Image signal processing device

FIELD: information technology.

SUBSTANCE: invention relates to an image signal processing device, which enables to reproduce the appearance of an image on a plasma display panel (PDP), using other display devices such as a cathode-ray tube or liquid-crystal display (LCD), while processing signals. In an image processing module, such processing for an image signal for which an image received when the image signal is displayed in a display device of another type besides a PDP, may seem like an image displayed on a PDP. At least one reproduction colour shift is performed, which is associated with a moving image which forms as a result of that, RGB glow is included in the said order of reproduction, smoothing structure used in the direction of space, reproduction of the smoothing structure used in the direction of reproduction time, the interval between pixels, and reproduction of an array of strips. The invention can be used when, for example, an image which must look like an image displayed on a PDP, is displayed on an LCD.

EFFECT: possibility of obtaining a type of image on a plasma panel display reproduced on another display different from the plasma panel display such as a liquid-crystal display, while processing signals.

6 cl, 20 dwg

 

The technical field to which the invention relates.

The present invention relates to a device for processing the image signal, and, more particularly, to a device processing the image signal, which allows to reproduce the appearance of the image on the plasma display (PDP (TTD, plasma display panel)using other devices displays, such as CRT (CRT, cathode ray tube) or LCD (LCD, liquid crystal display), performing signal processing.

The level of technology

In TTD, for example, a structure is used for the strip edges or the like (see, for example, non-Patent document 1). Each pixel is formed in such a way that the areas that emit light of R (red), G (green) and B (blue) colors are arranged in an array of stripes.

Non-patent document 1: Masayuki KAWAMURA, "Yokuwakaru Purazuma Terebi (Understanding Plasma TV ("Understanding plasma TV")", Dempa Publications, Inc.

The invention

Technical task

In particular, when performing an assessment as to display an image in DPP, if you use this monitor as a CRT or LCD as a monitor, assess, because the DPP and the LCD, or the like, have different display characteristics, depending on the image displayed in the LCD, it is difficult at present to assess the type or quality of the image that displays what I (should be displayed) in the RPE.

Thus, the quality of the image displayed in the LCD, does not always match the quality of the estimated image, which is displayed in RPE during actual viewing in Beijing.

The present invention was developed in view of such situations and must provide the possibility of obtaining images in DPP, reproduced in another display, in addition to the RPE, such as, for example, LCD, performing signal processing.

Technical solution

The aspect of the present invention is directed to a signal processing unit of the image intended for processing the image signal so that an image obtained when the image signal display in a display device of another type of display than TTD (plasma display panel), may look like the image displayed in the display device of the DPP, and the signal processing unit of the image includes at least one means of adding color shift, designed for playback of color shift associated with the moving image, the color shift is generated due to the inclusion of glow colors RGB (red, green, and blue in that order, means adding spatial smoothing that is designed to reproduce the structure of the smoothing applied in the direction of the space, the money is adding the temporal smoothing, designed to reproduce the patterns of smoothing in the time direction, means playback pitch, designed for playback of the gap between pixels, and playing tools of the array of strips, designed for playback of the array of strips.

In the signal processing unit of the image in the aspect above, perform at least one of the shifts of the reproduced color associated with the moving image, which is formed due to the inclusion of glow RGB colors included in the mentioned order, reproducing patterns of smoothing applied in the direction of space, reproducing patterns of smoothing applied in the time direction, playback gaps between pixels, and play an array of stripes.

Preferred effects

In accordance with an aspect of the present invention, it is possible to reproduce the image as it appears in the RPE.

Brief description of drawings

Figure 1 shows a block diagram illustrating an exemplary structure of a variant embodiment of the device processing the image signal, which is applied the present invention.

Figure 2 shows a diagram explaining the processing of the playback of the array of strips.

Figure 3 shows a block diagram illustrating remerol structure module 1 image processing for executing playback processing of the array of strips.

Figure 4 shows the block diagram of the sequence of operations illustrating playback processing of the array of strips.

Figure 5 shows a diagram illustrating the shift of colors formed in the image intended for display in Beijing.

Figure 6 shows a diagram illustrating a coefficient used to multiply his image signal during processing of adding color shift.

7 shows a block diagram illustrating an exemplary structure of module 1 of the image processing designed for performing processing of adding color shift.

On Fig shows the block diagram of the sequence of operations explaining the processing of adding color shift.

Figure 9 shows a diagram explaining the processing of the playback step between pixels.

Figure 10 shows a diagram illustrating an exemplary structure of module 1 image processing, designed to handle the playback step between pixels.

Figure 11 shows the block diagram of the sequence of operations illustrating playback processing step between pixels.

On Fig shows a diagram explaining the processing of adding spatial smoothing.

On Fig shows a block diagram illustrating an exemplary structure of module 1 image processing, intended for the treatment of add spatial SGL the worries.

On Fig shows a diagram illustrating a reference table contained in the ROM 43 patterns of spatial smoothing.

On Fig shows the block diagram of the sequence of operations explaining the processing of adding spatial smoothing.

On Fig shows a block diagram illustrating an exemplary structure of module 1 of the image processing to process the add temporal anti-aliasing.

On Fig shows the block diagram of the sequence of operations explaining the processing of adding temporal anti-aliasing.

On Fig shows a block diagram illustrating an exemplary structure of module 1 image processing, designed to perform all processing, such as processing of adding color shift, the processing of adding spatial smoothing processing add temporary smoothing processing of the playback pitch and playback processing of the array of strips.

On Fig shows the block diagram of the sequence of operations explaining the processing module 1 image processing.

On Fig shows a block diagram illustrating an exemplary structure of a variant embodiment of the computer which is applied the present invention.

The explanation of the non-reference position

1 module image processing, 2nd monitor, 11 scheme increase/forming strips 12 with the EMA resize/reflow, 21 storage device current frame 22 of the storage device of the previous frame, 23 scheme cutting part of the cutting edge 24 scheme of motion detection, 25 scheme multiplication factor color, 31 processing circuit increase, 32 the scheme of reduction of brightness between pixels, 41 selection scheme smooth plot, 42 comparison circuit color, 43 ROM patterns of spatial smoothing, 44 scheme add smoothing, 51 comparison circuit color, 52 ROM patterns temporal smoothing, 53 scheme add smoothing, 54-56 output storage device 60 module image processing, 61 storage device of the current frame, 62 storage device of the previous frame, 63 schema cutting part of the cutting edge 64 scheme of motion detection, 65 scheme multiplication factor color, 70 module image processing, 71 comparison circuit color, 72 ROM patterns temporal /spatial smoothing, 73 scheme add smoothing, 74 - 76 output storage device 80 module image processing, 81 processing circuit increases, 82 diagram of the formation of the strips 83 scheme decrease the brightness between the pixels 101 bus, CPU 102, ROM 103, RAM 104, 105 hard disk 106, the output module 107, an input module, 108 data transmission module, 109 the actuator 110 interface I/o, 111 removable recording media

Detailed description of the invention

Variation vopl the assumptions of the present invention are explained below with reference to the drawings.

Figure 1 illustrates an exemplary structure of a variant embodiment of the device processing the image signal to which is applied the present invention.

In figure 1 the device processing the image signal consists of module 1 image processing and monitor 2. The image signal supplied in module 1, the image processing process such that t is an image obtained when the image signal display on the monitor 2, is used as the display device of another type than TTD, may look like the image displayed in the display device of the DPP, and its display monitor 2.

Thus, the module 1 image processing exposes the image signal, supplied to him at least one of the processing add color shifts for handling the play of color shifts resulting from the moving image, which is formed due to the inclusion of glow colors RGB (red, green, and blue) in the mentioned order, the processing of adding spatial smoothing, intended to reproduce the structure of the smoothing applied in the direction of the space, processing of adding a temporal smoothing, intended to reproduce the patterns of smoothing in the time direction, the playback processing of the step between the pixel and, designed for playback of the gap between pixels, and processing the playback of the array of strips, designed for playback of the array of strips, and transmits the resulting image signal to the monitor 2.

Monitor 2 is a display device of another type of display than TTD, that is, for example, a display device (LCD or CRT, and displays the image in accordance with the image signal transmitted from the module 1 image processing. The monitor 2 displays the image in accordance with the image signal from the module 1, the image processing so that the image could be displayed in a display device of the DPP, the display on the monitor 2.

As described above, in the module 1 image processing, perform at least one of the processing add color shift, processing of adding spatial smoothing processing add temporary smoothing processing of the playback pitch and playback processing of the array of strips.

First presents an explanation of the playback processing of the array of strips of processing add color shift, processing of adding spatial smoothing processing add temporary smoothing processing of the playback step between pixels or process of rehabilitation is edenia array of strips, performed in module 1 image processing.

Figure 2 shows a diagram explaining the processing of the playback of the array of strips.

When the playback processing of the array of strips reproduce an array of stripes, which is unique to the RPE. In the output monitor two or more pixels are used to display one pixel of the DPP.

When the playback processing of the array of strips, each pixel value is decomposed into components of RGB values, which are placed longitudinally to display.

If the number of pixels is not a multiple of three pixels, for example, when the number of pixels equal to two, the same sound may be implemented by displaying blended colors.

In line with this, the appearance of the stripes that are unique to injection can also be implemented using a liquid crystal monitor or the like.

In addition, some target panels RGB components do not have equal width. Changing the width of the RGB components, respectively, allows to increase the reproducibility.

Figure 3 illustrates an exemplary module structure 1 image processing for executing playback processing of the array of strips.

Scheme 11 increase/formation of stripes increases the image signal supplied in module 1, the image processing N times, that is here, for example, three times, and divides the image signal on the array of strips. Scheme 11 increase/forming strips outputs the image signal generated in the form of strips.

Scheme 12 resize/reflow performs the rearrangement of the image signal output from the circuit 11 increase/formation of stripes in accordance with the output image size (image size that displays on the monitor 2), and outputs the resulting image signal.

It should be noted that the image signal output from the circuit 12 resize/reflow, served in the monitor 2 and the display.

Figure 4 shows the block diagram of the sequence of operations illustrating playback processing of the array of strips running in module 1 of the image processing in Fig 3.

At step S11 scheme 11 increase/formation of strips increases the size of one pixel of the image signal three times and modifies the pixel so that the RGB components were located longitudinally. Scheme 11 increase/forming strips transmits the resulting image signal in scheme 12 resize/reflow. Then, the processing goes to step S12.

At step S12 scheme 12 resize/reflow handles the resizing of the image signal obtained from figure 11, in which helicene/forming strips, in accordance with the size of the output image and performs the rearrangement. The processing goes to step S13. At step S13 scheme 12 resize/reflow outputs the image signal obtained by the processing at step S12, the monitor 2.

The following is an explanation of the processing of adding color shift (playback processing of color shift associated with the moving image) of the processing of adding color shift, processing of adding spatial smoothing processing add temporary smoothing processing of the playback pitch or playback processing of the array of strips running in module 1 image processing.

Figure 5 shows a diagram illustrating a color shift that occurs in the image intended for display in Beijing.

TTD have a characteristic, which is that, depending on differences in the duration of the glow RGB components, which, in particular, notably for white object moving horizontally, if one monitors this object through the eyes, there is a semblance of color shift.

In the processing of adding color shift this characteristic plays in the monitor 2 such as a liquid crystal panel. Reproduction is performed by using the following procedure.

1. Detection of object boundaries/p>

In the image, detects the boundary of the object using the detection of edges or the like. In particular, as the target object, choose the object of the white color or the like.

2. Highlighting the magnitude of the movement

Determine the amount of movement of the object specified in the procedure in accordance with paragraph 1 above in respect of the subsequent frame. Use this technology as a way of mapping blocks.

3. Adding color shift

Optimal color shift is added in accordance with the characteristics of light emission of RGB in TTD, in which you want to play, and the magnitude of the movement of the object.

The amount of added color shift is determined depending on characteristics of the light emission of the DPP, which must be consistent with the magnitude of the movement.

For example, in the case when the characteristic in which glow blue (B) off earlier than glow a green color (G) for a duration of 1/3 fr (fr represents the period of the frame), the pixel value near the edge component has a blue color that is set as 2/3.

Similarly, the neighboring pixel value may be generated by reducing subtracting the blue component, resulting in color shift, having a width corresponding to the magnitude of the movement.

Figure 6 presents the factors, intended for multiplying the original values of the pixels in the DPP, having the characteristic, which is that glow blue off earlier than glow green for a duration equal to 1/3 fr, in order to add color shift associated with the case where the quantity of motion of an object appearing in an image, comprises three pixels.

7 illustrates an exemplary module structure 1 image processing, designed for performing processing of adding color shift.

In the storage device 21 of the current frame save the image signal transmitted to the module 1 image processing, and transmit the image signal as the image signal of the current frame in the memory device 22 of the previous frame, the circuit 23 of the cutting part of the cutting edge and in scheme 24 motion detection.

In the storage device 22 of the previous frame retain the image signal of the current frame received from the storage device 21 of the current frame, and delay the image signal for a duration corresponding to one frame before applying the image signal in a scheme 24 motion detection. Therefore, when the image signal of the current frame is passed from the storage device 21 of the current frame in scheme 24 motion detection, the image signal of the previous frame, to the verge of one frame preceding the frame, transfer from the storage device 22 of the preceding frame in scheme 24 motion detection.

Scheme 23 cutting part of the cutting edge detects the area of the edges of the image signal of the current frame from the storage device 21 of the current frame and transmits the position of the edges of this slot edges in scheme 24 motion detection, and in scheme 25 multiplication factor of the color. In addition, the circuit 23 of the cutting part of the cutting edge also transmits the image signal for the current frame from the storage device 21 of the current frame in scheme 25 multiplication factor of the color.

Scheme 24) motion detection calculates the amount of movement between frames at the specified position obtained from the circuit 23 of the cutting part of the cutting edge, and outputs the amount of movement in scheme 25 multiplication factor of the color.

Thus, scheme 24) motion detection detects the amount of movement of the plot edges in the edge position obtained from the circuit 23 of the cutting part of the cutting edge, using the image signal of the current frame from the storage device 21 of the current frame and the image signal from the storage device 22 of the preceding frame, and transmits the amount of movement in scheme 25 multiplication factor of the color.

Scheme 25 multiplication factor color generates, in coordination with certain characteristics of light emission (TTD), coeff is consistent with a person for adding color shift in accordance with the magnitude of the movement in the specified position, and multiplies the image by a factor, which is then output.

Thus, the circuit 25 multiplication factor color made with the possibility of passing a parameter characteristic of the light emission, representing the characteristics of light emission (display characteristics) TTD.

Scheme 25 multiplication factor color determines the coefficient to obtain the color shift in accordance with the characteristics of light emission, represented by the parameter characteristics of the light emission, the position of the edge position (pixel position)obtained from the circuit 23 of the cutting part of the cutting edge and the amount of movement of the plot edges obtained from the circuit 24 motion detection. Scheme 25 multiplication factor color displays a color image signal obtained by multiplying (pixel value) of the image signal from the circuit 23 of the cutting part of the cutting edge factor. Then the image signal output from the circuit 25 multiplication factor color is passed to the monitor 2 and the display.

On Fig shows the block diagram of the sequence of operations explaining the processing of adding color shifts performed in module 1 of the image processing in Fig.7.

At step S21, the circuit 23 of the cutting part of the cutting edge detects the part of the cutting edge that produces a color shift of the image signal of the current frame obtained from remember what its device 21 of the current frame, and transmits the position of the edges of this slot edges in scheme 24 motion detection, and in scheme 25 multiplication factor of the color. In addition, the circuit 23 of the cutting part of the cutting edge passes the image signal of the current frame in scheme 25 multiplication factor of the color. Then processing moves to step S22.

At step S22 scheme 24) motion detection detects the amount of movement of the plot edges in the edge position obtained from the circuit 23 of the cutting part of the cutting edge, using the image signal for the current frame from the storage device 21 of the current frame and the image signal storage device 22 of the preceding frame, and transmits the amount of movement in scheme 25 multiplication factor of the color. Then processing moves to step S23.

At step S23 scheme 25 multiplication factor color determines the coefficient to obtain the color shift in accordance with the characteristics of light emission, represented by the parameter characteristics of the light emission, the amount of movement of the plot edges obtained from the circuit 24 to detect the movement and position of the plot edges in the edge position obtained from the circuit 23 of the cutting part of the cutting edge. Then the scheme 25 multiplication of the color ratio multiplies the color (pixel value) of each pixel of the image signal of the current frame received from the circuit 23 crop plot edges, n is the coefficient and outputs a color image signal obtained by multiplication in the monitor 2.

Next, explanation will be given of processing of the playback pitch (playback processing step between pixels during playback of the same size) from the processing of adding color shift, processing of adding spatial smoothing processing add temporary smoothing processing of the playback pitch or playback processing of the array of strips running in module 1 image processing.

When playback of the size of the target TTD is also required to implement equivalent size can be obtained using the function e-zoom, such as DRC (FCR, the development of digital reality). In addition, a more precise match to the type of image can be achieved when playing the gap between pixels.

Here FCR described, for example, in the Publication No. 2005-236634 on the examination for Japanese patent Publication No. 2002-223167 on the examination for Japanese patent, or the like adaptive processing classification class.

It is assumed that, for example, the size of the PPD that you want to match, is twofold. In this case, you ispolzovatsya electronic zoom image to obtain an image with the same size. Improved reproducibility is realized by adding the visual effect of gaps between pixels, which is specific to the DPP with a large screen.

In the case of a two-fold increase can be added to this effect, as shown in Fig.9.

Figure 10 illustrates an exemplary module structure 1 image processing, designed for performing playback processing of the step between pixels.

Scheme 31 treatment zoom enlarges the image signal transmitted to the module 1, the image processing to the output image size. Thus, the circuit 31 processing increase performs the processing of increasing the area of the image in accordance with which it is passed by the magnification factor. Enlarged image obtained as a result of this processing, output in scheme 32 decrease brightness between pixels.

Scheme 32 decrease brightness between pixels performs processing of reducing the brightness values in the position in which there is a gap between the pixels in accordance with the magnification ratio, it is passed. Thus, the circuit 32 decrease brightness between pixels processes the image signal from the circuit 31 processing increased to decrease the brightness of the site where there is a gap between pixels. The image signal obtained as a result is ltate of such treatment, output to the monitor 2.

Figure 11 shows the block diagram of the sequence of operations illustrating playback processing step between pixels that are performed in module 1 of the image processing according to figure 10.

At S31 scheme 31 data zoom enlarges the image up to the size of the output image, and transmits the resulting image in scheme 32 decrease brightness between pixels. Then, the processing goes to step S32. At step S32 scheme 32 decrease brightness between pixels performs processing of reducing the brightness at a particular site between the alleged pixels for the image obtained from the circuit 31 of the data increase. Then, the processing proceeds from step S32 to step S33, at which the circuit 32 decrease brightness between pixels displays the image received at step S32, the monitor 2.

The following is an explanation of the processing of adding spatial smoothing (processing to reproduce the patterns of spatial smoothing) of the processing of adding color shift, processing of adding spatial smoothing processing add temporary smoothing processing of the playback pitch or playback processing of the array of strips running in module 1 image processing.

In many panels TTD smoothing is used to generate the, to ensure levels of gradation colors come in the form of a mosaic structure for receiving pseudovelocity levels of gradation).

The reproduction of such patterns smoothing provides a more exact match of the image.

Target panel TTD has a color in which the smoothing noticeable. On the site with a small amount of color change on the screen color that matches this color with visible smoothing, may be reproduced, as shown in Fig, with the execution of the processing of adding anti-aliasing.

On Fig illustrates an exemplary module structure 1 image processing to perform the processing of adding spatial smoothing.

Scheme 41 allocation smooth plot highlights the smooth part (smooth area) of the image signal transmitted to the module 1 image processing, and transmits this smooth plot in scheme 42 colour comparison along with the image signal.

Scheme 42 colour comparison determines whether a color smooth plot obtained from the circuit 41 allocation smooth plot, the color in which a noticeable aliasing.

Thus, the circuit 42 colour comparison compares the color of the smooth area, dedicated circuit 41 allocation smooth plot with colors (RGB values), registered in the reference table is CE, stored in the ROM patterns of spatial smoothing. When the color of the smooth section is a different color than the color associated with the structure of spatial smoothing, among the flowers, registered in the reference table, which will be described below, will be registered structure smoothing "lack of structure", the circuit 42 comparison of the color determines what color smooth area represents a color in which dithering is noticeable. Then, the circuit 42 comparison of color passes together with the result of the determination, the image signal from the circuit 41 allocation smooth plot in scheme 44 add anti-aliasing.

Reference table store in the ROM 43 patterns of spatial smoothing.

Here at Fig illustrates the reference table stored in the ROM 43 patterns of spatial smoothing.

In the reference table, the RGB value of each color is associated with the structure of spatial smoothing used as the structure of spatial smoothing, which can be clearly visible when the color represented in the RGB value display in Beijing.

It should be noted that in the reference table for the RGB values for the color in which dithering is not visible, the structure of the "lack of structure" (indicates that smoothing is not noticeable) registered to the to the structure of spatial smoothing.

In addition, the circuit 42 comparison of color (Fig), determines that the color represented by the RGB value associated with the structure of spatial smoothing "lack of structure"is not a color in which dithering is noticeable, and determines that the other colors represent the colors in which the smoothing noticeable.

Consider again Fig, the ROM 43 patterns of spatial smoothing passes the structure of spatial smoothing, an associate in the reference table stored therein, with an RGB value representing the color of smooth area, which was established as a goal to define in scheme 42 comparison of the color, which was obtained from the circuit 41 allocation smooth plot, scheme 44 add anti-aliasing.

Scheme 44 add smoothing adds spatial smoothing, represented by the structure of spatial smoothing that is specified from the ROM 43 patterns of spatial smoothing, the image signal from the circuit 42 colour comparison.

Thus, when the result of determination indicating that the color of the smooth area represents a color in which dithering is noticeable, is passed from the circuit 42 comparison color scheme 44 add smoothing adds smoothing represented by the structure of spatial smoothing transferred from the ROM 43 structure is prostranstvennogo smoothing in the image signal smooth part of the image signal obtained from the circuit 42 comparison of color, and displays the result on the monitor 2.

On Fig shows the block diagram of the sequence of operations explaining the processing of adding spatial smoothing performed by the module 1 image processing on Fig.

At step S41 scheme 41 allocation smooth section allocates a smooth plot, which represents the portion with a small amount of color change in direction from the image signal and transmits this smooth plot in scheme 42 colour comparison along with the image signal. Then, the processing goes to step S42.

At step S42 scheme 42 comparison of color refers to the reference table stored in the ROM 43 patterns of spatial smoothing, and determines whether a color smooth plot obtained from the circuit 41 allocation smooth plot, the color on which visibly smoothing in TTD.

When at step S42 determines that the color of the smooth area of the circuit 41 allocation smooth plot is a color, which visibly smoothing in TTD, scheme 42 colour comparison transmits the result of determination indicating that definition, and the image signal from the circuit 41 allocation smooth plot in scheme 44 add anti-aliasing. In addition, the ROM 43 of the simple structure is Antonovo smoothing passes in the structure of spatial smoothing, associate in the reference table with the RGB value of the color smooth area defined by the circuit 42 comparison of colors in scheme 44 add anti-aliasing. Then processing moves to step S43.

At step S43 scheme 44 add smoothing adds the specified structure, i.e. the structure of spatial smoothing, represented by the structure of spatial smoothing, the ROM 43 patterns of spatial smoothing, smooth area of the image signal from the circuit 42 colour comparison. Then, the processing goes to step S44. At step S44 scheme 44 add smoothing outputs the image signal with added anti-aliasing, the monitor 2.

In contrast, in the case where at step S42 determines that the color of the smooth area of the circuit 41 allocation smooth plot is not a color, which visibly smoothing in TTD, scheme 42 comparison of color passes the result of the determination, which includes the definition, and the image signal from the circuit 41 allocation smooth plot, scheme 44 add anti-aliasing. Then, the processing goes to step S45.

At step S45 scheme 44 add smoothing outputs the image signal from the circuit 42 comparison of color directly on the monitor 2, without adding smoothing to the image signal.

Next, explanation will be given of the processing of adding the times of the CSOs smoothing (handle playback of smoothing in the time direction) of the processing of adding color shifts processing add spatial smoothing processing add temporary smoothing processing of the playback pitch or playback processing of the array of strips running in module 1 image processing.

In panels TTD smoothing is also used in the time direction in order to provide a gradation of color. Also, in this case, improved reproducibility, by performing similar processing.

One frame of the input image is divided into many parts, which can be withdrawn at a speed equal to the speed of response of the monitor is used in accordance with the display color. The division method is to output patterns smoothing obtained by performing the integration in the time direction TTD, which is part of the division are adjacent to each other.

On Fig illustrates an exemplary module structure 1 image processing, designed to perform processing of adding temporal anti-aliasing.

Scheme 51 colour comparison compares the color of each pixel of the image signal of one frame is transferred to the module 1 processing image colors (RGB values representing color), registered in the reference table stored in the ROM 52 of the structure of temporal smoothing, so that, thus, will determine what, does the color of a pixel of the color image signal in which noticeable aliasing.

Then, when the color image signal corresponds to one of the colors registered in the reference table, scheme 51 colour comparison determines that this color is a color in which dithering is noticeable. Then, the circuit 51 colour comparison transmits, together with the definitions, meaning this definition, the image signal of the frame in scheme 44 add anti-aliasing.

The ROM 52 patterns of temporary smoothing stores a reference table. In the reference table stored in the ROM 52 of the structure of temporal smoothing, color (RGB value representing the color), which noticeably smoothing, when displayed in TTD, and the structure of temporal smoothing, which is a structure of the pixel values for each podagra, when the color display in many podkatov registered in Association with each other.

Here the term podcat equivalent to the subfields, which is used for display in Beijing.

In addition, it is assumed here that many podkatov described above are, for example, three podagra and that the monitor 2 has features that allow you to display at least three podagra during the period of one frame.

The ROM 52 of the temporal patterns is the first smoothing passes a structure of a temporary smoothing associate in the reference table stored therein, with the color that was defined in the schema 51 compare color as the color that shows smoothing, that is, information representing a set of pixel values of the three podkatov in scheme 53 add anti-aliasing.

Scheme 53 add smoothing shares (shares over time) for the color for which it was determined that the smoothing significantly, which was obtained from the circuit 51 comparison of the color, the image signal of one frame from the circuit 51 colour comparison, three podagra pixel values represented by the structure of the temporal smoothing transferred from the ROM 52 patterns temporal smoothing, adding, therefore, the structure of the temporal smoothing to the image signal of the frame from the circuit 51 colour comparison.

Thus, adding patterns temporal smoothing to the image signal of one frame means that the image signal of one frame is divided on the basis of pixel-to-pixel on many podkatov (in this case, three podagra) of pixel values represented by the structure of temporal smoothing.

One image signal among the image signals of the three podkatov obtained by adding patterns temporal smoothing using the schema 53 add anti-aliasing passed to the output storage device 54 another image signal is passed to the output storage device 55, and one other image signal is passed to the output storage device 56.

Each of the output storage devices 54-56 contains the image signal podagra transferred from the circuit 53 add smoothing, and this image signal is passed to the monitor 2 in the time display podagra.

It should be noted that in the monitor 2 podckaji display during the periods in which three podagra can be displayed in one frame, such as the period of 1/3 period of the frame.

Here at pig three output storage device 54-56 provided as a storage device for storing image signals of podkatov. Require the same number of storage devices for storing image signals of podkatov, as the number of podkatov, which can be obtained by adding patterns temporal smoothing using the scheme 53 add anti-aliasing.

For example, in the case when the number of podkatov, which can be obtained by adding patterns temporal smoothing, using the scheme 53 add smoothing, as the maximum number of podkatov, which can be displayed within one frame in the monitor 2 (responsiveness monitor 2), the number of storage devices is equal to this quantity required as saponin the operating device for storing image signals of podkatov.

On Fig shows the block diagram of the sequence of operations explaining the processing of adding the temporary smoothing performed by the module 1 image processing on Fig.

Scheme 51 comparison of the color refers to the reference table stored in the ROM 52 of the structure of temporal smoothing, to determine whether a color of each pixel of the image signal of one frame is passed to module 1 of the image processing, the color in which a visibly smoothing, and transmits, together with the result of determination obtained for that pixel, the image signal of the frame in scheme 53 add anti-aliasing.

In contrast, the ROM 52 patterns of temporary smoothing passes for each pixel circuit 53 add smoothing in the structure of temporal smoothing, an associate in the reference table with the color for which the scheme 51 comparison of color has determined that the smoothing noticeable.

At step S51 scheme 53 add smoothing adds to the color in which it was determined that the smoothing significantly, which was obtained from the circuit 51 comparison of the color, the structure of the temporal smoothing in the image signal of one frame from the circuit 51 colour comparison. Then, the processing goes to step S52.

Thus, the circuit 53 add smoothing divides the image signal of one frame from the circuit 51 comparison color is on the image signal of the three podkatov by dividing the pixel value for each pixel of the image signal of the frame at three values of the pixel which is represented by a structure of a temporary smoothing transferred from the ROM 52 patterns temporal smoothing, and these three sets of pixel values as the pixel values for the individual pixels, corresponding to three podkatom. Then plan 53 add smoothing transmits one image signal from the image signals of the three podkatov in output storage device 54, another image signal into an output storage device 55, and another image signal into an output storage device 56 to save. It should be noted that for the pixel color in which dithering is not noticeable, for example, 1/3 of its pixel value may be set as the pixel value podagra.

At step S52 output storage device 54-56 output image signals of podkatov that you saved in step S51 in the monitor 2, the time display podkatov.

Next, Fig illustrates an exemplary module structure 1 image processing, designed for performing all processing add color shift, processing of adding spatial smoothing processing add temporary smoothing processing of the playback pitch and playback processing of the array of strips.

On Fig module 1 processing of the image composed of modules 60, 70 and 80 processing is zobrazenie.

Module 60 of the image processing is composed of a storage device 61 of the current frame, a storage device 62 of the previous frame, schema, 63 cutting part of the cutting edge circuit 64 motion detection and circuit 65 multiplication factor of the color.

The storage device 61 of the current frame diagram 65 multiplication factor color is similar to the storage device 21 of the current frame diagram 25 multiplication factor color in Fig.7, respectively. Therefore, the module 60 of the image processing exposes the image signal supplied in module 1 of the image processing, the processing of adding color shift, similar to the case shown in Fig.7, and transmits the resulting image signal to the module 70 of the image processing.

Module 70 of the image processing consists of circuit 71 colour comparison, the ROM 72 patterns temporal/spatial smoothing circuit 73 add anti-aliasing and output storage devices 74-76.

Scheme 71 comparison of color performs processing similar to that performed each of the circuits 42 comparison color Fig and circuit 51 comparison color Fig for the image signal transmitted from the module 60 of the image processing.

The ROM 72 patterns temporal/spatial smoothing contains reference table, similar to each of the reference that the Litsa river, stored in the ROM 43 patterns of spatial smoothing on Fig and reference table stored in the ROM 52 of the structure of temporal smoothing on Fig. On the basis of these reference tables ROM 72 patterns temporal/spatial smoothing performs processing similar to the processing performed by each of the ROM 43 patterns of spatial smoothing on Fig and ROM 52 patterns temporal smoothing on Fig.

Similarly, the circuit 44 add smoothing on Fig, scheme 73 adding smoothing adds spatial smoothing, represented by the structure of spatial smoothing in the image signal, and optionally adds the structure of temporal smoothing to the image signal. In accordance with this scheme 73 adding smoothing divides the image signal into three podagra that are individually passed into the output storage devices 74-76.

As well as the output of the storage device 54-56 on Fig, output, storage devices 74-76 contain the image signals of podkatov from the circuit 73 add anti-aliasing. The image signals of podkatov stored in the output storage devices 74-76, passed into the module 80 image processing.

In module 70, the image processing is composed as described above, performs the processing of adding spatial what about the smoothing, similar to the case shown in Fig, and processing of adding temporal smoothing, similar to the case shown in Fig, for the image signal that is output from the module 60 of the image processing.

The module 80 image processing consists of circuit 81 processing increase, circuit 82 forming strips and circuit 83 decrease the brightness between pixels.

Scheme 81 processing increase performs processing similar scheme 31 processing increase in figure 10 for the image signal received from the module 70 of the image processing, and transmits the resulting image signal to the circuit 82 forming strips.

Scheme 82 forming strips performs for the image signal from the circuit 81 processing rate processing decomposition of the array of strips during processing circuit 11 increase/formation of stripes in figure 3, and transmits the resulting image signal in a scheme 83 decrease the brightness between pixels.

Therefore, the processing similar to that performed by the circuit 11 increase/formation of stripes in figure 3, perform, using the scheme 81 processing of increasing or circuit 82 forming strips.

Scheme 83 decrease the brightness between pixels performs processing similar to that performed by the circuit 32 decrease brightness between pixels in figure 10, for signal izobrazheniya circuit 82 forming strips, and outputs the image signal obtained as a result of this processing, the monitor 2.

Therefore, in the module 80 image processing processes play an array of stripes, similar to that performed in the case in figure 10, and the processing of the playback pitch, similar to those shown in case Fig.

It should be noted that in the module 80 processing image processing play an array of stripes and playback processing step between pixels perform for each of the image signals of the three podkatov transmitted from the module 70 of the image processing.

On Fig shows the block diagram of the sequence of operations illustrating processing performed by module 1 image processing on Fig.

At step S61 processes, including the direction of time. Thus, at step S61, the processing of adding color shift is performed in the module 60 of the image processing, and processing of adding spatial smoothing, and processing of adding temporal smoothing is performed in the module 70 of the image processing.

Then, the processing proceeds from step S61 to step S62, where processes with increasing size. Thus, at step S62, the processing of the playback pitch and playback processing of the array of strips is performed in module 80 processing is zobrazenie.

As noted above, module 1 image processing performs at least one of the processing add color shift, processing of adding spatial smoothing processing add temporary smoothing processing of the playback pitch and playback processing of the array of strips. Thus, the appearance of the image in DPP can be reproduced using a different display, in addition to the RPE, such as, for example, the LCD, the result of performing the signal processing.

In addition, the reproduction is performed by signal processing, in which you can assess the image quality or the like of the plasma display simultaneously on the same screen, the same monitor.

Next, the processing sequence described above can be performed using dedicated hardware or may be performed using software tools. When the processing sequence is performed using software, a program constituting the software are installed in a General computer or the like.

Thus, Fig illustrates an exemplary structure of a variant embodiment of the computer where you installed the program that performs the above is the selected processing.

The program can be previously recorded on the hard disk 105 or a ROM 103, which is used as a recording medium built in the computer.

Alternatively, the program may be temporarily or permanently stored (recorded) on a removable media 111 record, such as a flexible disk, CD-ROM (permanent memory on the CD-ROM, MO disk (magneto-optical disk), DVD (digital versatile disc), magnetic disk or semiconductor storage device. Removable media 111 records of this type can be provided as so-called packaged software.

It should be noted that the program may be installed from the removable media 111 records, as described above, transferred to the computer from the satellite boot broadcast or can be transferred to the computer by cable via a network such as a LAN (LAN, local area network) or the Internet. In the computer program, so assigned, may be accepted by the module 108 and data installed on the hard disk 105, embedded in it.

The computer includes a CPU (CPU, Central processing unit) 102. The CPU 102 is connected to the interface 110 input/output via the bus 101. When the user enters the instruction, performing an operation or the like, from a module 107 input, compiled the C keyboard mouse, microphone, etc. through the interface I/o, the CPU 102 executes the program stored in the ROM, the ROM) 103 in accordance with the instruction. Alternatively, the CPU 102 loads into RAM, random access memory) 104 the program stored on the hard disk 105, a program that was transferred from the satellite or via a network, adopted by the module 108 and data installed on the hard disk 105, or the program that was read from the removable media 111 entries installed in the drive 109 and which was installed on the hard disk 105, and executes this program. Accordingly, the CPU 102 performs processing in accordance with the flowchart of the sequence of operations described above, or processing, carried out using the above-described structure block diagrams. Then, the CPU 102 provides the output of this process result in accordance with the necessity, for example, from the module 106 output, which consists of a LCD (liquid crystal display), a speaker, etc. via the interface 110, I/o, through the transmission module 108 or data in the record or the like to the hard disk 105.

Here, in this specification, the processing steps describing the program for performing various computer processing need not be performed temporarily in the sequence, in accordance with the procedure described in the form of block diagrams the sequence of operations, and include processing executed in parallel or individually (e.g. parallel processing or object-oriented processing).

In addition, the program may be processed by one computer or may be processed in a distributed form, using multiple computers. In addition, the program may be transferred to a remote computer and executed there.

It should be noted that the variations of the embodiment of the present invention is not limited to the above-described variant embodiments, and various modifications can be made without going beyond the scope of the present invention.

1. The signal processing unit of the image intended for processing the image signal so that an image obtained when the image signal display in a display device of another type of display than TTD (plasma display panel), may look like the image displayed in the display device of the DPP, characterized in that it contains at least one of the following means, connected in series:
add color shift, designed for playback of color shift associated with the moving image, the color shift is generated due to the inclusion of candles is of RGB colors (red, green and blue in that order;
add spatial smoothing of the image, designed to reproduce the structure of the smoothing applied in the direction of space;
add temporary smoothing designed play structures smoothing in the time direction;
playback tool step between pixels, designed for playback of the gap between the pixels; and
the player of the array of strips, designed for playback of the array of strips consisting of RGB components, which are placed longitudinally.

2. The device processing the image signal according to claim 1, characterized in that the means of adding color shift includes: means for detecting part of the cutting edge, designed to detect part of the cutting edge of the image signal, the means of motion detection that is designed to detect the magnitude of the movement of the plot edges, and means multiplication coefficient colors designed for color output obtained by multiplying the color of each pixel of the image signal by a coefficient to obtain a color shift in accordance with the magnitude of the movement of the plot edges.

3. The device processing the image signal according to claim 1, characterized in that the means of adding p is strastnogo image smoothing includes: allocator smooth plot, designed to highlight the smooth part of the image signal, means for determining whether or not smooth color plot color, which visibly smoothing, and means for adding patterns of spatial smoothing of the image to the image signal when the color of the smooth area represents the color in which a noticeable aliasing.

4. The device processing the image signal according to claim 1, characterized in that the means of adding temporal smoothing comprises: means for determining is a color pixel of the color image signal in which noticeably smoothing, and add patterns temporal smoothing to the image signal by dividing the time of the image signal to multiple image signals in accordance with color, which visibly smoothing.

5. The device processing the image signal according to claim 1, characterized in that the means of reproducing step between pixels includes: a tool for increasing image signal, designed to increase the image signal to the output image size, and a means of reducing the brightness between pixels, designed to reduce the brightness of the area where there is a gap between pixels.

6. The device processing the image signal according to claim 1, featuring the be fact, that means playback of the array of strips includes: means forming strips designed for N-fold increase of the image signal, dividing the enlarged image signal to an array of stripes and output the image signal formed with stripes and resize/reflow designed to rebuild the image signal from the formed strips in accordance with the output image size and output the resulting image signal.



 

Same patents:

FIELD: information technologies.

SUBSTANCE: it is suggested to do coding and decoding uniformly for multiple colouration formats. Based on control signal providing for type of colouration format of inlet signal from dynamic image, if colouration format is 4:2:0 or 4:2:2, the first unit of prediction mode detection with intra-coding and the first unit of predication image coding with intra-coding are applied to component of dynamic image inlet signal colouration component, and the second unit of prediction mode detection with intra-coding and the second unit of prediction image formation with intra-coding are applied to colouration component. If colouration format is 4:4:4, the first unit of prediction mode detection with intra-coding and the first unit of prediction image formation with intra-coding are applied to all colour components to do coding, and unit of coding with alternating length multiplexes control signal as data of coding, which should be applied to element of dynamic image sequence in bitstream.

EFFECT: improved mutual compatibility between coded video data of various colouration formats.

12 cl, 24 dwg

FIELD: information technology.

SUBSTANCE: invention relates to encoding and decoding digital images. A device is proposed for encoding/decoding a dynamic image, in which during compressed encoding through input of data signals of the dynamic image in 4:4:4 format, the first encoding process is used for encoding three signals of colour components of input signals of the dynamic image in general encoding mode and the second encoding process is used for encoding three signals of colour components input signals of the dynamic image in corresponding independent encoding modes. The encoding process is carried out by selecting any of the first and second encoding processes, and compressed data contain an identification signal for determining which process was selected.

EFFECT: more efficient encoding dynamic image signals, without distinction of the number of readings between colour components.

18 cl, 15 dwg

FIELD: information technologies.

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20 cl, 43 dwg

FIELD: information technologies.

SUBSTANCE: invention concerns systems of coding/decoding of the squeezed image with the use of orthogonal transformation and forecasting/neutralisation of a motion on the basis of resolving ability of builders of colour and colour space of an input picture signal. The device (10) codings of the information of the image the forecastings (23) block with interior coding is offered is intended for an adaptive dimensional change of the block at generating of the predicted image, on the basis of the signal of a format of chromaticity specifying, whether is resolving ability of builders of colour one of the format 4:2:0, a format 4:2:2 and a format 4:4:4, and a signal of the colour space specifying, whether the colour space one of YCbCr, RGB and XYZ is. The block (14) orthogonal transformations and the quantization block (15) are intended for change of a procedure of orthogonal transformation and quantization procedure according to a signal of a format of chromaticity and a signal of colour space. The block (16) of return coding codes a signal of a format of chromaticity and a signal of colour space for insert of the coded signals gained, thus, in the squeezed information of the image.

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125 cl, 12 dwg, 1 tbl

FIELD: information technologies.

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25 cl, 22 dwg

FIELD: physics.

SUBSTANCE: invention concerns image processing technology, particularly YCbCr-format colour image data coding/decoding to smaller data volume by finding correlation between Cb and Cr chroma signal components of colour image data. The invention claims colour image coding method involving stages of: chroma signal component conversion in each of two or more mutual prediction modes; cost calculation for conversion values in each of two or more mutual prediction modes with the help of cost function defined preliminarily; selection of one or more mutual prediction modes on the basis of calculation result and conversion value output for the selected mutual prediction mode; entropic coding of output conversion values, where preliminarily defined cost function is selected out of cost function defining distortion in dependence of transfer rate, function of absolute subtract value amount, function of absolute converted subtract, function of square subtract sum and function of average absolute subtract.

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88 cl, 23 dwg

FIELD: image processing systems, in particular, methods and systems for encoding and decoding images.

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9 cl, 21 dwg, 3 tbl

FIELD: method and device for video encoding and decoding which is scalable across color space.

SUBSTANCE: in the method, encoder may inform decoder about position of brightness data in bit stream, and decoder may transform colored image to halftone image when necessary. In accordance to the invention, brightness data are serially inserted from all macro-blocks contained in a section, into bit stream, chromaticity data are inserted serially from all macro-blocks contained in a section, into bit stream, after inserted brightness data and bit stream which contains inserted brightness data and chromaticity data is transmitted.

EFFECT: creation of method for video encoding and decoding which is scalable across color space.

4 cl, 12 dwg

FIELD: engineering of systems for analyzing digital images, and, in particular, systems for showing hidden objects on digital images.

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EFFECT: creation of the method for showing hidden objects in digital image without affecting it with special signals.

3 cl, 6 dwg

FIELD: radio communications; color television sets.

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1 cl, 5 dwg, 1 tbl

FIELD: physics.

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EFFECT: possibility of natural representation equivalent to CRT display design.

5 cl, 31 dwg

FIELD: physics.

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9 cl, 39 dwg

FIELD: information technologies.

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14 cl, 20 dwg

FIELD: matrix display devices.

SUBSTANCE: device consists of a set of display elements compiled into a matrix; every element contains display pixel connected to a switch. Every display element also contains addressable trigger with output connected to switch control input. Addressable trigger has row and column address input.

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20 cl, 4 dwg

FIELD: indication technique; advertisement information representation devices.

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8 cl, 9 dwg

FIELD: matrix indication devices.

SUBSTANCE: method presumes mounting an arbitrary number of sub-pixels in one pixel, estimation of properties of each sub-pixel, forming of control signal for each sub-pixel, calculation of difference between produced and required color signals in selected linear-independent basis and serial transfer to next sub-pixel with consideration of priorities.

EFFECT: higher efficiency, higher quality, lower costs.

4 cl, 4 dwg

FIELD: operations with images.

SUBSTANCE: video signal is outputted, number of scanning rows of which is doubled by integration of interpolated scanning row of input video signals of scanning rows into it, positioned above and below, accordingly adjacent to interpolated scanning row. Circuit has block for detecting direction having greatest correlation, centered in interpolation point, including vertical and slanting directions, on basis of input video signal, and block for calculation of average value of image signals in two points of selection on scanning points, positioned above and below, appropriate for detected direction. Block for detecting direction estimates, that correlation in direction with slant is greatest, and block for calculation of average value calculates average value of signals of image in two slanting points, allowing in such a way to correctly process interpolation of slanting line in moving image.

EFFECT: higher quality, higher efficiency.

2 cl, 10 dwg

FIELD: graphic data indication means.

SUBSTANCE: device has block for calculation of average brightness, block for data conversion and block for calculation of output video data, while block for average brightness calculations determines average brightness level, average image level for images with length n frames on basis of input video data X(X≥0) in coordinate system X-Y, conversion block determines data Xc and Yc with appropriate central point on basis of average image level, and block for calculation of output video data determines output video data Y(Y≥0) gathered after adjustment of contrast level in accordance to formula Y=A·X+Xc·(1-A), where A>0 is steepness, set by variable for adjusting contrast, as a result of which, when A increases and contrast also increases, brightness increase at low level is suppressed for contrast adjustment in accordance to average image level for images with length of certain number of frames.

EFFECT: higher efficiency.

2 cl, 8 dwg

FIELD: image correction technologies.

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EFFECT: better image quality.

5 cl, 21 dwg

FIELD: colored displays engineering.

SUBSTANCE: presented data of image are multicolor data in format of bit-wise imaging and one pixel is expressed by assembly of data of each color, plane of which on plane of image data is separated on multiple groups of many pixels near each other. Each group matches each lamp of one of colors. Selection of data of each color of many pixels in one group is repeated at high speed, and lamp of matching color is activated for emitting of light in accordance to selected data of this color. Data planes of each color are grouped in such a way, that they are mutually displaced by position on plane of image data with partial overlapping in interconnection to displacement of position in order of positioning of lamp of appropriate color on display screen.

EFFECT: higher clarity and quality.

2 cl, 5 dwg

FIELD: colored displays engineering.

SUBSTANCE: presented data of image are multicolor data in format of bit-wise imaging and one pixel is expressed by assembly of data of each color, plane of which on plane of image data is separated on multiple groups of many pixels near each other. Each group matches each lamp of one of colors. Selection of data of each color of many pixels in one group is repeated at high speed, and lamp of matching color is activated for emitting of light in accordance to selected data of this color. Data planes of each color are grouped in such a way, that they are mutually displaced by position on plane of image data with partial overlapping in interconnection to displacement of position in order of positioning of lamp of appropriate color on display screen.

EFFECT: higher clarity and quality.

2 cl, 5 dwg

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