RussianPatents.com
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Water-mark indication of signal with bits variable flow. RU patent 2327302. |
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FIELD: information technologies. SUBSTANCE: invention relates to the devices and methods for implementation and detection of water-marks in information signals. One proposed method and device of water-mark implementation in information signal (MPin), when administration of water-mark implementation process is fulfilled with, at least, one parameter of implementation. Implementation parameter value depends on transfer bit speed on information signal (MPin), and, at least, water-mark signals stability and its observability. EFFECT: scheme creation of water-mark implementation, fitting water-mark implementation in different information signals, which can be broadcast with different speed of bit transfer. 9 cl, 9 dwg, 1 tbl
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Method of image sequence coding / 2326505 Invention relates to a method of image sequence coding into a bit stream, in which parameters are defined in a parameter set and each image contains information about one or several sections. The method contains a definition of parameters in the set of sequence parameter; a definition of parameters in the set of image parameters, and a definition of at least one image parameter in the section title. The image parameter remains unchanged at least in all section titles of the same image. |
Method for combined usage of vector quantization and fractal encoding of images / 2316908 In accordance to the invention, technical effect is achieved by combined usage of vector quantization and fractal encoding of data during image processing. During that, identical code books are formed in advance in encoder and decoder same as for vector quantization. Then fractal compression method is applied to original image. As domain blocks, either fragments of image being encoded, or code book vector, are used. If rank block is better indicated by domain block, the index of corresponding domain is transmitted to decoder, in opposite case the index of vector, on basis of which the required fragment, used to fill the restored image after fractal decoding, is selected from code book during receipt, is transmitted to decoder. |
Method for encoding and decoding digital data, transmitted using prioritized pixel transmission method or stored in memory / 2316137 In accordance to the invention, informational content being encoded and decoded consists of separate pixel groups, where each pixel group contains value of position, at least one pixel value and priority value assigned to it, where at least one key is used, with which value of position and/or pixel value/values of pixels of pixel group are selectively encoded or decoded. Depending on used keys and on parts of informational content which are encoded, for example, value of positions and/or values of pixel groups, many various requirements may be taken into consideration during encoding. |
Method and device for generation of scaled encoded video-signal using a non-scaled encoded video signal / 2313190 Method for modifying data in input encoded video signal for generation of output scaled video signal, composed of main video signal and a set of at least one quality increase video signal, where method contains at least one error decoding stage for generation of decoded data signal using input encoded video signal, first stage of repeated encoding for generation of main video signal using intermediate data signal, received by addition of signal with movement compensation and decoded data signal, reconstruction stage for generating main video signal encoding error, movement compensation stage for generation of signal with compensation of movement based on encoding error, second stage of repeated encoding for generation of quality increase video signal on basis of encoding error. Encoding error of main video signal is repeatedly encoded with higher degree of detail in comparison to error which is used for generation of main video signal. |
Method for compensating global movement for video images / 2307478 In accordance to the invention, video frame is segmented on a series of sections, with each section including a row of macro-blocks. Corresponding sections are encoded, and signal is included in header of encoded section for defining whether global movement compensation should be used during restoration of encoded section. If it should, global movement compensation information, such as information, representing a set of movement vectors, is included in the section. In any variant of realization movement vectors for each image of certain encoded section may be restored using global movement compensation information, contained only in certain encoded section. |
Method for decreasing distortion of compressed video image and device for realization of the method / 2305377 In accordance to the invention, the image being processed is divided on blocks with following transformation of each block using discontinuous quantum transformation, result coefficients are quantized and encoded, supporting points are computed and linear interpolation is performed, while before the stage of supporting point selection, one of the supporting points on edge limit of block is selected and a supporting point on opposite limit block is calculated using additional low frequency filters, after that linear interpolation is performed between thus computed supporting points. |
Device for encoding and decoding video-frames / 2298885 In accordance to invention introduced additionally to encoder are video frames memory block, first function memory block, video frame transmission block, block for storing video frame being reproduced, while input of encoder serially, through block for forming video frames, video frames memory block, block for forming difference video frame, first frame memory block, video frame transmission block and block for memorizing video frame being reproduced is connected to second input of block for forming difference video frame, third input of which is connected to output of first function memory block, output of which is connected to second input of video frame transmission block, output of which is the output of device encoder. Introduced additionally to decoder are video frames receipt block, comparator and second function memory block, while input of decoder is serially, through video frame receipt block, second frame memory block and comparator, is connected to second video frame restoration block, third input of which is connected to output of second function memory device, and output is the output of decoder of device. Device realizes generation, transmission and receipt of code of function of distribution of screen point brightness in a series of frames, making it possible to increase the code compression coefficient. |
Method and device for transferring video data/images with embedding of "watermarks" / 2298295 Video data exchange device includes video input for receiving transferred video signals or signals of images without "watermarks", having certain number of video frames or image frames, in which each video frame or image frame includes certain amount of bit planes, while video input in working state is connected to processor. Processor divides at least one bit plane of each one of at least two video frames or image frames on first and second parts. Processor combines second part of at least one bit plane of first frame with first part of at least one bit plane of second frame for embedding a "watermark" bit into transfer of video signals or image signals. Described are video data exchange system and methods for detecting a fake area and for visual marking of faked area, allowing detection of falsification of images and video data, and determining of location of such falsification for users of given material. |
Hybrid fine-grain scaled video-coding with time-dependent signal-to-noise ratio / 2294058 Use is made of hybrid time/signal-to-noise-ratio scaled structure found just useful for fine-grain coding method. Updated time frames in one example of this structure and updated frames of fine-grain scaling are included in single updated layer. In other example use is made of separate updated layers to attain hybrid time-dependent signal-to-noise ratio scaling. These two layers incorporate time scaled layer to attain time updating for basic layer (that is for better motion) while fine-grain scaling layer is used to improve quality of signal-to-noise basic layer and/or time-scaled updated layer. |
Watermark implantation / 2289215 First design alternate includes watermark implantation system that has transcoder incorporating cascaded decoders/coders related to type commonly used in digital recording systems. Input data stream in first format is received by transcoder decoder 10. Coding parameters are supplied from first output of decoder 10 to first input of transcoder coder 30. Second output signal of decoder 10 incorporates full video signal which is supplied to first input of adder 24. Output signal of watermark generator 22 is passed to second input of adder 24. Output signal of the latter is supplied to second input of coder 30. Output signal of the coder 30 includes information to be recorded in second format which is compatible with data medium. |
Method of transmission of additional data in combined use of vector quantisation and fractal conding of images allowing for classifications of domains and units from code book / 2327301 Invention relates to communication, in particular, to reducing the message redundancy. The developed method allows transmitting additional data without increasing the volume of transmitted data with the transmission rate left intact. First, the initial image is separated into not overlapping range units to be classified. Here, note that every range unit is refereed to one of the three classes, and the said classification is applied to the domains and units from the code book as well. Additional data is entered into lower category of the domain or units indices, to the rest categories of indices of the domain of the initial image or units from the code book applied is the trial inversion procedure. Now, the domain indices and units from the code book are optimised to be transmitted, along with the data on indices of their orientation, over the communication channel. The receiving party isolates the additional data and restores the initial image. |
Method of signal transmission with time slotting parameters in service information / 2325781 Said utility invention relates to a method of signal transmission in a digital television network. The ground digital television network is used for the transmission of IP datagrams to receiving devices using multiprotocol encapsulation (MPE). MPE datagram sections and, if using the forward error correction (FEC), MPE FEC datagram sections are transmitted in time-slotted packet signals. The time slotting parameters determining the minimum time between packet signal transmissions, and data output from the time slotting buffer of the receiving device at the transmission bit rate are used to save power and enhance the quality of service. |
Import control of content / 2324301 Method for controlling import of content into a domain comprising number of devices consists in checking for the presence of a domain watermark in the content, and if the domain watermark is found in the content, refusing import of the content into the domain, and if the domain watermark is not found in the content, allowing import of the content into the domain and causing the domain watermark to be embedded into the content. Optionally, re-importing into the "original" domain might be allowed. The method further comprises refusing import of the content into the domain if the domain watermark is found in the content unless the identifier matches an identifier for the domain. Other payloads in the domain watermark can be used to e.g. implement location- or time-based restrictions on import. |
Method for transmitting additional information during combined usage of vector quantization and fractal encoding of images / 2313917 In accordance to the invention, during encoding of image by means of combined usage of vector quantization and fractal compression method, additional information is integrated into lower bits of domain indexes or code book blocks. Testing inversion procedure is applied to remaining bits of domain indexes of original image or code book blocks. After integration of additional information and optimization of domain indexes and code book blocks, these data together with information about indexes of their orientation, brightness and contrast coefficients are transferred through a communication channel. At receiving side, additional information is extracted and original image is restored. |
System and method for identification and insertion of advertisement into broadcast programs / 2299523 In accordance to method, broadcasting data stream is received, advertisement is identified in broadcast data stream and schedule of advertisements is renewed, including information, identifying advertisement and position of advertisement in program for broadcast data stream. During reproduction, advertisement or substituting advertisement are inserted into program in aforementioned position or different position in program. |
Method for transferring additional information during fractal encoding of image / 2292662 In accordance to method, during encoding of image by means of method of fractal compression, into lower bits of domain indexes, additional information is inserted. To remaining bits of indexes of source image domain, sample inversion procedure is applied. After building in additional information and optimization of domain indexes these data together with information about domain orientation indexes, brightness and contrast are transferred via communication channel. At receiving side, additional information is separated and original image is restored. |
Method and device for command transfer / 2285352 In accordance to method, watermark is formed, containing inbuilt control command, which should be executed by device being controlled, control command being related to representation of advertisement, signal is generated, containing watermark, inbuilt in information block represented by it and transferred into device being controlled, generated signal is transferred with watermark into device being controlled for showing advertisement to user by executing control command, related to showing advertisement, user is questioned to determine his preferences and on basis of questioning user profile is generated with consideration of sales data for devices being controlled, product identification is added to control command, while control command contains value of parameter, specific for advertisement, while device being controlled receives advertisement, wherein parameter values are used. |
Communication system, transmitter, receiver and method for using a descriptor of data being saved / 2280960 Communication system provides identification of multiply used data in transmitter by means of data descriptors, inserted into data stream being transferred from transmitter to receiver, data stream, being received at receiving end, is analyzed to detect presence of data descriptors, which signify presence of multiple use data, when such a descriptor is detected, it is locally saved at receiver level jointly with data to which it is related, and multiple use data saved in such a way may be utilized not only immediately after receipt at receiving end, but also later, without need to request transmission from the transmitter. |
Interactive video equipment and method for applying subtitles to image by means of said equipment / 2278479 Control level of interactive video equipment receives information from user about subtitles necessary to be generated, in the coder of interactive video equipment on transferring assembly following stages are performed: receipt of information about subtitles from control level and following generation of subtitle image on transparent background in accordance to aforementioned received information; application of aforementioned image of subtitles to digital service image before encoding, sent from transferring node, with production of digital image, mixed with image of subtitles, and encoding of aforementioned mixed digital image with its following transmission to remote node. |
Creation and execution of animation mode for graphical user interface / 2327218 Invention is related to components and subsystems of computer system for maintenance and provision of graphical user interface presentations. System of graphical image animation is disclosed, which supports time variation of image elements properties for elements inside the graphical image. Animation system uses image structure for maintenance of image elements set. Image elements include value of variable property. System of animation also uses system of properties that supports properties related to image elements that are supported by image structure. Properties include dynamic properties, which may vary in time and, accordingly, affect presentation of corresponding element on graphical image. Animation system contains animation classes, from which the exemplars of animation objects are created, which are related to the property of image element during execution. Exemplars of animation object provide time variable values that affect values assigned to dynamic properties. |
Graphic conveyor and method for early depth detection / 2325699 Invention is related to graphic engines. Technical result is achieved because graphic conveyor includes multitude of sequentially located processing stages, where imaging pixels data is visualized from input data of elementary objects. Processing stages include at least texturing stage and depth testing stage, and depth testing stage may be located earlier in the graphic conveyor than the texturing stage. |
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