Method and apparatus for dynamically visualising collection of images in form of collage

FIELD: physics, video.

SUBSTANCE: invention relates to methods of presenting a collection of images. The computer-implemented method for dynamic visualisation of a collection of images in the form of a collage includes a step of obtaining an image from a collection of images. Further, the method includes adjusting parameters of dynamic visualisation and analysing distribution of colours in local areas of the image and the collage. The method also includes modifying the image by adding decorative elements, the appearance of which depends on the distribution of colours in the local areas of the image and the collage. Furthermore, the method includes modifying the collage by changing an appearance of decorative elements in the image.

EFFECT: improved visual quality of a collection of images owing to automated modification of display of decorative elements depending on the colour of the images.

6 cl, 5 dwg

 

The invention relates to a method of representing a collection of images, in particular to methods of dynamic visualization of a collection of images in a collage with the use of decorative elements, the color of which depends on the rendered images.

The prior art knows a lot of methods and systems related to convert a collection of images in a static image type "collage". Conditionally they can be divided into two groups: automatic or automated and system tools to manually create the collage. The majority of patents and publications on the automatic creation of collage relate to processes of selection, grouping, and arrangement of images. For example, in U.S. patent No. 7,576,755 [1] described a way of highlighting important areas and the location of the image on the canvas when the display condition in the collage maximum important part of the image area. This is the model of Biesse. U.S. patent No. 7,848,596 [2] is based on using templates to place the images. The resulting collage of such systems typically requires modification by the user to create aesthetically pleasing collage. In U.S. patent No. 7,904,455 [3] proposed the use of collage in the form of a mosaic to navigate through the images. For visual separation of groups of images from each other to provide the sustained fashion image of each group is divided into the collage borders. The type of border, color and thickness are used to specify relations between groups: the greater the difference between the groups, which include image, the more noticeable the border between them.

The slide show in the form of a collage is also one of the famous ways of presenting a collection of images. For example, Apple iPhoto (see U.S. patent No. 8,013,874) [4] has a built-in mode of the slide show in the form of collage: image "fall" onto the canvas one by one. Herewith, some fixed set of decorative elements, such as white frame.

To create more impressive slide show in the form of a collage users use special authoring program such as CyberLink PowerDirector (see http://en.wikipedia.org/wiki/PowerDirector) [5]. Automatically generated collages are rarely accompanied decorative elements, such as text, background, frame. This is partly due to the fact that in some cases, the decorative elements are not harmonious in color images, which leads to a negative perception of the generated collages by the user.

Often the images are placed manually or automatically in the form of a collage and then manually add text, decorative elements and change their settings (e.g. font, size, transparency, intensity, saturation, color). The design of the collage manually requires considerable time is I. Change the settings of decorative elements, as a rule, requires special skills, for example skills aesthetically pleasing to find the matching colors and the combination of different decorative elements.

Among the known methods and systems for manual creation of the collage most popular and closest to the claimed method is a solution, laid the basis for Picture Collage Maker http://www.picturecollagesoftware.com) [6], which provides many templates hosting and decorative elements, such as frames, masks, drop shadows, pictures, background. The disadvantage of this system is that it is designed exclusively for experienced users, which create personal collages.

The problem to which the invention is directed, is to develop an improved method for converting a set of images in the collage, and this method should be user-oriented mid-level and provide a wide range of visual design created collages.

The technical result is achieved due to the application of the proposed method for dynamic visualization of a collection of images in a collage, and this method includes the following operations:

get the image from the image collection,

syshestvyut settings dynamic visualization

analyze the color distribution in local areas of the image and collage,

modify the image by adding decorative elements, the appearance of which depends on the distribution of colors in the local areas of the image and collage,

modify collage by changing the appearance of decorative elements on it,

determine the location of the modified image on a modified collage

form a sequence of frames showing the appearance of the modified image on the collage.

The invention improves the visual perception of the slide show in the form of a collage by automatically adding decorative elements and modification of the display depending on the colors of the image. The use of adaptive changes in the appearance of decorative elements produces a positive impression on the user. Moreover, in the invention may smooth color changing decorative elements from frame to frame.

Further, the essence of the claimed invention is illustrated with engaging graphics.

Figure 1 - an example of one frame of the slide show in the form of a collage with decorative elements, the appearance of which depends on the colors in the displayed image.

Figure 2 - scheme of the process of dynamic visualization of the collection from which the interests in the form of a collage with changing the appearance of the decorative elements.

Figure 3 - scheme of assessment changes color decorative element.

Figure 4 is an example of the color wheel.

5 is a diagram of the formation process of a sequence of frames with a change of decorative elements.

Figure 1 shows one frame of the slide show in the form of a collage with decorative elements, the appearance of which depends on the colors of the rendered images. Decorative elements can be applied not only to images in the collage, but also to the collage, for example rectangular frame 101. Appearance 102 background and decorative element 101 collage may change during the dynamic visualization of the image collection. When modifying an image or a collage by adding decorative elements are selected from the following elements: frames, borders, figures, for example, stationery, buttons, fridge magnets and the like. As decorative elements of the drawings figure 1 shows pushpin 103, 104, 105 and frame 106, 107, 108. Different numerical values for the decorative elements of the same type indicate that the items are different colors from each other. The choice of color decorative element based on user preferences and the specified color scheme. For example, if you are using a complementary scheme combination of colors for dark image 109 corresponding frame 106 should b the th light and on the contrary, for a bright image frame 110 108 around it should be dark.

Figure 2 shows a diagram of the process of dynamic visualization of a collection of images in a collage with changing the appearance of the decorative elements. The process begins with step 201, which set the parameters of the dynamic visualization in the form of a collage. Set the following parameters dynamic visualization: the size of the collage, background, collage, placement of images, a set of decorative elements, the method of changing the appearance of the decorative elements, color preferences, the set of image metadata, such as time and date of capture, location of capture, name of the file. These parameters can be set manually by the user or automatically. In step 202, the user selects images for dynamic visualization in the form of a collage. Module 203 visualization accesses the image and assesses changes that need to be done in collage 204. Based on the analysis of collage 204 to step 205 generates a sequence of frames representing that image in the collage according to the parameters 201. In determining the location of the modified image on a modified collage image size varies within a certain range. All the images selected in step 202, obrabecim who are the same way.

Adding a new image in the collage leads to changing the appearance of the decorative elements of the images in the collage and decorative elements of the collage. The process of evaluating changes in the appearance of decorative elements shown in Figure 3. In step 301 find the area of the available images and collage for analysis. As the scope of analysis can be considered the whole picture and the whole collage. In some embodiments of the invention there is no need to consider the full picture or collage. The way of placing images on the collage that you installed in step 201, determines the final position of the image on the collage and the way the image is, for example rotation, manifestation, resizing during dynamic imaging. Thus, the position of the decorative elements of this image on the collage known. For example, figure pushpin used as a decorative element, specifies the image area over which it is placed. Thus, the color of this figure depends on the colors of the image in the local area in which it is placed. In another embodiment, the implementation of the claimed invention, the scope of analysis is defined adjacent areas in relation to the provision of a decorative element. For example, the frame separates the image is tion from other content of the collage. In this case, the color of the frame should be determined not only by the scope of collage, over which it is placed, but also should consider the color image and the color of the collage around it. You have the option to use multiple criteria to search for the analyzed areas. Color characteristics are calculated in step 302. The color histogram is the most common characteristic. The prevailing color and/or color distribution along the major axis of the decorative element can also be regarded as useful signs. On the calculated characteristics at step 303 determines the color of the decorative element. In some embodiments of the claimed invention, the number of colors of the decorative element was not limited to one. The selection of a specific color decorative element on the calculated characteristics occurs according to step 201 setting color preferences.

Known from the prior art color wheel shown in Figure 4. Twelve colors are located on a circle: three primary colors (red - 403, yellow 401, blue - 402); the three secondary colors (purple - 404, green - 405, orange - 406), and six tertiary colors. There are following main circuit combination of colors: monochromatic, complementary, triad combination. When a complementary color combination color decorative elementbased opposite on the color wheel primary color of the analyzed region. If several areas are used primarily for process model color combinations. For example, consider two regions, i.e. there are two dominant colors, and the color of the decorative element is defined as equidistant on the color wheel from the dominant colors of these regions. On lap two such points. In the case of preferences monochromatic color combinations on the collage smaller sector of the color wheel determines the color of the decorative element, in the case of preferences complementary color combinations decorative element specifies a larger sector.

Figure 5 shows the process of forming a sequence of frames with changing the appearance of the decorative elements. In step 501 changes the image to the collage by joining decorative elements. How to change the appearance of decorative elements specified in step 201, determines to change the appearance of the decorative elements of the images in the collage and decorative elements of collage. Also when forming a sequence of frames, the color of the decorative elements of collage, and images in the collage are changing smoothly from frame to frame) or abruptly (for one frame). In the modification represented in Figure 5, the appearance of the decorative elements of the image to be added to the collage, is not changed. The external appearance of orationi elements of collage, and images in the collage is changed from frame 502 to the frame 503. The nature of the changes in the appearance of decorative elements is set at the step 201. The result of combining modified in step 501, the image and the collage shown in step 504.

Further aspects of the invention can be obtained from consideration of the drawings and description of preferred modifications. Professionals it is clear that various modifications, additions and substitutions, without departing from the scope and meaning of the present invention disclosed in the accompanying claims. For example, images can be animated or be sequences.

The inventive method is applicable to devices with the function of displaying images, such as TVs with multimedia, mobile phones, digital cameras, photo frames, and desktop applications for navigation through the images and view images as a slide show.

1. A computer-implemented method for dynamic visualization of a collection of images in a collage containing phases in which:
get the image from a collection of images;
perform the tuning of the parameters of the dynamic visualization;
analyze the color distribution in local areas of the image and collage;
modify the image by adding decorative elements, the appearance of which depends on the distribution is of flowers in the local areas of the image and collage;
modify collage by changing the appearance of decorative elements on it.
determine the location of the modified image on a modified collage;
form a sequence of frames showing the appearance of the modified image on the collage.

2. The method according to claim 1, in which sets these parameters dynamic visualization:
- the size of the collage,
- the background of the collage,
- a way of placing images,
- set of decorative elements,
- how to change the appearance of the decorative elements,
- color preferences,
- set image metadata, such as time and date of capture, location of capture, name of the file.

3. The method according to claim 1, wherein modifying the image by adding decorative elements is chosen such elements from the group comprising frames, borders, images.

4. The method according to claim 1, wherein when forming the sequence of frames change gradually or abruptly, the color of the decorative elements of collage, and images in the collage.

5. The method according to claim 1, wherein when analyzing the distribution of colors define the local region image and collage depending on the type of decorative item, and also the ratio of the size of the decorative element, image and collage.

6. The method according to claim 1, wherein when the determination of the position of the modified image on a modified collage image size varies within a user-selected range.



 

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