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Apparatus and method for analyzing picture dominant hue

An analysis method and technology of main color, applied in the network field, can solve problems such as inaccurate judgment of main color of pictures, and achieve the effect of accurate judgment

Active Publication Date: 2009-12-09
BEIJING SOGOU TECHNOLOGY DEVELOPMENT CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The technical problem to be solved by the present invention is to provide a method for analyzing the dominant color of a picture and its device, so as to solve the problem that the existing method for analyzing the dominant color of a picture is inaccurate in judging the dominant color of a picture

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  • Apparatus and method for analyzing picture dominant hue
  • Apparatus and method for analyzing picture dominant hue
  • Apparatus and method for analyzing picture dominant hue

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Embodiment Construction

[0032] In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0033] Aiming at the problem of inaccurately judging the main color of a picture by using the distance of the color space, an embodiment of the present invention provides a method for judging the main color of a picture. First, the color space is divided into small enough color blocks, and the color of each color block is manually marked. color, and then find the color block for each pixel of the picture, and obtain the main color of a picture through statistical calculations. Applying the method to a search service that provides dominant color filtering in image search can improve the accuracy of image search results and obtain images that better meet user needs.

[0034] refer to figure 1 , is a flow chart of the steps of a met...

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Abstract

The invention discloses a picture main tone analysis method and a device thereof, which solves the problem that the existing picture main tone analysis method is inaccurate in judging the picture main tone. The method includes: dividing the color space into xn color blocks, each color block has a corresponding range of color values; marking each color block with a predefined color; obtaining the color value of each pixel in the picture, and according to The color value range of each color block and the predefined color determine the color of each pixel; the main color of the picture is determined according to the ratio of the number of pixels contained in each color in the picture to the number of all pixels in the picture. Because the judgment of the color of each pixel is more accurate, the judgment of the main color of the whole picture is correspondingly more accurate. When building a search engine that filters search results based on the main color, the main color information can be added to the index information as an attribute of the image to filter out image results that meet user needs.

Description

technical field [0001] The invention relates to network technology, in particular to a method and device for analyzing the main tone of a picture. Background technique [0002] In image search applications, some search methods provide search services based on image colors. For example, if a user enters a keyword for image search and the main color of the image, the search engine will select images of the corresponding color from the images matching the search keyword and provide them to the user. Such a search makes the search range more precise, and users can more easily search for pictures of the same color system. [0003] In the above application, it is necessary to analyze the main color of each picture stored in the search engine system to determine which color the main color of a picture belongs to, so as to help users filter out the required main color in the search service. Since the various colors contained in a picture are composed of pixels of different colors,...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06T7/40G06F17/30
Inventor 张阔
Owner BEIJING SOGOU TECHNOLOGY DEVELOPMENT CO LTD