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Method for detecting region of interest of color image

A region of interest, color image technology, applied in image analysis, image data processing, instruments, etc., can solve problems such as limited color images, and achieve the effect of ensuring accuracy, good stability, and great application value

Inactive Publication Date: 2011-04-06
INST OF ACOUSTICS CHINESE ACAD OF SCI
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Problems solved by technology

[0006] The purpose of the present invention is to overcome the defect that the existing detection method of image frequency domain information is limited to the type of color image, that is, the existing detection method of frequency domain information can only accurately detect simple background and complex foreground or background with complex background Simple regions of interest in both types of color images, thus providing a method for detecting regions of interest in color images

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  • Method for detecting region of interest of color image
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  • Method for detecting region of interest of color image

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[0045] The method for detecting a region of interest on a color image of the present invention will be described in further detail below with reference to the accompanying drawings and specific embodiments.

[0046] Figure 1-a , Figure 1-a' , Figure 1-b , Figure 1-b' , Figure 1-c , Figure 1-c' and Figure 1-d , Figure 1-d' are the four different color image styles listed in the present invention, and the traditional methods for detecting regions of interest in color images based on spectrum can only detect relatively simple images, such as (1-a) and (1- The complex foreground simple background case shown in a'), or the foreground simple background complex cases shown in (1-b) and (1-b'). However, if the foreground and background parts are relatively simple or complex, as shown in (1-c) (1-d), there is no way to determine the region of interest of the original image by relying on its feature map, that is, using traditional The detection results obtained by the met...

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Abstract

The invention provides a method for detecting a region of interest of a color image, which is used for detecting the color image to obtain a rectangular region of interest and comprises the following specific steps of: 1, removing spare detail parts of the image by adopting a region-based fuzzy method and remaining a boundary of a foreground region and a background region, wherein an HSV (Hue, Saturation, Value) color model is adopted in the fuzzy process; 2, selecting 6 different color channels by adopting the HSV color model and a CIELUV color model for the image subjected to the fuzzy processing, respectively obtaining 6 characteristic patterns according to phase spectrums; 3, respectively detecting corresponding candidate regions of interest for the characteristic patterns so as to obtain 6 candidate rectangular regions of interest on the 6 characteristic patterns; and 4, building a remarkable pattern of the original image based on the 6 candidate rectangular regions of interest in the step 3, and detecting on the remarkable pattern to finally obtain a rectangular region of interest. The invention has high detection accuracy and robustness for the regions of interest and better application values.

Description

technical field [0001] The invention relates to an automatic detection method for an area of ​​interest in a color image. The method automatically detects the part of the area that people pay attention to when they see the image at the first sight. area method. Background technique [0002] In recent years, with the rapid development of the third-generation mobile communication technology and multimedia processing technology, portable mobile multimedia terminals are becoming more and more popular. However, due to the convenience and cost of carrying, the screen of the portable multimedia terminal is generally not large. In this way, it is necessary to perform adaptive processing on the content to be displayed, such as images and videos, so as to meet the requirements of various display screens with small sizes. One of the important issues is to find the most critical area of ​​the content to be displayed. This most critical area is required to be the most representative pa...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T7/60
Inventor 高丽裴朝科王东辉洪缨侯朝焕杨树元
Owner INST OF ACOUSTICS CHINESE ACAD OF SCI
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