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Color block identification method and device

A recognition method and color recognition technology, applied in the field of image processing, can solve problems such as inability to obtain color block information, poor color block recognition, and insufficient color block information

Active Publication Date: 2013-06-26
SHENZHEN INST OF ADVANCED TECH CHINESE ACAD OF SCI +1
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  • Claims
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AI Technical Summary

Problems solved by technology

However, the commonly used color patch recognition methods can only identify the color of the color patch, but cannot obtain more information about the color patch, such as the shape and location information of the color patch
In this way, the extracted color block information is not comprehensive enough, and the recognition of color blocks is poor.

Method used

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  • Color block identification method and device
  • Color block identification method and device
  • Color block identification method and device

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Embodiment Construction

[0021] Please refer to figure 1 , an embodiment provides a color block recognition method. The color block recognition method includes the following steps:

[0022] Step S110, illumination compensation, performs illumination compensation processing on the image to be recognized.

[0023] The image to be recognized here may include a plurality of color blocks, and the image to be recognized here is subjected to illumination compensation processing to eliminate the influence of illumination changes on the recognition result.

[0024] In this embodiment, the illumination compensation process adopts a histogram equalization method. The traditional histogram equalization method is to increase the dynamic range of the gray value of the image and increase the contrast, so that the image has a greater contrast. Here, the histogram equalization method is applied to RGB (red green blue, red, green and blue) color image enhancement, and the steps are as follows: First, the color image...

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Abstract

The invention provides a color block identification method and device. The color block identification method and device are implemented through carrying out edge detection on an image required to be identified; extracting the outline of a color block in the image required to be identified so as to determine the shape of the color block; according to the extracted outline of the color block, calculating the barycentric coordinate of the color block so as to obtain the position of the color block; and determining the color of the color block through selecting the color of of a point in the color block. In such a way, the shape, position and color of the color block can be simultaneously identified, and therefore, the information of the color block can be extracted comprehensively.

Description

technical field [0001] The invention relates to the field of image processing, in particular to a color block recognition method and device. Background technique [0002] Color block recognition is an important part of image recognition and has a very broad application prospect. It can be applied to field recognition in robot competitions, automatic sorting and categorization of letters and parcels, etc. However, the commonly used color patch recognition methods can only identify the color of the color patch, but cannot obtain more information about the color patch, such as the shape and location information of the color patch. In this way, the extracted color block information is not comprehensive enough, and the recognition of the color block is poor. SUMMARY OF THE INVENTION [0003] Based on this, it is necessary to provide a color block recognition method and device capable of recognizing the shape, position and color of the color block at the same time. [0004] A ...

Claims

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Application Information

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IPC IPC(8): G06K9/46
Inventor 徐旦吴新宇孙健铨傅睿卿正端蒋萍周建荣
Owner SHENZHEN INST OF ADVANCED TECH CHINESE ACAD OF SCI
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