Color image segmentation method

A color image and image technology, applied in the field of color image segmentation, can solve the problems of not performing automatic segmentation, not easy to segment color images, and time-consuming

Inactive Publication Date: 2002-03-13
SAMSUNG ELECTRONICS CO LTD +1
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AI Technical Summary

Problems solved by technology

Conventional color image segmentation has the problem of not easily segmenting color images containing textures
Moreover, another conventional color image segmentation method that performs automatic segmentation is not robust to noisy input images
and another conventional color image segmentation method for segmenting images that are robust to input images that contain noise, but no automatic segmentation is performed, so it takes a lot of time

Method used

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Embodiment Construction

[0029] refer to figure 1 , which illustrates a flowchart of a color image segmentation method according to a preferred embodiment of the present invention, a color image is input (step 102), and pixel values ​​of the input image are quantized into several representative pixel values ​​(step 104). For classifying images in natural scenes, representative pixel values ​​consist of 10-20 values. In this embodiment, quantization is performed using three representative pixel values ​​for convenience of explanation. Next, a class diagram is formed by specifying representative pixel values ​​corresponding to the quantization (step 106).

[0030] Preferably, the window is specified to be centered on the pixels to be processed in the entire image. That is, when d is a positive integer, preferably between 3 and 10, it is stipulated that the window B is aligned with the center of the pixel P and has a size of d×d. Also, assume that i is a number between 1 and C, and Zi is the set of al...

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Abstract

A color image segmentation method is provided. The color image segmentation method includes the steps of: (a) calculating a predetermined value representing the degree of difference form the color of peripheral pixels by using pixel values of an input image; (b) obtaining a converted image by converting a calculated value into a value of a predetermined scale; and (c) segmenting the converted image. According to the color image segmentation method, a robust and an automatic segmentation is possible, and a segmentation speed is high even when segmenting an image containing much noise.

Description

technical field [0001] The present invention relates to a color image segmentation method, more specifically, to a color image segmentation method for segmenting a color image. Background technique [0002] Color image segmentation is a very important part of digital image processing and its applications. Conventional color image segmentation has the problem that it is not easy to segment color images containing textures. Moreover, another conventional color image segmentation method that performs automatic segmentation is not robust to noisy input images. And another conventional color image segmentation method for segmenting an image that the user is going to segment is robust to an input image containing noise, but does not perform automatic segmentation and thus takes a lot of time. Contents of the invention [0003] To solve the above problems, an object of the present invention is to provide a color image segmentati...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N7/26G06T5/00G06T7/00
CPCG06T7/0081G06T2207/20141G06T2207/10024G06T7/11G06T7/187G06T7/40H04N9/64
Inventor 申铉枓崔良林B·S·曼朱纳思邓忆宁
Owner SAMSUNG ELECTRONICS CO LTD
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