Color image segmentation method
First Claim
1. A color image segmentation method for segmenting a color image into a plurality of regions, comprising the steps of:
- (a) calculating a first value representing a degree of difference between a pixel and peripheral pixels from the color of peripheral pixels based on a plurality of pixel values of an input image, wherein the color includes levels of one color,(b) obtaining a converted image by converting the first value into a value of a predetermined scale, and(c) segmenting the converted image based on a region growing method.
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Abstract
A color image segmentation method is provided. The color image segmentation method includes the steps of: (a) calculating a first value representing the degree of difference between a pixel and the color of peripheral pixels based a plurality of pixel values of an input image; (b) obtaining a converted image by converting the first calculated value into a value of a predetermined scale; and (c) segmenting the converted image. According to the color image segmentation method, an effective and an automatic segmentation is possible, and a segmentation speed is high even when segmenting an image containing much noise.
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Citations
48 Claims
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1. A color image segmentation method for segmenting a color image into a plurality of regions, comprising the steps of:
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(a) calculating a first value representing a degree of difference between a pixel and peripheral pixels from the color of peripheral pixels based on a plurality of pixel values of an input image, wherein the color includes levels of one color, (b) obtaining a converted image by converting the first value into a value of a predetermined scale, and (c) segmenting the converted image based on a region growing method. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37)
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38. An object-based color image processing method for processing a color image according to a color image segmentation method, wherein the color image segmentation method comprises the steps of:
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(a) calculating a first value representing a degree of difference between a pixel and peripheral pixels from the color of peripheral pixels based on a plurality of pixel values of an input image, wherein the color includes levels of one color; (b) obtaining a converted image by converting said first value into a value of a predetermined scale; and (c) segmenting the converted image based on a region growing method. - View Dependent Claims (39)
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40. A color image segmentation method for segmenting a color image into a plurality of regions, comprising the steps of:
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(a) quantizing pixel values of an image into a number of representative pixel values;
(b) calculating a first value representing a degree of difference between a pixel and peripheral pixels from the color of pixels in a predetermined size window using quantized representative pixel values, wherein the color includes levels of one color;(c) obtaining a converted image by converting said first value into a value of a predetermined scale; and (d) segmenting the converted image using a segmentation method based on a region to growing method. - View Dependent Claims (41, 42, 43)
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44. A medium for storing program codes performing a color image segmentation method for segmenting a color image into a plurality of regions, wherein the medium comprises computer readable code means for:
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(a) quantizing pixel values of an image into a number of representative pixel values; (b) calculating a first value representing a degree of difference between a pixel and peripheral pixels from the color of pixels in a predetermined size window using quantized representative pixel values, wherein the color includes levels of one color; (c) obtaining a converted image by converting said first value into a value of a predetermined scale; and (d) segmenting the converted image using a segmentation method based on a region growing method. - View Dependent Claims (45, 46, 47, 48)
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Specification