Color Image Edge Detection Arithmetic Based on Color Space
ICCSEE), 2012 International Conference（2012）
摘要
A method to determine whether a pixel is the edge point of a color image is presented. First, according to the characteristic of RGB color space, a color triangle of a pixel is constructed with its color coordinates RGB, and then the perimeter and the internal angle of the color triangle which can be seen as the information value of a pixel is calculated. Last, comparing the value with that in its neighborhood, a pixel is in the edge point or not is determined. This method took the correlation of every color component into account reasonably, and converted the computation of a vector space to scalar quantity in a natural way. Comparing it with traditional method, experimental result shows that more legible edges can be detected with this method and can be realized easily.
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关键词
arithmetic,edge detection,image colour analysis,rgb color coordinates,rgb color space characteristic,color component correlation,color image edge detection arithmetic,pixel color triangle,vector space computation,color image,color information quantity,color triangle,color,information value,color space,colored noise,shape,correlation,vectors,vector space
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