Improved HIS Model with Application to Edge Detection for Color Image

HIS color space is based on the visual features of our eyes, and uses tone, brightness, saturation to manifest the color. While conducting edge detection on color images, in order to get better effects and consistent with human visual perception, a novel HIS-like color space is defined and it is obtained in the process of the improving HIS color model. Edge detection has been made on image which based on HIS color space and the improved HIS color space through Matlab software, combined with Roberts, Prewitt or Sobel detection operator and the vector gradient operator. Experimental results show that the proposed method effectively improves the accuracy of edge detection.

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