Efficient edge-preserving algorithm for color contrast enhancement with application to color image segmentation

Authors:
Kuo-Liang Chung;Wei-Jen Yang;Wen-Ming Yan
Affiliations:
Department of Computer Science and Information Engineering, National Taiwan University of Science and Technology, No. 43, Section 4, Keelung Road, Taipei, 10672 Taiwan, ROC;Department of Computer Science and Information Engineering, National Taiwan University, No. 1, Section 4, Roosevelt Road, Taipei, 10617 Taiwan, ROC;Department of Computer Science and Information Engineering, National Taiwan University, No. 1, Section 4, Roosevelt Road, Taipei, 10617 Taiwan, ROC
Venue:
Journal of Visual Communication and Image Representation
Year:
2008

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Abstract

In this paper, a new and efficient edge-preserving algorithm is presented for color contrast enhancement in CIE Lu^'v^' color space. The proposed algorithm not only can enhance the color contrast as the previous algorithm does, but also has an edge-preservation effect. In addition, the spurious edge points occurred due to the color contrast enhancement can be well reduced using the proposed algorithm. This is the first edge-preserving algorithm for color contrast enhancement in color space. Furthermore, a novel color image segmentation algorithm is presented to justify the edge-preservation benefit of the proposed color contrast enhancement algorithm. Based on some real images, experimental results demonstrate the advantages of color contrast enhancement, edge-preservation effect, and segmentation result in our proposed algorithm.