Modified Colour Ratio Gradients

Publisher:
IEEE
Publication Type:
Conference Proceeding
Citation:
2005 IEEE Seventh workshop on Multimedia Signal Processing, 2005, pp. 317 - 320
Issue Date:
2005-01
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Color ratio gradient is an efficient method used for color image retrieval and object recognition, which is shown to be illumination-independent and geometry-insensitive when tested on scenery images. However, color ratio gradient produces unsatisfied matching result while dealing with relatively uniform objects without rich color texture. In addition, performance of color ratio gradient degenerates while processing unsaturated color image objects. In this paper, a scheme with modified color ratio gradient is presented, which addresses the two problems above. Experimental results using the proposed method in this paper exhibit more robust performance
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