International Scholarly Research Notices / 2012 / Article / Fig 2

Research Article

An Effective Color Addition to Feature Detection and Description for Book Spine Image Matching

Figure 2

Two example feature keypoints. The center pixel of both keypoints has the same grayscale value of 129.6 using (1).
(a) RGB (255, 90, 0)
(b) RGB (0, 160, 255)

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