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).
945973.fig.002a
(a) RGB (255, 90, 0)
945973.fig.002b
(b) RGB (0, 160, 255)

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