Research on an Improved Gray Gradient Orientation Algorithm in Anisotropic High-Pass Filtering


The edge's orientation obtained with the method of gray gradient orientation may be quite different from the real edge's orientation, leading to deterioration of the high-pass filtering performance. In this paper, an original scheme of the improved algorithm on the method of the gray gradient orientation is proposed. Making full use of the pixels in the… (More)
DOI: 10.1109/HIS.2006.60


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