Description: By using eight neighborhood information, the next point as the boundary point, the algorithm needs to choose a starting point, can the image on the target, at the most, the left most point. Then look at the eight points neighborhood of it, the lower right 45 degree position began to look for, if it is the target, will be along the clockwise 90 degrees as the next search direction, if not, then counter clockwise 45 degrees to find, once found to repeat the above process.
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8-邻域边界跟踪算法.doc
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