【摘要】 Snake模型对初始位置敏感,因此要求初始轮廓应尽可能地靠近真实轮廓,否则结果常达不到要求。使用Snake模型分割序列图像时,常常利用连续图像的相关信息来获取某一图像的初始轮廓,这样获得的初始轮廓有时不仅不靠近真实轮廓,而且它的一部分在真实轮廓内,而另一部分在外。针对该问题做了研究,极大地放宽了初始轮廓选取条件。更多还原

【Abstract】 The original contour must be on the real contour because the snake model is sensitive to the original contour’s location,or results are generally inaccurate.original contour is often gained from images’ relative information when serial images are segmented.This original contour may be far from the real contour and its part is inside the real contour whereas the other part is exterior.Some researchs for this problem and widens the conditions of choosing the original contour are made of.更多还原