All you need to do is draw a rough approximation of the edge of the object and tell Decompose what the foreground and the background are.
所有您需要做的是制订一个粗略的逼近边缘的对象，并告诉分解有什么前景和背景。
Pictures had a rough edge and details were missing, giving only a rough approximation of the real thing.
电影经历了艰苦的边缘和细节丢失，从而只是一个粗略近似真实的事情。
Then the result is interpolated into the next finer level of approximation image as a initial contour, and evolved with edge based and inter scales shape constrained ACM.
然后通过插值将结果向下一尺度低频图像传递，并利用尺度间形状约束和边界约束复合acm进一步细化曲线，使其符合局部图像特征，如此逐层重复直至原始图像。
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