import numpy def shave(I,border=None): I = I[border[0]:I.shape[0]-border[0],border[1]:I.shape[1]-border[1]] return I x = numpy.zeros([5,5]) x[1:4,1:4] = 2 print x y =shave(x,[1,1]) print y
运行结果：
[[ 0. 0. 0. 0. 0.] [ 0. 2. 2. 2. 0.] [ 0. 2. 2. 2. 0.] [ 0. 2. 2. 2. 0.] [ 0. 0. 0. 0. 0.]] [[ 2. 2. 2.] [ 2. 2. 2.] [ 2. 2. 2.]] [Finished in 0.2s]
原文：http://www.cnblogs.com/anyview/p/5579836.html