Method __rolling_block

photo_smooth.py:96–99

(self, A, block=(3, 3))

            return ans

    def __rolling_block(self, A, block=(3, 3)):
        shape = (A.shape[0] - block[0] + 1, A.shape[1] - block[1] + 1) + block
        strides = (A.strides[0], A.strides[1]) + A.strides
        return as_strided(A, shape=shape, strides=strides)