13 lines
422 B
Python
13 lines
422 B
Python
def imageSmoother(self, M):
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from copy import deepcopy
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if not M or not M[0]: return [[]]
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row, col = len(M), len(M[0])
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res = deepcopy(M)
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for x in range(row):
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for y in range(col):
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temp = [M[i][j] for i in [x - 1, x, x + 1] for j in [y - 1, y, y + 1] if \
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0 <= i < row and 0 <= j < col]
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res[x][y] = sum(temp) // len(temp)
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return res |