有一个表示图像的2D数组a
和表示点扩散函数的卷积核k
。调用scipy.signal.deconvolve
时,由于内部调用的lfilter
函数返回"对象太深,不符合所需的数组"错误。1D数组工作得很好。如何解决这个问题?
import numpy as N
import scipy.signal as SS
# working
# taken from:
# http://stackoverflow.com/questions/17063775/convolution-and-deconvolution-in-python-using-scipy-signal
a = N.array([ 0.5, 2.5, 6. , 9.5, 11. , 10. , 9.5, 11.5, 10.5,
5.5, 2.5, 1. ])
k= N.array([0.5, 1.0, 0.5])
res1,res2 = SS.deconvolve(a, k)
# not working
a = N.ones((10,10))
k = N.array([[1,2],[2,1]])
res1, res2 = SS.deconvolve(a,k)