error while using imfilter function in matlab

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M Manohar prabhu
M Manohar prabhu 2020-3-27
回答： DGM 2024-1-10
code:
function result=gaussian_pyramid(img,level)
img=im2double(img);
h = 1/16* [1, 4, 6, 4, 1];
filter = h'*h;
result{1} = imfilter(img, filter, 'replicate', 'conv');
temp_img = img;
for i = 2 : level
temp_img = temp_img(1 : 2 : end, 1 : 2 : end);
result{i} = imfilter(temp_img, filt, 'replicate', 'conv');
end
end
the error is attached below

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回答（1 个）

DGM
DGM 2024-1-10
Ran in:
The name of the filter variable is "filter", not "filt".
result{i} = imfilter(temp_img, filt, 'replicate', 'conv');
filt() is a function which, when called without any input arguments, will create an empty transfer function.
filt
ans = Empty transfer function.

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