Comments (4)
Hello @tanjia123456, you are passing (1.0, 1.0)
to data_range
which isn't supported. Could you try
ssimw = compare_ssim(c, b, win_size=3, data_range=c.ptp())
instead? This assumes that c
and b
have the same "distance between minimum and maximum possible values" as documented in the docstring.
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@grlee77 Hi, can you give me some advice
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Hello @tanjia123456, you are passing
(1.0, 1.0)
todata_range
which isn't supported. Could you tryssimw = compare_ssim(c, b, win_size=3, data_range=c.ptp())instead? This assumes that
c
andb
have the same "distance between minimum and maximum possible values" as documented in the docstring.
thank you, it's works! When I use this line of code
ssimw = compare_ssim(c, b, win_size=3, data_range=255)
, it seems to work, so what's the difference? Also, my image is grayscale
from scikit-image.
Hi @tanjia123456,
Your original code didn't work because you passed data_range=(1.0, 1.0)
while this argument should be a scalar (255
is a scalar value, so that's fine). I tried to make this even clearer with the above pull request, #7345. I'll close this for now. Feel free to reopen if I missed something about your issue.
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