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yes, I can confirm I used d = -1, as the documentation says: Diameter of each pixel neighborhood that is used during filtering. If it is non-positive, it is computed from sigmaSpace.
But this bluriness definitely seems wrong as the joint bilateral and guided filter are designed to be edge-aware. Might be that the given parameters don't fit well the artificial synthetic data that you are using.
To me it seems like on this specific synthetic data, the "im" is not an image that properly resembles light, there is no smooth/cast shadows or similar, so the input image "im" is already a reflectance image?
Can you confirm the value of d in JointBilateralFilter. In the code it is used as -1 but is not mentioned in paper.
With self as flat image and sigmaColor=22, sigmaSpace=20 (as given in paper) and d=-1
I am getting a very blurred out result.
When doing the filtering with flat image as joint image(as obtained by using https://github.com/sai-bi/L1Flattening) I get this:
Used this as code for bilateral joint and guided
Are the filtering results supposed to be this blurred?
Thanks
PS: I used IIW dataset R image
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