Contributed by Kaiming He (hkm007@ie.cuhk.edu.hk)
Please note that the running time reported in the paper is from C++ implementation.
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guidedfilter.m - guided filter implementation (Eqn(5), (6), (8) in the paper)
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guidedfilter_color.m - guided filter for color guidance (Eqn(14), (15), (16) in the paper)
Run the four examples to see the results shown in the paper.
2011/5/3: a bug fixed in guidedfilter_color.m (Thanks Xing for reporting)