filtering - guidedFilter using OpenCV -


i tried use guided filter( in opencv it's named guidedfilter ) make edge-preserving filter.and guid image used same input image. not familiar choice of guided image.so give me advice on it? thanks!

you can use practically guide. in raytracing makes sense use normal information , depth information guide, guide rgbd-image. opencv 3.0 seems have limit of 3 channels, means can use rgb-image guide, rgb corresponds kind of information not red green blue color.

here 1 of original papers on guided image filtering if have technical knowledge: he: guided image filtering


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