Guided Filter with Multiple Guidance Images

[Tord-Zhang]

Hi, I have seen your implementation of guided filter kernel in https://github.com/RoyiAvital/StackExchangeCodes/blob/9492a719968c88e0ce4952be8d2c43a6ae37d664/SignalProcessing/Q42415/ApplyLocalLinearKernel.m#L1. Thanks for your wonderful work.

Have your thought about implementing guided filter with multiple guidance image?

[RoyiAvital]

Do you have a reference for such algorithm (With multiple guidance images)?

If you find these codes useful, please up vote the answers on DSP StackExchange.

[Tord-Zhang]

@RoyiAvital Hi, I have found a paper in which the author attempts to use a additional guidance image to deal with the texture copy artifacts. You can reach the paper in https://www.researchgate.net/publication/282540165_Extended_Guided_Filtering_for_Depth_Map_Upsampling.

The formulation of the kernel with two guidance image in this paper is

G is the other guidance image. I am having some problems with implementing it. Could you please help?