The algorithm is for usampling a low resolution image (e.g. low res depth image) using a high resolution image (e.g. high res color image). For more details, please refer to our CVPR 2013 paper.
Ming-Yu Liu, Oncel Tuzel, Yuichi Taguchi "Joint Geodesic Upsampling of Depth Image" CVPR 2013
The repository contains the MATLAB script for obtaining the experiment results reported in the paper.
The implementation is avaiable via Mitsubishi Electric Research Labs (MERL) website via this link .