Patent 8189943 was granted and assigned to Mitsubishi Electric Research Laboratories on May, 2012 by the United States Patent and Trademark Office.
A method up-samples images in a reduced resolution video, wherein each image I(x, y) stores depths d at pixel locations (x, y). each depth image is scaled up to produce a corresponding up-scaled image. Then, image dilation, a median filter, image erosion, and a min-max filter are applied in order to produce a corresponding up-sampled image.