Depth Recovery from Bifocus Imaging

This paper presents a novel depth recovery technique of bifocus imaging system which may produce two focus images by independent focal lengths. Depth information can be extracted from the disparity between two focus images. This paper will propose the depth recovery formula and related algorithms such as feature extraction, sub-pixel matching, and center estimation. Experiments on real scene images and 3ds Max models have been presented to demonstrate the feasibility of this depth recovery method both in close range and long range depth detection.