Stereo image rectification algorithm for multi-view 3D display

This paper introduces a stereo image rectification algorithm based on image feature points for multi-view three-dimension (3D) display system. First, we mark the feature points in multi-view images, and calculate the rectification parameters. Then we use these parameters for rotating image and shifting image in vertical direction in order to eliminate the vertical parallax of multi-view images. Finally according to zero-parallax setting (ZPS), we adjust the horizontal parallax to get a better stereo image for multi-view 3D display. After the multi-view information is corrected, the stereo effect has been greatly enhanced in multi-view display system. The algorithm has low complexity in real-time 3D system and can improve the stereo image from the point of the observer.