Patent 8208716 was granted and assigned to Electronics and Telecommunications Research Institute on June, 2012 by the United States Patent and Trademark Office.
A stereo vision system includes an image pre-processing unit for pre-processing the right and left images, and a stereo matching unit for carrying out stereo matching of the right and left images to acquire low-resolution distance information of the right and left images and high-resolution distance information of the right and left images upon detection of an object within a distance range through the low-resolution distance information.