Title :
Dynamic edge warping: experiments in disparity estimation under weak constraints
Author :
Boyer, K.L. ; Wuescher, D.M. ; Sarkar, S.
Author_Institution :
Dept. of Electr. Eng., Ohio State Univ., Columbus, OH, USA
Abstract :
A technique, dynamic edge warping, for recovering reasonable disparity maps from uncalibrated stereo image pairs is presented. No precise knowledge of the epipolar camera geometry is assumed. The technique is part of a system including structural stereopsis and digital photogrammetry for self-calibrating stereo image pairs with application in autonomous extraction of terrain maps from stereo aerial photographs and autonomous calibration maintenance in robotic vision. The system substitutes high-level information and constraints for precise geometric knowledge, in constraining the matching process
Keywords :
calibration; computer vision; computerised pattern recognition; computerised picture processing; autonomous calibration maintenance; autonomous extraction; digital photogrammetry; disparity estimation; disparity maps; dynamic edge warping; geometric knowledge; matching process; robotic vision; structural stereopsis; terrain maps; uncalibrated stereo image pairs; weak constraints; Calibration; Cameras; Computational geometry; Image segmentation; Laboratories; Layout; Photometry; Robot vision systems; Robustness; Signal analysis;
Conference_Titel :
Computer Vision, 1990. Proceedings, Third International Conference on
Conference_Location :
Osaka
Print_ISBN :
0-8186-2057-9
DOI :
10.1109/ICCV.1990.139574