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Recent progress in structured light in order to solve the correspondence problem in stereovision

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3 Author(s)
Mouaddib, E. ; Univ. de Picardie, Amiens, France ; Batlle, J. ; Salvi, J.

We present a summary of the most significant techniques, used in the last few years, concerning the coded structured light methods employed to get 3D information. In fact, depth perception is one of the most important subjects in computer vision. Stereovision is an attractive and widely used method, but, rather limited to make 3D surface maps, due to the correspondence problem. The correspondence problem can be improved using a method based on a structured light concept, projecting a given pattern on the measuring surfaces, although some relations between the projected pattern and the reflected one must be solved. This relationship can be directly found codifying the projected light, so that, each imaged region of the projected pattern carries the necessary information to solve the correspondence problem. We do not need to mention the numerous advantages in accurate obtention of 3D information for many research subjects, such as: robotics, autonomous navigation, shape analysis, and so on

Published in:

Robotics and Automation, 1997. Proceedings., 1997 IEEE International Conference on  (Volume:1 )

Date of Conference:

20-25 Apr 1997