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Efficient Dense Correspondences using Temporally Encoded Light Patterns

Chang, Nelson L.

HPL-2003-189

Keyword(s): interactive 3-D media; structured light-scanning; multiframe correspondence estimation; 3-D shape recovery; interactive view synthesis; view interpolation; active calibration

Abstract: Establishing reliable dense correspondences is crucial for many 3-D and projector-related applications. This paper proposes using temporally encoded patterns to directly obtain the correspondence mapping between a projector and a camera without any searching or calibration. The technique naturally extends to efficiently solve the difficult multiframe correspondence problem across any number of cameras and/or projectors. Furthermore, it automatically determines visibility across all cameras in the system and scales linearly in computation with the number of cameras. Experimental results demonstrate the effectiveness of the proposed technique for a variety of applications. Notes: Copyright IEEE. To be published in and presented at IEEE International Workshop on Projector-Camera Systems in conjunction with ICCV 2003, 12 October 2003, Nice, France

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