title: Optimized stereo matching in binocular three-dimensional measurement system using structured light.
abstract: In this paper, we develop an optimized stereo-matching method used in an active binocular three-dimensional measurement system. A traditional dense stereo-matching algorithm is time consuming due to a long search range and the high complexity of a similarity evaluation. We project a binary fringe pattern in combination with a series of N binary band limited patterns. In order to prune the search range, we execute an initial matching before exhaustive matching and evaluate a similarity measure using logical comparison instead of a complicated floating-point operation. Finally, an accurate point cloud can be obtained by triangulation methods and subpixel interpolation. The experiment results verify the computational efficiency and matching accuracy of the method.
authors.forename: Kun
authors.initials: K
authors.lastname: Liu
authors.forename: Changhe
authors.initials: C
authors.lastname: Zhou
authors.forename: Shengbin
authors.initials: S
authors.lastname: Wei
authors.forename: Shaoqing
authors.initials: S
authors.lastname: Wang
authors.forename: Xin
authors.initials: X
authors.lastname: Fan
authors.forename: Jianyong
authors.initials: J
authors.lastname: Ma