OBJECT SPACE-BASED MATCHING AND RECONSTRUCTION OF CIRCLES

Abstract

Abstract: A new technique to match and reconstruct circles based on immediate object space solution is proposed. Calculation of rotation angles between circle and world coordinate systems with normal vector of circles is discussed. Since the end points of line segments are results of line template matching and also functions of space circle, the parameters of space circle and gray images are directly related. Thus parameters of space circle can be obtained directly from several gray images by least squares template matching with known camera parameters and initial values of circles. The proposed approach is tested with real imagery, and the results are very satisfying.

Key words: Feature extraction, Least squares template matching, Matching and recon-struction, Space circle

CLC Number:

TP391

Zhang Yongjun;Wang Cheng;Zhang Zuxun;Zhang Jianqing. OBJECT SPACE-BASED MATCHING AND RECONSTRUCTION OF CIRCLES[J]. , 2004, 40(2): 92-95.

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OBJECT SPACE-BASED MATCHING AND RECONSTRUCTION OF CIRCLES

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