MULTI-VIEW STEREO CAMERA CALIBRATION USING LASER TARGETS FOR MEASUREMENT OF LONG OBJECTS(International Workshop on Advanced Image Technology 2009)

概要

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A calibration method for multiple sets of stereo vision cameras is proposed. To measure the three-dimensional shape of a very long object, measuring the object at different viewpoints and registration of the data are necessary. In this study, two lasers beams generate two strings of calibration targets, which form straight lines in the world coordinate system. An evaluation function is defined to calculate the sum of the squares of the distances between each transformed target and the fitted line representing the laser beam to each target, and the distances between points appearing in the data sets of two adjacent viewpoints. The calculation process for the approximation method based on data linearity is presented. The experimental results show the effectiveness of the method.
社団法人電子情報通信学会の論文
2009-01-05