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- W2391007743 abstract "System calibration is one of the key technologies for optical 3D shape measurement system based on structured illumination,and it is always complicated and time-consuming.A fast calibration method is proposed based on the color images.This method projects a color chessboard pattern(white and magenta) onto a color chessboard plane(blue and red).The former occupies the green channel of the captured image and it only needs one captured color image at each position to simultaneously calibrate the camera and the projector.Compared with the traditional methods,it has a simple process and an equivalent calibration accuracy. It needs less data to calibrate the system just like the binocular stereo vision needs.A 3D shape measurement system has been calibrated by this method and a plane and a semi-cylinder are measured.In the measurement results,the maximum distance between the points and the polynomial surface is 0.8039mm and the average error is 0.1693mm.The reconstructed shape of semi-cylinder is almost the same as that of the traditional method.Experiments show that this calibration method is practicable and the calibration process is fast." @default.
- W2391007743 created "2016-06-24" @default.
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- W2391007743 date "2009-01-01" @default.
- W2391007743 modified "2023-09-23" @default.
- W2391007743 title "Fast calibration method for a 3D shape measurement system based on 2D color images" @default.
- W2391007743 hasPublicationYear "2009" @default.
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