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Aiming at the parameter detection of the circumferential equispaced curves, and on the background of the rifling parameter detection, a panoramic image based detection technique is proposed, which employs the panoramic image photographed by a tamper reflector and a CCD camera to detect the parameter of the circumferential equispaced curves. The effect of the system’s off-center error, deflection error and pixel error on the parameter detection is analyzed, which shows that this technique make a good use of the property of the circumferential equispaced, and has a high power of anti off-center error and anti deflection error, resulting a high precision at the parameter measurement on circumferential equispaced curves.
Aiming at the parameter detection of the circumferential equispaced curves, and on the background of the rifling parameter detection, a panoramic image based detection technique is proposed, which provides the panoramic image photographed by a tamper reflector and a CCD camera to detect the parameter of the circumferential equispaced curves. The effect of the system’s off-center error, deflection error and pixel error on the parameter detection is analyzed, which shows that this technique make a good use of the property of the circumferential equispaced, and has a high power of anti off-center error and anti deflection error, resulting a high precision at the parameter measurement on circumferential equispaced curves.