CALIBRATION METHOD AND DEVICE FOR CAMERA AND CORRESPONDING POINT SEARCHING METHOD

摘要

PROBLEM TO BE SOLVED: To accurately obtain the projection matrix of a camera. SOLUTION: This method for performing the calibration of the camera for photographing an object from different directions has a 1st step to obtain the projection matrix of the camera and a 2nd step to a photograph a chart for calibration where a dot pattern is displayed from the different directions by the camera, so that the previous projection matrix is corrected by using the obtained image.