Recently "Camera View Calibration Method and Device" invented by the Xi'an Institute of Optics and Precision Mechanics (XIOPM), Chinese Academy of Sciences has won the national patent for invention.

A camera generally comprises an optical system and a detection system (CCD or CMOS). Camera view representing the imaging range of a camera is an important index of the camera.

Li Kun, Chen Yongquan and Zhao Jianke of the Detection Center of XIOPM invented a camera view calibration method and device which can improve test precision.