Quality assurance of camera zooming by detecting len-shake

A quality assurance approach to ensure proper camera zooming is proposed to replace existing manual process. Camera len-shake estimation is employed to measure camera quality during zooming. Typically, camera len-shake estimation has been performed by a human-operated procedure that requires repetitive operations in a time-consuming process. In this paper, a fast and efficient automatic estimation approach has been proposed. The seemingly novel approach has been validated by experimenting with an industrial pan-tilt-zoom video camera. The estimated camera len-shake is comparable with the estimate from existing manual operation. The proposed approach not only can ensure quality control of the production line, but also can improve efficiency and reliability of factory automation.