Packing is widely used in machinery to prevent fluid from leaking. Under the pressure of high productivity and high quality, current method using bare eye to inspect becomes inadequate. In view of that, we developed a machine vision-based system for detec Packing is widely used in machinery to prevent fluid from leaking. Under the pressure of high productivity and high quality, current method using bare eye to inspect becomes inadequate. In view of that, we developed a machine vision-based system for detec