PU-Packing is widely used in machinery to prevent fluid from leaking. Due to the high demand for productivity and quality, bare-eye-inspection approach becomes extremely inadequate. In view of that, we developed a machine-vision-based system for detecting PU-Packing is widely used in machinery to prevent fluid from leaking. Due to the high demand for productivity and quality, bare-eye-inspection approach becomes extremely inadequate. In view of that, we developed a machine-vision-based system for detecting