Different flavors of coffee are distinguished by capsules of different colors. One plate of coffee capsules is used as the standard group, and the other plate of coffee capsules is used as the control group. Using SolVision's Feature Detection tool, the images of each coffee capsule are learned. If any coffee capsule is placed incorrectly in the plate, SolVision can immediately detect the error and mark it with a box. It can successfully identify coffee capsules with high reflection and small color difference.