公开(公告)号：US20200211199A1

公开(公告)日：2020-07-02

申请号：US16693360

申请日：2019-11-24

Applicant: CHROMA ATE INC.

Inventor： Ting-Wei CHEN ,  Yu-Hsin LIU ,  Ming-Kai HSUEH

IPC: G06T7/174 ,  G06T7/11 ,  G06T7/00 ,  G06T7/90

Abstract: An image inspection method includes capturing a target object image, which the target object image comprises a plurality of graphical features; choosing a block image comprising a specific graphical feature of the plurality of graphical features from the target object image; capturing all the graphical features of the block image to obtain a region of interest (ROI); executing a filtering process or a recovering process on the ROI to obtain a pre-processed region; and inspecting, according to the pre-processed region, the target object image to determine whether the target object image has defects.