EXTRACTION METHOD FOR INSPECTION AREAS OF HARD DISK HUBS AND HARD DISK INSPECTION DEVICE USING SAME

摘要

The present invention relates to an extraction method for inspection areas of hard disk hubs comprising the steps of: searching for a center point on an acquired hard disk hub image; extracting an inspection area of each band for the hub image based on the center point; mapping each inspection area of the extracted band to a rectangular shaped area, and can accurately extract an inspection area from a circular shaped hard disk hub image and accurately test whether the hard disk hub image has a damaged area.;COPYRIGHT KIPO 2015