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公开(公告)号：US20220301137A1
公开(公告)日：2022-09-22
申请号：US17697972
申请日：2022-03-18
Applicant: NIDEC READ CORPORATION
Inventor： Toshihide Matsukawa , Kenichi Akasaka , Hironori Nakamura , Masayuki Tsujimoto
Abstract: An image processing unit including: a pad region extraction unit that executes pad region extraction processing of extracting a substantially rectangular pad region surrounding a plurality of pads from an image of an inspection target object; an imaginary straight line setting unit that executes imaginary straight line setting processing of setting an imaginary first straight line parallel to a side extending in an X direction of the pad region and setting an imaginary second straight line parallel to a side extending in a Y direction of the pad; and a reference point setting unit that executes reference point setting processing of setting an intersection between the first straight line and the second straight line as the reference point.
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公开(公告)号：US12131460B2
公开(公告)日：2024-10-29
申请号：US17697972
申请日：2022-03-18
Applicant: NIDEC READ CORPORATION
Inventor： Toshihide Matsukawa , Kenichi Akasaka , Hironori Nakamura , Masayuki Tsujimoto
CPC classification number: G06T7/001 , G06T5/70 , G06T2207/30108
Abstract: An image processing unit including: a pad region extraction unit that executes pad region extraction processing of extracting a substantially rectangular pad region surrounding a plurality of pads from an image of an inspection target object; an imaginary straight line setting unit that executes imaginary straight line setting processing of setting an imaginary first straight line parallel to a side extending in an X direction of the pad region and setting an imaginary second straight line parallel to a side extending in a Y direction of the pad; and a reference point setting unit that executes reference point setting processing of setting an intersection between the first straight line and the second straight line as the reference point.
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