Title:
画像処理センサ、画像処理方法、画像処理プログラム及びコンピュータで読み取り可能な記録媒体並びに記録した機器
Document Type and Number:
Japanese Patent JP6730855
Kind Code:
B2
Abstract:
An image processing sensor includes an image registering unit configured to register a non-defective product image, a defective product image, and a background image, a differential-image generating unit configured to generate a first differential image from the non-defective product image and the background image and generate a second differential image from the defective product image and the background image; a matching-degree calculating unit configured to calculate a matching degree indicating a degree of feature matching of the second differential image with respect to a model image corresponding to the first differential image, and a threshold calculating unit configured to calculate, on the basis of the matching degree, a threshold used in an operation mode.
Inventors:
Hiroshi Azaka
Application Number:
JP2016117055A
Publication Date:
July 29, 2020
Filing Date:
June 13, 2016
Export Citation:
Assignee:
Keyence Corporation
International Classes:
G01N21/88; G06T1/00; H04N5/225
Domestic Patent References:
| JP2014109479A | ||||
| JP7174516A | ||||
| JP8096134A | ||||
| JP2013108798A | ||||
| JP2013142558A | ||||
| JP9091425A | ||||
| JP2009301464A | ||||
| JP11316841A |
Foreign References:
| US6298149 |
Attorney, Agent or Firm:
Yasuhiro Toyosu
Toshisu Koji
Toshisu Koji