{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,7]],"date-time":"2026-03-07T18:30:08Z","timestamp":1772908208874,"version":"3.50.1"},"reference-count":35,"publisher":"MDPI AG","issue":"5","license":[{"start":{"date-parts":[[2018,5,22]],"date-time":"2018-05-22T00:00:00Z","timestamp":1526947200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Sensors"],"abstract":"<jats:p>Machine vision is playing an increasingly important role in industrial applications, and the automated design of image recognition systems has been a subject of intense research. This study has proposed a system for automatically designing the field-of-view (FOV) of a camera, the illumination strength and the parameters in a recognition algorithm. We formulated the design problem as an optimisation problem and used an experiment based on a hierarchical algorithm to solve it. The evaluation experiments using translucent plastics objects showed that the use of the proposed system resulted in an effective solution with a wide FOV, recognition of all objects and 0.32 mm and 0.4\u00b0 maximal positional and angular errors when all the RGB (red, green and blue) for illumination and R channel image for recognition were used. Though all the RGB illumination and grey scale images also provided recognition of all the objects, only a narrow FOV was selected. Moreover, full recognition was not achieved by using only G illumination and a grey-scale image. The results showed that the proposed method can automatically design the FOV, illumination and parameters in the recognition algorithm and that tuning all the RGB illumination is desirable even when single-channel or grey-scale images are used for recognition.<\/jats:p>","DOI":"10.3390\/s18051656","type":"journal-article","created":{"date-parts":[[2018,5,23]],"date-time":"2018-05-23T03:14:24Z","timestamp":1527045264000},"page":"1656","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":7,"title":["Automated Field-of-View, Illumination, and Recognition Algorithm Design of a Vision System for Pick-and-Place Considering Colour Information in Illumination and Images"],"prefix":"10.3390","volume":"18","author":[{"given":"Yibing","family":"Chen","sequence":"first","affiliation":[{"name":"Department of Precision Engineering, the University of Tokyo, Tokyo 113-8656, Japan"}]},{"given":"Taiki","family":"Ogata","sequence":"additional","affiliation":[{"name":"Research into Artifacts, Center for Engineering (RACE), The University of Tokyo, Chiba 277-8568, Japan"}]},{"given":"Tsuyoshi","family":"Ueyama","sequence":"additional","affiliation":[{"name":"Denso Wave Incorporated, Aichi 470-2298, Japan"}]},{"given":"Toshiyuki","family":"Takada","sequence":"additional","affiliation":[{"name":"Denso Wave Incorporated, Aichi 470-2298, Japan"}]},{"given":"Jun","family":"Ota","sequence":"additional","affiliation":[{"name":"Research into Artifacts, Center for Engineering (RACE), The University of Tokyo, Chiba 277-8568, Japan"}]}],"member":"1968","published-online":{"date-parts":[[2018,5,22]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"231","DOI":"10.1006\/cviu.1995.1017","article-title":"A survey of automated visual inspection","volume":"61","author":"Newman","year":"1995","journal-title":"Comput. 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