{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,11,2]],"date-time":"2025-11-02T03:02:33Z","timestamp":1762052553996,"version":"build-2065373602"},"reference-count":22,"publisher":"MDPI AG","issue":"5","license":[{"start":{"date-parts":[[2022,5,12]],"date-time":"2022-05-12T00:00:00Z","timestamp":1652313600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"European Union\u2019s Horizon 2020 research and innovation program","award":["813789"],"award-info":[{"award-number":["813789"]}]},{"name":"French National Research Agency (ANR)","award":["813789"],"award-info":[{"award-number":["813789"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["J. Imaging"],"abstract":"<jats:p>Multi-light acquisitions and modeling are well-studied techniques for characterizing surface geometry, widely used in the cultural heritage field. Current systems that are used to perform this kind of acquisition are mainly free-form or dome-based. Both of them have constraints in terms of reproducibility, limitations on the size of objects being acquired, speed, and portability. This paper presents a novel robotic arm-based system design, which we call LightBot, as well as its applications in reflectance transformation imaging (RTI) in particular. The proposed model alleviates some of the limitations observed in the case of free-form or dome-based systems. It allows the automation and reproducibility of one or a series of acquisitions adapting to a given surface in two-dimensional space.<\/jats:p>","DOI":"10.3390\/jimaging8050134","type":"journal-article","created":{"date-parts":[[2022,5,12]],"date-time":"2022-05-12T21:46:53Z","timestamp":1652392013000},"page":"134","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":11,"title":["LightBot: A Multi-Light Position Robotic Acquisition System for Adaptive Capturing of Cultural Heritage Surfaces"],"prefix":"10.3390","volume":"8","author":[{"given":"Ramamoorthy","family":"Luxman","sequence":"first","affiliation":[{"name":"Laboratory of Imaging and Artificial Vision, Universit\u00e9 de Bourgogne Franche-Compt\u00e9, 21000 Dijon, France"}]},{"given":"Yuly Emilia","family":"Castro","sequence":"additional","affiliation":[{"name":"Laboratory of Imaging and Artificial Vision, Universit\u00e9 de Bourgogne Franche-Compt\u00e9, 21000 Dijon, France"}]},{"given":"Hermine","family":"Chatoux","sequence":"additional","affiliation":[{"name":"Laboratory of Imaging and Artificial Vision, Universit\u00e9 de Bourgogne Franche-Compt\u00e9, 21000 Dijon, France"}]},{"given":"Marvin","family":"Nurit","sequence":"additional","affiliation":[{"name":"Laboratory of Imaging and Artificial Vision, Universit\u00e9 de Bourgogne Franche-Compt\u00e9, 21000 Dijon, France"}]},{"given":"Amalia","family":"Siatou","sequence":"additional","affiliation":[{"name":"Laboratory of Imaging and Artificial Vision, Universit\u00e9 de Bourgogne Franche-Compt\u00e9, 21000 Dijon, France"},{"name":"Haute Ecole Arc Conservation-Restauration, HES-SO, University of Applied Sciences and Arts Western Switzerland, 2000 Neuch\u00e2tel, Switzerland"}]},{"given":"Ga\u00ebtan","family":"Le Go\u00efc","sequence":"additional","affiliation":[{"name":"Laboratory of Imaging and Artificial Vision, Universit\u00e9 de Bourgogne Franche-Compt\u00e9, 21000 Dijon, France"}]},{"given":"Laura","family":"Brambilla","sequence":"additional","affiliation":[{"name":"Haute Ecole Arc Conservation-Restauration, HES-SO, University of Applied Sciences and Arts Western Switzerland, 2000 Neuch\u00e2tel, Switzerland"}]},{"given":"Christian","family":"Degrigny","sequence":"additional","affiliation":[{"name":"Haute Ecole Arc Conservation-Restauration, HES-SO, University of Applied Sciences and Arts Western Switzerland, 2000 Neuch\u00e2tel, Switzerland"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-0963-1565","authenticated-orcid":false,"given":"Franck","family":"Marzani","sequence":"additional","affiliation":[{"name":"Laboratory of Imaging and Artificial Vision, Universit\u00e9 de Bourgogne Franche-Compt\u00e9, 21000 Dijon, France"}]},{"given":"Alamin","family":"Mansouri","sequence":"additional","affiliation":[{"name":"Laboratory of Imaging and Artificial Vision, Universit\u00e9 de Bourgogne Franche-Compt\u00e9, 21000 Dijon, France"}]}],"member":"1968","published-online":{"date-parts":[[2022,5,12]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"136","DOI":"10.1117\/12.956740","article-title":"Photometric stereo: A reflectance map technique for determining surface orientation from image intensity","volume":"Volume 155","author":"Woodham","year":"1979","journal-title":"Image Understanding Systems and Industrial Applications I"},{"key":"ref_2","unstructured":"Roussou, M., and Leigh, J. 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