{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,12]],"date-time":"2025-10-12T04:12:48Z","timestamp":1760242368806,"version":"build-2065373602"},"reference-count":34,"publisher":"MDPI AG","issue":"2","license":[{"start":{"date-parts":[[2017,6,3]],"date-time":"2017-06-03T00:00:00Z","timestamp":1496448000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["J. Imaging"],"abstract":"<jats:p>The geometric calibration of projectors is a demanding task, particularly for the industry of virtual reality simulators. Different methods have been developed during the last decades to retrieve the intrinsic and extrinsic parameters of projectors, most of them being based on planar homographies and some requiring an extended calibration process. The aim of our research work is to design a fast and user-friendly method to provide multi-projector calibration on analytically defined screens, where a sample is shown for a virtual reality Formula 1 simulator that has a cylindrical screen. The proposed method results from the combination of surveying, photogrammetry and image processing approaches, and has been designed by considering the spatial restrictions of virtual reality simulators. The method has been validated from a mathematical point of view, and the complete system\u2014which is currently installed in a shopping mall in Spain\u2014has been tested by different users.<\/jats:p>","DOI":"10.3390\/jimaging3020019","type":"journal-article","created":{"date-parts":[[2017,6,6]],"date-time":"2017-06-06T10:53:09Z","timestamp":1496746389000},"page":"19","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":5,"title":["A Multi-Projector Calibration Method for Virtual Reality Simulators with Analytically Defined Screens"],"prefix":"10.3390","volume":"3","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-4520-2250","authenticated-orcid":false,"given":"Cristina","family":"Portal\u00e9s","sequence":"first","affiliation":[{"name":"Institute of Robotics and Information and Communication Technologies (IRTIC), Universitat de Val\u00e8ncia, 46980 Val\u00e8ncia, Spain"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-0396-4628","authenticated-orcid":false,"given":"Sergio","family":"Casas","sequence":"additional","affiliation":[{"name":"Institute of Robotics and Information and Communication Technologies (IRTIC), Universitat de Val\u00e8ncia, 46980 Val\u00e8ncia, Spain"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9536-7299","authenticated-orcid":false,"given":"Inmaculada","family":"Coma","sequence":"additional","affiliation":[{"name":"Institute of Robotics and Information and Communication Technologies (IRTIC), Universitat de Val\u00e8ncia, 46980 Val\u00e8ncia, Spain"}]},{"given":"Marcos","family":"Fern\u00e1ndez","sequence":"additional","affiliation":[{"name":"Institute of Robotics and Information and Communication Technologies (IRTIC), Universitat de Val\u00e8ncia, 46980 Val\u00e8ncia, Spain"}]}],"member":"1968","published-online":{"date-parts":[[2017,6,3]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"193","DOI":"10.1109\/TVCG.2005.27","article-title":"Camera-based calibration techniques for seamless multiprojector displays","volume":"11","author":"Brown","year":"2005","journal-title":"IEEE Trans. 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