Projector camera systems
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Projector-camera systems (pro-cam), also called camera-projector systems,[1] augment a local surface with a projected captured image of a remote surface, creating a shared workspace for remote collaboration and communication. Projector-camera systems may also be used for artistic and entertainment purposes.[2] A pro-cam system consists of a vertical screen for implementing interpersonal space where front-facing videos are displayed, and a horizontal projected screen on the tabletop for implementing shared workspace where downward facing videos are overlapped. An automatically pre-warped image is sent to the projector to ensure that the horizontal screen appears undistorted.[1]
Examples
[edit]Pro-cam systems create a shared workspace between users with overlapping video technique which was invented by the researcher John Tang in Xerox PARC, 1991.[3]
Digital Desk and Double Digital Desk was the first prototypes of pro-cam systems developed by Xerox Research Center Europe.
ShareTable was the first prototype which is deployed in the field and tested with real users created by Lana Yarosh et al. at 2009.[4][5]
Microsoft Research has introduced the IllumiShare system which was an application of pro-cam systems at 2012.[6]
HP Inc. created a consumer pro-cam product named Sprout and released to market at the end of 2014.[7]
References
[edit]- ^ a b Sukthankar, Rahul. "Smart Projectors: Camera-Projector Systems". www.cs.cmu.edu. Retrieved 4 January 2017.
- ^ Bimber, Oliver; Yang, Xubo (1 January 2009). "Projector-Camera Systems in Entertainment and Art". Handbook of Multimedia for Digital Entertainment and Arts. pp. 471–496. doi:10.1007/978-0-387-89024-1_21. ISBN 978-0-387-89023-4.
- ^ Tang, John C.; Minneman, Scott L. (1990-01-01). "VideoDraw: A video interface for collaborative drawing". Proceedings of the SIGCHI conference on Human factors in computing systems Empowering people - CHI '90. CHI '90. New York, NY, USA: ACM. pp. 313–320. doi:10.1145/97243.97302. ISBN 978-0201509328. S2CID 16650042.
- ^ Yarosh, Svetlana; Cuzzort, Stephen; Müller, Hendrik; Abowd, Gregory D. (2009-01-01). "Developing a media space for remote synchronous parent-child interaction". Proceedings of the 8th International Conference on Interaction Design and Children. IDC '09. New York, NY, USA: ACM. pp. 97–105. doi:10.1145/1551788.1551806. ISBN 9781605583952. S2CID 16598004.
- ^ Yarosh, Svetlana; Tang, Anthony; Mokashi, Sanika; Abowd, Gregory D. (2013-01-01). ""almost touching"". Proceedings of the 2013 conference on Computer supported cooperative work. CSCW '13. New York, NY, USA: ACM. pp. 181–192. doi:10.1145/2441776.2441798. ISBN 9781450313315. S2CID 18011295.
- ^ Junuzovic, Sasa; Inkpen, Kori; Blank, Tom; Gupta, Anoop (2012-01-01). "IllumiShare". Proceedings of the SIGCHI Conference on Human Factors in Computing Systems. CHI '12. New York, NY, USA: ACM. pp. 1919–1928. doi:10.1145/2207676.2208333. ISBN 9781450310154. S2CID 14078287.
- ^ Westover, Brian. "Hands On With the Weird But Intriguing HP Sprout". PCMAG. Retrieved 4 January 2017.