Publication Type : Journal Article
Publisher : Advances in Intelligent Systems and Computing.
Source : Advances in Intelligent Systems and Computing, Volume 530, p.533-541 (2016)
Url : https://www.scopus.com/inward/record.uri?eid=2-s2.0-84989830971&partnerID=40&md5=7ae2f25f3103cdc83c463767da0c67bb
Campus : Amritapuri
School : Department of Computer Science and Engineering
Department : Computer Science
Year : 2016
Abstract : eLearning systems have become essential in enabling lectures from experts accessible to masses spread across distant geographic location. The digital representation of different components in the instructor’s environment, such as the presentation screen and the instructor’s video, in a remote location is often spatially disconnected. This results in missing out spatially related gestural cues such as pointing at the screen by the instructor. This paper discusses a method of creating a spatially connected, close to natural view of the instructor’s environment by overlaying the instructor’s video defined by his contour over the presentation screen content. This technique involves a calibration step required to match the camera perspectives of the different video components. We present a real-time and robust calibration technique allowing for automatic recalibration in a dynamic classroom scenario which involves changes in camera position and pan, tilt and zoom parameters. © Springer International Publishing AG 2016.
Cite this Research Publication : Uma Gopalakrishnan, Ramkumar, N., P. Rangan, V., and Balaji Hariharan, “Multilayered presentation architecture in intelligent eLearning systems”, Advances in Intelligent Systems and Computing, vol. 530, pp. 533-541, 2016.