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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Nishiguchia, S. Morimura, Y. Yashiro, T. Kakusho, K. Minoh, M. |
| Copyright Year | 2009 |
| Description | Author affiliation: Graduate School of Informatics, Kyoto University, Japan (Morimura, Y.; Yashiro, T.) || Faculty of Information Science and Technology, Osaka Institute of Technology, Japan (Nishiguchia, S.) || Academic Center for Computing and Media Studies, Kyoto University, Japan (Kakusho, K.; Minoh, M.) |
| Abstract | We propose a method for synthesizing an undistorted highresolution image of a lecture room. A certain degree of high-resolution videos can be captured using commercially available high-resolution cameras. However, the resolution of objects captured by these cameras is not enough for viewers of a lecture video. To get sufficient high-resolution lecture videos, we synthesize multiple images captured by low cost cameras using a planar perspective projection. However, lecturers are distorted by the projection because they are not planar objects and do not exist on planar objects in a lecture room. To get an undistorted figure of a lecturer, we introduce a fixed-viewpoint projection using a lecturer tracking camera. As a result, we could get more high-resolution images including an undistorted figure of a lecturer than ones captured by a standard high-resolution camera. |
| Starting Page | 974 |
| Ending Page | 977 |
| File Size | 458596 |
| Page Count | 4 |
| File Format | |
| ISBN | 9781424442904 |
| ISSN | 19457871 |
| DOI | 10.1109/ICME.2009.5202659 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2009-06-28 |
| Publisher Place | USA |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Cameras Image resolution Information science Informatics Costs Automatic control Layout Streaming media lecturer tracking camera lecture video synthesizing homography fixed-viewpoint projection |
| Content Type | Text |
| Resource Type | Article |
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