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http://hdl.handle.net/10397/276
| Title: | Region-based object tracking for multipoint video conferencing using wavelet transform | Authors: | Fung, KT Law, NFB Siu, WC |
Issue Date: | 2001 | Source: | IEEE International Conference on Consumer Electronics : 20th ICCE : June 19-21, 2001, p. 268-269 | Abstract: | The main features of our proposed wavelet-based video coder include: 1) a user-specified region of interest selection as to which the region can be changed by the user at any I-frame; 2) a dynamic region tracking technique by which the video is tracked and updated according to motion activity and 3) an adaptive bit allocation that allows the user to specify the relative quality between the foreground and the background. This architecture guarantees a high video quality in the region of interest while reducing the overall bit rate and the computation time. Experimental results confirm that the approach produces a good video quality even under low bit rates. | Keywords: | Multipoint video conferencing Wavelet-based video coder Video compression Video encoder |
Publisher: | IEEE | ISBN: | 0-7803-6622-0 | Rights: | © 2001 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE. This material is presented to ensure timely dissemination of scholarly and technical work. Copyright and all rights therein are retained by authors or by other copyright holders. All persons copying this information are expected to adhere to the terms and constraints invoked by each author's copyright. In most cases, these works may not be reposted without the explicit permission of the copyright holder. |
| Appears in Collections: | Conference Paper |
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| region-based_01.pdf | 256.14 kB | Adobe PDF | View/Open |
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