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Title: Adopting SP/SI-frames in dual-bitstream video streaming with VCR support
Authors: Ip, TP
Chan, YL 
Siu, WC 
Issue Date: 2006
Source: 2006 IEEE International Conference on Acoustics, Speech, and Signal Processing : proceedings : May 14-19, 2006, Centre de Congrès Pierre Baudis, Toulouse, France, p. II549-II552
Abstract: Digital video cassette recording (VCR) operations such as fast-forward and fast-reverse playbacks enable quick and user-friendly browsing of video. However, the predictive techniques adopted in current video standards severely complicate these operations. One approach to implement the fast-forward/reverse playback is to store an additional reverse-encoded bitstream into the server. Once a client requests a fast- forward/reverse operation, the server can select an appropriate frame for the client from either the forward or reverse-encoded bitstreams to reduce the network traffic and the decoder complexity. Unfortunately, the forward and reverse-encoded bitstreams are encoded separately. The frame that has previously decoded by the client may not be exactly identical to the reference of the current selected frame and the mismatch problem occurs frequently. In this paper, a novel H.264 dual-bitstream scheme aiming at providing fast-forward/reverse playback based on SP/SI-frames is proposed to eliminate mismatch errors during switching between the forward and reverse encoded bitstreams. As a result, the proposed scheme enhances the performance of the conventional dual bitstream scheme.
Keywords: Video streaming system
Dual-bitstream scheme
Streaming video
Video cassette recording
Publisher: IEEE
ISBN: 142440469X
Rights: © 2006 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.
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