2003 | OriginalPaper | Buchkapitel
Nonlinearly Sampled Video Streaming
verfasst von : Xiang Sean Zhou, Yong Rui, Thomas S. Huang
Erschienen in: Exploration of Visual Data
Verlag: Springer US
Enthalten in: Professional Book Archive
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Over low-bit-rate channels, we adopt the streaming of nonlinearly sampled video frames (i.e., key-frame slideshow) synchronized with the audio stream. Given the channel and buffer limits, we wish to obtain a set of sampled frames that is not only feasible (i.e., streamable) but also optimal in terms of maximal information flow (given that the semantic information contents of each frame can be quantified in a way either automatically or manually). Different application scenarios are considered and modeled in a principle way, for which we propose computationally efficient algorithms for finding the global optimal solution.