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Content Provider | IEEE Xplore Digital Library |
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Author | Han Chen Kai Li Bin Wei |
Copyright Year | 2002 |
Description | Author affiliation: Princeton University (Han Chen) |
Abstract | T his paper presents a hierarchical parallel MPEG-2 decoder for playing ultra-high-resolution videos on PC cluster based tiled display systems. To maximize parallelism while minimizing the communication requirements for a PC cluster, our algorithm uses a two-level splitter approach, where a root splitter splits an MPEG-2 video stream at the picture level and passes them to k second-level splitters, each of which splits the pictures into macroblocks and sends them to m x n decoders according to their screen locations. Our experiments with various configurations show that this system is highly scalable and has a low and balanced communication requirement among the PC nodes. On a 4 x 4 display wall system driven by 21 PCs, the implementation can play back a 3840 x 2800 video at 38.9 frames/second. |
Sponsorship | IEEE Comput. Soc. Tech. Committee on Parallel Process. IEEE Comput. Soc. Tech. Committee on Comput. Architecture IEEE Comput. Soc. Tech. Committee on Distributed Process. ACM SIGARCH |
File Size | 663284 |
File Format | |
ISBN | 0769515738 |
DOI | 10.1109/IPDPS.2002.1015470 |
Language | English |
Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
Publisher Date | 2001-04-15 |
Publisher Place | USA |
Access Restriction | Subscribed |
Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
Subject Keyword | Decoding Displays Streaming media Transform coding High definition video HDTV Video compression Discrete cosine transforms Clustering algorithms Personal communication networks |
Content Type | Text |
Resource Type | Article |
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