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Video Transport Over Ad-Hoc Networks Using Multiple Paths

Video Transport Over Ad-Hoc Networks Using Multiple Paths. 担当 :irino/okada. Feedback Based Reference Picture Selection. good. path1. encoder. decoder. ACK(0). ACK(2). ACK(4). ACK(6). Frame 8. Frame 6. Frame 2. Frame 4. Frame 0. Frame 10. Frame 0. Frame 0. Frame 2. Frame 2.

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Video Transport Over Ad-Hoc Networks Using Multiple Paths

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  1. Video Transport Over Ad-Hoc Networks Using Multiple Paths 担当:irino/okada

  2. Feedback Based Reference Picture Selection good path1 encoder decoder ACK(0) ACK(2) ACK(4) ACK(6) Frame8 Frame6 Frame2 Frame4 Frame0 Frame10 Frame0 Frame0 Frame 2 Frame 2 Frame4 Frame4 Frame6 Frame6 Frame8 Frame8 Frame10 Frame10 ACK ref ref ref ref ref ref ref ref ref ref Frame1 Frame3 Frame5 Frame7 Frame9 Frame1 Frame3 Frame5 Frame7 Frame9 Frame9 Frame7 NACK ACK NACK(1) NACK(3) NACK(5) ACK(7) path2 good bad

  3. Layered Vide Coding • Enhancement Layerの画像はBase Layerの画像がないとデコードできない

  4. Video Redundancy Coding • 5% macro-block level intra refreshmentsは関係ない 2-5 model 7 9 1 3 5 sync sync 8 10 2 4 6 2-3 model 1 3 5 sync sync 2 4 6

  5. Alternative GOB 1a 1b 2a 2b 3a 3b path1 3a 2a 1a path2 3b 2b 1b

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