Prism: Handling Packet Loss for Ultra-low Latency Video
Prism: Handling Packet Loss for Ultra-low Latency Video
复制标题
Prism:处理超低延迟视频的丢包
DOI:
10.1145/3503161.3547856
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发表时间:
2022
期刊:
影响因子:
--
通讯作者:
Seshan, Srinivasan
中科院分区:
文献类型:
--
作者:
Ray, Devdeep;Bobadilla Riquelme, Vicente;Seshan, Srinivasan
Real-time interactive video streaming applications like cloud-based video games, AR, and VR require high quality video streams and extremely low end-to-end interaction delays. These requirements cause the QoE to be extremely sensitive to packet losses. Due to the inter-dependency between compressed frames, packet losses stall the video decode pipeline until the lost packets are retransmitted (resulting in stutters and higher delays), or the decoder state is reset using IDR-frames (lower video quality for given bandwidth). Prism is a hybrid predictive-reactive packet loss recovery scheme that uses a split-stream video coding technique to meet the needs of ultra-low latency video streaming applications. Prism's approach enables aggressive loss prediction, rapid loss recovery, and high video quality post-recovery, with zero overhead during normal operation - avoiding the pitfalls of existing approaches. Our evaluation on real video game footage shows that Prism reduces the penalty of using I-frames for recovery by 81%, while achieving 30% lower delay than pure retransmission-based recovery.
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DOI:
10.1109/tcsvt.2003.815165
发表时间:
2003-07-01
影响因子:
8.4
作者:
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通讯作者:
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DOI:
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发表时间:
2003
期刊:
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影响因子:
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作者:
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影响因子:
3.2
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通讯作者:
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DOI:
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发表时间:
2004
期刊:
IEEE Sixth International Symposium on Multimedia Software Engineering
影响因子:
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DOI:
10.1117/12.373536
发表时间:
1999
期刊:
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影响因子:
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通讯作者:
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