Quality Adaptation of Intra-only Coded Video Transmission over Wireless Networks
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Variable wireless channel is a big challenge for real-time video applications, and the rate adaptation of realtimevideo streaming becomes a hot topic. Intra-video coding is important for high-quality video communicationand industrial video applications. In this paper, we proposed a novel adaptive scheme for real-time videotransmission with intra-only coding over a wireless network. The key idea of this scheme is to estimate theinstantaneous remaining capacity of the network to adjust the quality of the next several video frames, whichnot only can keep low queuing delay and ensure video quality, but also can respond to bandwidth changesquickly. We compare our scheme with three different schemes in the video transmission system. The experimentalresults show that our scheme has higher bandwidth utilization and faster bandwidth change response,while maintaining low queuing delay.
Abstract
Variable wireless channel is a big challenge for real-time video applications, and the rate adaptation of realtimevideo streaming becomes a hot topic. Intra-video coding is important for high-quality video communicationand industrial video applications. In this paper, we proposed a novel adaptive scheme for real-time videotransmission with intra-only coding over a wireless network. The key idea of this scheme is to estimate theinstantaneous remaining capacity of the network to adjust the quality of the next several video frames, whichnot only can keep low queuing delay and ensure video quality, but also can respond to bandwidth changesquickly. We compare our scheme with three different schemes in the video transmission system. The experimentalresults show that our scheme has higher bandwidth utilization and faster bandwidth change response,while maintaining low queuing delay.
참고문헌 (21)
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