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In this paper, a multilevel cross-layer feedback based adaptive video coding scheme is proposed to enhance the robustness of the wireless video transmission. Two level cross-layer feedbacks are developed in this work to achieve timely and accurate channel-aware: one is the feedback from physical (PHY) to applying (APP) layer, named PHY-APP feedback, which is used to get the available bandwidth of...
Limited by the restriction of bandwidth, it is difficult to meet the high quality and low-time-delay requirements simultaneously for the practical wireless video surveillance systems. In this paper, a dual-stream coding and transporting scheme is proposed to provide one possible solution. In the proposed system, two streams for one surveillance video are generated: one is low-bitrate coded and transported...
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