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In this paper, we propose an energy-efficient joint video encoding and transmission framework for network lifetime extension, under an end-to-end video quality constraint in the Wireless Video Sensor Networks (WVSN). This framework integrates an energy-efficient and adaptive intra-only video encoding scheme based on the H.264/AVC standard, that outputs two service differentiated macroblocks categories,...
This paper proposes a model to predict the energy consumption of a H.264/AVC intra-only based encoder designed for the wireless video sensor networks (WVSNs). Such model is of great interest in an energy-constrained context like the WVSN, where the video streams are processed prior to transmission. In fact, accounting for both processing's and transmission's consumed energies allows the optimization...
This paper presents an energy efficient adaptive video compression scheme dedicated to wireless video sensor networks. This scheme based on the recent H.264/AVC standard operates using two modes, namely the standby mode and the rush mode. In the standby mode, frame rate is limited while image quality is maintained to a high level. In the rush mode, the frame rate is increased and the Flexible Macroblock...
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