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We propose a luminance scalable video coding scheme (LSC) that uses the scalable video coding (SVC) extension of H.264/AVC to reduce the power consumption of mobile devices. The insufficient battery life of mobile hand-held devices is the main obstacle for mobile video applications. In particular, liquid crystal displays consume a large portion of the system power. Building on previous power reduction...
Video streams can be compressed to fit the available network by controlling three factors; temporal resolution, spatial resolution and picture quality. Controlling picture quality by modifying the quantization parameter (QP) is most widely used. But we demonstrate that reducing the spatial resolution is more effective in a low bit-rate environment, and we show how to find the optimal spatial resolution...
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