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We address channel code rate optimization for transmission of non-scalable coded video sequences over orthogonal frequency division multiplexing networks for scenarios with arbitrary mobility. A slice loss visibility (SLV) model is used to evaluate the visual importance of each H.264 slice. In particular, taking into account both the visibility scores available from the bitstream and the channel state...
Optimization of multimedia transmissions over wireless channels should be aimed at maximizing the video quality perceived by the final user. For transmission of video sequences over an orthogonal frequency division multiplexing (OFDM) system in a slowly varying Rayleigh faded environment, we develop a cross-layer technique, based on a slice loss visibility (SLV) model used to evaluate the visual importance...
We address channel code rate optimization for transmission of non-scalable coded video sequences over orthogonal frequency division multiplexing networks. A slice loss visibility (SLV) model is used to evaluate the visual importance of each H.264 slice. Based on both the SLV model and the frequency diversity order available from the channel, we propose a cross-layer technique to allocate video slices...
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