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- W2996810530 abstract "SoftCast has been recently proposed as an original wireless video transmission scheme to deal with the issues encountered by conventional wireless video broadcasting systems (e.g. cliff effect). Lately, a preprocessing method for Soft-Cast that takes into account the asymmetric energy distribution between coefficients has been introduced to significantly improve the received video quality at the price of an increased amount of side information to be transmitted. In this paper, we propose an alternative method based on a zigzag scan that greatly reduces the amount of additional side information (metadata) to be transmitted (75%) and divides the computation time by 2.5 while keeping similar received video quality improvements (up to 5.4dB in terms of PSNR score). Preprocessing performances are compared under different channel signal-to-noise ratios using two metrics: Peak Signal-to-Noise Ratio (PSNR) and Structural SIMilarity (SSIM), showing the effectiveness of the proposed version." @default.
- W2996810530 created "2020-01-10" @default.
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- W2996810530 date "2019-10-01" @default.
- W2996810530 modified "2023-10-12" @default.
- W2996810530 title "A Reduced Complexity/Side Information Preprocessing Method for High Quality Softcast-Based Video Delivery" @default.
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- W2996810530 doi "https://doi.org/10.1109/euvip47703.2019.8946224" @default.
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