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Adaptive video coding rate control for better perceived picture quality in time-varying channels

机译:自适应视频编码率控制,可在时变信道中更好地感知图像质量

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摘要

A new adaptive video rate control scheme that makes the perceived picture quality of the reconstructed video as uniform as possible for time-varying bandwidth channels is presented. The proposed scheme dynamically skips the frames or adjusts the quantization parameters in a frame-basis according to the frame coding mode (FCM). It exploits the human visual perception that human eyes are less sensitive to quantization noise in a rapid-motion video and to frame-skipping in a slow-motion video. Simulation results demonstrate that the proposed adaptive rate control scheme can provide a better-perceived picture quality than the existing method (TMN-8).
机译:提出了一种新的自适应视频速率控制方案,该方案可使随时间变化的带宽信道的重构视频的感知图像质量尽可能均匀。所提出的方案根据帧编码模式(FCM)动态地跳过帧或以帧为基础调整量化参数。它利用了人类的视觉感知,即人眼对快速运动视频中的量化噪声和慢动作视频中的跳帧不太敏感。仿真结果表明,所提出的自适应速率控制方案比现有方法(TMN-8)可以提供更好的图像质量。

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