基于时间预测方法的普通视频自适应低功耗解码过程

Wenxin Yu, Ning Jiang, Xin Jin, S. Goto
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引用次数: 2

摘要

介绍了一种基于时间预测的普通视频自适应低功耗解码方法。该方法可以通过跳过部分帧的解码过程,降低帧率来缩短解码时间,降低解码功耗。它具有时间预测功能,不同于采用降帧转换方法(TSDP)[2]的时间可扩展译码过程中的某些跳帧方案。该方法考虑了跳过当前帧时的视频质量损失,选择了成本最小的跳过方案,因此该方法也可用于常见的视频情况。与采用降帧转换方法的时间可扩展解码过程相比,在实验常见视频情况下,采用时间预测方法的视频质量(PSNR)提高了0.01 ~ 2.4 dB左右。并且可以根据跳过帧的个数来减少解码时间,与实验情况下的帧率降低相比,可以减少65% ~ 86%的解码时间。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Adaptive low power decoding process with temporal prediction method for common video
This paper introduces an adaptive low power decoding process with temporal prediction method for common video. This method can be used to reduce the decoding time and reduce the decoding power consumption by skipping the decoding process of some frames and reducing the frame rate. With the temporal prediction, it is different from the certain frame skipping scheme in the temporal scalable decoding process with frame rate down conversion method (TSDP) [2]. This method considers the video quality loss when the current frame is skipped and chooses the skipping scheme which causes minimum cost, so this method can be also used in the common video cases. And compares with the temporal scalable decoding process with frame rate down conversion method, the video quality (PSNR) is improved about 0.01 – 2.4 dB in the experimental common video cases by using the temporal prediction method. And can reduce the decoding time based on the number of the skipped frames, and it can get about 65% – 86% reduction which compares with the frame rate reduction in the experimental cases.
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