具有参数化比特率分配标准的通用统计多路复用器

Médéric Blestel, M. Ropert, W. Hamidouche
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引用次数: 1

摘要

本文主要研究视频流的统计复用问题。动态比特率分配用于提高信道池的整体视频质量。平衡是通过向复杂通道提供更多的比特来实现的,而对非复杂通道进行剥夺。在本研究中,考虑了几个压缩视频的误差最小化优化以及不同的指标,以展示在所有通道之间共享比特率的重分区密钥。这种方法的目标是引入一个能够管理通道之间的位传输的反应性参数。在两个特定值上验证了参数化模型的有效性,并与静态重划分解进行了比较。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Generic statistical multiplexer with a parametrized bitrate allocation criteria
In this paper, we address the problem of the statistical multiplexing of video streams. Dynamic bitrate allocation is used to improve the overall video quality of a pool of channels. The balance is obtained by providing more bits to complex channels, while deprivations are applied to non-complex ones. In this study, the error minimization optimization of several compressed video is considered along with different metrics in order to exhibit a repartition key for bitrate sharing among all the channels. The goal of this approach is to introduce a reactivity parameter able to manage the bit transfer between channels. The validity of the parametric model is verified on two particular values, and compared to a static repartition solution.
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