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引用次数: 0
摘要
视频内容在今天变得非常流行，并主导着互联网流量，并且正在进行各种设计和实现QOS(服务质量)服务的努力。在网络传输过程中，存在丢包现象，带宽负载变化较大。此外，网络拥塞降低了视频数据的传输速率。本研究提出了一种新的视频编码，即HEVC (High-Efficiency video Coding)，其输出具有多重可扩展性，包括信噪比(SNR)、空间和时间可扩展性。结果表明，使用多重可扩展性技术比使用单一可扩展性技术获得更好的性能，这体现在视频质量的平均PSNR(峰值信噪比)的提高上。
Improved HEVC Video Encoding Quality With Multi Scalability Techniques
Video content becomes very popular today and dominates internet traffic, and various efforts to design and implement QOS (Quality of Service) services are being carried out. During its transmission through network, there are lost packets and significant variations in the load on the bandwidth. Moreover, network congestion degrades the video data transmission rate. This study offers a new video encoding, namely HEVC (High-Efficiency Video Coding), with multi-scalability in its output, including SNR (Signal to Noise Ratio), spatial and temporal scalability. The results showed that the use of multi scalability techniques resulted in better performance than the single scalability indicated by the increase in the average PSNR (Peak Signal to Noise Ratio) in video quality.
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