Real-time video rate control algorithm for a wavelet-based compression scheme

E. Balster, Y.F. Zheng
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引用次数: 2

Abstract

This paper presents a rate control algorithm designed for a 3D wavelet-based video compression scheme, used for real-time video transfer. Wavelet compression schemes demand a rate control algorithm for real-time video communication systems. Furthermore, 3D wavelet compression schemes require, a group of frames (GOF) to process the third dimension of wavelet coefficients. The GOF thus produces an inherent delay in the transmission of real-time video. Also, for real-time video transfer, the frame acquisition rate of the server, and the display frame rate of the client must be equal. These factors must be taken in to consideration when developing a control algorithm to supply a constant frame rate from server to client. Our solution to this rate control problem is comprised of a leaky bucket algorithm used in both the client and server sides.
一种基于小波的实时视频速率控制算法压缩方案
本文提出了一种基于三维小波的视频压缩方案的速率控制算法,用于实时视频传输。小波压缩方案需要一种实时视频通信系统的速率控制算法。此外,三维小波压缩方案需要一组帧(GOF)来处理小波系数的三维空间。因此,GOF在实时视频传输中产生了固有的延迟。同时,对于实时视频传输,服务器的帧采集速率和客户端的显示帧速率必须相等。在开发控制算法以提供从服务器到客户端的恒定帧率时,必须考虑到这些因素。我们对这个速率控制问题的解决方案包括在客户端和服务器端使用的漏桶算法。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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