The structure of the 4th edition of MPEG-4 video verification model and the main coding tools and algorithms are described.
文中描述了第四版MPEG-4视频验证模型的结构及其提供的主要编码工具和算法。
Since the model based coding being presented from early 80's, it has got extensive attention as a video coding method due to high subject image quality and low bit rates.
模型基图像编码自80年代初提出后，由于在低码率情况下有高的主观图像质量，作为视频编码的方法得到了广泛的重视。
By analyzing human physiological audio system and its masking effect, this paper illustrates the psychoacoustic model in audio part of the ISO video coding standard MPEG1.
介绍了人耳生理系统和掩蔽效应的特性，并阐述了视音频压缩标准MPEG1音频部分的心理声学模型。
The two basic component of rate-distortion model based on Lagrange multiplier in video coding are distortion and rate.
视频通信中的基于拉格朗日乘子法的率失真模型的两个基本组成部分是失真度和比特率。
Based on the features of low coding rate video encoding, we improved the control strategy of quantization step and coding rate in the simulation program TMN - 2. 0 of H. 263 test model (TMN5).
文章根据低码率图像编码的特点，对H。263测试模型(TMN5)的仿真程序tmn- 2.0中的量化级和码率控制策略的不足之处进行了合理的改进。
The utility model also provides a transmission method of the cylindrical panoramic video block coding based on the block size computed by the calculation method.
本发明根据上述方法计算的块尺寸又提供了一种全景视频进行分块编码传输的方法。
In this thesis, MPEG-4 model-based coding for facial video object is investigated. The whole codec system is generally discussed and divided into two parts of Analysis and Synthesis.
本文研究了MPEG - 4中人脸视频对象的模型基编码，对整个系统进行了全面的分析，将系统按编解码结构分成分析和合成两部分。
In this thesis, MPEG-4 model-based coding for facial video object is investigated. The whole codec system is generally discussed and divided into two parts of Analysis and Synthesis.
本文研究了MPEG - 4中人脸视频对象的模型基编码，对整个系统进行了全面的分析，将系统按编解码结构分成分析和合成两部分。
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