Scalable coding and shape coding are two pivotal techniques in MPEG-4 video coding.
可扩展编码和形状编码技术是MPEG - 4视频编码部分的两个关键技术。
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。
Coding of arbitrarily shaped image is one of the core techniques in MPEG 4 video compression. One approach to transform an arbitrarily shaped image region is addressed.
任意形状图象对象的变换编码方法是MPEG -4视频编码实现的核心技术之一。
On the basis of analyzing the correlation between disparity vector and motion vector, a fast disparity correspondence estimation algorithm for stereo video coding, based on MPEG-2, was presented.
本文在分析立体图象序列的视差矢量与运动矢量之间的相关性的基础上,提出一种基于MPEG - 2的立体视频编码中的视差匹配快速算法。
A new ROI video coding method is presented based on MPEG-4.
本文提出了一种基于MPEG 4的感兴趣区域视频编码新方法。
Automatic segmentation of moving objects in video sequences is a significant technology for implementing emerging object-based video coding standard MPEG-4.
视频运动对象的自动分割是实现新一代对象基视频编码标准MPEG - 4的重要技术,本文提出了一种基于帧内图像分区的运动对象自动分割算法。
MPEG-4 standards are described in brief. Based on this, audio object coding and video object coding are emphasized.
简要介绍了MPEG - 4标准的主要内容在此基础上着重介绍了音频对象的编码和视频对象的编码。
At present, the MPEG-2 coding standard set down by Moving Pictures Expert Group is adopted largely in digital video field.
目前,数字视频领域普遍采用运动图像专家组(MPEG)制定的MPEG - 2编码标准。
When building a video transfer system, coding standard, such as JPEG, MPEG, H.
实现一个视频传输系统时,视频编码标准一般采用JPEG、MPEG、H。
In the framework of the MPEG 4 coding system, the automatic or semiautomatic video sequence segmentation plays a key role in supporting the features of content based coding.
在MPEG -4编码系统框架中,为支持基于内容的编码性能,视频自动、半自动分割成为关键技术之一。
The fine granularity scalability(FGS) video coding is an important technique in the MPEG-4 streaming profile.
在MPEG-4标准的视频流化框架中,精细的可伸缩性视频编码FGS是关键的编码技术。
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。
Compared with the first generation standard, a significant character of MPEG-4 is object-based coding which means to code videos as a set of semantic video objects.
相比与第一压缩标准,MPEG - 4最显著的特点之一就是提出了基于对象的编码方式。
Firstly, we provide an overview of MPEG-4 video compression encoding standard, chiefly introduce the basic coding principle and encoding scheme based on content.
本文首先对MPEG - 4编码标准原理进行了综述,并介绍了该标准的基本编码原理和基于内容的编码体系。
Extracting the video object is a key technology in content-based video coding such as MPEG-4.
提取视频对象是基于内容的视频,如MPEG - 4编码的关键技术之一。
The new video coding standard MPEG-4 is enabling content-based function. It needs for the segmentation of semantically meaningful moving object in video sequences.
随着新的视频压缩标准MPEG - 4的出现,如何从视频序列中分割出在语义上有意义的单独运动对象显得极其重要。
It utilized MPEG-4, one of video coding standard based on content, to encode the video stream, which can result in higher encoding rate and better encoding quality.
采用基于内容的MPEG - 4视频编码标准进行压缩,得到较高的压缩比和压缩质量。
Fast and efficient disparity correspondence of stereo video coding based on MPEG-2 is a key technology in stereo video processing.
高效、快速的视差匹配是立体视频处理中的一项关键技术。
MPEG-4 is one of the most influence multimedia data coding standard. The video object method makes it have higher compression ratio, flexible, interactive characteristic.
MPEG - 4标准是现在最重要最有影响力的多媒体数据压缩编码国际标准之一,基于对象的编码思想使其具有高压缩比、可扩展性、可交互性等许多优点。
And the new patent licensing policy introduced by MPEG-4 is considered to be too harsh and unacceptable. Many such reasons urgently need a new audio video coding standard to be introduced.
而MPEG - 4出台的新专利许可政策被认为过于苛刻无法接受,诸多此类原因都迫切需要一种新的视频编码标准出台。
For efficient transmission and storage of 3dtv video signal compatible with 2dtv system the paper demonstrates the coding method of 3dtv video based MPEG 2.
论证了基于MPEG2的3dtv视频压缩编码方案,以实现3dtv视频信号的高效传输和存储,并兼容目前的2dtv系统。
For efficient transmission and storage of 3dtv video signal compatible with 2dtv system the paper demonstrates the coding method of 3dtv video based MPEG 2.
论证了基于MPEG2的3dtv视频压缩编码方案,以实现3dtv视频信号的高效传输和存储,并兼容目前的2dtv系统。
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