VOP

A VOP Segmentation Algorithm Based on the Classification of Regions

基于区域分类的视频运动对象的分割算法

Application of High Performance DSP in VoP Media Gateway

高性能DSP在VoP媒体网关中的应用

Second , some popular spatial and temporal technology about the VOP segmentation were introduced .

第二章介绍现有的视频对象分割技术。

The model of VOP is initiated simply and efficiently .

VOP模型初始化简单实用。

Arbitrary shape VOP coding using subband DCT with a new region partitioning method is proposed .

提出了采用子带DCT并结合一种区域分割技术对任意形状的VOP进行编码的方法。

The key technology involved in the MPEG 4 video coding is analyzed in detail as follows : VOP generation ;

接着分析了自然视频编码中涉及到的关键技术，包括：VOP的产生；

The experimental results show that the ellipsometry with a new parameter VOP could be analyzed qualitatively for the electrochemical systems effectively .

用新物理量Vop的椭圆法定性地分析电化学体系已十分有效。

Optimized VOP Processors for Packet Networks

为分组网而优化VoP处理器

It decomposes sequences into video object planes ( VOPs ) so that each VOP represents one moving object .

它把图像序列分解成视频对象平面（VOP），每个VOP代表一个运动对象。

In pacing group amount of adenosine transitorily increased during VOP preconditioning , and rerun higher at the stage of ischemia and reperfusion .

起搏组血清腺苷含量于预处理时一过性增高，并在缺血期再度明显增高。

The standard MPEG-4 , which is currently being developed , enables content-based functionalities by introducing the concept of video object planes ( VOP 's ) .

正在兴起的MPEG-4视频编码标准由于引入了视频对象平面（VOP）的概念而具备基于内容的交互功能。

Parallel is mainly reflected in two aspects . One is the separate coded of the video object in the encoder , the other is the motion estimation algorithm among the VOP .

并行性主要体现在以下两个方面：不同视频对象在编码器中分别单独进行处理；VOP帧间编码时的运动估计算法。

MPEG-4 focuses on the interaction and operation of the content of image . VOP and sprite are important concept in MPEG-4 , and they are important methods which implement low bit rate transfer .

MPEG-4将重点放在图像内容的交互性和可操作性上，视频对象平面VOP和Sprite是MPEG-4中的两个重要概念，是实现极低比特率传输的重要方法。

In order to support content based functions in the visual standard of MPEG 4 , each frame of video sequences should be represented in terms of video object planes ( VOP 's ) .

在MPEG-4视频编码标准中，为了实现基于视频内容的交互功能，其视频序列的每一帧由视频对象面（VOP）来表示。

An algorithm of adaptive rood pattern search using the characteristic of different kinds of block ( ARPS-CB - VOP ) were proposed , in which the different strategy was used for different kinds of block .

提出的利用VOP的块特性的自适应十字搜索模式运动估计法（ARPS-CB-VOP）充分利用VOP的块的特性，不同的块采用不同的运动估计策略。

The VOP ( Video Object Planes ) concept was put forward in the MPEG-4 ( Moving Picture Experts Group-4 ) standard . The content-based operation will be realized through VOP .

在MPEG-4标准中提出了VOP（VideoObjectPlanes）的概念，可以通过VOP实现基于内容的操作。

Video coding standard MPEG-4 has a based-on content function which can be applied to some fields . To support this function and improve coding efficiency , one frame of video sequence should be decomposed to video object planes ( VOP ) .

视频编码标准MPEG-4增加了适用于多种应用的基于视频内容的功能，为了支持这一功能和提高编码效率，MPEG-4将视频序列中的每一帧分解成视频对象面（VOP）。

In order to realize texture decoding in MPEG-4 criteria , this article uses variable length decoding to realize the DC coefficients in an intra block , resolves the texture information of a VOP . The decoder shall recover visual data from the coded bit-stream .

为实现MPEG-4标准中的纹理解码，采用变长解码实现内部码块的DC系数解码，解析出VOP中的纹理信息，然后解码器从编码流中恢复视频对象。

The new coding standard MPEG-4 adopts content-based coding method . In the MPEG-4 , each frame of a video sequence is segmented into semantically meaningful objects which are called video object planes ( VOP 's ), and different encoding tools are applied to each VOP .

新一代的编码标准MPEG-4采用基于内容的视频编码，即在编码之前首先将视频场景划分成若干视频对象（VOP），然后根据各个视频对象的特征对不同的视频对象采取不同的编码方法。

Paresthesia was the most common response and occurred 47.1 % , pain was only seen 1 site in vc nuclei , warm / cold and vertigo was seen from vop , vim , vc , nucleus , no responses were seen 43.8 % .

诱发感觉异常最常见，47.1%。诱发疼痛反应仅一个，位于VC核，温/冷和眩晕反应，分别位于VOP核，Vim核和VC核，43.8%位点未出现诱发反应。

In this paper , an approach based on motion is presented for Video Object Plane ( VOP ) segmentation in MPEG-4.The basic idea of the approach is to detect independent motion component ( IMC ) by difference in velocity between local motion of foreground and global motion of background .

本文提出运动法实现MPEG-4帧视频对象（VOP）的自动分割。该方法的基本思想是利用前景的局部运动与背景的全局运动的差别检测出相应独立运动部件。