It decomposes sequences into video object planes so that each VOP represents one moving object.
它把图像序列分解成视频对象平面，每个VOP代表一个运动对象。
It requires a prior decomposition of sequences into VOPs so that each VOP represents an object. MPEG-4 standard and the development of image segmentation is introduced in this paper.
本论文介绍了MPEG—4的标准、国际上图像分割的发展状况，在此基础上提出了利用空域、时域信息实现MPEG—4视频对象的自动分割。
An intrinsic problem of VOP generation is that objects of interest are not homogeneous with respect to low-level features such as color, intensity, or optical flow.
MPEG-1、MPEG-2、H.261和H.263等经典的视频编码标准由于不需要对场景进行分割或分析，所以从某种意义上说是低级处理技术。
For the RTP packetization strategy, the thesis analyses the packetization algorithm that regards VOP as the unit, and gives an improvement.
回复：物资是一家集着色。每个着色有各种参数，控制其行为在渲染过程中。
In this dissertation, we describe the structure of MPEG-4 system with an emphasis put on VOP codec.
在本文中，我们描述了MPEG-4系统的结构，重点放在视频对象平面的编解码上。
The approach of automatic segmentation of VOP's based in spatio-temporal information is proposed, and is discussed in details.
探讨了从自然视频系列中得到VOP的典型方法和算法，分别从方法的思想、算法内容和步骤、算法的优缺点进行分析。
The approach of automatic segmentation of VOP`s based in spatio-temporal information is proposed, and is discussed in details.
提出了基于时空信息的自动分割法，并详细论述该算法的过程。
The representative methods and algorithms of VOP`s shape coding are discussed, and the idea of method, the content and process of algorithm and the advantage and disadvantage of algorithm are analyzed.
探讨了当前典型的形状编码方法和算法，分别从方法的思想、算法内容和步骤、算法的优缺点进行分析。
The representative methods and algorithms of VOP`s texture coding are discussed, and the idea of method, the content and process of algorithm and the advantage and disadvantage of algorithm are analyzed.
探讨了典型的运动估计和补偿方法和算法，分别从其思想、算法内容和步骤、算法的优缺点进行分析。
The representative approaches and algorithms of VOP's motion estimation and compensation for MPEG-4 are discussed, and the idea of method, the content and process of algorithm and the advantage and disadvantage of algorithm are analyzed.
探讨了典型的运动估计和补偿方法和算法，分别从其思想、算法内容和步骤、算法的优缺点进行分析。
If we use every day, finishing Vop99 debris disk, the disk will be optimized in a matter of minutes, the system has been able to maintain the best condition.
如果我们每天都使用Vop99整理磁盘碎片，磁盘将在几分钟内得到优化，系统能够一直保持最佳状态。
The updated model can track rotated, distorted and still VOP.
VOP模型更新能跟踪旋转、变形和静止的VOP。
The principles and structure of the VOP based video coder are analyzed with an emphasis on the coding of shape information, motion information and texture information as well as the scalable coding.
对基于VOP的视频编码器的原理与结构进行了分析，重点讨论了形状编码、运动信息编码、纹理信息编码以及分级编码。
The representative approaches and algorithms of VOP`s motion estimation and compensation for MPEG-4 are discussed, and the idea of method, the content and process of algorithm and the advantage and disadvantage of algorithm are analyzed.
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。首先，VOP的边框内块分三类。当前块为VOP的透明块时，不进行运动估计，由解码端直接生成。
Then, we present a kind of selective encryption method, which integrates aes ofb mode with dc differential coefficents of intra blocks (in i-vop, p-vop and b-vop) in mpeg-4 video. and the encrypting effects are also given. some analysises are carried out as far as the algorithm`s safety, overhead, and performance against bit errors are concerned, based on which this algorithm`s application field and strategy are presented at last.
然后提出了一种基于aes的ofb模式对mpeg-4视频中i-vop中的dc差分系数以及p-vop和b-vop中intra块的dc差分系数进行加密的算法，给出了实际的加密效果，并对该算法的误码性能、安全性、开销等进行了详细的分析，最后基于上述性能分析给出了该算法的应用场合和策略。
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。
This algorithm is very simple and instantaneous for it only decodes some header-information and does some VLC decoding, inverse - scanning, re-scanning, and VLC re-coding on chrominance blocks of B-VOP.
该算法不需要完全解码，只需解码一些头信息及对B-VOP的帧间编码宏块的色块作简单的VLC解码、反扫描、扫描、重编码，没有复杂的运算，实时性好。
After Arnold scrambling, the watermark is directly embedded into direct current coefficient in DCT domain of I-VOP. With embedding and extracting the watermark, it is unnecessary to decode completely. Therefore, the complexity of the operation is greatly decreased, and the real-time gets enhanced.
该方法将水印信息经Arnold置乱后嵌入到视频I帧的色度DCT直流系数（DC）中，水印嵌入和提取时不需要完全解码，大大减少了运算的复杂度，提高了实时性。
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 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。