Firstly, video objects were segmented and their centroids were calculated.
首先进行视频对象分割，求出运动目标的形心。
A key technique in MPEG 4 is extracting video objects from video sequences.
从视频序列中提取视频目标是MPEG -4中的关键技术之一。
This paper brings out a video content hierarchical description model based on video objects.
本文提出了一种基于视频对象的视频内容分级描述模型。
Experiments show that the described algorithm can extract video objects, leading to the segmentation of VOPs.
实验结果表明，该算法可有效地提取视频对象和分割视频对象平面。
Video sequences are divided into shots first, in which video objects segmentation and tracking are implemented.
视频序列首先被分成一个个的镜头，在每个镜头内对视频对象进行分割和跟踪。
Video objects segmentation from video sequence is the key of implementing content-based compression coding method.
从视频序列中分割出视频对象是实现基于内容压缩编码方法的关键。
This paper proposes a new rate control algorithm which can achieve a constant bit rate when coding asynchronous video objects.
针对异步视频对象编码，提出了一种速率控制算法，以达到恒定目标比特率。
Similarly, in an object-based framework of the suggested MPEG-4 standard, key video object can summarize the content of video objects.
类似地，关键视频对象可以表示基于MPEG - 4对象框架的视频内容。
And recently, detection and recognition of video objects is one of the most important research areas in video semantic contents analysis.
作为视频语义内容的最基本表现形式，视频对象的检测和识别在近年来一直是这一领域的研究热点。
A statistical background model is first setup, then the hypothesis testing is applied to the following frames to segment the video objects.
该方法首先建立背景统计模型，然后对后续帧进行假设检验，从而分割出视频对象。
A new approach to extract video objects from video sequence by combining of orientation information measure, color and motion information is presented.
将视频图像的方向信息测度、颜色和运动信息相结合的视频对象分割算法可以解决这一问题。
Video content is described by characteristics extracted on four-level framework including shots, video objects, video object planes and video object regions.
本文提出了一种基于视频对象的视频内容分级描述模型。
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。
According to the MPEG-4 verification model, video sequence must be segmented into semantic video objects. Their motion, shape and texture information are coded respectively.
按照MPEG - 4的校验模型，视频序列必须先分割成具有语义意义的视频对象，然后对其运动、形状和纹理分别进行编码。
Following, a wavelet based face detection algorithm is presented for the moving regions (foreground video objects), and an amendment for face model within MPEG-4 is introduced.
对运动区域（视频前景），基于小波分析技术实现视频图像的人脸检测，进而引入改进的人脸模型进行高效的压缩编码；
This article discusses the caching techniques of streaming media in the proxy, including the issues and challenges of prefix caching, segment caching, and a few of video objects caching.
该文讨论了代理对视频流的缓存，包括前缀、分块和部分视频对象的全部缓存的问题和挑战。
Using objects such as mirrors or video recordings as they practice can show speakers what they look and sound like to the audience.
在练习时，使用镜子或录像等物品，可以展示演讲者在面对观众时他们的样子和声音。
You can find starting points for tracking objects in video, pattern recognition, and ideas for games.
可以通过这些项目学习视频中的对象跟踪、模式识别和游戏的思路。
Augmented reality involves overlaying virtual objects on top of the video feed a smart phone user sees.
增强现实性涉及叠加在视频之上的虚拟物体使得智能手机用户可以看到。
Probably, the first Half-Life video game was created on the base of the one of such objects.
大概第一部“半条命”电视游戏是以一个这样的场所为基地设计的。
One of the first tunnels. Probably, the first Half-Life video game was created on the base of the one of such objects.
首批隧道之一。大概第一部“半条命”电视游戏是以一个这样的场所为基地设计的。
Instance metadata simply is data stored in a content management metadata repository and refers to objects stored somewhere else, such as documents, Web pages, audio, and video files.
实例元数据只是储存在内容管理元数据储存库中的数据，并引用存储在别处的对象，例如文档、web页面、音频和视频文件。
This video covers how to use additional cloth objects to tune pants.
这部影片讲述了如何使用额外的调整对象布裤子。
The input of the algorithm is MPEG 2 video stream captured by a stationary camera. Then the algorithm tracks moving objects in the stream without decoding it.
对于输入的一组由静止摄像机捕获的MPEG -2视频流，该算法不需对其进行解码即可对场景中的运动物体直接进行目标跟踪。
This paper presents an algorithm of detecting moving objects in video sequences.
本文提出了一种视频序列中运动目标检测的方法。
This paper presents an algorithm of detecting moving objects in video sequences.
本文提出了一种视频序列中运动目标检测的方法。
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