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。
Even though MPEG is typically associated with video and audio compression, the MPEG-4 standard encompasses many more elements (streams).
虽然MPEG通常与视频和音频压缩联系在一起，但是MPEG - 4标准还包含许多其他元素(流)。
You'll also find a surf.mp4 MPEG-4 video file, so you can start playing movies right away.
您还会找到surf.mp4文件，这是一个MPEG-4视频文件，这样就可以立刻开始播放电影了。
In case you were curious, most of the 3gpp video is encoded in h.263 MPEG-4, with AMR audio, but it's gradually shifting to h.264, too.
如果你很感兴趣，大部分3gpp视频都是以h . 263 MPEG - 4以及amr音频编码的，但是它们现在也逐渐在转移到h . 264了。
MPEG-4 content beyond video and audio.
MPEG - 4内容不仅仅是视频和音频。
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 task of this research is to design and implement a video decoding platform based on MPEG-4 in order to enhance developing quality and shorten the developing period for the programmer.
为了使应用程序员提高程序开发质量、缩短开发周期，本文设计实现了一个基于MPEG-4的视频解码平台。
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。
The paper introduces MPEG - 4 video standard, describes some basic concepts in detail, and discusses come important structure and some practical algorithms.
文章介绍了MPEG-4视频标准，详细地描述了其中基于对象编码的概念，并简明扼要地讨论了某些重要的实用算法与结构。
Video, replaying, transferring, The system adopts MPEG-4 mode, it can get the higher picture quality, the lower data current, the higher efficiency.
本系统采用MPEG-4编码方式，可以达到更高的画质、更低的数据流、更高的效率。
The system implements video real-time capture, preview, image clear, and uses MPEG-4 real-time encoding technology to save image, reduces memory space and realizes longtime video.
该系统实现了视频的实时捕捉、预览，图像清晰，利用MPEG-4实时编码技术存储图像，节省存储空间，实现长期录像。
The result of test sequence proves that the software has achieved high compression of MPEG-4 video image and satisfactory subjective image compression quality.
采用测试序列进行验证，结果证明本软件实现了MPEG - 4视频图像的高压缩比和较满意的主观图像压缩质量。
This paper addresses an adaptive rate control scheme for MPEG-4 video based on an end-to-end architecture over Internet.
介绍了因特网上一种端到端的MPEG - 4视频网络传输结构的自适应码率控制方案。
This article discusses a design of an embedded video server system based on MPEG-4, including the image compress, storage architecture, communication system and operation system.
讨论了基于MPEG - 4的嵌入式网络视频服务器的设计方案，包括图像压缩、存储方式、通信和操作系统。
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。
With the characteristic of MPEG-4 video transport, improvement had made to least frame dropping algorithm and backwards search optimal frame dropping frame is present.
论文根据MPEG - 4视频传输的特点，在最少帧丢弃的算法上进行改进，提出了基于后向搜索的最佳帧丢弃算法。
Firstly, the thesis introduces the MPEG-4 standard, video encoding and decoding theory.
文章首先分析介绍了MPEG - 4标准和视频编解码的基本知识。
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。
Inverse Discrete Cosine Transform takes the most of time in MPEG-4 video decoding.
离散余弦逆变换是MPEG - 4视频纹理解码中运算时间开销最大的部分。
Through experiments the method can hide watermark in MPEG-4 video stream more rationally, the capacity of watermark increases greatly and the authentication precision locates in block level.
实验结果表明，算法更合理地将水印嵌入在MPEG-4视频流中，水印容量得到较大提高，对恶意攻击的认证精度定位在块级别。
The basic functions of video monitoring system, including video data acquiring, encoding (MPEG-4), searching and playing back are accomplished by this system.
本系统实现了对视频数据的采集，编码（MPEG-4），检索回放等视频服务器的基本功能。
Experiment results show that this method can effectively reduce the time cost of MPEG-4 video decoding, especially for the applications of distributive video in NC environment.
实验结果表明，该方法能有效地降低MPEG - 4视频解码的时间开销，适合于NC环境下的视频分发应用。
This text compares and analyses various kinds of compression standards of the digital audio and video at first, has chosen MPEG-4 compressed scheme as the video of monitoring system of video finally.
本文首先对数字音视频的各种压缩标准进行比较和分析，最终选取了MPEG-4作为视频监控系统的视频压缩方案。
From the experiment results, it indicates that, after the watermarked MPEG-4 video suffer filtering, rotation, scaling and transcoding, the watermark possesses good imperceptibility and robustness.
实验表明，算法在MPEG - 4水印视频经过滤波、旋转、尺度变化、代码转换编码等处理后，水印在可见性和鲁棒性等方面取得了良好的效果。
At last, it introduced the key method of playing MPEG-4 video stream using VC program.
最后阐述了利用VC编程播放MPEG - 4视频码流的关键技术。
The article analyzed the MPEG-4 video transmission based on the RTP framework, given the MPEG-4 video stream RTP Group packages algorithms to achieve a basic real-time video transmission system.
文章分析了基于RTP的MPEG - 4视频传输框架，给出了MPEG - 4视频流的RTP组包算法，实现了一个基本的实时视频传输系统。
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。
At last, based on theory research above, aimed at distribute video on demand application, the thesis realizes the MPEG-4 video server's system structure, finish the software module design.
论文最后在以上理论研究基础上，针对分布式视频点播系统应用，提出了MPEG - 4视频服务器系统结构，完成了各模块的软件设计，实现了MPEG - 4视频服务器。
This paper research the MPEG-4 standard and realize the software prototype of the MPEG-4 video codec. The paper emphasize two key techniques in MPEG-4 encoder: Motion Estimation and Bit Rate Control.
本论文研究了MPEG - 4标准，在实现MPEG - 4视频编解码器软件原型的基础上，重点研究了编码过程中的两项关键技术：运动估计和码率控制。
This paper research the MPEG-4 standard and realize the software prototype of the MPEG-4 video codec. The paper emphasize two key techniques in MPEG-4 encoder: Motion Estimation and Bit Rate Control.
本论文研究了MPEG - 4标准，在实现MPEG - 4视频编解码器软件原型的基础上，重点研究了编码过程中的两项关键技术：运动估计和码率控制。
应用推荐