运动估计是视频图像编码中运算量很大的部分，也是影响系统实时性能的瓶颈。
The computation in video codec mainly concentrates on motion estimation, which is the bottleneck of realization of real time video codec.
相信所做的这些工作对甚低码率视频图像编码的实际应用和推广将起到推动作用。
Therefore what has been studied should be a promotion to make very low bit rate video coding work in practice and in wide use.
本文首先介绍了视频图像编码原理、H . 263建议和基于DSP芯片的实时信号处理系统。
In this paper the principle of video coding, the recommendation H. 263 and the real-time signal processing system based on DSP chip are introduced first.
基本思想是将一个视频源连接到一个图像接收器(比如屏幕)和其他地方，然后获取图像的一个副本并编码成一个JPEG文件。
The basic idea is that you connect a video source to an image sink (like the screen) and somewhere along the way steal a copy of the image to encode as a JPEG.
在视频图像信噪比基本不变的情况下，达到运算时间降低，提高编码效率的效果。
The result shows it can reach lower operation time and great video encoding efficiency in stable videos SNR.
在对雷达记录仪采集的视频数据分析的基础上，提出了一种改进的基于零树编码的小波分解雷达图像压缩算法。
On the basis of analyzing video data acquisition from radar recording meter, an improved radar image compression algorithm, based on zero-tree coding wavelet decomposition, was proposed.
运动图像的分割在基于内容的视频编码及视频检索中占有重要的地位。
The segmentation for moving pictures is important in content-based video encoding and video retrieval.
运动图像实时压缩编码和解压缩解码是高速无线视频传输系统的核心部分。
Motion picture's compress code and decompress decode in real time is the key part of highspeed wireless video transmission system.
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。
At present, the MPEG-2 coding standard set down by Moving Pictures Expert Group is adopted largely in digital video field.
该文介绍了LTMMS多媒体监控系统的构成；在比较了几种视频编码标准之后，说明了LTMMS多媒体监控系统中图像编码标准的选择和实。
After the comparison between several video code standards, the selection and realization of picture coding standard in LTMMS multimedia surveillance system is introduced.
它是去除视频数据中时间冗余度的有效方法，它的性能好坏直接影响编码的效率和图像的质量。
It is an effective method to remove the video data time redundancy, which directly affects the performance of coding efficiency and image quality.
论述了运动补偿技术在序列图像或实时视频信号编码中的重要作用，给出了其主要算法，并介绍了其在数字高清晰度电视系统中的应用。
The significant role of motion compensation technology was stated in this paper for which to be used in the sequence images or real time video signal coding. A main calculation method was presented.
在视频编码中，码率控制的目的是：在满足带宽约束的条件下，提高编码图像的质量。
In video coding, the purpose of rate control is to improve picture quality while subject to the bandwidth constraint.
文章在分析视频图像二值形状信息特点的基础上，提出了一种新的MPEG - 4二值形状空域可扩展编码算法。
The paper proposed a new spatial scalable shape coding algorithm for MPEG-4 based on the features of video's shape information.
基于分块dct变换的编码方法，由于具有良好的去相关性和能量压缩特性，已经成为现有大多数图像和视频编码标准的核心技术。
The Method based on the DCT transformation has been the center technology for most of the digital image and video coding standards, since it features on good de-correlation and energy compression.
其编码数据格式能够很好地应用于图像和视频的统计编码中，在保持编码效率的同时，很大程度地提高编码在信道传输中的纠错能力。
The pdfs to which these codes correspond are well matched to statistics of image and video data, thus enabling an increase in robustness to channel errors with no penalty in coding efficiency.
家庭是适合广泛的圈子申请，要求的计算资源，包括视频编码的高清晰（H.264标准） ，重新编码和数据分析，图像处理。
Family is suitable for the wide circle of applications, demanding to the computational resource, including coding video of high clearness (H. 264), recoding and data analysis, image processing.
在深入研究视频图像冗余离散变换特征的基础上，提出一种用于视频编码运动补偿技术的小波域不规则三角形网格构造方法。
This paper discusses the feature of redundant discrete wavelet transform and proposes an irregular triangular mesh design method in wavelet domain for motion compensation in wavelet video codec.
摘要：DCT变换以其优良特性被图像和视频的数据压缩编码所广泛采用。
Absrtact: for its fine performance, DCT transform is widely used in the compression and coding method of image and video data.
模型基图像编码自80年代初提出后，由于在低码率情况下有高的主观图像质量，作为视频编码的方法得到了广泛的重视。
Since the model based coding being presented from early 80's, it has got extensive attention as a video coding method due to high subject image quality and low bit rates.
可伸缩性视频编码（SVC）技术是图像和视频处理中一个新的研究领域，近年来取得了很多成果。
Scalable video coding(SVC) technology is a new domain in the processing of image and video, and there are many results of SVC at present.
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 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.
模拟结果表明，此项缓存控制技术不仅能准确预测编码码率，而且能自适应视频的场景变化，使解码图像质量比较均匀。
Simulation result shows that the buffer control strategy can not only predict the video coder's output correctly, but also adapt the scene changes in video, get similar decoded image quality.
实验结果表明该编码器可实现高分辨率视频的实时编码，且具有较低的码率和较好的图像质量。
The finished encoder can compress high resolution video in real time, with low bit rate and high image quality.
研究发现，基于空域运动补偿小波视频编码的相关帧丢帧补偿机制可以在很大程度上降低码率，提高压缩比，改善图像在极低码率传输中的质量。
Our study finds out that the compensatory system of relevant frame throwing frame can enhance the rate of compression and improve the quality of image transmitted by the lowest code rate.
为提高实时视频编码的图像质量，提出了一种低复杂度单通道视频编码的可变码率(VBR)控制算法。
To improve the image quality of real time video encoder, a low complexity variant bit rate (VBR) control algorithm for single-pass video encoding was proposed.
本文对小波图像和视频编码进行了深入研究，提出了新的小波图像和视频编码算法，并针对提出的算法进行了实验验证。
The image and video coding based on wavelet, transform is studied in this thesis. The new algorithm of wavelet-based image and video compressing is proposed and tested.
数字视频监控系统的编码端负责图像的采集和编码，是数字视频监控系统中的关键设备，直接影响着整个系统的性能和质量。
The encoder end of DVRs, with responsibility for video capture and encoding, is the key part of DVRs and straightly affect the performance and quality of the whole system.
在现代通信系统中，高效快速的编码算法的研究已经成为视频图像传输的关键技术，是业界极为关注的热点课题。
In modern times communication system, the video image compression code technique is mainly applied in the low code rate at present.
余弦变换广泛应用于图像和视频的压缩编码以及模式识别之中。
Cosine transform is widely adopted in image, video compression and pattern recognition.
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