Mpeg - 4 is a popular standard of moving picture compression encoding today . delivering mpeg - 4 video on narrow - band networks , we can gain video with high quality Mpeg - 4是当今比较流行的一种动态图像压缩编码标准，采用该压缩标准，可以在很窄的带宽下传输高质量的图像。
That is why this paper makes network parallel computing and applications as its researching object in which parallel algorithm and applications in image processing are the stress 本文即以新兴的网络并行计算技术为主要研究对象，重点研究了并行算法及其在图像压缩编码中的应用。
The target of image compression is to express image with less byte , as well as maintain the quality of the restore image to meet the requirement of special environment 图像压缩编码的目的就是要以尽量少的比特数表征图像，同时保持复原图像的质量，使它符合特定应用场合的要求。
So , the best solution to research and develop the new and effective coding method of image compression , and to store and transmit these data in the way that has been compressed 因此。研究和开发新型有效的图像压缩编码方法,以压缩后的形式存储和传输这些数据是最好的解决途径。
Correlation vector quantization ( vq ) is an effective technology for data compression . it is widely used in various image - coding systems because of its high compression ratio 相关矢量量化是一种有效的数据压缩技术，因其具有较高的压缩率而被广泛应用于各种图像压缩编码系统中。
The jacquin algorithm of fractal image coding is modified according to the modern optimization theory . the aim is to reduce the coding time 本文采用现代优化算法对分形图像压缩编码的简库恩算法进行改进，以期达到在不降低分形编码峰值信噪比和压缩比的前提下使编码时间减少的目的。
Doing the research of the internal system of these two codings and finding the best connection between them will play great role in the development of image compression 因此研究这两种编码方法的内在机制，寻找它们之间的最佳契合点等，对今后的图像压缩编码技术将起到巨大的指导作用。
Firstly , the general conception of image compression is presented , the brief developing history of image compression technique is reviewed and several image compression algorithm are introduced briefly 首先,本文给出了图像压缩的一般概念,回顾了图像压缩技术的发展,并简要介绍了几种常用的图像压缩编码方法。
Jpeg algorithm , as tile encoding standards for still photographs , has adopted the dct transform and z scanning . so jpeg can and should be the theoretical basis of ccst gtaphic character system Jpeg作为静止图像压缩编码标准，并引入了dct变换和z形扫描等技术，可以也应当成为ccst信号图形制编码的理论基础。
Image compression encoding is also an important and key question in digital image transferation , and it can process as more image information as possible with limited bandwidth and time cost 在数字图像传输中图像压缩编码也是一个重要而关键的问题，可以用有限带宽和尽可能少的时间传输内容尽可能多的图像信息。
