图象压缩单元是一个嵌入式系统。
预测压缩技术是无损图象压缩的基本技术。
Prediction is the basic technology of lossless image compression.
本文设计了一种基于区域划分的分形图象压缩方法。
In this paper, a fractal image compression method based on region partition is devised.
缩短分形块编码时间是进行分形图象压缩的关键问题之一。
Reducing fractal block coding time is one of the main problems of fractal image compression.
块截短编码(BTC)是一种基块的快速有损图象压缩技术。
Block truncation coding (BTC) is a fast lossy image compression technique.
本文首先研究了分形图象压缩编码和分形插值图象压缩方法。
In this paper, fractal image coding and fractal interpolation for image compression are studied at first.
数字图象压缩在多媒体信息的存储和传输中扮演着非常重要的角色。
The technologies of the compression of digital image act key role to storing and transferring of multimedia information.
JPEG教程，包括视频图象压缩与解压缩，以及其他视频处理算法。
JPEG tutorial, Include video compress decompress and some other video process method.
图象质量尺度是最优化图象压缩算法参数和提高图象质量的重要依据。
Image quality metric could be utilized to optimize the image compression algorithm and improve the image quality.
JPEG教程，包括视频图象压缩与解压缩，以及其他视频处理算法。
JPEG tutorial, Include video compress, decompress and some other video process method.
实验结果表明本文提出的方法是解决遥感图象压缩编码的有效途径之一。
Experiment shows that our improved ways are effective for remote sensing image compression.
在这种背景下，新一代静止图象压缩标准JPEG2000便应运而生了。
In this context, a new generation of geostationary JPEG2000 image compression standards will come into being by.
首先在第一章中介绍了分形图象压缩研究的意义和数字图象质量的评价标准。
The first chapter introduces the significance of fractal image compression research and the valuation standard of image quality.
如何评价一种图象压缩方法对图象量测性能的影响，目前还没有切实可行的方法。
UP to now, there is no any practical and available method to assess the influence of image compression on the image measurement quality.
图象质量评价技术在图象隐藏、数字水印、图象通信、图象压缩等领域有重要的应用。
The quality assessment of images techniques has important applications in image hiding , watermark, image communication and image compression.
本文介绍了一种适用于J PEG医学图象压缩的二维dct的F PG A设计方案。
This paper describes a FPGA design for two dimensional Discrete Cosine Transform (2d-dct) used in JPEG medical image compression.
本文提出的彩色图象压缩方法基于BTC(块截断编码)和PCA(主成分分析)的有效结合。
A method is presented here for color image compression which is based on efficient combination of Block Truncation coding (BTC) and Principal Component Analysis (PCA).
高清晰度数字电视(HDTV)技术是当前最先进的图象压缩编码技术和数字通信技术的结合。
HDTV (High Definition Television) technology integrates the most advanced image compressed encoding technology and the digital communication technology.
理论和实验表明，在超低比特率图象通信应用领域，该算法图象压缩效率高，图象恢复效果好。
The theoretical and experimental results show that the proposed algorithm can achieve higher compression efficiency than DCT and the W transform based method in very low bit rate communication.
量化器在图象压缩系统中占有非常重要的地位。量化器结构与参数直接影响到恢复图象的质量和压缩比。
Quantization plays special important roles in image compression system, and its structure and parameters directly influence the quality of reconstructed image and the compression ratio.
本文从图象压缩单元的需求分析入手，采用通用的DSP芯片，构成了图象压缩单元地面系统的硬件原型。
This thesis starts from demand analysis of image compression unit and gives hardware prototype of ground system of image compression unit with general purpose DSP chip.
对被压缩图象的空间冗余度这一图象的本质属性进行研究、减少图象压缩及方法选择时的盲目性是非常必要的。
It is necessary to study the spatial redundancy of compressed images and reduce the random selection of image compression methods.
针对向量量化这种常用的图象压缩方法，设计了两类信息搭载方案，并对参数取值的不同情况进行了实验比较。
Two kinds of information carrying schemes for vector quantization are designed, and the experimental results of different cases are compared.
从普通透射电子显微镜图象和电视图象的一些例子表明，图象压缩到每象素0.45比特时仍能获得较好的视觉质量。
Using examples drawn from conventional transmission microscope and TV picture it is shown that an compressed picture with 0.45 bit per pixel can give a reasonable visual quality.
针对目前国内十分流行的VGA及EGA等高分辩率图形卡，本文提出并实现了一种新的图象压缩编码与解码回显的方法。
Aiming at the high resolution graphic adapter VGA or EGA widely adopted in this country, a new method for compressed coding and decoding display of the images is proposed and realized in this paper.
基于小波变换的SPIHT图像压缩方案是一种实用高性能图象压缩编码算法，但原始SPIHT算法链表式编码限制了其在高速处理中的应用。
SPIHT is a well recognized coding algorithm due to its high effecient performance. But SPIHT is unsuitable for high-speed hardware implementation. An improved coding algorithm to SPIHT is introduced.
针对PACS系统中的医学影像压缩存在的问题，提出了采用新的静态图象压缩标准JPEG2000，取代当前系统中使用的JPEG图像压缩标准。
Using the new compression standard JPEG2000 is proposed as a resolution to medical image compression in PACS to replace the JPEG standard now under use in PACS.
对于给定的细节较少的单色数字图象，本文给出了一种自适应的离散余弦变换(DCT)数据压缩方法。
For a given monochrome digital image with low detail, an adaptive DCT data compression method is given and compared with adaptive DPCM method.
对于给定的细节较少的单色数字图象，本文给出了一种自适应的离散余弦变换(DCT)数据压缩方法。
For a given monochrome digital image with low detail, an adaptive DCT data compression method is given and compared with adaptive DPCM method.
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