The paper introduces the reason of image compression and digital image compression and coding.
本文介绍了图像压缩的原因及数字图像压缩编码。
Absrtact: for its fine performance, DCT transform is widely used in the compression and coding method of image and video data.
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。
Experimental results show that JPEG method is an effective method for digital compression and coding of ultrasonic televiewer images.
实验结果表明，JPEG方法是一种有效的超声电视图象压缩方法。
The gzip compressor is based on the DEFLATE lossless data compression algorithm, which USES a combination of the LZ77 algorithm and Huffman coding.
gzip压缩器基于deflate无损数据压缩算法，它使用LZ77算法和Huffman编码的组合。
Based on linear prediction and arithmetic coding of hyperspectral image compression, and I hope useful for you.
一种基于线性预测和算术编码的高光谱图像压缩方法，希望对您有用。
Experimental results indicate that comparing to exhaustive search, the proposed method improves the coding speed and compression ratio greatly with slight quality degradation of decoded image.
实验结果表明，相对于全局搜索，所提方法大幅地提高了编码速度和压缩比，而解码质量只略有下降。
Interframe prediction is key to video compression and can effectively eliminate the time redundancy of video coding, reduce coding rate and enhance coding efficiency.
帧间预测是视频压缩的关键技术之一，能有效消除视频编码中的时间冗余，降低编码码率，提高编码效率。
The experimental results show that the fixed compression dictionary can realize fractal image coding quickly and has some fractal image merit decoding.
实验结果表明，固定压缩字典能快速地实现分形图像的编码，并具有部分分形图像的解码优点。
A system model of image sequence coding based on wavelet transform is established. Then a high data compression ratio is realized and satisfactorily reconstructed image can be obtained.
建立了基于小波变换的运动图像编码系统模型，实现了数据的高效压缩并得到了良好的恢复图像。
Combined with various applications in image coding and compression, lifting scheme transform is compared with wavelet transform in both hard realization and computation burden.
结合图像压缩编码的具体应用，从硬件可实现性和计算量两个方面对比了提升框架变换和小波变换。
The system structure and the basic idea of ship navigation image information recording, the coding principle and compression method of image information are introduced in the paper.
介绍船舶航行图像信息记录的系统构成、航行图像信息记录基本思路和图像信息编码原理及压缩方法。
Experimental results show that the coding speed is much enhanced while high compression ratio and well-reconstructed image can be obtained.
实验结果表明，该方法大大提高了编码速度，而且能获得高压缩比和满意的恢复图象质量。
The experiment results show that the fixed compression dictionary can carry out fractional image coding rapidly and has some fractional image advantages in decoding.
实验结果表明，固定压缩字典能快速地实现分形图像的编码，并具有部分分形图像的解码优点。
This paper discusses the principles of quasi-real time coding compression of SAR images and the realizing method in the project.
论述了合成孔径雷达(SAR)图像准实时编码压缩的原理以及在工程上实现的方法。
In this paper, fractal image coding and fractal interpolation for image compression are studied at first.
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。
The human visual weighting factor change the order of coding rather than the value of coding. The algorithm has much faster coding speed and better compression effect.
基于人眼视觉特性的加权因子改变编码位序而不是编码值，该算法有更快的编码速度以及较好的压缩效果。
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.
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。
This paper introduces some basic concepts of fractal geometry and fractal image compression, and also introduces some kinds of image compression coding method based on fractal.
本文介绍了分形几何和分形图像压缩的一些基本概念，以及以分形为基础的几种图像压缩编码方法。
In order to improve the ratio of binary image compression, using top-dowm method of coding, bring forward a fractal image compression method based on isosceles right triangle, and simulated.
为了提高二值图像的压缩比，采用自顶向下的编码方法，提出一种基于等腰直角三角形的分形图像压缩算法，并进行仿真实验。
Multi -media communication over IP network will involve network architecture, service model, information coding compression and transmission control technology.
在IP网络上进行多媒体通信要涉及网络结构、服务模型、信息编码压缩以及传输控制等技术问题。
This coding algorithm can compress video by the method of combining inter-frame compression and intra-frame compression.
该编码算法采用帧内编码和帧间编码相结合的方法对序列图像进行压缩编码。
Hence, researching and exploiting new and effective techniques of multimedia compression coding, namely storing and transferring these data in compressed mode, will be the best choice in future.
因此，研究和开发新型有效的多媒体数字压缩编码方法，以压缩的形式存储和传输这些数据将是最好的选择。
Experiment results reveal that our method has not only high compression efficiency, but also better characteristic of coding and delivering comparing with traditional compression methods.
实验结果表明，该方法与传统近无损压缩方法相比，不仅具有高压缩率，而且具有更好的编码传输特性。
This paper first introduces the common image compression technology-Huffman coding and fractal coding, and then proposes some improvements.
本文通过介绍常见的图像压缩技术——哈夫曼编码和分形编码，提出了一些改进的方法。
Image compression is one of the most important key techniques in image processing. Traditional compression methods include prediction coding, transform coding and vector quantization (VQ).
图像压缩是数字图像处理中最重要的关键技术之一，传统的图像压缩方法有预测编码、变换编码和矢量量化等。
The image coding and compression technologies based on the JPEG2000 standard is studied in this article, which focus on region-of-interest (ROI) compression and EBCOT optimization algorithm.
本文主要基于JPEG2000标准来研究图像编码和压缩相关技术，其重点是感兴趣区域（ROI）的压缩和EBCOT算法的优化。
In this paper, developments of speech compression coding are briefly introduced, and importance is attached to recent advances in speech coding at low bit rates.
本文简要介绍了语音压缩编码的新进展，并且着重介绍低码率语音编码在新近几年所取得的进展。
Fractal coding has been proved useful for image compression, and it is also proved effective for content-based image retrieval.
分形编码在图像压缩方面取得了很好的效果，同时也能够用于基于内容的图像检索。
Fractal coding has been proved useful for image compression, and it is also proved effective for content-based image retrieval.
分形编码在图像压缩方面取得了很好的效果，同时也能够用于基于内容的图像检索。
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