KL变换作为最优变换在图像压缩中很有应用潜力。
KL transform, as the optimal transform, can be applied to image compression potentially.
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.
本文主要研究小波变换在图像压缩中的应用，分析研究等级树集合分割算法(SPIHT)。
In this paper, it is studied to compress image with wavelet transform, and the application of Set Patitioning in Hierarchial Trees (SPIHT) in image process is researched.
在图像处理特别是在图像压缩等领域中，如何评价经过处理后的图像失真度是一个很重要的问题。
In the field of image processing, how to evaluate the distortion of processed images is an important problem.
整数提升小波变换结构简单，不需要额外的存储空间，易于实现，在图像压缩中具有很好的应用价值。
Integer to integer wavelet transform has a simple structure, needs no more storage space and is very easy to be implemented, which is suitable for image compression.
本文基于Matlab数学分析工具环境下从实验角度出发，探讨了小波变换在图像压缩中的应用和小波基的选取。
From the Angle of the engineering and experimentation in the MATLAB, the paper have discussed the application of image compression based on the wavelet transformation.
但是，由于在图像压缩、微处理器和无线数据带宽等技术上的进步，智能手机对于忙碌的医生来说很有可能成为像呼机一样必不可少的工具。
But thanks to advancements in image compression, microprocessors and wireless-data bandwidth, the smartphone may prove to be, like beepers, an essential tool for on-the-go doctors.
结果是，适度分层阈值法有效克服了DCT在图像压缩中存在的“方块效应”，并且比分层阈值法对图像进行压缩更能达到较好的压缩效果。
The result shows that this method not only overcomes DCT shortcomings of square-piece effect in image compression, but also has more compression effect than the hierarchical threshold method.
结果是，适度分层阈值法有效克服了DCT在图像压缩中存在的“方块效应”，并且比分层阈值法对图像进行压缩更能达到较好的压缩效果。
The result shows that this method not only overcomes DCT shortcomings of square-piece effect in image compression, but also has more compression effect than the hierarchical threshold metho…
这意味着在将图像数据写入文件之前，libtiff将先对它进行压缩。
This means that libtiff will compress the image data for you before writing it to the file.
但其压缩通常是有损的(换句话说，在压缩过程中会丢弃图像数据)。
However, the compression is normally lossy (in other words, image data is thrown away as part of the compression process).
在允许的时候，尽量使用JPG并调整品质设置，以便在可以忍受的图像品质范围内获得更高的压缩比。
When you can, use JPG instead and adjust the quality setting so you can compress the image as much as possible within your desired tolerance for image quality.
这些字段为libtiff提供有关图像大小和形状的信息，以及在图像内压缩数据的方法。
These fields give libtiff information about the size and shape of the image, as well as the way data will be compressed within the image.
在‘毁灭性’算法下，净压缩文件大小更加令人印象深刻，但是显示图像的质量却很低。
With 'destructive' algorithms, the net compression of file size is even more impressive, but the displayed image is of lower quality.
文本内容存储在XML文件中，XML文件和文档中包含的图像压缩到一个zip包中。
The textual content is stored in an XML file that's zipped with all images included in the document.
本算法同其他算法相比，在相同的压缩比条件下，恢复图像具有更好的视觉质量。
Compared to the results of other algorithms, the reconstructed image has good visual quality under the condition of the same compression ratio.
在图像块分类划分之后直接丢弃信息冗余块，然后对剩余块进行压缩存储。
After the image blocks are classified, the blocks with information redundancy are discarded and the remaining blocks are compressed and coded.
在提取纹理特征时，为了减少计算量，首先对原图像进行压缩和灰度化。
In extracting texture characteristic, to cut down the amount of calculation, we compress the image and convert it to gray image.
分析表明，该设计在图像实时压缩的场合具有优势。
The analysis indicates that this method has an advantage in the situation of real time image compression.
虽然大多数监控系统都采用序列图像压缩，但是在窄带传输中，序列图像压缩方法会出现图像质量下降和马赛克等现象。
In the spite of use of sequence image compression coding in most monitor system, such problem as the image quality degradation, Mosaic will appear in the narrow band.
系统使用CCD获取原始数字图像数据，采用快速算法实现了核心的二维DCT变换，经过编码后，在一个16位定点DSP上实现了快速图像压缩。
The system uses CCD for getting digital image, uses a 16 bit fix-point DSP to perform fast discret cosine transform(DCT) arithmetic and image encoding and realizes a fast image compression in end.
在视频图像数据压缩技术中，视频分析及运动预测是其中的关键技术之一。
It is one of key technique of video analysis and motion predication in video compression.
实验结果表明，这种方法在高压缩比的情况下，能有效在保持图像的重要边缘，具有良好的主观视觉效果。
The experiment results show that the important edges of original images are kept and a good visual perception are seen in reconstructed images.
本文回顾了近年来在低比特率图像压缩技术研究、开发及应用领域的简况。
The recent research, development and applications of low bitrate picture compression techniques are reviewed in this paper.
经试验证明，这是一种有效的编码方法，在相同压缩比率下提高了重建图像的峰值信噪比PSNR。
Experimental results show that the improved hybrid image coding can improve the PSNR of the rebuilded image at the same compression ratio.
提出了一种采用JPEG标准压缩的静止图像数据在非理想信道中传输的纠错方法。
This paper proposes an error correction method used for JPEG compressed image data, which is transmitted in noisy channel.
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。
This paper discusses the principles of quasi-real time coding compression of SAR images and the realizing method in the project.
本文主要研究时域重叠变换理论及其在视频和图像压缩中的应用。
The theory of time-domain lapped transform and its application in image and video compression are considered in this paper.
为了得到可变的位率，在分形图像压缩中经常采用四叉树分割方法。
Quadtree partitions are often used in fractal image compression to achieve variable bit rates.
因此，在标准化图像压缩系统中，本文的滤波器是CDF97理想的替代者。
Therefore, the filters constructed in this paper are ideal replacement of CDF97 in standardized image compression systems based on wavelets.
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