实验结果表明，所提出的方法不仅能获取较高的图像压缩率，而且能较好地去除噪声。
The experimental result shows that our method can not only achieve high compress ration, but also remove noise well.
文本文件的压缩率平均为70%左右；而对于更复杂更难于压缩的文件(例如图像)，其压缩率大约10%。
Compression for text files tends to average around 70 percent and for more complex and difficult-to-compress files, such as images, it tends to be around 10 percent.
通过相关实验，证实该方法能有效进行图像压缩，提高了压缩率。
Experimental results show that this method can compress image more efficiently with high compression ratio.
分析结果表明：可以通过牺牲压缩率，增加隐含层的神经元数来提高重建图像的质量。
The analysis shows that: by the sacrifice of compression ratio, the quality of the recovered image can be improved with the increase of the number of the neurons in the hidden layer.
JPEG2000是一种新的图像压缩标准，具有高压缩率、低失真度和灵活高效的特点。
JPEG2000 is a new image compressing standard, it has the characteristic of high compression ratio and low distortion.
有的图像软件程序允许你设置压缩率，在你保存图像的时候，能够控制图像的质量（和文件的大小）。
Some graphic software programs allow you to set the compression rate to control the quality of the image (and file size) at the time you save it.
同时又提出了一种不规则区域的图像分割算法，它比传统的基于块的分割获得了更大的压缩率。
A novel algorithm for image partition using irregular region is also purposed, which greatly increases the compression ratios achieved over traditional block-based partition.
指出了图像的压缩率与重构图像的失真率存在一定的关联。
There is certain connection between the compression rate of image and the distortion rate of image reconstruction.
实验表明，H . 264算法在提高压缩率、保证图像质量、以及网络适应性方面具有很大的优势。
Experiments showed that H. 264 algorithm had tremendous advantages in raising compression rat, ensuring image quality, and network adaptability as well.
经过大量实验证明，这两种方法都可以在一定程度上提高图像的压缩率。
The experimental results show that the modified methods are good in improving image compression ratio to some extent.
JPEG2000是一种新的静止图像压缩标准，与JPEG相比，对于具有同样视觉质量的灰度等级图像和彩色图像，JPEG2000能提供更高的压缩率。
The new still image compression standard, JPEG2000, provides higher compression rates for the same visual quality for gray scale and color images than JPEG.
MPEG4是一种压缩率高、对传输带宽要求低、图像质量高的图象编码技术。
MPEG4 is a video coding technology with the characters of high compression ratio, low requirement for transmission bandwidth and high quality of image.
该编码方法与现有桌面图像编码方法相比，压缩率大于现有桌面图像编码方法，是一种性能很好的综合编码方法。
Compared with current desktop picture coding, it comes with better ratio of compression and is a better method for comprehensive coding.
因此，2000年诞生了基于小波变换的更高压缩率以及更多新功能的新一代静态图像压缩标准JPEG2000。
To meet the needs in multimedia applications, a new wavelet-based image compression standard- JPEG2000 was developed in 2000.
实验结果表明，该算法能获得高的压缩率，同时能保持较高的峰值信噪比和良好的重建图像视觉效果。
The experiments results show that the proposed approach can achieve higher compression ratio and PSNR, as well as better visual result.
由于数字图像具有数据量大的特点，出于对图像存储成本和图像通信的考虑，良好的图像压缩技术要能够实现高压缩率和高保真率。
The digital image has huge data information, so the algorithm which has high compression ratio and high fidelity rate is urgently needed, taking account of storage cost and communication.
这种方法的主要优点是具有位移不变性、高数据压缩率、容易用硬件实时实现以及可以由物体形态谱表示精确地重构原始图像等。
The principal advantages of this approach are shift-invariant, high data compression rate, easy real-time implementation, using for invoking the shape filtering and shape measuring etc.
能够在对具有周期性的图像、特别是墙纸等排列有背景图案的图像数据进行编码时，就能够更高速地，且以更高压缩率来压缩整个图像。
Thereby, periodic images, especially image data in which background patterns such as wallpaper are arranged, can be compressed and decoded at higher speed and higher compressibility.
能够在对具有周期性的图像、特别是墙纸等排列有背景图案的图像数据进行编码时，就能够更高速地，且以更高压缩率来压缩整个图像。
Thereby, periodic images, especially image data in which background patterns such as wallpaper are arranged, can be compressed and decoded at higher speed and higher compressibility.
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