图像压缩

Remote sensing image was decompressed into frequency domain image by wavelet transform and the bit planes in frequency domain image were permuted by SBI transform seperately. The resulting data was compressed by arithmetic encoder.

采用小波变换对遥感图像进行分解，将生成的频域数据按不同比特平面分别进行SBI变换并用算术编码进行压缩。

With higher compression ratios and better image quality as compared to any other software currently in production.

具有较高的压缩比和更好的图像质量比任何其他软件目前在生产。

The clarity of image embeddedwatermark is good. At the same time, it is immune to translation, rotation, scaling, cutting, JPEG loss compression, median filter, and sharping.

同时水印对平移、旋转、缩放、剪切几何变换以及JPEG有损压缩、中值滤波、锐化、等常规图像处理手段具有较好的鲁棒性。

Numerical experiments show that the embedded watermark is robust to usual image manipulations, such as superposing noise, cropping, filtering and lossy compression.

对算法的测试结果也表明，该算法对噪声、滤波、剪切、旋转、有损压缩等常见的图像处理操作具有较高的稳健性。

The whole architecture was optimized in the pipeline design, few line buffers instead of large memory to get higher hardware utilization and speed, so it can process Bayer image in real time and create good condition for coding and transmission.

经验证明完全满足对Bayer图像实时处理的要求，为后续实时压缩编码和传输提供了有利条件。

In particular, by coupling the compression algorithms with the ability to perform zooming and panning operations over networks, this prototype is able to eliminate redundant data transfer and achieve a smooth real-time image-browsing capability.

进一步说，通过在压缩算法中增加可在网络中执行放大缩小以及平移操作的能力。这个原型能够排除冗余的数据转换并且达到平滑、实时的图像浏览效果。

With the volume of hyperspectral imagery increasing rapidly, the demand of large compression rate becomes urgent.

高光谱图像海量数据的不断增加迫切需要实现大比例的有损压缩。

Using the method, the image blocks in different resolution levels can be well represented by the centroids of the vector subsets.

用这种方法，使得在不同分辨率和不同频段的子图像块能用其矢量集的质心来表示以达到压缩的目的。

Experimental results show that the proposed technique is robust enough to some image processing operations and JPEG lossy compression.

实验结果表明，数字水印技术对一些图像处理操作和JPEG有损压缩具有较好的鲁棒性。

Besides, by applying the technique of DPDM, we get the result consisting of the field distribution of displacement, maximum shear strain and volumetric strain. So, this method can be used for analyzing the deformation quantitatively for cohesive soil in the compression experiment.

利用数字照相变形量测DPDM技术进行图像分析，结果包含了位移场、最大剪应变场和体积应变场的分布图，表明这一方法使压缩试验中黏土变形场的量化分析成为可能。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了