图像压缩

Furthermore, it avoids solving nonlinear partial differential equation numerically comparing with the energy minimization denoising model of bounded variation, and so it never leads to local minimum in general.

与基于压缩比和奇异值分解的降噪方法相比，由于该算法避免了图像压缩比函数及其拐点的计算，因此具有快速去噪和简单可行的优点。

In this paper, a fast fractal coding algorithm based on convolution theory is presented.

近年来，分形图像压缩编码技术因其潜在的高压缩比而引起了人们的广泛兴趣。

JPEG2000 is a new image compressing standard, it has the characteristic of high compression ratio and low distortion.

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。

Therefore, this paper puts forward a compression method which can get a high compression ratio and acceptable information loss.

因此，本文的研究目的是提出一种在获得高压缩比的同时将信息损失限制在可接受的范围之内的高光谱图像压缩方法。

An integral projection algorithm for Vector Quantization is proposed in this paper,integral projection is used in every 4×4 block firstly,and then carry on vector quantity with the integral codebook.The memory area of codebook and computation of encode can be reduced greatly while the quality of the picture only loses slightly.

提出了一种积分投影和矢量量化相结合的图像压缩算法，将图像的每一个4×4分块先进行积分投影，然后再与积分投影后的码书进行量化匹配，大大减少运算量和码书存储面积，而图像的质量只有轻微损失。

As the base theory of the dissertation some basic knowledge of image compression is introduced, including how to acquire interference pattern and its charecters of both space correlation and spectral correlation.

作为论文的理论基础，论文简单的介绍图像压缩的基本理论和干涉图像获取的方法，并分析了干涉图像的特征。

However this advantage is at the cost of massy quantity of data that brings difficulties of images' storage and transmission. So it is very important to search a high effective hyperspectral images' data compression algorithm .

然而高光谱图像的这种具有较高谱分辨率的优越性是以其较大的数据量及较高的数据维为代价的，高光谱图像巨大的数据量，给数据存储和传输带来困难，因此在现有条件下，寻找一种有效的高光谱图像压缩方法具有十分重要的实际意义。

In the field of image processing, the technology of super resolution reconstruction and image compression are maturely developed.

中文摘要：在图像处理领域中，图像的超分辨率重建技术和图像压缩是两个发展已经比较成熟的部分。

In this thesis,the history-development and constitution of image surveillant system are introduced firstly in chapter one.

第二章主要介绍了嵌入式网络图像监控的相关技术，包括图像压缩技术、嵌入式处理器、嵌入式操作系统和图像传输技术。

Next, the Bandelet transform is taken on each directional subband. The proposed multidirectional and multiscale transform with critical sampling can represent the geometrical features such as edges and texture more sparsely, which is of great benefit to image compression.

原始的Contourlet变换有大于1的冗余度而不适于图像压缩的要求，采用传统的张量积小波变换取代其中的拉普拉斯金字塔式变换可获得非冗余的变换形式[8]，Bandelet变换是一种基于图像边缘的变换方法，它能自适应地跟踪图像的几何正则方向。

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