从压缩算符、压缩相干态、压缩变换与哈密顿量的对角化等几个方面对单模压缩态进行了讨论。
The squeezed state of single module is discussed frome aspects of squeezed operator, squeezed coherent state, squeezed transformation, the diagonalization of Hamiltionian, and so on.
如果表是一个范围集群表(不支持行压缩)，可以考虑将其变换为范围分区表(支持行压缩)。
If the table is a range clustered table (that does not support row compression), you can consider switching it to become a range partitioned table (that supports row compression).
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.
多方向多尺度变换能以更稀疏的方式表示图像的边缘和纹理等几何特征，有利于图像压缩。
The proposed transform could represent the geometrical features such as edges and texture more sparsely, which is of great benefit to image compression.
对于给定的细节较少的单色数字图象，本文给出了一种自适应的离散余弦变换(DCT)数据压缩方法。
For a given monochrome digital image with low detail, an adaptive DCT data compression method is given and compared with adaptive DPCM method.
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。
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.
文中的大量实验结果表明，小波变换同传统的DCT变换相比较有很大的优越性，在视频压缩中也必将取得更广泛的应用。
Many results show a fact that, compared with traditional DCT transform, wavelet transform has a great advantage, and it will surely be broadly used in video compression.
通过对图像做仿jpeg流程的处理，在DCT变换的直流系数上嵌入水印，对于各种常用的JPEG压缩量化因子，可以得到良好的水印嵌入效果。
It embeds the watermark bits on the DC of the DCT transform coefficients, for most JPEG quality factor, the method is proved to be robust and effective.
然后介绍了图像压缩的有关知识，讲述了离散正交变换的几种方法。
Then it tells the knowledge of image compression. It introduces some methods of discrete quartered transform.
本文介绍了一种自适应图象变换编码方法来压缩数字图象信号的带宽。
An adaptive image transform coding method for compressing the bandwidth of the digital image signal is described.
本文提出了一种采用变换和自适应方法的图象数据压缩系统。
An image data compression system is presented which USES the transform and adaptive method.
图像的压缩包括变换、量化和编码。
The image compression includes transform of image, quantization and encoding.
低比特率时，基于块离散余弦变换(BDCT)的图像压缩方法常常会引起块效应。
At low bit rates, the block Discrete Cosine Transform (BDCT) compression methods often give rise to blocking artifacts.
最近有文献报道图像序列的三维子波变换压缩编码。
D wavelet transform compression coding for image seqUences has been reported recently.
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.
实验证明，基于3维小波变换的3维SPIHT编码算法在对超光谱图像压缩时，表现出了优良的率失真性能。 并且算法复杂度适中，具有嵌入式特性。
The test results show that the 3D SPIHT algorithm based on 3D DWT for hyperspectral images compression is very efficient, the algorithm is embedded and has modest complexity.
对虚拟人图像数据作多种二维处理，包括图像几何变换、灰度增强、格式转换和压缩、图像配准和分割。
Many methods are used to finish VCH planar image processing, including image geometry transform, gray-scale enhancement format transition and compression , image registration and segmentation.
针对数据流上近似查询中的梗概计算，提出了一种新的基于最小误差的维压缩小波变换算法(MEDC)。
Aiming at synopsis computation of approximate query in data stream, a novel wavelet transformation algorithm, Minimum Error based Dimension Compression (MEDC) algorithm, is proposed in this paper.
本文介绍一种基于子波变换的光谱信息数据压缩方法。
In this paper, we describe a data compression method based on wavelet transform for spectral information.
提出了基于位平面变换的压缩算法。
The compression algorithm based on bit plane transform is proposed.
数据处理主要包括坐标变换、数据精度处理、拓扑处理、数据压缩。
The data processing mainly contains the coordinates transform, the data precision processing, the topology processing and the data compressing.
介绍基于双正交整数叠式变换（LBT）的图像压缩及编码方法的原理，以及该系统的硬件设计。
The paper introduced the method to realize the image compression based on Integer Lapped Biorthogonal Transform(LBT) and the theory of coding as well as its hardware design.
因此，一幅图像的分形编码就是寻找一个合适的压缩仿射变换，它的不动点是原始图像尽可能好的近似。
Thus, encoding an image by fractal techniques consists of finding an appropriate contractive transformation whose fixed point is the best possible approximation of the original image.
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.
最后，对变换系数进行熵编码压缩。
Finally, the transformed coefficients will be compressed effectively with entropy coding.
本论文采用一种基于行的小波变换压缩方法，针对整个系统的内存利用，提出一种在编解码中同时降低内存的方法。
This paper adopt the line-based wavelet transform, aiming at the whole systematic memory, propose a method to reduce the memory at both encoding and decoding.
数学变换是地震勘探资料处理方法中的重要手段之一，从数学模型的求解到地震数据压缩的很多方面都离不开数学变换。
Mathematical transform is one of the important means in seismic exploration data processing methods, there must be mathematical transforms from solving mathematical models to compressingseismic data.
数据预处理，数据压缩，特征选择与特征变换。
Data pre-processing, data reduction, feature selection, and feature transformation.
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.
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.
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