widgets -- The DWT widget set and supporting classes
widgets —DWT小部件集合和支持类
While embedding watermarking, the watermarking sequences are produced by the chaos system, and are embedded into the low frequent coefficient of DWT domain to guarantee the robustness of watermarking.
该技术在水印嵌入时，由混沌系统生成水印序列，并在离散小波变换的低频子带上嵌入水印，保证了水印的鲁棒性。
On the basis of the characteristics of MP3 compression and local audio correlation, a new adaptive digital audio watermarking in DWT and DCT domain for protecting MP3 music copyright is proposed.
以mp3压缩攻击特点与听觉掩蔽特性为基础，提出了一种可用于MP3音乐作品版权保护的混合域数字音频盲水印算法。
On the basis of the characteristics of MP3 compression and local audio correlation, a new adaptive digital audio watermarking based on DWT and DCT was proposed.
以mp3压缩等攻击特点及局部音频相关特性为基础，提出了一种新的混合域数字音频盲水印算法。
At first, it quantizes the image coefficient vector gotten from DWT with the lattice vector quantization technology, then imbeds the watermark signal into the coefficient.
该算法先通过格矢量量化技术对经dWT变换后的宿主图像的系数矢量进行格矢量量化，然后将水印信号嵌入到量化后的系数中。
Compared with DCT-based system, DWT-base watermark system is an adaptive system.
相比较DCT系统，DWT水印系统可以实现水印的自适应嵌入。
An algorithm based on DWT and iterative blending was proposed.
提出了基于DWT与迭代混合的数字水印算法。
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.
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 article introduced the components, working principle of the air handling, fan-coil system on 3 500 DWT MPV and also compared the merit and demerit of fan-coil system on it.
主要介绍3 500DWT多用途船空气处理系统和风机盘管系统的组成及其工作原理，并对风机盘管系统的优缺点进行了比较。
In order to satisfy the new requires to digital watermark, we propose a chaotic encrypted image digital watermarking algorithm based on DWT domain in this paper.
为了对数字水印技术的新需求，我们在本文中提出了一种基于混沌加密的频率域数字图像水印新算法。
Presents a novel texture retrieval approach of medical images based on statistic model by Dual-Tree Complex Wavelet Trans - form (DT-CWT) for the shift sensitivity and poor directionality of DWT.
针对离散小波变换具有平移变化性和弱方向性的特性，本文提出了一种基于双树复小波变换(DT- CWT)统计模型的医学图像纹理检索方法。
This paper explained some basic concepts, basic principles and applied methods about DCT digital watermarking algorithm and DWT digital watermarking algorithm.
文章阐述了DCT数字水印算法与DWT数字水印算法的基本概念、基本原理及具体算法实现。
Search efficiency is improved by embedding synchronous signals into time domain. Better robustness is achieved by hiding the watermarking into the low frequency coefficient of DWT domain.
同步信号嵌入时域，以提高搜索效率，水印隐藏在离散小波变换域的低频系数中，以达到较好的鲁棒性。
Using robust property of matrix norms and DWT for low frequency component, a new lossless watermarking method with low computational complexity via the theory and property and wavelet is proposed.
利用延拓矩阵范数的理论与性质，并结合矩阵范数与图像小波变换低频分量稳健性的特点，提出了一种低复杂度的无损水印方案。
The experiment results show that the system built on DWT-MFC has better noise robustness than on LPCC and MFCC.
实验表明，与（LPCC）和（MFCC）参数相比，采用DWT-MFC参数使系统的噪声鲁棒性得到显著的提高。
By studying three dimensional discrete wavelet transform (3d DWT) core algorithm in deepness, the paper divides it into three one dimensional discrete wavelet transforms (1d DWT).
通过深入研究三维离散小波变换(3dDWT)核心算法，将其分解为3个一维的小波变换(1d DWT)。
Compared with JPEG, JPEG 2000 made substantial improvements, the most important of which is discrete wavelet transform (DWT) instead of the JPEG standard discrete cosine transform.
与jpeg相比，JPEG 2000作了大幅改进，其中最重要的是用离散小波变换(DWT)替代了JPEG标准中的离散余弦变换。
This article briefly describes the rebuilding design of cargo oil system on 1 000 DWT bunkering tanker.
本文就1 000 t供油船货油系统部分的改建设计进行简要的介绍。
There are two main transform domain methods, one is to use the discrete cosine transformation (DCT); the other would be the use of discrete wavelet transforms (DWT).
目前主要有两种变换域方法，一种是使用离散余弦变换(DCT)，另一种是使用离散小波变换(DWT)。
A novel meaning binary image digital watermarking algorithm based on DWT and DCT is proposed.
提出一种基于DWT和DCT域的有意义二值图像数字水印算法；
So this paper puts forward the research approach of color images watermarking based on DWT, this method can increase the protection information and expand and the hiding range.
为此，本文提出基于DWT域的数字水印嵌入彩色图像的研究方法，该方法为增加知识产权的保护信息量和扩大隐藏对象范围提供一种途径。
A novel systolic array architccture for computing discrete orthogonal transforms such as DCT, DHT(DWT) and DFT is proposed.
本文提出一种新型计算离散正交变换如DCT、DHT（DWT）和DFT的脉动阵列实现。
The length of sequences affects the result more than the degree of identity when using DWT to analyze the similarity of two protein sequences.
我们发现本方法的结果受蛋白质序列长度影响较大而与蛋白质序列的相似度无关。
This article examines issues concerning to the measurement of fracture toughness of steel, in particular to the use of high capacity instrumented DWT testers.
本文主要探讨关于测试钢材断裂韧性的问题，尤其关注于配备高端研究模型的落锤撕裂试样断裂性能实验设备的使用问题。
In this paper, a multipurpose image watermarking algorithm based on chaos and DWT (Discrete Wavelet Transform) is proposed.
提出了一种基于混沌的DWT域多功能图像数字水印算法。
IWT achieves great success in the lossless coding and compression, but its efficiency in the loss compression is far lower than the traditional DWT.
IWT在无损编码与压缩中获得了很大成功，但在有损压缩效率上远低于传统的DWT。
Then, two new embedding technologies about gray digital watermarking are suggested, based on DWT and DCT separately. The author implements them and analyzes their results and performances.
随后提出了两种分别基于DWT和DCT变换的嵌入灰度图水印的新方法，加以实现并对实验结果和算法性能进行初步分析讨论。
A new image blind watermarking algorithm based on adaptive quantization step in discrete wavelet transform (DWT) is proposed, which can be used in copyright authentication.
提出了一种可用于版权认证的基于小波变换域自适应量化步长的图像盲水印算法。
A new image blind watermarking algorithm based on adaptive quantization step in discrete wavelet transform (DWT) is proposed, which can be used in copyright authentication.
提出了一种可用于版权认证的基于小波变换域自适应量化步长的图像盲水印算法。
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