dwt

Image Compression by Two-dimension of DWT

静态二维离散小波变换在图像压缩中的研究

DWT has good properties of time-frequency localization and energy concentration , which make the information of decomposed subgraphs contains most of the original image information .

二维离散小波变换（DWT）具有良好的时频局部化特性和较好的能量集中特性，能够使得分解后的子图信息包含原始图像绝大多数信息量。

Study on Gasoline Engine Knock Real-Time Control System Based on DWT

基于DWT的汽油机爆震实时控制系统研究

Analysis of Finite Word Length Effect to Hardware Implementation of DWT

小波变换硬件实现中有限字长效应的分析

A new digital watermark technology with high resistance to attack based on DWT

基于小波变换算法的新型防攻击数字水印技术

Contrast and Analyze of Several Image Compression Algorithms Performance Based on DWT

几种基于DWT的图像压缩算法性能比较与分析

Proposes a new blind analyzing framework based on DWT domain characteristics .

提出了一种基于DWT域特征的盲检测框架。

Calculating research of image processing based on two-dimensional DWT

基于二维小波变换的图像处理算法研究

Image Digital Watermark Algorithm Based on EM Classification in DWT Domain

基于EM分类的小波域图像数字水印算法

The design of electrical system on 3700 DWT product tanker

3700t成品油船的电气设计

Adaptive power quality signals compression and denoising based on DWT

基于DWT的自适应电能质量信号压缩及消噪

For DWT coefficients of different scales , correlation analysis is taken .

对于不同尺度下DWT系数进行了相关性分析。

New algorithm for relational database watermarking based on DWT

基于离散小波变换的数据库水印检测算法

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。

A high robust gray level watermarking scheme on the DWT Domain

一种小波变换域上的高鲁棒灰度水印

Lifting Based Implementation of a Kind of DWT and its Application to Image Coding

一种DWT的提升实现及其图像编码应用

Research on DWT Digital Watermarking and Digital Image Watermarking Identify - center

小波域数字水印与数字图像水印验证中心的技术研究

Color Image Digital Watermarking Algorithm Based on DCT and DWT

基于DCT与DWT的彩色图像数字水印算法

Design of Ship Power Plant for 3500 DWT Chemical Tanker

载重量3500t化学品船动力装置设计

Comparative Study on WPT and DWT Based Techniques for Harmonic Measurement

对比研究基于小波包变换和离散小波变换的配电网谐波检测技术

A digital image watermarking algorithm based on DWT and DCT

一种基于DWT和DCT的数字图像水印算法

Research on the performance and the model test of 4990 DWT crude oil tanker

4990载重吨原油轮快速性研究及船模试验

Theoretical Analysis of Information 's Twice Hidden Technology Based on the DCT , DWT

基于DCT、DWT的信息二次隐藏技术的理论分析

Application of New Shipbuilding Production Technology for 105 000 dwt Crude Oil Tanker

造船新工法在10.5万载重吨原油船上的应用

Lifting Factorization Theory of DWT and Its Application to Image Compression

DWTLifting分解理论及其在图像压缩中的应用

An Embedding Strategy and Algorithm for Image Watermarking in DWT Domain

小波变换域图像水印嵌入对策和算法

Principal Dimensions Optimization of 300,000 DWT FPSO Based on Genetic Algorithm

基于遗传算法的30万t级FPSO主尺度优化

A Design Scheme for Blind Watermark of Double Keys Based on DWT

一种基于DWT的双密钥盲水印设计方案

Some aspects on improving the ship structure of 35000 DWT bulk carrier

35000吨级散货船船体结构改进与优化设计的若干问题

The high frequency transformed by DWT is characterized image texture details .

而DWT变换后的高频信息表征的正是图像的纹理细节信息。