基于小波变换的盲水印技术

用VC++实现数字图象的行变换，列变换，小波变换的原代码，很实用-VC digital image transformation, the transformation out, wavelet transform of the original code, practical

离散小波变化的程序，用C＋＋代码实现。其中子函数包括墨西哥帽函数，待分析函数-discrete wavelet changes in the procedures, using C++ code to achieve. Functions which include Mexico apparatus function, pending analysis functions

这是基于小波变换的零树编码程序-This is based on the wavelet transform coding procedures Zerotree

dwt小波变换，用于对图像处理与压缩-dwt wavelet transform, for the image processing and compression

新一代静止图像压缩编码标准JPEG2000概述* 丁贵广 郭宝龙 西安电子科技大学 机电工程学院 西安 710071 guiguangd@263.net 摘要随着多媒体技术应用的不断增加图像压缩技术不仅要求具有较高的压缩性能而且还要求有新的特征来满足一些特殊的要求为此国际标准化组织ISO指定了新一代静止图像压缩标准JPEG2000本文通过对JPEG2000中核心算法EBCOT的详细分析阐述了JPEG2000压缩标准新的特征以及与现有压缩标准相比显示出来的优越性能 关键词JPEG2000小波变换EBCOT彩色图像编码-new generation of static image compression coding standard JPEG2000 outlined* Ding Guang Guo Baolong Xi"an University of Electronic Science and Electrical and Mechanical Engineering College, Xi"an 710071 guiguangd@263.net Abstract multimedia technology with the increasing use of image compression technology not only requires a high compression performance, but also requires new features to meet the special requirements for this ISO designation of a new generation of still image compression standard JPEG2000 Based on the core JPEG2000 algorithm EBCOT the detailed analysis described JPEG2000 compression standard and the new features with the existing compression standard compared to demonstrate the superiority can Keywords

自适应反离散小波变换，能达到很好的小波变化结果-Adaptive inverse discrete wavelet transform, wavelet transform can achieve very good results

图像离散小波变换源代码-images DWT source code

某一直升机齿轮箱上的早期损伤的特征是，在伴随振动信号上产生一个可变周期的非平稳扰动信号。要求按此特征构造一组有物理意义的数据仿真早期故障信号，应用小波变换技术分析故障的特征和发生时刻。-a helicopter gearbox early on the characteristics of the injury, In addition to the vibration signal produced a variable cycle perturbation of non-stationary signals. Click here to request a group of tectonic significance of a physical early fault simulation data signals Application of wavelet transform technical analysis of the features and fault occurred moments.

FWT_Stat用信号的平稳位移计算二进小波正变换 MM2_DWT图像的二进小波变换的模极大-FWT_Stat using signal to the smooth displacement dyadic wavelet transform is the two images MM2_DWT Progressive wavelet transform modulus maxima

DCT变换的VC实现，对研究DCT如何用C实现有很大的参考作用，或可直接调用-DCT VC to study how to use C DCT achieve a great reference, or direct call