利用小波变换进行边缘检测

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

包括一次行、列变换，一层，二层，三层小波变换，低通，高通滤波，图像复原，增强，融合-including a trip out transform, layer, Layer wavelet transform, low-pass and high-pass filtering, image restoration, enhancement, integration

Contourlet变换的实现源码。相关理论可参考:Do M N, Vetterli M. "The contourlet transform: an efficient directional multiresolution image representation" [J]. Image Processing, IEEE Transactions on, 2005, 14 (12): 2091-2106.-Transform realize Contourlet source. Relevant theory may refer to: Do MN, Vetterli M. The contourlet transform: an efficient directional multiresolution image representation [J]. Image Processing, IEEE Transactions on, 2005, 14 (12): 2091-2106.

图像处理中的小波变换C++源代码，含有使用文档和例子，非常全面！-image processing wavelet transform C source code, documentation and with the use of examples, very comprehensive!

小波变换的一些源程序-wavelet transform some source

这是基于人脸检测的一个程序，经过编译后，效果很好，对于做这个方面的同学很有帮助，欢迎大家下载。-This is based on a face detection process, compiled the results very good for students to do very helpful in this regard, welcome you to download.

基于子带编码的快速小波变换算法-subband coding based on the fast wavelet transform algorithm

白光的单缝衍射-white single-slit diffraction

基于小波变换的方法采用sym20小波对信号进行谐波分析。-Based on Wavelet Transform Methods sym20 harmonic wavelet analysis of signals.

这是一组二维小波变换的经典程序，对研究小波的很有用，里边有对应说明-This is a group of two-dimensional wavelet transform of the classical procedures, the study of wavelets useful, inside there is the corresponding description