Chapter7 Waveletsanron Ping Zhang E-mail:pingzh@uestc.edu.cn
Ping Zhang E-mail: pingzh@uestc.edu.cn
电子科线女学光电科学与工程学院 SCHOOL OF OPTOELECTRONIC SCIENCE AND ENGINEERING OF UESTC 参考资料 >(美)多布著,李建平译,小波十讲,国防工业出版社,2011 >孙延奎著,小波变换与图像、图形处理技术(第二版),清华大学出版社,2018 >朱希安等编著,小波分析及其在数字图像处理中的应用,电子工业出版社,2012 小波变换 小波十讲 与国像、图形处理技术 (修订版) (第2版) 补城室西 Ten Lectures on 朱希安曹林编酒 Wavelets 小波分析及其在 数字图像处理中的应用 【英Ingrid Daubechies若 Wavelet Analysis and Its Application in Digital image Processing 李建平择 4 真学3大学出量阳 图重子王学出接出
参考资料 ➢(美)多布著,李建平译,小波十讲,国防工业出版社 ,2011 ➢孙延奎著,小波变换与图像、图形处理技术(第二版),清华大学出版社,2018 ➢朱希安等编著,小波分析及其在数字图像处理中的应用,电子工业出版社,2012
电子科发女学光电科学与工程学院 SCHOOL OF OPTOELECTRONIC SCIENCE AND ENGINEERING OF UESTC Introduction 小波分析是纯数学、应用数学和工程技术的完美 结合。它具有良好的局部时频聚焦性,而被称为 “数学显傲镜”。 0.8 06 02 02 m=1
小波分析是纯数学、应用数学和工程技术的完美 结合。它具有良好的局部时频聚焦性,而被称为 “数学显微镜” 。 Introduction
电子科线女学光电科学与工程学院 SCHOOL OF OPTOELECTRONIC SCIENCE AND ENGINEERING OF UESTC Introduction ■What is the wavelets? time a time b Small wave,varying frequency and limited duration;an attempt to reveal both the frequency and temporal information in the transform domain
Small wave, varying frequency and limited duration; an attempt to reveal both the frequency and temporal information in the transform domain. time a time b ◼ What is the wavelets? Introduction
电子科枝女学光电科学与工程学院 SCHOOL OF OPTOELECTRONIC SCIENCE AND ENGINEERING OF UESTC Introduction Satisfy two conditions (1)It must be oscillation. (2)Its amplitude is non-zero only in a very short period of interval,i.e.localization. 0.8 0.6 0.5 0.4 0.2 0 -0.5 -0.2 -8-6-4-202468 -8-6-4-202468 wavelet 1 wavelet 2
(1) It must be oscillation. (2) Its amplitude is non-zero only in a very short period of interval, i.e. localization. wavelet 1 wavelet 2 Introduction ◼ Satisfy two conditions