基于matlab图像去噪法的实现与研究.docVIP

本科毕业论文（设计） 题目 基于matlab图像去噪方法的实现与研究 院 （系）：工学院 专 业：电子信息工程 年 级：07—电子1班 姓 名： 学 号： 指 导 教 师： 职 称：讲 师 2011年6 月18 日 目 录 摘 要································································· Abstract································································· 前言····································································· 第一章　 绪 论························································ 1.1数字图像处理的定义·························································· 1.2课题研究的背景意义及发展趋势······································ 1.2.1课题研究的意义·············································· 1.2.2图像去噪的研究现状及发展趋势································ 1.3图像去噪的目的及方法············································· 1.4主要应用领域····················································· 1.5论文工作安排····················································· 第章 2.1 MATLAB的发展····················································· 2.2 MATLAB语言的特点················································ 2.3 MATLA的工作环境及其命令·········································· 2.4 MATLAB图像处理中的应用··········································· 第章 图像去噪方法方法.2.1线性平滑滤波器（均值滤波器）······························· 3.2.2高斯滤波器················································ 3.2.3非线性滤波器(中值滤波器)·································· 3.2.4实验结果与分············································· 3.3频域滤波法······················································ 3.4.1低通滤波················································ 3.4.2高通滤波················································· 3.4.3实验结果与分析············································ 第四章 小波去噪在图像处理中的应用···································· 4.1 从傅里叶变换到小波变换········································ 4.2　小波的基本概念 摘 要 图像是一种重要的信息源，通过图像处理可以帮助人们了解信息的内涵。数字图像噪声去除涉及光学系统、微电子技术、计算机科学、数学分析等领域，是一门综合性很强的边缘科学，如今其理论体系已十分完善，且其实践应用很广泛在医学、军事、艺术、农业等都有广泛且成熟的应用。MATLAB是一种高效的工程计算语言，在数值计算、数据处理、图像处理、神经网络、小波分析等方面都有广泛的应用。MATLAB是一种向量语言，它非常适合于进行图像处理。 小波变换图像去噪阈值MATLAB ABSTRACT Image is one kind of impo