(完整word)基于MATLAB的数字图像处理毕业设计(含源文件).doc

指导教师签字：

科学研究、社会生产及人类生活中不可缺少的强有力工具.在信息社会中,数字图像处理

科学在理论或实践上都存在着巨大的潜力.

图像处理技术已经在各个领域上都有了比较广泛的应用。图像处理的信息量很大，对处

理速度的要求也比较高。MATLAB 强大的运算和图形展示功能,使图像处理变得更加的简

单和直观。

information and the important means of information ， image processing

technology is a powerful tool for scientific research, social production and

human life.In the information society， the digital image processing science

exists great potential both in theory or practice.

graphics and image processing technology. Digital image processing

technology has been in various areas have a relatively wide range of

applications.Image processing large amount of information ， the speed of

processing requirements are relatively high. MATLAB powerful computing and

graphics display function， which makes image processing become more simple

Keywords ： MATLAB ， digital image processing, image enhancement ， two

value image ,image restoration

2。2。2 数字图像处理的主要内容..............................4

2.3.1 数字图像处理的特点....................................6

4。2.1 膨胀 ...............................................14

4。2.2 腐蚀 ...............................................15

4.3。1 噪声滤除 ...........................................16

4。3.2 边缘提取 ...........................................17

4.3。3 特征提取............................................18

5。2。2 线性平滑滤波器（领域均值法） ....................23

5。2。3 非线性平滑滤波器（中值滤波法)......................24

5。2.4 锐化滤波器..........................................25

5。3.1 频域增强原理和功能..................................26

5。3。2 低通滤波...........................................27

5.3.3 高通滤波.............................................30

5.3.4 周期底纹清除滤波.....................................33

5.3。5 同态滤波............................................33