数字图像处理matlab程序

%系统自动生成的创建对话框的代码

function varargout = myproject(varargin)

% MYPROJECT M-file for myproject.fig

% MYPROJECT, by itself, creates a new MYPROJECT or raises the existing

% singleton*.

%

% H = MYPROJECT returns the handle to a new MYPROJECT or the handle to

% the existing singleton*.

% applied to the GUI before myproject_OpeningFcn gets called. An

% unrecognized property name or invalid value makes property application

% stop. All inputs are passed to myproject_OpeningFcn via varargin.

%

% *See GUI Options on GUIDE's Tools menu. Choose "GUI allows only one

% instance to run (singleton)".

%

% See also: GUIDE, GUIDATA, GUIHANDLES

% Edit the above text to modify the response to help myproject

% Last Modified by GUIDE v2.5 07-Jun-2008 11:33:02

'gui_LayoutFcn', [] , ...

'gui_Callback', []);

if nargin && ischar(varargin{1})

gui_State.gui_Callback = str2func(varargin{1});

end

if nargout

[varargout{1:nargout}] = gui_mainfcn(gui_State, varargin{:});

else

gui_mainfcn(gui_State, varargin{:});

end

% --- Executes just before myproject is made visible.

function myproject_OpeningFcn(hObject, eventdata, handles, varargin)

% This function has no output args, see OutputFcn.

% hObject handle to figure

% eventdata reserved - to be defined in a future version of MATLAB

% Update handles structure

guidata(hObject, handles);

% UIWAIT makes myproject wait for user response (see UIRESUME)

% uiwait(handles.figure1);

% --- Outputs from this function are returned to the command line.

% varargout cell array for returning output args (see VARARGOUT);

% eventdata reserved - to be defined in a future version of MATLAB

% --- Executes on button press in lingcunwei.

global ImagenUmbral %定义全局变量

if isempty(ImagenUmbral)==1,msgbox('Doesn''t exist an image');return,

end %如果 ImagenUmbral 不包含图像，则弹出对话框并显示'Doesn''t exist an image'

[filename,pathname]=uiputfile({'*.jpg';,'*.tif';,'*.gif';,'*.bmp';,'*.png';, ...

'*.hdf';,'*.pcx';,'*.xwd';,'*.ico';,'*.cur';,'*.ras';, ...

'*.pdm';,'*.pgm';,'*.ppm'},'Save file name'); %显示保存文件的对话框

if isequal(filename,0) | isequal(pathname,0)

errordlg('Saving canceled','Threshold GUI'); error('Saving canceled')

else %如果不存在该文件，或者不存在保存路径，则显示错误信息

imwrite(ImagenUmbral,[ pathname,filename]); %保存文件

end %try

end %if

% hObject handle to lingcunwei (see GCBO)

% eventdata reserved - to be defined in a future version of MATLAB

% handles structure with handles and user data (see GUIDATA)

%打印按钮的回调函数

function dayinshuchu_Callback(hObject, eventdata, handles) %打印按钮的回调函数

printdlg %显示打印对话框

% eventdata reserved - to be defined in a future version of MATLAB

% handles structure with handles and user data (see GUIDATA)

%复制到剪切板的回调函数，其功能为将处理后的图像存储到剪切板，以备处理图像处理

% --- Executes on button press in fuzhidaojianqieban.

%几何变换的回调函数，它包含三个基本的几何变换，分别为水平变换，垂直变换，对角

% --- Executes on button press in jihebianhuan.

function jihebianhuan_Callback(hObject, eventdata, handles)

global ImagenUmbral %定义一个全局变量 ImagenUmbral

global J %使用全局变量 J

selection = questdlg(' 请 选 择 几 何 变 换 ',' 选 择 几 何 变 换 ',' 水 平 镜 像 ',' 垂 直 镜 像 ',' 对 角 镜

像','default')

if strcmp(selection,'水平镜像') %如果选择“水平镜像”

[M,N]=size(J) %测量图像尺寸参数

I=J %将 J 赋给 I

for i=1:M %从第一行到最后一行

for j=1:N/2 %对每一行的第一个像素到中间的一个像素

t=I(i,j);I(i,j)=I(i,N-j+1);I(i,N-j+1)=t; %交换这一行第一个像素和最后一个像素的灰度

值，交换第二个和倒数第二个灰度值，以此类推，直到中间的像素。

end %end for

end %end for

subplot(224); %分割绘图窗口为两行两列，将句柄移到第四个位置

imshow(I) %显示图像

ImagenUmbral=I; %将图像赋予全局变量 ImagenUmbral

else if strcmp(selection,'垂直镜像') %如果选择“垂直镜像”

I=J %将 J 赋给 I

for i=1:M/2 %对每一列的第一个像素到中间的一个像素

t=I(i,j);I(i,j)=I(M-i+1,j);I(M-i+1,j)=t; %交换这一列第一个像素和最后一个像素的灰

end %end for

end %end for

ImagenUmbral=I; %将图像赋予全局变量 ImagenUmbral

subplot(224); %分割绘图窗口为两行两列，将句柄移到第四个位置

imshow(I) %显示图像

ImagenUmbral=I; %将图像赋予全局变量 ImagenUmbral

end %end of else if strcmp(selection,'对角镜像')

end %end of if strcmp(selection,'水平镜像')

% hObject handle to jihebianhuan (see GCBO)

% eventdata reserved - to be defined in a future version of MATLAB

% handles structure with handles and user data (see GUIDATA)

%灰度反转按钮的回调函数，灰度反转采用公式 T=L-1-S，其中 S 为存储原始图像的灰度

值的矩阵，T 为存储反转后图像灰度值的矩阵。

% --- Executes on button press in huidufanzhuan.

function huidufanzhuan_Callback(hObject, eventdata, handles)%灰度反转按钮的回调函数

global ImagenUmbral % 定义一个全局变量 ImagenUmbral，将灰度反转后的图像存入