数字图象处理-苏二鹏-02114030 (2).docx

图像处理大作业1、作业要求 完成Matlab GUI程序，两个显示区域，实现功能： 1）读入灰度或彩色图像，放大缩小显示； 2）完成图像对比度的简单、分段线性变换及非线性变换，并与原图像对比；2、作业目的运用MATLAB，完成图像处理功能：1）图片读入。2）图片放大缩小。3）灰度图片分段线性于和非线性变换。3、作业思路采用Matlab GUI程序完成，分为以下几个步骤：1）菜单、界面设计2）编写函数3） 结合allback与函数4）调试5）开关处理4、作业内容1）菜单、界面设计运行后界面如下：2）代码编写：function varargout = untitled1(varargin)%UNTITLED1 M-file for untitled1.fig% UNTITLED1, by itself, creates a new UNTITLED1 or raises the existing% singleton*.% H = UNTITLED1 returns the handle to a new UNTITLED1 or the handle to% the existing singleton*.% UNTITLED1(Property,Value,.) creates a new UNTITLED1 using the% given property value pairs. Unrecognized properties are passed via% varargin to untitled1_OpeningFcn. This calling syntax produces a% warning when there is an existing singleton*.% UNTITLED1(CALLBACK) and UNTITLED1(CALLBACK,hObject,.) call the% local function named CALLBACK in UNTITLED1.M with the given input% arguments.% *See GUI Options on GUIDEs 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 untitled1 % Last Modified by GUIDE v2.5 04-May-2014 17:50:43 % Begin initialization code - DO NOT EDITgui_Singleton = 1;gui_State = struct(gui_Name, mfilename, . gui_Singleton, gui_Singleton, . gui_OpeningFcn, untitled1_OpeningFcn, . gui_OutputFcn, untitled1_OutputFcn, . gui_LayoutFcn, , . gui_Callback, );if nargin & ischar(varargin1) gui_State.gui_Callback = str2func(varargin1);end if nargout varargout1:nargout = gui_mainfcn(gui_State, varargin:);else gui_mainfcn(gui_State, varargin:);end% End initialization code - DO NOT EDIT % - Executes just before untitled1 is made visible.function untitled1_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% handles structure with handles and user data (see GUIDATA)% varargin unrecognized PropertyName/PropertyValue pairs from the% command line (see VARARGIN) % Choose default command line output for untitled1handles.output = hObject; % Update handles structure % - Outputs from this function are returned to the command line.function varargout = untitled1_OutputFcn(hObject, eventdata, handles)% varargout cell array for returning output args (see VARARGOUT);% hObject handle to figure% eventdata reserved - to be defined in a future version of MATLAB% handles structure with handles and user data (see GUIDATA) % Get default command line output from handles structurevarargout1 = handles.output; % - Executes on button press in pushbutton3.function pushbutton3_Callback(hObject, eventdata, handles)% hObject handle to pushbutton3 (see GCBO)% eventdata reserved - to be defined in a future version of MATLAB% handles structure with handles and user data (see GUIDATA) % - Executes on button press in pushbutton4.function pushbutton4_Callback(hObject, eventdata, handles)% hObject handle to pushbutton4 (see GCBO)% eventdata reserved - to be defined in a future version of MATLAB% handles structure with handles and user data (see GUIDATA) function edit1_Callback(hObject, eventdata, handles)% hObject handle to edit1 (see GCBO)% eventdata reserved - to be defined in a future version of MATLAB% handles structure with handles and user data (see GUIDATA) % Hints: get(hObject,String) returns contents of edit1 as text% str2double(get(hObject,String) returns contents of edit1 as a double % - Executes during object creation, after setting all properties.function edit1_CreateFcn(hObject, eventdata, handles)% hObject handle to edit1 (see GCBO)% eventdata reserved - to be defined in a future version of MATLAB% handles empty - handles not created until after all CreateFcns called % Hint: edit controls usually have a white background on Windows.% See ISPC and COMPUTER.if ispc & isequal(get(hObject,BackgroundColor), get(0,defaultUicontrolBackgroundColor) set(hObject,BackgroundColor,white);end function edit2_Callback(hObject, eventdata, handles)% hObject handle to edit2 (see GCBO)% eventdata reserved - to be defined in a future version of MATLAB% handles structure with handles and user data (see GUIDATA) % Hints: get(hObject,String) returns contents of edit2 as text% str2double(get(hObject,String) returns contents of edit2 as a double % - Executes during object creation, after setting all properties.function edit2_CreateFcn(hObject, eventdata, handles)% hObject handle to edit2 (see GCBO)% eventdata reserved - to be defined in a future version of MATLAB% handles empty - handles not created until after all CreateFcns called% Hint: edit controls usually have a white background on Windows.% See ISPC and COMPUTER.if ispc & isequal(get(hObject,BackgroundColor), get(0,defaultUicontrolBackgroundColor) set(hObject,BackgroundColor,white);end % -function m_gray_Callback(hObject, eventdata, handles)% hObject handle to m_gray (see GCBO)% eventdata reserved - to be defined in a future version of MATLAB% handles structure with handles and user data (see GUIDATA) % -function m_file_open_Callback(hObject, eventdata, handles)global x filename,pathname=uigetfile(.*.bmp;*.jpg;*.png;*.jpeg,ImageFiles(*.bmp,*.jpg,*.png,*.jpeg);.*.*, AllFiles(*.*),.Pickanimage);if isequal(filename,0)|isequal(pathname,0), return;endaxes(handles.axes_1);fpath=pathname filename;img_1=imread(fpath);x=imread(fpath); imshow(img_1);set(handles.m_file_save,Enable,on);set(handles.reshape,Enable,on);set(handles.gray,Enable,on);set(handles.noise,Enable,on);set(handles.filter,Enable,on);% -function m_file_save_Callback(hObject, eventdata, handles) filename,pathname=uiputfile(*.bmp,BMPfiles;*.jpg;,JPGfiles,PickanImage);if isequal(filename,0)|isequal(pathname,0) return;elsefpath=fullfile(pathname,filename);endimg_1=getappdata(handles.figure_process,img_1);% -function m_gray_feixianxing_Callback(hObject, eventdata, handles)global xaxes(handles.axes_2);set(handles.axes_2,HandleVisibility,ON);y=imadjust(x,0.2,0.5,0 1,0.8);imshow(y);set(handles.axes_2,HandleVisibility,OFF); % -function m_gray_fenduan_Callback(hObject, eventdata, handles)global xaxes(handles.axes_2);set(handles.axes_2,HandleVisibility,ON); f0=0;g0=0;%? f1=20;g1=10; f2=180;g2=230; f3=255;g3=255; r1=(g1-g0)/(f1-f0); b1=g0-r1*f0; r2=(g2-g1)/(f2-f1); b2=g1-r2*f1; r3=(g3-g2)/(f3-f2); b3=g2-r3*f2; m,n=size(x); X2=double(x); for i=1:m for j=1:n f=X2(i,j); g(i,j)=0; if(f=f1)&(f=f2)&(f=f3) g(i,j)=r3*f+b3; end end end end imshow(mat2gray(g); set(handles.axes_2,HandleVisibility,OFF); % -function m_file_Callback(hObject, eventdata, handles)% hObject handle to m_file (see GCBO)% eventdata reserved - to be defined in a future version of MATLAB% handles structure with handles and user data (see GUIDATA) % -function m_file_exit_Callback(hObject, eventdata, handles)% hObject handle to m_file_exit (see GCBO)% eventdata reserved - to be defined in a future version of MATLAB% handles structure with handles and user data (see GUIDATA)bChanged=getappdata(handles.figure_process,bChanged);bSave=getappdata(handles.figure_process,bSave);if bChanged=true&bSave=false,btnName=questdlg(?,?,?,?,?); switch btnName,case?,feval(axes_2_menu_save_Callback,handles.axes_2_menu_save,eventdata,handles); case? endend % - Executes during object creation, after setting all properties.function axes_1_CreateFcn(hObject, eventdata, handles)% hObject handle to axes_1 (see GCBO)% eventdata reserved - to be defined in a future version of MATLAB% handles empty - handles not created until after all CreateFcns called % Hint: place code in OpeningFcn to populate axes_1 % -function m_zoom_zoomout_Callback(hObject, eventdata, handles)% hObject handle to m_zoom_zoomout (see GCBO)% eventdata reserved - to be defined in a future version of MATLAB% handles structure with handles and user data (see GUIDATA)global x;axes(handles.axes_2);set(handles.axes_2,HandleVisibility,ON);p