MATLAB(GUI)數字圖像處理實驗報告資料

1、20122013學年第二學期課程名稱：教學實踐:軟硬件提高訓練任課教師： 題 目：MATLAB數字圖像處理學號：ROB12023姓名： 年級：2012級專業(yè)：自動化評語：成績： 評卷人：提交日期： 年 月 日1.設計目的利用MATLAB的GUI程序設計一個簡單實用的圖像處理程序。該程序應具備圖像處理的常用功能，以滿足要求。2.設計要求設計程序有以下基本功能：1）圖像的讀取、保存和程序退出2）圖像轉化為灰度圖像3）底片處理（反色）4）截圖5）亮度和對比度度調節(jié)6）圖像的翻轉與旋轉7）添加噪聲8）平滑和銳化9）直方圖均衡化處理10）圖像的腐蝕和膨脹11）邊緣檢測12）還原和撤銷3.總體設計4.程序

2、與運行結果4.1圖像的讀取、保存和程序退出1圖像讀取1）主要程序A=imread(str) %讀取圖片imshow(A) %顯示圖片2）運行結果 2圖像保存1）主要程序imwrite(handles.img,sfilefullname); %圖像的保存2）運行結果3退出1）主要程序close all; %關閉所有 2）運行結果（略）4.2圖像轉化為灰度圖像1）主要程序C=rgb2gray(img); %將rgb彩色圖像轉換為灰度圖2）運行結果4.3底片處理（反色）1）主要程序I=imcomplement(handles.img); %底片處理（反色）2）運行結果4.4截圖1）主要程序a=imc

3、rop(handles.img); %圖像的截取2）運行結果4.5亮度和對比度度調節(jié)1亮度調節(jié)1）主要程序y=imadjust(handles.img, , ,p1); %亮度調節(jié)2）運行結果2對比度調節(jié)1）主要程序f=immultiply(handles.img,p1); %對比度增強f=imdivide(handles.img,p1); %對比度減弱2）運行結果4.6圖像的翻轉與旋轉1圖像的翻轉1）主要程序fliplr(b) %圖像的翻轉2）運行結果2圖像的旋轉1）主要程序f=imrotate(handles.img,p1,'bilinear','crop'

4、); %圖像的旋轉2）運行結果 4.7添加噪聲1椒鹽噪聲1）主要程序f=imnoise(handles.img,'salt & pepper',p1); %添加椒鹽噪聲2）運行結果2高斯噪聲1）主要程序f=imnoise(handles.img,'gaussian',p1,p2); %添加高斯噪聲2）運行結果3乘法噪聲1）主要程序f=imnoise(handles.img,'speckle',p1); %添加乘法噪聲2）運行結果4.8平滑和銳化1平滑1）主要程序Imfilter % 均值濾波medfilt2 % 中值濾波2）運行結果2銳化

5、1）主要程序fspecial( ) %創(chuàng)建預定義的濾波算子imfilter( );imadd( ); %在實現卷積運算的基礎上進行濾波2）運行結果4.9直方圖均衡化處理1灰度圖像1）主要程序B=histeq(C); %直方圖均衡化函數2）運行結果2RGB圖像1）主要程序B=histeq(C); %直方圖均衡化函數2）運行結果4.10 圖像的腐蝕和膨脹1圖像的腐蝕1）主要程序I1=imerode(handles.img,se); %圖像的腐蝕2）運行結果2圖像的膨脹1）主要程序I1=imdilate(handles.img,se); %圖像的膨脹2）運行結果4.11 邊緣檢測 1）主要程序rsl

6、t=ycbcr2rgb(uint8(img2); %邊緣檢測2）運行結果4.12 還原和撤銷1還原1）主要程序global S %設計一個全局變量S，保存初始圖像路徑，以便之后的還原操作 2）運行結果2撤銷（只能撤銷一次）1）主要程序global T %設計一個全局變量S，保存每次操作原圖像，以便撤銷操作 2）運行結果5心得體會通過用（）設計數字圖像處理界面，我掌握了有關數字圖像處理的相關知識和的操作知識，讓理論知識與實際相結合，做出了數字圖像處理的圖形用戶界面。在實踐前，通過一天的數字圖像處理的相關知識與一天的知識的學習，掌握了其基本入門知識；然后在實踐中，結合要設計要求補充自學相關知識，在

7、實踐中驗證理論知識，充實理論知識，加強動手能力；在實踐后，總結實踐過程，撰寫實驗報告，再次加深所學知識。6.附錄代碼（帶注釋）function varargout = dazouyematlab(varargin)%DAZOUYEMATLAB M-file for dazouyematlab.fig% DAZOUYEMATLAB, by itself, creates a new DAZOUYEMATLAB or raises the existing% singleton*.% H = DAZOUYEMATLAB returns the handle to a new DAZOUYEMATL

8、AB or the handle to% the existing singleton*.% DAZOUYEMATLAB('Property','Value',.) creates a new DAZOUYEMATLAB using the% given property value pairs. Unrecognized properties are passed via% varargin to dazouyematlab_OpeningFcn. This calling syntax produces a% warning when there is an

9、 existing singleton*.% DAZOUYEMATLAB('CALLBACK') and DAZOUYEMATLAB('CALLBACK',hObject,.) call the% local function named CALLBACK in DAZOUYEMATLAB.M with the given input% arguments.% *See GUI Options on GUIDE's Tools menu. Choose "GUI allows only one% instance to run (singlet

10、on)".% See also: GUIDE, GUIDATA, GUIHANDLES% Edit the above text to modify the response to help dazouyematlab% Last Modified by GUIDE v2.5 18-Jul-2014 11:52:53% Begin initialization code - DO NOT EDITgui_Singleton = 1;gui_State = struct('gui_Name', mfilename, . 'gui_Singleton',

11、gui_Singleton, . 'gui_OpeningFcn', dazouyematlab_OpeningFcn, . 'gui_OutputFcn', dazouyematlab_OutputFcn, . 'gui_LayoutFcn', , . 'gui_Callback', );if nargin && ischar(varargin1) gui_State.gui_Callback = str2func(varargin1);endif nargout varargout1:nargout = gui

12、_mainfcn(gui_State, varargin:);else gui_mainfcn(gui_State, varargin:);end% End initialization code - DO NOT EDIT% - Executes just before dazouyematlab is made visible.function dazouyematlab_OpeningFcn(hObject, eventdata, handles, varargin)% This function has no output args, see OutputFcn.% hObject h

13、andle 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 dazouyematlabhandles.out

14、put = hObject;% Update handles structureguidata(hObject, handles);% UIWAIT makes dazouyematlab wait for user response (see UIRESUME)% uiwait(handles.figure1);% - Outputs from this function are returned to the command line.function varargout = dazouyematlab_OutputFcn(hObject, eventdata, handles)% var

15、argout 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;% -

16、Executes on button press in pushbutton14.function pushbutton14_Callback(hObject, eventdata, handles)%退出% hObject handle to pushbutton14 (see GCBO)% eventdata reserved - to be defined in a future version of MATLAB% handles structure with handles and user data (see GUIDATA)clc;close all;close(gcf);cle

17、ar;% - Executes on button press in pushbutton15.function pushbutton15_Callback(hObject, eventdata, handles)%圖像載入% hObject handle to pushbutton15 (see GCBO)% eventdata reserved - to be defined in a future version of MATLAB% handles structure with handles and user data (see GUIDATA)filename,pathname=u

18、igetfile('*.jpg''*.bmp''*.tif','選擇圖片'); str=pathname filename;global S %設計一個全局變量S，保存初始圖像路徑，以便之后的還原操作S=str;A=imread(str);set(handles.axes1,'HandleVisibility','ON');axes(handles.axes1);imshow(A);set(handles.axes1,'HandleVisibility','OFF')

19、;axes(handles.axes2); imshow(A);cla(handles.axes2);handles.img=A;guidata(hObject,handles);% - Executes on button press in pushbutton16.function pushbutton16_Callback(hObject, eventdata, handles)%圖像保存% hObject handle to pushbutton16 (see GCBO)% eventdata reserved - to be defined in a future version o

20、f MATLAB% handles structure with handles and user data (see GUIDATA)sfilename,sfilepath=uiputfile('*.jpg''*.bmp''*.tif''*.*','保存圖像文件','untitled.jpg');if isequal(sfilename,sfilepath,0,0) sfilefullname=sfilepath,sfilename; imwrite(handles.img,sfilefullna

21、me);else msgbox('取消保存','保存失敗');end% - Executes on button press in pushbutton22.function pushbutton22_Callback(hObject, eventdata, handles)%腐蝕% hObject handle to pushbutton22 (see GCBO)% eventdata reserved - to be defined in a future version of MATLAB% handles structure with handles a

22、nd user data (see GUIDATA)temp='腐蝕圓盤半徑:'defans='0'p=inputdlg(temp,'請輸入',1,defans);p1=str2num(p1);se=strel('disk',p1,0);global Taxes(handles.axes2);T=handles.img;I1=imerode(handles.img,se);imshow(I1); handles.img=I1;guidata(hObject,handles);% - Executes on button press

23、 in pushbutton23.function pushbutton23_Callback(hObject, eventdata, handles)%膨脹% hObject handle to pushbutton23 (see GCBO)% eventdata reserved - to be defined in a future version of MATLAB% handles structure with handles and user data (see GUIDATA)temp='膨脹結構長度:'defans='0'p=inputdlg(t

24、emp,'請輸入',1,defans);p1=str2num(p1);se=strel('line',p1,0);I1=imdilate(handles.img,se);global Taxes(handles.axes2);T=handles.img;imshow(I1);handles.img=I1;guidata(hObject,handles);% - Executes on button press in pushbutton21.function pushbutton21_Callback(hObject, eventdata, handles)%R

25、GB圖象% hObject handle to pushbutton21 (see GCBO)% eventdata reserved - to be defined in a future version of MATLAB% handles structure with handles and user data (see GUIDATA)global Taxes(handles.axes2);T=handles.img;RGB=handles.img;R=RGB(:,:,1);G=RGB(:,:,2);B=RGB(:,:,3);G1(:,:,1)=histeq(R);G1(:,:,2)=

26、histeq(G);G1(:,:,3)=histeq(B);imshow(G1);handles.img=G1;guidata(hObject,handles);% - Executes on button press in pushbutton19.function pushbutton19_Callback(hObject, eventdata, handles)%添加噪聲% hObject handle to pushbutton19 (see GCBO)% eventdata reserved - to be defined in a future version of MATLAB%

27、 handles structure with handles and user data (see GUIDATA)I=handles.img;global Tstr=get(handles.popupmenu7,'value');axes(handles.axes2);switch str case 1 T=handles.img; prompt='輸入椒鹽噪聲參數1:' defans='0.02' p=inputdlg(prompt,'input',1,defans); p1=str2num(p1); f=imnoise(h

28、andles.img,'salt & pepper',p1); imshow(f); handles.img=f; guidata(hObject,handles); case 2 T=handles.img; prompt='輸入高斯噪聲1:','輸入高斯噪聲2' defans='0','0.02' p=inputdlg(prompt,'input',1,defans); p1=str2num(p1); p2=str2num(p2); f=imnoise(handles.img,'

29、gaussian',p1,p2); imshow(f); handles.img=f; guidata(hObject,handles); case 3 T=handles.img; prompt='輸入乘性噪聲1:' defans='0.02' p=inputdlg(prompt,'input',1,defans); p1=str2num(p1); f=imnoise(handles.img,'speckle',p1); imshow(f); handles.img=f; guidata(hObject,handles)

30、; end% - Executes on selection change in popupmenu7.function popupmenu7_Callback(hObject, eventdata, handles)% hObject handle to popupmenu7 (see GCBO)% eventdata reserved - to be defined in a future version of MATLAB% handles structure with handles and user data (see GUIDATA)% Hints: contents = cell

31、str(get(hObject,'String') returns popupmenu7 contents as cell array% contentsget(hObject,'Value') returns selected item from popupmenu7% - Executes during object creation, after setting all properties.function popupmenu7_CreateFcn(hObject, eventdata, handles)% hObject handle to popup

32、menu7 (see GCBO)% eventdata reserved - to be defined in a future version of MATLAB% handles empty - handles not created until after all CreateFcns called% Hint: popupmenu controls usually have a white background on Windows.% See ISPC and COMPUTER.if ispc && isequal(get(hObject,'Backgroun

33、dColor'), get(0,'defaultUicontrolBackgroundColor') set(hObject,'BackgroundColor','white');end% - Executes on button press in pushbutton17.function pushbutton17_Callback(hObject, eventdata, handles)%平滑% hObject handle to pushbutton17 (see GCBO)% eventdata reserved - to be

34、defined in a future version of MATLAB% handles structure with handles and user data (see GUIDATA)global Tstr=get(handles.popupmenu5,'value');axes(handles.axes2);switch str case 1 T=handles.img; prompt='請輸入模版維度:' defans='3' p=inputdlg(prompt,'input',1,defans); p1=str2n

35、um(p1); h1=fspecial('average',p1 p1); I=imfilter(handles.img,h1); imshow(I); handles.img=I; guidata(hObject,handles); case 2 T=handles.img; prompt='請輸入模版維度:' defans='3' p=inputdlg(prompt,'input',1,defans); p1=str2num(p1); if numel(size(handles.img)>2 A=handles.img;

36、 R=A(:,:,1); G=A(:,:,2); B=A(:,:,3); GP(:,:,1)=medfilt2(R,p1 p1); GP(:,:,2)=medfilt2(G,p1 p1); GP(:,:,3)=medfilt2(B,p1 p1); imshow(GP); handles.img=GP; else A=handles.img; I=medfilt2(A,p1 p1); imshow(I); handles.img=I; end guidata(hObject,handles); end% - Executes on button press in pushbutton20.fun

37、ction pushbutton20_Callback(hObject, eventdata, handles)% hObject handle to pushbutton20 (see GCBO)% eventdata reserved - to be defined in a future version of MATLAB% handles structure with handles and user data (see GUIDATA)clc;close all;close(gcf);clear;% - Executes on button press in pushbutton16

38、.function pushbutton16_Callback(hObject, eventdata, handles)% hObject handle to pushbutton16 (see GCBO)% eventdata reserved - to be defined in a future version of MATLAB% handles structure with handles and user data (see GUIDATA)global Tstr=get(handles.popupmenu5,'value');axes(handles.axes2)

39、;switch str case 1 T=handles.img; prompt='請輸入模版維度:' defans='3' p=inputdlg(prompt,'input',1,defans); p1=str2num(p1); h1=fspecial('average',p1 p1); I=imfilter(handles.img,h1); imshow(I); handles.img=I; guidata(hObject,handles); case 2 T=handles.img; prompt='請輸入模版維度:

40、' defans='3' p=inputdlg(prompt,'input',1,defans); p1=str2num(p1); if numel(size(handles.img)>2 A=handles.img; R=A(:,:,1); G=A(:,:,2); B=A(:,:,3); GP(:,:,1)=medfilt2(R,p1 p1); GP(:,:,2)=medfilt2(G,p1 p1); GP(:,:,3)=medfilt2(B,p1 p1); imshow(GP); handles.img=GP; else A=handles.i

41、mg; I=medfilt2(A,p1 p1); imshow(I); handles.img=I; end guidata(hObject,handles); end% - Executes on button press in pushbutton18.function pushbutton18_Callback(hObject, eventdata, handles)%銳化% hObject handle to pushbutton18 (see GCBO)% eventdata reserved - to be defined in a future version of MATLAB

42、% handles structure with handles and user data (see GUIDATA)global Tstr=get(handles.popupmenu6,'value');axes(handles.axes2);T=handles.img;g=handles.img;switch str case 1 h=fspecial('sobel'); case 2 h=fspecial('prewitt'); case 3 h=fspecial('laplacian');endif numel(size

43、(g)>2 R=g(:,:,1); G=g(:,:,2); B=g(:,:,3); R1=imfilter(R,h); GP(:,:,1)=imadd(R,R1); G1=imfilter(G,h); GP(:,:,2)=imadd(G,G1); B1=imfilter(B,h); GP(:,:,3)=imadd(B,B1); imshow(GP); handles.img=GP;else g1=g; g2=imfilter(g1,h); g3=imadd(g2,g1); imshow(g3); handles.img=g3;endguidata(hObject,handles);% -

44、 Executes on selection change in popupmenu5.function popupmenu5_Callback(hObject, eventdata, handles)% hObject handle to popupmenu5 (see GCBO)% eventdata reserved - to be defined in a future version of MATLAB% handles structure with handles and user data (see GUIDATA)% Hints: contents = cellstr(get(

45、hObject,'String') returns popupmenu5 contents as cell array% contentsget(hObject,'Value') returns selected item from popupmenu5% - Executes during object creation, after setting all properties.function popupmenu5_CreateFcn(hObject, eventdata, handles)% hObject handle to popupmenu5 (s

46、ee GCBO)% eventdata reserved - to be defined in a future version of MATLAB% handles empty - handles not created until after all CreateFcns called% Hint: popupmenu controls usually have a white background on Windows.% See ISPC and COMPUTER.if ispc && isequal(get(hObject,'BackgroundColor&#

47、39;), get(0,'defaultUicontrolBackgroundColor') set(hObject,'BackgroundColor','white');end% - Executes on selection change in popupmenu6.function popupmenu6_Callback(hObject, eventdata, handles)% hObject handle to popupmenu6 (see GCBO)% eventdata reserved - to be defined in a

48、future version of MATLAB% handles structure with handles and user data (see GUIDATA)% Hints: contents = cellstr(get(hObject,'String') returns popupmenu6 contents as cell array% contentsget(hObject,'Value') returns selected item from popupmenu6% - Executes during object creation, afte

49、r setting all properties.function popupmenu6_CreateFcn(hObject, eventdata, handles)% hObject handle to popupmenu6 (see GCBO)% eventdata reserved - to be defined in a future version of MATLAB% handles empty - handles not created until after all CreateFcns called% Hint: popupmenu controls usually have

50、 a white background on Windows.% See ISPC and COMPUTER.if ispc && isequal(get(hObject,'BackgroundColor'), get(0,'defaultUicontrolBackgroundColor') set(hObject,'BackgroundColor','white');end% - Executes on button press in pushbutton10.function pushbutton10_Callback(hObject, eventdata, handles)%檢測% hObject handle to pushbutton10 (see GCBO)% eventdata reserved - to be defined in a future version of MATLAB% handles structure with handles and user data (see GUIDATA)global Tstr=get(handles.popupmenu4,'value');axes(handles.axes2);if numel(size(handles.