數(shù)字圖像處理課程設(shè)計(jì)--實(shí)現(xiàn)簡單的數(shù)字圖像處理功能

1、<p>　　題目： 數(shù)字圖像處理課程設(shè)計(jì)</p><p>　　姓 名： </p><p>　　學(xué) 號(hào)： </p><p>　　班 級(jí)： </p><p>　　指導(dǎo)老師：

2、 　 </p><p>　　專 業(yè)： 信息工程（系統(tǒng)控制方向） </p><p>　　2013年 12月19日</p><p><b>　　設(shè)計(jì)目標(biāo)</b></p><p>　　實(shí)現(xiàn)簡單的數(shù)字圖像處理功能</p><p><b>　　直方圖均勻化

3、；</b></p><p><b>　　顯示原圖；</b></p><p><b>　　比例放大5倍；</b></p><p>　　非比例放大到800*800像素；</p><p><b>　　線性變換；</b></p><p>　　檢測圖像

4、中的點(diǎn)、線和邊緣；分別采用 Sobel，Prewitt，Robert算子進(jìn)行邊緣銳化。</p><p><b>　　設(shè)計(jì)內(nèi)容及要求：</b></p><p>　?。?）、獨(dú)立設(shè)計(jì)方案，實(shí)現(xiàn)對(duì)圖像的4種及以上處理（比如：底片化效果、灰度增強(qiáng)、圖像復(fù)原等等），并至少對(duì)其中一種處理方法獨(dú)立編程實(shí)現(xiàn)，不能完全使用工具箱中的函數(shù)。</p><p>　?。?/p>

5、2）、參考photoshop軟件或參考matlab軟件中GUI設(shè)計(jì)，設(shè)計(jì)軟件界面，對(duì)處理前后的圖像以及直方圖等進(jìn)行對(duì)比顯示；</p><p>　?。?）、將實(shí)驗(yàn)結(jié)果與其他軟件實(shí)現(xiàn)的效果進(jìn)行比較、分析?？偨Y(jié)設(shè)計(jì)過程所遇到的問題。</p><p>　?。?）、可設(shè)計(jì)菜單式界面，在功能較少的情況下，也可以設(shè)計(jì)按鍵式界面，視功能多少而定。</p><p><b>

6、　　三、設(shè)計(jì)過程及步驟</b></p><p>　　1）使用圖形用戶界面開發(fā)環(huán)境（GUIDE）中的開發(fā)工具,設(shè)計(jì)GUI布局；</p><p>　　2）創(chuàng)建GUI應(yīng)用程序，在自動(dòng)生成的M文件中編寫程序代碼及調(diào)用相關(guān)函數(shù)，運(yùn)行結(jié)果如下：</p><p><b>　　直方圖均勻化</b></p><p><b

7、>　　顯示原圖</b></p><p><b>　　非比例放大</b></p><p><b>　　比例放大</b></p><p><b>　　線性變換</b></p><p><b>　　邊緣銳化</b></p><

8、;p>　　四、MATLAB源代碼</p><p>　　function varargout = untitled(varargin)</p><p>　　% UNTITLED MATLAB code for untitled.fig</p><p>　　% UNTITLED, by itself, creates a new UNTITLED or

9、raises the existing</p><p>　　% singleton*.</p><p><b>　　%</b></p><p>　　% H = UNTITLED returns the handle to a new UNTITLED or the handle to</p><p>

10、　　% the existing singleton*.</p><p><b>　　%</b></p><p>　　% UNTITLED('CALLBACK',hObject,eventData,handles,...) calls the local</p><p>　　% function n

11、amed CALLBACK in UNTITLED.M with the given input arguments.</p><p><b>　　%</b></p><p>　　% UNTITLED('Property','Value',...) creates a new UNTITLED or raises the<

12、;/p><p>　　% existing singleton*. Starting from the left, property value pairs are</p><p>　　% applied to the GUI before untitled_OpeningFcn gets called. An</p><p>　　% u

13、nrecognized property name or invalid value makes property application</p><p>　　% stop. All inputs are passed to untitled_OpeningFcn via varargin.</p><p><b>　　%</b></p>&

14、lt;p>　　% *See GUI Options on GUIDE's Tools menu. Choose "GUI allows only one</p><p>　　% instance to run (singleton)".</p><p><b>　　%</b></p><p&g

15、t;　　% See also: GUIDE, GUIDATA, GUIHANDLES</p><p>　　% Edit the above text to modify the response to help untitled</p><p>　　% Last Modified by GUIDE v2.5 06-Dec-2013 13:54:24</p><p>

16、　　% Begin initialization code - DO NOT EDIT</p><p>　　gui_Singleton = 1;</p><p>　　gui_State = struct('gui_Name', mfilename, ...</p><p>　　'gui_Singleton', gui_S

17、ingleton, ...</p><p>　　'gui_OpeningFcn', @untitled_OpeningFcn, ...</p><p>　　'gui_OutputFcn', @untitled_OutputFcn, ...</p><p>　　'gui_LayoutFcn', [] , ...<

18、;/p><p>　　'gui_Callback', []);</p><p>　　if nargin && ischar(varargin{1})</p><p>　　gui_State.gui_Callback = str2func(varargin{1});</p><p><b>　　end&l

19、t;/b></p><p>　　if nargout</p><p>　　[varargout{1:nargout}] = gui_mainfcn(gui_State, varargin{:});</p><p><b>　　else</b></p><p>　　gui_mainfcn(gui_State, var

20、argin{:});</p><p><b>　　end</b></p><p>　　% End initialization code - DO NOT EDIT</p><p>　　% --- Executes just before untitled is made visible.</p><p>　　funct

21、ion untitled_OpeningFcn(hObject, eventdata, handles, varargin)</p><p>　　% This function has no output args, see OutputFcn.</p><p>　　% hObject handle to figure</p><p>　　% eventdat

22、a reserved - to be defined in a future version of MATLAB</p><p>　　% handles structure with handles and user data (see GUIDATA)</p><p>　　% varargin command line arguments to untitled (see V

23、ARARGIN)</p><p>　　% Choose default command line output for untitled</p><p>　　handles.output = hObject;</p><p>　　% Update handles structure</p><p>　　guidata(hObject, han

24、dles);</p><p>　　% UIWAIT makes untitled wait for user response (see UIRESUME)</p><p>　　% uiwait(handles.figure1);</p><p>　　% --- Outputs from this function are returned to the comma

25、nd line.</p><p>　　function varargout = untitled_OutputFcn(hObject, eventdata, handles) </p><p>　　% varargout cell array for returning output args (see VARARGOUT);</p><p>　　% hObjec

26、t handle to figure</p><p>　　% eventdata reserved - to be defined in a future version of MATLAB</p><p>　　% handles structure with handles and user data (see GUIDATA)</p><p>　　

27、% Get default command line output from handles structure</p><p>　　varargout{1} = handles.output;</p><p><b>　　%顯示原圖</b></p><p>　　% --- Executes on button press in pushbut

28、ton1.</p><p>　　function pushbutton1_Callback(hObject, eventdata, handles)</p><p>　　a=imread('cameraman.jpg');</p><p>　　imshow(a);</p><p>　　% hObject handle t

29、o pushbutton1 (see GCBO)</p><p>　　% eventdata reserved - to be defined in a future version of MATLAB</p><p>　　% handles structure with handles and user data (see GUIDATA)</p><p>

30、;<b>　　% 比例放大</b></p><p>　　% --- Executes on button press in pushbutton3.</p><p>　　function pushbutton3_Callback(hObject, eventdata, handles)</p><p>　　a=imread('camer

31、aman.jpg');</p><p>　　b=imresize(a,5,'bilinear');</p><p>　　imshow(b);</p><p>　　% hObject handle to pushbutton3 (see GCBO)</p><p>　　% eventdata reserved -

32、 to be defined in a future version of MATLAB</p><p>　　% handles structure with handles and user data (see GUIDATA)</p><p><b>　　% 非比例放大</b></p><p>　　% --- Executes on

33、button press in pushbutton4.</p><p>　　function pushbutton4_Callback(hObject, eventdata, handles)</p><p>　　a=imread('cameraman.jpg');</p><p>　　c=imresize(a,[800 800]);</p&

34、gt;<p>　　imshow(c);</p><p>　　% hObject handle to pushbutton4 (see GCBO)</p><p>　　% eventdata reserved - to be defined in a future version of MATLAB</p><p>　　% handles

35、structure with handles and user data (see GUIDATA)</p><p><b>　　% 直方圖均勻化</b></p><p>　　% --- Executes on button press in pushbutton6.</p><p>　　function pushbutton6_Callbac

36、k(hObject, eventdata, handles)</p><p>　　I=imread('cameraman.jpg');</p><p>　　J=histeq(I);</p><p>　　subplot(411);</p><p>　　imshow(I);</p><p>　　subplo

37、t(412);</p><p>　　imshow(J);</p><p>　　subplot(413);</p><p>　　imhist(I);</p><p>　　subplot(414);</p><p>　　imhist(J);</p><p>　　% hObject handle

38、 to pushbutton6 (see GCBO)</p><p>　　% eventdata reserved - to be defined in a future version of MATLAB</p><p>　　% handles structure with handles and user data (see GUIDATA)</p><p&

39、gt;<b>　　%線性變換</b></p><p>　　% --- Executes on button press in pushbutton7.</p><p>　　function pushbutton7_Callback(hObject, eventdata, handles)</p><p>　　a=imread('came

40、raman.jpg');</p><p><b>　　b=2*a+1;</b></p><p>　　subplot(2,1,1);</p><p>　　imshow(a);</p><p>　　subplot(2,1,2);</p><p>　　imshow(b);</p>

41、<p>　　% hObject handle to pushbutton7 (see GCBO)</p><p>　　% eventdata reserved - to be defined in a future version of MATLAB</p><p>　　% handles structure with handles and user data (

42、see GUIDATA)</p><p><b>　　% 邊緣檢測銳化</b></p><p>　　% --- Executes on button press in pushbutton8.</p><p>　　function pushbutton8_Callback(hObject, eventdata, handles)</p&g

43、t;<p>　　I = imread('cameraman.jpg');</p><p>　　H=fspecial('sobel');</p><p>　　J=imfilter(I,H);</p><p>　　K=fspecial('prewitt');</p><p>　　M=i

44、mfilter(I,K);</p><p>　　G=edge(I,'roberts');</p><p>　　subplot(4,1,1); </p><p>　　imshow(I);</p><p>　　subplot(4,1,2); </p><p>　　imshow(J);</p>

45、<p>　　subplot(4,1,3); </p><p>　　imshow(M);</p><p>　　subplot(4,1,4); </p><p>　　imshow(G);</p><p>　　% hObject handle to pushbutton8 (see GCBO)</p><p>

46、;　　% eventdata reserved - to be defined in a future version of MATLAB</p><p>　　% handles structure with handles and user data (see GUIDATA)</p><p><b>　　%退出 </b></p><p&

47、gt;　　% --- Executes on button press in pushbutton9.</p><p>　　function pushbutton9_Callback(hObject, eventdata, handles)</p><p><b>　　exit(0);</b></p><p>　　% hObject ha

48、ndle to pushbutton9 (see GCBO)</p><p>　　% eventdata reserved - to be defined in a future version of MATLAB</p><p>　　% handles structure with handles and user data (see GUIDATA)</p>&l