1 简介
数字图像处理涉及面广,实用性强的特点,而现有的数字图像处理实验平台体系结构复杂,不适合初学者学习,缺少紧扣教材的实验系统,学生很难深入理解数字图像处理的技术原理。在此采用Matlab的图形用户界面环境(GUI)设计,研制开发了相应的实验教学平台,其涵盖了数字图像处理中的几何变换、图像增强、图像平滑、边缘与分割、假彩色编码等内容。该实验平台界面友好,具有较强的可移植性和可扩展性,可以帮助学生更切实地掌握有关数字图像处理的内容。
2 部分代码
function varargout = cml20062036(varargin)
%CML20062036 M-file for cml20062036.fig
% CML20062036, by itself, creates a new CML20062036 or raises the existing
% singleton*.
%
% H = CML20062036 returns the handle to a new CML20062036 or the handle to
% the existing singleton*.
%
% CML20062036('Property','Value',...) creates a new CML20062036 using the
% given property value pairs. Unrecognized properties are passed via
% varargin to cml20062036_OpeningFcn. This calling syntax produces a
% warning when there is an existing singleton*.
%
% CML20062036('CALLBACK') and CML20062036('CALLBACK',hObject,...) call the
% local function named CALLBACK in CML20062036.M with the given input
% arguments.
%
% *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 cml20062036
% Last Modified by GUIDE v2.5 12-May-2009 12:43:40
% Begin initialization code - DO NOT EDIT
gui_Singleton = 1;
gui_State = struct('gui_Name', mfilename, ...
'gui_Singleton', gui_Singleton, ...
'gui_OpeningFcn', @cml20062036_OpeningFcn, ...
'gui_OutputFcn', @cml20062036_OutputFcn, ...
'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
% End initialization code - DO NOT EDIT
% --- Executes just before cml20062036 is made visible.
function cml20062036_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 cml20062036
handles.output = hObject;
% Update handles structure
guidata(hObject, handles);
% UIWAIT makes cml20062036 wait for user response (see UIRESUME)
% uiwait(handles.figure1);
% --- Outputs from this function are returned to the command line.
function varargout = cml20062036_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 structure
varargout{1} = handles.output;
% --------------------------------------------------------------------
function Untitled_1_Callback(hObject, eventdata, handles)
% hObject handle to Untitled_1 (see GCBO)
% eventdata reserved - to be defined in a future version of MATLAB
% handles structure with handles and user data (see GUIDATA)
% --------------------------------------------------------------------
function Untitled_2_Callback(hObject, eventdata, handles)
% hObject handle to Untitled_2 (see GCBO)
% eventdata reserved - to be defined in a future version of MATLAB
% handles structure with handles and user data (see GUIDATA)
% --------------------------------------------------------------------
function Untitled_3_Callback(hObject, eventdata, handles)
% hObject handle to Untitled_3 (see GCBO)
% eventdata reserved - to be defined in a future version of MATLAB
% handles structure with handles and user data (see GUIDATA)
% --------------------------------------------------------------------
function Untitled_4_Callback(hObject, eventdata, handles)
% hObject handle to Untitled_4 (see GCBO)
% eventdata reserved - to be defined in a future version of MATLAB
% handles structure with handles and user data (see GUIDATA)
% --------------------------------------------------------------------
function Untitled_5_Callback(hObject, eventdata, handles)
% hObject handle to Untitled_5 (see GCBO)
% eventdata reserved - to be defined in a future version of MATLAB
% handles structure with handles and user data (see GUIDATA)
% --------------------------------------------------------------------
function Untitled_6_Callback(hObject, eventdata, handles)
% hObject handle to Untitled_6 (see GCBO)
% eventdata reserved - to be defined in a future version of MATLAB
% handles structure with handles and user data (see GUIDATA)
% --------------------------------------------------------------------
function Untitled_31_Callback(hObject, eventdata, handles)
% hObject handle to Untitled_31 (see GCBO)
% eventdata reserved - to be defined in a future version of MATLAB
% handles structure with handles and user data (see GUIDATA)
clear
I=imread('cats.tif');
[X,map]=rgb2ind(I,0.1);
nbcol=size(map,1);
colormap(pink(nbcol));
cod_X=wcodemat(X,nbcol);
[ca1,ch1,cv1,cd1]=dwt2(X,'db1');
cod_ca1=wcodemat(ca1,nbcol);
cod_ch1=wcodemat(ch1,nbcol);
cod_cv1=wcodemat(cv1,nbcol);
cod_cd1=wcodemat(cd1,nbcol);
subplot(1,1,1),image([cod_ca1,cod_ch1;cod_cv1,cod_cd1]);title('对cats索引图像的1次小波分解')
% --------------------------------------------------------------------
function Untitled_32_Callback(hObject, eventdata, handles)
% hObject handle to Untitled_32 (see GCBO)
% eventdata reserved - to be defined in a future version of MATLAB
% handles structure with handles and user data (see GUIDATA)
clear
I=imread('cats.tif');
[X,map]=rgb2ind(I,0.1);
nbcol=size(map,1);
colormap(pink(nbcol));
cod_X=wcodemat(X,nbcol);
[ca1,ch1,cv1,cd1]=dwt2(X,'db1');
[ca2,ch2,cv2,cd2]=dwt2(ca1,'db1');
cod_ca2=wcodemat(ca2,nbcol);
cod_ch2=wcodemat(ch2,nbcol);
cod_cv2=wcodemat(cv2,nbcol);
cod_cd2=wcodemat(cd2,nbcol);
subplot(1,1,1),image([cod_ca2,cod_ch2;cod_cv2,cod_cd2])
title('对cats索引图像的2次小波分解')
% --------------------------------------------------------------------
function Untitled_33_Callback(hObject, eventdata, handles)
% hObject handle to Untitled_33 (see GCBO)
% eventdata reserved - to be defined in a future version of MATLAB
% handles structure with handles and user data (see GUIDATA)
clear
I=imread('cats.tif');
[X,map]=rgb2ind(I,0.1);
nbcol=size(map,1);
colormap(pink(nbcol));
cod_X=wcodemat(X,nbcol);
[ca1,ch1,cv1,cd1]=dwt2(X,'db1');
a0=idwt2(ca1,ch1,cv1,cd1,'db1',size(X));
a0=wcodemat(a0,nbcol);
subplot(1,1,1),image(a0)
title('对cats索引图像的第一层重构')
% --------------------------------------------------------------------
function Untitled_34_Callback(hObject, eventdata, handles)
% hObject handle to Untitled_34 (see GCBO)
% eventdata reserved - to be defined in a future version of MATLAB
% handles structure with handles and user data (see GUIDATA)
clear
I=imread('cats.tif');
[X,map]=rgb2ind(I,0.1);
nbcol=size(map,1);
colormap(pink(nbcol));
cod_X=wcodemat(X,nbcol);
[ca1,ch1,cv1,cd1]=dwt2(X,'db1');
[ca2,ch2,cv2,cd2]=dwt2(ca1,'db1');
a0=idwt2(ca2,ch2,cv2,cd2,'db1',size(X));
a0=wcodemat(a0,nbcol);
subplot(1,1,1),image(a0)
title('对cats索引图像的第二层重构')
3 仿真结果
4 参考文献
[1]李磊. 基于MATLAB GUI的数字图像处理系统设计[D]. 成都理工大学.
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