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Matlab图像处理（进阶版）
路径规划（Matlab）
神经网络预测与分类（Matlab）
优化求解（Matlab）
语音处理（Matlab）
信号处理（Matlab）
车间调度（Matlab）
⛄一、图像分割简介
理论知识参考：【基础教程】基于matlab图像处理图像分割【含Matlab源码 191期】
⛄二、部分源代码
function varargout = GARoadCut(varargin)
% GAROADCUT MATLAB code for GARoadCut.fig
% GAROADCUT, by itself, creates a new GAROADCUT or raises the existing
% singleton*.
%
% H = GAROADCUT returns the handle to a new GAROADCUT or the handle to
% the existing singleton*.
%
% GAROADCUT(‘CALLBACK’,hObject,eventData,handles,…) calls the local
% function named CALLBACK in GAROADCUT.M with the given input arguments.
%
% GAROADCUT(‘Property’,‘Value’,…) creates a new GAROADCUT or raises the
% existing singleton*. Starting from the left, property value pairs are
% applied to the GUI before GARoadCut_OpeningFcn gets called. An
% unrecognized property name or invalid value makes property application
% stop. All inputs are passed to GARoadCut_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 GARoadCut
% Last Modified by GUIDE v2.5 02-Jan-2019 16:07:32
% Begin initialization code - DO NOT EDIT
gui_Singleton = 1;
gui_State = struct(‘gui_Name’, mfilename, …
‘gui_Singleton’, gui_Singleton, …
‘gui_OpeningFcn’, @GARoadCut_OpeningFcn, …
‘gui_OutputFcn’, @GARoadCut_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 GARoadCut is made visible.
function GARoadCut_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 command line arguments to GARoadCut (see VARARGIN)
% Choose default command line output for GARoadCut
handles.output = hObject;
% Update handles structure
guidata(hObject, handles);
% UIWAIT makes GARoadCut wait for user response (see UIRESUME)
% uiwait(handles.figure1);
% — Outputs from this function are returned to the command line.
function varargout = GARoadCut_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;
% — Executes on button press in SelectPhoto_button.
function SelectPhoto_button_Callback(hObject, eventdata, handles)
% hObject handle to SelectPhoto_button (see GCBO)
% eventdata reserved - to be defined in a future version of MATLAB
% handles structure with handles and user data (see GUIDATA)
global chrom oldpop fitness lchrom popsize cross_rate mutation_rate yuzhisum
global maxgen m n fit gen yuzhi A B C oldpop1 popsize1 b b1 fitness1 yuzhi1
axis off %%关闭坐标轴显示
[filename,pathname] =uigetfile({‘.jpeg’;'.bmp’;‘.jpg’;'.png’;‘.’},‘选择图片’);
str=[pathname filename];
%打开图像
A=imread(str); %读入道路图像
%打开axes1的句柄 进行axes1的操作
axes(handles.OriginPhoto);
%%在axes1中显示 图像
imshow(A);
% — Executes on button press in RUN_button.
function RUN_button_Callback(hObject, eventdata, handles)
% hObject handle to RUN_button (see GCBO)
% eventdata reserved - to be defined in a future version of MATLAB
% handles structure with handles and user data (see GUIDATA)
global chrom oldpop fitness lchrom popsize cross_rate mutation_rate yuzhisum
global maxgen m n fit gen yuzhi A B C oldpop1 popsize1 b b1 fitness1 yuzhi1 result bestyuzhi
bbox=msgbox(‘正在使用改进算法进行图像分割，请稍后…’);
%图像处理部分
B=rgb2gray(A); %将RGB图像转化成灰度图像
C=imresize(B,0.1); %将读入的图像缩小
data_1_str = get(handles.lchromNum, ‘string’);
lchrom = str2num(data_1_str);%染色体长度
data_2_str = get(handles.popsizeNum, ‘string’);
popsize=str2num(data_2_str); %种群大小
data_3_str = get(handles.crossNum, ‘string’);
cross_rate=str2double(data_3_str); %杂交概率
data_4_str = get(handles.mutationNum, ‘string’);
mutation_rate=str2double(data_4_str); %变异概率
%最大代数
data_5_str = get(handles.maxgenNum, ‘string’);
maxgen=str2num(data_5_str);
[m,n]=size©;
%初始种群
initpop;
%遗传操作
tic;
for gen=1:maxgen
fitness_order; %计算适应度值及排序
select; %选择操作
crossover; %交叉
mutation; %变异
end
set(handles.edit9, ‘string’, toc);%耗时
findresult; %图像分割结果
axes(handles.CuttedPhoto);
imshow©;
%%%%%%输出进化各曲线%%%%%%
set(handles.edit8, ‘string’, result);%最终阈值
axes(handles.Best);
gen=1:maxgen;
plot(gen,fit(1,gen));
axes(handles.BestYuzhi);
plot(gen,yuzhi(1,gen));
axes(handles.photoyuzhi);
plot(gen,bestyuzhi(1,gen));
close(bbox);
function popsizeNum_Callback(hObject, eventdata, handles)
% hObject handle to popsizeNum (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 popsizeNum as text
% str2double(get(hObject,‘String’)) returns contents of popsizeNum as a double
% — Executes during object creation, after setting all properties.
function popsizeNum_CreateFcn(hObject, eventdata, handles)
% hObject handle to popsizeNum (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 lchromNum_Callback(hObject, eventdata, handles)
% hObject handle to lchromNum (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 lchromNum as text
% str2double(get(hObject,‘String’)) returns contents of lchromNum as a double
% — Executes during object creation, after setting all properties.
function lchromNum_CreateFcn(hObject, eventdata, handles)
% hObject handle to lchromNum (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
⛄三、运行结果
⛄四、matlab版本及参考文献
1 matlab版本
2014a
2 参考文献
[1]赵勇,方宗德,庞辉,王侃伟.基于量子粒子群优化算法的最小交叉熵多阈值图像分割[J].计算机应用研究. 2008,(04)
3 备注
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