【图像分割】基于matlab GUI遗传算法Otsu图像分割【含Matlab源码 734期】

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});
endif nargout[varargout{1:nargout}] = gui_mainfcn(gui_State, varargin{:});
elsegui_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 bestyuzhibbox=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(C);%初始种群
initpop;
%遗传操作
tic;
for gen=1:maxgenfitness_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(C);
%%%%%%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');
endfunction 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] 蔡利梅.MATLAB图像处理——理论、算法与实例分析[M].清华大学出版社，2020.
[2]杨丹,赵海滨,龙哲.MATLAB图像处理实例详解[M].清华大学出版社，2013.
[3]周品.MATLAB图像处理与图形用户界面设计[M].清华大学出版社，2013.
[4]刘成龙.精通MATLAB图像处理[M].清华大学出版社，2015.
[5]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)

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