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【旗帜识别】基于matlab GUI旗帜识别【含Matlab源码 1383期】

一、数字图像处理简介

图像处理基础教程链接 1 【基础教程】基于matlab图像处理(表示方法+数据结构+基本格式+类型转换+读取+点运算+代数运算)【含Matlab源码 834期】 2 【基础教程】基于matlab图像处理(读写+显示+运算+转换+变换+增强+滤波+分析+统计)【含Matlab源码 144期】 3 【基础教程】基于matlab图像增强+复原+分割【含Matlab源码 056期】

二、部分源代码

function varargout = flash_card(varargin)
% FLASH_CARD MATLAB code for flash_card.fig
%      FLASH_CARD, by itself, creates a new FLASH_CARD or raises the existing
%      singleton*.
%
%      H = FLASH_CARD returns the handle to a new FLASH_CARD or the handle to
%      the existing singleton*.
%
%      FLASH_CARD('CALLBACK',hObject,eventData,handles,...) calls the local
%      function named CALLBACK in FLASH_CARD.M with the given input arguments.
%
%      FLASH_CARD('Property','Value',...) creates a new FLASH_CARD or raises the
%      existing singleton*.  Starting from the left, property value pairs are
%      applied to the GUI before flash_card_OpeningFcn gets called.  An
%      unrecognized property name or invalid value makes property application
%      stop.  All inputs are passed to flash_card_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 flash_card

% Last Modified by GUIDE v2.5 09-Mar-2021 14:00:14

% Begin initialization code - DO NOT EDIT
gui_Singleton = 1;
gui_State = struct('gui_Name',       mfilename, ...
                   'gui_Singleton',  gui_Singleton, ...
                   'gui_OpeningFcn', @flash_card_OpeningFcn, ...
                   'gui_OutputFcn',  @flash_card_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 flash_card is made visible.
function flash_card_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 flash_card (see VARARGIN)

% Choose default command line output for flash_card
handles.output = hObject;

set(handles.hard_prob,'UserData',str2double(get(handles.hard_prob,'string')))
set(handles.medium_prob,'UserData',str2double(get(handles.medium_prob,'string')))
set(handles.easy_prob,'UserData',str2double(get(handles.easy_prob,'string')))
handles.probs=[];
handles.names=[];
handles.D=[];
handles.current_card=[];

% Update handles structure
guidata(hObject, handles);

% UIWAIT makes flash_card wait for user response (see UIRESUME)
% uiwait(handles.figure1);


% --- Outputs from this function are returned to the command line.
function varargout = flash_card_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 file_1_Callback(hObject, eventdata, handles)
% hObject    handle to file_1 (see GCBO)
% eventdata  reserved - to be defined in a future version of MATLAB
% handles    structure with handles and user data (see GUIDATA)



%
function gen_flash_card_file(d)

if d==0
    msgbox('Please select a valid folder');
    return;
end
dout=dir(d);
fname=sprintf('%s/flash_card.txt',d);
if exist(fname,'file')
    qans=questdlg(sprintf('A list file %s already exists, overwrite?',fname));
    if ~strcmp(qans,'Yes')
       return; 
    end
else
    qans=questdlg(sprintf('List file %s doesn''t exist, create?',fname));
    if ~strcmp(qans,'Yes')
        return;
    end
end
fout=fopen(fname,'w');
for fid=1:length(dout)
    fname=dout(fid).name;
    if dout(fid).isdir; continue; end; % skip directories
    fprintf(fout,'%s;%s;1\n',fname,strip(fname));
end
fclose(fout);
msgbox(sprintf('List file flash_card.txt created under %s',d));

% 
function fname=strip(fname)
fname=strrep(fname,'_',' ');
ids=findstr(fname,'.');
if ~isempty(ids)
    fname=fname(1:ids(1)-1);
end




% --------------------------------------------------------------------
function exit_1_Callback(hObject, eventdata, handles)
% hObject    handle to exit_1 (see GCBO)
% eventdata  reserved - to be defined in a future version of MATLAB
% handles    structure with handles and user data (see GUIDATA)
close(handles.figure1);


% --------------------------------------------------------------------
function tool_2_Callback(hObject, eventdata, handles)
% hObject    handle to tool_2 (see GCBO)
% eventdata  reserved - to be defined in a future version of MATLAB
% handles    structure with handles and user data (see GUIDATA)


% --------------------------------------------------------------------
function generate_3_Callback(hObject, eventdata, handles)
% hObject    handle to generate_3 (see GCBO)
% eventdata  reserved - to be defined in a future version of MATLAB
% handles    structure with handles and user data (see GUIDATA)
popupmessage('flash_card_help.txt','Flash Card Help');

% --------------------------------------------------------------------
function load_1_Callback(hObject, eventdata, handles)
% hObject    handle to load_1 (see GCBO)
% eventdata  reserved - to be defined in a future version of MATLAB
% handles    structure with handles and user data (see GUIDATA)
d=uigetdir;
if d==0
    msgbox('Please select a valid folder');
    disable_buttons(handles);
    disable_menus(handles);
    return;
end
enable_menus(handles);
save_probs(hObject, handles); % save previous probabilities
if ~exist(sprintf('%s/flash_card.txt',d),'file')
    gen_flash_card_file(d);
end
[names,probs]=load_data(d);
if isempty(names)
    disable_buttons(handles);
    disable_menus(handles);
else
    enable_buttons(handles);
    enable_menus(handles);
end
handles.names=names;
handles.probs=probs;
handles.D=d;
guidata(hObject, handles);
get_next_card(hObject,handles);

function disable_menus(handles)
set(handles.Untitled_2,'enable','off');
set(handles.Untitled_3,'enable','off');

function enable_menus(handles)
set(handles.Untitled_2,'enable','on');
set(handles.Untitled_3,'enable','on');

function disable_buttons(handles)
set(handles.pushbutton1,'enable','off');
set(handles.pushbutton2,'enable','off');
set(handles.pushbutton3,'enable','off');
set(handles.pushbutton4,'enable','off');

function enable_buttons(handles)
set(handles.pushbutton1,'enable','off');
set(handles.pushbutton2,'enable','off');
set(handles.pushbutton3,'enable','off');
set(handles.pushbutton4,'enable','on');
% 
function [names,probs]=load_data(d)
names=[]; probs=[];
fname=sprintf('%s/flash_card.txt',d);
fin=fopen(fname,'r');
if fin <0; 
    msgbox(sprintf('Cannot open list file %s',fname));
    return;
end
did=1;
disable_ui;
try
  while 1
    tline=fgetl(fin);
    if ~ischar(tline); break; end;
    sids=strfind(tline,';');
    names(did).fname=tline(1:sids(1)-1);
    names(did).pname=tline(sids(1)+1:sids(2)-1);
    probs(did)=str2double(tline(sids(2)+1:end));
    did=did+1;
  end
catch
    msgbox('flash_card.txt is corrupted. Please regenerate list file from Tool Menu');
    fclose(fin);
    return;
end
复制代码

三、运行结果

在这里插入图片描述

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]陈浩,方勇,朱大洲,王成,陈子龙.基于蚁群算法的玉米植株热红外图像边缘检测[J].农机化研究. 2015,37(06)

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