课程设计-基于matlab实现的验证码识别源码(带GUI界面).zip

function varargout = captcha(varargin) % CAPTCHA MATLAB code for captcha.fig % CAPTCHA, by itself, creates a new CAPTCHA or raises the existing % singleton*. % % H = CAPTCHA returns the handle to a new CAPTCHA or the handle to % the existing singleton*. % % CAPTCHA('CALLBACK',hObject,eventData,handles,...) calls the local % function named CALLBACK in CAPTCHA.M with the given input arguments. % % CAPTCHA('Property','Value',...) creates a new CAPTCHA or raises the % existing singleton*. Starting from the left, property value pairs are % applied to the GUI before captcha_OpeningFcn gets called. An % unrecognized property name or invalid value makes property application % stop. All inputs are passed to captcha_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 captcha % Last Modified by GUIDE v2.5 31-May-2017 09:25:53 % Begin initialization code - DO NOT EDIT gui_Singleton = 1; gui_State = struct('gui_Name', mfilename, ... 'gui_Singleton', gui_Singleton, ... 'gui_OpeningFcn', @captcha_OpeningFcn, ... 'gui_OutputFcn', @captcha_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 captcha is made visible. function captcha_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 captcha (see VARARGIN) % Choose default command line output for captcha handles.output = hObject; % Update handles structure guidata(hObject, handles); % UIWAIT makes captcha wait for user response (see UIRESUME) % uiwait(handles.figure_captcha); % --- Outputs from this function are returned to the command line. function varargout = captcha_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 m_file_Callback(hObject, eventdata, handles) % hObject handle to m_file (see GCBO) % eventdata reserved - to be defined in a future version of MATLAB % handles structure with handles and user data (see GUIDATA) % -------------------------------------------------------------------- function m_file_open_Callback(hObject, eventdata, handles) % hObject handle to m_file_open (see GCBO) % eventdata reserved - to be defined in a future version of MATLAB % handles structure with handles and user data (see GUIDATA) [filename, pathname] = uigetfile( ... {'*.bmp;*.jpg;*.png;*.jpeg','Image Files (*.bmp, *.jpg, *.png,*.jpeg)'; ... '*.*', 'All Files (*.*)'}, ... 'Pick an image'); if isequal(filename,0) || isequal(pathname,0), return; end axes(handles.axes_src); % 用axes命令设定当前操作的坐标轴是axes_src fpath=[pathname filename]; % 将文件名和目录名组合成一个完整的路径 img_src=imread(fpath); imshow(img_src); % 用imread读入图片，并用imshow在axes_src上显示 % 显示文件名 set(handles.text_srcname, 'String', filename); % 初始化checkbox set(handles.checkbox1, 'Value', 0); set(handles.checkbox2, 'Value', 0); set(handles.checkbox3, 'Value', 0); set(handles.checkbox4, 'Value', 0); N = 25; k = 4; [Centroids, cooridx, IbSet] = seg_picture(fpath, k, N); setappdata(handles.figure_captcha, 'IbSet', IbSet); setappdata(handles.figure_captcha, 'N', N); setappdata(handles.figure_captcha, 'k', k); setappdata(handles.figure_captcha, 'answer', filename(1:4)); % -------------------------------------------------------------------- function m_file_exit_Callback(hObject, eventdata, handles) % hObject handle to m_file_exit (see GCBO) % eventdata reserved - to be defined in a future version of MATLAB % handles structure with handles and user data (see GUIDATA) close(handles.figure_captcha); % --- Executes on button press in predict_button. function predict_button_Callback(hObject, eventdata, handles) % hObject handle to predict_button (see GCBO) % eventdata reserved - to be defined in a future version of MATLAB % handles structure with handles and user data (see GUIDATA) IbSet = getappdata(handles.figure_captcha, 'IbSet'); % 取得打开图片的数据 N = getappdata(handles.figure_captcha, 'N'); k = getappdata(handles.figure_captcha, 'k'); answer = getappdata(handles.figure_captcha, 'answer'); % 显示单个二值图片，这段写的太丑了 load trainData_knn.mat KNEAREST = 5; Mdl = fitcknn(knnChars, knnLabels, 'NumNeighbors', KNEAREST); correctCnt = 0; axes(handles.axes_1); % 用axes命令设定当前操作的坐标轴是axes_src Ib = extractIb(IbSet, N, 1); imshow(Ib); label = knn_predict(Mdl, Ib); set(handles.text_1, 'String', label); if label == answer(1) set(handles.checkbox1, 'Value', 1); correctCnt = correctCnt + 1; end axes(handles.axes_2); % 用axes命令设定当前操作的坐标轴是axes_src Ib = extractIb(IbSet, N, 2); imshow(Ib); label = knn_predict(Mdl, Ib); set(handles.text_2, 'String', label); if label == answer(2) set(handles.checkbox2, 'Value', 1); correctCnt = correctCnt + 1; end axes(handles.axes_3); % 用axes命令设定当前操作的坐标轴是axes_src Ib = extractIb(IbSet, N, 3); imshow(Ib); label = knn_predict(Mdl, Ib); set(handles.text_3, 'String', label); if label == answer(3) set(handles.checkbox3, 'Value', 1); correctCnt = correctCnt + 1; end axes(handles.axes_4); % 用axes命令设定当前操作的坐标轴是axes_src Ib = extractIb(IbSet, N, 4); imshow(Ib); label = knn_predict(Mdl, Ib); set(handles.text_4, 'String', label); if label == answer(4) set(handles.checkbox4, 'Value', 1); correctCnt = correctCnt + 1; end set(handles.text_rate, 'String', sprintf('%2.2f%%', correctCnt / 4 * 100) ); % --- Executes on button press in checkbox1. function checkbox1_Callback(hObject, eventdata, handles) % hObject handle to checkbox1 (see GCBO) % eventdata reserved - to be defined in a future version of MATLAB % handles structure with handles and user data (see GUIDATA) % Hint: get(hObject,'Value') returns toggle state of checkbox1 % --- Executes on button press in checkbox2. function checkbox2_Callback(hObject, eventdata, handles) % hObject handle to checkbox2 (see GCBO) % eventdata reserved - to be defined in a future version of MATLAB % handles structure with handles and user data (see GUIDATA) % Hint: get(hObject,'Value') returns toggle state of checkbox2 % --- Executes on button press in checkbox3. function checkbox3_Callback(hObject, eventdata, handles) % hObject handle to checkbox3 (see GCBO) % eventdata reserved - to be defined in a future version of MATLAB % handles structure with handles and user data (see GUIDATA) % Hint: get(hObject,'Value') returns toggle state of checkbox3 % --- Executes on button press in checkbox4. function checkbox4_Callback(hObject, eventdata, handles) % hObject handle to checkbox4 (see GCBO) % eventdata reserved - to be defined in a future version of MATLAB % handles structure with handles and user data (see GUIDATA) % Hint: get(hObject,'Val