《数字图像处理》课程设计-MATLAB手写数字识别

function varargout = num_sb(varargin) gui_Singleton = 1; gui_State = struct('gui_Name', mfilename, ... 'gui_Singleton', gui_Singleton, ... 'gui_OpeningFcn', @num_sb_OpeningFcn, ... 'gui_OutputFcn', @num_sb_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 function num_sb_OpeningFcn(hObject, eventdata, handles, varargin) handles.output = hObject; clear global;clc set(gcf,'name','手写数字识别'); %修改GUI的界面名称 guidata(hObject, handles); function varargout = num_sb_OutputFcn(hObject, eventdata, handles) varargout{1} = handles.output; % --- Executes on button press in pushbutton1. function pushbutton1_Callback(hObject, eventdata, handles) ol_0=[1 7 10]; %欧拉数为0的数 ol_1=[2 3 4 5 6 8]; %欧拉数为1的数 load pic1.mat; [Fnameh,Pnameh]=uigetfile({'*.*';'*.jpg';'*.png'});%Fnameh显示的文件名称，Pnameh显示的文件路径 filename=[Pnameh,Fnameh];%存储文件的路径及名称 I=imread(filename); %读取图像 imshow(I); I_out=grow(I); L=length(I_out); num=zeros(1,L); for i=1:L I1=I_out(i); I1=cell2mat(I1); figure,imshow(I1) Io=~imbinarize(I1,graythresh(I1)); Io=imdilate(Io,strel('disk',3)); ol=bweuler(Io); if ol==-1 num(i)=8; else GJ=chuli(I1); xsd=zeros(1,10); GJpass=imresize(GJ,[512 512]); if ol==1 for j=1:6 xsd(j)=corr2(GJpass,GJ2(:,:,ol_1(j))); end xsd=abs(xsd); num(i)=ol_1(xsd==max(xsd))-1; elseif ol==0 for j=1:3 xsd(j)=corr2(GJpass,GJ2(:,:,ol_0(j))); end xsd=abs(xsd); num(i)=ol_0(xsd==max(xsd))-1; else for j=0:9 xsd(j+1)=corr2(GJpass,GJ2(:,:,j+1)); end xsd=abs(xsd); num(i)=find(xsd==max(xsd))-1; end end end b=num2str(num); b(b==' ')=''; set(handles.edit1,'string',b); function edit1_Callback(hObject, eventdata, handles) % --- Executes during object creation, after setting all properties. function edit1_CreateFcn(hObject, eventdata, handles) if ispc && isequal(get(hObject,'BackgroundColor'), get(0,'defaultUicontrolBackgroundColor')) set(hObject,'BackgroundColor','white'); end % --- Executes during object creation, after setting all properties. function axes1_CreateFcn(hObject, eventdata, handles) set(gca,'XColor',get(gca,'Color')) ;% 这两行代码功能：将坐标轴和坐标刻度转为白色 set(gca,'YColor',get(gca,'Color')); set(gca,'XTickLabel',[]); % 这两行代码功能：去除坐标刻度 set(gca,'YTickLabel',[]);