function numberdetect_Callback(hObject, eventdata, handles)
global t
global t1
t=timer('TimerFcn',{@timerCallback3,handles},'ExecutionMode', 'fixedDelay','Period', 0.1);
guidata(hObject,handles);
stop(t1);
start(t);
function timerCallback3(hObject, eventdata, handles)
global vid
global t
global frame
global c
if (vid==-1)
msgbox('請首先進行預覽！');
stop(t);
return;
end
frame=getsnapshot(vid);
imagen = rgb2gray(frame);
threshold = graythresh(imagen);
i_bw = ~im2bw(imagen,threshold);
i_bw2 = bwareaopen(i_bw,30);
i_bw3 = imclearborder(i_bw2);
re=i_bw3;
load templates
[fl re]=lines(re);
imgn=fl;
[L Ne] = bwlabel(imgn);
word = [];
for n=1:Ne
[r,d] = find(L==n);
n1=imgn(min(r):max(r),min(d):max(d));
img_r=imresize(n1,[42 24]);
comp=[];
for n=1: 24 : 240
sem=Corr2(templates(1:42,n:n+23),img_r);
comp=[comp sem];
end
vd=find(comp==max(comp));
if vd==1
letter='1';
elseif vd==2
letter='2';
elseif vd==3
letter='3';
elseif vd==4
letter='4';
elseif vd==5
letter='5';
elseif vd==6
letter='6';
elseif vd==7
letter='7';
elseif vd==8
letter='8';
elseif vd==9
letter='9';
else
letter='0';
end
word = [word letter];
end
if word == '40'
set(handles.text2,'string','40');
else
set(handles.text2,'string','no');
end
axes(handles.axesshow);
imshow(imagen);
end
function r = Corr2(A,B)
A = A - mean2(A);
B = B - mean2(B);
r = sum(sum(A.*B))/sqrt(sum(sum(A.*A))*sum(sum(B.*B)));
function [fl re]=lines(im_texto)
im_texto=clip(im_texto);
fl=im_texto;
re=[ ];
function img_out=clip(img_in)
[f c]=find(img_in);
img_out=img_in(min(f):max(f),min(c):max(c));
