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function varargout = HoughObject(varargin)
% HOUGHOBJECT M-file for HoughObject.fig
% HOUGHOBJECT, by itself, creates a new HOUGHOBJECT or raises the existing
% singleton*.
%
% H = HOUGHOBJECT returns the handle to a new HOUGHOBJECT or the handle to
% the existing singleton*.
%
% HOUGHOBJECT('CALLBACK',hObject,eventData,handles,...) calls the local
% function named CALLBACK in HOUGHOBJECT.M with the given input arguments.
%
% HOUGHOBJECT('Property','Value',...) creates a new HOUGHOBJECT or raises the
% existing singleton*. Starting from the left, property value pairs are
% applied to the GUI before HoughObject_OpeningFunction gets called. An
% unrecognized property name or invalid value makes property application
% stop. All inputs are passed to HoughObject_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 HoughObject
% Last Modified by GUIDE v2.5 07-Dec-2005 20:15:07
% Begin initialization code - DO NOT EDIT
gui_Singleton = 1;
gui_State = struct('gui_Name', mfilename, ...
'gui_Singleton', gui_Singleton, ...
'gui_OpeningFcn', @HoughObject_OpeningFcn, ...
'gui_OutputFcn', @HoughObject_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 HoughObject is made visible.
function HoughObject_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 HoughObject (see VARARGIN)
% Choose default command line output for HoughObject
handles.output = hObject;
% Update handles structure
guidata(hObject, handles);
% UIWAIT makes HoughObject wait for user response (see UIRESUME)
% uiwait(handles.figure1);
% --- Outputs from this function are returned to the command line.
function varargout = HoughObject_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 pbGenerate.
function pbGenerate_Callback(hObject, eventdata, handles)
% hObject handle to pbGenerate (see GCBO)
% eventdata reserved - to be defined in a future version of MATLAB
% handles structure with handles and user data (see GUIDATA)
load ObjectTemplate
S1 = zeros(180,180);
Str = {'Sq','Sc','St'};
a = 1; b = 3;
x = round(a + (b-a) * rand(1));
S2 = eval(Str{x});
a = 1; b = 90;
x = round(a + (b-a) * rand(1));
S3 = imrotate(S2,x);
S = S1;
sz = size(S3);
a = 1; b = min(sz);
x = round(a + (b-a) * rand(1));
S(x:sz(1)+x-1,x:sz(2)+x-1)=S3;
S = im2bw(S);
axes(handles.axes1);
imshow(S);
title('Original Image');
handles.S = S;
guidata(hObject, handles);
% --- Executes on button press in pnHough.
function pnHough_Callback(hObject, eventdata, handles)
% hObject handle to pnHough (see GCBO)
% eventdata reserved - to be defined in a future version of MATLAB
% handles structure with handles and user data (see GUIDATA)
S = handles.S;
[H, theta,rho]=hough(S);
axes(handles.axes2);
imshow(H,[],'xdata',theta,'ydata',rho);
xlabel('\theta'),ylabel('\rho')
axis on, axis normal;
title('Hough Matrix');
clear data;
for cnt = 1:max(max(H))
data(cnt) = sum(sum(H == cnt));
end
axes(handles.axes3);
%data(data==0)=NaN;
plot(data,'--x');
xlabel('Hough Matrix Intensity'),ylabel('Counts')
handles.data = data;
guidata(hObject, handles);
% --- Executes on button press in pbDetect.
function pbDetect_Callback(hObject, eventdata, handles)
% hObject handle to pbDetect (see GCBO)
% eventdata reserved - to be defined in a future version of MATLAB
% handles structure with handles and user data (see GUIDATA)
data = handles.data;
[maxval,maxind] = max(data);
medval = median(data);
[p]=polyfit(1:maxind-5,data(1:maxind-5),2);
if maxval<3*medval
set(handles.txtResult,'string','Triangle');
elseif p(3)>100
set(handles.txtResult,'string','Square');
else
set(handles.txtResult,'string','Round');
end
% --- Executes on button press in pbInfo.
function pbInfo_Callback(hObject, eventdata, handles)
% hObject handle to pbInfo (see GCBO)
% eventdata reserved - to be defined in a future version of MATLAB
% handles structure with handles and user data (see GUIDATA)
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