Face , Nose , Eyes Detection (Complete Project Explanation ) with code| Image Processing with MATLAB
Code:
function varargout = Demo3(varargin)
% DEMO3 MATLAB code for Demo3.fig
% DEMO3, by itself, creates a new DEMO3 or raises the existing
% singleton*.
%
% H = DEMO3 returns the handle to a new DEMO3 or the handle to
% the existing singleton*.
%
% DEMO3('CALLBACK',hObject,eventData,handles,...) calls the local
% function named CALLBACK in DEMO3.M with the given input arguments.
%
% DEMO3('Property','Value',...) creates a new DEMO3 or raises the
% existing singleton*. Starting from the left, property value pairs are
% applied to the GUI before Demo3_OpeningFcn gets called. An
% unrecognized property name or invalid value makes property application
% stop. All inputs are passed to Demo3_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 Demo3
% Last Modified by GUIDE v2.5 07-Sep-2020 11:09:27
% Begin initialization code - DO NOT EDIT
gui_Singleton = 1;
gui_State = struct('gui_Name', mfilename, ...
'gui_Singleton', gui_Singleton, ...
'gui_OpeningFcn', @Demo3_OpeningFcn, ...
'gui_OutputFcn', @Demo3_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 Demo3 is made visible.
function Demo3_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 Demo3 (see VARARGIN)
% Choose default command line output for Demo3
handles.output = hObject;
% Update handles structure
guidata(hObject, handles);
% UIWAIT makes Demo3 wait for user response (see UIRESUME)
% uiwait(handles.figure1);
% --- Outputs from this function are returned to the command line.
function varargout = Demo3_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 Start_Webcam.
function Start_Webcam_Callback(hObject, eventdata, handles)
% hObject handle to Start_Webcam (see GCBO)
% eventdata reserved - to be defined in a future version of MATLAB
% handles structure with handles and user data (see GUIDATA)
global c;
global loopFlag;
loopFlag = true;
c=webcam;
while true
if(loopFlag ==false)
break;
else
e=c.snapshot;
axes(handles.axes1);
imshow(e);
drawnow;
end
end
% --- Executes on button press in Face_Detection.
function Face_Detection_Callback(hObject, eventdata, handles)
% hObject handle to Face_Detection (see GCBO)
% eventdata reserved - to be defined in a future version of MATLAB
% handles structure with handles and user data (see GUIDATA)
FDetect=vision.CascadeObjectDetector;
global loopFlag;
global c ;
while true
if(loopFlag ==false)
break;
else
e=c.snapshot;
BB=step(FDetect,e);
imshow(e);
hold on;
for i=1:size(BB,1)
rectangle('Position',BB(i,:),'Linewidth',5,'LineStyle','-','EdgeColor','r');
end
hold off;
drawnow;
end
end
% --- Executes on button press in Eye_Detection.
function Eye_Detection_Callback(hObject, eventdata, handles)
% hObject handle to Eye_Detection (see GCBO)
% eventdata reserved - to be defined in a future version of MATLAB
% handles structure with handles and user data (see GUIDATA)
FDetect=vision.CascadeObjectDetector('EyePairBig','MergeThreshold',50);
global loopFlag;
global c ;
while true
if(loopFlag ==false)
break;
else
e=c.snapshot;
BB=step(FDetect,e);
imshow(e);
hold on;
for i=1:size(BB,1)
rectangle('Position',BB(i,:),'Linewidth',5,'LineStyle','-','EdgeColor','r');
end
hold off;
drawnow;
end
end
% --- Executes on button press in Nose_Detection.
function Nose_Detection_Callback(hObject, eventdata, handles)
% hObject handle to Nose_Detection (see GCBO)
% eventdata reserved - to be defined in a future version of MATLAB
% handles structure with handles and user data (see GUIDATA)
global loopFlag;
global c ;
FDetect=vision.CascadeObjectDetector('Nose','MergeThreshold',30);
while true
if(loopFlag ==false)
break;
else
e=c.snapshot;
BB=step(FDetect,e);
imshow(e);
hold on;
for i=1:size(BB,1)
rectangle('Position',BB(i,:),'Linewidth',5,'LineStyle','-','EdgeColor','r');
end
hold off;
drawnow;
end
end
% --- Executes on button press in Close_Webcam.
function Close_Webcam_Callback(hObject, eventdata, handles)
% hObject handle to Close_Webcam (see GCBO)
% eventdata reserved - to be defined in a future version of MATLAB
% handles structure with handles and user data (see GUIDATA)
global loopFlag;
loopFlag=false;
clear global c;
axes(handles.axes1);
imshow('Thank.JPG');
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