1 簡介

人臉識別是生物特征鑒別技術的一個主要方向,與其他生物特征相比,人臉識別具有主動性,非侵犯性和用戶友好等許多優(yōu)點,多年來一直受到許多研究者的關注.從最初的基于幾何的方法到基于統計等復雜特征的方法,人臉識別已經發(fā)展了很多算法.目前基于統計特征的線性方法在人臉識別中發(fā)展的比較成熟,但是由于人臉識別涉及光照,表情,姿態(tài)等問題,線性方法在實際應用中表現的遠遠不夠.因此,將線性方法拓展到非線性領域以提高識別率是一個亟待解決的問題.

2 部分代碼

function varargout = faceCore(varargin)% FACECORE M-file for faceCore.fig% ? ? ?FACECORE, by itself, creates a new FACECORE or raises the existing% ? ? ?singleton*.%% ? ? ?H = FACECORE returns the handle to a new FACECORE or the handle to% ? ? ?the existing singleton*.%% ? ? ?FACECORE('CALLBACK',hObject,eventData,handles,...) calls the local% ? ? ?function named CALLBACK in FACECORE.M with the given input arguments.%% ? ? ?FACECORE('Property','Value',...) creates a new FACECORE or raises the% ? ? ?existing singleton*. ?Starting from the left, property value pairs are% ? ? ?applied to the GUI before faceCore_OpeningFunction gets called. ?An% ? ? ?unrecognized property name or invalid value makes property application% ? ? ?stop. ?All inputs are passed to faceCore_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% Copyright 2002-2003 The MathWorks, Inc.% Edit the above text to modify the response to help faceCore% Last Modified by GUIDE v2.5 28-May-2009 10:21:26% Begin initialization code - DO NOT EDITgui_Singleton = 1;gui_State = struct('gui_Name', ? ? ? mfilename, ... ? ? ? ? ? ? ? ? ? 'gui_Singleton', ?gui_Singleton, ... ? ? ? ? ? ? ? ? ? 'gui_OpeningFcn', @faceCore_OpeningFcn, ... ? ? ? ? ? ? ? ? ? 'gui_OutputFcn', ?@faceCore_OutputFcn, ... ? ? ? ? ? ? ? ? ? 'gui_LayoutFcn', ?[] , ... ? ? ? ? ? ? ? ? ? 'gui_Callback', ? []);if nargin && ischar(varargin{1}) ? ?gui_State.gui_Callback = str2func(varargin{1});endif 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 faceCore is made visible.function faceCore_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 faceCore (see VARARGIN)% Choose default command line output for faceCorehandles.output = hObject;% Update handles structureguidata(hObject, handles);% UIWAIT makes faceCore wait for user response (see UIRESUME)% uiwait(handles.figure1);% --- Outputs from this function are returned to the command line.function varargout = faceCore_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 structurevarargout{1} = handles.output;% --- Executes on button press in pushbutton1.function pushbutton1_Callback(hObject, eventdata, handles)% hObject ? ?handle to pushbutton1 (see GCBO)% eventdata ?reserved - to be defined in a future version of MATLAB% handles ? ?structure with handles and user data (see GUIDATA)global TrainDatabasePath ;TrainDatabasePath = uigetdir(strcat(matlabroot,'\work'), '訓練庫路徑選擇...' );% --- Executes on button press in pushbutton2.function pushbutton2_Callback(hObject, eventdata, handles)% hObject ? ?handle to pushbutton2 (see GCBO)% eventdata ?reserved - to be defined in a future version of MATLAB% handles ? ?structure with handles and user data (see GUIDATA)global TestDatabasePath;TestDatabasePath = uigetdir(strcat(matlabroot,'\work'), '測試庫路徑選擇...');% --- Executes on button press in pushbutton3.%function pushbutton3_Callback(hObject, eventdata, handles)% hObject ? ?handle to pushbutton3 (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({'*.jpg';'*.bmp'},'');%str=[pathname ?filename];%im=imread(str);%axes(handles.axes1);%imshow(im);% --- Executes on button press in pushbutton4.function pushbutton4_Callback(hObject, eventdata, handles)% hObject ? ?handle to pushbutton4 (see GCBO)% eventdata ?reserved - to be defined in a future version of MATLAB% handles ? ?structure with handles and user data (see GUIDATA)global TrainDatabasePath ;global TestDatabasePath;global T;T = CreateDatabase(TrainDatabasePath);%[m V_PCA V_Fisher ProjectedImages_Fisher] = FisherfaceCore(T);% --- Executes on button press in pushbutton5.function pushbutton9_Callback(hObject, eventdata, handles)% hObject ? ?handle to pushbutton5 (see GCBO)% eventdata ?reserved - to be defined in a future version of MATLAB% handles ? ?structure with handles and user data (see GUIDATA)global im;[filename,pathname]=uigetfile({'*.jpg';'*.bmp'},'選擇測試圖片...');str=[pathname ?filename];im=imread(str);axes(handles.axes1);imshow(im);% --- Executes on button press in pushbutton6.function pushbutton6_Callback(hObject, eventdata, handles)% hObject ? ?handle to pushbutton6 (see GCBO)% eventdata ?reserved - to be defined in a future version of MATLAB% handles ? ?structure with handles and user data (see GUIDATA)%T = CreateDatabase(TrainDatabasePath);global T;global im;global TrainDatabasePath ;[m V_PCA V_Fisher ProjectedImages_Fisher] = FisherfaceCore(T);OutputName = Recognition(im, m, V_PCA, V_Fisher, ProjectedImages_Fisher);SelectedImage = strcat(TrainDatabasePath,'\',OutputName);SelectedImage = imread(SelectedImage);axes(handles.axes2);imshow(SelectedImage);%title('Equivalent Image');% --- Executes on button press in pushbutton7.function pushbutton7_Callback(hObject, eventdata, handles)% hObject ? ?handle to pushbutton7 (see GCBO)% eventdata ?reserved - to be defined in a future version of MATLAB% handles ? ?structure with handles and user data (see GUIDATA)clear all;clcclose(gcf);

3 仿真結果

4 參考文獻

[1]王平. 基于非線性Fisher判決的人臉識別方法研究[D]. 中國海洋大學.

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