MATLAB人脸检测

只看该作者 · 2018-7-13 19:07

function varargout = untitled1(varargin)
gui_Singleton = 1;
gui_State = struct('gui_Name',    mfilename, ...
               'gui_Singleton',  gui_Singleton, ...
               'gui_OpeningFcn', @untitled1_OpeningFcn, ...
               'gui_OutputFcn',  @untitled1_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 untitled1 is made visible.
function untitled1_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 untitled1 (see VARARGIN)

% Choose default command line output for untitled1
handles.output = hObject;

% Update handles structure
guidata(hObject, handles);
axis off

% --- Outputs from this function are returned to the command line.
function varargout = untitled1_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 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)

%%的人脸检测和跟踪使用实时视频采集

%视频流，使用KLT算法。

%显示视频帧。

%创建人脸检测对象。
faceDetector = vision.CascadeObjectDetector();

%创建点跟踪器对象。
pointTracker = vision.PointTracker('MaxBidirectionalError', 2);

%创建webcam对象。
vid = webcam();

% %创建webcam对象。
videoFrame = snapshot(vid);
frameSize = size(videoFrame);

% 创建视频播放器对象。
videoPlayer = vision.VideoPlayer('Position', [100 100 [frameSize(2), frameSize(1)]+30]);

runLoop = true;
numPts = 0;
frameCount = 0;

while runLoop && frameCount < 400

%获取下一帧。
videoFrame = snapshot(vid);
videoFrameGray = rgb2gray(videoFrame);
frameCount = frameCount + 1;

if numPts < 10
      %检测模式。
      bbox = faceDetector.step(videoFrameGray);

      if ~isempty(bbox)
         %找到检测区域内的角点。
         points = detectMinEigenFeatures(videoFrameGray, 'ROI', bbox(1, :));

         %重新初始化点跟踪器。
         xyPoints = points.Location;
         numPts = size(xyPoints,1);
         release(pointTracker);
         initialize(pointTracker, xyPoints, videoFrameGray);

         % %保存点的副本。
         oldPoints = xyPoints;

         % 将表示为[x, y, w, h]的矩形转换为an
         % m×2矩阵[x,y]四个角的坐标。这需要能够转换边框以显示脸部的朝向。
         bboxPoints = bbox2points(bbox(1, :));

         % %将方框角转换为[x1 y1 x2 y2 x3 y3 x4 y4]
         % 按insertShape要求的格式。
         bboxPolygon = reshape(bboxPoints', 1, []);

         % %在检测到的面周围显示边框。
         videoFrame = insertShape(videoFrame, 'Polygon', bboxPolygon, 'LineWidth', 3);


      end

else
      %%跟踪模式。
      [xyPoints, isFound] = step(pointTracker, videoFrameGray);
      visiblePoints = xyPoints(isFound, :);
      oldInliers = oldPoints(isFound, :);

      numPts = size(visiblePoints, 1);

      if numPts >= 10
         % 估计旧点之间的几何变换和新点。
         [xform, oldInliers, visiblePoints] = estimateGeometricTransform(...
            oldInliers, visiblePoints, 'similarity', 'MaxDistance', 4);

         %将转换应用到边框。
         bboxPoints = transformPointsForward(xform, bboxPoints);

         % %将方框角转换为[x1 y1 x2 y2 x3 y3 x4 y4]按insertShape要求的格式。
         bboxPolygon = reshape(bboxPoints', 1, []);

         %在被跟踪的脸部周围显示一个包围盒。
         videoFrame = insertShape(videoFrame, 'Polygon', bboxPolygon, 'LineWidth', 3);



         %重置点。
         oldPoints = visiblePoints;
         setPoints(pointTracker, oldPoints);
      end

end

%使用视频播放器对象显示带注释的视频帧。
step(videoPlayer, videoFrame);

%%检查视频播放窗口是否已关闭。
runLoop = isOpen(videoPlayer);
end

displayEndOfDemoMessage(mfilename);

% --- 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)

求解：打开会运行会跳出一个视频界面，怎么把视频界面加到GUI界面的axes1中，急用！求大神解

MATLAB人脸检测

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