what is wrong wit my code for tracking in real time

% Webcam input delete(imaqfind)

vid=videoinput('winvideo',1,'YUY2_160x120');%YUY2_160x120 ,%RGB24_320x240

triggerconfig(vid,'manual');

set(vid,'FramesPerTrigger',1 );

set(vid,'TriggerRepeat', Inf);

set(vid,'ReturnedColorSpace','rgb');

start(vid) trigger(vid); I =getdata(vid,1); % Get the frame in im %% % Set variable for face detection face_detector = 0;

% Create a cascade detector object. faceDetector = vision.CascadeObjectDetector();

% Create a tracker object. tracker = vision.HistogramBasedTracker;

for ii = 1:1000 trigger(vid); I =getdata(vid,1); % Get the frame in im

        subplot(2,3,[1 2 4 5])
        imshow(I);
        % If face is not detected then detect the face3
        if face_detector==0
            % Detect the face
            bboxf = step(faceDetector, I);
            if isempty(bboxf) % If face is not detected then continue
                continue;
            end
            bboxf = bboxf(1,:);
            rectangle('position',bboxf,'edgecolor','r','linewidth',3)
            disp('Face detected');
% Create a small bounding box to detect only face
            bbox = [bboxf(1)+bboxf(3)/4  bboxf(2)+bboxf(4)/4 bboxf(3)/2 bboxf(4)/2];
            bbox = round(bbox); 
            rectangle('position',bbox,'edgecolor','y','linewidth',3)
            % Make flag to 1 so that it will not detect the face in next
            % frame
            face_detector = 1;

            % Get the skin tone information by extracting the Hue from the video frame
            % converted to the HSV color space.
            [hueChannel,~,~] = rgb2hsv(I);

            % Initialize the tracker histogram using the Hue channel pixels from the
            % nose.
            initializeObject(tracker, hueChannel,  bbox);

        else

            % Get the skin tone information by extracting the Hue from the video frame
            % converted to the HSV color space.
            [hueChannel,~,~] = rgb2hsv(I);

            % Track using the Hue channel data
            bbox = step(tracker, hueChannel);
            if min(bbox(3),bbox(4))<30
                face_detector=0;
                pause(1)
                continue;
            end

            text(bbox(1),bbox(2)+5,I,'color','y','fontsize',10,'fontweight','bold')

            rectangle('position',bbox,'edgecolor','r')
        end

[Jan]

You forgot to explain any details about why you are assuming, that abnything is wrong. Please append useful explanations by editing the question (not as answer or comment). Otherwise we could only guess what you want to be changed.