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faceDetect.m

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function faceBoxes = faceDetect( I, plot_opt )

%faceDetect: face detection

%

% Usage:

%

% Description:

%

% Example:

% faceBoxes = faceDetect(imread('./demoDataset/communitypeople.jpg'), 1);

%

% See also faceTune

% Category: faceAnalysis

% Mymy, 20121205, 20130102

if nargin < 1, selfdemo; return; end

if nargin < 2, plot_opt = 0; end

% reference from: http://www.mathworks.com/help/vision/ref/vision.cascadeobjectdetectorclass.html

% version should be 2012a at least

faceDetector = vision.CascadeObjectDetector;

faceBoxes = step(faceDetector, I);

if (plot_opt)

figure, imshow(I), title('Detected faces');

hold on

for i=1:size(faceBoxes, 1)

rectangle('Position', faceBoxes(i, :));

end

hold off

end

function selfdemo

mObj=mFileParse(which(mfilename));

strEval(mObj.example);