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scripts default iconViola Jones Object Detection (Scripts) Publisher's description

This function ObjectDetection is an implementation of the Detection in the Viola-Jones framework.

This function ObjectDetection is an implementation of the Detection in the Viola-Jones framework. In this framework Haar-like features are used for rapid object detection. It supports the trained classifiers in the XML files of OpenCV which can be download as part of the OPENCV software on opencv.willowgarage.com


I : 2D image, or Filename of an image
FilenameHaarcasade : The filename of a Matlab file with a Haarcasade which is created from an OpenCV xml file
Options : A struct with options
Options.ScaleUpdate : The scale update, default 1/1.2
Options.Resize : If boolean is true (default), the function will
resize the image to maximum size 384 for less cpu-time
Options.Verbose : Display process information

Objects : An array n x 4 with [x y width height] of the detected

Literature :
- Rainer Linehart and Jochend Maydt, "An Extended Set of Haar-like
Features for Rapid Object Detection"
- Paul viola and Michael J. Jones, "Rapid Object Detection using
a Boosted Cascade of Simple Features", 2001

Example 1,
% % Convert an OpenCV classifier XML file to a Matlab file
% ConvertHaarcasadeXMLOpenCV('HaarCascades/haarcascade_frontalface_alt.xml');
% % Detect Faces
% Options.Resize=false;
% ObjectDetection('Images/1.jpg','HaarCascades/haarcascade_frontalface_alt.mat',Options);

System Requirements:

MATLAB 7.11 (2010b)
Program Release Status: New Release
Program Install Support: Install and Uninstall

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