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Im interested to know the details about Haar classifier xml files that come with OpenCV.

You can find these files at C:\OpenCV2.2\data\haarcascades\ (haar classifier files).

How OpenCV developers made these classifiers?

Any information regarding the number of Positive and Negative Images or Database or anything else will be useful.

Yamaneko
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Saleh
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  • some files contain information but most are without any comments and documentation. – Saleh Feb 14 '12 at 05:40
  • I want information about frontal face and hand classifiers...Thanks – Saleh Feb 14 '12 at 05:42
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    These are some links that might help you to read up on the topic. 1. [Haar-like Features.](http://en.wikipedia.org/wiki/Haar-like_features) 2. [Training the haar classifier](http://note.sonots.com/SciSoftware/haartraining.html) Hope this helps. :) – praxmon Aug 12 '12 at 18:30

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