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Face Recognition Problem

Good morning,

I'm having a problem with the viola-jones algorithm for detecting faces. I use the an xml file where i load some negative and some positive pictures in order to train. Then i load a test image with a person where i except it's face to be recognised. Unfortunately, i keep getting this error:

Jan 14, 2012 12:06:04 AM WARNING: Caught exception in concurrent execution of Detector (Detector): com.rapidminer.operator.UserError: No data was deliverd at port Detector.model (connected).

When i run the xml file and load the pictures of cancer (the known black images where a tumor is detected), the results are great and the tuor is being recognised correclty.

I'm new in Rapidminer so any help would be appreciated.

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radone

Hi,
have you tried the example at this website?
http://spl.utko.feec.vutbr.cz/en/image-processing-extension-for-rapidminer-5

Yesterday I have uploaded an example process and example training set.

Hope this helps.