¡Esta es una revisión vieja del documento!

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Tutorial

Script para producir .vec e instrucciones para entrenar el classifier usando los .vec https://github.com/mrnugget/opencv-haar-classifier-training

Luego del entrenamiento corrimos el ejemplo de ofxOpenCv y tuvimos un error: `The node does not represent a user object`.

* http://answers.opencv.org/question/106831/error-2-the-node-does-not-represent-a-user-object-unknown-type-in-function-cvread/

* http://answers.opencv.org/question/65417/unspecified-error-the-node-does-not-represent-a-user-object-unknown-type-in-function-cvread/

* https://forum.openframeworks.cc/t/ofxcvhaarfinder-error-when-loading-a-haar-classifier/22616/8

* https://github.com/opencv/opencv/issues/4428

Referencias

Tutorial: OpenCV haartraining (Rapid Object Detection With A Cascade of Boosted Classifiers Based on Haar-like Features) http://note.sonots.com/SciSoftware/haartraining.html