Haar* cascades (specifically, Viola-Jones, which is what I assume you are talking about) are hardly state-of-the-art, they're over 13 years old now. * Also, Ha

Haar* cascades (specifically, Viola-Jones, which is what I assume you are talking about) are hardly state-of-the-art, they're over 13 years old now. * Also, Haar is a surname, not an abbreviation, you don't write it in all-caps