Different detection problems Two-class problem will be discussed here E.g. face detection In a picture are there any faces or no face? Multi-class problems(not discussed here Adaboost can be extended to handle multi class problems In a picture are there any faces of men women, children (Still an unsolved problem Adaboost, VgaDifferent detection problems • Two-class problem (will be discussed here) – E.g. face detection • In a picture, are there any faces or no face? • Multi-class problems (Not discussed here) – Adaboost can be extended to handle multi class problems • In a picture, are there any faces of men , women, children ? (Still an unsolved problem) Adaboost , V9a 4