Cordiner, Alister; Ogunbona, Philip O.; and Li, Wanqing, 2009, Face detection using generalised integral image features, International Conference on Image Processing, Cairo, Egypt: IEEE, 1229-1232.
This paper proposes generalised integral image features (GIIFs) for face detection. GIIFs provide a richer and more flexible set of features than Haar-like features. Due to the large set of possible GIIFs, a genetic algorithm is developed to select the feature space for the optimal weak classifiers. Experimental results have shown that this method is able to improve face detection accuracy.