3D facial expression recognition using SIFT descriptors of automatically detected keypoints - Berretti, Stefano; Ben Amor, Boulbaba; Daoudi, Mohamed; del Bimbo, Alberto (The Visual computer, 2011)
Keywords: Artificial Intelligence; Computer Graphics; Computer Science; Computer Vision and Pattern Recognition; Face recognition; Image Processing and Computer Vision; Original Article; Support vector machines; SVM classification; 3D facial expression recognition; Feature selection; 3D facial expression retrieval; SIFT keypoints