Inspec keywords: image representation; human computer interaction; neural nets; face recognition; image motion analysis; photogrammetry; feature extraction; image classification; support vector machines; image colour analysis; image sequences

Other keywords: facial expression recognition; transient optical flow feature; face detection; photogrammetric technique; colour information; optical flow-based motion detection; 3D normalisation; human computer interaction; artificial neural network; image frame; feature classification; geometric feature vector; 3D feature extraction; HCI; colour image sequence; three-dimensional feature extraction; support vector machine classification; facial expression classification; advanced feature representation

Subjects: User interfaces; Image recognition; Neural computing techniques; Knowledge engineering techniques; Computer vision and image processing techniques