Neural Network-Based Face Detection
IEEE Transactions on Pattern Analysis and Machine Intelligence
Preprocessing of face images: detection of features and pose normalization
Computer Vision and Image Understanding
Robust Eye Centre Extraction Using the Hough Transform
AVBPA '97 Proceedings of the First International Conference on Audio- and Video-Based Biometric Person Authentication
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We present a novel pre-filtering technique that identifies probable frontal illuminated face regions in colour images regardless of translation, orientation, and scale. The face candidate regions are normalised and provide the basis for face verification using published face detection algorithms. The technique focuses on a fast search strategy to locate potential eye-pairs in an image or video frame. The eye-pair candidates indicate areas that may contain faces. Scale and orientation is inferred from the eye-pairs, and a neural network is used to confirm the normalised face candidates.