Recognizing Action Units for Facial Expression Analysis
IEEE Transactions on Pattern Analysis and Machine Intelligence
Object Recognition with Features Inspired by Visual Cortex
CVPR '05 Proceedings of the 2005 IEEE Computer Society Conference on Computer Vision and Pattern Recognition (CVPR'05) - Volume 2 - Volume 02
A 3D Facial Expression Database For Facial Behavior Research
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Optimal Pose for Face Recognition
CVPR '06 Proceedings of the 2006 IEEE Computer Society Conference on Computer Vision and Pattern Recognition - Volume 2
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Manifold based analysis of facial expression
Image and Vision Computing
Coupled Gaussian process regression for pose-invariant facial expression recognition
ECCV'10 Proceedings of the 11th European conference on Computer vision: Part II
Emotion recognition from arbitrary view facial images
ECCV'10 Proceedings of the 11th European conference on Computer vision: Part VI
Regression-Based Multi-view Facial Expression Recognition
ICPR '10 Proceedings of the 2010 20th International Conference on Pattern Recognition
Local binary patterns for multi-view facial expression recognition
Computer Vision and Image Understanding
Audio–Visual Affective Expression Recognition Through Multistream Fused HMM
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A real-time automated system for the recognition of human facial expressions
IEEE Transactions on Systems, Man, and Cybernetics, Part B: Cybernetics
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Expression recognition from non-frontal faces is a challenging research area with growing interest. This paper works with a generic sparse coding feature, inspired from object recognition, for multi-view facial expression recognition. Our extensive experiments on face images with seven pan angles and five tilt angles, rendered from the BU-3DFE database, achieve state-of-the-art results. We achieve a recognition rate of 69.1% on all images with four expression intensity levels, and a recognition performance of 76.1% on images with the strongest expression intensity. We then also present detailed analysis of the variations in expression recognition performance for various pose changes.