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- W2034295967 abstract "In modern human computer interaction systems, emotion recognition from video is becoming an imperative feature. In this work we propose a new method for automatic recognition of facial expressions related to categories of basic emotions from image data. Our method incorporates a series of image processing, low level 3D computer vision and pattern recognition techniques. For image feature extraction, color and gradient information is used. Further, in terms of 3D processing, camera models are applied along with an initial registration step, in which person specific face models are automatically built from stereo. Based on these face models, geometric feature measures are computed and normalized using photogrammetric techniques. For recognition this normalization leads to minimal mixing between different emotion classes, which are determined with an artificial neural network classifier. Our framework achieves robust and superior classification results, also across a variety of head poses with resulting perspective foreshortening and changing face size. Results are presented for domestic and publicly available databases." @default.
- W2034295967 created "2016-06-24" @default.
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- W2034295967 date "2010-10-01" @default.
- W2034295967 modified "2023-09-24" @default.
- W2034295967 title "Emotion Recognition based on 2D-3D Facial Feature Extraction from Color Image Sequences" @default.
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- W2034295967 doi "https://doi.org/10.4304/jmm.5.5.488-500" @default.
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