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Erschienen in:
2016 | OriginalPaper | Buchkapitel
Hybrid Patch Based Diagonal Pattern Geometric Appearance Model for Facial Expression Recognition
verfasst von : Deepak Kumar Jain, Zhang Zhang, Kaiqi Huang
Erschienen in: Intelligent Visual Surveillance
Verlag: Springer Singapore
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Abstract
Automatic Facial Expression Recognition (FER) is an imperative process in next generation Human-Machine Interaction (HMI) for clinical applications. The detailed information analysis and maximization of labeled database are the major concerns in FER approaches. This paper proposes a novel Patch-Based Diagonal Pattern (PBDP) method on Geometric Appearance Models (GAM) that extracts the features in a multi-direction for detailed information analysis. Besides, this paper adopts the co-training to learn the complementary information from RGB-D images. Finally, the Relevance Vector Machine (RVM) classifier is used to recognize the facial expression. In experiments, we validate the proposed methods on two RGB-D facial expression datasets, i.e., EURECOMM dataset and biographer dataset. Compared to other methods, the comparative analysis regarding the recognition and error rate prove the effectiveness of the proposed PBDP-GAM in FER applications.