Facial Expression Recognition Using Adaptive Robust Local Complete Pattern
2019 IEEE INTERNATIONAL CONFERENCE ON IMAGE PROCESSING (ICIP)(2019)
Abstract
An effective face descriptor is a significant element of a perfect facial expression recognition system. In this paper, we propose a new face descriptor, Adaptive Robust Local Complete Pattern (ARLCP). ARLCP effectively encodes significant information of emotion-related features by using the sign, magnitude and directional information of edge response that is more robust to noise and illumination variation. In this histogram-based approach, obtained feature image is divided into several regions, histogram of each region is computed independently and all histograms are concatenated to generate a final feature vector. We have experimented our method on several datasets using cross-validation schemes to evaluate the performance. From those experiments, it is evident that our method (ARLCP) provides better accuracy in facial expression recognition.
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Key words
face descriptor, facial expression recognition, adaptive robust local complete pattern, edge response, histogram-based approach
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