Monday, 29 April 2019

Optical Flow Techniques for Facial Expression Analysis: Performance Evaluation and Improvements. (arXiv:1904.11592v1 [cs.CV])

Optical flow techniques are becoming increasingly performant and robust when estimating motion in a scene, but their performance has yet to be proven in the area of facial expression recognition. In this work, a variety of optical flow approaches are evaluated across multiple facial expression datasets, so as to provide a consistent performance evaluation. Additionally, the strengths of multiple optical flow approaches are combined in a novel data augmentation scheme. Under this scheme, increases in average accuracy of up to 6% (depending on the choice of optical flow approaches and dataset) have been achieved.



from cs updates on arXiv.org http://bit.ly/2UJxp2d
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