Research on Micro-Expression Spotting Method Based on Optical Flow Features.
Yuhong HePublished in: ACM Multimedia (2021)
Keyphrases
- feature set
- high accuracy
- preprocessing
- classification accuracy
- classification method
- dynamic programming
- pairwise
- optical flow
- cost function
- significant improvement
- missing data
- prior knowledge
- expression classification
- segmentation method
- geometric constraints
- extracted features
- computer vision
- clustering method
- co occurrence
- least squares
- probabilistic model
- feature vectors
- computational complexity
- multiscale