Unsupervised Learning Facial Parameter Regressor for Action Unit Intensity Estimation via Differentiable Renderer.
Xinhui SongTianyang ShiZunlei FengMingli SongJackie LinChuanjie LinChangjie FanYi YuanPublished in: ACM Multimedia (2020)
Keyphrases
- unsupervised learning
- supervised learning
- landmark detection
- facial images
- facial expressions
- partial volume
- objective function
- face recognition
- machine learning
- parameter estimates
- semi supervised
- pattern recognition
- text classification
- model selection
- loss function
- facial features
- parameter space
- image sequences
- estimation algorithm
- estimation accuracy