Natural facial expression recognition using differential-AAM and manifold learning.

Yeongjae Cheon Daijin Kim

Published in: Pattern Recognit. (2009)

Keyphrases

manifold learning
facial expression recognition
low dimensional
nonlinear dimensionality reduction
dimensionality reduction
dimension reduction
diffusion maps

feature extraction
semi supervised
high dimensional
active appearance models
laplacian eigenmaps
manifold structure
subspace learning

head pose estimation
high dimensional data
feature space
geodesic distance
sparse representation
human computer interaction
euclidean space

learning process
locally linear embedding
facial images
human faces
low dimensional manifolds
neural network