Unfolding Face-Neighborhood Convex Patches: Counterexamples and Positive Results.
Joseph O'RourkePublished in: CCCG (2013)
Keyphrases
- positive and negative
- human faces
- petri net
- natural images
- recognition algorithm
- convex optimization
- positively correlated
- image patches
- lighting conditions
- risk minimization
- globally optimal
- piecewise linear
- face images
- image sequences
- strictly convex
- minimize a cost function
- face sketch
- data sets
- facial features
- convex hull
- facial expressions