Gamma-Convergence of Discrete Functionals with Nonconvex Perturbation for Image Classification.
Gilles AubertLaure Blanc-FéraudRiccardo MarchPublished in: SIAM J. Numer. Anal. (2004)
Keyphrases
- image classification
- iterative algorithms
- feature extraction
- bag of words
- stationary points
- special case
- image features
- objective function
- image representation
- convergence rate
- visual features
- convex optimization
- global optimization
- higher order
- continuous domains
- lagrange multipliers
- convergence speed
- data sets
- optimization problems
- discrete geometry
- discrete version
- operator splitting
- visual words
- nonlinear programming
- partial differential equations
- fixed point
- linear programming
- face recognition