A Tree Search Approach to Sparse Coding.
Rui Jorge ReiJoão Pedro PedrosoHideitsu HinoNoboru MurataPublished in: LION (2012)
Keyphrases
- tree search
- sparse coding
- dictionary learning
- natural images
- sparse representation
- branch and bound
- linear combination
- search algorithm
- image classification
- unsupervised learning
- constraint propagation
- search tree
- generative model
- mathematical programming
- image representation
- image patches
- feature space
- monte carlo
- path finding
- high dimensional
- visual words
- state space
- higher order
- lower bound
- language model
- image features
- dynamic programming
- object recognition