Matrix Coherency Graph: A Tool for Improving Sparse Coding Performance.
Mohsen JoneidiMahdi Barzegar KhalilsaraiAlireza ZaeemzadehNazanin RahnavardPublished in: CoRR (2014)
Keyphrases
- sparse coding
- dictionary learning
- sparse representation
- natural images
- image classification
- linear combination
- image representation
- generative model
- unsupervised learning
- image patches
- sparse codes
- visual words
- feature space
- manifold structure
- object category recognition
- denoising
- input data
- dimensionality reduction
- higher order
- bag of words
- high resolution
- feature vectors
- low rank
- pairwise
- object recognition