Alternating optimization low-rank expansion algorithm to estimate a linear combination of separable filters to approximate 2D filter banks.
Paul RodríguezPublished in: ACSSC (2016)
Keyphrases
- linear combination
- low rank
- alternating optimization
- filter bank
- small number
- basis functions
- learning algorithm
- expectation maximization
- sparse coding
- lifting scheme
- higher order
- computer vision
- wavelet transform
- missing data
- multiresolution
- pattern recognition
- similarity measure
- image processing
- nonnegative matrix factorization