The NAMlet transform: A novel image sparse representation method based on non-symmetry and anti-packing model.
Hu LiangShengrong ZhaoChuanbo ChenMudar SaremPublished in: Signal Process. (2017)
Keyphrases
- test images
- sparse representation
- image classification
- reconstruction error
- similarity measure
- probabilistic model
- input data
- image representation
- piecewise smooth
- energy function
- bayesian framework
- pattern recognition
- multiscale
- input image
- piecewise constant
- image retrieval
- single image
- parameter space
- dictionary learning
- energy functional
- em algorithm
- image matching
- image regions
- regularized least squares
- orthogonal matching pursuit
- sparse reconstruction
- computer vision
- image set
- unsupervised learning
- image features
- high resolution
- face recognition
- image processing