Keyphrases
- sparse representation
- medical image fusion
- medical images
- dictionary learning
- translation invariant
- sparse coding
- image fusion
- signal processing
- face recognition
- image classification
- compressive sensing
- image patches
- complex wavelet transform
- image representation
- dimensionality reduction
- joint optimization
- high dimensional data
- multiscale
- sparse coefficients
- remote sensing
- test images
- principal component analysis
- discrete wavelet transform
- image features
- image processing