Generalized S-Transform Based on Sparse Representation and Its Application on Attenuation Gradient Estimation.
Junjie LiuXuehua ChenCuncai QieChenfei ZhaoXin LuoPublished in: IEEE Geosci. Remote. Sens. Lett. (2024)
Keyphrases
- sparse representation
- gradient estimation
- dictionary learning
- sparse coding
- image classification
- face recognition
- signal processing
- joint optimization
- compressive sensing
- regularized least squares
- random projections
- image representation
- object tracking
- compressed sensing
- high dimensional data
- variance reduction
- negative matrix factorization
- sparsity constraints
- dimensionality reduction
- neural network
- sparse coefficients
- image patches
- classification error
- text mining
- data mining