Least Squares Approximation via Sparse Subsampled Randomized Hadamard Transform.
Dan TengXiaowei ZhangLi ChengDelin ChuPublished in: IEEE Trans. Big Data (2022)
Keyphrases
- least squares
- hadamard transform
- compressed sensing
- sparse linear
- transform domain
- estimation algorithm
- sparse representation
- spatial resolution
- elimination algorithm
- approximation algorithms
- approximation methods
- motion estimation
- high quality
- image reconstruction
- parameter estimation
- random projections
- sparse matrix