Focusing Improvement of Curved Trajectory Spaceborne SAR Based on Optimal LRWC Preprocessing and 2-D Singular Value Decomposition.
Jianlai ChenGuangcai SunMengdao XingBuge LiangYuexin GaoPublished in: IEEE Trans. Geosci. Remote. Sens. (2019)
Keyphrases
- singular value decomposition
- preprocessing
- dimension reduction
- singular values
- least squares
- low rank
- latent semantic indexing
- principal component analysis
- reconstruction error
- dimensionality reduction
- latent semantic analysis
- measurement matrix
- data sets
- correlation matrix
- data matrix
- image reconstruction
- sar data
- low rank approximation
- synthetic aperture radar
- null space
- perspective projection
- sar images
- closed form
- feature extraction