An Autofocus Approach for UAV-Based Ultrawideband Ultrawidebeam SAR Data With Frequency-Dependent and 2-D Space-Variant Motion Errors.
Zegang DingLinghao LiYan WangTianyi ZhangWen GaoKaiwen ZhuTao ZengDi YaoPublished in: IEEE Trans. Geosci. Remote. Sens. (2022)
Keyphrases
- space variant
- synthetic aperture radar
- sar data
- sar images
- sar imaging
- moving target
- sar imagery
- spectral estimation
- image reconstruction
- frequency domain
- log polar
- image restoration
- image sequences
- optical flow
- motion estimation
- space time
- motion model
- motion detection
- feature selection
- real time
- motion segmentation
- camera motion
- maximum likelihood
- moving objects
- image processing
- wavelet domain
- particle filter
- multiresolution
- video sequences
- feature extraction