A Block-Scale FFT Filter Based on Spatial Autocorrelation Features of Speckle Noise in SAR Image.
Xigang WangZhiguo MengSi ChenZhuangzhuang FengXinbiao LiTianhao GuoChunmei WangXingming ZhengPublished in: Remote. Sens. (2023)
Keyphrases
- sar images
- speckle noise
- synthetic aperture radar
- noise reduction
- ultrasound images
- spatial autocorrelation
- low contrast
- spatial distribution
- additive noise
- target detection
- edge preserving
- image reconstruction
- wavelet domain
- feature extraction
- edge detector
- texture information
- signal to noise ratio
- feature set
- denoising
- image features
- low level
- feature vectors
- visual information
- high frequency
- remote sensing
- scale space
- feature space