FFT Selective and Adaptive Filtering for Removal of Systematic Noise in ETM+ Imageodesy Images.
Jian Guo LiuGareth Llewellyn Keith MorganPublished in: IEEE Trans. Geosci. Remote. Sens. (2006)
Keyphrases
- adaptive filtering
- background noise
- image database
- image data
- image sharpening
- input image
- noise sensitivity
- image analysis
- gaussian noise
- test images
- noise free
- filtering method
- noise level
- neural network
- original images
- image features
- image filtering
- fourier domain
- image segmentation
- gray scale
- pattern recognition
- adaptive filter
- medical images
- fast fourier transform
- back projection
- frequency domain