Beam-Shape Effects and Noise Removal from THz Time-Domain Images in Reflection Geometry in the 0.25-6 THz Range.
Marina LjubenovicAlessia ArtesaniStefano BonettiArianna TravigliaPublished in: CoRR (2022)
Keyphrases
- noise removal
- gaussian noise
- edge preservation
- edge detection
- object shape
- image analysis
- denoising
- image details
- image features
- anisotropic diffusion
- image enhancement
- noise reduction
- input image
- salt and pepper noise
- frequency domain
- surface properties
- image restoration
- scanned images
- signal to noise ratio
- pixel values
- intensity images
- texture information
- signal dependent
- image processing
- diffusion filtering
- test images
- image denoising
- markov random field
- object recognition
- multiscale
- feature extraction