Adaptive estimation and sparse sampling for graph signals in alpha-stable noise.
Ngoc Hung NguyenKutluyil DogançayWenyuan WangPublished in: Digit. Signal Process. (2020)
Keyphrases
- sparse sampling
- low signal to noise ratio
- noisy environments
- signal processing
- signal subspace
- white noise
- random walk
- noise reduction
- noise level
- correlation function
- graph representation
- direct sequence spread spectrum
- weak signal detection
- modulation scheme
- sensor array
- signal detection
- image noise
- directed graph
- parameter estimation
- noise suppression
- missing data
- decision directed
- noisy data
- color images
- switching median filter
- weak signal
- short time fourier transform
- noisy images
- graph structure
- weighted graph
- graph model
- median filter
- random noise
- noise free