Power spectrum correlation based SNR estimation for cognitive radios.
Kun WuGuangliang RenPublished in: WCSP (2015)
Keyphrases
- power spectrum
- signal noise ratio
- frequency analysis
- frequency domain
- natural images
- signal to noise ratio
- spectral estimation
- autocorrelation function
- power spectral
- parameter estimation
- noise reduction
- estimation algorithm
- density function
- probability distribution
- object recognition
- estimation error
- feature extraction
- visual quality
- image data
- statistics of natural images
- video sequences
- high quality