Stealthy Signals: Using Ghost Modulation to Watermark Interference.
Ashton PalaciosChase BledsoeElle KelseyLaura LandonJon BackmanPhilip LundriganPublished in: LEO-NET (2023)
Keyphrases
- received signal
- spread spectrum
- direct sequence spread spectrum
- signal to noise ratio
- modulation scheme
- frequency modulation
- frequency hopping
- signal detection
- watermarking algorithm
- digital images
- spectrum sensing
- dynamic range
- watermarking scheme
- copyright protection
- image watermarking
- signal processing
- weak signal detection
- synthetic aperture radar
- video watermarking
- frequency selective
- multiplicative noise
- audio signal
- robust image watermarking
- digital watermarking
- digital watermark
- single channel
- noise ratio
- jpeg compression
- robust watermarking scheme
- wavelet transform
- image processing operations
- amplitude modulation
- multiscale
- transform domain
- spatial domain
- human visual system
- denoising