Impulse Noise Mitigation for OFDM by Time-Frequency Spreading.
Jiri BlumensteinRoman MarsálekAles ProkesChristoph F. MecklenbräukerPublished in: MACOM (2013)
Keyphrases
- impulse noise
- color images
- median filter
- gaussian noise
- noise reduction
- digital images
- noise detection
- noise free
- noise level
- impulsive noise
- noise removal
- filtering method
- high noise
- frequency domain
- salt and pepper noise
- image details
- signal processing
- noisy pixels
- image deblurring
- switching median filter
- impulse noise removal
- denoising
- weighted median filter
- median filtering
- wavelet transform
- salt pepper
- image enhancement
- gray scale
- noisy images
- anisotropic diffusion
- adaptive threshold
- image processing
- wavelet packet
- random valued impulse noise