Combination of adaptive filtering and spectral subtraction for noise removal.
Rafael MartínezAgustín Álvarez MarquinaPedro GómezVictor Nieto LluisVictoria RodellarPublished in: ISCAS (2) (2001)
Keyphrases
- adaptive filtering
- noise removal
- spectral subtraction
- speech signal
- denoising
- speech recognition
- anisotropic diffusion
- image denoising
- noisy images
- automatic speech recognition
- noise reduction
- adaptive filter
- edge detection
- image processing
- background noise
- non stationary
- hidden markov models
- filtering method
- image enhancement
- gaussian noise
- impulse noise
- frequency domain
- noisy environments
- natural images
- image quality
- pattern recognition
- wavelet packet
- object recognition
- information retrieval