Salt-and-pepper noise removal by adaptive median-based lifting filter using second-generation wavelets.
P. Syamala Jaya SreePradeep KumarRajesh SiddavatamRavikant VermaPublished in: Signal Image Video Process. (2013)
Keyphrases
- median filter
- salt and pepper noise
- weighted median filter
- salt and pepper
- impulse noise
- wavelet transform
- daubechies wavelet
- noise reduction
- image enhancement
- noise removal
- multiresolution
- gaussian noise
- signal processing
- image compression
- multiscale
- grayscale images
- image processing
- color images
- image analysis
- motion detection
- pixel values
- high frequency
- structuring elements
- wavelet coefficients
- edge detection
- digital images
- image noise
- high resolution
- pairwise
- high quality
- feature extraction