Keyphrases
- median filter
- filtering method
- noise removal
- filtering process
- noise level
- three dimensional
- random noise
- noise reduction
- noise filtering
- salt pepper
- image representation
- noise detection
- signal to noise ratio
- noisy data
- filtered images
- short time fourier transform
- high pass
- low signal to noise ratio
- face recognition
- gabor wavelets
- noise model
- filtering algorithm
- feature space
- noise free
- gabor features
- nonlinear filters
- information filtering
- wavelet transform
- wavelet features
- multiscale
- switching median filter