Reduction of musical residual noise using block-and-directional-median filter adapted by harmonic properties.
Ching-Ta LuPublished in: Speech Commun. (2014)
Keyphrases
- median filter
- noise reduction
- median filtering
- image enhancement
- impulsive noise
- impulse noise
- noise suppression
- noise detection
- nonlinear filters
- order statistics
- salt and pepper noise
- motion detection
- filtering algorithm
- weighted median filter
- gaussian filter
- morphological filters
- gaussian noise
- noise level
- structuring elements
- signal to noise ratio
- video sequences
- pixel values
- efficient implementation
- detection algorithm
- image quality
- speckle reduction
- image data