Keyphrases
- median filter
- noise reduction
- median filtering
- image enhancement
- filter bank
- impulsive noise
- order statistics
- nonlinear filters
- motion detection
- filtering algorithm
- impulse noise
- low pass
- noise detection
- morphological filters
- gaussian filter
- mathematical morphology
- structuring elements
- pixel values
- frequency domain
- speckle reduction
- image sequences
- image processing
- vector median filter
- image analysis
- high quality
- three dimensional