Digital Butterworth filter for subtracting noise from low magnitude surface electromyogram.
Roger G. T. MelloLiliam Fernandes de OliveiraJurandir NadalPublished in: Comput. Methods Programs Biomed. (2007)
Keyphrases
- fine details
- noise reduction
- low signal to noise ratio
- noise removal
- high noise
- noise free
- noise detection
- noise level
- median filter
- gaussian filter
- nonlinear filters
- emg signals
- impulse noise
- three dimensional
- filtering process
- random noise
- signal to noise ratio
- filtering method
- noise suppression
- wiener filter
- noise elimination
- d objects
- denoising methods
- multiplicative noise
- registration errors
- noisy data
- surface reconstruction
- missing data
- smoothing filter
- high pass
- principal curvatures
- gaussian noise
- impulsive noise
- digital surface
- additive noise
- image processing
- signal noise ratio
- independent component analysis
- high resolution
- high frequency
- range data
- median filtering
- noisy images
- low frequency