Zero-crossing rate for the sum of two sinusoids or a signal plus noise (Corresp.).
Nelson M. BlachmanPublished in: IEEE Trans. Inf. Theory (1975)
Keyphrases
- zero crossing
- band limited
- scale space
- edge detection
- random noise
- wavelet transform
- edge detector
- directional derivatives
- sampling rate
- additive noise
- noise reduction
- palmprint
- low signal to noise ratio
- linear filters
- gray scale images
- image intensity
- signal to noise ratio
- noisy data
- impulse response
- multiresolution
- image analysis
- low frequency
- high frequency
- binary images
- median filter
- input image