From: Noise and Speckle Reduction in Doppler Blood Flow Spectrograms Using an Adaptive Pulse-Coupled Neural Network
SNR (dB)
Method
0
5
10
STFT
489.0 ± 21.0
164.0 ± 6.1
7.3 ± 0.2
4.3 ± 0.1
MPWD
3.4 ± 0.1
2.9 ± 0.1
2.5 ± 0.1
1.7 ± 0.1
AD-PCNN
3.1 ± 0.2
2.1 ± 0.2
1.9 ± 0.2
1.4 ± 0.2