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Table 2 Lateral FWHM, CR, gCNR, and sSNR of three anechoic cyst targets and one hyperechoic target at depths of 48, 68, 88, and 48 mm, respectively, of experimental images formed from dataset geabr_0 using different methods

From: Minimum variance beamforming combined with covariance matrix-based adaptive weighting for medical ultrasound imaging

Methods

FWHM (mm)

CR (dB)                  gCNR                        sSNR

DAS

2.38

− 19.4/− 21.7/− 17.0/11.5   0.42/0.75/0.50/0.80      1.95/2.09/2.05/1.84

MV

0.47

− 17.3/− 18.6/ - 14.7/9.42   0.19/0.49/0.34/0.40      1.70/1.80/1.99/1.77

ESBMV

0.49

− 28.5/− 32.2/− 23.5/8.61   0.17/0.48/0.35/0.37      1.73/1.79/1.92/1.80

GCF-MV

0.47

− 32.0/− 38.8/− 33.2/11.4   0.10/0.31/0.10/0.55      1.32/1.41/1.19/1.40

CMSF-MV

0.37

− 31.8/− 38.5/− 34.8/7.58   0.55/0.79/0.59/0.39      1.48/1.64/1.39/1.57

CMSAW-MV

0.37

\( -33.9/-39.5/-35.9 \)/6.41   0.77/0.94/0.72/0.41      1.82/2.07/1.47/1.84

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