Laser & Optoelectronics Progress, Volume. 56, Issue 7, 071103(2019)
Sidelobe Canceller Algorithm for Ultrasonic Imaging
Figures & Tables(8)
Fig. 1. Echo images of point targets. (a) DS; (b) GSC; (c) EBGSC (σ=0.5); (d) CFEBGSC (σ=0.5)
Fig. 2. Lateral energy variation for different beamforming algorithms. (a) z=45 mm; (b) z=55 mm
Fig. 3. Circular dark speck images basing on Field Ⅱ. (a) DS; (b) GSC; (c) EBGSC (σ=0.5); (d) CFEBGSC (σ=0.5)
Fig. 4. Lateral energy variation of B-mode ultrasonic images reconstructed by different algorithms at z=37 mm
Fig. 5. Actual B-mode ultrasonic images. (a) DS; (b) GSC; (c) EBGSC (σ=0.5); (d) CFEBGSC (σ=0.5)
Table 1. FFWHM and PPSL of point target at z=45 mm
View tableTable 1. FFWHM and PPSL of point target at z=45 mm
Algorithm F FWHM /mmP PSL /dBDS 1.21 -26.0 GSC 0.48 -39.0 EBGSC CFEBGSC 0.48 0.48 -88.1 -134.0
Table 2. Ccontrast and CCNR of circular cyst with r=5 mm, (x, z)=(0, 37) mm
View tableTable 2. Ccontrast and CCNR of circular cyst with r=5 mm, (x, z)=(0, 37) mm
Algorithm C contrast /dBC CNRDS 34.7 1.59 GSC 32.3 1.43 EBGSC 46.9 2.25 CFEBGSC 99.2 2.60
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Jiake Li, Xiaodong Chen, Yi Wang, Daoyin Yu. Sidelobe Canceller Algorithm for Ultrasonic Imaging[J]. Laser & Optoelectronics Progress, 2019, 56(7): 071103
Paper Information
Category: Imaging Systems
Received: Sep. 3, 2018
Accepted: Oct. 30, 2018
Published Online: Jul. 30, 2019
The Author Email: Jiake Li (lijiake1223@tju.edu.cn)
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