Ultrasound diagnostic flow imaging with coded excitation

Details Ultrasound diagnostic flow imaging with coded excitation Ultrasound diagnostic flow imaging with coded excitation

2011-02-15

2011-02-15

Le, Long V (Department: 3768)

Surgery

Diagnostic testing

Detecting nuclear, electromagnetic, or ultrasonic radiation

C600S454000, C600S457000, C600S437000, C600S463000, C600S453000, C073S631000

Reexamination Certificate

active

07887487

ABSTRACT:
Diagnostic ultrasound flow imaging is performed with coded excitation pulses. Due to the use of frequency coded excitation pulses, flow information may suffer from spatial misregistration and estimate errors. Spatial position shift in flow data is offset for alignment with B-mode or other imaging. The flow estimates are compensated for the imaging center frequency variation with depth. The wide bandwidth information available due to coded excitation may allow anti-aliasing by estimating velocities from two frequency bands.

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