Real time color doppler ultrasound imaging

Details Real time color doppler ultrasound imaging Real time color doppler ultrasound imaging

1998-02-18

1999-06-08

Jaworski, Francis J.

Surgery

Diagnostic testing

Detecting nuclear, electromagnetic, or ultrasonic radiation

600455, 600456, A61B 800

Patent

active

059101172

ABSTRACT:
A method for generating color Doppler images is implemented in real time using digital processing steps implemented on multi-purpose microprocessors. Processing is reduced by estimating velocity only when a tissue threshold decision for a given sample indicates that the sample is not tissue. Arc tangent calculations in the velocity estimation are performed using simplified look-up tables without sacrificing accuracy. One look-up table is lineraly quantized. A second is nonlinearly quantized.

REFERENCES:
patent: 5375600 (1994-12-01), Melton, Jr. et al.
patent: 5415171 (1995-05-01), Goh et al.
patent: 5505204 (1996-04-01), Picot et al.

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