Method and apparatus for automatic time and/or lateral gain comp

Details Method and apparatus for automatic time and/or lateral gain comp Method and apparatus for automatic time and/or lateral gain comp

1998-12-01

2000-08-15

Lateef, Marvin M.

Surgery

Diagnostic testing

Detecting nuclear, electromagnetic, or ultrasonic radiation

600447, A61B 800

Patent

active

061028592

ABSTRACT:
A method and an apparatus for automating time-gain compensation (TGC) and lateral-gain compensation (LGC) based on the B-mode image data. The automatic gain adjustments are aimed at equalizing the mean signal intensities along the axial (for TGC) and/or lateral (for LGC) direction of the image, and suppressing any lateral band (for TGC) and/or sector (for LGC) that contains mostly noise. The automatic TGC/LGC adjustment method is implemented in software on a digital scanner and uses a noise model of the entire B-mode processing chain from the beamformer through the B-mode processor to the back-end video processor.

REFERENCES:
patent: 5477858 (1995-12-01), Norris

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