Adaptive time gain compensation system for ultrasound imaging

Details Adaptive time gain compensation system for ultrasound imaging Adaptive time gain compensation system for ultrasound imaging

1985-10-31

1987-05-05

Howell, Kyle L.

Surgery

Truss

Pad

73631, A61B 1000

Patent

active

046623809

ABSTRACT:
A gain control system for use in an ultrasound imaging system includes a histogram analyzer for identifying image pixel populations attributable to fluid, soft tissue, specular reflectors and artifacts. The histogram analyzer establishes mean peak values. Nulls between image populations are identified for setting gain versus depth break points. A comparator uses a threshold level to compare image information corresponding to soft tissue. A TGC generator responds to a preselected slope, a brightness level, and the tissue identification to generate a time gain control signal.

REFERENCES:
patent: 4043181 (1977-08-01), Nigam
patent: 4432236 (1984-02-01), Nogasaki
patent: 4512350 (1985-04-01), Cimilluca

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