Gray scale windowing

Details Gray scale windowing Gray scale windowing

1994-08-25

1995-04-11

Manuel, George

Surgery

Truss

Pad

A61B 800

Patent

active

054048834

ABSTRACT:
An automatic windowing system for ultrasonic imaging wherein the incoming signal is separated into a high spatial frequency component and a low spatial frequency component. A comparatively low ratio of compression is applied to the high spatial frequency component while a high ratio of compression is applied to the low spatial frequency component. The two components after compression are added to form the signal used for display.

REFERENCES:
patent: 4052889 (1977-10-01), Mucciardi et al.
patent: 4417276 (1983-11-01), Bennett et al.
patent: 4960329 (1990-10-01), Schofield
patent: 5079698 (1992-01-01), Grenier et al.
patent: 5268876 (1993-12-01), Rachlin

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