Article: Wisconsin Inventor Develops Data Dependent Color Wall Filter

ALEXANDRIA, Va., Oct. 11 -- David Dubberstein of Waukesha, Wis., has developed a color wall filter system that provides flash reduction and clutter suppression.

According to the U.S. Patent & Trademark Office: "The present invention generally relates to ultrasound. In particular, the present invention relates to data dependent color wall filters (used in ultrasound imaging devices for example). Certain embodiments of the present invention relate to a color wall filter that provides flash reduction and clutter suppression."

An abstract of the invention, released by the Patent Office, said: "One embodiment of the color wall filter comprises an impulse response filter stage (either a ...

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