ALEXANDRIA, Va., Feb. 12 -- United States Patent no. 12,220,272, issued on Feb. 11, was assigned to Angiowave Imaging Inc. (Concord, Mass.).
"Motion-compensated wavelet angiography" was invented by William E. Butler (Boston) and Hector Andrade-Loarca (Berlin).
According to the abstract* released by the U.S. Patent & Trademark Office: "Methods and systems are provided for extracting cardiac frequency angiographic phenomena for an unconstrained vascular object from an angiographic study. In one example, a computer may obtain a series of angiographic image frames obtained at a rate faster than cardiac frequency. Each image frame may comprise a plurality of pixels, and each pixel may have a corresponding intensity. The computer may apply an o...