US Patent Issued to FUJIFILM on March 24 for "Blood flow extraction image forming device, method of forming blood flow extraction image, and blood flow extraction image forming program" (Japanese Inventors)

ALEXANDRIA, Va., March 24 -- United States Patent no. 12,586,185, issued on March 24, was assigned to FUJIFILM Corp. (Tokyo).

"Blood flow extraction image forming device, method of forming blood flow extraction image, and blood flow extraction image forming program" was invented by Hideki Yoshikawa (Chiba, Japan), Kosuke Fujita (Chiba, Japan) and Tetsuya Yamada (Chiba, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A correlation matrix calculation unit calculates a correlation matrix Rzx for each data element of the frame data. A blood flow luminance image forming unit forms a blood flow extraction filter Pk,N on the basis of an eigenvalue Lambdai of a rank equal to or lower than a first threshold rank...