US Patent Issued to Hitachi on March 24 for "Phase image processing apparatus and phase image processing method" (Japanese Inventors)

ALEXANDRIA, Va., March 24 -- United States Patent no. 12,586,754, issued on March 24, was assigned to Hitachi Ltd. (Tokyo).

"Phase image processing apparatus and phase image processing method" was invented by Yoshio Takahashi (Tokyo), Tetsuya Akashi (Tokyo) and Toshiaki Tanigaki (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "There is provided a phase-image processing apparatus and a phase-image processing method capable of highly accurately correcting a phase singularity included in a phase image. A phase-image processing apparatus that applies image processing to a phase image includes: a fringe pattern-creating unit that creates a plurality of fringe patterns based on a first interference fringe ima...