ALEXANDRIA, Va., June 2 -- United States Patent no. 12,646,311, issued on June 2, was assigned to CANON K.K. (Tokyo).

"Method and apparatus for training a deep learning based model for harmonic imaging" was invented by Ting Xia (Vernon Hills, Ill.), Jian Zhou (Vernon Hills, Ill.), Liang Cai (Vernon Hills, Ill.) and Zhou Yu (Vernon Hills, Ill.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An apparatus for training a model to perform harmonic imaging using ultrasound signals, the apparatus including processing circuitry configured to input first ultrasound data into a neural network model configured to generate and output second ultrasound data, determine a first error by applying a first filter to a differen...