Patent ID: 11922633
Assignee: CANON U.S.A., INC.
Field: Computer technology (Electrical engineering)
Classification: CPC G  A | IPC G

Claim 3:
4. A non-transitory computer-readable storage medium storing at least one program for causing a computer to execute a method, the method comprising:
detecting a vessel lumen border or borders using an intravascular imaging signal;
calculating distance from the lumen border or borders to a catheter or probe based on one or more three-dimensional A-line signals;
depicting the lumen border or borders in each two-dimensional (2D) Optical Coherence Tomography (OCT) frame allowing for a global correction;
allowing detection of the vessel lumen borders in all data for a pullback; and
allowing for a more detailed detection in a case where an angle interval (AN) is specified that is smaller or larger than a default angle interval.