A HUMAN NECESSITIES
A61 MEDICAL OR VETERINARY SCIENCE; HYGIENE
A61B DIAGNOSIS; SURGERY; IDENTIFICATION
34/00 Computer-aided surgery; Manipulators or robots specially adapted for use in surgery
A61B34/20 Surgical navigation systems; Devices for tracking or guiding surgical instruments, e.g. for frameless stereotaxis
A61B2034/2046 Tracking techniques
A61B2034/2065 Tracking using image or pattern recognition