Patent ID: 8111892

Claim:
A system for registering a computerized tomography (CT) image onto ultrasound images, comprising: an ultrasound image forming unit configured to sequentially form a plurality of first ultrasound images during a first predetermined cycle; a CT image forming unit configured to form a CT image during the first predetermined cycle; a registration unit configured to register the CT image onto the first ultrasound images to thereby form ultrasound-CT registered images; a storage unit configured to store the ultrasound-CT registered images, wherein the ultrasound forming unit is further configured to sequentially form a plurality of second ultrasound images during a second predetermined cycle, and wherein the registration unit is further configured to measure similarities between the first ultrasound images and the second ultrasound images and retrieve from the storage unit ultrasound-CT registered images each corresponding to the first ultrasound image having a highest similarity to each of the second ultrasound images; and a display unit configured to display the retrieved ultrasound image and the second ultrasound image.