REGISTRATION OF X-RAY AND ULTRASOUND IMAGES

An image registration system 111 for registering a live stream of ultrasound images 112 of a beamforming ultrasound probe 113 with an X-ray image 114 is described. The image registration 111 system identifies, from the X-ray image 114, the position of a medical device 116 represented in the X-ray image 114; and determines, based on ultrasound signals transmitted between the beamforming ultrasound probe 113 and an ultrasound transducer 115 disposed on the medical device 116, a location of the ultrasound transducer 115 respective the beamforming ultrasound probe 113. Each ultrasound image from the live stream 112 is registered with the X-ray 114 image based on the identified position of the medical device 116. The registration includes determining an offset from said identified position that is based on i) a predetermined spatial relationship of the ultrasound transducer 115 respective the medical device 116 and ii) the determined location of the ultrasound transducer 115 respective the beamforming ultrasound probe 113.