Tracking Brain Deformations in Time-Sequences of 3D US Images

During a neurosurgical intervention, the brain tissues shift and warp. In order to keep an accurate positioning of the surgical instruments, one has to estimate this deformation from intra-operative images. We present in this article a feasibility study of a tracking tool based on intra-operative 3D ultrasound (US) image sequences. The automatic processing of this kind of images is of great interest for the development of innovative and low-cost image guided surgery tools. The difficulty relies both in the complex nature of the ultrasound image, and in the amount of data to be treated as fast as possible. Key words: Non rigid registration, 3D ultrasound images, Tracking

• Type: Conference
• Year: 2001
• Where: IPMI
• Authors: Xavier Pennec, Pascal Cachier, Nicholas Ayache
• Keywords: Intra-operative Images, IPMI 2001, Medical Imaging, Ultrasound Image, Ultrasound Images