23Feb

Registration of CT and X-ray

By R. A. / 23/02/2017 / RSIP Vision Learns / No Comments

Registration is a phase of orthopedic surgeries in which a visualization system is called to support the surgeon. This system provides real time view of the surgery environment and the information from the CT imaging. Two different steps of registration are executed here: tracking system registra...

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22Feb

CT Segmentation in orthopedic surgery

By R. A. / 22/02/2017 / RSIP Vision Learns / No Comments

CT image segmentation is a typical phase of orthopedic surgeries in which a visualization system is called to visually support the surgeon’s task. This system provides a real time view of the surgery environment, as well as information coming from the pre-op planning and from the CT. It enables h...

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19May

3D Reconstruction for Bone Alignment

By R. A. / 19/05/2016 / RSIP Vision Learns / No Comments

Navigation systems in orthopedic procedures are now an integral part of the preoperative and intra-operative process. Advances in vision-based medical technologies, such as X-ray and CT, have completely transformed orthopedic surgery planning and operation procedures. Newly introduced technologie...

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11May

Bone segmentation in orthopedic surgery

By R. A. / 11/05/2016 / RSIP Vision Learns / No Comments

Orthopedic surgeries are one of the most common surgeries in clinical practice. According to recent surveys, more than 300,000 hip replacement and 700,000 knee replacements are performed annually, with frequent treatment of other joints, e.g. shoulder and ankles. With figures on the rise, the bur...

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5May

Detection and quantification of bone cancer

By R. A. / 05/05/2016 / RSIP Vision Learns / No Comments

Primary malignant tumor of the bone (osteosarcoma) is the most common bone tumor, representing 88% of all bone tumors with nearly 3,000 annual diagnosed cases in the United States. Despite the relative low occurrence of primary osteosarcoma (less than 1% of all tumors), secondary (metastatic) bon...

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13Apr

Point and surface registration in orthopedy

By R. A. / 13/04/2016 / RSIP Vision Learns / No Comments

Orthopedic surgery is a branch of surgery concerned with treating the musculoskeletal system’s injuries and reconstruction. About half the population above the age of 50 suffer from some degree of osteoarthritis. According to the 2008 report of the American Academy of Orthopedic Surgery, the most...

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4Feb

Bones and Skeleton segmentation

By R. A. / 04/02/2016 / RSIP Vision Learns / No Comments

Computed tomography (CT) is the most common 3D process used for bone imaging. This is due to the fact that simple thresholding is usually sufficient to identify the bone tissue, based on its higher attenuation of X-rays as compared to soft tissues. The representation of a tridimensional model out...

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