28Feb

Validation of accuracy in navigation systems

By R. A. / 28/02/2017 / RSIP Vision Learns / No Comments

System validation of accuracy is an offline procedure performed periodically to confirm that the tracking system is accurate. In some cases, validation of accuracy can be performed as an ASTM (American Society for Testing and Materials) testing procedure. The testing involves a standard jig assem...

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27Feb

Navigation System in Orthopedic Surgery

By R. A. / 27/02/2017 / RSIP Vision Learns / No Comments

The navigation system is one of the most powerful tools for the surgeon in the new orthopedic surgery procedures. The visualization system aids the surgeon to place his or her tools without excessive exposure to X-ray radiations. The objectives of the Navigation System Present 2D and 3D views of ...

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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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21Feb

Calibration of X-ray images

By R. A. / 21/02/2017 / RSIP Vision Learns / No Comments

Background During the last 10 years, advanced applications have been using X-rays in the operation room together with other components, like navigation systems or CT over X-ray visualization systems, to support the surgeon in some of his or her tasks. C-arm images, like many camera images, suffer...

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12Jan

Density Measurement of Damaged Cartilage

By R. A. / 12/01/2017 / RSIP Vision Learns / No Comments

Knee cartilage acts as a shock absorber, useful to absorb and damp shock impulses between the thigh (femur) and the shin (tibia) bones. The cartilage layer is a flexible tissue, which serves to ease the pressure put on the knee joint caused by mere walking and the weight of the body it has to car...

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20Jul

Anatomical surface reconstruction with sparse set of points

By R. A. / 20/07/2016 / RSIP Vision Learns / No Comments

Advance navigation techniques in orthopedic surgery allow physicians to construct 3D models of patients’ anatomical parts. Such models are especially useful for surgery planning and guidance during operation. Three-dimensional model overlay on images acquired from various modalities facilitated i...

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11Jul

Orthopedic Surgery

By R. A. / 11/07/2016 / Application Fields / No Comments

Image processing algorithms to refine surgical orthopedy practices

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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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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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