Processing computer tomography bone data for prosthetic finite element modeling: a technical note
A software scheme is presented to extract the shapes of tibiae and fibulae from amputee computer tomography (CT) data for use in prosthetic finite element modeling. A snake algorithm is implemented to overcome challenges of bone-soft tissue edge detection common in this application. Means to enhance...
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| Veröffentlicht in: | Journal of rehabilitation research and development 2002-09, Vol.39 (5), p.609-614 |
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| container_title | Journal of rehabilitation research and development |
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| creator | Saxena, Rakesh Zachariah, Santosh G Sanders, Joan E |
| description | A software scheme is presented to extract the shapes of tibiae and fibulae from amputee computer tomography (CT) data for use in prosthetic finite element modeling. A snake algorithm is implemented to overcome challenges of bone-soft tissue edge detection common in this application. Means to enhance initial guess contours, ensure contour continuity, overcome point-clustering problems, and handle high-curvature regions are also described. Effectiveness of the algorithm is demonstrated on image data from a unilateral transtibial amputee subject. |
| format | Article |
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A snake algorithm is implemented to overcome challenges of bone-soft tissue edge detection common in this application. Means to enhance initial guess contours, ensure contour continuity, overcome point-clustering problems, and handle high-curvature regions are also described. 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| fulltext | fulltext |
| identifier | ISSN: 0748-7711 |
| ispartof | Journal of rehabilitation research and development, 2002-09, Vol.39 (5), p.609-614 |
| issn | 0748-7711 1938-1352 |
| language | eng |
| recordid | cdi_proquest_miscellaneous_72943458 |
| source | US Government Documents; MEDLINE; EZB-FREE-00999 freely available EZB journals |
| subjects | Algorithms Amputation Artificial Limbs Bones Fibula - diagnostic imaging Finite Element Analysis Prostheses Software Tibia - diagnostic imaging Tomography Tomography, X-Ray Computed |
| title | Processing computer tomography bone data for prosthetic finite element modeling: a technical note |
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