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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Xuan Zhang Guoyan Zheng |
| Copyright Year | 2007 |
| Description | Author affiliation: MEM Res. Center, Bern (Xuan Zhang; Guoyan Zheng) |
| Abstract | This paper presents a novel variable decomposition approach for pose recovery of the distal locking holes using single calibrated fluoroscopic image. The problem is formulated as a model-based optimal fitting process, where the control variables are decomposed into two sets: (a) the angle between the nail axis and its projection on the imaging plane, and (b) the translation and rotation of the geometrical model of the distal locking hole around the nail axis. By using an iterative algorithm to find the optimal values of the latter set of variables for any given value of the former variable, we reduce the multiple-dimensional model-based optimal fitting problem to a one-dimensional search along a finite interval. We report the results of our in vitro experiments, which demonstrate that the accuracy of our approach is adequate for successful distal locking of intramedullary nails. |
| Starting Page | 1156 |
| Ending Page | 1159 |
| File Size | 399076 |
| Page Count | 4 |
| File Format | |
| ISBN | 1424406714 |
| DOI | 10.1109/ISBI.2007.357062 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2007-04-12 |
| Publisher Place | USA |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Nails Solid modeling Fitting X-ray imaging Surges Iterative algorithms Shafts Fasteners Surgery Calibration |
| Content Type | Text |
| Resource Type | Article |
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