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Purpose The purpose of this study was to evaluate the clinical and radiographic outcomes of modified pedicle subtraction osteotomy (mPSO) for thoracolumbar post-tubercular kyphosis in pediatric patients. Methods From January 2008 to August 2012, 26 consecutive pediatric patients with thoracolumbar post-tubercular kyphosis underwent modified pedicle subtraction osteotomy (mPSO). The clinical...
An improved evolutionary algorithm is proposed, and then it is used to solve image correlation matching. It has some new features: 1) using multi-parent search strategy and stochastic ranking strategy, which can enhance the search ability and exploit the optimum offspring, 2) two mutation strategies are proposed: low probability mutation strategy for the early mutation, and high probability strategy...
A three-layer fast image matching algorithm based on Evolutionary Algorithm is proposed. It has some new features: 1A strategy from coarse matching to fine matching is adopted. Large numbers of non-matching points will be firstly eliminated by performing coarse matching with circular and cross templates, then a whole template is applied to confirming the final position to reduce the calculation workload;...
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