Data assimilation using a gradient desce
Data assimilation using a gradient descent method for estimation of intraoperative brain deformation
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Songbai Ji; Alex Hartov; David Roberts; Keith Paulsen
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Article
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2009
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Elsevier Science
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English
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Biomechanical models that simulate brain deformation are gaining attention as alternatives for brain shift compensation. One approach, known as the "forced-displacement method", constrains the model to exactly match the measured data through boundary condition (BC) assignment. Although it improves m