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Minimizing Nonconvex Quadratic Functions Subject to Bound Constraints
We present an active-set algorithm for finding a local minimizer to a nonconvex bound-constrained quadratic problem. Our algorithm extends the ideas developed by Dost al and Sch oberl that is based on the linear conjugate ...
Motion Correction and Pharmacokinetic Analysis in Dynamic Positron Emission Tomography
This thesis will focus on two important aspects of dynamic Positron Emission Tomography (PET): (i) Motion-compensation , and (ii) Pharmacokinetic analysis (also called parametric imaging) of dynamic PET images. Both are ...