A sensitivity-aware, spline-based density estimator with Hessian nuclear-norm regularization beats KDE and histograms in the tested cases and enables PET sinogram rebinning.
A Kernel Density Estimator- Based Maximum A Posteriori Image Reconstruction Method for Dynamic Emission Tomography Imaging,
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Sensitivity-Aware Density Estimation in Multiple Dimensions
A sensitivity-aware, spline-based density estimator with Hessian nuclear-norm regularization beats KDE and histograms in the tested cases and enables PET sinogram rebinning.