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Acceleration of the direct reconstruction of linear parametric images using nested algorithms

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Direct detection of 6 MV x-rays from a medical linear accelerator using a semiconducting polymer diode

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Quantitative comparison of OSEM and penalized likelihood image reconstruction using relative difference penalties for clinical PET

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Nonlinear spatio-temporal filtering of dynamic PET data using a four-dimensional Gaussian filter and expectation-maximization deconvolution

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