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We describe an efficient method for computing the system response (sensitivity and point spread function) of a conventional gamma camera with multiple keel-edge pinhole collimators, taking into account geometric acceptance effects at the collimator as well as detector response. An efficient way of storing the resulting system matrix permits us to achieve very fast iterative reconstruction with reasonable...
A hybrid imaging system capable of combining the spatial resolution of ultrasound with functional sensitivity of fluorescence optical imaging can render the conventionally ill-posed optical image reconstruction more tractable. In this paper, ultrasonic modulation of diffuse photons from an incoherent source in a turbid medium or FluoroSound has been proposed as a mechanism for dual-modality fusion...
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