Celestron FirstScope 76: Very affordable and ideal for kids or as a quick backyard scope. Despite the small size, you can easily catch the craters of the moon and even glimpse Jupiter’s moons.
Abstract: In this paper, an Ordered Subsets Expectation Maximization (OSEM) reconstruction algorithm based on Total Variation (TV) constraint was applied for sparse reconstruction of X-ray ...
Abstract: Stemmed from our novel single-photon imaging concept of detector self-collimation—which leverages detectors themselves as collimators to overcome the inherent resolution-sensitivity ...
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