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This paper presents K-edge filtering and energy weighting methods which enhance the contrast with less radiation does. Usually, energy weighting methods are used with photon-counting detector based CT for each energy bin data obtained to enhance the quality of image. However, we used these methods combine with K-edge filtering in energy-integrating detector. Using K-edge filtering, different energy...
Energy resolved photon-counting detectors could achieve more than one spectral measurement. The goal of this study is to investigate, with experiment, the ability to decompose five materials using energy discriminating detectors and multiple discriminant analysis (MDA). A small field-of-view multi-energy CT system was built. Linear attenuation coefficient was considered as features of multiple energy...
Estimation of dental implant stability is an important factor for diagnosis of implant treatment. In this study, we have developed a new system for measuring dental implant mobility. Movement of the implant was measured by an inductive sensor and an amplification adaptor was developed to multiply movement of the implant. Impulse response signal of the implant was acquired and power spectrum analysis...
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