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12 February 2008 A low-cost universal cumulative gating circuit for small and large animal clinical imaging
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Abstract
Image-assisted diagnosis and therapy is becoming more commonplace in medicine. However, most imaging techniques suffer from voluntary or involuntary motion artifacts, especially cardiac and respiratory motions, which degrade image quality. Current software solutions either induce computational overhead or reject out-of-focus images after acquisition. In this study we demonstrate a hardware-only gating circuit that accepts multiple, pseudo-periodic signals and produces a single TTL (0-5 V) imaging window of accurate phase and period. The electronic circuit Gerber files described in this article and the list of components are available online at www.frangionilab.org.
© (2008) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Sylvain Gioux and John V. Frangioni "A low-cost universal cumulative gating circuit for small and large animal clinical imaging", Proc. SPIE 6848, Advanced Biomedical and Clinical Diagnostic Systems VI, 68481I (12 February 2008); https://doi.org/10.1117/12.779207
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