Transcription of CT artifacts: Causes and reduction techniques - ed.boas
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CT artifacts: Causes and reduction techniques - ed.boas
CT artifacts : Causes and reduction techniques F Edward Boas & Dominik Fleischmann*. Department of Radiology, Stanford University School of Medicine, 300 Pasteur Drive, Stanford, CA 94305, USA. *Author for correspondence: Tel.: +1 650 723 7647 artifacts are commonly encountered in clinical computed tomography (CT), and may obscure or simulate pathology. There are many different types of CT artifacts , including noise, beam hardening, scatter, pseudoenhancement, motion, cone beam, helical, ring, and metal artifacts . We review the cause and appearance of each type of artifact, correct some popular misconceptions, and describe modern techniques for artifact reduction . Noise can be reduced using iterative reconstruction or by combining data from multiple scans.
CT artifacts: Causes and reduction techniques Boas and Fleischmann (Author’s version) Imaging Med. (2012) 4(2), 229-240 4 image noise and improves image quality, thus allowing scans to …
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