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Radiogram enhancement and linearization using the beam hardening correction method
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SYSNO ASEP 0332638 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Radiogram enhancement and linearization using the beam hardening correction method Title Zkvalitnění radiogramů a jejich linearizace použitím metody korekce tvrdnutí svazku Author(s) Vavřík, Daniel (UTAM-F) RID, SAI, ORCID
Jakůbek, J. (CZ)Number of authors 2 Source Title Nuclear Instruments & Methods in Physics Research Section A. - : Elsevier - ISSN 0168-9002
Roč. 607, - (2009), s. 212-214Number of pages 3 s. Publication form CD-ROM - CD-ROM Action International Workshop on Radiation Imaging Detectors Event date 29.06.2008-03.07.2008 VEvent location Helsinky Country FI - Finland Event type WRD Language eng - English Country NL - Netherlands Keywords beam hardening correction ; flat-field correction ; digital radiography Subject RIV JB - Sensors, Measurment, Regulation CEZ AV0Z20710524 - UTAM-F (2005-2011) UT WOS 000268987900061 DOI 10.1016/j.nima.2009.03.156 Annotation The well known beam hardening effect has several consequences: radiograms look noisy especially when low-energy photons are detected, empty holes look filled in computed tomography and observed object looks flatter than it should be. It is shown it this paper that these problems can be solved using the “linearized signal to equivalent thickness” beam hardening correction method. Workplace Institute of Theoretical and Applied Mechanics Contact Kulawiecová Kateřina, kulawiecova@itam.cas.cz, Tel.: 225 443 285 Year of Publishing 2010
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