Parameter identification method for dual-energy X-ray imaging
The paper presents a method for parameter identification of dual-energy X-ray imaging. This method is based on pre-calculated or experimentally obtained dependencies between the right sides of the system of two integral parametric equations and two required parameters within the ranges interesting t...
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| Veröffentlicht in: | NDT & E international : independent nondestructive testing and evaluation 2015-12, Vol.76, p.38-42 |
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| container_title | NDT & E international : independent nondestructive testing and evaluation |
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| creator | Osipov, Sergei Libin, Eduard Chakhlov, Sergei Osipov, Oleg Shtein, Alexander |
| description | The paper presents a method for parameter identification of dual-energy X-ray imaging. This method is based on pre-calculated or experimentally obtained dependencies between the right sides of the system of two integral parametric equations and two required parameters within the ranges interesting to a customer. This method is characterized by a high processing speed depending on the speed of random access memory. Thus, it is used in different implementations of dual-energy X-ray imaging, namely digital radiography and computed tomography.
•An implicit level lines method to define two parameters of dual-energy X-ray imaging is proposed.•The first informative signal is approximated by a third degree polynomial.•The second informative signal is approximated by a hyperbolic dependence.•The value of second parameter is obtained by quantization of its dependence from the first informative signal.•The value of first parameter is obtained by the second informative signal and second parameter using the tabulated function. |
| doi_str_mv | 10.1016/j.ndteint.2015.08.003 |
| format | Article |
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•An implicit level lines method to define two parameters of dual-energy X-ray imaging is proposed.•The first informative signal is approximated by a third degree polynomial.•The second informative signal is approximated by a hyperbolic dependence.•The value of second parameter is obtained by quantization of its dependence from the first informative signal.•The value of first parameter is obtained by the second informative signal and second parameter using the tabulated function.</description><identifier>ISSN: 0963-8695</identifier><identifier>EISSN: 1879-1174</identifier><identifier>DOI: 10.1016/j.ndteint.2015.08.003</identifier><language>eng</language><publisher>Elsevier Ltd</publisher><subject>Digital imaging ; Digital radiography ; Dual-energy X-ray imaging ; Effective atomic number ; Imaging ; Nondestructive testing ; Parameter identification ; Radiography ; Random access memory ; Systems of integral parametric equations ; Tomography ; X-ray computed tomography ; X-rays</subject><ispartof>NDT & E international : independent nondestructive testing and evaluation, 2015-12, Vol.76, p.38-42</ispartof><rights>2015 Elsevier Ltd</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c342t-92a731c61cd16785a7bdf3c1d6f5fd99f24bdb3b5ea1a97e46a15994b1a8eb13</citedby><cites>FETCH-LOGICAL-c342t-92a731c61cd16785a7bdf3c1d6f5fd99f24bdb3b5ea1a97e46a15994b1a8eb13</cites><orcidid>0000-0002-8969-2992</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S0963869515000857$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3537,27901,27902,65306</link.rule.ids></links><search><creatorcontrib>Osipov, Sergei</creatorcontrib><creatorcontrib>Libin, Eduard</creatorcontrib><creatorcontrib>Chakhlov, Sergei</creatorcontrib><creatorcontrib>Osipov, Oleg</creatorcontrib><creatorcontrib>Shtein, Alexander</creatorcontrib><title>Parameter identification method for dual-energy X-ray imaging</title><title>NDT & E international : independent nondestructive testing and evaluation</title><description>The paper presents a method for parameter identification of dual-energy X-ray imaging. This method is based on pre-calculated or experimentally obtained dependencies between the right sides of the system of two integral parametric equations and two required parameters within the ranges interesting to a customer. This method is characterized by a high processing speed depending on the speed of random access memory. Thus, it is used in different implementations of dual-energy X-ray imaging, namely digital radiography and computed tomography.
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•An implicit level lines method to define two parameters of dual-energy X-ray imaging is proposed.•The first informative signal is approximated by a third degree polynomial.•The second informative signal is approximated by a hyperbolic dependence.•The value of second parameter is obtained by quantization of its dependence from the first informative signal.•The value of first parameter is obtained by the second informative signal and second parameter using the tabulated function.</abstract><pub>Elsevier Ltd</pub><doi>10.1016/j.ndteint.2015.08.003</doi><tpages>5</tpages><orcidid>https://orcid.org/0000-0002-8969-2992</orcidid></addata></record> |
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| ispartof | NDT & E international : independent nondestructive testing and evaluation, 2015-12, Vol.76, p.38-42 |
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| source | Elsevier ScienceDirect Journals |
| subjects | Digital imaging Digital radiography Dual-energy X-ray imaging Effective atomic number Imaging Nondestructive testing Parameter identification Radiography Random access memory Systems of integral parametric equations Tomography X-ray computed tomography X-rays |
| title | Parameter identification method for dual-energy X-ray imaging |
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