{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,10]],"date-time":"2026-06-10T16:17:37Z","timestamp":1781108257365,"version":"3.54.1"},"reference-count":19,"publisher":"IGI Global Scientific Publishing","issue":"1","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2014,1,1]]},"abstract":"<p>Analysis of acquired nuclear detector gamma-ray signals for recognition of present radioisotopic signatures is crucial to national security and security applications. Identification algorithms must be accurate and rapid. Artificial intelligence is a scientific field with a variety of tools suitable to implement automated processing of nuclear signals. The use of low resolution portable detectors to measure gamma-ray signals has found a wide use in security and safeguards applications. In this paper, the fuzzy logic based analysis methodology that has been previously developed is applied and assessed on a variety of nuclear signals obtained with a low resolution scintillation detector, and more particularly a sodium iodide (NaI) detector. Various types of fuzzy membership functions are employed and their performance is assessed with regard to the number of positive detections, misses, and false alarms. Furthermore, recorded results from the set of low resolution gamma ray signals are used to estimate the detection sensitivity for each membership function. Results demonstrate the overall effectiveness of the fuzzy logic based identifier, and consist of the main course for the assessment of each membership function. Furthermore, comparison of results designates the triangular membership function as the best membership shape for this type of detector signals.<\/p>","DOI":"10.4018\/ijmstr.2014010101","type":"journal-article","created":{"date-parts":[[2014,10,10]],"date-time":"2014-10-10T15:21:25Z","timestamp":1412954485000},"page":"1-21","source":"Crossref","is-referenced-by-count":7,"title":["Assessment of Fuzzy Logic Radioisotopic Pattern Identifier on Gamma-Ray Signals with Application to Security"],"prefix":"10.4018","volume":"2","author":[{"given":"Miltiadis","family":"Alamaniotis","sequence":"first","affiliation":[{"name":"Nuclear Engineering Program, University of Utah, Salt Lake City, UT, USA & Applied Intelligent Systems Laboratory, School of Nuclear Engineering, Purdue University, West Lafayette, IN, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jason","family":"Young","sequence":"additional","affiliation":[{"name":"Applied Intelligent Systems Laboratory, School of Nuclear Engineering, Purdue University, West Lafayette, IN, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Lefteri H.","family":"Tsoukalas","sequence":"additional","affiliation":[{"name":"Applied Intelligent Systems Laboratory, School of Nuclear Engineering, Purdue University, West Lafayette, IN, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"2432","reference":[{"key":"ijmstr.2014010101-0","doi-asserted-by":"publisher","DOI":"10.1109\/ICTAI.2009.96"},{"key":"ijmstr.2014010101-1","doi-asserted-by":"publisher","DOI":"10.1109\/TNS.2013.2265307"},{"issue":"2","key":"ijmstr.2014010101-2","doi-asserted-by":"crossref","first-page":"480","DOI":"10.13182\/NT11-A12319","article-title":"Intelligent recognition of signature patterns in NRF spectra","volume":"175","author":"M.Alamaniotis","year":"2011","journal-title":"Nuclear Technology"},{"key":"ijmstr.2014010101-3","doi-asserted-by":"publisher","DOI":"10.1109\/ICTAI.2008.125"},{"key":"ijmstr.2014010101-4","doi-asserted-by":"crossref","unstructured":"Carlevaro, C. 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