{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,2,11]],"date-time":"2026-02-11T13:00:33Z","timestamp":1770814833904,"version":"3.50.1"},"reference-count":45,"publisher":"MDPI AG","issue":"10","license":[{"start":{"date-parts":[[2021,9,30]],"date-time":"2021-09-30T00:00:00Z","timestamp":1632960000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"Spanish Goverment","award":["TEC2016-79884-C2"],"award-info":[{"award-number":["TEC2016-79884-C2"]}]},{"name":"Spanish Goverment","award":["RTC-2016-5186-1"],"award-info":[{"award-number":["RTC-2016-5186-1"]}]},{"DOI":"10.13039\/501100003359","name":"Generalitat Valenciana","doi-asserted-by":"publisher","award":["ACIF\/2018\/105"],"award-info":[{"award-number":["ACIF\/2018\/105"]}],"id":[{"id":"10.13039\/501100003359","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100000781","name":"European Research Council","doi-asserted-by":"publisher","award":["695536"],"award-info":[{"award-number":["695536"]}],"id":[{"id":"10.13039\/501100000781","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["J. Imaging"],"abstract":"<jats:p>Improvements in energy resolution of modern positron emission tomography (PET) detectors have created opportunities to implement energy-based scatter correction algorithms. Here, we use the energy information of auxiliary windows to estimate the scatter component. Our method is directly implemented in an iterative reconstruction algorithm, generating a scatter-corrected image without the need for sinograms. The purpose was to implement a fast energy-based scatter correction method on list-mode PET data, when it was not possible to use an attenuation map as a practical approach for the scatter degradation. The proposed method was evaluated using Monte Carlo simulations of various digital phantoms. It accurately estimated the scatter fraction distribution, and improved the image contrast in the simulated studied cases. We conclude that the proposed scatter correction method could effectively correct the scattered events, including multiple scatters and those originated in sources outside the field of view.<\/jats:p>","DOI":"10.3390\/jimaging7100199","type":"journal-article","created":{"date-parts":[[2021,10,1]],"date-time":"2021-10-01T10:55:40Z","timestamp":1633085740000},"page":"199","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":8,"title":["Fast Energy Dependent Scatter Correction for List-Mode PET Data"],"prefix":"10.3390","volume":"7","author":[{"given":"Juan Manuel","family":"\u00c1lvarez-G\u00f3mez","sequence":"first","affiliation":[{"name":"Instituto de Instrumentaci\u00f3n para Imagen Molecular (I3M), Centro Mixto CSIC-Universitat Polit\u00e8cnica de Val\u00e8ncia, 46022 Val\u00e8ncia, Spain"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6578-115X","authenticated-orcid":false,"given":"Joaqu\u00edn","family":"Santos-Blasco","sequence":"additional","affiliation":[{"name":"Instituto de Instrumentaci\u00f3n para Imagen Molecular (I3M), Centro Mixto CSIC-Universitat Polit\u00e8cnica de Val\u00e8ncia, 46022 Val\u00e8ncia, Spain"}]},{"given":"Laura","family":"Moliner Mart\u00ednez","sequence":"additional","affiliation":[{"name":"Instituto de Instrumentaci\u00f3n para Imagen Molecular (I3M), Centro Mixto CSIC-Universitat Polit\u00e8cnica de Val\u00e8ncia, 46022 Val\u00e8ncia, Spain"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-8333-8792","authenticated-orcid":false,"given":"Mar\u00eda Jos\u00e9","family":"Rodr\u00edguez-\u00c1lvarez","sequence":"additional","affiliation":[{"name":"Instituto de Instrumentaci\u00f3n para Imagen Molecular (I3M), Centro Mixto CSIC-Universitat Polit\u00e8cnica de Val\u00e8ncia, 46022 Val\u00e8ncia, Spain"}]}],"member":"1968","published-online":{"date-parts":[[2021,9,30]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"1813","DOI":"10.1007\/s002590000385","article-title":"Comparative evaluation of scatter correction techniques in 3D positron emission tomography","volume":"27","author":"Zaidi","year":"2000","journal-title":"Eur. 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