{"id":{"repo_id":"uiuc","oai_identifier":"oai:www.ideals.illinois.edu:2142/115670"},"canonical_url":"https://search.dev.ndltd.org/etd/uiuc/oai:www.ideals.illinois.edu:2142/115670","repository":{"repo_id":"uiuc","name":"University of Illinois - Urbana-Champaign","base_url":"https://www.ideals.illinois.edu/oai-pmh"},"display":{"title":"Experimental evaluation of Compton-enhanced PET imaging with 3-D CZT imaging sensors","abstract":"Submission published under a 24 month embargo labeled 'Closed Access', the embargo will last until 2024-05-01","abstract_html":"Submission published under a 24 month embargo labeled 'Closed Access', the embargo will last until 2024-05-01","abstract_has_math":false,"creators":["Jin, Yifei"],"institution":"University of Illinois at Urbana-Champaign","degree_name":"M.S.","degree_level":"Thesis","degree_discipline":"Nuclear, Plasma, Radiolgc Engr","degree_department":null,"school":null,"contributors":["Meng, Ling-jian","Fulvio, Angela Di"],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2022,"date_issued":"2022-05","date_published":"2022-05","updated_at":"2026-07-22T22:24:54Z","subjects":["CZT sensor","PET imaging","Compton scattering"],"languages":["en","eng"],"rights":["Copyright 2022 Yifei Jin"],"rights_urls":[],"identifier_entries":[]},"links":{"outbound_url":"https://hdl.handle.net/2142/115670","outbound_label":"Handle","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor","label":"Contributor","values":["Meng, Ling-jian","Fulvio, Angela Di"]},{"key":"dc:creator","label":"Author","values":["Jin, Yifei"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["2022-05","2022-04-15"]},{"key":"dc:type","label":"Dc Type","values":["text","Thesis"]},{"key":"thesis:degree_discipline","label":"Discipline","values":["Nuclear, Plasma, Radiolgc Engr"]},{"key":"thesis:degree_level","label":"Degree Level","values":["Thesis"]},{"key":"thesis:degree_name","label":"Degree Name","values":["M.S."]},{"key":"thesis:institution_name","label":"Thesis Institution Name","values":["University of Illinois at Urbana-Champaign"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["CZT sensor","PET imaging","Compton scattering"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language","label":"Dc Language","values":["en","eng"]},{"key":"dc:rights","label":"Dc Rights","values":["Copyright 2022 Yifei Jin"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["https://hdl.handle.net/2142/115670"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["Submission published under a 24 month embargo labeled 'Closed Access', the embargo will last until 2024-05-01","The student, Yifei Jin, accepted the attached license on 2022-03-23 at 17:23.","The student, Yifei Jin, submitted this Thesis for approval on 2022-04-13 at 15:08.","This Thesis was approved for publication on 2022-04-15 at 16:21.","DSpace SAF Submission Ingestion Package generated from Vireo submission #17544 on 2022-11-11 at 12:18:44","We constructed a prototype positron emission tomography (PET) system and experimentally evaluated large-volume 3-D cadmium zinc telluride (CZT) detectors for potential use in Compton-enhanced PET imaging. The CZT spectrometer offers sub-0.5 mm spatial resolution, an ultrahigh energy resolution (~1% @ 511 keV) and the capability of detecting multiple gamma-ray interactions that simultaneously occurred. The system consists of four CZT detector panels with a detection area of around 4.4 cm × 4.4 cm. The distance between the front surfaces of the two opposite CZT detector panels is about 80 mm. This system allows us to detect coincident annihilation photons and Compton interactions inside the detectors and then to exploit Compton kinematics to predict the first Compton interaction site and reject chance coincidences. We have developed a numerical integration technique to model the near-field Compton response that incorporates Doppler broadening, the influence of the detector’s finite energy and spatial resolutions, and the distance between the first and second interactions. This method was used to process the experimentally acquired Compton events and to effectively reject random and scattered coincidence events. In the preliminary imaging studies, we have used point-sources, line-sources, and a custom-designed resolution phantom to demonstrate an imaging resolution of approximately 0.75 mm in PET images."]},{"key":"dc:format","label":"Dc Format","values":["application/pdf"]},{"key":"dc:title","label":"Title","values":["Experimental evaluation of Compton-enhanced PET imaging with 3-D CZT imaging sensors"]}]}],"canonical_facts":{"dc:contributor":["Meng, Ling-jian","Fulvio, Angela Di"],"dc:creator":["Jin, Yifei"],"dc:date":["2022-05","2022-04-15"],"dc:description":["Submission published under a 24 month embargo labeled 'Closed Access', the embargo will last until 2024-05-01","The student, Yifei Jin, accepted the attached license on 2022-03-23 at 17:23.","The student, Yifei Jin, submitted this Thesis for approval on 2022-04-13 at 15:08.","This Thesis was approved for publication on 2022-04-15 at 16:21.","DSpace SAF Submission Ingestion Package generated from Vireo submission #17544 on 2022-11-11 at 12:18:44","We constructed a prototype positron emission tomography (PET) system and experimentally evaluated large-volume 3-D cadmium zinc telluride (CZT) detectors for potential use in Compton-enhanced PET imaging. The CZT spectrometer offers sub-0.5 mm spatial resolution, an ultrahigh energy resolution (~1% @ 511 keV) and the capability of detecting multiple gamma-ray interactions that simultaneously occurred. The system consists of four CZT detector panels with a detection area of around 4.4 cm × 4.4 cm. The distance between the front surfaces of the two opposite CZT detector panels is about 80 mm. This system allows us to detect coincident annihilation photons and Compton interactions inside the detectors and then to exploit Compton kinematics to predict the first Compton interaction site and reject chance coincidences. We have developed a numerical integration technique to model the near-field Compton response that incorporates Doppler broadening, the influence of the detector’s finite energy and spatial resolutions, and the distance between the first and second interactions. This method was used to process the experimentally acquired Compton events and to effectively reject random and scattered coincidence events. In the preliminary imaging studies, we have used point-sources, line-sources, and a custom-designed resolution phantom to demonstrate an imaging resolution of approximately 0.75 mm in PET images."],"dc:format":["application/pdf"],"dc:identifier":["https://hdl.handle.net/2142/115670"],"dc:language":["en","eng"],"dc:rights":["Copyright 2022 Yifei Jin"],"dc:subject":["CZT sensor","PET imaging","Compton scattering"],"dc:title":["Experimental evaluation of Compton-enhanced PET imaging with 3-D CZT imaging sensors"],"dc:type":["text","Thesis"],"thesis:degree_discipline":["Nuclear, Plasma, Radiolgc Engr"],"thesis:degree_level":["Thesis"],"thesis:degree_name":["M.S."],"thesis:institution_name":["University of Illinois at Urbana-Champaign"]},"updated_at":"2026-07-22T22:24:54Z"}