{"id":"https://openalex.org/W2144756283","doi":"https://doi.org/10.1109/isbi.2013.6556758","title":"Locally weighted total variation denoising for ringing artifact suppression in pet reconstruction using PSF modeling","display_name":"Locally weighted total variation denoising for ringing artifact suppression in pet reconstruction using PSF modeling","publication_year":2013,"publication_date":"2013-04-01","ids":{"openalex":"https://openalex.org/W2144756283","doi":"https://doi.org/10.1109/isbi.2013.6556758","mag":"2144756283","pmid":"https://pubmed.ncbi.nlm.nih.gov/24443694"},"language":"en","primary_location":{"id":"doi:10.1109/isbi.2013.6556758","is_oa":false,"landing_page_url":"https://doi.org/10.1109/isbi.2013.6556758","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2013 IEEE 10th International Symposium on Biomedical Imaging","raw_type":"proceedings-article"},"type":"preprint","indexed_in":["crossref","pubmed"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://zenodo.org/record/1273970","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5023657790","display_name":"Arthur Mikhno","orcid":"https://orcid.org/0000-0002-7271-4868"},"institutions":[{"id":"https://openalex.org/I78577930","display_name":"Columbia University","ror":"https://ror.org/00hj8s172","country_code":"US","type":"education","lineage":["https://openalex.org/I78577930"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"Arthur Mikhno","raw_affiliation_strings":["Department of Biomedical Engineering, Columbia University","Department of Biomedical Engineering, Columbia University, USA"],"affiliations":[{"raw_affiliation_string":"Department of Biomedical Engineering, Columbia University","institution_ids":["https://openalex.org/I78577930"]},{"raw_affiliation_string":"Department of Biomedical Engineering, Columbia University, USA","institution_ids":["https://openalex.org/I78577930"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5008972669","display_name":"Elsa D. Angelini","orcid":"https://orcid.org/0000-0002-1602-300X"},"institutions":[{"id":"https://openalex.org/I78577930","display_name":"Columbia University","ror":"https://ror.org/00hj8s172","country_code":"US","type":"education","lineage":["https://openalex.org/I78577930"]},{"id":"https://openalex.org/I12356871","display_name":"T\u00e9l\u00e9com Paris","ror":"https://ror.org/01naq7912","country_code":"FR","type":"education","lineage":["https://openalex.org/I12356871","https://openalex.org/I205703379","https://openalex.org/I4210145102"]},{"id":"https://openalex.org/I4210165912","display_name":"Laboratoire Traitement et Communication de l\u2019Information","ror":"https://ror.org/057er4c39","country_code":"FR","type":"facility","lineage":["https://openalex.org/I12356871","https://openalex.org/I205703379","https://openalex.org/I4210145102","https://openalex.org/I4210165912"]},{"id":"https://openalex.org/I205703379","display_name":"Institut Mines-T\u00e9l\u00e9com","ror":"https://ror.org/025vp2923","country_code":"FR","type":"facility","lineage":["https://openalex.org/I205703379"]}],"countries":["FR","US"],"is_corresponding":false,"raw_author_name":"Elsa D. Angelini","raw_affiliation_strings":["Department of Biomedical Engineering, Columbia University ; Institut Mines-Telecom, Telecom ParisTech, CNRS LTCI, Paris, France","Department of Biomedical Engineering, Columbia University, Paris, USA","Institut Mines-Telecom, Telecom ParisTech, LTCI, Centre National de la Recherche Scientifique, Paris, France"],"affiliations":[{"raw_affiliation_string":"Department of Biomedical Engineering, Columbia University ; Institut Mines-Telecom, Telecom ParisTech, CNRS LTCI, Paris, France","institution_ids":[]},{"raw_affiliation_string":"Department of Biomedical Engineering, Columbia University, Paris, USA","institution_ids":["https://openalex.org/I78577930"]},{"raw_affiliation_string":"Institut Mines-Telecom, Telecom ParisTech, LTCI, Centre National de la Recherche Scientifique, Paris, France","institution_ids":["https://openalex.org/I4210165912","https://openalex.org/I205703379","https://openalex.org/I12356871"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5090022501","display_name":"Bing Bai","orcid":"https://orcid.org/0000-0002-6953-1948"},"institutions":[{"id":"https://openalex.org/I78577930","display_name":"Columbia University","ror":"https://ror.org/00hj8s172","country_code":"US","type":"education","lineage":["https://openalex.org/I78577930"]},{"id":"https://openalex.org/I1174212","display_name":"University of Southern California","ror":"https://ror.org/03taz7m60","country_code":"US","type":"education","lineage":["https://openalex.org/I1174212"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Bing Bai","raw_affiliation_strings":["Signal and Image Processing Institute, University of Southern California","Department of Biomedical Engineering, Columbia University, USA"],"affiliations":[{"raw_affiliation_string":"Signal and Image Processing Institute, University of Southern California","institution_ids":["https://openalex.org/I1174212"]},{"raw_affiliation_string":"Department of Biomedical Engineering, Columbia University, USA","institution_ids":["https://openalex.org/I78577930"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5090489079","display_name":"Andrew F. Laine","orcid":"https://orcid.org/0000-0003-3797-0628"},"institutions":[{"id":"https://openalex.org/I78577930","display_name":"Columbia University","ror":"https://ror.org/00hj8s172","country_code":"US","type":"education","lineage":["https://openalex.org/I78577930"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Andrew F. Laine","raw_affiliation_strings":["Department of Biomedical Engineering, Columbia University","Department of Biomedical Engineering, Columbia University, USA"],"affiliations":[{"raw_affiliation_string":"Department of Biomedical Engineering, Columbia University","institution_ids":["https://openalex.org/I78577930"]},{"raw_affiliation_string":"Department of Biomedical Engineering, Columbia University, USA","institution_ids":["https://openalex.org/I78577930"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5023657790"],"corresponding_institution_ids":["https://openalex.org/I78577930"],"apc_list":null,"apc_paid":null,"fwci":0.2648,"has_fulltext":false,"cited_by_count":6,"citation_normalized_percentile":{"value":0.65886545,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":95},"biblio":{"volume":"2013","issue":null,"first_page":"1252","last_page":"1255"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10522","display_name":"Medical Imaging Techniques and Applications","score":1.0,"subfield":{"id":"https://openalex.org/subfields/2741","display_name":"Radiology, Nuclear Medicine and Imaging"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},"topics":[{"id":"https://openalex.org/T10522","display_name":"Medical Imaging Techniques and Applications","score":1.0,"subfield":{"id":"https://openalex.org/subfields/2741","display_name":"Radiology, Nuclear Medicine and Imaging"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T10378","display_name":"Advanced MRI Techniques and Applications","score":0.9993000030517578,"subfield":{"id":"https://openalex.org/subfields/2741","display_name":"Radiology, Nuclear Medicine and Imaging"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T12386","display_name":"Advanced X-ray and CT Imaging","score":0.9990000128746033,"subfield":{"id":"https://openalex.org/subfields/2204","display_name":"Biomedical Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/ringing-artifacts","display_name":"Ringing artifacts","score":0.9039967060089111},{"id":"https://openalex.org/keywords/ringing","display_name":"Ringing","score":0.8487714529037476},{"id":"https://openalex.org/keywords/iterative-reconstruction","display_name":"Iterative reconstruction","score":0.7078602910041809},{"id":"https://openalex.org/keywords/imaging-phantom","display_name":"Imaging phantom","score":0.6598511338233948},{"id":"https://openalex.org/keywords/point-spread-function","display_name":"Point spread function","score":0.6266676187515259},{"id":"https://openalex.org/keywords/artifact","display_name":"Artifact (error)","score":0.5967652797698975},{"id":"https://openalex.org/keywords/noise-reduction","display_name":"Noise reduction","score":0.569485604763031},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5385687351226807},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.5385313034057617},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.5375200510025024},{"id":"https://openalex.org/keywords/positron-emission-tomography","display_name":"Positron emission tomography","score":0.4953542947769165},{"id":"https://openalex.org/keywords/contrast","display_name":"Contrast (vision)","score":0.4894320070743561},{"id":"https://openalex.org/keywords/image-restoration","display_name":"Image restoration","score":0.42308205366134644},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.19927102327346802},{"id":"https://openalex.org/keywords/image-processing","display_name":"Image processing","score":0.18808940052986145},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.15995976328849792},{"id":"https://openalex.org/keywords/nuclear-medicine","display_name":"Nuclear medicine","score":0.1416957676410675},{"id":"https://openalex.org/keywords/image","display_name":"Image (mathematics)","score":0.14106589555740356}],"concepts":[{"id":"https://openalex.org/C17828673","wikidata":"https://www.wikidata.org/wiki/Q7334899","display_name":"Ringing artifacts","level":3,"score":0.9039967060089111},{"id":"https://openalex.org/C30684385","wikidata":"https://www.wikidata.org/wiki/Q176509","display_name":"Ringing","level":3,"score":0.8487714529037476},{"id":"https://openalex.org/C141379421","wikidata":"https://www.wikidata.org/wiki/Q6094427","display_name":"Iterative reconstruction","level":2,"score":0.7078602910041809},{"id":"https://openalex.org/C104293457","wikidata":"https://www.wikidata.org/wiki/Q28324852","display_name":"Imaging phantom","level":2,"score":0.6598511338233948},{"id":"https://openalex.org/C69179731","wikidata":"https://www.wikidata.org/wiki/Q510427","display_name":"Point spread function","level":2,"score":0.6266676187515259},{"id":"https://openalex.org/C2779010991","wikidata":"https://www.wikidata.org/wiki/Q2720909","display_name":"Artifact (error)","level":2,"score":0.5967652797698975},{"id":"https://openalex.org/C163294075","wikidata":"https://www.wikidata.org/wiki/Q581861","display_name":"Noise reduction","level":2,"score":0.569485604763031},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5385687351226807},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.5385313034057617},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.5375200510025024},{"id":"https://openalex.org/C2775842073","wikidata":"https://www.wikidata.org/wiki/Q208376","display_name":"Positron emission tomography","level":2,"score":0.4953542947769165},{"id":"https://openalex.org/C2776502983","wikidata":"https://www.wikidata.org/wiki/Q690182","display_name":"Contrast (vision)","level":2,"score":0.4894320070743561},{"id":"https://openalex.org/C106430172","wikidata":"https://www.wikidata.org/wiki/Q6002272","display_name":"Image restoration","level":4,"score":0.42308205366134644},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.19927102327346802},{"id":"https://openalex.org/C9417928","wikidata":"https://www.wikidata.org/wiki/Q1070689","display_name":"Image processing","level":3,"score":0.18808940052986145},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.15995976328849792},{"id":"https://openalex.org/C2989005","wikidata":"https://www.wikidata.org/wiki/Q214963","display_name":"Nuclear medicine","level":1,"score":0.1416957676410675},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.14106589555740356},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.0},{"id":"https://openalex.org/C106131492","wikidata":"https://www.wikidata.org/wiki/Q3072260","display_name":"Filter (signal processing)","level":2,"score":0.0}],"mesh":[],"locations_count":4,"locations":[{"id":"doi:10.1109/isbi.2013.6556758","is_oa":false,"landing_page_url":"https://doi.org/10.1109/isbi.2013.6556758","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2013 IEEE 10th International Symposium on Biomedical Imaging","raw_type":"proceedings-article"},{"id":"pmid:24443694","is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/24443694","pdf_url":null,"source":{"id":"https://openalex.org/S4306525036","display_name":"PubMed","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings. IEEE International Symposium on Biomedical Imaging","raw_type":null},{"id":"pmh:oai:europepmc.org:3243233","is_oa":false,"landing_page_url":"https://www.ncbi.nlm.nih.gov/pmc/articles/3892426","pdf_url":null,"source":{"id":"https://openalex.org/S4306400806","display_name":"Europe PMC (PubMed Central)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I1303153112","host_organization_name":"European Bioinformatics Institute","host_organization_lineage":["https://openalex.org/I1303153112"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Text"},{"id":"pmh:oai:zenodo.org:1273970","is_oa":true,"landing_page_url":"https://zenodo.org/record/1273970","pdf_url":null,"source":{"id":"https://openalex.org/S4306400562","display_name":"Zenodo (CERN European Organization for Nuclear Research)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I67311998","host_organization_name":"European Organization for Nuclear Research","host_organization_lineage":["https://openalex.org/I67311998"],"host_organization_lineage_names":[],"type":"repository"},"license":"public-domain","license_id":"https://openalex.org/licenses/public-domain","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"info:eu-repo/semantics/conferencePaper"}],"best_oa_location":{"id":"pmh:oai:zenodo.org:1273970","is_oa":true,"landing_page_url":"https://zenodo.org/record/1273970","pdf_url":null,"source":{"id":"https://openalex.org/S4306400562","display_name":"Zenodo (CERN European Organization for Nuclear Research)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I67311998","host_organization_name":"European Organization for Nuclear Research","host_organization_lineage":["https://openalex.org/I67311998"],"host_organization_lineage_names":[],"type":"repository"},"license":"public-domain","license_id":"https://openalex.org/licenses/public-domain","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"info:eu-repo/semantics/conferencePaper"},"sustainable_development_goals":[{"display_name":"Sustainable cities and communities","score":0.7300000190734863,"id":"https://metadata.un.org/sdg/11"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":11,"referenced_works":["https://openalex.org/W194834462","https://openalex.org/W1978153144","https://openalex.org/W2027564008","https://openalex.org/W2069629287","https://openalex.org/W2080500950","https://openalex.org/W2099464067","https://openalex.org/W2143395375","https://openalex.org/W2154785303","https://openalex.org/W2165269558","https://openalex.org/W2539588065","https://openalex.org/W6682823025"],"related_works":["https://openalex.org/W2104708016","https://openalex.org/W2390701595","https://openalex.org/W1542850441","https://openalex.org/W2090956370","https://openalex.org/W2293401449","https://openalex.org/W2095868395","https://openalex.org/W2528053022","https://openalex.org/W1521729480","https://openalex.org/W2048473794","https://openalex.org/W2786234810"],"abstract_inverted_index":{"Iterative":[0],"reconstruction":[1,52,69],"with":[2],"point":[3],"spread":[4],"function":[5],"(PSF)":[6],"modeling":[7],"improves":[8],"contrast":[9,27,88],"recovery":[10,89],"in":[11],"positron":[12],"emission":[13],"tomography":[14],"(PET)":[15],"images,":[16],"but":[17],"also":[18],"introduces":[19],"ringing":[20,83],"artifacts":[21,35,63,84],"and":[22,28,40,78],"over":[23],"enhancement":[24],"that":[25,54,82],"is":[26,36,71,90],"object":[29],"size":[30],"dependent.":[31],"Mitigation":[32],"of":[33],"these":[34],"crucial":[37],"for":[38],"clinical":[39],"research":[41],"purposes.":[42],"In":[43],"this":[44],"work":[45],"we":[46],"introduce":[47],"a":[48,74],"new":[49],"iterative":[50],"regularized":[51],"method":[53,70],"incorporates":[55],"locally-weighted":[56],"total":[57],"variation":[58],"denoising":[59],"designed":[60],"to":[61],"suppress":[62],"induced":[64],"by":[65],"PSF":[66],"modeling.":[67],"The":[68],"evaluated":[72],"on":[73],"simulated":[75],"cylindrical":[76],"phantom":[77],"preliminary":[79],"results":[80],"show":[81],"are":[85],"suppressed":[86],"while":[87],"maintained.":[91]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":1},{"year":2020,"cited_by_count":1},{"year":2019,"cited_by_count":1},{"year":2014,"cited_by_count":1}],"updated_date":"2026-03-20T23:20:44.827607","created_date":"2025-10-10T00:00:00"}