{"id":"https://openalex.org/W2105535825","doi":"https://doi.org/10.1109/icip.2011.6116038","title":"Variational approach for segmentation of lung nodules","display_name":"Variational approach for segmentation of lung nodules","publication_year":2011,"publication_date":"2011-09-01","ids":{"openalex":"https://openalex.org/W2105535825","doi":"https://doi.org/10.1109/icip.2011.6116038","mag":"2105535825"},"language":"en","primary_location":{"id":"doi:10.1109/icip.2011.6116038","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icip.2011.6116038","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2011 18th IEEE International Conference on Image Processing","raw_type":"proceedings-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5101609958","display_name":"Amal Farag","orcid":null},"institutions":[{"id":"https://openalex.org/I142740786","display_name":"University of Louisville","ror":"https://ror.org/01ckdn478","country_code":"US","type":"education","lineage":["https://openalex.org/I142740786"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Amal A. Farag","raw_affiliation_strings":["Computer Vision and Image Processing Laboratory (CVIP Lab), University of Louisville, Louisville, KY, USA","Computer Vision and Image Processing Laboratory (CVIP Lab), University of Louisville, Louisville, KY 40292"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Computer Vision and Image Processing Laboratory (CVIP Lab), University of Louisville, Louisville, KY, USA","institution_ids":["https://openalex.org/I142740786"]},{"raw_affiliation_string":"Computer Vision and Image Processing Laboratory (CVIP Lab), University of Louisville, Louisville, KY 40292","institution_ids":["https://openalex.org/I142740786"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5074219072","display_name":"Hossam E. Abd El Munim","orcid":"https://orcid.org/0000-0002-2223-2887"},"institutions":[{"id":"https://openalex.org/I107720978","display_name":"Ain Shams University","ror":"https://ror.org/00cb9w016","country_code":"EG","type":"education","lineage":["https://openalex.org/I107720978"]},{"id":"https://openalex.org/I142740786","display_name":"University of Louisville","ror":"https://ror.org/01ckdn478","country_code":"US","type":"education","lineage":["https://openalex.org/I142740786"]}],"countries":["EG","US"],"is_corresponding":false,"raw_author_name":"Hossam Abdelmunim","raw_affiliation_strings":["Computer & Systems Engineering Department, Faculty of Engineering, Ain Shams University, Cairo, Egypt","Computer Vision and Image Processing Laboratory (CVIP Lab), University of Louisville, Louisville, KY, USA","Computer Vision and Image Processing Laboratory (CVIP Lab), University of Louisville, Louisville, KY 40292"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Computer & Systems Engineering Department, Faculty of Engineering, Ain Shams University, Cairo, Egypt","institution_ids":["https://openalex.org/I107720978"]},{"raw_affiliation_string":"Computer Vision and Image Processing Laboratory (CVIP Lab), University of Louisville, Louisville, KY, USA","institution_ids":["https://openalex.org/I142740786"]},{"raw_affiliation_string":"Computer Vision and Image Processing Laboratory (CVIP Lab), University of Louisville, Louisville, KY 40292","institution_ids":["https://openalex.org/I142740786"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5010526590","display_name":"James Graham","orcid":"https://orcid.org/0000-0001-5217-3104"},"institutions":[{"id":"https://openalex.org/I142740786","display_name":"University of Louisville","ror":"https://ror.org/01ckdn478","country_code":"US","type":"education","lineage":["https://openalex.org/I142740786"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"James Graham","raw_affiliation_strings":["Computer Vision and Image Processing Laboratory (CVIP Lab), University of Louisville, Louisville, KY, USA","Computer Vision and Image Processing Laboratory (CVIP Lab), University of Louisville, Louisville, KY 40292"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Computer Vision and Image Processing Laboratory (CVIP Lab), University of Louisville, Louisville, KY, USA","institution_ids":["https://openalex.org/I142740786"]},{"raw_affiliation_string":"Computer Vision and Image Processing Laboratory (CVIP Lab), University of Louisville, Louisville, KY 40292","institution_ids":["https://openalex.org/I142740786"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5111722768","display_name":"Aly A. Farag","orcid":null},"institutions":[{"id":"https://openalex.org/I142740786","display_name":"University of Louisville","ror":"https://ror.org/01ckdn478","country_code":"US","type":"education","lineage":["https://openalex.org/I142740786"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Aly A. Farag","raw_affiliation_strings":["Computer Vision and Image Processing Laboratory (CVIP Lab), University of Louisville, Louisville, KY, USA","Computer Vision and Image Processing Laboratory (CVIP Lab), University of Louisville, Louisville, KY 40292"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Computer Vision and Image Processing Laboratory (CVIP Lab), University of Louisville, Louisville, KY, USA","institution_ids":["https://openalex.org/I142740786"]},{"raw_affiliation_string":"Computer Vision and Image Processing Laboratory (CVIP Lab), University of Louisville, Louisville, KY 40292","institution_ids":["https://openalex.org/I142740786"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5108248075","display_name":"Salwa Elshazly","orcid":null},"institutions":[{"id":"https://openalex.org/I142740786","display_name":"University of Louisville","ror":"https://ror.org/01ckdn478","country_code":"US","type":"education","lineage":["https://openalex.org/I142740786"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Salwa Elshazly","raw_affiliation_strings":["Computer Vision and Image Processing Laboratory (CVIP Lab), University of Louisville, Louisville, KY, USA","Computer Vision and Image Processing Laboratory (CVIP Lab), University of Louisville, Louisville, KY 40292"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Computer Vision and Image Processing Laboratory (CVIP Lab), University of Louisville, Louisville, KY, USA","institution_ids":["https://openalex.org/I142740786"]},{"raw_affiliation_string":"Computer Vision and Image Processing Laboratory (CVIP Lab), University of Louisville, Louisville, KY 40292","institution_ids":["https://openalex.org/I142740786"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5111615319","display_name":"Sabry El-Mogy","orcid":null},"institutions":[{"id":"https://openalex.org/I159247623","display_name":"Mansoura University","ror":"https://ror.org/01k8vtd75","country_code":"EG","type":"education","lineage":["https://openalex.org/I159247623"]}],"countries":["EG"],"is_corresponding":false,"raw_author_name":"Sabry El-Mogy","raw_affiliation_strings":["School of Medicine, Mansoura University, Egypt","School of Medicine, Mansoura University Egypt"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Medicine, Mansoura University, Egypt","institution_ids":["https://openalex.org/I159247623"]},{"raw_affiliation_string":"School of Medicine, Mansoura University Egypt","institution_ids":["https://openalex.org/I159247623"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5036296332","display_name":"Mohamed M. El-Mogy","orcid":"https://orcid.org/0000-0001-7598-7557"},"institutions":[{"id":"https://openalex.org/I159247623","display_name":"Mansoura University","ror":"https://ror.org/01k8vtd75","country_code":"EG","type":"education","lineage":["https://openalex.org/I159247623"]}],"countries":["EG"],"is_corresponding":false,"raw_author_name":"Mohamed El-Mogy","raw_affiliation_strings":["School of Medicine, Mansoura University, Egypt","School of Medicine, Mansoura University Egypt"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Medicine, Mansoura University, Egypt","institution_ids":["https://openalex.org/I159247623"]},{"raw_affiliation_string":"School of Medicine, Mansoura University Egypt","institution_ids":["https://openalex.org/I159247623"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5046000824","display_name":"Robert Falk","orcid":"https://orcid.org/0000-0002-5150-0270"},"institutions":[{"id":"https://openalex.org/I4210102777","display_name":"Jewish Hospital","ror":"https://ror.org/018s10n18","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I4210102777"]},{"id":"https://openalex.org/I7287704","display_name":"Jewish Hospital","ror":"https://ror.org/01h2jcs31","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I4210165260","https://openalex.org/I7287704"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Robert Falk","raw_affiliation_strings":["FJewish Hospital and 3DR, Louisville, KY, USA","Jewish Hospital and 3DR, Louisville, Kentucky"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"FJewish Hospital and 3DR, Louisville, KY, USA","institution_ids":["https://openalex.org/I4210102777"]},{"raw_affiliation_string":"Jewish Hospital and 3DR, Louisville, Kentucky","institution_ids":["https://openalex.org/I7287704"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5074667305","display_name":"Sahar Al-Jafary","orcid":null},"institutions":[{"id":"https://openalex.org/I107720978","display_name":"Ain Shams University","ror":"https://ror.org/00cb9w016","country_code":"EG","type":"education","lineage":["https://openalex.org/I107720978"]},{"id":"https://openalex.org/I142740786","display_name":"University of Louisville","ror":"https://ror.org/01ckdn478","country_code":"US","type":"education","lineage":["https://openalex.org/I142740786"]}],"countries":["EG","US"],"is_corresponding":false,"raw_author_name":"Sahar Al-Jafary","raw_affiliation_strings":["Computer Vision and Image Processing Laboratory (CVIP Lab), University of Louisville, Louisville, KY, USA","School of Medicine, Ain Shams University Cairo Egypt"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Computer Vision and Image Processing Laboratory (CVIP Lab), University of Louisville, Louisville, KY, USA","institution_ids":["https://openalex.org/I142740786"]},{"raw_affiliation_string":"School of Medicine, Ain Shams University Cairo Egypt","institution_ids":["https://openalex.org/I107720978"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5029239080","display_name":"Hani Mahdi","orcid":"https://orcid.org/0000-0002-7442-9948"},"institutions":[{"id":"https://openalex.org/I107720978","display_name":"Ain Shams University","ror":"https://ror.org/00cb9w016","country_code":"EG","type":"education","lineage":["https://openalex.org/I107720978"]}],"countries":["EG"],"is_corresponding":false,"raw_author_name":"Hani Mahdi","raw_affiliation_strings":["Computer & Systems Engineering Department, Faculty of Engineering, Ain Shams University, Cairo, Egypt","Computer and Systems Engineering Department, Faculty of Engineering , Ain Shams University , Cairo , Egypt"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Computer & Systems Engineering Department, Faculty of Engineering, Ain Shams University, Cairo, Egypt","institution_ids":["https://openalex.org/I107720978"]},{"raw_affiliation_string":"Computer and Systems Engineering Department, Faculty of Engineering , Ain Shams University , Cairo , Egypt","institution_ids":["https://openalex.org/I107720978"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5110199759","display_name":"Rebecca A. Milam","orcid":null},"institutions":[{"id":"https://openalex.org/I142740786","display_name":"University of Louisville","ror":"https://ror.org/01ckdn478","country_code":"US","type":"education","lineage":["https://openalex.org/I142740786"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Rebecca Milam","raw_affiliation_strings":["Department of Radiology, University of Louisville, USA","University of Louisville, Department of Radiology"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Radiology, University of Louisville, USA","institution_ids":["https://openalex.org/I142740786"]},{"raw_affiliation_string":"University of Louisville, Department of Radiology","institution_ids":["https://openalex.org/I142740786"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":11,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":1.3425,"has_fulltext":false,"cited_by_count":11,"citation_normalized_percentile":{"value":0.81349318,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":98},"biblio":{"volume":"3175","issue":null,"first_page":"2157","last_page":"2160"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12422","display_name":"Radiomics and Machine Learning in Medical Imaging","score":0.9962000250816345,"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/T12422","display_name":"Radiomics and Machine Learning in Medical Imaging","score":0.9962000250816345,"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/T10052","display_name":"Medical Image Segmentation Techniques","score":0.9944000244140625,"subfield":{"id":"https://openalex.org/subfields/1707","display_name":"Computer Vision and Pattern Recognition"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10202","display_name":"Lung Cancer Diagnosis and Treatment","score":0.9916999936103821,"subfield":{"id":"https://openalex.org/subfields/2740","display_name":"Pulmonary and Respiratory Medicine"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/segmentation","display_name":"Segmentation","score":0.7571329474449158},{"id":"https://openalex.org/keywords/nodule","display_name":"Nodule (geology)","score":0.6929397583007812},{"id":"https://openalex.org/keywords/lung","display_name":"Lung","score":0.584044337272644},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.5495516061782837},{"id":"https://openalex.org/keywords/image-segmentation","display_name":"Image segmentation","score":0.5013430118560791},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.4829108715057373},{"id":"https://openalex.org/keywords/boundary","display_name":"Boundary (topology)","score":0.482796311378479},{"id":"https://openalex.org/keywords/lung-cancer","display_name":"Lung cancer","score":0.458320289850235},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.38510048389434814},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.36409324407577515},{"id":"https://openalex.org/keywords/radiology","display_name":"Radiology","score":0.34338778257369995},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.3283687233924866},{"id":"https://openalex.org/keywords/medicine","display_name":"Medicine","score":0.2974695563316345},{"id":"https://openalex.org/keywords/pathology","display_name":"Pathology","score":0.15703606605529785},{"id":"https://openalex.org/keywords/biology","display_name":"Biology","score":0.09648630023002625},{"id":"https://openalex.org/keywords/internal-medicine","display_name":"Internal medicine","score":0.060930490493774414}],"concepts":[{"id":"https://openalex.org/C89600930","wikidata":"https://www.wikidata.org/wiki/Q1423946","display_name":"Segmentation","level":2,"score":0.7571329474449158},{"id":"https://openalex.org/C2776731575","wikidata":"https://www.wikidata.org/wiki/Q2916245","display_name":"Nodule (geology)","level":2,"score":0.6929397583007812},{"id":"https://openalex.org/C2777714996","wikidata":"https://www.wikidata.org/wiki/Q7886","display_name":"Lung","level":2,"score":0.584044337272644},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.5495516061782837},{"id":"https://openalex.org/C124504099","wikidata":"https://www.wikidata.org/wiki/Q56933","display_name":"Image segmentation","level":3,"score":0.5013430118560791},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.4829108715057373},{"id":"https://openalex.org/C62354387","wikidata":"https://www.wikidata.org/wiki/Q875399","display_name":"Boundary (topology)","level":2,"score":0.482796311378479},{"id":"https://openalex.org/C2776256026","wikidata":"https://www.wikidata.org/wiki/Q47912","display_name":"Lung cancer","level":2,"score":0.458320289850235},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.38510048389434814},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.36409324407577515},{"id":"https://openalex.org/C126838900","wikidata":"https://www.wikidata.org/wiki/Q77604","display_name":"Radiology","level":1,"score":0.34338778257369995},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.3283687233924866},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.2974695563316345},{"id":"https://openalex.org/C142724271","wikidata":"https://www.wikidata.org/wiki/Q7208","display_name":"Pathology","level":1,"score":0.15703606605529785},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.09648630023002625},{"id":"https://openalex.org/C126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","level":1,"score":0.060930490493774414},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.0},{"id":"https://openalex.org/C151730666","wikidata":"https://www.wikidata.org/wiki/Q7205","display_name":"Paleontology","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/icip.2011.6116038","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icip.2011.6116038","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2011 18th IEEE International Conference on Image Processing","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.7200000286102295,"id":"https://metadata.un.org/sdg/3","display_name":"Good health and well-being"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":10,"referenced_works":["https://openalex.org/W1838005314","https://openalex.org/W1985289613","https://openalex.org/W2030767145","https://openalex.org/W2048589595","https://openalex.org/W2122692815","https://openalex.org/W2126500958","https://openalex.org/W2133145320","https://openalex.org/W2151695813","https://openalex.org/W2480604705","https://openalex.org/W6638623865"],"related_works":["https://openalex.org/W1964806738","https://openalex.org/W4243779904","https://openalex.org/W2332066440","https://openalex.org/W4377691549","https://openalex.org/W2056973590","https://openalex.org/W3164196203","https://openalex.org/W2064573700","https://openalex.org/W2475288000","https://openalex.org/W2967366602","https://openalex.org/W1522196789"],"abstract_inverted_index":{"Lung":[0],"nodules":[1,19,43,54],"from":[2,29],"low":[3],"dose":[4],"CT":[5],"(LDCT)":[6],"scans":[7],"may":[8,27],"be":[9],"used":[10],"for":[11,39,88],"early":[12],"detection":[13],"of":[14,41,66,77,85,91],"lung":[15,42],"cancer.":[16],"However,":[17],"these":[18],"vary":[20],"in":[21],"size,":[22],"shape,":[23],"texture,":[24],"location,":[25],"and":[26],"suffer":[28],"occlusion":[30],"within":[31],"the":[32,52,67,74,78,83,92],"tissue.":[33],"This":[34],"paper":[35],"presents":[36],"an":[37],"approach":[38],"segmentation":[40,79,90],"detected":[44,53],"by":[45],"a":[46],"prior":[47],"step.":[48],"First,":[49],"regions":[50],"around":[51],"are":[55],"segmented;":[56],"using":[57,73],"automatic":[58,89],"seed":[59],"point":[60],"placement":[61],"levels":[62],"sets.":[63],"The":[64],"outline":[65],"nodule":[68],"region":[69],"is":[70],"further":[71],"improved":[72],"curvature":[75],"characteristics":[76],"boundary.":[80],"We":[81],"illustrate":[82],"effectiveness":[84],"this":[86],"method":[87],"Juxta-pleural":[93],"nodules.":[94]},"counts_by_year":[{"year":2022,"cited_by_count":2},{"year":2018,"cited_by_count":1},{"year":2016,"cited_by_count":1},{"year":2015,"cited_by_count":2},{"year":2014,"cited_by_count":4},{"year":2013,"cited_by_count":1}],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}
