{"id":"https://openalex.org/W1965087813","doi":"https://doi.org/10.1117/12.2043963","title":"Geometric estimation of intestinal contraction for motion tracking of video capsule endoscope","display_name":"Geometric estimation of intestinal contraction for motion tracking of video capsule endoscope","publication_year":2014,"publication_date":"2014-03-12","ids":{"openalex":"https://openalex.org/W1965087813","doi":"https://doi.org/10.1117/12.2043963","mag":"1965087813"},"language":"en","primary_location":{"id":"doi:10.1117/12.2043963","is_oa":false,"landing_page_url":"https://doi.org/10.1117/12.2043963","pdf_url":null,"source":{"id":"https://openalex.org/S183492911","display_name":"Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE","issn_l":"0277-786X","issn":["0277-786X","1996-756X"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310315543","host_organization_name":"SPIE","host_organization_lineage":["https://openalex.org/P4310315543"],"host_organization_lineage_names":["SPIE"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"SPIE Proceedings","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/A5115590827","display_name":"Liang Mi","orcid":null},"institutions":[{"id":"https://openalex.org/I107077323","display_name":"Worcester Polytechnic Institute","ror":"https://ror.org/05ejpqr48","country_code":"US","type":"education","lineage":["https://openalex.org/I107077323"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"Liang Mi","raw_affiliation_strings":["Worcester Polytechnic Institute (United States)","Worcester Polytechnic Institute,United States"],"affiliations":[{"raw_affiliation_string":"Worcester Polytechnic Institute (United States)","institution_ids":["https://openalex.org/I107077323"]},{"raw_affiliation_string":"Worcester Polytechnic Institute,United States","institution_ids":["https://openalex.org/I107077323"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5110293516","display_name":"Guanqun Bao","orcid":null},"institutions":[{"id":"https://openalex.org/I107077323","display_name":"Worcester Polytechnic Institute","ror":"https://ror.org/05ejpqr48","country_code":"US","type":"education","lineage":["https://openalex.org/I107077323"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Guanqun Bao","raw_affiliation_strings":["Worcester Polytechnic Institute (United States)","Worcester Polytechnic Institute,United States"],"affiliations":[{"raw_affiliation_string":"Worcester Polytechnic Institute (United States)","institution_ids":["https://openalex.org/I107077323"]},{"raw_affiliation_string":"Worcester Polytechnic Institute,United States","institution_ids":["https://openalex.org/I107077323"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5009247867","display_name":"Kaveh Pahlavan","orcid":"https://orcid.org/0000-0001-7821-586X"},"institutions":[{"id":"https://openalex.org/I107077323","display_name":"Worcester Polytechnic Institute","ror":"https://ror.org/05ejpqr48","country_code":"US","type":"education","lineage":["https://openalex.org/I107077323"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Kaveh Pahlavan","raw_affiliation_strings":["Worcester Polytechnic Institute (United States)","Worcester Polytechnic Institute,United States"],"affiliations":[{"raw_affiliation_string":"Worcester Polytechnic Institute (United States)","institution_ids":["https://openalex.org/I107077323"]},{"raw_affiliation_string":"Worcester Polytechnic Institute,United States","institution_ids":["https://openalex.org/I107077323"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5115590827"],"corresponding_institution_ids":["https://openalex.org/I107077323"],"apc_list":null,"apc_paid":null,"fwci":0.8764,"has_fulltext":false,"cited_by_count":6,"citation_normalized_percentile":{"value":0.72820332,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":96},"biblio":{"volume":"9036","issue":null,"first_page":"90360B","last_page":"90360B"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11378","display_name":"Gastrointestinal Bleeding Diagnosis and Treatment","score":0.9998000264167786,"subfield":{"id":"https://openalex.org/subfields/2715","display_name":"Gastroenterology"},"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/T11378","display_name":"Gastrointestinal Bleeding Diagnosis and Treatment","score":0.9998000264167786,"subfield":{"id":"https://openalex.org/subfields/2715","display_name":"Gastroenterology"},"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/endoscope","display_name":"Endoscope","score":0.6310857534408569},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.5539146065711975},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5396407246589661},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.50602787733078},{"id":"https://openalex.org/keywords/contraction","display_name":"Contraction (grammar)","score":0.5054886341094971},{"id":"https://openalex.org/keywords/segmentation","display_name":"Segmentation","score":0.4830392003059387},{"id":"https://openalex.org/keywords/radius","display_name":"RADIUS","score":0.4310513138771057},{"id":"https://openalex.org/keywords/surgery","display_name":"Surgery","score":0.09851795434951782},{"id":"https://openalex.org/keywords/biology","display_name":"Biology","score":0.09207090735435486},{"id":"https://openalex.org/keywords/medicine","display_name":"Medicine","score":0.08759117126464844}],"concepts":[{"id":"https://openalex.org/C2776820786","wikidata":"https://www.wikidata.org/wiki/Q580725","display_name":"Endoscope","level":2,"score":0.6310857534408569},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.5539146065711975},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5396407246589661},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.50602787733078},{"id":"https://openalex.org/C163415756","wikidata":"https://www.wikidata.org/wiki/Q126473","display_name":"Contraction (grammar)","level":2,"score":0.5054886341094971},{"id":"https://openalex.org/C89600930","wikidata":"https://www.wikidata.org/wiki/Q1423946","display_name":"Segmentation","level":2,"score":0.4830392003059387},{"id":"https://openalex.org/C178635117","wikidata":"https://www.wikidata.org/wiki/Q747499","display_name":"RADIUS","level":2,"score":0.4310513138771057},{"id":"https://openalex.org/C141071460","wikidata":"https://www.wikidata.org/wiki/Q40821","display_name":"Surgery","level":1,"score":0.09851795434951782},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.09207090735435486},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.08759117126464844},{"id":"https://openalex.org/C134018914","wikidata":"https://www.wikidata.org/wiki/Q162606","display_name":"Endocrinology","level":1,"score":0.0},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1117/12.2043963","is_oa":false,"landing_page_url":"https://doi.org/10.1117/12.2043963","pdf_url":null,"source":{"id":"https://openalex.org/S183492911","display_name":"Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE","issn_l":"0277-786X","issn":["0277-786X","1996-756X"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310315543","host_organization_name":"SPIE","host_organization_lineage":["https://openalex.org/P4310315543"],"host_organization_lineage_names":["SPIE"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"SPIE Proceedings","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320312270","display_name":"Harbin Medical University","ror":"https://ror.org/05jscf583"},{"id":"https://openalex.org/F4320325561","display_name":"Heilongjiang University of Chinese Medicine","ror":"https://ror.org/05x1ptx12"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":13,"referenced_works":["https://openalex.org/W1964052959","https://openalex.org/W1987568141","https://openalex.org/W1992176208","https://openalex.org/W2042479930","https://openalex.org/W2052094314","https://openalex.org/W2057364616","https://openalex.org/W2060431451","https://openalex.org/W2068627060","https://openalex.org/W2074640616","https://openalex.org/W2084721856","https://openalex.org/W2089230376","https://openalex.org/W2102766308","https://openalex.org/W2737036732"],"related_works":["https://openalex.org/W2925090727","https://openalex.org/W3211638357","https://openalex.org/W2351909712","https://openalex.org/W2369735957","https://openalex.org/W2980372563","https://openalex.org/W2137055573","https://openalex.org/W4280634683","https://openalex.org/W2373354423","https://openalex.org/W2325135661","https://openalex.org/W2136429141"],"abstract_inverted_index":{"Wireless":[0],"video":[1,52],"capsule":[2,53],"endoscope":[3,74],"(VCE)":[4],"provides":[5],"a":[6,85,126,151],"noninvasive":[7],"method":[8,204],"to":[9,29,44,49,56,116,181],"examine":[10],"the":[11,51,58,61,67,70,73,76,79,96,99,118,121,133,140,157,167,170,174,183,186,195,208,211],"entire":[12],"gastrointestinal":[13],"(GI)":[14],"tract,":[15],"especially":[16],"small":[17,100,136,213],"intestine,":[18,101],"where":[19],"other":[20],"endoscopic":[21,144,217],"instruments":[22],"can":[23],"barely":[24],"reach.":[25],"VCE":[26],"is":[27,129,160],"able":[28],"continuously":[30],"provide":[31],"clear":[32],"pictures":[33],"in":[34,54,107,163],"short":[35],"fixed":[36],"intervals,":[37],"and":[38,194],"as":[39,90],"such":[40,89],"researchers":[41],"have":[42],"attempted":[43],"use":[45],"image":[46],"processing":[47],"methods":[48],"track":[50,81],"order":[55],"locate":[57],"abnormalities":[59],"inside":[60],"GI":[62],"tract.":[63],"To":[64,146],"correctly":[65],"estimate":[66,117,207],"speed":[68,108],"of":[69,72,78,98,120,135,169,185,210],"motion":[71],"capsule,":[75],"radius":[77,97,119,134,184,209],"intestinal":[80,91,123,158,188],"must":[82],"be":[83],"known":[84],"priori.":[86],"Physiological":[87],"factors":[88],"contraction,":[92],"however,":[93],"dynamically":[94],"change":[95],"which":[102],"could":[103,205],"bring":[104],"large":[105],"errors":[106],"estimation.":[109],"In":[110],"this":[111],"paper,":[112],"we":[113,177],"are":[114],"aiming":[115],"contracted":[122,187,212],"track.":[124,189],"First":[125],"geometric":[127],"model":[128,180,197],"presented":[130],"for":[131],"estimating":[132],"intestine":[137,214],"based":[138,215],"on":[139,143,173,216],"black":[141,171],"hole":[142],"images.":[145,218],"validate":[147],"our":[148,179,202],"proposed":[149,203],"model,":[150],"3-dimentional":[152],"virtual":[153],"testbed":[154],"that":[155,201],"emulates":[156],"contraction":[159],"then":[161],"introduced":[162],"details.":[164],"After":[165],"measuring":[166],"size":[168],"holes":[172],"test":[175],"images,":[176],"used":[178],"esimate":[182],"Comparision":[190],"between":[191],"analytical":[192],"results":[193],"emulation":[196],"parameters":[198],"has":[199],"verified":[200],"preciously":[206]},"counts_by_year":[{"year":2019,"cited_by_count":1},{"year":2018,"cited_by_count":1},{"year":2017,"cited_by_count":2},{"year":2016,"cited_by_count":1},{"year":2014,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
