{"id":"https://openalex.org/W2121580559","doi":"https://doi.org/10.1109/ssiai.2012.6202470","title":"Optical flow estimation in gated cardiac SPECT","display_name":"Optical flow estimation in gated cardiac SPECT","publication_year":2012,"publication_date":"2012-04-01","ids":{"openalex":"https://openalex.org/W2121580559","doi":"https://doi.org/10.1109/ssiai.2012.6202470","mag":"2121580559"},"language":"en","primary_location":{"id":"doi:10.1109/ssiai.2012.6202470","is_oa":false,"landing_page_url":"https://doi.org/10.1109/ssiai.2012.6202470","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2012 IEEE Southwest Symposium on Image Analysis and Interpretation","raw_type":"proceedings-article"},"type":"conference-paper","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/A5102326460","display_name":"Wenyuan Qi","orcid":null},"institutions":[{"id":"https://openalex.org/I180949307","display_name":"Illinois Institute of Technology","ror":"https://ror.org/037t3ry66","country_code":"US","type":"education","lineage":["https://openalex.org/I180949307"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Wenyuan Qi","raw_affiliation_strings":["Department of Electrical and Computer Engineering, Illinois Institute of Technology, Chicago, IL, USA","Dept. of Electrical and Computer Engineering, Illinois Institute of Technology, 3301 S. Dearborn Street, Chicago, 60616, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, Illinois Institute of Technology, Chicago, IL, USA","institution_ids":["https://openalex.org/I180949307"]},{"raw_affiliation_string":"Dept. of Electrical and Computer Engineering, Illinois Institute of Technology, 3301 S. Dearborn Street, Chicago, 60616, USA","institution_ids":["https://openalex.org/I180949307"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5082714133","display_name":"Xiaofeng Niu","orcid":"https://orcid.org/0000-0001-7338-3784"},"institutions":[{"id":"https://openalex.org/I180949307","display_name":"Illinois Institute of Technology","ror":"https://ror.org/037t3ry66","country_code":"US","type":"education","lineage":["https://openalex.org/I180949307"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Xiaofeng Niu","raw_affiliation_strings":["Department of Electrical and Computer Engineering, Illinois Institute of Technology, Chicago, IL, USA","Dept. of Electrical and Computer Engineering, Illinois Institute of Technology, 3301 S. Dearborn Street, Chicago, 60616, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, Illinois Institute of Technology, Chicago, IL, USA","institution_ids":["https://openalex.org/I180949307"]},{"raw_affiliation_string":"Dept. of Electrical and Computer Engineering, Illinois Institute of Technology, 3301 S. Dearborn Street, Chicago, 60616, USA","institution_ids":["https://openalex.org/I180949307"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5048510347","display_name":"Yongyi Yang","orcid":"https://orcid.org/0000-0003-3564-3260"},"institutions":[{"id":"https://openalex.org/I180949307","display_name":"Illinois Institute of Technology","ror":"https://ror.org/037t3ry66","country_code":"US","type":"education","lineage":["https://openalex.org/I180949307"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Yongyi Yang","raw_affiliation_strings":["Department of Electrical and Computer Engineering, Illinois Institute of Technology, Chicago, IL, USA","Dept. of Electrical and Computer Engineering, Illinois Institute of Technology, 3301 S. Dearborn Street, Chicago, 60616, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, Illinois Institute of Technology, Chicago, IL, USA","institution_ids":["https://openalex.org/I180949307"]},{"raw_affiliation_string":"Dept. of Electrical and Computer Engineering, Illinois Institute of Technology, 3301 S. Dearborn Street, Chicago, 60616, USA","institution_ids":["https://openalex.org/I180949307"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I180949307"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.26319896,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"3","issue":null,"first_page":"129","last_page":"132"},"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":0.9986000061035156,"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":0.9965000152587891,"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/optical-flow","display_name":"Optical flow","score":0.7979193329811096},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.7020127773284912},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.6901643872261047},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6715723872184753},{"id":"https://openalex.org/keywords/iterative-reconstruction","display_name":"Iterative reconstruction","score":0.6460235118865967},{"id":"https://openalex.org/keywords/imaging-phantom","display_name":"Imaging phantom","score":0.6334478855133057},{"id":"https://openalex.org/keywords/attenuation","display_name":"Attenuation","score":0.5544033050537109},{"id":"https://openalex.org/keywords/motion-blur","display_name":"Motion blur","score":0.5417843461036682},{"id":"https://openalex.org/keywords/noise","display_name":"Noise (video)","score":0.508213996887207},{"id":"https://openalex.org/keywords/motion-estimation","display_name":"Motion estimation","score":0.5052147507667542},{"id":"https://openalex.org/keywords/image-restoration","display_name":"Image restoration","score":0.4753831624984741},{"id":"https://openalex.org/keywords/matching","display_name":"Matching (statistics)","score":0.4703904390335083},{"id":"https://openalex.org/keywords/image-quality","display_name":"Image quality","score":0.43144524097442627},{"id":"https://openalex.org/keywords/motion","display_name":"Motion (physics)","score":0.41476088762283325},{"id":"https://openalex.org/keywords/image-processing","display_name":"Image processing","score":0.3558621406555176},{"id":"https://openalex.org/keywords/image","display_name":"Image (mathematics)","score":0.287753164768219},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.23446449637413025},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.19438216090202332},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.19004973769187927},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.07204705476760864}],"concepts":[{"id":"https://openalex.org/C155542232","wikidata":"https://www.wikidata.org/wiki/Q736111","display_name":"Optical flow","level":3,"score":0.7979193329811096},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.7020127773284912},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.6901643872261047},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6715723872184753},{"id":"https://openalex.org/C141379421","wikidata":"https://www.wikidata.org/wiki/Q6094427","display_name":"Iterative reconstruction","level":2,"score":0.6460235118865967},{"id":"https://openalex.org/C104293457","wikidata":"https://www.wikidata.org/wiki/Q28324852","display_name":"Imaging phantom","level":2,"score":0.6334478855133057},{"id":"https://openalex.org/C184652730","wikidata":"https://www.wikidata.org/wiki/Q2357982","display_name":"Attenuation","level":2,"score":0.5544033050537109},{"id":"https://openalex.org/C2777708103","wikidata":"https://www.wikidata.org/wiki/Q852589","display_name":"Motion blur","level":3,"score":0.5417843461036682},{"id":"https://openalex.org/C99498987","wikidata":"https://www.wikidata.org/wiki/Q2210247","display_name":"Noise (video)","level":3,"score":0.508213996887207},{"id":"https://openalex.org/C10161872","wikidata":"https://www.wikidata.org/wiki/Q557891","display_name":"Motion estimation","level":2,"score":0.5052147507667542},{"id":"https://openalex.org/C106430172","wikidata":"https://www.wikidata.org/wiki/Q6002272","display_name":"Image restoration","level":4,"score":0.4753831624984741},{"id":"https://openalex.org/C165064840","wikidata":"https://www.wikidata.org/wiki/Q1321061","display_name":"Matching (statistics)","level":2,"score":0.4703904390335083},{"id":"https://openalex.org/C55020928","wikidata":"https://www.wikidata.org/wiki/Q3813865","display_name":"Image quality","level":3,"score":0.43144524097442627},{"id":"https://openalex.org/C104114177","wikidata":"https://www.wikidata.org/wiki/Q79782","display_name":"Motion (physics)","level":2,"score":0.41476088762283325},{"id":"https://openalex.org/C9417928","wikidata":"https://www.wikidata.org/wiki/Q1070689","display_name":"Image processing","level":3,"score":0.3558621406555176},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.287753164768219},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.23446449637413025},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.19438216090202332},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.19004973769187927},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.07204705476760864}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/ssiai.2012.6202470","is_oa":false,"landing_page_url":"https://doi.org/10.1109/ssiai.2012.6202470","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2012 IEEE Southwest Symposium on Image Analysis and Interpretation","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/11","display_name":"Sustainable cities and communities","score":0.7599999904632568}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":15,"referenced_works":["https://openalex.org/W1578285471","https://openalex.org/W2033540761","https://openalex.org/W2044813020","https://openalex.org/W2060039532","https://openalex.org/W2060189352","https://openalex.org/W2070741514","https://openalex.org/W2096939684","https://openalex.org/W2128233001","https://openalex.org/W2135479364","https://openalex.org/W2157486817","https://openalex.org/W2161366386","https://openalex.org/W2162832106","https://openalex.org/W2751023760","https://openalex.org/W2906611438","https://openalex.org/W3012235299"],"related_works":["https://openalex.org/W2809398103","https://openalex.org/W2189446904","https://openalex.org/W2147326311","https://openalex.org/W1610044448","https://openalex.org/W2140292627","https://openalex.org/W2111547392","https://openalex.org/W2564723179","https://openalex.org/W2030154815","https://openalex.org/W2547347870","https://openalex.org/W2044945560"],"abstract_inverted_index":{"In":[0,22,43,81],"cardiac":[1],"gated":[2],"SPECT,":[3],"image":[4,79],"reconstruction":[5,57,120],"suffers":[6],"from":[7,98,133],"several":[8],"degrading":[9],"factors":[10],"including":[11],"limited":[12],"data":[13],"counts,":[14],"depth-dependent":[15],"blur,":[16],"attenuation,":[17],"scatter,":[18],"and":[19,60],"motion":[20,108],"blur.":[21],"our":[23,82],"recent":[24],"work":[25,45],"it":[26],"was":[27,111],"demonstrated":[28],"that":[29,118,132],"use":[30],"of":[31],"motion-compensated":[32],"temporal":[33],"processing":[34],"could":[35],"lead":[36],"to":[37],"improved":[38],"accuracy":[39],"in":[40,58,61,71,109],"4D":[41,119],"reconstruction.":[42,114],"this":[44],"we":[46,63,84],"investigate":[47],"how":[48,65],"different":[49],"optical":[50,72,124],"flow":[51,73,125],"estimation":[52,74],"methods":[53],"can":[54,127],"affect":[55],"the":[56,77,99,106,134],"4D,":[59],"particular,":[62],"examine":[64],"much":[66],"room":[67],"is":[68],"still":[69],"left":[70],"toward":[75],"improving":[76],"reconstructed":[78],"quality.":[80],"experiments":[83],"conducted":[85],"a":[86,122],"thorough,":[87],"quantitative":[88],"evaluation":[89],"using":[90],"simulated":[91],"imaging":[92],"study":[93],"with":[94,121],"multiple":[95],"noise":[96],"realizations":[97],"NCAT":[100,110],"phantom.":[101],"As":[102],"an":[103],"upper":[104],"bound,":[105],"known":[107,135],"used":[112],"for":[113],"The":[115],"results":[116,129],"show":[117],"periodic":[123],"model":[126],"achieve":[128],"almost":[130],"matching":[131],"motion.":[136]},"counts_by_year":[],"updated_date":"2026-07-29T14:22:42.915294","created_date":"2025-10-10T00:00:00"}
