{"id":"https://openalex.org/W4387968139","doi":"https://doi.org/10.1145/3581783.3611746","title":"Active CT Reconstruction with a Learned Sampling Policy","display_name":"Active CT Reconstruction with a Learned Sampling Policy","publication_year":2023,"publication_date":"2023-10-26","ids":{"openalex":"https://openalex.org/W4387968139","doi":"https://doi.org/10.1145/3581783.3611746"},"language":"en","primary_location":{"id":"doi:10.1145/3581783.3611746","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3581783.3611746","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 31st ACM International Conference on Multimedia","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/A5100600891","display_name":"Ce Wang","orcid":"https://orcid.org/0000-0002-1017-7972"},"institutions":[{"id":"https://openalex.org/I4210090176","display_name":"Institute of Computing Technology","ror":"https://ror.org/0090r4d87","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210090176"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Ce Wang","raw_affiliation_strings":["Institute of Computing Techonology, CAS & Suzhou Institute of Intelligent Computing Technology, CAS, Beijing, China"],"raw_orcid":"https://orcid.org/0000-0002-1017-7972","affiliations":[{"raw_affiliation_string":"Institute of Computing Techonology, CAS & Suzhou Institute of Intelligent Computing Technology, CAS, Beijing, China","institution_ids":["https://openalex.org/I4210090176"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101431758","display_name":"Kun Shang","orcid":"https://orcid.org/0000-0003-3826-1102"},"institutions":[{"id":"https://openalex.org/I4210145761","display_name":"Shenzhen Institutes of Advanced Technology","ror":"https://ror.org/04gh4er46","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210145761"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Kun Shang","raw_affiliation_strings":["Shenzhen Institute of Advanced Technology, CAS, Shenzhen, Guangdong, China"],"raw_orcid":"https://orcid.org/0000-0003-3826-1102","affiliations":[{"raw_affiliation_string":"Shenzhen Institute of Advanced Technology, CAS, Shenzhen, Guangdong, China","institution_ids":["https://openalex.org/I4210145761"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5001445572","display_name":"Haimiao Zhang","orcid":"https://orcid.org/0000-0002-2409-2179"},"institutions":[{"id":"https://openalex.org/I78675632","display_name":"Beijing Information Science & Technology University","ror":"https://ror.org/04xnqep60","country_code":"CN","type":"education","lineage":["https://openalex.org/I78675632"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Haimiao Zhang","raw_affiliation_strings":["Beijing Information Science and Technology University, Beijing, China"],"raw_orcid":"https://orcid.org/0000-0002-2409-2179","affiliations":[{"raw_affiliation_string":"Beijing Information Science and Technology University, Beijing, China","institution_ids":["https://openalex.org/I78675632"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5061562276","display_name":"Shang Zhao","orcid":"https://orcid.org/0000-0003-1638-1533"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Shang Zhao","raw_affiliation_strings":["School of Biomedical Engineering, Division of Life Sciences, USTC & Suzhou Institute for Advanced Techonology, USTC, Heifei, Anhui &Suzhou, Jiangsu, China"],"raw_orcid":"https://orcid.org/0000-0003-1638-1533","affiliations":[{"raw_affiliation_string":"School of Biomedical Engineering, Division of Life Sciences, USTC & Suzhou Institute for Advanced Techonology, USTC, Heifei, Anhui &Suzhou, Jiangsu, China","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5025474414","display_name":"Dong Liang","orcid":"https://orcid.org/0000-0001-6257-0875"},"institutions":[{"id":"https://openalex.org/I4210145761","display_name":"Shenzhen Institutes of Advanced Technology","ror":"https://ror.org/04gh4er46","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210145761"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Dong Liang","raw_affiliation_strings":["Shenzhen Institute of Advanced Technology, CAS, Shenzhen, Guangdong, China"],"raw_orcid":"https://orcid.org/0000-0001-6257-0875","affiliations":[{"raw_affiliation_string":"Shenzhen Institute of Advanced Technology, CAS, Shenzhen, Guangdong, China","institution_ids":["https://openalex.org/I4210145761"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5028465673","display_name":"S. Kevin Zhou","orcid":"https://orcid.org/0000-0002-6881-4444"},"institutions":[{"id":"https://openalex.org/I4210125878","display_name":"Suzhou Research Institute","ror":"https://ror.org/03ebk0c60","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210125878"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"S Kevin Zhou","raw_affiliation_strings":["School of Biomedical Engineering, Division of Life Sciences, USTC & Suzhou Institute for Advanced Research, USTC, Heifei, Anhui &Suzhou, Jiangsu, China"],"raw_orcid":"https://orcid.org/0000-0002-6881-4444","affiliations":[{"raw_affiliation_string":"School of Biomedical Engineering, Division of Life Sciences, USTC & Suzhou Institute for Advanced Research, USTC, Heifei, Anhui &Suzhou, Jiangsu, China","institution_ids":["https://openalex.org/I4210125878"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":6,"corresponding_author_ids":["https://openalex.org/A5100600891"],"corresponding_institution_ids":["https://openalex.org/I4210090176"],"apc_list":null,"apc_paid":null,"fwci":1.1183,"has_fulltext":false,"cited_by_count":5,"citation_normalized_percentile":{"value":0.79074207,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":98},"biblio":{"volume":null,"issue":null,"first_page":"7226","last_page":"7235"},"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/T12386","display_name":"Advanced X-ray and CT Imaging","score":0.9994000196456909,"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"}},{"id":"https://openalex.org/T10378","display_name":"Advanced MRI Techniques and Applications","score":0.9969000220298767,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/sampling","display_name":"Sampling (signal processing)","score":0.8207670450210571},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7459337115287781},{"id":"https://openalex.org/keywords/region-of-interest","display_name":"Region of interest","score":0.6272631883621216},{"id":"https://openalex.org/keywords/iterative-reconstruction","display_name":"Iterative reconstruction","score":0.6112804412841797},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.5911263823509216},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.5728646516799927},{"id":"https://openalex.org/keywords/image-quality","display_name":"Image quality","score":0.48920607566833496},{"id":"https://openalex.org/keywords/quality","display_name":"Quality (philosophy)","score":0.4648085832595825},{"id":"https://openalex.org/keywords/image","display_name":"Image (mathematics)","score":0.4589885175228119}],"concepts":[{"id":"https://openalex.org/C140779682","wikidata":"https://www.wikidata.org/wiki/Q210868","display_name":"Sampling (signal processing)","level":3,"score":0.8207670450210571},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7459337115287781},{"id":"https://openalex.org/C19609008","wikidata":"https://www.wikidata.org/wiki/Q2138203","display_name":"Region of interest","level":2,"score":0.6272631883621216},{"id":"https://openalex.org/C141379421","wikidata":"https://www.wikidata.org/wiki/Q6094427","display_name":"Iterative reconstruction","level":2,"score":0.6112804412841797},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.5911263823509216},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.5728646516799927},{"id":"https://openalex.org/C55020928","wikidata":"https://www.wikidata.org/wiki/Q3813865","display_name":"Image quality","level":3,"score":0.48920607566833496},{"id":"https://openalex.org/C2779530757","wikidata":"https://www.wikidata.org/wiki/Q1207505","display_name":"Quality (philosophy)","level":2,"score":0.4648085832595825},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.4589885175228119},{"id":"https://openalex.org/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.0},{"id":"https://openalex.org/C111472728","wikidata":"https://www.wikidata.org/wiki/Q9471","display_name":"Epistemology","level":1,"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":1,"locations":[{"id":"doi:10.1145/3581783.3611746","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3581783.3611746","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 31st ACM International Conference on Multimedia","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Peace, Justice and strong institutions","score":0.800000011920929,"id":"https://metadata.un.org/sdg/16"}],"awards":[{"id":"https://openalex.org/G5087671786","display_name":null,"funder_award_id":"12101061","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G7060419777","display_name":null,"funder_award_id":"12001180","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G7342443271","display_name":null,"funder_award_id":"2020AAA0105802, 2020AAA0105800","funder_id":"https://openalex.org/F4320335777","funder_display_name":"National Key Research and Development Program of China"},{"id":"https://openalex.org/G7571408944","display_name":null,"funder_award_id":"62271465","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G7796860965","display_name":null,"funder_award_id":"SBK2023044571","funder_id":"https://openalex.org/F4320322769","funder_display_name":"Natural Science Foundation of Jiangsu Province"},{"id":"https://openalex.org/G8077521401","display_name":null,"funder_award_id":"2020AAA0105802","funder_id":"https://openalex.org/F4320335777","funder_display_name":"National Key Research and Development Program of China"},{"id":"https://openalex.org/G9236379","display_name":null,"funder_award_id":"2020AAA0105800","funder_id":"https://openalex.org/F4320335777","funder_display_name":"National Key Research and Development Program of China"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"},{"id":"https://openalex.org/F4320321605","display_name":"Government of Jiangsu Province","ror":"https://ror.org/004svx814"},{"id":"https://openalex.org/F4320322769","display_name":"Natural Science Foundation of Jiangsu Province","ror":"https://ror.org/01h0zpd94"},{"id":"https://openalex.org/F4320335777","display_name":"National Key Research and Development Program of China","ror":null}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":32,"referenced_works":["https://openalex.org/W1580389772","https://openalex.org/W1972150100","https://openalex.org/W2080843093","https://openalex.org/W2090525223","https://openalex.org/W2109188022","https://openalex.org/W2111298039","https://openalex.org/W2133665775","https://openalex.org/W2335945936","https://openalex.org/W2542513241","https://openalex.org/W2574952845","https://openalex.org/W2584483805","https://openalex.org/W2621228599","https://openalex.org/W2738743584","https://openalex.org/W2743780012","https://openalex.org/W2791646708","https://openalex.org/W2793419304","https://openalex.org/W2902719825","https://openalex.org/W2918015513","https://openalex.org/W3032096772","https://openalex.org/W3042927485","https://openalex.org/W3093900383","https://openalex.org/W3103586216","https://openalex.org/W3105660070","https://openalex.org/W3112965401","https://openalex.org/W3113155126","https://openalex.org/W3122899507","https://openalex.org/W3138542141","https://openalex.org/W3157089313","https://openalex.org/W3203397703","https://openalex.org/W4247765127","https://openalex.org/W4304091533","https://openalex.org/W6600135713"],"related_works":["https://openalex.org/W2757389719","https://openalex.org/W2951714568","https://openalex.org/W1963814553","https://openalex.org/W2037595954","https://openalex.org/W1988158806","https://openalex.org/W2507293823","https://openalex.org/W2386146599","https://openalex.org/W2018015402","https://openalex.org/W2144778520","https://openalex.org/W2801815023"],"abstract_inverted_index":{"Computed":[0],"tomography":[1],"(CT)":[2],"is":[3,28,137,172],"a":[4,41,54,112,117,141],"widely-used":[5],"imaging":[6],"technology":[7],"that":[8,77,154],"assists":[9],"clinical":[10],"decision-making":[11],"with":[12,30,40,57,108,147,176],"high-quality":[13,87],"human":[14],"body":[15],"representations.":[16],"To":[17,89],"reduce":[18],"the":[19,50,79,98,124,133,144,152,160,164,167],"radiation":[20],"dose":[21],"posed":[22],"by":[23],"CT,":[24],"sparse-view":[25],"(SV)":[26],"CT":[27],"developed":[29],"preserved":[31],"image":[32,56],"quality.":[33],"However,":[34],"these":[35],"methods":[36],"are":[37,155],"still":[38],"stuck":[39],"fixed":[42],"uniform":[43],"SV":[44,73],"(USV)":[45],"sampling":[46,75,80,95,102,169],"strategy,":[47],"which":[48,171],"inhibits":[49],"possibility":[51,68],"of":[52,84,100,135,166],"acquiring":[53],"better":[55,121],"an":[58,71,94],"even":[59],"reduced":[60],"dose.":[61],"In":[62],"this":[63,67,90],"paper,":[64],"we":[65,92,119],"explore":[66],"via":[69],"learning":[70],"active":[72],"(ASV)":[74],"policy":[76],"optimizes":[78],"positions":[81,103],"for":[82,97],"regions":[83],"interest":[85],"(RoI)-specific,":[86],"reconstruction.":[88],"end,":[91],"design":[93,142],"agent":[96],"recommendation":[99],"ASV":[101],"based":[104],"on":[105,123,159],"on-the-fly":[106],"reconstruction":[107,146],"obtained":[109],"sinograms":[110],"in":[111],"progressive":[113],"fashion.":[114],"With":[115],"such":[116,140],"design,":[118],"achieve":[120,175],"performances":[122],"NIH-AAPM":[125],"dataset":[126,162],"over":[127],"popular":[128],"USV":[129,177],"sampling,":[130],"especially":[131],"when":[132],"number":[134],"views":[136],"small.":[138],"Finally,":[139],"enables":[143],"RoI-aware":[145],"improved":[148],"local":[149],"quality":[150],"within":[151],"RoI":[153],"clinically":[156],"important.":[157],"Experiments":[158],"VerSe":[161],"demonstrate":[163],"ability":[165],"proposed":[168],"policy,":[170],"difficult":[173],"to":[174],"sampling.":[178]},"counts_by_year":[{"year":2024,"cited_by_count":4},{"year":2023,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}