{"id":"https://openalex.org/W7161780421","doi":"https://doi.org/10.1109/isbi61048.2026.11515985","title":"Reconstruction of Absorption Coefficients for Quantitative Photoacoustic Tomography with Unsupervised Neural Representation","display_name":"Reconstruction of Absorption Coefficients for Quantitative Photoacoustic Tomography with Unsupervised Neural Representation","publication_year":2026,"publication_date":"2026-04-08","ids":{"openalex":"https://openalex.org/W7161780421","doi":"https://doi.org/10.1109/isbi61048.2026.11515985"},"language":null,"primary_location":{"id":"doi:10.1109/isbi61048.2026.11515985","is_oa":false,"landing_page_url":"https://doi.org/10.1109/isbi61048.2026.11515985","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2026 IEEE 23rd International Symposium on Biomedical Imaging (ISBI)","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/A5111251778","display_name":"Youshen Xiao","orcid":null},"institutions":[{"id":"https://openalex.org/I30809798","display_name":"ShanghaiTech University","ror":"https://ror.org/030bhh786","country_code":"CN","type":"education","lineage":["https://openalex.org/I30809798"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Youshen Xiao","raw_affiliation_strings":["School of Information Science and Technology, ShanghaiTech University"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Information Science and Technology, ShanghaiTech University","institution_ids":["https://openalex.org/I30809798"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100946126","display_name":"Yiling Shi","orcid":"https://orcid.org/0009-0006-0436-8971"},"institutions":[{"id":"https://openalex.org/I30809798","display_name":"ShanghaiTech University","ror":"https://ror.org/030bhh786","country_code":"CN","type":"education","lineage":["https://openalex.org/I30809798"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yiling Shi","raw_affiliation_strings":["School of Biomedical Engineering, ShanghaiTech University"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Biomedical Engineering, ShanghaiTech University","institution_ids":["https://openalex.org/I30809798"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5018088547","display_name":"Ruixi Sun","orcid":"https://orcid.org/0000-0002-8553-9333"},"institutions":[{"id":"https://openalex.org/I30809798","display_name":"ShanghaiTech University","ror":"https://ror.org/030bhh786","country_code":"CN","type":"education","lineage":["https://openalex.org/I30809798"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Ruixi Sun","raw_affiliation_strings":["School of Information Science and Technology, ShanghaiTech University"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Information Science and Technology, ShanghaiTech University","institution_ids":["https://openalex.org/I30809798"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5136591197","display_name":"Yuyao Zhang","orcid":null},"institutions":[{"id":"https://openalex.org/I30809798","display_name":"ShanghaiTech University","ror":"https://ror.org/030bhh786","country_code":"CN","type":"education","lineage":["https://openalex.org/I30809798"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yuyao Zhang","raw_affiliation_strings":["School of Information Science and Technology, ShanghaiTech University"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Information Science and Technology, ShanghaiTech University","institution_ids":["https://openalex.org/I30809798"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5136543954","display_name":"Fei Gao","orcid":null},"institutions":[{"id":"https://openalex.org/I126520041","display_name":"University of Science and Technology of China","ror":"https://ror.org/04c4dkn09","country_code":"CN","type":"education","lineage":["https://openalex.org/I126520041","https://openalex.org/I19820366"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Fei Gao","raw_affiliation_strings":["University of Science and Technology of China,School of Biomedical Engineering, Division of Life Sciences and Medicine"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Science and Technology of China,School of Biomedical Engineering, Division of Life Sciences and Medicine","institution_ids":["https://openalex.org/I126520041"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.62482909,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"5"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12015","display_name":"Photoacoustic and Ultrasonic Imaging","score":0.9850000143051147,"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"}},"topics":[{"id":"https://openalex.org/T12015","display_name":"Photoacoustic and Ultrasonic Imaging","score":0.9850000143051147,"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/T11856","display_name":"Thermography and Photoacoustic Techniques","score":0.009700000286102295,"subfield":{"id":"https://openalex.org/subfields/2211","display_name":"Mechanics of Materials"},"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/T11111","display_name":"Spectroscopy and Laser Applications","score":0.0012000000569969416,"subfield":{"id":"https://openalex.org/subfields/1607","display_name":"Spectroscopy"},"field":{"id":"https://openalex.org/fields/16","display_name":"Chemistry"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/photoacoustic-tomography","display_name":"Photoacoustic tomography","score":0.545799970626831},{"id":"https://openalex.org/keywords/photoacoustic-imaging-in-biomedicine","display_name":"Photoacoustic imaging in biomedicine","score":0.5299000144004822},{"id":"https://openalex.org/keywords/tomography","display_name":"Tomography","score":0.4846999943256378},{"id":"https://openalex.org/keywords/attenuation-coefficient","display_name":"Attenuation coefficient","score":0.46810001134872437},{"id":"https://openalex.org/keywords/absorption","display_name":"Absorption (acoustics)","score":0.4325000047683716},{"id":"https://openalex.org/keywords/representation","display_name":"Representation (politics)","score":0.413100004196167}],"concepts":[{"id":"https://openalex.org/C109592283","wikidata":"https://www.wikidata.org/wiki/Q7187705","display_name":"Photoacoustic tomography","level":3,"score":0.545799970626831},{"id":"https://openalex.org/C54932901","wikidata":"https://www.wikidata.org/wiki/Q7187705","display_name":"Photoacoustic imaging in biomedicine","level":2,"score":0.5299000144004822},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.49570000171661377},{"id":"https://openalex.org/C163716698","wikidata":"https://www.wikidata.org/wiki/Q841267","display_name":"Tomography","level":2,"score":0.4846999943256378},{"id":"https://openalex.org/C159774933","wikidata":"https://www.wikidata.org/wiki/Q902086","display_name":"Attenuation coefficient","level":2,"score":0.46810001134872437},{"id":"https://openalex.org/C125287762","wikidata":"https://www.wikidata.org/wiki/Q1758948","display_name":"Absorption (acoustics)","level":2,"score":0.4325000047683716},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.4174000024795532},{"id":"https://openalex.org/C2776359362","wikidata":"https://www.wikidata.org/wiki/Q2145286","display_name":"Representation (politics)","level":3,"score":0.413100004196167},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.39329999685287476},{"id":"https://openalex.org/C141379421","wikidata":"https://www.wikidata.org/wiki/Q6094427","display_name":"Iterative reconstruction","level":2,"score":0.3880000114440918},{"id":"https://openalex.org/C50644808","wikidata":"https://www.wikidata.org/wiki/Q192776","display_name":"Artificial neural network","level":2,"score":0.3474000096321106},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.3174999952316284},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.2980000078678131},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.2930999994277954},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.2847000062465668},{"id":"https://openalex.org/C24890656","wikidata":"https://www.wikidata.org/wiki/Q82811","display_name":"Acoustics","level":1,"score":0.26159998774528503}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/isbi61048.2026.11515985","is_oa":false,"landing_page_url":"https://doi.org/10.1109/isbi61048.2026.11515985","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2026 IEEE 23rd International Symposium on Biomedical Imaging (ISBI)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":15,"referenced_works":["https://openalex.org/W1901129140","https://openalex.org/W2102994171","https://openalex.org/W2339398025","https://openalex.org/W2518605307","https://openalex.org/W2967068287","https://openalex.org/W2979375439","https://openalex.org/W3195875706","https://openalex.org/W3209598490","https://openalex.org/W4221151978","https://openalex.org/W4292324174","https://openalex.org/W4378801072","https://openalex.org/W4395070775","https://openalex.org/W4400768189","https://openalex.org/W4403295032","https://openalex.org/W4406748667"],"related_works":[],"abstract_inverted_index":{"Quantitative":[0],"photoacoustic":[1,57,72,122],"tomography":[2],"(qPAT)":[3],"combines":[4],"the":[5,14,56,60,71,108,116,140],"benefits":[6],"of":[7,17,62,144],"optical":[8,18,102,109],"and":[9,43,54,118,125],"ultrasound":[10,25],"imaging.":[11],"It":[12],"reconstructs":[13],"quantitative":[15,141],"distribution":[16],"parameters":[19],"in":[20,47,77,111],"biological":[21],"tissues":[22],"by":[23],"detecting":[24],"signals":[26],"generated":[27],"from":[28],"light":[29,64],"absorption.":[30],"The":[31],"absorption":[32],"coefficient":[33],"($\\mu_{a}$)":[34],"is":[35,39,80],"crucial":[36],"as":[37],"it":[38],"linked":[40],"to":[41,51,114],"physiological":[42],"pathological":[44],"features.":[45],"However,":[46],"qPAT":[48],"imaging,":[49],"due":[50],"wavelength-depend":[52],"scattering":[53],"absorption,":[55],"image":[58,73],"reflects":[59],"product":[61],"unknown":[63],"fluence":[65],"(LF)":[66],"and$\\mu_{a}$,":[67],"rather":[68],"than$\\mu_{a}$directly.":[69],"Reconstructing$\\mu_{a}$from":[70],"without":[74],"knowing":[75],"LF":[76],"deep":[78],"tissue":[79],"an":[81],"ill-posed":[82],"inverse":[83],"problem.":[84],"To":[85],"address":[86],"this":[87],"challenge,":[88],"we":[89],"propose":[90],"a":[91,99],"neural":[92],"representation-based":[93],"method":[94,97,133],"for$\\mu_{a}$reconstruction.":[95],"This":[96],"integrates":[98],"diffusion":[100],"equation-based":[101],"transport":[103],"model,":[104],"taking":[105],"into":[106],"account":[107],"processes":[110],"PAT":[112],"imaging":[113,142],"enhance":[115],"accuracy":[117],"robustness":[119],"of$\\mu_{a}$estimation.":[120],"Simulated":[121],"digital":[123],"brain":[124],"phantom":[126],"data":[127],"experiments":[128],"demonstrate":[129],"that":[130],"our":[131],"proposed":[132],"can":[134],"accurately":[135],"reconstruct":[136],"the$\\mu_{a}$distribution,":[137],"thereby":[138],"enhancing":[139],"capabilities":[143],"qPAT.":[145]},"counts_by_year":[],"updated_date":"2026-07-29T14:22:42.915294","created_date":"2026-05-21T00:00:00"}