{"id":"https://openalex.org/W1989489564","doi":"https://doi.org/10.1364/oe.15.008043","title":"Structural information within regularization matrices improves near infrared diffuse optical tomography","display_name":"Structural information within regularization matrices improves near infrared diffuse optical tomography","publication_year":2007,"publication_date":"2007-01-01","ids":{"openalex":"https://openalex.org/W1989489564","doi":"https://doi.org/10.1364/oe.15.008043","mag":"1989489564","pmid":"https://pubmed.ncbi.nlm.nih.gov/19547132"},"language":"en","primary_location":{"id":"doi:10.1364/oe.15.008043","doi":"https://doi.org/10.1364/oe.15.008043","is_oa":true,"landing_page_url":"https://doi.org/10.1364/oe.15.008043","pdf_url":null,"source":{"id":"https://openalex.org/S178776955","display_name":"Optics Express","issn_l":"1094-4087","issn":["1094-4087"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","doaj","dongbi-b","jufo-1","ki-jl-1","medline","norway-2","oarl","poland-140","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310315679","host_organization_name":"Optica Publishing Group","host_organization_lineage":["https://openalex.org/P4310315679"],"host_organization_lineage_names":["Optica Publishing Group"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Optics Express","raw_type":"journal-article"},"volume":null,"type":"article","indexed_in":["crossref","doaj","pubmed"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://doi.org/10.1364/oe.15.008043","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5068561041","display_name":"Phaneendra Kumar Yalavarthy","orcid":"https://orcid.org/0000-0003-4810-352X","observed_orcids":["https://orcid.org/0000-0003-4810-352X"]},"institutions":[{"id":"https://openalex.org/I107672454","display_name":"Dartmouth College","ror":"https://ror.org/049s0rh22","country_code":"US","type":"education","lineage":["https://openalex.org/I107672454"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Phaneendra K. Yalavarthy","raw_affiliation_strings":["Thayer School of Engineering, Dartmouth College Hanover NH 03755 USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Thayer School of Engineering, Dartmouth College Hanover NH 03755 USA","institution_ids":["https://openalex.org/I107672454"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5089497655","display_name":"Brian W. Pogue","orcid":"https://orcid.org/0000-0002-9887-670X","observed_orcids":["https://orcid.org/0000-0002-9887-670X"]},"institutions":[{"id":"https://openalex.org/I107672454","display_name":"Dartmouth College","ror":"https://ror.org/049s0rh22","country_code":"US","type":"education","lineage":["https://openalex.org/I107672454"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Brian W. Pogue","raw_affiliation_strings":["Thayer School of Engineering, Dartmouth College Hanover NH 03755 USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Thayer School of Engineering, Dartmouth College Hanover NH 03755 USA","institution_ids":["https://openalex.org/I107672454"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5022307495","display_name":"Hamid Dehghani","orcid":"https://orcid.org/0000-0003-4117-0412","observed_orcids":["https://orcid.org/0000-0003-4117-0412"]},"institutions":[{"id":"https://openalex.org/I23923803","display_name":"University of Exeter","ror":"https://ror.org/03yghzc09","country_code":"GB","type":"education","lineage":["https://openalex.org/I23923803"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Hamid Dehghani","raw_affiliation_strings":["School of Physics, University of Exeter, Stocker Road, Exeter EX4?4QL,#N#UK"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Physics, University of Exeter, Stocker Road, Exeter EX4?4QL,#N#UK","institution_ids":["https://openalex.org/I23923803"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5113868546","display_name":"Colin M. Carpenter","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I107672454","display_name":"Dartmouth College","ror":"https://ror.org/049s0rh22","country_code":"US","type":"education","lineage":["https://openalex.org/I107672454"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Colin M. Carpenter","raw_affiliation_strings":["Thayer School of Engineering, Dartmouth College Hanover NH 03755 USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Thayer School of Engineering, Dartmouth College Hanover NH 03755 USA","institution_ids":["https://openalex.org/I107672454"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5029267193","display_name":"Shudong Jiang","orcid":"https://orcid.org/0000-0001-7396-7886","observed_orcids":["https://orcid.org/0000-0001-7396-7886"]},"institutions":[{"id":"https://openalex.org/I107672454","display_name":"Dartmouth College","ror":"https://ror.org/049s0rh22","country_code":"US","type":"education","lineage":["https://openalex.org/I107672454"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Shudong Jiang","raw_affiliation_strings":["Thayer School of Engineering, Dartmouth College Hanover NH 03755 USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Thayer School of Engineering, Dartmouth College Hanover NH 03755 USA","institution_ids":["https://openalex.org/I107672454"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5016359425","display_name":"Keith D. Paulsen","orcid":"https://orcid.org/0000-0002-6692-3196","observed_orcids":["https://orcid.org/0000-0002-6692-3196"]},"institutions":[{"id":"https://openalex.org/I107672454","display_name":"Dartmouth College","ror":"https://ror.org/049s0rh22","country_code":"US","type":"education","lineage":["https://openalex.org/I107672454"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Keith D. Paulsen","raw_affiliation_strings":["Thayer School of Engineering, Dartmouth College Hanover NH 03755 USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Thayer School of Engineering, Dartmouth College Hanover NH 03755 USA","institution_ids":["https://openalex.org/I107672454"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":{"value":2270,"currency":"USD","value_usd":2270},"apc_paid":{"value":2270,"currency":"USD","value_usd":2270},"fwci":8.2321,"has_fulltext":false,"cited_by_count":169,"citation_normalized_percentile":{"value":0.9789678,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":90,"max":100},"biblio":{"volume":"15","issue":"13","first_page":"8043","last_page":"8043"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10977","display_name":"Optical Imaging and Spectroscopy Techniques","score":0.9994999766349792,"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/T10977","display_name":"Optical Imaging and Spectroscopy Techniques","score":0.9994999766349792,"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/T12994","display_name":"Infrared Thermography in Medicine","score":9.999999747378752e-05,"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/T11739","display_name":"Microwave Imaging and Scattering Analysis","score":9.999999747378752e-05,"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/regularization","display_name":"regularization","score":0.6660000085830688},{"id":"https://openalex.org/keywords/structural-priors","display_name":"structural priors","score":0.8640000224113464},{"id":"https://openalex.org/keywords/spatial-priors","display_name":"spatial priors","score":0.8769999742507935},{"id":"https://openalex.org/keywords/laplacian-regularization","display_name":"Laplacian regularization","score":0.8600000143051147},{"id":"https://openalex.org/keywords/breast-imaging","display_name":"breast imaging","score":0.5720000267028809},{"id":"https://openalex.org/keywords/ill-posed-inverse-problems","display_name":"ill-posed inverse problems","score":0.8019999861717224},{"id":"https://openalex.org/keywords/image-reconstruction","display_name":"image reconstruction","score":0.6669999957084656}],"concepts":[{"id":"https://openalex.org/C177769412","wikidata":"https://www.wikidata.org/wiki/Q278090","display_name":"Prior probability","level":3,"score":0.8261120319366455},{"id":"https://openalex.org/C145417883","wikidata":"https://www.wikidata.org/wiki/Q5275421","display_name":"Diffuse optical imaging","level":3,"score":0.5908818244934082},{"id":"https://openalex.org/C104293457","wikidata":"https://www.wikidata.org/wiki/Q28324852","display_name":"Imaging phantom","level":2,"score":0.5853583216667175},{"id":"https://openalex.org/C2776135515","wikidata":"https://www.wikidata.org/wiki/Q17143721","display_name":"Regularization (linguistics)","level":2,"score":0.5412542223930359},{"id":"https://openalex.org/C27592594","wikidata":"https://www.wikidata.org/wiki/Q865821","display_name":"Helmholtz free energy","level":2,"score":0.5022692680358887},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.48258817195892334},{"id":"https://openalex.org/C141379421","wikidata":"https://www.wikidata.org/wiki/Q6094427","display_name":"Iterative reconstruction","level":2,"score":0.46951669454574585},{"id":"https://openalex.org/C135252773","wikidata":"https://www.wikidata.org/wiki/Q1567213","display_name":"Inverse problem","level":2,"score":0.43680012226104736},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.41742825508117676},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.41196173429489136},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.35802024602890015},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.3090895116329193},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.25992509722709656},{"id":"https://openalex.org/C107673813","wikidata":"https://www.wikidata.org/wiki/Q812534","display_name":"Bayesian probability","level":2,"score":0.21496668457984924},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.16689234972000122},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.1364/oe.15.008043","doi":"https://doi.org/10.1364/oe.15.008043","is_oa":true,"landing_page_url":"https://doi.org/10.1364/oe.15.008043","pdf_url":null,"source":{"id":"https://openalex.org/S178776955","display_name":"Optics Express","issn_l":"1094-4087","issn":["1094-4087"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","doaj","dongbi-b","jufo-1","ki-jl-1","medline","norway-2","oarl","poland-140","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310315679","host_organization_name":"Optica Publishing Group","host_organization_lineage":["https://openalex.org/P4310315679"],"host_organization_lineage_names":["Optica Publishing Group"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Optics Express","raw_type":"journal-article"},{"id":"pmid:19547132","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/19547132","pdf_url":null,"source":{"id":"https://openalex.org/S4306525036","display_name":"PubMed","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Optics express","raw_type":"Journal Article"},{"id":"pmh:oai:pure.atira.dk:openaire_cris_publications/77ad1354-8e26-4648-abc6-0bdbfd6afa95","doi":null,"is_oa":false,"landing_page_url":"https://research.birmingham.ac.uk/en/publications/77ad1354-8e26-4648-abc6-0bdbfd6afa95","pdf_url":null,"source":{"id":"https://openalex.org/S4306402634","display_name":"University of Birmingham Research Portal (University of Birmingham)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I79619799","host_organization_name":"University of Birmingham","host_organization_lineage":["https://openalex.org/I79619799"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Yalavarthy, P K, Pogue, B W, Dehghani, H, Carpenter, C M, Jiang, S & Paulsen, K D 2007, 'Structural information within regularization matrices improves near infrared diffuse optical tomography', Optics Express, vol. 15, no. 13, pp. 8043-58.","raw_type":"info:eu-repo/semantics/article"}],"best_oa_location":{"id":"doi:10.1364/oe.15.008043","doi":"https://doi.org/10.1364/oe.15.008043","is_oa":true,"landing_page_url":"https://doi.org/10.1364/oe.15.008043","pdf_url":null,"source":{"id":"https://openalex.org/S178776955","display_name":"Optics Express","issn_l":"1094-4087","issn":["1094-4087"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","doaj","dongbi-b","jufo-1","ki-jl-1","medline","norway-2","oarl","poland-140","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310315679","host_organization_name":"Optica Publishing Group","host_organization_lineage":["https://openalex.org/P4310315679"],"host_organization_lineage_names":["Optica Publishing Group"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Optics Express","raw_type":"journal-article"},"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320306078","display_name":"U.S. Department of Defense","ror":"https://ror.org/0447fe631"},{"id":"https://openalex.org/F4320337351","display_name":"National Cancer Institute","ror":"https://ror.org/040gcmg81"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":33,"referenced_works":["https://openalex.org/W1965734626","https://openalex.org/W1974663943","https://openalex.org/W1980860669","https://openalex.org/W1997006057","https://openalex.org/W1997227198","https://openalex.org/W1998901430","https://openalex.org/W2016052416","https://openalex.org/W2017054309","https://openalex.org/W2017712289","https://openalex.org/W2018175025","https://openalex.org/W2024395498","https://openalex.org/W2030766736","https://openalex.org/W2033106066","https://openalex.org/W2037453651","https://openalex.org/W2040568034","https://openalex.org/W2040626002","https://openalex.org/W2055667726","https://openalex.org/W2056770419","https://openalex.org/W2061911430","https://openalex.org/W2063895512","https://openalex.org/W2063985670","https://openalex.org/W2066044639","https://openalex.org/W2071293364","https://openalex.org/W2083521629","https://openalex.org/W2087070363","https://openalex.org/W2112787182","https://openalex.org/W2118569928","https://openalex.org/W2119165350","https://openalex.org/W2126807619","https://openalex.org/W2129895017","https://openalex.org/W2144636090","https://openalex.org/W2151124787","https://openalex.org/W2161169693"],"related_works":["https://openalex.org/W2068963296","https://openalex.org/W2055667726","https://openalex.org/W1986121770","https://openalex.org/W2485405812","https://openalex.org/W2133113829","https://openalex.org/W2126807619","https://openalex.org/W4285203315","https://openalex.org/W2521218985","https://openalex.org/W4253443778","https://openalex.org/W6995768520"],"abstract_inverted_index":{"Near-Infrared":[0],"(NIR)":[1],"tomographic":[2],"image":[3],"reconstruction":[4,86],"is":[5,36],"a":[6,57,76],"non-linear,":[7],"ill-posed":[8],"and":[9,12,54,59,65],"ill-conditioned":[10],"problem,":[11],"so":[13],"in":[14,95],"this":[15],"study,":[16],"different":[17],"ways":[18],"of":[19,102],"penalizing":[20],"the":[21,85,96,100],"objective":[22],"function":[23],"with":[24,64,111],"structural":[25,34],"information":[26],"were":[27],"investigated.":[28],"A":[29],"simple":[30,39],"framework":[31],"to":[32,108],"incorporate":[33],"priors":[35,83],"presented,":[37],"using":[38],"weight":[40],"matrices":[41],"that":[42],"have":[43],"either":[44],"Laplacian":[45],"or":[46],"Helmholtz-type":[47,70],"structures.":[48],"Using":[49],"both":[50],"MRI-derived":[51],"breast":[52],"geometry":[53],"phantom":[55],"data,":[56],"systematic":[58],"quantitative":[60],"comparison":[61],"was":[62],"performed":[63],"without":[66],"spatial":[67,82,113],"priors.":[68,114],"The":[69],"structure":[71],"can":[72],"be":[73],"seen":[74],"as":[75],"more":[77],"generalized":[78],"approach":[79],"for":[80],"incorporating":[81],"into":[84],"scheme.":[87],"Moreover,":[88],"parameter":[89],"reduction":[90],"(i.e.":[91],"hard":[92],"prior":[93],"information)":[94],"imaging":[97],"field":[98],"through":[99],"enforcement":[101],"spatially":[103],"explicit":[104],"regions":[105],"may":[106],"lead":[107],"erroneous":[109],"results":[110],"imperfect":[112]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":4},{"year":2023,"cited_by_count":4},{"year":2022,"cited_by_count":7},{"year":2021,"cited_by_count":4},{"year":2020,"cited_by_count":6},{"year":2019,"cited_by_count":6},{"year":2018,"cited_by_count":7},{"year":2017,"cited_by_count":9},{"year":2016,"cited_by_count":19},{"year":2015,"cited_by_count":9},{"year":2014,"cited_by_count":19},{"year":2013,"cited_by_count":12},{"year":2012,"cited_by_count":16}],"updated_date":"2026-10-12T09:40:04.860316","created_date":"2016-06-24T00:00:00"}