{"id":"https://openalex.org/W4237116856","doi":"https://doi.org/10.1109/embc46164.2021.9629662","title":"Cortical Surface-Informed Volumetric Spatial Smoothing of fMRI Data via Graph Signal Processing","display_name":"Cortical Surface-Informed Volumetric Spatial Smoothing of fMRI Data via Graph Signal Processing","publication_year":2021,"publication_date":"2021-11-01","ids":{"openalex":"https://openalex.org/W4237116856","doi":"https://doi.org/10.1109/embc46164.2021.9629662","pmid":"https://pubmed.ncbi.nlm.nih.gov/34892064"},"language":"en","primary_location":{"id":"doi:10.1109/embc46164.2021.9629662","is_oa":false,"landing_page_url":"https://doi.org/10.1109/embc46164.2021.9629662","pdf_url":null,"source":{"id":"https://openalex.org/S4363607750","display_name":"2021 43rd Annual International Conference of the IEEE Engineering in Medicine & Biology Society (EMBC)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"conference"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2021 43rd Annual International Conference of the IEEE Engineering in Medicine & Biology Society (EMBC)","raw_type":"proceedings-article"},"type":"conference-paper","indexed_in":["crossref","pubmed"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://www.ncbi.nlm.nih.gov/pmc/articles/8669627","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5001974625","display_name":"Hamid Behjat","orcid":"https://orcid.org/0000-0001-6729-6801"},"institutions":[{"id":"https://openalex.org/I136199984","display_name":"Harvard University","ror":"https://ror.org/03vek6s52","country_code":"US","type":"education","lineage":["https://openalex.org/I136199984"]},{"id":"https://openalex.org/I187531555","display_name":"Lund University","ror":"https://ror.org/012a77v79","country_code":"SE","type":"education","lineage":["https://openalex.org/I187531555"]},{"id":"https://openalex.org/I4210087915","display_name":"Massachusetts General Hospital","ror":"https://ror.org/002pd6e78","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I4210087915","https://openalex.org/I48633490"]},{"id":"https://openalex.org/I4210127055","display_name":"Athinoula A. Martinos Center for Biomedical Imaging","ror":"https://ror.org/032q5ym94","country_code":"US","type":"facility","lineage":["https://openalex.org/I136199984","https://openalex.org/I4210087915","https://openalex.org/I4210127055","https://openalex.org/I48633490","https://openalex.org/I63966007"]}],"countries":["SE","US"],"is_corresponding":false,"raw_author_name":"Hamid Behjat","raw_affiliation_strings":["Harvard Medical School, MA, USA","Lund University, Lund, Sweden","The Martinos Center for Biomedical Imaging, Massachusetts General Hospital, Harvard Medical School, MA, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Harvard Medical School, MA, USA","institution_ids":["https://openalex.org/I136199984"]},{"raw_affiliation_string":"Lund University, Lund, Sweden","institution_ids":["https://openalex.org/I187531555"]},{"raw_affiliation_string":"The Martinos Center for Biomedical Imaging, Massachusetts General Hospital, Harvard Medical School, MA, USA","institution_ids":["https://openalex.org/I136199984","https://openalex.org/I4210087915","https://openalex.org/I4210127055"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5110257712","display_name":"Carl\u2010Fredrik Westin","orcid":null},"institutions":[{"id":"https://openalex.org/I136199984","display_name":"Harvard University","ror":"https://ror.org/03vek6s52","country_code":"US","type":"education","lineage":["https://openalex.org/I136199984"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Carl-Fredrik Westin","raw_affiliation_strings":["Harvard Medical School, MA, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Harvard Medical School, MA, USA","institution_ids":["https://openalex.org/I136199984"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5029485281","display_name":"Iman Aganj","orcid":"https://orcid.org/0000-0002-4673-1293"},"institutions":[{"id":"https://openalex.org/I136199984","display_name":"Harvard University","ror":"https://ror.org/03vek6s52","country_code":"US","type":"education","lineage":["https://openalex.org/I136199984"]},{"id":"https://openalex.org/I4210087915","display_name":"Massachusetts General Hospital","ror":"https://ror.org/002pd6e78","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I4210087915","https://openalex.org/I48633490"]},{"id":"https://openalex.org/I4210127055","display_name":"Athinoula A. Martinos Center for Biomedical Imaging","ror":"https://ror.org/032q5ym94","country_code":"US","type":"facility","lineage":["https://openalex.org/I136199984","https://openalex.org/I4210087915","https://openalex.org/I4210127055","https://openalex.org/I48633490","https://openalex.org/I63966007"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Iman Aganj","raw_affiliation_strings":["Martinos Center for Biomedical Imaging, Massachusetts General Hospital, Harvard Medical School, MA, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Martinos Center for Biomedical Imaging, Massachusetts General Hospital, Harvard Medical School, MA, USA","institution_ids":["https://openalex.org/I136199984","https://openalex.org/I4210087915","https://openalex.org/I4210127055"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":4,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.9352,"has_fulltext":false,"cited_by_count":3,"citation_normalized_percentile":{"value":0.73958137,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":96},"biblio":{"volume":"25","issue":null,"first_page":"3804","last_page":"3808"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10241","display_name":"Functional Brain Connectivity Studies","score":1.0,"subfield":{"id":"https://openalex.org/subfields/2805","display_name":"Cognitive Neuroscience"},"field":{"id":"https://openalex.org/fields/28","display_name":"Neuroscience"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},"topics":[{"id":"https://openalex.org/T10241","display_name":"Functional Brain Connectivity Studies","score":1.0,"subfield":{"id":"https://openalex.org/subfields/2805","display_name":"Cognitive Neuroscience"},"field":{"id":"https://openalex.org/fields/28","display_name":"Neuroscience"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life 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/T11273","display_name":"Advanced Graph Neural Networks","score":0.9976000189781189,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/smoothing","display_name":"Smoothing","score":0.8253000974655151},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7243707180023193},{"id":"https://openalex.org/keywords/preprocessor","display_name":"Preprocessor","score":0.6089645028114319},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.589790403842926},{"id":"https://openalex.org/keywords/human-connectome-project","display_name":"Human Connectome Project","score":0.5166995525360107},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.4957943856716156},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.46071702241897583},{"id":"https://openalex.org/keywords/graph","display_name":"Graph","score":0.4532897472381592},{"id":"https://openalex.org/keywords/signal-processing","display_name":"Signal processing","score":0.42130279541015625},{"id":"https://openalex.org/keywords/functional-connectivity","display_name":"Functional connectivity","score":0.23275110125541687},{"id":"https://openalex.org/keywords/neuroscience","display_name":"Neuroscience","score":0.17051687836647034},{"id":"https://openalex.org/keywords/digital-signal-processing","display_name":"Digital signal processing","score":0.15664157271385193},{"id":"https://openalex.org/keywords/theoretical-computer-science","display_name":"Theoretical computer science","score":0.08791854977607727},{"id":"https://openalex.org/keywords/psychology","display_name":"Psychology","score":0.07717680931091309}],"concepts":[{"id":"https://openalex.org/C3770464","wikidata":"https://www.wikidata.org/wiki/Q775963","display_name":"Smoothing","level":2,"score":0.8253000974655151},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7243707180023193},{"id":"https://openalex.org/C34736171","wikidata":"https://www.wikidata.org/wiki/Q918333","display_name":"Preprocessor","level":2,"score":0.6089645028114319},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.589790403842926},{"id":"https://openalex.org/C97820695","wikidata":"https://www.wikidata.org/wiki/Q387749","display_name":"Human Connectome Project","level":3,"score":0.5166995525360107},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.4957943856716156},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.46071702241897583},{"id":"https://openalex.org/C132525143","wikidata":"https://www.wikidata.org/wiki/Q141488","display_name":"Graph","level":2,"score":0.4532897472381592},{"id":"https://openalex.org/C104267543","wikidata":"https://www.wikidata.org/wiki/Q208163","display_name":"Signal processing","level":3,"score":0.42130279541015625},{"id":"https://openalex.org/C3018011982","wikidata":"https://www.wikidata.org/wiki/Q7316120","display_name":"Functional connectivity","level":2,"score":0.23275110125541687},{"id":"https://openalex.org/C169760540","wikidata":"https://www.wikidata.org/wiki/Q207011","display_name":"Neuroscience","level":1,"score":0.17051687836647034},{"id":"https://openalex.org/C84462506","wikidata":"https://www.wikidata.org/wiki/Q173142","display_name":"Digital signal processing","level":2,"score":0.15664157271385193},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.08791854977607727},{"id":"https://openalex.org/C15744967","wikidata":"https://www.wikidata.org/wiki/Q9418","display_name":"Psychology","level":0,"score":0.07717680931091309},{"id":"https://openalex.org/C9390403","wikidata":"https://www.wikidata.org/wiki/Q3966","display_name":"Computer hardware","level":1,"score":0.0}],"mesh":[{"descriptor_ui":"D001921","descriptor_name":"Brain","qualifier_ui":"Q000000981","qualifier_name":"diagnostic imaging","is_major_topic":false},{"descriptor_ui":"D001921","descriptor_name":"Brain","qualifier_ui":"Q000000981","qualifier_name":"diagnostic imaging","is_major_topic":false},{"descriptor_ui":"D001921","descriptor_name":"Brain","qualifier_ui":"Q000000981","qualifier_name":"diagnostic imaging","is_major_topic":false},{"descriptor_ui":"D001931","descriptor_name":"Brain Mapping","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D001931","descriptor_name":"Brain Mapping","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D001931","descriptor_name":"Brain Mapping","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D007091","descriptor_name":"Image Processing, Computer-Assisted","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D007091","descriptor_name":"Image Processing, Computer-Assisted","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D007091","descriptor_name":"Image Processing, Computer-Assisted","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D008279","descriptor_name":"Magnetic Resonance Imaging","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D008279","descriptor_name":"Magnetic Resonance Imaging","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D008279","descriptor_name":"Magnetic Resonance Imaging","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D012815","descriptor_name":"Signal Processing, Computer-Assisted","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D012815","descriptor_name":"Signal Processing, Computer-Assisted","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D012815","descriptor_name":"Signal Processing, Computer-Assisted","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false}],"locations_count":3,"locations":[{"id":"doi:10.1109/embc46164.2021.9629662","is_oa":false,"landing_page_url":"https://doi.org/10.1109/embc46164.2021.9629662","pdf_url":null,"source":{"id":"https://openalex.org/S4363607750","display_name":"2021 43rd Annual International Conference of the IEEE Engineering in Medicine & Biology Society (EMBC)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"conference"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2021 43rd Annual International Conference of the IEEE Engineering in Medicine & Biology Society (EMBC)","raw_type":"proceedings-article"},{"id":"pmid:34892064","is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/34892064","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,"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":"Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual International Conference","raw_type":null},{"id":"pmh:oai:pubmedcentral.nih.gov:8669627","is_oa":true,"landing_page_url":"https://www.ncbi.nlm.nih.gov/pmc/articles/8669627","pdf_url":null,"source":{"id":"https://openalex.org/S2764455111","display_name":"PubMed Central","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"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":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Annu Int Conf IEEE Eng Med Biol Soc","raw_type":"Text"}],"best_oa_location":{"id":"pmh:oai:pubmedcentral.nih.gov:8669627","is_oa":true,"landing_page_url":"https://www.ncbi.nlm.nih.gov/pmc/articles/8669627","pdf_url":null,"source":{"id":"https://openalex.org/S2764455111","display_name":"PubMed Central","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"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":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Annu Int Conf IEEE Eng Med Biol Soc","raw_type":"Text"},"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G1501012673","display_name":null,"funder_award_id":"RF1AG068261","funder_id":"https://openalex.org/F4320337337","funder_display_name":"National Institute on Aging"},{"id":"https://openalex.org/G2740593917","display_name":null,"funder_award_id":"K01DK101631","funder_id":"https://openalex.org/F4320337357","funder_display_name":"National Institute of Diabetes and Digestive and Kidney Diseases"},{"id":"https://openalex.org/G685718290","display_name":null,"funder_award_id":"R01 MH074794","funder_id":"https://openalex.org/F4320337346","funder_display_name":"National Institute of Mental Health"},{"id":"https://openalex.org/G854044502","display_name":null,"funder_award_id":"P41 EB015902","funder_id":"https://openalex.org/F4320337363","funder_display_name":"National Institute of Biomedical Imaging and Bioengineering"},{"id":"https://openalex.org/G909126376","display_name":null,"funder_award_id":"R56AG068261","funder_id":"https://openalex.org/F4320337337","funder_display_name":"National Institute on Aging"}],"funders":[{"id":"https://openalex.org/F4320337337","display_name":"National Institute on Aging","ror":"https://ror.org/049v75w11"},{"id":"https://openalex.org/F4320337346","display_name":"National Institute of Mental Health","ror":"https://ror.org/04xeg9z08"},{"id":"https://openalex.org/F4320337357","display_name":"National Institute of Diabetes and Digestive and Kidney Diseases","ror":"https://ror.org/00adh9b73"},{"id":"https://openalex.org/F4320337363","display_name":"National Institute of Biomedical Imaging and Bioengineering","ror":"https://ror.org/00372qc85"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":33,"referenced_works":["https://openalex.org/W1764144999","https://openalex.org/W1968745053","https://openalex.org/W1983208069","https://openalex.org/W2016423476","https://openalex.org/W2024729467","https://openalex.org/W2054121225","https://openalex.org/W2064563223","https://openalex.org/W2088774650","https://openalex.org/W2092062478","https://openalex.org/W2099024528","https://openalex.org/W2099046646","https://openalex.org/W2101491865","https://openalex.org/W2115596980","https://openalex.org/W2116016979","https://openalex.org/W2141436937","https://openalex.org/W2144929975","https://openalex.org/W2150448849","https://openalex.org/W2158787690","https://openalex.org/W2163274894","https://openalex.org/W2796431263","https://openalex.org/W2894009023","https://openalex.org/W2902284214","https://openalex.org/W2912544111","https://openalex.org/W2935653709","https://openalex.org/W2974880216","https://openalex.org/W2980087144","https://openalex.org/W2998957818","https://openalex.org/W3027425669","https://openalex.org/W3161380391","https://openalex.org/W3163496149","https://openalex.org/W4241074797","https://openalex.org/W6654716747","https://openalex.org/W6681504682"],"related_works":["https://openalex.org/W2383807498","https://openalex.org/W1978572805","https://openalex.org/W1989941125","https://openalex.org/W1997992934","https://openalex.org/W1987225439","https://openalex.org/W2149980199","https://openalex.org/W2125114371","https://openalex.org/W2019977573","https://openalex.org/W3125766170","https://openalex.org/W4226363941"],"abstract_inverted_index":{"Conventionally,":[0],"as":[1,105],"a":[2,89],"preprocessing":[3],"step,":[4],"functional":[5,24],"MRI":[6],"(fMRI)":[7],"data":[8,73],"are":[9,33,40],"spatially":[10],"smoothed":[11,34],"before":[12],"further":[13],"analysis,":[14],"be":[15],"it":[16],"for":[17],"activation":[18],"mapping":[19],"on":[20,27,74],"task-based":[21],"fMRI":[22,29],"or":[23],"connectivity":[25],"analysis":[26],"resting-state":[28],"data.":[30],"When":[31],"images":[32],"volumetrically,":[35],"however,":[36],"isotropic":[37],"Gaussian":[38],"kernels":[39],"generally":[41],"used,":[42],"which":[43],"do":[44],"not":[45],"adapt":[46],"to":[47,65,75,111],"the":[48,58,62,66,76,98,108,112,120],"underlying":[49,67,113],"brain":[50],"structure.":[51],"Alternatively,":[52],"cortical":[53,102],"surface":[54],"smoothing":[55,63,92],"procedures":[56],"provide":[57],"benefit":[59],"of":[60,97],"adapting":[61],"process":[64,110],"morphology,":[68],"but":[69],"require":[70],"projecting":[71],"volumetric":[72,90],"surface.":[77],"In":[78],"this":[79],"paper,":[80],"leveraging":[81],"principles":[82],"from":[83],"graph":[84],"signal":[85],"processing,":[86],"we":[87],"propose":[88],"spatial":[91],"method":[93],"that":[94],"takes":[95],"advantage":[96],"gray-white":[99],"and":[100,104],"pial":[101],"surfaces,":[103],"such,":[106],"adapts":[107],"filtering":[109],"morphological":[114],"details":[115],"at":[116],"each":[117],"point":[118],"in":[119],"cortex.":[121]},"counts_by_year":[{"year":2023,"cited_by_count":2},{"year":2021,"cited_by_count":1}],"updated_date":"2026-08-01T09:00:35.917206","created_date":"2025-10-10T00:00:00"}