{"id":"https://openalex.org/W4214948009","doi":"https://doi.org/10.1109/ieeeconf53345.2021.9723363","title":"Instabilities in Conventional Multi-Coil MRI Reconstruction with Small Adversarial Perturbations","display_name":"Instabilities in Conventional Multi-Coil MRI Reconstruction with Small Adversarial Perturbations","publication_year":2021,"publication_date":"2021-10-31","ids":{"openalex":"https://openalex.org/W4214948009","doi":"https://doi.org/10.1109/ieeeconf53345.2021.9723363"},"language":"en","primary_location":{"id":"doi:10.1109/ieeeconf53345.2021.9723363","is_oa":false,"landing_page_url":"https://doi.org/10.1109/ieeeconf53345.2021.9723363","pdf_url":null,"source":{"id":"https://openalex.org/S4363607877","display_name":"2021 55th Asilomar Conference on Signals, Systems, and Computers","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 55th Asilomar Conference on Signals, Systems, and Computers","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/A5100610540","display_name":"Chi Zhang","orcid":"https://orcid.org/0000-0002-4899-2745"},"institutions":[{"id":"https://openalex.org/I130238516","display_name":"University of Minnesota","ror":"https://ror.org/017zqws13","country_code":"US","type":"education","lineage":["https://openalex.org/I130238516"]},{"id":"https://openalex.org/I2800403580","display_name":"University of Minnesota System","ror":"https://ror.org/03grvy078","country_code":"US","type":"education","lineage":["https://openalex.org/I2800403580"]},{"id":"https://openalex.org/I4210158702","display_name":"Resonance Research (United States)","ror":"https://ror.org/05t871q54","country_code":"US","type":"company","lineage":["https://openalex.org/I4210158702"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Chi Zhang","raw_affiliation_strings":["University of Minnesota,Department of Electrical and Computer Engineering,Minneapolis,MN","Center for Magnetic Resonance Research, University of Minnesota, Minneapolis, MN","Department of Electrical and Computer Engineering, University of Minnesota, Minneapolis, MN"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Minnesota,Department of Electrical and Computer Engineering,Minneapolis,MN","institution_ids":["https://openalex.org/I130238516","https://openalex.org/I2800403580"]},{"raw_affiliation_string":"Center for Magnetic Resonance Research, University of Minnesota, Minneapolis, MN","institution_ids":["https://openalex.org/I130238516","https://openalex.org/I4210158702"]},{"raw_affiliation_string":"Department of Electrical and Computer Engineering, University of Minnesota, Minneapolis, MN","institution_ids":["https://openalex.org/I130238516"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5039239689","display_name":"Jinghan Jia","orcid":null},"institutions":[{"id":"https://openalex.org/I33213144","display_name":"University of Florida","ror":"https://ror.org/02y3ad647","country_code":"US","type":"education","lineage":["https://openalex.org/I33213144"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Jinghan Jia","raw_affiliation_strings":["University of Florida,Gainesville,FL","University of Florida, Gainesville, FL"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Florida,Gainesville,FL","institution_ids":["https://openalex.org/I33213144"]},{"raw_affiliation_string":"University of Florida, Gainesville, FL","institution_ids":["https://openalex.org/I33213144"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5031984988","display_name":"Burhaneddin Yaman","orcid":"https://orcid.org/0000-0003-0791-5900"},"institutions":[{"id":"https://openalex.org/I130238516","display_name":"University of Minnesota","ror":"https://ror.org/017zqws13","country_code":"US","type":"education","lineage":["https://openalex.org/I130238516"]},{"id":"https://openalex.org/I2800403580","display_name":"University of Minnesota System","ror":"https://ror.org/03grvy078","country_code":"US","type":"education","lineage":["https://openalex.org/I2800403580"]},{"id":"https://openalex.org/I4210158702","display_name":"Resonance Research (United States)","ror":"https://ror.org/05t871q54","country_code":"US","type":"company","lineage":["https://openalex.org/I4210158702"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Burhaneddin Yaman","raw_affiliation_strings":["University of Minnesota,Department of Electrical and Computer Engineering,Minneapolis,MN","Department of Electrical and Computer Engineering, University of Minnesota, Minneapolis, MN","Center for Magnetic Resonance Research, University of Minnesota, Minneapolis, MN"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Minnesota,Department of Electrical and Computer Engineering,Minneapolis,MN","institution_ids":["https://openalex.org/I130238516","https://openalex.org/I2800403580"]},{"raw_affiliation_string":"Department of Electrical and Computer Engineering, University of Minnesota, Minneapolis, MN","institution_ids":["https://openalex.org/I130238516"]},{"raw_affiliation_string":"Center for Magnetic Resonance Research, University of Minnesota, Minneapolis, MN","institution_ids":["https://openalex.org/I130238516","https://openalex.org/I4210158702"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5070460781","display_name":"Steen Moeller","orcid":"https://orcid.org/0000-0003-1698-7260"},"institutions":[{"id":"https://openalex.org/I130238516","display_name":"University of Minnesota","ror":"https://ror.org/017zqws13","country_code":"US","type":"education","lineage":["https://openalex.org/I130238516"]},{"id":"https://openalex.org/I4210158702","display_name":"Resonance Research (United States)","ror":"https://ror.org/05t871q54","country_code":"US","type":"company","lineage":["https://openalex.org/I4210158702"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Steen Moeller","raw_affiliation_strings":["University of Minnesota,Center for Magnetic Resonance Research,Minneapolis,MN","Center for Magnetic Resonance Research, University of Minnesota, Minneapolis, MN"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Minnesota,Center for Magnetic Resonance Research,Minneapolis,MN","institution_ids":["https://openalex.org/I4210158702"]},{"raw_affiliation_string":"Center for Magnetic Resonance Research, University of Minnesota, Minneapolis, MN","institution_ids":["https://openalex.org/I130238516","https://openalex.org/I4210158702"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100321843","display_name":"Sijia Liu","orcid":"https://orcid.org/0000-0003-2817-6991"},"institutions":[{"id":"https://openalex.org/I1341412227","display_name":"IBM (United States)","ror":"https://ror.org/05hh8d621","country_code":"US","type":"company","lineage":["https://openalex.org/I1341412227"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Sijia Liu","raw_affiliation_strings":["IBM Research,MIT-IBM Watson AI Lab,Cambridge,MA","MIT-IBM Watson AI Lab, IBM Research, Cambridge, MA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"IBM Research,MIT-IBM Watson AI Lab,Cambridge,MA","institution_ids":["https://openalex.org/I1341412227"]},{"raw_affiliation_string":"MIT-IBM Watson AI Lab, IBM Research, Cambridge, MA","institution_ids":["https://openalex.org/I1341412227"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100633783","display_name":"Mingyi Hong","orcid":"https://orcid.org/0000-0003-1263-9365"},"institutions":[{"id":"https://openalex.org/I130238516","display_name":"University of Minnesota","ror":"https://ror.org/017zqws13","country_code":"US","type":"education","lineage":["https://openalex.org/I130238516"]},{"id":"https://openalex.org/I2800403580","display_name":"University of Minnesota System","ror":"https://ror.org/03grvy078","country_code":"US","type":"education","lineage":["https://openalex.org/I2800403580"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Mingyi Hong","raw_affiliation_strings":["University of Minnesota,Department of Electrical and Computer Engineering,Minneapolis,MN","Department of Electrical and Computer Engineering, University of Minnesota, Minneapolis, MN"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Minnesota,Department of Electrical and Computer Engineering,Minneapolis,MN","institution_ids":["https://openalex.org/I130238516","https://openalex.org/I2800403580"]},{"raw_affiliation_string":"Department of Electrical and Computer Engineering, University of Minnesota, Minneapolis, MN","institution_ids":["https://openalex.org/I130238516"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5044571053","display_name":"Mehmet Ak\u00e7akaya","orcid":"https://orcid.org/0000-0001-6400-7736"},"institutions":[{"id":"https://openalex.org/I130238516","display_name":"University of Minnesota","ror":"https://ror.org/017zqws13","country_code":"US","type":"education","lineage":["https://openalex.org/I130238516"]},{"id":"https://openalex.org/I2800403580","display_name":"University of Minnesota System","ror":"https://ror.org/03grvy078","country_code":"US","type":"education","lineage":["https://openalex.org/I2800403580"]},{"id":"https://openalex.org/I4210158702","display_name":"Resonance Research (United States)","ror":"https://ror.org/05t871q54","country_code":"US","type":"company","lineage":["https://openalex.org/I4210158702"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Mehmet Akcakaya","raw_affiliation_strings":["University of Minnesota,Department of Electrical and Computer Engineering,Minneapolis,MN","Center for Magnetic Resonance Research, University of Minnesota, Minneapolis, MN","Department of Electrical and Computer Engineering, University of Minnesota, Minneapolis, MN"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Minnesota,Department of Electrical and Computer Engineering,Minneapolis,MN","institution_ids":["https://openalex.org/I130238516","https://openalex.org/I2800403580"]},{"raw_affiliation_string":"Center for Magnetic Resonance Research, University of Minnesota, Minneapolis, MN","institution_ids":["https://openalex.org/I130238516","https://openalex.org/I4210158702"]},{"raw_affiliation_string":"Department of Electrical and Computer Engineering, University of Minnesota, Minneapolis, MN","institution_ids":["https://openalex.org/I130238516"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":5,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":8,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"895","last_page":"899"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10378","display_name":"Advanced MRI Techniques and Applications","score":0.9997000098228455,"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/T10378","display_name":"Advanced MRI Techniques and Applications","score":0.9997000098228455,"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/T10522","display_name":"Medical Imaging Techniques and Applications","score":0.9994000196456909,"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":0.9970999956130981,"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/adversarial-system","display_name":"Adversarial system","score":0.7785769701004028},{"id":"https://openalex.org/keywords/electromagnetic-coil","display_name":"Electromagnetic coil","score":0.6979933977127075},{"id":"https://openalex.org/keywords/consistency","display_name":"Consistency (knowledge bases)","score":0.6145846843719482},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6008719205856323},{"id":"https://openalex.org/keywords/acceleration","display_name":"Acceleration","score":0.5090994238853455},{"id":"https://openalex.org/keywords/iterative-reconstruction","display_name":"Iterative reconstruction","score":0.5087626576423645},{"id":"https://openalex.org/keywords/operator","display_name":"Operator (biology)","score":0.5035681128501892},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.47445210814476013},{"id":"https://openalex.org/keywords/encoding","display_name":"Encoding (memory)","score":0.4683113992214203},{"id":"https://openalex.org/keywords/focus","display_name":"Focus (optics)","score":0.4501306414604187},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.42188766598701477},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.3580540120601654},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.24284213781356812},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.1276184320449829}],"concepts":[{"id":"https://openalex.org/C37736160","wikidata":"https://www.wikidata.org/wiki/Q1801315","display_name":"Adversarial system","level":2,"score":0.7785769701004028},{"id":"https://openalex.org/C30403606","wikidata":"https://www.wikidata.org/wiki/Q2981904","display_name":"Electromagnetic coil","level":2,"score":0.6979933977127075},{"id":"https://openalex.org/C2776436953","wikidata":"https://www.wikidata.org/wiki/Q5163215","display_name":"Consistency (knowledge bases)","level":2,"score":0.6145846843719482},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6008719205856323},{"id":"https://openalex.org/C117896860","wikidata":"https://www.wikidata.org/wiki/Q11376","display_name":"Acceleration","level":2,"score":0.5090994238853455},{"id":"https://openalex.org/C141379421","wikidata":"https://www.wikidata.org/wiki/Q6094427","display_name":"Iterative reconstruction","level":2,"score":0.5087626576423645},{"id":"https://openalex.org/C17020691","wikidata":"https://www.wikidata.org/wiki/Q139677","display_name":"Operator (biology)","level":5,"score":0.5035681128501892},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.47445210814476013},{"id":"https://openalex.org/C125411270","wikidata":"https://www.wikidata.org/wiki/Q18653","display_name":"Encoding (memory)","level":2,"score":0.4683113992214203},{"id":"https://openalex.org/C192209626","wikidata":"https://www.wikidata.org/wiki/Q190909","display_name":"Focus (optics)","level":2,"score":0.4501306414604187},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.42188766598701477},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.3580540120601654},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.24284213781356812},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.1276184320449829},{"id":"https://openalex.org/C55493867","wikidata":"https://www.wikidata.org/wiki/Q7094","display_name":"Biochemistry","level":1,"score":0.0},{"id":"https://openalex.org/C104317684","wikidata":"https://www.wikidata.org/wiki/Q7187","display_name":"Gene","level":2,"score":0.0},{"id":"https://openalex.org/C158448853","wikidata":"https://www.wikidata.org/wiki/Q425218","display_name":"Repressor","level":4,"score":0.0},{"id":"https://openalex.org/C74650414","wikidata":"https://www.wikidata.org/wiki/Q11397","display_name":"Classical mechanics","level":1,"score":0.0},{"id":"https://openalex.org/C86339819","wikidata":"https://www.wikidata.org/wiki/Q407384","display_name":"Transcription factor","level":3,"score":0.0},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.0},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/ieeeconf53345.2021.9723363","is_oa":false,"landing_page_url":"https://doi.org/10.1109/ieeeconf53345.2021.9723363","pdf_url":null,"source":{"id":"https://openalex.org/S4363607877","display_name":"2021 55th Asilomar Conference on Signals, Systems, and Computers","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 55th Asilomar Conference on Signals, Systems, and Computers","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":34,"referenced_works":["https://openalex.org/W1673923490","https://openalex.org/W1899249567","https://openalex.org/W1945616565","https://openalex.org/W2101675075","https://openalex.org/W2111388536","https://openalex.org/W2151354228","https://openalex.org/W2243397390","https://openalex.org/W2604388535","https://openalex.org/W2611467245","https://openalex.org/W2773850766","https://openalex.org/W2778924750","https://openalex.org/W2911290743","https://openalex.org/W2950936580","https://openalex.org/W2963446085","https://openalex.org/W3001554227","https://openalex.org/W3003650457","https://openalex.org/W3039236647","https://openalex.org/W3041018972","https://openalex.org/W3048873301","https://openalex.org/W3100730608","https://openalex.org/W3105636987","https://openalex.org/W3106483347","https://openalex.org/W3106813722","https://openalex.org/W3133902371","https://openalex.org/W3156072047","https://openalex.org/W3157723514","https://openalex.org/W4249760698","https://openalex.org/W4293846201","https://openalex.org/W6637162671","https://openalex.org/W6639736602","https://openalex.org/W6640425456","https://openalex.org/W6713348437","https://openalex.org/W6739868092","https://openalex.org/W6786144823"],"related_works":["https://openalex.org/W2502115930","https://openalex.org/W4246396837","https://openalex.org/W3176240006","https://openalex.org/W3126451824","https://openalex.org/W2482350142","https://openalex.org/W1561927205","https://openalex.org/W3191453585","https://openalex.org/W4297672492","https://openalex.org/W4288019534","https://openalex.org/W4310988119"],"abstract_inverted_index":{"Although":[0],"deep":[1],"learning":[2],"(DL)":[3],"has":[4,27],"recently":[5],"received":[6],"significant":[7],"attention":[8],"in":[9,23,34],"accelerated":[10],"MRI,":[11],"recent":[12],"studies":[13],"suggest":[14,115],"that":[15,70,97,116],"small":[16,55,89,105],"perturbations":[17,57,106],"may":[18],"lead":[19],"to":[20],"large":[21],"instabilities":[22,87],"DL-based":[24],"reconstructions.":[25],"This":[26],"also":[28,84],"highlighted":[29],"concerns":[30],"for":[31,71,93],"their":[32],"utility":[33],"clinical":[35],"settings.":[36],"However,":[37],"these":[38],"works":[39],"focus":[40],"on":[41],"single-coil":[42],"acquisitions,":[43],"which":[44],"are":[45],"not":[46],"practically":[47],"relevant.":[48],"In":[49],"this":[50],"work,":[51],"we":[52],"investigate":[53],"how":[54],"adversarial":[56,90,121],"affect":[58],"multi-coil":[59,72,79],"MRI":[60,73],"reconstruction,":[61,74],"particularly":[62],"using":[63],"conventional":[64,75],"non-DL":[65],"methods.":[66],"Our":[67],"results":[68,114],"indicate":[69],"parallel":[76],"imaging":[77],"and":[78],"compressed":[80],"sensing":[81],"(CS)":[82],"methods":[83],"exhibit":[85],"considerable":[86],"against":[88],"perturbations.":[91],"Moreover,":[92],"physics-guided":[94],"DL":[95],"reconstructions":[96],"utilize":[98],"the":[99,109,124,127],"forward":[100,128],"encoding":[101,129],"operator":[102],"explicitly,":[103],"such":[104],"predominantly":[107],"target":[108],"linear":[110],"data-consistency":[111],"units.":[112],"These":[113],"at":[117],"high":[118],"acceleration":[119],"rates,":[120],"attacks":[122],"exploit":[123],"ill-conditioning":[125],"of":[126],"operator.":[130]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":4},{"year":2021,"cited_by_count":1}],"updated_date":"2026-07-23T08:03:31.855105","created_date":"2025-10-10T00:00:00"}