{"id":"https://openalex.org/W7212420363","doi":"https://doi.org/10.64898/2026.09.10.750681","title":"Contrast-Free Microvascular and Functional Brain Imaging by Sparse Deconvolution of Ultrafast Power Doppler","display_name":"Contrast-Free Microvascular and Functional Brain Imaging by Sparse Deconvolution of Ultrafast Power Doppler","publication_year":2026,"publication_date":"2026-09-13","ids":{"openalex":"https://openalex.org/W7212420363","doi":"https://doi.org/10.64898/2026.09.10.750681"},"language":"en","primary_location":{"id":"doi:10.64898/2026.09.10.750681","doi":"https://doi.org/10.64898/2026.09.10.750681","is_oa":true,"landing_page_url":"https://doi.org/10.64898/2026.09.10.750681","pdf_url":"https://www.biorxiv.org/content/biorxiv/early/2026/09/13/2026.09.10.750681.full.pdf","source":{"id":"https://openalex.org/S4306402567","display_name":"bioRxiv (Cold Spring Harbor Laboratory)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I2750212522","host_organization_name":"Cold Spring Harbor Laboratory","host_organization_lineage":["https://openalex.org/I2750212522"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"acceptedVersion","is_accepted":true,"is_published":false,"raw_source_name":"bioRxiv","raw_type":"posted-content"},"volume":null,"type":"preprint","is_traditional":true,"indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://www.biorxiv.org/content/biorxiv/early/2026/09/13/2026.09.10.750681.full.pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5100326078","display_name":"Ge Zhang","orcid":"https://orcid.org/0009-0008-1617-5602","observed_orcids":["https://orcid.org/0009-0008-1617-5602","https://orcid.org/0000-0003-3411-6944"]},"institutions":[{"id":"https://openalex.org/I1294671590","display_name":"Centre National de la Recherche Scientifique","ror":"https://ror.org/02feahw73","country_code":"FR","type":"government","lineage":["https://openalex.org/I1294671590"]},{"id":"https://openalex.org/I154526488","display_name":"Inserm","ror":"https://ror.org/02vjkv261","country_code":"FR","type":"government","lineage":["https://openalex.org/I154526488"]},{"id":"https://openalex.org/I2746051580","display_name":"Universit\u00e9 Paris Sciences et Lettres","ror":"https://ror.org/013cjyk83","country_code":"FR","type":"education","lineage":["https://openalex.org/I2746051580"]},{"id":"https://openalex.org/I4387153500","display_name":"Physique pour la m\u00e9decine Paris","ror":"https://ror.org/03y7m8990","country_code":"FR","type":"facility","lineage":["https://openalex.org/I1294671590","https://openalex.org/I154526488","https://openalex.org/I190752583","https://openalex.org/I2746051580","https://openalex.org/I4387153500","https://openalex.org/I98910050"]},{"id":"https://openalex.org/I98910050","display_name":"ESPCI Paris","ror":"https://ror.org/03zx86w41","country_code":"FR","type":"education","lineage":["https://openalex.org/I190752583","https://openalex.org/I2746051580","https://openalex.org/I98910050"]}],"countries":["FR"],"is_corresponding":true,"raw_author_name":"Ge Zhang","raw_affiliation_strings":["Physics for Medicine Paris, INSERM U1273, ESPCI Paris, PSL University, CNRS, Paris, France"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Physics for Medicine Paris, INSERM U1273, ESPCI Paris, PSL University, CNRS, Paris, France","institution_ids":["https://openalex.org/I1294671590","https://openalex.org/I154526488","https://openalex.org/I2746051580","https://openalex.org/I4387153500","https://openalex.org/I98910050"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5044067406","display_name":"Nicolas Zucker","orcid":"https://orcid.org/0009-0005-6332-9094","observed_orcids":["https://orcid.org/0009-0005-6332-9094"]},"institutions":[{"id":"https://openalex.org/I1294671590","display_name":"Centre National de la Recherche Scientifique","ror":"https://ror.org/02feahw73","country_code":"FR","type":"government","lineage":["https://openalex.org/I1294671590"]},{"id":"https://openalex.org/I154526488","display_name":"Inserm","ror":"https://ror.org/02vjkv261","country_code":"FR","type":"government","lineage":["https://openalex.org/I154526488"]},{"id":"https://openalex.org/I2746051580","display_name":"Universit\u00e9 Paris Sciences et Lettres","ror":"https://ror.org/013cjyk83","country_code":"FR","type":"education","lineage":["https://openalex.org/I2746051580"]},{"id":"https://openalex.org/I4387153500","display_name":"Physique pour la m\u00e9decine Paris","ror":"https://ror.org/03y7m8990","country_code":"FR","type":"facility","lineage":["https://openalex.org/I1294671590","https://openalex.org/I154526488","https://openalex.org/I190752583","https://openalex.org/I2746051580","https://openalex.org/I4387153500","https://openalex.org/I98910050"]},{"id":"https://openalex.org/I98910050","display_name":"ESPCI Paris","ror":"https://ror.org/03zx86w41","country_code":"FR","type":"education","lineage":["https://openalex.org/I190752583","https://openalex.org/I2746051580","https://openalex.org/I98910050"]}],"countries":["FR"],"is_corresponding":false,"raw_author_name":"Nicolas Zucker","raw_affiliation_strings":["Physics for Medicine Paris, INSERM U1273, ESPCI Paris, PSL University, CNRS, Paris, France"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Physics for Medicine Paris, INSERM U1273, ESPCI Paris, PSL University, CNRS, Paris, France","institution_ids":["https://openalex.org/I1294671590","https://openalex.org/I154526488","https://openalex.org/I2746051580","https://openalex.org/I4387153500","https://openalex.org/I98910050"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5022993051","display_name":"Thomas Deffieux","orcid":"https://orcid.org/0000-0001-9114-2028","observed_orcids":["https://orcid.org/0000-0001-9114-2028"]},"institutions":[{"id":"https://openalex.org/I1294671590","display_name":"Centre National de la Recherche Scientifique","ror":"https://ror.org/02feahw73","country_code":"FR","type":"government","lineage":["https://openalex.org/I1294671590"]},{"id":"https://openalex.org/I154526488","display_name":"Inserm","ror":"https://ror.org/02vjkv261","country_code":"FR","type":"government","lineage":["https://openalex.org/I154526488"]},{"id":"https://openalex.org/I2746051580","display_name":"Universit\u00e9 Paris Sciences et Lettres","ror":"https://ror.org/013cjyk83","country_code":"FR","type":"education","lineage":["https://openalex.org/I2746051580"]},{"id":"https://openalex.org/I4387153500","display_name":"Physique pour la m\u00e9decine Paris","ror":"https://ror.org/03y7m8990","country_code":"FR","type":"facility","lineage":["https://openalex.org/I1294671590","https://openalex.org/I154526488","https://openalex.org/I190752583","https://openalex.org/I2746051580","https://openalex.org/I4387153500","https://openalex.org/I98910050"]},{"id":"https://openalex.org/I98910050","display_name":"ESPCI Paris","ror":"https://ror.org/03zx86w41","country_code":"FR","type":"education","lineage":["https://openalex.org/I190752583","https://openalex.org/I2746051580","https://openalex.org/I98910050"]}],"countries":["FR"],"is_corresponding":false,"raw_author_name":"Thomas Deffieux","raw_affiliation_strings":["Physics for Medicine Paris, INSERM U1273, ESPCI Paris, PSL University, CNRS, Paris, France"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Physics for Medicine Paris, INSERM U1273, ESPCI Paris, PSL University, CNRS, Paris, France","institution_ids":["https://openalex.org/I1294671590","https://openalex.org/I154526488","https://openalex.org/I2746051580","https://openalex.org/I4387153500","https://openalex.org/I98910050"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5006303586","display_name":"Mathieu Pernot","orcid":"https://orcid.org/0000-0001-6713-4642","observed_orcids":["https://orcid.org/0000-0001-6713-4642"]},"institutions":[{"id":"https://openalex.org/I1294671590","display_name":"Centre National de la Recherche Scientifique","ror":"https://ror.org/02feahw73","country_code":"FR","type":"government","lineage":["https://openalex.org/I1294671590"]},{"id":"https://openalex.org/I154526488","display_name":"Inserm","ror":"https://ror.org/02vjkv261","country_code":"FR","type":"government","lineage":["https://openalex.org/I154526488"]},{"id":"https://openalex.org/I2746051580","display_name":"Universit\u00e9 Paris Sciences et Lettres","ror":"https://ror.org/013cjyk83","country_code":"FR","type":"education","lineage":["https://openalex.org/I2746051580"]},{"id":"https://openalex.org/I4387153500","display_name":"Physique pour la m\u00e9decine Paris","ror":"https://ror.org/03y7m8990","country_code":"FR","type":"facility","lineage":["https://openalex.org/I1294671590","https://openalex.org/I154526488","https://openalex.org/I190752583","https://openalex.org/I2746051580","https://openalex.org/I4387153500","https://openalex.org/I98910050"]},{"id":"https://openalex.org/I98910050","display_name":"ESPCI Paris","ror":"https://ror.org/03zx86w41","country_code":"FR","type":"education","lineage":["https://openalex.org/I190752583","https://openalex.org/I2746051580","https://openalex.org/I98910050"]}],"countries":["FR"],"is_corresponding":false,"raw_author_name":"Mathieu Pernot","raw_affiliation_strings":["Physics for Medicine Paris, INSERM U1273, ESPCI Paris, PSL University, CNRS, Paris, France"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Physics for Medicine Paris, INSERM U1273, ESPCI Paris, PSL University, CNRS, Paris, France","institution_ids":["https://openalex.org/I1294671590","https://openalex.org/I154526488","https://openalex.org/I2746051580","https://openalex.org/I4387153500","https://openalex.org/I98910050"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5047650348","display_name":"Nathalie Ialy-Radio","orcid":"https://orcid.org/0000-0002-1809-3837","observed_orcids":["https://orcid.org/0000-0002-1809-3837"]},"institutions":[{"id":"https://openalex.org/I1294671590","display_name":"Centre National de la Recherche Scientifique","ror":"https://ror.org/02feahw73","country_code":"FR","type":"government","lineage":["https://openalex.org/I1294671590"]},{"id":"https://openalex.org/I154526488","display_name":"Inserm","ror":"https://ror.org/02vjkv261","country_code":"FR","type":"government","lineage":["https://openalex.org/I154526488"]},{"id":"https://openalex.org/I2746051580","display_name":"Universit\u00e9 Paris Sciences et Lettres","ror":"https://ror.org/013cjyk83","country_code":"FR","type":"education","lineage":["https://openalex.org/I2746051580"]},{"id":"https://openalex.org/I4387153500","display_name":"Physique pour la m\u00e9decine Paris","ror":"https://ror.org/03y7m8990","country_code":"FR","type":"facility","lineage":["https://openalex.org/I1294671590","https://openalex.org/I154526488","https://openalex.org/I190752583","https://openalex.org/I2746051580","https://openalex.org/I4387153500","https://openalex.org/I98910050"]},{"id":"https://openalex.org/I98910050","display_name":"ESPCI Paris","ror":"https://ror.org/03zx86w41","country_code":"FR","type":"education","lineage":["https://openalex.org/I190752583","https://openalex.org/I2746051580","https://openalex.org/I98910050"]}],"countries":["FR"],"is_corresponding":false,"raw_author_name":"Nathalie Ialy-Radio","raw_affiliation_strings":["Physics for Medicine Paris, INSERM U1273, ESPCI Paris, PSL University, CNRS, Paris, France"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Physics for Medicine Paris, INSERM U1273, ESPCI Paris, PSL University, CNRS, Paris, France","institution_ids":["https://openalex.org/I1294671590","https://openalex.org/I154526488","https://openalex.org/I2746051580","https://openalex.org/I4387153500","https://openalex.org/I98910050"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5059823264","display_name":"Sophie Pezet","orcid":"https://orcid.org/0000-0002-3305-3315","observed_orcids":["https://orcid.org/0000-0002-3305-3315"]},"institutions":[{"id":"https://openalex.org/I1294671590","display_name":"Centre National de la Recherche Scientifique","ror":"https://ror.org/02feahw73","country_code":"FR","type":"government","lineage":["https://openalex.org/I1294671590"]},{"id":"https://openalex.org/I154526488","display_name":"Inserm","ror":"https://ror.org/02vjkv261","country_code":"FR","type":"government","lineage":["https://openalex.org/I154526488"]},{"id":"https://openalex.org/I2746051580","display_name":"Universit\u00e9 Paris Sciences et Lettres","ror":"https://ror.org/013cjyk83","country_code":"FR","type":"education","lineage":["https://openalex.org/I2746051580"]},{"id":"https://openalex.org/I4387153500","display_name":"Physique pour la m\u00e9decine Paris","ror":"https://ror.org/03y7m8990","country_code":"FR","type":"facility","lineage":["https://openalex.org/I1294671590","https://openalex.org/I154526488","https://openalex.org/I190752583","https://openalex.org/I2746051580","https://openalex.org/I4387153500","https://openalex.org/I98910050"]},{"id":"https://openalex.org/I98910050","display_name":"ESPCI Paris","ror":"https://ror.org/03zx86w41","country_code":"FR","type":"education","lineage":["https://openalex.org/I190752583","https://openalex.org/I2746051580","https://openalex.org/I98910050"]}],"countries":["FR"],"is_corresponding":false,"raw_author_name":"Sophie Pezet","raw_affiliation_strings":["Physics for Medicine Paris, INSERM U1273, ESPCI Paris, PSL University, CNRS, Paris, France"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Physics for Medicine Paris, INSERM U1273, ESPCI Paris, PSL University, CNRS, Paris, France","institution_ids":["https://openalex.org/I1294671590","https://openalex.org/I154526488","https://openalex.org/I2746051580","https://openalex.org/I4387153500","https://openalex.org/I98910050"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5114377199","display_name":"Micka\u00ebl Tanter","orcid":"https://orcid.org/0000-0001-7739-8051","observed_orcids":["https://orcid.org/0000-0001-7739-8051"]},"institutions":[{"id":"https://openalex.org/I1294671590","display_name":"Centre National de la Recherche Scientifique","ror":"https://ror.org/02feahw73","country_code":"FR","type":"government","lineage":["https://openalex.org/I1294671590"]},{"id":"https://openalex.org/I154526488","display_name":"Inserm","ror":"https://ror.org/02vjkv261","country_code":"FR","type":"government","lineage":["https://openalex.org/I154526488"]},{"id":"https://openalex.org/I2746051580","display_name":"Universit\u00e9 Paris Sciences et Lettres","ror":"https://ror.org/013cjyk83","country_code":"FR","type":"education","lineage":["https://openalex.org/I2746051580"]},{"id":"https://openalex.org/I4387153500","display_name":"Physique pour la m\u00e9decine Paris","ror":"https://ror.org/03y7m8990","country_code":"FR","type":"facility","lineage":["https://openalex.org/I1294671590","https://openalex.org/I154526488","https://openalex.org/I190752583","https://openalex.org/I2746051580","https://openalex.org/I4387153500","https://openalex.org/I98910050"]},{"id":"https://openalex.org/I98910050","display_name":"ESPCI Paris","ror":"https://ror.org/03zx86w41","country_code":"FR","type":"education","lineage":["https://openalex.org/I190752583","https://openalex.org/I2746051580","https://openalex.org/I98910050"]}],"countries":["FR"],"is_corresponding":false,"raw_author_name":"Mickael Tanter","raw_affiliation_strings":["Physics for Medicine Paris, INSERM U1273, ESPCI Paris, PSL University, CNRS, Paris, France"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Physics for Medicine Paris, INSERM U1273, ESPCI Paris, PSL University, CNRS, Paris, France","institution_ids":["https://openalex.org/I1294671590","https://openalex.org/I154526488","https://openalex.org/I2746051580","https://openalex.org/I4387153500","https://openalex.org/I98910050"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5100326078"],"corresponding_institution_ids":["https://openalex.org/I1294671590","https://openalex.org/I154526488","https://openalex.org/I2746051580","https://openalex.org/I4387153500","https://openalex.org/I98910050"],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":true,"cited_by_count":0,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12015","display_name":"Photoacoustic and Ultrasonic Imaging","score":0.6176999807357788,"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":0.6176999807357788,"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/T10727","display_name":"Ultrasound Imaging and Elastography","score":0.2709999978542328,"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/T10958","display_name":"Ultrasound and Hyperthermia Applications","score":0.023399999365210533,"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/sparse-deconvolution","display_name":"sparse deconvolution","score":0.9340000152587891},{"id":"https://openalex.org/keywords/functional-ultrasound-imaging","display_name":"functional ultrasound imaging","score":0.7580000162124634},{"id":"https://openalex.org/keywords/super-resolution-imaging","display_name":"super-resolution imaging","score":0.6610000133514404},{"id":"https://openalex.org/keywords/richardson-lucy-deconvolution","display_name":"Richardson-Lucy deconvolution","score":0.9539999961853027},{"id":"https://openalex.org/keywords/point-spread-function-estimation","display_name":"point spread function estimation","score":0.796999990940094},{"id":"https://openalex.org/keywords/plane-wave-imaging","display_name":"plane wave imaging","score":0.5199999809265137},{"id":"https://openalex.org/keywords/rat-brain","display_name":"rat brain","score":0.6299999952316284}],"concepts":[{"id":"https://openalex.org/C174576160","wikidata":"https://www.wikidata.org/wiki/Q1183700","display_name":"Deconvolution","level":2,"score":0.8895999789237976},{"id":"https://openalex.org/C30044814","wikidata":"https://www.wikidata.org/wiki/Q11334452","display_name":"Blind deconvolution","level":3,"score":0.5461999773979187},{"id":"https://openalex.org/C132094186","wikidata":"https://www.wikidata.org/wiki/Q641585","display_name":"Clutter","level":3,"score":0.5460000038146973},{"id":"https://openalex.org/C69179731","wikidata":"https://www.wikidata.org/wiki/Q510427","display_name":"Point spread function","level":2,"score":0.5091000199317932},{"id":"https://openalex.org/C104293457","wikidata":"https://www.wikidata.org/wiki/Q28324852","display_name":"Imaging phantom","level":2,"score":0.44859999418258667},{"id":"https://openalex.org/C22789450","wikidata":"https://www.wikidata.org/wiki/Q420904","display_name":"Singular value decomposition","level":2,"score":0.4388999938964844},{"id":"https://openalex.org/C142757262","wikidata":"https://www.wikidata.org/wiki/Q76436","display_name":"Doppler effect","level":2,"score":0.41530001163482666},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.40380001068115234},{"id":"https://openalex.org/C178596936","wikidata":"https://www.wikidata.org/wiki/Q844471","display_name":"Ultrashort pulse","level":3,"score":0.4034000039100647},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.3968999981880188},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.39559999108314514},{"id":"https://openalex.org/C119666444","wikidata":"https://www.wikidata.org/wiki/Q5977280","display_name":"Temporal resolution","level":2,"score":0.38359999656677246},{"id":"https://openalex.org/C168110828","wikidata":"https://www.wikidata.org/wiki/Q1331626","display_name":"Spectral density","level":2,"score":0.3815000057220459},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.37689998745918274},{"id":"https://openalex.org/C2779843651","wikidata":"https://www.wikidata.org/wiki/Q7390335","display_name":"SIGNAL (programming language)","level":2,"score":0.3749000132083893},{"id":"https://openalex.org/C15652857","wikidata":"https://www.wikidata.org/wiki/Q599016","display_name":"Wiener deconvolution","level":4,"score":0.3693999946117401},{"id":"https://openalex.org/C141379421","wikidata":"https://www.wikidata.org/wiki/Q6094427","display_name":"Iterative reconstruction","level":2,"score":0.35420000553131104},{"id":"https://openalex.org/C99498987","wikidata":"https://www.wikidata.org/wiki/Q2210247","display_name":"Noise (video)","level":3,"score":0.34299999475479126},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.3280999958515167},{"id":"https://openalex.org/C205372480","wikidata":"https://www.wikidata.org/wiki/Q210521","display_name":"Image resolution","level":2,"score":0.32499998807907104},{"id":"https://openalex.org/C135252773","wikidata":"https://www.wikidata.org/wiki/Q1567213","display_name":"Inverse problem","level":2,"score":0.2964000105857849},{"id":"https://openalex.org/C106131492","wikidata":"https://www.wikidata.org/wiki/Q3072260","display_name":"Filter (signal processing)","level":2,"score":0.29030001163482666},{"id":"https://openalex.org/C45347329","wikidata":"https://www.wikidata.org/wiki/Q5166604","display_name":"Convolution (computer science)","level":3,"score":0.2881999909877777},{"id":"https://openalex.org/C182752723","wikidata":"https://www.wikidata.org/wiki/Q1474590","display_name":"Functional imaging","level":2,"score":0.28619998693466187},{"id":"https://openalex.org/C5917680","wikidata":"https://www.wikidata.org/wiki/Q2621825","display_name":"Basis function","level":2,"score":0.28459998965263367},{"id":"https://openalex.org/C13944312","wikidata":"https://www.wikidata.org/wiki/Q7512748","display_name":"Signal-to-noise ratio (imaging)","level":2,"score":0.2815999984741211},{"id":"https://openalex.org/C102519508","wikidata":"https://www.wikidata.org/wiki/Q6520159","display_name":"Fourier transform","level":2,"score":0.28060001134872437},{"id":"https://openalex.org/C2776502983","wikidata":"https://www.wikidata.org/wiki/Q690182","display_name":"Contrast (vision)","level":2,"score":0.27880001068115234},{"id":"https://openalex.org/C31601959","wikidata":"https://www.wikidata.org/wiki/Q931309","display_name":"Medical imaging","level":2,"score":0.2770000100135803},{"id":"https://openalex.org/C124851039","wikidata":"https://www.wikidata.org/wiki/Q2665459","display_name":"Compressed sensing","level":2,"score":0.27129998803138733},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.2648000121116638},{"id":"https://openalex.org/C124066611","wikidata":"https://www.wikidata.org/wiki/Q28684319","display_name":"Sparse approximation","level":2,"score":0.26249998807907104},{"id":"https://openalex.org/C155512373","wikidata":"https://www.wikidata.org/wiki/Q287450","display_name":"Residual","level":2,"score":0.26249998807907104},{"id":"https://openalex.org/C24890656","wikidata":"https://www.wikidata.org/wiki/Q82811","display_name":"Acoustics","level":1,"score":0.259799987077713},{"id":"https://openalex.org/C104267543","wikidata":"https://www.wikidata.org/wiki/Q208163","display_name":"Signal processing","level":3,"score":0.257999986410141},{"id":"https://openalex.org/C163258240","wikidata":"https://www.wikidata.org/wiki/Q25342","display_name":"Power (physics)","level":2,"score":0.2558000087738037}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.64898/2026.09.10.750681","doi":"https://doi.org/10.64898/2026.09.10.750681","is_oa":true,"landing_page_url":"https://doi.org/10.64898/2026.09.10.750681","pdf_url":"https://www.biorxiv.org/content/biorxiv/early/2026/09/13/2026.09.10.750681.full.pdf","source":{"id":"https://openalex.org/S4306402567","display_name":"bioRxiv (Cold Spring Harbor Laboratory)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I2750212522","host_organization_name":"Cold Spring Harbor Laboratory","host_organization_lineage":["https://openalex.org/I2750212522"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"acceptedVersion","is_accepted":true,"is_published":false,"raw_source_name":"bioRxiv","raw_type":"posted-content"}],"best_oa_location":{"id":"doi:10.64898/2026.09.10.750681","doi":"https://doi.org/10.64898/2026.09.10.750681","is_oa":true,"landing_page_url":"https://doi.org/10.64898/2026.09.10.750681","pdf_url":"https://www.biorxiv.org/content/biorxiv/early/2026/09/13/2026.09.10.750681.full.pdf","source":{"id":"https://openalex.org/S4306402567","display_name":"bioRxiv (Cold Spring Harbor Laboratory)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I2750212522","host_organization_name":"Cold Spring Harbor Laboratory","host_organization_lineage":["https://openalex.org/I2750212522"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"acceptedVersion","is_accepted":true,"is_published":false,"raw_source_name":"bioRxiv","raw_type":"posted-content"},"sustainable_development_goals":[{"score":0.5683000087738037,"display_name":"Good health and well-being","id":"https://metadata.un.org/sdg/3"}],"study_designs":[],"awards":[{"id":"https://openalex.org/G2837675288","display_name":"SonoGenetics Bacterial Diagnosis and Therapeutics","funder_award_id":"ANR-21-CE19-0050","funder_id":"https://openalex.org/F4320320883","funder_display_name":"Agence Nationale de la Recherche"}],"funders":[{"id":"https://openalex.org/F4320320883","display_name":"Agence Nationale de la Recherche","ror":"https://ror.org/00rbzpz17"},{"id":"https://openalex.org/F4320320893","display_name":"Institut National de la Sant\u00e9 et de la Recherche M\u00e9dicale","ror":"https://ror.org/02vjkv261"},{"id":"https://openalex.org/F4320321048","display_name":"AXA Research Fund","ror":"https://ror.org/02zxqxw53"}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W7212420363.pdf","grobid_xml":"https://content.openalex.org/works/W7212420363.grobid-xml"},"referenced_works_count":1,"referenced_works":["https://openalex.org/W4413480289"],"related_works":["https://openalex.org/W4414272520","https://openalex.org/W3123717708","https://openalex.org/W2945916124","https://openalex.org/W2801747095","https://openalex.org/W7138063808","https://openalex.org/W3041389793","https://openalex.org/W2909340549","https://openalex.org/W7133197159","https://openalex.org/W4403277823","https://openalex.org/W7152584989"],"abstract_inverted_index":{"Abstract":[0],"Ultrafast":[1],"power":[2,82,163],"Doppler":[3,39,83,86,193,262],"imaging":[4],"combined":[5],"with":[6,119,133,149],"singular":[7],"value":[8],"decomposition":[9],"(SVD)":[10],"clutter":[11],"filtering":[12],"has":[13],"become":[14],"a":[15,55,75,94,99,109,130,150,155,207,242,271],"standard":[16],"approach":[17],"for":[18,276],"label-free":[19,260],"microvascular":[20,209,278],"ultrasound,":[21,219,263],"enabling":[22],"the":[23,33,44,47,67,127,140,168,181,192,213,226,237,254],"visualization":[24],"of":[25,35,46,69],"small":[26],"vessels":[27],"without":[28],"microbubble":[29],"contrast":[30],"agents.":[31],"In":[32],"absence":[34],"contrast,":[36],"however,":[37],"SVD-filtered":[38,80],"images":[40],"remain":[41],"limited":[42],"by":[43,54,114,170,231],"blur":[45],"imaging-system":[48],"point":[49],"spread":[50],"function":[51],"(PSF)":[52],"and":[53,108,137,154,173,178,183,202,205,264,279],"residual":[56],"noise":[57],"floor":[58],"that":[59,97,190,222,253,265],"reduces":[60],"sensitivity":[61],"at":[62],"depth,":[63],"which":[64],"together":[65],"hinder":[66],"resolution":[68,169],"fine":[70],"microvasculature.":[71],"Here":[72],"we":[73,220],"establish":[74],"sparse":[76,165,223,266],"deconvolution":[77,118,166,199,224,267],"framework":[78,128,141,215],"to":[79,160,176,216,246],"ultrafast":[81,261],"images.":[84],"Each":[85],"frame":[87],"is":[88],"processed":[89],"in":[90,143,180,259],"two":[91],"cascaded":[92],"stages:":[93],"Split-Bregman":[95],"optimization":[96],"solves":[98],"regularized":[100],"least-squares":[101],"problem":[102],"combining":[103],"an":[104,115,120],"\u21131":[105],"sparsity":[106],"prior":[107],"Hessian":[110],"continuity":[111],"prior,":[112],"followed":[113],"accelerated":[116],"Richardson\u2013Lucy":[117],"estimated":[121],"system":[122,153],"PSF.":[123],"We":[124,187],"first":[125],"validated":[126],"on":[129,142],"simulation":[131],"phantom":[132],"known":[134],"ground":[135],"truth,":[136],"then":[138],"evaluated":[139],"vivo":[144],"rat-brain":[145],"plane-wave":[146],"acquisitions":[147],"obtained":[148],"Verasonics":[151],"Vantage":[152],"15-MHz":[156],"linear":[157],"array.":[158],"Compared":[159],"conventional":[161,232],"SVD":[162],"Doppler,":[164],"improved":[167],"around":[171],"4":[172],"8":[174],"times":[175],"\u03bb/2":[177],"\u03bb/4,":[179],"lateral":[182],"axial":[184],"directions":[185],"respectively.":[186],"further":[188],"show":[189,221],"decomposing":[191],"signal":[194],"into":[195],"velocity":[196],"bands":[197],"before":[198],"disentangles":[200],"slow":[201],"fast":[203],"flow":[204],"yields":[206],"velocity-resolved":[208],"map.":[210],"Finally,":[211],"applying":[212],"same":[214],"task-evoked":[217],"functional":[218,233,280],"preserves":[225],"stimulus-locked":[227],"cerebral-blood-volume":[228],"response":[229],"measured":[230],"ultrasound":[234],"while":[235],"sharpening":[236],"corresponding":[238],"activation":[239],"map":[240],"from":[241],"diffuse":[243],"cortical":[244],"region":[245],"discrete":[247],"penetrating":[248],"vessels.":[249],"These":[250],"results":[251],"indicate":[252],"sparsity-prior":[255],"super-resolution":[256,277],"principles":[257],"established":[258],"can":[268],"serve":[269],"as":[270],"practical,":[272],"contrast-free":[273],"post-processing":[274],"front-end":[275],"imaging.":[281]},"counts_by_year":[],"updated_date":"2026-11-04T10:54:05.112534","created_date":"2026-09-14T00:00:00"}