{"id":"https://openalex.org/W7147035563","doi":"https://doi.org/10.48550/arxiv.2603.27143","title":"Follow Your Heart: Landmark-Guided Transducer Pose Scoring for Point-of-Care Echocardiography","display_name":"Follow Your Heart: Landmark-Guided Transducer Pose Scoring for Point-of-Care Echocardiography","publication_year":2026,"publication_date":"2026-03-28","ids":{"openalex":"https://openalex.org/W7147035563","doi":"https://doi.org/10.48550/arxiv.2603.27143"},"language":null,"primary_location":{"id":"doi:10.48550/arxiv.2603.27143","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2603.27143","pdf_url":null,"source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Preprint"},"type":"preprint","indexed_in":["datacite"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://doi.org/10.48550/arxiv.2603.27143","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5132670407","display_name":"Zaiyang Guo","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Guo, Zaiyang","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5132636612","display_name":"Jessie N. Dong","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Dong, Jessie N.","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5115647460","display_name":"Filippos Bellos","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Bellos, Filippos","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5033686761","display_name":"Jilei Hao","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Hao, Jilei","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5132583373","display_name":"Emily J. MacKay","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"MacKay, Emily J.","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5124110850","display_name":"Trevor Chan","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Chan, Trevor","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5132565653","display_name":"Shir Goldfinger","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Goldfinger, Shir","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5102119413","display_name":"Sethu K. Reddy","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Reddy, Sethu","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5102946105","display_name":"Steven Vance","orcid":"https://orcid.org/0000-0002-4048-6274"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Vance, Steven","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5079301873","display_name":"Jason J. Corso","orcid":"https://orcid.org/0000-0001-6454-9594"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Corso, Jason J.","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5073734860","display_name":"Alison M. Pouch","orcid":"https://orcid.org/0000-0001-8854-5301"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Pouch, Alison M.","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"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/T10868","display_name":"Soft Robotics and Applications","score":0.21119999885559082,"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/T10868","display_name":"Soft Robotics and Applications","score":0.21119999885559082,"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/T10358","display_name":"Advanced Radiotherapy Techniques","score":0.2012999951839447,"subfield":{"id":"https://openalex.org/subfields/3108","display_name":"Radiation"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10821","display_name":"Cardiovascular Function and Risk Factors","score":0.1185000017285347,"subfield":{"id":"https://openalex.org/subfields/2705","display_name":"Cardiology and Cardiovascular Medicine"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/transducer","display_name":"Transducer","score":0.7678999900817871},{"id":"https://openalex.org/keywords/landmark","display_name":"Landmark","score":0.5770000219345093},{"id":"https://openalex.org/keywords/ejection-fraction","display_name":"Ejection fraction","score":0.47920000553131104},{"id":"https://openalex.org/keywords/data-acquisition","display_name":"Data acquisition","score":0.44609999656677246},{"id":"https://openalex.org/keywords/orientation","display_name":"Orientation (vector space)","score":0.41110000014305115},{"id":"https://openalex.org/keywords/workflow","display_name":"Workflow","score":0.4052000045776367},{"id":"https://openalex.org/keywords/inference","display_name":"Inference","score":0.3928000032901764}],"concepts":[{"id":"https://openalex.org/C56318395","wikidata":"https://www.wikidata.org/wiki/Q215928","display_name":"Transducer","level":2,"score":0.7678999900817871},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6517000198364258},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.5835999846458435},{"id":"https://openalex.org/C2780297707","wikidata":"https://www.wikidata.org/wiki/Q4895393","display_name":"Landmark","level":2,"score":0.5770000219345093},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.5482000112533569},{"id":"https://openalex.org/C78085059","wikidata":"https://www.wikidata.org/wiki/Q641303","display_name":"Ejection fraction","level":3,"score":0.47920000553131104},{"id":"https://openalex.org/C163985040","wikidata":"https://www.wikidata.org/wiki/Q1172399","display_name":"Data acquisition","level":2,"score":0.44609999656677246},{"id":"https://openalex.org/C16345878","wikidata":"https://www.wikidata.org/wiki/Q107472979","display_name":"Orientation (vector space)","level":2,"score":0.41110000014305115},{"id":"https://openalex.org/C177212765","wikidata":"https://www.wikidata.org/wiki/Q627335","display_name":"Workflow","level":2,"score":0.4052000045776367},{"id":"https://openalex.org/C2776214188","wikidata":"https://www.wikidata.org/wiki/Q408386","display_name":"Inference","level":2,"score":0.3928000032901764},{"id":"https://openalex.org/C94915269","wikidata":"https://www.wikidata.org/wiki/Q1834857","display_name":"Detector","level":2,"score":0.35600000619888306},{"id":"https://openalex.org/C2780385302","wikidata":"https://www.wikidata.org/wiki/Q367158","display_name":"Protocol (science)","level":3,"score":0.3352000117301941},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.32260000705718994},{"id":"https://openalex.org/C2779843651","wikidata":"https://www.wikidata.org/wiki/Q7390335","display_name":"SIGNAL (programming language)","level":2,"score":0.321399986743927},{"id":"https://openalex.org/C14036430","wikidata":"https://www.wikidata.org/wiki/Q3736076","display_name":"Function (biology)","level":2,"score":0.3019999861717224},{"id":"https://openalex.org/C198082294","wikidata":"https://www.wikidata.org/wiki/Q3399648","display_name":"Position (finance)","level":2,"score":0.2897000014781952},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.2777000069618225},{"id":"https://openalex.org/C3018385824","wikidata":"https://www.wikidata.org/wiki/Q2910873","display_name":"Anatomical landmark","level":2,"score":0.2524000108242035}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.48550/arxiv.2603.27143","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2603.27143","pdf_url":null,"source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":null,"raw_source_name":null,"raw_type":"Preprint"}],"best_oa_location":{"id":"doi:10.48550/arxiv.2603.27143","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2603.27143","pdf_url":null,"source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Preprint"},"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":[],"abstract_inverted_index":{"Point-of-care":[0],"transthoracic":[1],"echocardiography":[2],"(TTE)":[3],"makes":[4],"it":[5],"possible":[6],"to":[7,35,152,162,191],"assess":[8],"a":[9,59,71,93,136,188],"patient's":[10],"cardiac":[11],"function":[12],"in":[13,20,86,206],"almost":[14],"any":[15],"setting.":[16],"A":[17,108],"critical":[18],"step":[19],"the":[21,27,142,149,155,170],"TTE":[22,132,205],"exam":[23],"is":[24,33,58,110,158],"acquisition":[25,54,81],"of":[26],"apical":[28],"4-chamber":[29],"(A4CH)":[30],"view,":[31],"which":[32,198],"used":[34],"evaluate":[36,128],"clinically":[37],"impactful":[38],"measurements":[39],"such":[40],"as":[41],"left":[42],"ventricular":[43],"ejection":[44],"fraction":[45],"(LVEF).":[46],"However,":[47],"optimizing":[48],"transducer":[49,94,124,156],"pose":[50,95,157],"for":[51,63,78,123,194],"high-quality":[52,87],"image":[53],"and":[55,82,98,114,182],"subsequent":[56],"measurement":[57],"challenging":[60],"task,":[61],"particularly":[62],"novice":[64],"users.":[65],"In":[66,184],"this":[67],"work,":[68],"we":[69,186],"present":[70],"multi-task":[72],"network":[73,91,112],"that":[74,111,178],"provides":[75],"feedback":[76],"cues":[77,177],"A4CH":[79,88,144,195],"view":[80,196],"automatically":[83],"estimates":[84],"LVEF":[85,106],"images.":[89],"The":[90,146],"cascades":[92],"scoring":[96],"module":[97],"an":[99],"uncertainty-aware":[100],"LV":[101],"landmark":[102,176],"detector":[103],"with":[104,135],"automated":[105],"estimation.":[107],"strength":[109],"training":[113],"inference":[115],"do":[116],"not":[117],"require":[118],"cumbersome":[119],"or":[120,164],"costly":[121],"setups":[122],"position":[125],"tracking.":[126],"We":[127],"performance":[129],"on":[130,159,169],"point-of-care":[131,204],"data":[133],"acquired":[134],"spatially":[137],"dense":[138],"\"sweep\"":[139],"protocol":[140],"around":[141],"optimal":[143],"view.":[145],"results":[147],"demonstrate":[148,187],"network's":[150],"ability":[151],"determine":[153],"when":[154,202],"target,":[160,163],"close":[161],"far":[165],"from":[166],"target":[167],"based":[168],"images":[171],"alone,":[172],"while":[173],"generating":[174],"visual":[175],"guide":[179],"anatomical":[180],"interpretation":[181],"orientation.":[183],"conclusion,":[185],"promising":[189],"strategy":[190],"provide":[192],"guidance":[193],"acquisition,":[197],"may":[199],"be":[200],"useful":[201],"deploying":[203],"limited":[207],"resource":[208],"settings.":[209]},"counts_by_year":[],"updated_date":"2026-07-01T06:00:48.157686","created_date":"2026-04-02T00:00:00"}