{"id":"https://openalex.org/W7123356298","doi":"https://doi.org/10.1109/tcsi.2025.3645401","title":"A Hybrid Dual-Band Ultrasound Imaging SoC With Enhanced Spatial Resolution for UAV Applications","display_name":"A Hybrid Dual-Band Ultrasound Imaging SoC With Enhanced Spatial Resolution for UAV Applications","publication_year":2026,"publication_date":"2026-01-12","ids":{"openalex":"https://openalex.org/W7123356298","doi":"https://doi.org/10.1109/tcsi.2025.3645401"},"language":null,"primary_location":{"id":"doi:10.1109/tcsi.2025.3645401","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tcsi.2025.3645401","pdf_url":null,"source":{"id":"https://openalex.org/S116977442","display_name":"IEEE Transactions on Circuits and Systems I Regular Papers","issn_l":"1549-8328","issn":["1549-8328","1558-0806"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Circuits and Systems I: Regular Papers","raw_type":"journal-article"},"type":"article","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":null,"display_name":"Jiaqi Guo","orcid":"https://orcid.org/0009-0002-2464-7880"},"institutions":[{"id":"https://openalex.org/I165932596","display_name":"National University of Singapore","ror":"https://ror.org/01tgyzw49","country_code":"SG","type":"education","lineage":["https://openalex.org/I165932596"]}],"countries":["SG"],"is_corresponding":false,"raw_author_name":"Jiaqi Guo","raw_affiliation_strings":["Department of Electrical and Computer Engineering, National University of Singapore, Singapore, Singapore"],"raw_orcid":"https://orcid.org/0009-0002-2464-7880","affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, National University of Singapore, Singapore, Singapore","institution_ids":["https://openalex.org/I165932596"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5064223544","display_name":"Silin Chen","orcid":null},"institutions":[{"id":"https://openalex.org/I139264467","display_name":"Seoul National University","ror":"https://ror.org/04h9pn542","country_code":"KR","type":"education","lineage":["https://openalex.org/I139264467"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Silin Chen","raw_affiliation_strings":["Department of Electrical and Computer Engineering, Seoul National University, Seoul, South Korea"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, Seoul National University, Seoul, South Korea","institution_ids":["https://openalex.org/I139264467"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5015136164","display_name":"Junwei Feng","orcid":null},"institutions":[{"id":"https://openalex.org/I139264467","display_name":"Seoul National University","ror":"https://ror.org/04h9pn542","country_code":"KR","type":"education","lineage":["https://openalex.org/I139264467"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Junwei Feng","raw_affiliation_strings":["Department of Electrical and Computer Engineering, Seoul National University, Seoul, South Korea"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, Seoul National University, Seoul, South Korea","institution_ids":["https://openalex.org/I139264467"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5122863871","display_name":"Zhuoyue Li","orcid":null},"institutions":[{"id":"https://openalex.org/I165932596","display_name":"National University of Singapore","ror":"https://ror.org/01tgyzw49","country_code":"SG","type":"education","lineage":["https://openalex.org/I165932596"]}],"countries":["SG"],"is_corresponding":false,"raw_author_name":"Zhuoyue Li","raw_affiliation_strings":["Department of Electrical and Computer Engineering, National University of Singapore, Singapore, Singapore"],"raw_orcid":"https://orcid.org/0009-0001-6279-9386","affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, National University of Singapore, Singapore, Singapore","institution_ids":["https://openalex.org/I165932596"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5008050114","display_name":"Jerald Yoo","orcid":"https://orcid.org/0000-0002-3150-1727"},"institutions":[{"id":"https://openalex.org/I139264467","display_name":"Seoul National University","ror":"https://ror.org/04h9pn542","country_code":"KR","type":"education","lineage":["https://openalex.org/I139264467"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Jerald Yoo","raw_affiliation_strings":["Department of Electrical and Computer Engineering, Seoul National University, Seoul, South Korea"],"raw_orcid":"https://orcid.org/0000-0002-3150-1727","affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, Seoul National University, Seoul, South Korea","institution_ids":["https://openalex.org/I139264467"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.06119847,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"73","issue":"6","first_page":"4246","last_page":"4258"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12153","display_name":"Advanced Optical Sensing Technologies","score":0.5033000111579895,"subfield":{"id":"https://openalex.org/subfields/3105","display_name":"Instrumentation"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T12153","display_name":"Advanced Optical Sensing Technologies","score":0.5033000111579895,"subfield":{"id":"https://openalex.org/subfields/3105","display_name":"Instrumentation"},"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/T10727","display_name":"Ultrasound Imaging and Elastography","score":0.14800000190734863,"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/T11038","display_name":"Advanced SAR Imaging Techniques","score":0.10999999940395355,"subfield":{"id":"https://openalex.org/subfields/2202","display_name":"Aerospace 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/lidar","display_name":"Lidar","score":0.7131999731063843},{"id":"https://openalex.org/keywords/robustness","display_name":"Robustness (evolution)","score":0.6312000155448914},{"id":"https://openalex.org/keywords/image-resolution","display_name":"Image resolution","score":0.6270999908447266},{"id":"https://openalex.org/keywords/frame-rate","display_name":"Frame rate","score":0.5636000037193298},{"id":"https://openalex.org/keywords/ranging","display_name":"Ranging","score":0.536300003528595},{"id":"https://openalex.org/keywords/image-sensor","display_name":"Image sensor","score":0.46459999680519104},{"id":"https://openalex.org/keywords/radar-imaging","display_name":"Radar imaging","score":0.4269999861717224},{"id":"https://openalex.org/keywords/cmos-sensor","display_name":"CMOS sensor","score":0.4259999990463257}],"concepts":[{"id":"https://openalex.org/C51399673","wikidata":"https://www.wikidata.org/wiki/Q504027","display_name":"Lidar","level":2,"score":0.7131999731063843},{"id":"https://openalex.org/C63479239","wikidata":"https://www.wikidata.org/wiki/Q7353546","display_name":"Robustness (evolution)","level":3,"score":0.6312000155448914},{"id":"https://openalex.org/C205372480","wikidata":"https://www.wikidata.org/wiki/Q210521","display_name":"Image resolution","level":2,"score":0.6270999908447266},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5938000082969666},{"id":"https://openalex.org/C3261483","wikidata":"https://www.wikidata.org/wiki/Q119565","display_name":"Frame rate","level":2,"score":0.5636000037193298},{"id":"https://openalex.org/C115051666","wikidata":"https://www.wikidata.org/wiki/Q6522493","display_name":"Ranging","level":2,"score":0.536300003528595},{"id":"https://openalex.org/C76935873","wikidata":"https://www.wikidata.org/wiki/Q209121","display_name":"Image sensor","level":2,"score":0.46459999680519104},{"id":"https://openalex.org/C10929652","wikidata":"https://www.wikidata.org/wiki/Q7279985","display_name":"Radar imaging","level":3,"score":0.4269999861717224},{"id":"https://openalex.org/C155512908","wikidata":"https://www.wikidata.org/wiki/Q210745","display_name":"CMOS sensor","level":3,"score":0.4259999990463257},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.3928999900817871},{"id":"https://openalex.org/C143753070","wikidata":"https://www.wikidata.org/wiki/Q162564","display_name":"Ultrasound","level":2,"score":0.39259999990463257},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.38350000977516174},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.37040001153945923},{"id":"https://openalex.org/C554190296","wikidata":"https://www.wikidata.org/wiki/Q47528","display_name":"Radar","level":2,"score":0.3472000062465668},{"id":"https://openalex.org/C59519942","wikidata":"https://www.wikidata.org/wiki/Q650665","display_name":"Drone","level":2,"score":0.31949999928474426},{"id":"https://openalex.org/C184652730","wikidata":"https://www.wikidata.org/wiki/Q2357982","display_name":"Attenuation","level":2,"score":0.3052999973297119},{"id":"https://openalex.org/C2776151529","wikidata":"https://www.wikidata.org/wiki/Q3045304","display_name":"Object detection","level":3,"score":0.2921000123023987},{"id":"https://openalex.org/C74064498","wikidata":"https://www.wikidata.org/wiki/Q3396184","display_name":"Radio frequency","level":2,"score":0.2833999991416931},{"id":"https://openalex.org/C24890656","wikidata":"https://www.wikidata.org/wiki/Q82811","display_name":"Acoustics","level":1,"score":0.28040000796318054},{"id":"https://openalex.org/C100921725","wikidata":"https://www.wikidata.org/wiki/Q1650811","display_name":"Spatial frequency","level":2,"score":0.2676999866962433},{"id":"https://openalex.org/C141379421","wikidata":"https://www.wikidata.org/wiki/Q6094427","display_name":"Iterative reconstruction","level":2,"score":0.2605000138282776},{"id":"https://openalex.org/C2777813233","wikidata":"https://www.wikidata.org/wiki/Q1527816","display_name":"Grating","level":2,"score":0.2597000002861023},{"id":"https://openalex.org/C87133666","wikidata":"https://www.wikidata.org/wiki/Q1161699","display_name":"Dynamic range","level":2,"score":0.25949999690055847},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.25450000166893005},{"id":"https://openalex.org/C119666444","wikidata":"https://www.wikidata.org/wiki/Q5977280","display_name":"Temporal resolution","level":2,"score":0.25369998812675476},{"id":"https://openalex.org/C204323151","wikidata":"https://www.wikidata.org/wiki/Q905424","display_name":"Range (aeronautics)","level":2,"score":0.2508000135421753}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tcsi.2025.3645401","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tcsi.2025.3645401","pdf_url":null,"source":{"id":"https://openalex.org/S116977442","display_name":"IEEE Transactions on Circuits and Systems I Regular Papers","issn_l":"1549-8328","issn":["1549-8328","1558-0806"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Circuits and Systems I: Regular Papers","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":[],"abstract_inverted_index":{"Unmanned":[0],"Aerial":[1],"Vehicle":[2],"(UAV)/drone":[3],"vision":[4],"and":[5,16,24,27,39,51,65,80,83,93,119,139,159,191,206,215,228,258],"navigation":[6,235],"require":[7],"low-power":[8],"3D":[9,170,230],"depth-sensing":[10,231],"with":[11,154],"robustness":[12],"against":[13],"strong/weak":[14],"light":[15,25,44,81],"various":[17,78],"weather":[18,59,79],"conditions.":[19,45,239],"CMOS":[20],"image":[21],"sensor":[22],"(CIS)":[23],"detection":[26],"ranging":[28],"(LiDAR)":[29],"can":[30],"provide":[31],"high-fidelity":[32],"imaging.":[33,171],"However,":[34],"CIS":[35],"lacks":[36],"depth":[37],"sensing":[38],"has":[40,89],"difficulty":[41],"in":[42,57,77,244],"low":[43,90,94],"LiDAR":[46],"suffers":[47],"from":[48],"heavy":[49],"fog":[50],"is":[52,55,75,84,133,242],"costly.":[53],"Radar":[54],"resilient":[56],"poor":[58],"but":[60],"tends":[61],"to":[62,116,125,135,165],"be":[63],"bulky":[64],"expensive.":[66],"Ultrasound":[67],"imaging":[68,91,129,145],"system":[69],"(UIS),":[70],"on":[71,194],"the":[72,110,221],"other":[73],"hand,":[74],"robust":[76],"conditions":[82],"cost-effective;":[85],"however,":[86],"it":[87],"usually":[88],"resolution":[92,151,169],"frame":[95],"rate.":[96],"Using":[97],"a":[98,195,202],"higher":[99,104],"frequency":[100,156],"ultrasound":[101,128,144],"theoretically":[102],"enables":[103],"resolution,":[105,190],"yet":[106],"this":[107,131],"comes":[108],"at":[109,201],"cost":[111],"of":[112],"short":[113],"range":[114,180,205],"due":[115],"greater":[117],"attenuation":[118],"severe":[120],"grating":[121],"lobe":[122],"phenomenon.":[123],"Compared":[124],"prior":[126],"air-channeled":[127],"systems,":[130],"work":[132],"first":[134],"integrate":[136],"low-frequency":[137],"(LF)":[138],"high-frequency":[140],"(HF)":[141],"dual":[142],"band":[143],"into":[146],"SoC,":[147],"achieving":[148],"highest":[149],"angular":[150,189],"so":[152],"far":[153],"near-zero":[155],"switching":[157],"latency":[158],"typical":[160],"11.04M":[161],"focal":[162],"point/s":[163],"throughput":[164],"enable":[166],"real-time":[167],"high":[168],"System":[172],"level":[173],"validation":[174],"including":[175],"signal-to-noise":[176],"ratio":[177],"(SNR)":[178],"VS":[179],"characterization,":[181],"hybrid":[182,222],"LF\u2013HF":[183],"imaging,":[184],"two-point":[185],"separation":[186],"demonstrating":[187],"0.5\u00b0":[188],"in-air":[192],"measurements":[193],"flying":[196],"drone":[197],"confirms":[198],"reliable":[199],"operation":[200],"7":[203],"m":[204],"21":[207],"frames":[208],"per":[209],"second":[210],"(fps)":[211],"for":[212,233],"both":[213],"LF":[214],"HF":[216],"modes.":[217],"These":[218],"results":[219],"establish":[220],"dual-band":[223],"SoC":[224,241],"as":[225],"an":[226],"effective":[227],"practical":[229],"solution":[232],"UAV":[234],"under":[236],"challenging":[237],"environmental":[238],"The":[240],"implemented":[243],"180":[245],"nm":[246],"1P6M":[247],"Standard":[248],"CMOS,":[249],"occupies":[250],"30mm<inline-formula":[251],"xmlns:mml=\"http://www.w3.org/1998/Math/MathML\"":[252],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">":[253],"<tex-math":[254],"notation=\"LaTeX\">${}^{\\mathbf":[255],"{2}}$</tex-math>":[256],"</inline-formula>":[257],"consumes":[259],"116.1":[260],"mW.":[261]},"counts_by_year":[],"updated_date":"2026-06-02T06:17:35.589633","created_date":"2026-01-14T00:00:00"}
