{"id":"https://openalex.org/W7213404493","doi":"https://doi.org/10.1145/3842503","title":"Cascaded Non-Line-of-Sight Imaging","display_name":"Cascaded Non-Line-of-Sight Imaging","publication_year":2026,"publication_date":"2026-11-09","ids":{"openalex":"https://openalex.org/W7213404493","doi":"https://doi.org/10.1145/3842503"},"language":"en","primary_location":{"id":"doi:10.1145/3842503","doi":"https://doi.org/10.1145/3842503","is_oa":true,"landing_page_url":"https://doi.org/10.1145/3842503","pdf_url":null,"source":{"id":"https://openalex.org/S185367456","display_name":"ACM Transactions on Graphics","issn_l":"0730-0301","issn":["0730-0301","1557-7368"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","ccf-a","cwts-core","dongbi-a","jufo-3","norway-2","poland-140","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310319798","host_organization_name":"Association for Computing Machinery","host_organization_lineage":["https://openalex.org/P4310319798"],"host_organization_lineage_names":["Association for Computing Machinery"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"ACM Transactions on Graphics","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["arxiv","crossref","datacite"],"open_access":{"is_oa":true,"oa_status":"hybrid","oa_url":"https://doi.org/10.1145/3842503","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5049959616","display_name":"Diego Royo","orcid":"https://orcid.org/0000-0001-6880-322X","observed_orcids":["https://orcid.org/0000-0001-6880-322X"]},"institutions":[{"id":"https://openalex.org/I255234318","display_name":"Universidad de Zaragoza","ror":"https://ror.org/012a91z28","country_code":"ES","type":"education","lineage":["https://openalex.org/I255234318"]},{"id":"https://openalex.org/I4405260899","display_name":"Instituto de Investigaci\u00f3n en Ingenier\u00eda de Arag\u00f3n","ror":"https://ror.org/04eqgej32","country_code":"ES","type":"education","lineage":["https://openalex.org/I255234318","https://openalex.org/I4405260899"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"Diego Royo","raw_affiliation_strings":["Universidad de Zaragoza - I3A, Zaragoza, Arag\u00f3n, Spain"],"raw_orcid":"https://orcid.org/0000-0001-6880-322X","affiliations":[{"raw_affiliation_string":"Universidad de Zaragoza - I3A, Zaragoza, Arag\u00f3n, Spain","institution_ids":["https://openalex.org/I255234318","https://openalex.org/I4405260899"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5151891747","display_name":"Mar\u00eda Pe\u00f1a","orcid":"https://orcid.org/0009-0008-0296-0917","observed_orcids":["https://orcid.org/0009-0008-0296-0917"]},"institutions":[{"id":"https://openalex.org/I255234318","display_name":"Universidad de Zaragoza","ror":"https://ror.org/012a91z28","country_code":"ES","type":"education","lineage":["https://openalex.org/I255234318"]},{"id":"https://openalex.org/I4405260899","display_name":"Instituto de Investigaci\u00f3n en Ingenier\u00eda de Arag\u00f3n","ror":"https://ror.org/04eqgej32","country_code":"ES","type":"education","lineage":["https://openalex.org/I255234318","https://openalex.org/I4405260899"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"Mar\u00eda Pe\u00f1a","raw_affiliation_strings":["Universidad de Zaragoza - I3A, Zaragoza, Arag\u00f3n, Spain"],"raw_orcid":"https://orcid.org/0009-0008-0296-0917","affiliations":[{"raw_affiliation_string":"Universidad de Zaragoza - I3A, Zaragoza, Arag\u00f3n, Spain","institution_ids":["https://openalex.org/I255234318","https://openalex.org/I4405260899"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5063747231","display_name":"Forrest B. Peterson","orcid":"https://orcid.org/0009-0002-1179-2587","observed_orcids":["https://orcid.org/0009-0002-1179-2587"]},"institutions":[{"id":"https://openalex.org/I135310074","display_name":"University of Wisconsin\u2013Madison","ror":"https://ror.org/01y2jtd41","country_code":"US","type":"education","lineage":["https://openalex.org/I135310074"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Forrest B. Peterson","raw_affiliation_strings":["University of Wisconsin-Madison, Madison, Wisconsin, USA"],"raw_orcid":"https://orcid.org/0009-0002-1179-2587","affiliations":[{"raw_affiliation_string":"University of Wisconsin-Madison, Madison, Wisconsin, USA","institution_ids":["https://openalex.org/I135310074"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5058842115","display_name":"Andreas U. Velten","orcid":"https://orcid.org/0000-0001-5591-828X","observed_orcids":["https://orcid.org/0000-0001-5591-828X"]},"institutions":[{"id":"https://openalex.org/I135310074","display_name":"University of Wisconsin\u2013Madison","ror":"https://ror.org/01y2jtd41","country_code":"US","type":"education","lineage":["https://openalex.org/I135310074"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Andreas Velten","raw_affiliation_strings":["University of Wisconsin-Madison, Madison, Wisconsin, USA"],"raw_orcid":"https://orcid.org/0000-0001-5591-828X","affiliations":[{"raw_affiliation_string":"University of Wisconsin-Madison, Madison, Wisconsin, USA","institution_ids":["https://openalex.org/I135310074"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5088679974","display_name":"Julio Marco","orcid":"https://orcid.org/0000-0001-9960-8945","observed_orcids":["https://orcid.org/0000-0001-9960-8945"]},"institutions":[{"id":"https://openalex.org/I255234318","display_name":"Universidad de Zaragoza","ror":"https://ror.org/012a91z28","country_code":"ES","type":"education","lineage":["https://openalex.org/I255234318"]},{"id":"https://openalex.org/I4405260899","display_name":"Instituto de Investigaci\u00f3n en Ingenier\u00eda de Arag\u00f3n","ror":"https://ror.org/04eqgej32","country_code":"ES","type":"education","lineage":["https://openalex.org/I255234318","https://openalex.org/I4405260899"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"Julio Marco","raw_affiliation_strings":["Universidad de Zaragoza - I3A, Zaragoza, Arag\u00f3n, Spain"],"raw_orcid":"https://orcid.org/0000-0001-9960-8945","affiliations":[{"raw_affiliation_string":"Universidad de Zaragoza - I3A, Zaragoza, Arag\u00f3n, Spain","institution_ids":["https://openalex.org/I255234318","https://openalex.org/I4405260899"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5129808658","display_name":"Diego Gutierrez","orcid":"https://orcid.org/0000-0002-7503-7022","observed_orcids":["https://orcid.org/0000-0002-7503-7022"]},"institutions":[{"id":"https://openalex.org/I255234318","display_name":"Universidad de Zaragoza","ror":"https://ror.org/012a91z28","country_code":"ES","type":"education","lineage":["https://openalex.org/I255234318"]},{"id":"https://openalex.org/I4405260899","display_name":"Instituto de Investigaci\u00f3n en Ingenier\u00eda de Arag\u00f3n","ror":"https://ror.org/04eqgej32","country_code":"ES","type":"education","lineage":["https://openalex.org/I255234318","https://openalex.org/I4405260899"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"Diego Gutierrez","raw_affiliation_strings":["Universidad de Zaragoza - I3A, Zaragoza, Arag\u00f3n, Spain"],"raw_orcid":"https://orcid.org/0000-0002-7503-7022","affiliations":[{"raw_affiliation_string":"Universidad de Zaragoza - I3A, Zaragoza, Arag\u00f3n, Spain","institution_ids":["https://openalex.org/I255234318","https://openalex.org/I4405260899"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":true,"cited_by_count":0,"citation_normalized_percentile":{"value":0.0,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"45","issue":"6","first_page":"1","last_page":"12"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12153","display_name":"Advanced Optical Sensing Technologies","score":0.9779999852180481,"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":0.9779999852180481,"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/T11996","display_name":"Random lasers and scattering media","score":0.005100000184029341,"subfield":{"id":"https://openalex.org/subfields/3107","display_name":"Atomic and Molecular Physics, and Optics"},"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/T10977","display_name":"Optical Imaging and Spectroscopy Techniques","score":0.0032999999821186066,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/non-line-of-sight-imaging","display_name":"non-line-of-sight imaging","score":0.9729999899864197},{"id":"https://openalex.org/keywords/time-of-flight","display_name":"time-of-flight","score":0.6399999856948853},{"id":"https://openalex.org/keywords/impulse-response","display_name":"impulse response","score":0.6290000081062317},{"id":"https://openalex.org/keywords/hidden-object-imaging","display_name":"hidden object imaging","score":0.45100000500679016}],"concepts":[{"id":"https://openalex.org/C154910267","wikidata":"https://www.wikidata.org/wiki/Q1740982","display_name":"Non-line-of-sight propagation","level":3,"score":0.8539999723434448},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6923999786376953},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.6546000242233276},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.5974000096321106},{"id":"https://openalex.org/C72279823","wikidata":"https://www.wikidata.org/wiki/Q1139726","display_name":"Impulse response","level":2,"score":0.550599992275238},{"id":"https://openalex.org/C123403432","wikidata":"https://www.wikidata.org/wiki/Q654068","display_name":"Visibility","level":2,"score":0.38659998774528503},{"id":"https://openalex.org/C70836080","wikidata":"https://www.wikidata.org/wiki/Q837940","display_name":"Impulse (physics)","level":2,"score":0.3822999894618988},{"id":"https://openalex.org/C36464697","wikidata":"https://www.wikidata.org/wiki/Q451553","display_name":"Visualization","level":2,"score":0.3644999861717224},{"id":"https://openalex.org/C57177791","wikidata":"https://www.wikidata.org/wiki/Q1038886","display_name":"Imaging science","level":2,"score":0.3644999861717224},{"id":"https://openalex.org/C159317903","wikidata":"https://www.wikidata.org/wiki/Q3198","display_name":"Photon","level":2,"score":0.3504999876022339},{"id":"https://openalex.org/C31601959","wikidata":"https://www.wikidata.org/wiki/Q931309","display_name":"Medical imaging","level":2,"score":0.3093999922275543},{"id":"https://openalex.org/C76935873","wikidata":"https://www.wikidata.org/wiki/Q209121","display_name":"Image sensor","level":2,"score":0.29910001158714294},{"id":"https://openalex.org/C9417928","wikidata":"https://www.wikidata.org/wiki/Q1070689","display_name":"Image processing","level":3,"score":0.29510000348091125},{"id":"https://openalex.org/C204323151","wikidata":"https://www.wikidata.org/wiki/Q905424","display_name":"Range (aeronautics)","level":2,"score":0.26579999923706055},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.2651999890804291},{"id":"https://openalex.org/C105339364","wikidata":"https://www.wikidata.org/wiki/Q2297740","display_name":"Software deployment","level":2,"score":0.2596000134944916},{"id":"https://openalex.org/C141379421","wikidata":"https://www.wikidata.org/wiki/Q6094427","display_name":"Iterative reconstruction","level":2,"score":0.2529999911785126}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.1145/3842503","doi":"https://doi.org/10.1145/3842503","is_oa":true,"landing_page_url":"https://doi.org/10.1145/3842503","pdf_url":null,"source":{"id":"https://openalex.org/S185367456","display_name":"ACM Transactions on Graphics","issn_l":"0730-0301","issn":["0730-0301","1557-7368"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","ccf-a","cwts-core","dongbi-a","jufo-3","norway-2","poland-140","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310319798","host_organization_name":"Association for Computing Machinery","host_organization_lineage":["https://openalex.org/P4310319798"],"host_organization_lineage_names":["Association for Computing Machinery"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"ACM Transactions on Graphics","raw_type":"journal-article"},{"id":"pmh:oai:arXiv.org:2609.16017","doi":null,"is_oa":true,"landing_page_url":"https://arxiv.org/abs/2609.16017","pdf_url":"https://arxiv.org/pdf/2609.16017","source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"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":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"text"},{"id":"doi:10.48550/arxiv.2609.16017","doi":"https://doi.org/10.48550/arxiv.2609.16017","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2609.16017","pdf_url":null,"source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"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":"cc-by-nc-sa","license_id":"https://openalex.org/licenses/cc-by-nc-sa","version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Preprint"}],"best_oa_location":{"id":"doi:10.1145/3842503","doi":"https://doi.org/10.1145/3842503","is_oa":true,"landing_page_url":"https://doi.org/10.1145/3842503","pdf_url":null,"source":{"id":"https://openalex.org/S185367456","display_name":"ACM Transactions on Graphics","issn_l":"0730-0301","issn":["0730-0301","1557-7368"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","ccf-a","cwts-core","dongbi-a","jufo-3","norway-2","poland-140","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310319798","host_organization_name":"Association for Computing Machinery","host_organization_lineage":["https://openalex.org/P4310319798"],"host_organization_lineage_names":["Association for Computing Machinery"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"ACM Transactions on Graphics","raw_type":"journal-article"},"sustainable_development_goals":[],"study_designs":[],"awards":[{"id":"https://openalex.org/G6033112984","display_name":null,"funder_award_id":"MICIU/AEI/10","funder_id":"https://openalex.org/F4320335322","funder_display_name":"European Regional Development Fund"},{"id":"https://openalex.org/G75290620","display_name":null,"funder_award_id":"PID2022\u2010141539NB\u2010I00","funder_id":"https://openalex.org/F4320335598","funder_display_name":"Agencia Estatal de Investigaci\u00f3n"},{"id":"https://openalex.org/G8422639123","display_name":null,"funder_award_id":"DE-NA0004196","funder_id":"https://openalex.org/F4320332369","funder_display_name":"National Nuclear Security Administration"},{"id":"https://openalex.org/G8906265241","display_name":null,"funder_award_id":"DE-NA0004196","funder_id":"https://openalex.org/F4320306084","funder_display_name":"U.S. Department of Energy"}],"funders":[{"id":"https://openalex.org/F4320306084","display_name":"U.S. Department of Energy","ror":"https://ror.org/01bj3aw27"},{"id":"https://openalex.org/F4320315062","display_name":"Ministerio de Ciencia, Innovaci\u00f3n y Universidades","ror":null},{"id":"https://openalex.org/F4320326208","display_name":"Gobierno de Arag\u00f3n","ror":"https://ror.org/0425pg203"},{"id":"https://openalex.org/F4320332369","display_name":"National Nuclear Security Administration","ror":"https://ror.org/03sk1we31"},{"id":"https://openalex.org/F4320335322","display_name":"European Regional Development Fund","ror":"https://ror.org/00k4n6c32"},{"id":"https://openalex.org/F4320335598","display_name":"Agencia Estatal de Investigaci\u00f3n","ror":"https://ror.org/003x0zc53"},{"id":"https://openalex.org/F4320338279","display_name":"Air Force Office of Scientific Research","ror":"https://ror.org/011e9bt93"}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W7213404493.pdf","grobid_xml":"https://content.openalex.org/works/W7213404493.grobid-xml"},"referenced_works_count":26,"referenced_works":["https://openalex.org/W2112858385","https://openalex.org/W2200308833","https://openalex.org/W2547798018","https://openalex.org/W2592180790","https://openalex.org/W2604237000","https://openalex.org/W2755257996","https://openalex.org/W2923839587","https://openalex.org/W2955172121","https://openalex.org/W2959851426","https://openalex.org/W2973672589","https://openalex.org/W2979611612","https://openalex.org/W2982077106","https://openalex.org/W3015038906","https://openalex.org/W3037629150","https://openalex.org/W3211822152","https://openalex.org/W4200468038","https://openalex.org/W4281643867","https://openalex.org/W4288391471","https://openalex.org/W4372262453","https://openalex.org/W4385276821","https://openalex.org/W4386071750","https://openalex.org/W4399499941","https://openalex.org/W4406273193","https://openalex.org/W4406947063","https://openalex.org/W4407237543","https://openalex.org/W7102738993"],"related_works":["https://openalex.org/W4384699056","https://openalex.org/W3108806942","https://openalex.org/W3024020995","https://openalex.org/W3134999436","https://openalex.org/W4398191633","https://openalex.org/W7126305066","https://openalex.org/W2945405500","https://openalex.org/W2804334988","https://openalex.org/W4412840401","https://openalex.org/W3006602903"],"abstract_inverted_index":{"Time-of-flight":[0],"non-line-of-sight":[1],"(NLOS)":[2],"imaging":[3,57,65,124,134,146,168],"recovers":[4],"information":[5,40,62],"from":[6,190],"hidden":[7,112,158,172,188,202],"objects":[8,153,189],"by":[9,198],"analyzing":[10],"the":[11,27,87,97],"time":[12],"of":[13,15,69,152],"flight":[14],"indirect":[16],"photons":[17,31,44],"scattered":[18],"on":[19,91,200],"a":[20,53,66,92,120,141],"visible":[21,93],"(relay)":[22],"wall.":[23,95,113],"Most":[24],"methods":[25],"make":[26],"simplifying":[28],"assumption":[29],"that":[30,59,126],"travel":[32],"exclusively":[33],"three-bounce":[34],"paths,":[35],"thus":[36,193],"ignoring":[37],"other":[38,111],"useful":[39],"encoded":[41],"in":[42,137,154],"higher-order":[43,61,128],"(with,":[45],"e.g.,":[46],"four-":[47],"or":[48],"five-bounce":[49],"paths).":[50],"We":[51,74,130,162,182],"present":[52],"novel":[54],"cascaded":[55,133],"NLOS":[56,123,145,167],"approach":[58],"leverages":[60,127],"and":[63,71,139,149,157,176],"allows":[64,116],"broader":[67],"range":[68],"single-":[70],"multi-corner":[72],"scenarios.":[73],"combine":[75],"ultra-fast":[76],"laser":[77],"scanning":[78],"with":[79,140,147,170],"recent":[80],"time-gated":[81],"2D":[82],"sensor":[83],"arrays":[84],"to":[85,118,186],"capture":[86],"scene's":[88],"impulse":[89,99,107],"response":[90,108],"relay":[94],"From":[96],"captured":[98],"response,":[100],"our":[101,132],"method":[102,135],"computes":[103],"an":[104],"analogous":[105],"virtual":[106,122],"at":[109],"any":[110],"This":[114],"effectively":[115],"us":[117],"concatenate":[119],"second,":[121],"system":[125],"illumination.":[129],"validate":[131],"both":[136],"simulation":[138],"real":[142],"prototype,":[143],"demonstrating":[144],"fourth-":[148],"fifth-bounce":[150],"illumination":[151],"challenging":[155],"orientations":[156],"around":[159],"two":[160],"corners.":[161],"also":[163],"analyze":[164],"how":[165,185],"wave-based":[166],"interacts":[169],"rough":[171],"walls,":[173],"which":[174],"explains":[175],"helps":[177],"overcome":[178],"existing":[179],"visibility":[180],"limitations.":[181],"further":[183],"illustrate":[184],"image":[187],"different":[191],"perspectives,":[192],"observing":[194],"previously":[195],"unseen":[196],"features,":[197],"relying":[199],"multiple":[201],"walls.":[203]},"counts_by_year":[],"updated_date":"2026-11-11T12:16:26.678958","created_date":"2026-09-17T00:00:00"}