{"id":"https://openalex.org/W4408353618","doi":"https://doi.org/10.1109/icassp49660.2025.10889898","title":"LiRCDepth: Lightweight Radar-Camera Depth Estimation via Knowledge Distillation and Uncertainty Guidance","display_name":"LiRCDepth: Lightweight Radar-Camera Depth Estimation via Knowledge Distillation and Uncertainty Guidance","publication_year":2025,"publication_date":"2025-03-12","ids":{"openalex":"https://openalex.org/W4408353618","doi":"https://doi.org/10.1109/icassp49660.2025.10889898"},"language":"en","primary_location":{"id":"doi:10.1109/icassp49660.2025.10889898","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icassp49660.2025.10889898","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"ICASSP 2025 - 2025 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP)","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/A5066914140","display_name":"Huawei Sun","orcid":null},"institutions":[{"id":"https://openalex.org/I62916508","display_name":"Technical University of Munich","ror":"https://ror.org/02kkvpp62","country_code":"DE","type":"education","lineage":["https://openalex.org/I62916508"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Huawei Sun","raw_affiliation_strings":["Technical University of Munich,Munich,Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Technical University of Munich,Munich,Germany","institution_ids":["https://openalex.org/I62916508"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5085635306","display_name":"Nastassia Vysotskaya","orcid":"https://orcid.org/0000-0003-1367-7654"},"institutions":[{"id":"https://openalex.org/I137594350","display_name":"Infineon Technologies (Germany)","ror":"https://ror.org/005kw6t15","country_code":"DE","type":"company","lineage":["https://openalex.org/I137594350"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Nastassia Vysotskaya","raw_affiliation_strings":["Infineon Technologies AG,Neubiberg,Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Infineon Technologies AG,Neubiberg,Germany","institution_ids":["https://openalex.org/I137594350"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5093764600","display_name":"Tobias Sukianto","orcid":"https://orcid.org/0000-0003-4136-8453"},"institutions":[{"id":"https://openalex.org/I137594350","display_name":"Infineon Technologies (Germany)","ror":"https://ror.org/005kw6t15","country_code":"DE","type":"company","lineage":["https://openalex.org/I137594350"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Tobias Sukianto","raw_affiliation_strings":["Infineon Technologies AG,Neubiberg,Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Infineon Technologies AG,Neubiberg,Germany","institution_ids":["https://openalex.org/I137594350"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5046347563","display_name":"Hao Feng","orcid":"https://orcid.org/0009-0001-8807-6557"},"institutions":[{"id":"https://openalex.org/I62916508","display_name":"Technical University of Munich","ror":"https://ror.org/02kkvpp62","country_code":"DE","type":"education","lineage":["https://openalex.org/I62916508"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Hao Feng","raw_affiliation_strings":["Technical University of Munich,Munich,Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Technical University of Munich,Munich,Germany","institution_ids":["https://openalex.org/I62916508"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5034670462","display_name":"Julius Ott","orcid":"https://orcid.org/0000-0001-8259-3070"},"institutions":[{"id":"https://openalex.org/I62916508","display_name":"Technical University of Munich","ror":"https://ror.org/02kkvpp62","country_code":"DE","type":"education","lineage":["https://openalex.org/I62916508"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Julius Ott","raw_affiliation_strings":["Technical University of Munich,Munich,Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Technical University of Munich,Munich,Germany","institution_ids":["https://openalex.org/I62916508"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5025586107","display_name":"Xiangyuan Peng","orcid":"https://orcid.org/0009-0007-0742-8404"},"institutions":[{"id":"https://openalex.org/I62916508","display_name":"Technical University of Munich","ror":"https://ror.org/02kkvpp62","country_code":"DE","type":"education","lineage":["https://openalex.org/I62916508"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Xiangyuan Peng","raw_affiliation_strings":["Technical University of Munich,Munich,Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Technical University of Munich,Munich,Germany","institution_ids":["https://openalex.org/I62916508"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5015292011","display_name":"Lorenzo Servadei","orcid":"https://orcid.org/0000-0003-4322-834X"},"institutions":[{"id":"https://openalex.org/I62916508","display_name":"Technical University of Munich","ror":"https://ror.org/02kkvpp62","country_code":"DE","type":"education","lineage":["https://openalex.org/I62916508"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Lorenzo Servadei","raw_affiliation_strings":["Technical University of Munich,Munich,Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Technical University of Munich,Munich,Germany","institution_ids":["https://openalex.org/I62916508"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5004214923","display_name":"Robert Wille","orcid":"https://orcid.org/0000-0002-4993-7860"},"institutions":[{"id":"https://openalex.org/I62916508","display_name":"Technical University of Munich","ror":"https://ror.org/02kkvpp62","country_code":"DE","type":"education","lineage":["https://openalex.org/I62916508"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Robert Wille","raw_affiliation_strings":["Technical University of Munich,Munich,Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Technical University of Munich,Munich,Germany","institution_ids":["https://openalex.org/I62916508"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"5"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11038","display_name":"Advanced SAR Imaging Techniques","score":0.9934999942779541,"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"}},"topics":[{"id":"https://openalex.org/T11038","display_name":"Advanced SAR Imaging Techniques","score":0.9934999942779541,"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"}},{"id":"https://openalex.org/T12549","display_name":"Image and Object Detection Techniques","score":0.9890000224113464,"subfield":{"id":"https://openalex.org/subfields/1707","display_name":"Computer Vision and Pattern Recognition"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10191","display_name":"Robotics and Sensor-Based Localization","score":0.9879000186920166,"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/computer-science","display_name":"Computer science","score":0.6495660543441772},{"id":"https://openalex.org/keywords/radar","display_name":"Radar","score":0.5846649408340454},{"id":"https://openalex.org/keywords/estimation","display_name":"Estimation","score":0.5739485025405884},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.5102059841156006},{"id":"https://openalex.org/keywords/radar-imaging","display_name":"Radar imaging","score":0.48532170057296753},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.47019848227500916},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.42475634813308716},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.23395204544067383},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.16799062490463257},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.11477991938591003},{"id":"https://openalex.org/keywords/systems-engineering","display_name":"Systems engineering","score":0.10578849911689758}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6495660543441772},{"id":"https://openalex.org/C554190296","wikidata":"https://www.wikidata.org/wiki/Q47528","display_name":"Radar","level":2,"score":0.5846649408340454},{"id":"https://openalex.org/C96250715","wikidata":"https://www.wikidata.org/wiki/Q965330","display_name":"Estimation","level":2,"score":0.5739485025405884},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.5102059841156006},{"id":"https://openalex.org/C10929652","wikidata":"https://www.wikidata.org/wiki/Q7279985","display_name":"Radar imaging","level":3,"score":0.48532170057296753},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.47019848227500916},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.42475634813308716},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.23395204544067383},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.16799062490463257},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.11477991938591003},{"id":"https://openalex.org/C201995342","wikidata":"https://www.wikidata.org/wiki/Q682496","display_name":"Systems engineering","level":1,"score":0.10578849911689758}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/icassp49660.2025.10889898","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icassp49660.2025.10889898","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"ICASSP 2025 - 2025 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/13","display_name":"Climate action","score":0.5099999904632568}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":34,"referenced_works":["https://openalex.org/W1901129140","https://openalex.org/W2194775991","https://openalex.org/W2620998106","https://openalex.org/W2750432752","https://openalex.org/W2952787292","https://openalex.org/W2954054736","https://openalex.org/W2963163009","https://openalex.org/W2963488291","https://openalex.org/W2980467688","https://openalex.org/W3035574168","https://openalex.org/W3049435445","https://openalex.org/W3117012253","https://openalex.org/W3118453581","https://openalex.org/W3129529899","https://openalex.org/W3168472259","https://openalex.org/W3177390622","https://openalex.org/W3194042845","https://openalex.org/W4297505037","https://openalex.org/W4312460030","https://openalex.org/W4386076432","https://openalex.org/W4391768635","https://openalex.org/W4399938885","https://openalex.org/W4400650721","https://openalex.org/W4402716162","https://openalex.org/W4404002408","https://openalex.org/W4405787670","https://openalex.org/W6637551013","https://openalex.org/W6638523607","https://openalex.org/W6730179637","https://openalex.org/W6743188669","https://openalex.org/W6766261854","https://openalex.org/W6766978945","https://openalex.org/W6850556344","https://openalex.org/W6873611876"],"related_works":["https://openalex.org/W2121524756","https://openalex.org/W2576994247","https://openalex.org/W2608353378","https://openalex.org/W4249206767","https://openalex.org/W782553550","https://openalex.org/W1987967678","https://openalex.org/W2563559453","https://openalex.org/W4313855562","https://openalex.org/W2091422131","https://openalex.org/W2742737769"],"abstract_inverted_index":{"Recently,":[0],"radar-camera":[1,23,45],"fusion":[2],"algorithms":[3,26],"have":[4],"gained":[5],"significant":[6],"attention":[7],"as":[8],"radar":[9],"sensors":[10],"provide":[11],"geometric":[12],"information":[13,60],"that":[14],"complements":[15],"the":[16,55,109,119,124],"limitations":[17],"of":[18],"cameras.":[19],"However,":[20],"most":[21],"existing":[22],"depth":[24,46,99],"estimation":[25,47],"focus":[27],"solely":[28],"on":[29,118],"improving":[30],"performance,":[31],"often":[32],"neglecting":[33],"computational":[34],"efficiency.":[35],"To":[36],"address":[37],"this":[38],"gap,":[39],"we":[40,89],"propose":[41],"LiRCDepth,":[42],"a":[43,62,113],"lightweight":[44,68,110],"model.":[48],"We":[49],"incorporate":[50],"knowledge":[51,106],"distillation":[52,94,107],"to":[53,66,96,123],"enhance":[54],"training":[56],"process,":[57],"transferring":[58],"critical":[59],"from":[61],"complex":[63],"teacher":[64],"model":[65,70,111,125],"our":[67,104],"student":[69],"in":[71,116],"three":[72],"key":[73],"domains.":[74],"Firstly,":[75],"low-level":[76],"and":[77,85],"high-level":[78],"features":[79],"are":[80],"transferred":[81],"by":[82],"incorporating":[83],"pixel-wise":[84],"pair-wise":[86],"distillation.":[87,128],"Additionally,":[88],"introduce":[90],"an":[91],"uncertainty-aware":[92],"inter-depth":[93],"loss":[95],"refine":[97],"intermediate":[98],"maps":[100],"during":[101],"decoding.":[102],"Leveraging":[103],"proposed":[105],"scheme,":[108],"achieves":[112],"6.6%":[114],"improvement":[115],"MAE":[117],"nuScenes":[120],"dataset":[121],"compared":[122],"trained":[126],"without":[127],"Code:":[129],"https://github.com/harborsarah/LiRCDepth":[130]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":1}],"updated_date":"2026-07-14T23:27:15.235271","created_date":"2025-10-10T00:00:00"}