{"id":"https://openalex.org/W4392910605","doi":"https://doi.org/10.1109/icassp48485.2024.10446550","title":"FDC-NeRF: Learning Pose-Free Neural Radiance Fields with Flow-Depth Consistency","display_name":"FDC-NeRF: Learning Pose-Free Neural Radiance Fields with Flow-Depth Consistency","publication_year":2024,"publication_date":"2024-03-18","ids":{"openalex":"https://openalex.org/W4392910605","doi":"https://doi.org/10.1109/icassp48485.2024.10446550"},"language":"en","primary_location":{"id":"doi:10.1109/icassp48485.2024.10446550","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icassp48485.2024.10446550","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"ICASSP 2024 - 2024 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/A5052845830","display_name":"Huachen Gao","orcid":"https://orcid.org/0000-0002-5981-8566"},"institutions":[{"id":"https://openalex.org/I20231570","display_name":"Peking University","ror":"https://ror.org/02v51f717","country_code":"CN","type":"education","lineage":["https://openalex.org/I20231570"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Huachen Gao","raw_affiliation_strings":["Peking University,School of Electronic and Computer Engineering,China","School of Electronic and Computer Engineering, Peking University, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Peking University,School of Electronic and Computer Engineering,China","institution_ids":["https://openalex.org/I20231570"]},{"raw_affiliation_string":"School of Electronic and Computer Engineering, Peking University, China","institution_ids":["https://openalex.org/I20231570"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5102631578","display_name":"Shihe Shen","orcid":null},"institutions":[{"id":"https://openalex.org/I20231570","display_name":"Peking University","ror":"https://ror.org/02v51f717","country_code":"CN","type":"education","lineage":["https://openalex.org/I20231570"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Shihe Shen","raw_affiliation_strings":["Peking University,School of Electronic and Computer Engineering,China","School of Electronic and Computer Engineering, Peking University, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Peking University,School of Electronic and Computer Engineering,China","institution_ids":["https://openalex.org/I20231570"]},{"raw_affiliation_string":"School of Electronic and Computer Engineering, Peking University, China","institution_ids":["https://openalex.org/I20231570"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100443033","display_name":"Zhe Zhang","orcid":"https://orcid.org/0000-0003-2365-2362"},"institutions":[{"id":"https://openalex.org/I20231570","display_name":"Peking University","ror":"https://ror.org/02v51f717","country_code":"CN","type":"education","lineage":["https://openalex.org/I20231570"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zhe Zhang","raw_affiliation_strings":["Peking University,School of Electronic and Computer Engineering,China","School of Electronic and Computer Engineering, Peking University, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Peking University,School of Electronic and Computer Engineering,China","institution_ids":["https://openalex.org/I20231570"]},{"raw_affiliation_string":"School of Electronic and Computer Engineering, Peking University, China","institution_ids":["https://openalex.org/I20231570"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5054551967","display_name":"Kaiqiang Xiong","orcid":"https://orcid.org/0000-0002-9744-1173"},"institutions":[{"id":"https://openalex.org/I20231570","display_name":"Peking University","ror":"https://ror.org/02v51f717","country_code":"CN","type":"education","lineage":["https://openalex.org/I20231570"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Kaiqiang Xiong","raw_affiliation_strings":["Peking University,School of Electronic and Computer Engineering,China","School of Electronic and Computer Engineering, Peking University, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Peking University,School of Electronic and Computer Engineering,China","institution_ids":["https://openalex.org/I20231570"]},{"raw_affiliation_string":"School of Electronic and Computer Engineering, Peking University, China","institution_ids":["https://openalex.org/I20231570"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5024711507","display_name":"Rui Peng","orcid":"https://orcid.org/0000-0002-1208-6636"},"institutions":[{"id":"https://openalex.org/I20231570","display_name":"Peking University","ror":"https://ror.org/02v51f717","country_code":"CN","type":"education","lineage":["https://openalex.org/I20231570"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Rui Peng","raw_affiliation_strings":["Peking University,School of Electronic and Computer Engineering,China","School of Electronic and Computer Engineering, Peking University, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Peking University,School of Electronic and Computer Engineering,China","institution_ids":["https://openalex.org/I20231570"]},{"raw_affiliation_string":"School of Electronic and Computer Engineering, Peking University, China","institution_ids":["https://openalex.org/I20231570"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5028881912","display_name":"Zhirui Gao","orcid":"https://orcid.org/0000-0002-7108-7962"},"institutions":[{"id":"https://openalex.org/I170215575","display_name":"National University of Defense Technology","ror":"https://ror.org/05d2yfz11","country_code":"CN","type":"education","lineage":["https://openalex.org/I170215575"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zhirui Gao","raw_affiliation_strings":["National University of Defense Technology,China","National University of Defense Technology, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"National University of Defense Technology,China","institution_ids":["https://openalex.org/I170215575"]},{"raw_affiliation_string":"National University of Defense Technology, China","institution_ids":["https://openalex.org/I170215575"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100341303","display_name":"Qi Wang","orcid":"https://orcid.org/0000-0002-5287-6050"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Qi Wang","raw_affiliation_strings":["MIGU Video Co., Ltd.,China","MIGU Video Co., Ltd., China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"MIGU Video Co., Ltd.,China","institution_ids":[]},{"raw_affiliation_string":"MIGU Video Co., Ltd., China","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101319316","display_name":"Yugui Xie","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Yugui Xie","raw_affiliation_strings":["MIGU Video Co., Ltd.,China","MIGU Video Co., Ltd., China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"MIGU Video Co., Ltd.,China","institution_ids":[]},{"raw_affiliation_string":"MIGU Video Co., Ltd., China","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5050071143","display_name":"Ronggang Wang","orcid":"https://orcid.org/0000-0003-0873-0465"},"institutions":[{"id":"https://openalex.org/I20231570","display_name":"Peking University","ror":"https://ror.org/02v51f717","country_code":"CN","type":"education","lineage":["https://openalex.org/I20231570"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Ronggang Wang","raw_affiliation_strings":["Peking University,School of Electronic and Computer Engineering,China","School of Electronic and Computer Engineering, Peking University, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Peking University,School of Electronic and Computer Engineering,China","institution_ids":["https://openalex.org/I20231570"]},{"raw_affiliation_string":"School of Electronic and Computer Engineering, Peking University, China","institution_ids":["https://openalex.org/I20231570"]}]}],"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":7,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"3615","last_page":"3619"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12859","display_name":"Cell Image Analysis Techniques","score":0.9819999933242798,"subfield":{"id":"https://openalex.org/subfields/1304","display_name":"Biophysics"},"field":{"id":"https://openalex.org/fields/13","display_name":"Biochemistry, Genetics and Molecular Biology"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},"topics":[{"id":"https://openalex.org/T12859","display_name":"Cell Image Analysis Techniques","score":0.9819999933242798,"subfield":{"id":"https://openalex.org/subfields/1304","display_name":"Biophysics"},"field":{"id":"https://openalex.org/fields/13","display_name":"Biochemistry, Genetics and Molecular Biology"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T10320","display_name":"Neural Networks and Applications","score":0.9696999788284302,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"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/T10052","display_name":"Medical Image Segmentation Techniques","score":0.9672999978065491,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/radiance","display_name":"Radiance","score":0.6741679906845093},{"id":"https://openalex.org/keywords/consistency","display_name":"Consistency (knowledge bases)","score":0.5956974625587463},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5764930844306946},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.5120008587837219},{"id":"https://openalex.org/keywords/flow","display_name":"Flow (mathematics)","score":0.45973148941993713},{"id":"https://openalex.org/keywords/artificial-neural-network","display_name":"Artificial neural network","score":0.43197494745254517},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.41003286838531494},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.2122715711593628},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.1636015772819519},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.1424005627632141},{"id":"https://openalex.org/keywords/geometry","display_name":"Geometry","score":0.0608210563659668}],"concepts":[{"id":"https://openalex.org/C23690007","wikidata":"https://www.wikidata.org/wiki/Q1411145","display_name":"Radiance","level":2,"score":0.6741679906845093},{"id":"https://openalex.org/C2776436953","wikidata":"https://www.wikidata.org/wiki/Q5163215","display_name":"Consistency (knowledge bases)","level":2,"score":0.5956974625587463},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5764930844306946},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.5120008587837219},{"id":"https://openalex.org/C38349280","wikidata":"https://www.wikidata.org/wiki/Q1434290","display_name":"Flow (mathematics)","level":2,"score":0.45973148941993713},{"id":"https://openalex.org/C50644808","wikidata":"https://www.wikidata.org/wiki/Q192776","display_name":"Artificial neural network","level":2,"score":0.43197494745254517},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.41003286838531494},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.2122715711593628},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.1636015772819519},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.1424005627632141},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0608210563659668}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/icassp48485.2024.10446550","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icassp48485.2024.10446550","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"ICASSP 2024 - 2024 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/10","score":0.4000000059604645,"display_name":"Reduced inequalities"}],"awards":[{"id":"https://openalex.org/G3887166938","display_name":null,"funder_award_id":"U21B2012","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G6586061775","display_name":"\u57fa\u4e8e\u6df1\u5ea6\u5b66\u4e60\u7684\u81ea\u7531\u89c6\u70b9\u89c6\u9891\u5173\u952e\u6280\u672f\u7814\u7a76","funder_award_id":"62072013","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":25,"referenced_works":["https://openalex.org/W2122572959","https://openalex.org/W2296073425","https://openalex.org/W2471962767","https://openalex.org/W2738551266","https://openalex.org/W2962785568","https://openalex.org/W2962793285","https://openalex.org/W2963891416","https://openalex.org/W3043075211","https://openalex.org/W3092948912","https://openalex.org/W3109585842","https://openalex.org/W3112108866","https://openalex.org/W3130983693","https://openalex.org/W3172468630","https://openalex.org/W3203257492","https://openalex.org/W3215023725","https://openalex.org/W4214502182","https://openalex.org/W4214520160","https://openalex.org/W4214564845","https://openalex.org/W4214579621","https://openalex.org/W4237648096","https://openalex.org/W4312379959","https://openalex.org/W4386066457","https://openalex.org/W6784492152","https://openalex.org/W6790818473","https://openalex.org/W6846236711"],"related_works":["https://openalex.org/W2896728493","https://openalex.org/W2392142157","https://openalex.org/W2043512367","https://openalex.org/W4321518006","https://openalex.org/W2331836163","https://openalex.org/W1994657804","https://openalex.org/W2005276308","https://openalex.org/W1970182911","https://openalex.org/W2024462231","https://openalex.org/W2347721387"],"abstract_inverted_index":{"Learning":[0],"neural":[1],"radiance":[2],"fields":[3],"(NeRF)":[4],"without":[5],"camera":[6,28,41,69],"poses":[7],"has":[8],"been":[9],"widely":[10],"studied.":[11],"However,":[12],"recent":[13],"methods":[14],"lack":[15],"explicit":[16],"and":[17,30,60,101,115,131],"effective":[18],"supervision":[19],"for":[20,68],"pose":[21,29,70,96,132],"estimation,":[22],"resulting":[23],"in":[24,37,55,98,107,125],"ambiguous":[25],"optimization":[26,71],"of":[27,95,105],"NeRF":[31],"geometry":[32],"during":[33],"joint":[34],"training,":[35],"particularly":[36],"scenarios":[38],"involving":[39],"large":[40],"movements.":[42],"In":[43],"this":[44],"paper,":[45],"we":[46,77],"propose":[47],"FDCNeRF":[48],"that":[49,119],"leverages":[50],"the":[51,56,85,93,103,112],"direction":[52],"information":[53],"contained":[54],"RGB-based":[57],"optical":[58],"flow":[59,63],"depth-based":[61],"virtual":[62],"as":[64],"a":[65],"direct":[66],"guidance":[67],"to":[72,83],"reduce":[73],"pose-geometry":[74],"ambiguity.":[75],"Additionally,":[76],"introduce":[78],"Adaptive":[79],"Pose-Aware":[80],"Sampling":[81],"(APAS)":[82],"replace":[84],"previous":[86],"random":[87],"ray":[88],"sampling":[89],"strategy,":[90],"which":[91],"reduces":[92],"difficulty":[94],"learning":[97],"early":[99],"stages":[100],"preserves":[102],"diversity":[104],"rays":[106],"later":[108],"stages.":[109],"Experiments":[110],"on":[111],"challenging":[113],"Tanks":[114],"Temples":[116],"dataset":[117],"demonstrate":[118],"our":[120],"method":[121],"achieves":[122],"state-of-the-art":[123],"results":[124],"both":[126],"novel":[127],"view":[128],"synthesis":[129],"quality":[130],"estimation":[133],"accuracy.":[134]},"counts_by_year":[{"year":2026,"cited_by_count":2},{"year":2025,"cited_by_count":2},{"year":2024,"cited_by_count":3}],"updated_date":"2026-07-14T23:27:15.235271","created_date":"2025-10-10T00:00:00"}