{"id":"https://openalex.org/W2937084899","doi":"https://doi.org/10.1109/icassp.2019.8682203","title":"E-CNN: Accurate Spherical Camera Rotation Estimation via Uniformization of Distorted Optical Flow Fields","display_name":"E-CNN: Accurate Spherical Camera Rotation Estimation via Uniformization of Distorted Optical Flow Fields","publication_year":2019,"publication_date":"2019-04-16","ids":{"openalex":"https://openalex.org/W2937084899","doi":"https://doi.org/10.1109/icassp.2019.8682203","mag":"2937084899"},"language":"en","primary_location":{"id":"doi:10.1109/icassp.2019.8682203","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icassp.2019.8682203","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"ICASSP 2019 - 2019 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/A5043643094","display_name":"Dabae Kim","orcid":"https://orcid.org/0000-0003-4854-0658"},"institutions":[{"id":"https://openalex.org/I74801974","display_name":"The University of Tokyo","ror":"https://ror.org/057zh3y96","country_code":"JP","type":"education","lineage":["https://openalex.org/I74801974"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Dabae Kim","raw_affiliation_strings":["Department of Precision Engineering, The University of Tokyo, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Precision Engineering, The University of Tokyo, Japan","institution_ids":["https://openalex.org/I74801974"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5045114877","display_name":"Sarthak Pathak","orcid":"https://orcid.org/0000-0002-5271-1782"},"institutions":[{"id":"https://openalex.org/I74801974","display_name":"The University of Tokyo","ror":"https://ror.org/057zh3y96","country_code":"JP","type":"education","lineage":["https://openalex.org/I74801974"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Sarthak Pathak","raw_affiliation_strings":["Department of Precision Engineering, The University of Tokyo, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Precision Engineering, The University of Tokyo, Japan","institution_ids":["https://openalex.org/I74801974"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5103157205","display_name":"Alessandro Moro","orcid":"https://orcid.org/0000-0001-8711-0330"},"institutions":[{"id":"https://openalex.org/I74801974","display_name":"The University of Tokyo","ror":"https://ror.org/057zh3y96","country_code":"JP","type":"education","lineage":["https://openalex.org/I74801974"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Alessandro Moro","raw_affiliation_strings":["Department of Precision Engineering, The University of Tokyo, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Precision Engineering, The University of Tokyo, Japan","institution_ids":["https://openalex.org/I74801974"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5069375578","display_name":"Ren Komatsu","orcid":"https://orcid.org/0000-0002-6526-0802"},"institutions":[{"id":"https://openalex.org/I74801974","display_name":"The University of Tokyo","ror":"https://ror.org/057zh3y96","country_code":"JP","type":"education","lineage":["https://openalex.org/I74801974"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Ren Komatsu","raw_affiliation_strings":["Department of Precision Engineering, The University of Tokyo, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Precision Engineering, The University of Tokyo, Japan","institution_ids":["https://openalex.org/I74801974"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5021260328","display_name":"Atsushi Yamashita","orcid":"https://orcid.org/0000-0003-1280-069X"},"institutions":[{"id":"https://openalex.org/I74801974","display_name":"The University of Tokyo","ror":"https://ror.org/057zh3y96","country_code":"JP","type":"education","lineage":["https://openalex.org/I74801974"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Atsushi Yamashita","raw_affiliation_strings":["Department of Precision Engineering, The University of Tokyo, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Precision Engineering, The University of Tokyo, Japan","institution_ids":["https://openalex.org/I74801974"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5064103302","display_name":"Hajime Asama","orcid":"https://orcid.org/0000-0002-9482-497X"},"institutions":[{"id":"https://openalex.org/I74801974","display_name":"The University of Tokyo","ror":"https://ror.org/057zh3y96","country_code":"JP","type":"education","lineage":["https://openalex.org/I74801974"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Hajime Asama","raw_affiliation_strings":["Department of Precision Engineering, The University of Tokyo, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Precision Engineering, The University of Tokyo, Japan","institution_ids":["https://openalex.org/I74801974"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I74801974"],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":5,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"2232","last_page":"2236"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10531","display_name":"Advanced Vision and Imaging","score":0.9998999834060669,"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"}},"topics":[{"id":"https://openalex.org/T10531","display_name":"Advanced Vision and Imaging","score":0.9998999834060669,"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":0.9995999932289124,"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/T10638","display_name":"Optical measurement and interference techniques","score":0.9976999759674072,"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/uniformization","display_name":"Uniformization (probability theory)","score":0.7858258485794067},{"id":"https://openalex.org/keywords/optical-flow","display_name":"Optical flow","score":0.6999963521957397},{"id":"https://openalex.org/keywords/rotation","display_name":"Rotation (mathematics)","score":0.6647800803184509},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6420018672943115},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.5635135173797607},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.5397352576255798},{"id":"https://openalex.org/keywords/computer-graphics","display_name":"Computer graphics (images)","score":0.3823387324810028},{"id":"https://openalex.org/keywords/image","display_name":"Image (mathematics)","score":0.19869977235794067}],"concepts":[{"id":"https://openalex.org/C149260544","wikidata":"https://www.wikidata.org/wiki/Q7885142","display_name":"Uniformization (probability theory)","level":5,"score":0.7858258485794067},{"id":"https://openalex.org/C155542232","wikidata":"https://www.wikidata.org/wiki/Q736111","display_name":"Optical flow","level":3,"score":0.6999963521957397},{"id":"https://openalex.org/C74050887","wikidata":"https://www.wikidata.org/wiki/Q848368","display_name":"Rotation (mathematics)","level":2,"score":0.6647800803184509},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6420018672943115},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.5635135173797607},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.5397352576255798},{"id":"https://openalex.org/C121684516","wikidata":"https://www.wikidata.org/wiki/Q7600677","display_name":"Computer graphics (images)","level":1,"score":0.3823387324810028},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.19869977235794067},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.0},{"id":"https://openalex.org/C158917313","wikidata":"https://www.wikidata.org/wiki/Q4849964","display_name":"Balance equation","level":4,"score":0.0},{"id":"https://openalex.org/C98763669","wikidata":"https://www.wikidata.org/wiki/Q176645","display_name":"Markov chain","level":2,"score":0.0},{"id":"https://openalex.org/C163836022","wikidata":"https://www.wikidata.org/wiki/Q6771326","display_name":"Markov model","level":3,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/icassp.2019.8682203","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icassp.2019.8682203","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"ICASSP 2019 - 2019 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":27,"referenced_works":["https://openalex.org/W1522301498","https://openalex.org/W1665214252","https://openalex.org/W2044542697","https://openalex.org/W2048710758","https://openalex.org/W2085200465","https://openalex.org/W2113221323","https://openalex.org/W2157653924","https://openalex.org/W2168826976","https://openalex.org/W2200124539","https://openalex.org/W2220063164","https://openalex.org/W2411681238","https://openalex.org/W2560983328","https://openalex.org/W2564632156","https://openalex.org/W2598706937","https://openalex.org/W2738767782","https://openalex.org/W2751456471","https://openalex.org/W2801955291","https://openalex.org/W2890723583","https://openalex.org/W2891342280","https://openalex.org/W2963012943","https://openalex.org/W2963609011","https://openalex.org/W2964121744","https://openalex.org/W3106440972","https://openalex.org/W6631190155","https://openalex.org/W6637242042","https://openalex.org/W6746156960","https://openalex.org/W6763349780"],"related_works":["https://openalex.org/W1994169959","https://openalex.org/W2020531058","https://openalex.org/W1551379884","https://openalex.org/W2145716143","https://openalex.org/W4387306663","https://openalex.org/W4299557438","https://openalex.org/W2222733235","https://openalex.org/W2103501077","https://openalex.org/W4248248518","https://openalex.org/W2765606180"],"abstract_inverted_index":{"Spherical":[0],"cameras,":[1],"which":[2],"can":[3,54],"acquire":[4],"all-round":[5],"information,":[6],"are":[7,30],"effective":[8],"to":[9,71,105],"estimate":[10],"rotation":[11,82],"for":[12,32],"robotic":[13],"applications.":[14],"Recently,":[15],"Convolutional":[16],"Neural":[17,68],"Networks":[18],"have":[19],"shown":[20],"great":[21],"robustness":[22],"in":[23,43,48,89,99],"solving":[24],"such":[25],"regression":[26],"problems.":[27],"However":[28],"they":[29],"designed":[31],"planar":[33,50],"images":[34],"and":[35],"cannot":[36],"deal":[37],"with":[38],"the":[39,49,56,90,108],"non-uniform":[40],"distortion":[41],"present":[42],"spherical":[44,80],"images,":[45],"when":[46],"expressed":[47],"equirectangular":[51,91],"projection.":[52,92],"This":[53,75],"lower":[55,101],"accuracy":[57],"of":[58],"motion":[59],"estimation.":[60],"In":[61],"this":[62,73,97],"research,":[63],"we":[64],"propose":[65],"an":[66],"Equirectangular-Convolutional":[67],"Network":[69],"(E-CNN)":[70],"solve":[72],"issue.":[74],"novel":[76],"network":[77],"regresses":[78],"3D":[79],"camera":[81],"by":[83],"uniformizing":[84],"distorted":[85,109],"optical":[86,110],"flow":[87],"patterns":[88],"We":[93],"experimentally":[94],"show":[95],"that":[96],"results":[98],"consistently":[100],"error":[102],"as":[103],"opposed":[104],"learning":[106],"from":[107],"flow.":[111]},"counts_by_year":[{"year":2024,"cited_by_count":1},{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":1},{"year":2020,"cited_by_count":2}],"updated_date":"2026-07-14T23:27:15.235271","created_date":"2025-10-10T00:00:00"}