{"id":"https://openalex.org/W3006252316","doi":"https://doi.org/10.1109/access.2020.2974010","title":"Subjective Assessment of 360\u00b0 Image Projection Formats","display_name":"Subjective Assessment of 360\u00b0 Image Projection Formats","publication_year":2020,"publication_date":"2020-01-01","ids":{"openalex":"https://openalex.org/W3006252316","doi":"https://doi.org/10.1109/access.2020.2974010","mag":"3006252316"},"language":"en","primary_location":{"id":"doi:10.1109/access.2020.2974010","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2020.2974010","pdf_url":"https://ieeexplore.ieee.org/ielx7/6287639/8948470/08999504.pdf","source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"is_in_doaj":true,"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":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Access","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://ieeexplore.ieee.org/ielx7/6287639/8948470/08999504.pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5063920396","display_name":"Tran Thi Uyen","orcid":"https://orcid.org/0000-0001-7402-0694"},"institutions":[{"id":"https://openalex.org/I28777354","display_name":"Sejong University","ror":"https://ror.org/00aft1q37","country_code":"KR","type":"education","lineage":["https://openalex.org/I28777354"]}],"countries":["KR"],"is_corresponding":true,"raw_author_name":"Tran Thi Hai Uyen","raw_affiliation_strings":["Department of Electrical Engineering, Sejong University, Seoul, South Korea"],"raw_orcid":"https://orcid.org/0000-0001-7402-0694","affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering, Sejong University, Seoul, South Korea","institution_ids":["https://openalex.org/I28777354"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5090900319","display_name":"Oh\u2010Jin Kwon","orcid":"https://orcid.org/0000-0002-9877-8982"},"institutions":[{"id":"https://openalex.org/I28777354","display_name":"Sejong University","ror":"https://ror.org/00aft1q37","country_code":"KR","type":"education","lineage":["https://openalex.org/I28777354"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Oh-Jin Kwon","raw_affiliation_strings":["Department of Electrical Engineering, Sejong University, Seoul, South Korea"],"raw_orcid":"https://orcid.org/0000-0002-9877-8982","affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering, Sejong University, Seoul, South Korea","institution_ids":["https://openalex.org/I28777354"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5011597062","display_name":"Seungcheol Choi","orcid":"https://orcid.org/0000-0002-2503-8799"},"institutions":[{"id":"https://openalex.org/I28777354","display_name":"Sejong University","ror":"https://ror.org/00aft1q37","country_code":"KR","type":"education","lineage":["https://openalex.org/I28777354"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Seungcheol Choi","raw_affiliation_strings":["Department of Electrical Engineering, Sejong University, Seoul, South Korea"],"raw_orcid":"https://orcid.org/0000-0002-2503-8799","affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering, Sejong University, Seoul, South Korea","institution_ids":["https://openalex.org/I28777354"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5101739691","display_name":"Ikram Hussain","orcid":"https://orcid.org/0000-0001-9888-6791"},"institutions":[{"id":"https://openalex.org/I28777354","display_name":"Sejong University","ror":"https://ror.org/00aft1q37","country_code":"KR","type":"education","lineage":["https://openalex.org/I28777354"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Ikram Hussain","raw_affiliation_strings":["Department of Electrical Engineering, Sejong University, Seoul, South Korea"],"raw_orcid":"https://orcid.org/0000-0001-9888-6791","affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering, Sejong University, Seoul, South Korea","institution_ids":["https://openalex.org/I28777354"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5063920396"],"corresponding_institution_ids":["https://openalex.org/I28777354"],"apc_list":{"value":1850,"currency":"USD","value_usd":1850},"apc_paid":{"value":1850,"currency":"USD","value_usd":1850},"fwci":0.3825,"has_fulltext":true,"cited_by_count":4,"citation_normalized_percentile":{"value":0.66611804,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":98},"biblio":{"volume":"8","issue":null,"first_page":"33588","last_page":"33599"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11408","display_name":"Advanced Optical Imaging Technologies","score":0.9957000017166138,"subfield":{"id":"https://openalex.org/subfields/2214","display_name":"Media Technology"},"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/T11408","display_name":"Advanced Optical Imaging Technologies","score":0.9957000017166138,"subfield":{"id":"https://openalex.org/subfields/2214","display_name":"Media Technology"},"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/T10531","display_name":"Advanced Vision and Imaging","score":0.9937000274658203,"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/T11165","display_name":"Image and Video Quality Assessment","score":0.9936000108718872,"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/computer-science","display_name":"Computer science","score":0.7954075932502747},{"id":"https://openalex.org/keywords/projection","display_name":"Projection (relational algebra)","score":0.776256263256073},{"id":"https://openalex.org/keywords/ranking","display_name":"Ranking (information retrieval)","score":0.7666106224060059},{"id":"https://openalex.org/keywords/image-quality","display_name":"Image quality","score":0.5323830842971802},{"id":"https://openalex.org/keywords/virtual-reality","display_name":"Virtual reality","score":0.5066421627998352},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.5005695819854736},{"id":"https://openalex.org/keywords/quality","display_name":"Quality (philosophy)","score":0.4630013108253479},{"id":"https://openalex.org/keywords/set","display_name":"Set (abstract data type)","score":0.4503803849220276},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.44740724563598633},{"id":"https://openalex.org/keywords/field","display_name":"Field (mathematics)","score":0.4320395290851593},{"id":"https://openalex.org/keywords/computer-graphics","display_name":"Computer graphics (images)","score":0.35682809352874756},{"id":"https://openalex.org/keywords/image","display_name":"Image (mathematics)","score":0.2979159951210022},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.13286584615707397},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.1177518367767334}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7954075932502747},{"id":"https://openalex.org/C57493831","wikidata":"https://www.wikidata.org/wiki/Q3134666","display_name":"Projection (relational algebra)","level":2,"score":0.776256263256073},{"id":"https://openalex.org/C189430467","wikidata":"https://www.wikidata.org/wiki/Q7293293","display_name":"Ranking (information retrieval)","level":2,"score":0.7666106224060059},{"id":"https://openalex.org/C55020928","wikidata":"https://www.wikidata.org/wiki/Q3813865","display_name":"Image quality","level":3,"score":0.5323830842971802},{"id":"https://openalex.org/C194969405","wikidata":"https://www.wikidata.org/wiki/Q170519","display_name":"Virtual reality","level":2,"score":0.5066421627998352},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.5005695819854736},{"id":"https://openalex.org/C2779530757","wikidata":"https://www.wikidata.org/wiki/Q1207505","display_name":"Quality (philosophy)","level":2,"score":0.4630013108253479},{"id":"https://openalex.org/C177264268","wikidata":"https://www.wikidata.org/wiki/Q1514741","display_name":"Set (abstract data type)","level":2,"score":0.4503803849220276},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.44740724563598633},{"id":"https://openalex.org/C9652623","wikidata":"https://www.wikidata.org/wiki/Q190109","display_name":"Field (mathematics)","level":2,"score":0.4320395290851593},{"id":"https://openalex.org/C121684516","wikidata":"https://www.wikidata.org/wiki/Q7600677","display_name":"Computer graphics (images)","level":1,"score":0.35682809352874756},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.2979159951210022},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.13286584615707397},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.1177518367767334},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0},{"id":"https://openalex.org/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.0},{"id":"https://openalex.org/C202444582","wikidata":"https://www.wikidata.org/wiki/Q837863","display_name":"Pure mathematics","level":1,"score":0.0},{"id":"https://openalex.org/C111472728","wikidata":"https://www.wikidata.org/wiki/Q9471","display_name":"Epistemology","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/access.2020.2974010","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2020.2974010","pdf_url":"https://ieeexplore.ieee.org/ielx7/6287639/8948470/08999504.pdf","source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"is_in_doaj":true,"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":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Access","raw_type":"journal-article"},{"id":"pmh:oai:doaj.org/article:51c9fe2399104104ab09bbf13907d64a","is_oa":true,"landing_page_url":"https://doaj.org/article/51c9fe2399104104ab09bbf13907d64a","pdf_url":null,"source":{"id":"https://openalex.org/S4306401280","display_name":"DOAJ (DOAJ: Directory of Open Access Journals)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-sa","license_id":"https://openalex.org/licenses/cc-by-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"IEEE Access, Vol 8, Pp 33588-33599 (2020)","raw_type":"article"}],"best_oa_location":{"id":"doi:10.1109/access.2020.2974010","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2020.2974010","pdf_url":"https://ieeexplore.ieee.org/ielx7/6287639/8948470/08999504.pdf","source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"is_in_doaj":true,"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":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Access","raw_type":"journal-article"},"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/9","score":0.5600000023841858,"display_name":"Industry, innovation and infrastructure"}],"awards":[{"id":"https://openalex.org/G1110223532","display_name":null,"funder_award_id":"2017-0-01667","funder_id":"https://openalex.org/F4320335489","funder_display_name":"Institute for Information and Communications Technology Promotion"},{"id":"https://openalex.org/G7275901445","display_name":null,"funder_award_id":"(No. 2017-0-01667, Development of the next-generation 360\u00b0 image/video format)","funder_id":"https://openalex.org/F4320322030","funder_display_name":"Ministry of Science, ICT and Future Planning"}],"funders":[{"id":"https://openalex.org/F4320322030","display_name":"Ministry of Science, ICT and Future Planning","ror":"https://ror.org/032e49973"},{"id":"https://openalex.org/F4320328359","display_name":"Ministry of Science and ICT, South Korea","ror":"https://ror.org/01wpjm123"},{"id":"https://openalex.org/F4320335489","display_name":"Institute for Information and Communications Technology Promotion","ror":"https://ror.org/01g0hqq23"}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W3006252316.pdf","grobid_xml":"https://content.openalex.org/works/W3006252316.grobid-xml"},"referenced_works_count":19,"referenced_works":["https://openalex.org/W1963907270","https://openalex.org/W1987931295","https://openalex.org/W1993721485","https://openalex.org/W2009771674","https://openalex.org/W2036477522","https://openalex.org/W2048132727","https://openalex.org/W2065432514","https://openalex.org/W2102525821","https://openalex.org/W2171133996","https://openalex.org/W2226523001","https://openalex.org/W2611915171","https://openalex.org/W2767836774","https://openalex.org/W2777927197","https://openalex.org/W2781643939","https://openalex.org/W2793718471","https://openalex.org/W2794048546","https://openalex.org/W2890110575","https://openalex.org/W2944203795","https://openalex.org/W2963975576"],"related_works":["https://openalex.org/W2188500270","https://openalex.org/W2303858293","https://openalex.org/W2915512527","https://openalex.org/W51364034","https://openalex.org/W2793336762","https://openalex.org/W2091548507","https://openalex.org/W2368816706","https://openalex.org/W3159414774","https://openalex.org/W4294974825","https://openalex.org/W2967400911"],"abstract_inverted_index":{"Recently,":[0],"the":[1,29,47,51,64,68,85,89,94,98,101,125,143,150,161,171,177,184,201,212,217,223,226,240,250,262],"use":[2],"of":[3,28,50,74,88,100,111,116,149,225,242,252],"virtual":[4,30,39],"reality":[5,31],"has":[6],"been":[7,59],"spreading":[8],"rapidly":[9],"in":[10,25,93,136,194],"many":[11,55],"industrial":[12],"fields,":[13],"such":[14],"as":[15,106],"games":[16],"and":[17,19,61,97,128,155,190,207,235],"entertainment,":[18],"360\u00b0":[20,35,52,113,132,243,268],"contents":[21,36],"are":[22,76],"widely":[23,191],"used":[24,92,105,135,192],"various":[26],"applications":[27,75],"(VR)":[32],"market.":[33],"The":[34,139,180],"create":[37],"a":[38,72,122,147,266],"space":[40],"comparable":[41],"to":[42,83],"real":[43],"scenes.":[44],"Coupled":[45],"with":[46,164,216],"rapid":[48],"growth":[49],"image/video":[53],"field,":[54],"projection":[56,90,133,186,210,245,255],"formats":[57,91,134,256],"have":[58],"developed":[60],"published.":[62],"However,":[63],"studies":[65],"which":[66,175,257],"identify":[67],"best":[69,213,263],"format":[70,187,193,264],"for":[71,124,142,167,174,260,265],"variety":[73],"still":[77],"limited.":[78],"Therefore,":[79],"it":[80,228],"is":[81,229,258],"desirable":[82],"evaluate":[84],"visual":[86],"quality":[87,214],"current":[95],"market,":[96],"result":[99],"evaluation":[102],"can":[103],"be":[104],"an":[107],"important":[108],"consideration":[109],"capable":[110],"providing":[112],"VR":[114],"service":[115],"better":[117],"quality.":[118,203],"Here,":[119],"we":[120],"propose":[121],"methodology":[123,141],"subjective":[126,144,162],"test":[127,145,163,169],"briefly":[129],"present":[130],"ten":[131,253],"our":[137],"experiment.":[138],"proposed":[140,178],"uses":[146],"combination":[148],"Degradation":[151],"Category":[152],"Rating":[153],"(DCR)":[154],"Pair":[156],"Comparison":[157],"methods.":[158],"We":[159],"performed":[160],"15":[165],"participants":[166],"each":[168],"step,":[170],"experimental":[172],"set-up":[173],"followed":[176],"methodology.":[179],"results":[181,224],"show":[182],"that":[183,231],"equirectangular":[185],"(best":[188],"known":[189],"most":[195],"commercial":[196],"products)":[197],"did":[198],"not":[199,238],"give":[200],"highest":[202],"Hybrid":[204],"equiangular":[205],"cubemap":[206],"equatorial":[208],"cylindrical":[209],"gave":[211],"compared":[215],"other":[218],"eight":[219],"formats.":[220,246],"Based":[221],"on":[222],"DCR,":[227],"noted":[230],"different":[232],"monitors":[233],"(size":[234],"resolution)":[236],"do":[237],"affect":[239],"ranking":[241,251],"image":[244,269],"Our":[247],"work":[248],"presents":[249],"published":[254],"useful":[259],"identifying":[261],"future":[267],"standard.":[270]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2024,"cited_by_count":1},{"year":2022,"cited_by_count":1},{"year":2020,"cited_by_count":1}],"updated_date":"2026-05-06T08:25:59.206177","created_date":"2025-10-10T00:00:00"}