{"id":"https://openalex.org/W4309303820","doi":"https://doi.org/10.1145/3550340.3564234","title":"Sampling Neural Radiance Fields for Refractive Objects","display_name":"Sampling Neural Radiance Fields for Refractive Objects","publication_year":2022,"publication_date":"2022-11-18","ids":{"openalex":"https://openalex.org/W4309303820","doi":"https://doi.org/10.1145/3550340.3564234"},"language":"en","primary_location":{"id":"doi:10.1145/3550340.3564234","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3550340.3564234","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"SIGGRAPH Asia 2022 Technical Communications","raw_type":"proceedings-article"},"type":"preprint","indexed_in":["arxiv","crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://arxiv.org/pdf/2211.14799","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5070600251","display_name":"Jen-I Pan","orcid":"https://orcid.org/0000-0002-3843-4838"},"institutions":[{"id":"https://openalex.org/I25846049","display_name":"National Tsing Hua University","ror":"https://ror.org/00zdnkx70","country_code":"TW","type":"education","lineage":["https://openalex.org/I25846049"]}],"countries":["TW"],"is_corresponding":false,"raw_author_name":"Jen-I Pan","raw_affiliation_strings":["Department of Computer Science / CGV Lab, National Tsing Hua University, Taiwan"],"raw_orcid":"https://orcid.org/0000-0002-3843-4838","affiliations":[{"raw_affiliation_string":"Department of Computer Science / CGV Lab, National Tsing Hua University, Taiwan","institution_ids":["https://openalex.org/I25846049"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5045792838","display_name":"Jheng-Wei Su","orcid":"https://orcid.org/0000-0003-3148-002X"},"institutions":[{"id":"https://openalex.org/I25846049","display_name":"National Tsing Hua University","ror":"https://ror.org/00zdnkx70","country_code":"TW","type":"education","lineage":["https://openalex.org/I25846049"]}],"countries":["TW"],"is_corresponding":false,"raw_author_name":"Jheng-Wei Su","raw_affiliation_strings":["Department of Computer Science / CGV Lab, National Tsing Hua University, Taiwan"],"raw_orcid":"https://orcid.org/0000-0003-3148-002X","affiliations":[{"raw_affiliation_string":"Department of Computer Science / CGV Lab, National Tsing Hua University, Taiwan","institution_ids":["https://openalex.org/I25846049"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5024484854","display_name":"Kai\u2010Wen Hsiao","orcid":"https://orcid.org/0000-0002-3007-7274"},"institutions":[{"id":"https://openalex.org/I25846049","display_name":"National Tsing Hua University","ror":"https://ror.org/00zdnkx70","country_code":"TW","type":"education","lineage":["https://openalex.org/I25846049"]}],"countries":["TW"],"is_corresponding":false,"raw_author_name":"Kai-Wen Hsiao","raw_affiliation_strings":["Department of Computer Science / CGV Lab, National Tsing Hua University, Taiwan"],"raw_orcid":"https://orcid.org/0000-0002-3007-7274","affiliations":[{"raw_affiliation_string":"Department of Computer Science / CGV Lab, National Tsing Hua University, Taiwan","institution_ids":["https://openalex.org/I25846049"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5063300235","display_name":"Ting-Yu Yen","orcid":"https://orcid.org/0000-0001-9901-6608"},"institutions":[{"id":"https://openalex.org/I25846049","display_name":"National Tsing Hua University","ror":"https://ror.org/00zdnkx70","country_code":"TW","type":"education","lineage":["https://openalex.org/I25846049"]}],"countries":["TW"],"is_corresponding":false,"raw_author_name":"Ting-Yu Yen","raw_affiliation_strings":["Department of Computer Science / CGV Lab, National Tsing Hua University, Taiwan"],"raw_orcid":"https://orcid.org/0000-0001-9901-6608","affiliations":[{"raw_affiliation_string":"Department of Computer Science / CGV Lab, National Tsing Hua University, Taiwan","institution_ids":["https://openalex.org/I25846049"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5056045120","display_name":"Hung\u2010Kuo Chu","orcid":"https://orcid.org/0000-0001-7153-4411"},"institutions":[{"id":"https://openalex.org/I25846049","display_name":"National Tsing Hua University","ror":"https://ror.org/00zdnkx70","country_code":"TW","type":"education","lineage":["https://openalex.org/I25846049"]}],"countries":["TW"],"is_corresponding":false,"raw_author_name":"Hung-Kuo Chu","raw_affiliation_strings":["Department of Computer Science / CGV Lab, National Tsing Hua University, Taiwan"],"raw_orcid":"https://orcid.org/0000-0001-7153-4411","affiliations":[{"raw_affiliation_string":"Department of Computer Science / CGV Lab, National Tsing Hua University, Taiwan","institution_ids":["https://openalex.org/I25846049"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I25846049"],"apc_list":null,"apc_paid":null,"fwci":4.2235,"has_fulltext":false,"cited_by_count":13,"citation_normalized_percentile":{"value":0.96283784,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":95,"max":99},"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"4"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10481","display_name":"Computer Graphics and Visualization Techniques","score":0.9997000098228455,"subfield":{"id":"https://openalex.org/subfields/1704","display_name":"Computer Graphics and Computer-Aided Design"},"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/T10481","display_name":"Computer Graphics and Visualization Techniques","score":0.9997000098228455,"subfield":{"id":"https://openalex.org/subfields/1704","display_name":"Computer Graphics and Computer-Aided Design"},"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/T10531","display_name":"Advanced Vision and Imaging","score":0.9991999864578247,"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/T10719","display_name":"3D Shape Modeling and Analysis","score":0.9969000220298767,"subfield":{"id":"https://openalex.org/subfields/2206","display_name":"Computational Mechanics"},"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/rendering","display_name":"Rendering (computer graphics)","score":0.6448938846588135},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.59578537940979},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.5636287331581116},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.5454152822494507},{"id":"https://openalex.org/keywords/piecewise","display_name":"Piecewise","score":0.5242764353752136},{"id":"https://openalex.org/keywords/radiance","display_name":"Radiance","score":0.44117027521133423},{"id":"https://openalex.org/keywords/refractive-index","display_name":"Refractive index","score":0.4289700388908386},{"id":"https://openalex.org/keywords/eikonal-equation","display_name":"Eikonal equation","score":0.4262021780014038},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.3118894100189209},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.27985715866088867},{"id":"https://openalex.org/keywords/mathematical-analysis","display_name":"Mathematical analysis","score":0.16559651494026184},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.16252535581588745}],"concepts":[{"id":"https://openalex.org/C205711294","wikidata":"https://www.wikidata.org/wiki/Q176953","display_name":"Rendering (computer graphics)","level":2,"score":0.6448938846588135},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.59578537940979},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.5636287331581116},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.5454152822494507},{"id":"https://openalex.org/C164660894","wikidata":"https://www.wikidata.org/wiki/Q2037833","display_name":"Piecewise","level":2,"score":0.5242764353752136},{"id":"https://openalex.org/C23690007","wikidata":"https://www.wikidata.org/wiki/Q1411145","display_name":"Radiance","level":2,"score":0.44117027521133423},{"id":"https://openalex.org/C42067758","wikidata":"https://www.wikidata.org/wiki/Q174102","display_name":"Refractive index","level":2,"score":0.4289700388908386},{"id":"https://openalex.org/C40375134","wikidata":"https://www.wikidata.org/wiki/Q1303846","display_name":"Eikonal equation","level":2,"score":0.4262021780014038},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.3118894100189209},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.27985715866088867},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.16559651494026184},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.16252535581588745}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1145/3550340.3564234","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3550340.3564234","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"SIGGRAPH Asia 2022 Technical Communications","raw_type":"proceedings-article"},{"id":"pmh:oai:arXiv.org:2211.14799","is_oa":true,"landing_page_url":"http://arxiv.org/abs/2211.14799","pdf_url":"https://arxiv.org/pdf/2211.14799","source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"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":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"text"}],"best_oa_location":{"id":"pmh:oai:arXiv.org:2211.14799","is_oa":true,"landing_page_url":"http://arxiv.org/abs/2211.14799","pdf_url":"https://arxiv.org/pdf/2211.14799","source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"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":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"text"},"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/11","score":0.6499999761581421,"display_name":"Sustainable cities and communities"}],"awards":[{"id":"https://openalex.org/G6610002834","display_name":null,"funder_award_id":"110-2221-E-007 -060 -MY3,110-2221-E-007 -061 -MY3","funder_id":"https://openalex.org/F4320331164","funder_display_name":"National Science and Technology Council"}],"funders":[{"id":"https://openalex.org/F4320331164","display_name":"National Science and Technology Council","ror":"https://ror.org/00wnb9798"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":10,"referenced_works":["https://openalex.org/W2161852276","https://openalex.org/W3003293872","https://openalex.org/W3109585842","https://openalex.org/W3152559858","https://openalex.org/W3159241280","https://openalex.org/W3203570626","https://openalex.org/W4230093359","https://openalex.org/W4233754871","https://openalex.org/W4285981733","https://openalex.org/W4312679369"],"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/W2024462231","https://openalex.org/W2005276308","https://openalex.org/W1994657804","https://openalex.org/W1970182911","https://openalex.org/W1587123838"],"abstract_inverted_index":{"Recently,":[0],"differentiable":[1],"volume":[2,33,53,90],"rendering":[3,171],"in":[4,128,169],"neural":[5],"radiance":[6,86],"fields":[7,87],"(NeRF)":[8],"has":[9],"gained":[10],"a":[11,31,36,51,55,110,135],"lot":[12],"of":[13,76,88,109],"popularity,":[14],"and":[15,91,124,155,165,176],"its":[16],"variants":[17],"have":[18],"attained":[19],"many":[20],"impressive":[21],"results.":[22],"However,":[23],"existing":[24],"methods":[25],"usually":[26],"assume":[27],"the":[28,41,47,60,68,85,106,117,122,140,150,161,170],"scene":[29,48,111],"is":[30,38,49,112],"homogeneous":[32],"so":[34],"that":[35,146],"ray":[37],"cast":[39],"along":[40,134],"straight":[42],"path.":[43],"In":[44],"this":[45,103],"work,":[46],"instead":[50],"heterogeneous":[52],"with":[54,97],"piecewise-constant":[56],"refractive":[57,70,77,98,107,118],"index,":[58,119],"where":[59],"path":[61,137],"will":[62],"be":[63],"curved":[64,136],"if":[65],"it":[66],"intersects":[67],"different":[69],"indices.":[71],"For":[72],"novel":[73],"view":[74],"synthesis":[75],"objects,":[78],"our":[79,147],"NeRF-based":[80],"framework":[81,148],"aims":[82],"to":[83,130],"optimize":[84],"bounded":[89],"boundary":[92],"from":[93,114],"multi-view":[94],"posed":[95],"images":[96],"object":[99],"silhouettes.":[100,115],"To":[101],"tackle":[102],"challenging":[104],"problem,":[105],"index":[108],"reconstructed":[113],"Given":[116],"we":[120],"extend":[121],"stratified":[123],"hierarchical":[125],"sampling":[126],"techniques":[127],"NeRF":[129],"allow":[131],"drawing":[132],"samples":[133],"tracked":[138],"by":[139],"Eikonal":[141],"equation.":[142],"The":[143],"results":[144],"indicate":[145],"outperforms":[149],"state-of-the-art":[151],"method":[152],"both":[153],"quantitatively":[154],"qualitatively,":[156],"demonstrating":[157],"better":[158],"performance":[159],"on":[160,173],"perceptual":[162],"similarity":[163],"metric":[164],"an":[166],"apparent":[167],"improvement":[168],"quality":[172],"several":[174],"synthetic":[175],"real":[177],"scenes.":[178]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":3},{"year":2024,"cited_by_count":9}],"updated_date":"2026-07-03T08:13:44.112507","created_date":"2025-10-10T00:00:00"}