{"id":"https://openalex.org/W7137903607","doi":"https://doi.org/10.48550/arxiv.2603.14001","title":"PhyGaP: Physically-Grounded Gaussians with Polarization Cues","display_name":"PhyGaP: Physically-Grounded Gaussians with Polarization Cues","publication_year":2026,"publication_date":"2026-03-14","ids":{"openalex":"https://openalex.org/W7137903607","doi":"https://doi.org/10.48550/arxiv.2603.14001"},"language":null,"primary_location":{"id":"doi:10.48550/arxiv.2603.14001","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2603.14001","pdf_url":null,"source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"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":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Preprint"},"type":"preprint","indexed_in":["datacite"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://doi.org/10.48550/arxiv.2603.14001","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5129715830","display_name":"Jiale Wu","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Wu, Jiale","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100568943","display_name":"Xiaoyang Bai","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Bai, Xiaoyang","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5007970703","display_name":"Zongqi He","orcid":"https://orcid.org/0000-0003-1514-4181"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"He, Zongqi","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5129661318","display_name":"Weiwei Xu","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Xu, Weiwei","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5129693902","display_name":"Yifan Peng","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Peng, Yifan","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12050","display_name":"Optical Polarization and Ellipsometry","score":0.31850001215934753,"subfield":{"id":"https://openalex.org/subfields/2204","display_name":"Biomedical 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/T12050","display_name":"Optical Polarization and Ellipsometry","score":0.31850001215934753,"subfield":{"id":"https://openalex.org/subfields/2204","display_name":"Biomedical 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/T10481","display_name":"Computer Graphics and Visualization Techniques","score":0.15929999947547913,"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/T11408","display_name":"Advanced Optical Imaging Technologies","score":0.1454000025987625,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/rendering","display_name":"Rendering (computer graphics)","score":0.6521000266075134},{"id":"https://openalex.org/keywords/polarization","display_name":"Polarization (electrochemistry)","score":0.3833000063896179},{"id":"https://openalex.org/keywords/rgb-color-model","display_name":"RGB color model","score":0.3750999867916107},{"id":"https://openalex.org/keywords/gaussian","display_name":"Gaussian","score":0.3522000014781952},{"id":"https://openalex.org/keywords/real-time-rendering","display_name":"Real-time rendering","score":0.31290000677108765},{"id":"https://openalex.org/keywords/polarimetry","display_name":"Polarimetry","score":0.3093999922275543},{"id":"https://openalex.org/keywords/3d-rendering","display_name":"3D rendering","score":0.30230000615119934}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.70169997215271},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.6735000014305115},{"id":"https://openalex.org/C205711294","wikidata":"https://www.wikidata.org/wiki/Q176953","display_name":"Rendering (computer graphics)","level":2,"score":0.6521000266075134},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.6110000014305115},{"id":"https://openalex.org/C205049153","wikidata":"https://www.wikidata.org/wiki/Q2698605","display_name":"Polarization (electrochemistry)","level":2,"score":0.3833000063896179},{"id":"https://openalex.org/C121684516","wikidata":"https://www.wikidata.org/wiki/Q7600677","display_name":"Computer graphics (images)","level":1,"score":0.37700000405311584},{"id":"https://openalex.org/C82990744","wikidata":"https://www.wikidata.org/wiki/Q166194","display_name":"RGB color model","level":2,"score":0.3750999867916107},{"id":"https://openalex.org/C163716315","wikidata":"https://www.wikidata.org/wiki/Q901177","display_name":"Gaussian","level":2,"score":0.3522000014781952},{"id":"https://openalex.org/C116921373","wikidata":"https://www.wikidata.org/wiki/Q2816483","display_name":"Real-time rendering","level":3,"score":0.31290000677108765},{"id":"https://openalex.org/C28493345","wikidata":"https://www.wikidata.org/wiki/Q899381","display_name":"Polarimetry","level":3,"score":0.3093999922275543},{"id":"https://openalex.org/C36816356","wikidata":"https://www.wikidata.org/wiki/Q16911860","display_name":"3D rendering","level":3,"score":0.30230000615119934},{"id":"https://openalex.org/C89720835","wikidata":"https://www.wikidata.org/wiki/Q1531701","display_name":"Global illumination","level":3,"score":0.28540000319480896},{"id":"https://openalex.org/C151596937","wikidata":"https://www.wikidata.org/wiki/Q856980","display_name":"Bidirectional reflectance distribution function","level":3,"score":0.2849999964237213},{"id":"https://openalex.org/C178009071","wikidata":"https://www.wikidata.org/wiki/Q93344","display_name":"Trigonometric functions","level":2,"score":0.2809000015258789},{"id":"https://openalex.org/C141379421","wikidata":"https://www.wikidata.org/wiki/Q6094427","display_name":"Iterative reconstruction","level":2,"score":0.2768999934196472},{"id":"https://openalex.org/C44185422","wikidata":"https://www.wikidata.org/wiki/Q6002064","display_name":"Image-based modeling and rendering","level":3,"score":0.27149999141693115},{"id":"https://openalex.org/C108597893","wikidata":"https://www.wikidata.org/wiki/Q663650","display_name":"Reflectivity","level":2,"score":0.26809999346733093},{"id":"https://openalex.org/C146849305","wikidata":"https://www.wikidata.org/wiki/Q370766","display_name":"Ground truth","level":2,"score":0.263700008392334},{"id":"https://openalex.org/C194969405","wikidata":"https://www.wikidata.org/wiki/Q170519","display_name":"Virtual reality","level":2,"score":0.2581999897956848}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.48550/arxiv.2603.14001","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2603.14001","pdf_url":null,"source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"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":null,"is_accepted":false,"is_published":null,"raw_source_name":null,"raw_type":"Preprint"}],"best_oa_location":{"id":"doi:10.48550/arxiv.2603.14001","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2603.14001","pdf_url":null,"source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"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":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Preprint"},"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/11","display_name":"Sustainable cities and communities","score":0.6272586584091187}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":[],"abstract_inverted_index":{"Recent":[0],"advances":[1],"in":[2,11,62,137,150,154],"3D":[3,14,146],"Gaussian":[4],"Splatting":[5],"(3DGS)":[6],"have":[7],"demonstrated":[8],"great":[9],"success":[10],"modeling":[12],"reflective":[13,145],"objects":[15,147],"and":[16,39,41,59,81,102,122,141,152,170],"their":[17],"interaction":[18],"with":[19,31],"the":[20,55,139],"environment":[21,105],"via":[22],"deferred":[23,93],"rendering":[24,94,169],"(DR).":[25],"However,":[26],"existing":[27,159],"methods":[28,161],"often":[29],"struggle":[30],"correctly":[32],"reconstructing":[33,138],"physical":[34],"attributes":[35],"such":[36],"as":[37],"albedo":[38],"reflectance,":[40],"therefore":[42],"they":[43],"do":[44],"not":[45,134],"support":[46],"high-fidelity":[47],"relighting.":[48],"Observing":[49],"that":[50,72,132],"this":[51],"limitation":[52],"stems":[53],"from":[54],"lack":[56],"of":[57,85,114,144],"shape":[58],"material":[60],"information":[61],"RGB":[63],"images,":[64],"we":[65,89],"present":[66],"PhyGaP,":[67],"a":[68,91,103],"physically-grounded":[69],"3DGS":[70],"method":[71],"leverages":[73],"polarization":[74,99,130],"cues":[75],"to":[76,97,110],"facilitate":[77],"precise":[78],"reflection":[79],"decomposition":[80],"visually":[82],"consistent":[83],"relighting":[84,171],"reconstructed":[86],"objects.":[87,116],"Specifically,":[88],"design":[90],"polarimetric":[92],"(PolarDR)":[95],"process":[96],"model":[98],"by":[100],"reflection,":[101],"self-occlusion-aware":[104],"map":[106],"building":[107],"technique":[108],"(GridMap)":[109],"resolve":[111],"indirect":[112],"lighting":[113],"non-convex":[115],"We":[117],"validate":[118],"on":[119,162],"multiple":[120],"synthetic":[121],"real-world":[123],"scenes,":[124],"including":[125],"those":[126],"featuring":[127],"only":[128,135],"partial":[129],"cues,":[131],"PhyGaP":[133],"excels":[136],"appearance":[140],"surface":[142],"normal":[143],"(~2":[148],"dB":[149],"PSNR":[151],"45.7%":[153],"Cosine":[155],"Distance":[156],"better":[157],"than":[158],"RGB-based":[160],"average),":[163],"but":[164],"also":[165],"achieves":[166],"state-of-the-art":[167],"inverse":[168],"capability.":[172],"Our":[173],"code":[174],"will":[175],"be":[176],"released":[177],"soon.":[178]},"counts_by_year":[],"updated_date":"2026-07-28T07:46:37.118299","created_date":"2026-03-18T00:00:00"}