{"id":"https://openalex.org/W4403788108","doi":"https://doi.org/10.1109/iccv51701.2025.00897","title":"SDFit: 3D Object Pose and Shape by Fitting a Morphable SDF to a Single Image","display_name":"SDFit: 3D Object Pose and Shape by Fitting a Morphable SDF to a Single Image","publication_year":2025,"publication_date":"2025-10-19","ids":{"openalex":"https://openalex.org/W4403788108","doi":"https://doi.org/10.1109/iccv51701.2025.00897"},"language":"en","primary_location":{"id":"doi:10.1109/iccv51701.2025.00897","is_oa":false,"landing_page_url":"https://doi.org/10.1109/iccv51701.2025.00897","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2025 IEEE/CVF International Conference on Computer Vision (ICCV)","raw_type":"proceedings-article"},"type":"conference-paper","indexed_in":["arxiv","crossref","datacite"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://arxiv.org/pdf/2409.16178","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5081582182","display_name":"Dimitrije Anti\u0107","orcid":null},"institutions":[{"id":"https://openalex.org/I887064364","display_name":"University of Amsterdam","ror":"https://ror.org/04dkp9463","country_code":"NL","type":"education","lineage":["https://openalex.org/I887064364"]}],"countries":["NL"],"is_corresponding":false,"raw_author_name":"Dimitrije Anti\u0107","raw_affiliation_strings":["University of Amsterdam,The Netherlands"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Amsterdam,The Netherlands","institution_ids":["https://openalex.org/I887064364"]}]},{"author_position":"middle","author":{"id":null,"display_name":"Georgios Paschalidis","orcid":null},"institutions":[{"id":"https://openalex.org/I887064364","display_name":"University of Amsterdam","ror":"https://ror.org/04dkp9463","country_code":"NL","type":"education","lineage":["https://openalex.org/I887064364"]}],"countries":["NL"],"is_corresponding":false,"raw_author_name":"Georgios Paschalidis","raw_affiliation_strings":["University of Amsterdam,The Netherlands"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Amsterdam,The Netherlands","institution_ids":["https://openalex.org/I887064364"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101457551","display_name":"Shashank Tripathi","orcid":"https://orcid.org/0000-0002-0208-5090"},"institutions":[{"id":"https://openalex.org/I4210135521","display_name":"Max Planck Institute for Intelligent Systems","ror":"https://ror.org/04fq9j139","country_code":"DE","type":"facility","lineage":["https://openalex.org/I149899117","https://openalex.org/I4210135521"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Shashank Tripathi","raw_affiliation_strings":["Max Planck Institute for Intelligent Systems,T&#x00FC;bingen,Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Max Planck Institute for Intelligent Systems,T&#x00FC;bingen,Germany","institution_ids":["https://openalex.org/I4210135521"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5108081424","display_name":"Theo Gevers","orcid":null},"institutions":[{"id":"https://openalex.org/I887064364","display_name":"University of Amsterdam","ror":"https://ror.org/04dkp9463","country_code":"NL","type":"education","lineage":["https://openalex.org/I887064364"]}],"countries":["NL"],"is_corresponding":false,"raw_author_name":"Theo Gevers","raw_affiliation_strings":["University of Amsterdam,The Netherlands"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Amsterdam,The Netherlands","institution_ids":["https://openalex.org/I887064364"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5070332496","display_name":"Sai Kumar Dwivedi","orcid":null},"institutions":[{"id":"https://openalex.org/I4210135521","display_name":"Max Planck Institute for Intelligent Systems","ror":"https://ror.org/04fq9j139","country_code":"DE","type":"facility","lineage":["https://openalex.org/I149899117","https://openalex.org/I4210135521"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Sai Kumar Dwivedi","raw_affiliation_strings":["Max Planck Institute for Intelligent Systems,T&#x00FC;bingen,Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Max Planck Institute for Intelligent Systems,T&#x00FC;bingen,Germany","institution_ids":["https://openalex.org/I4210135521"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5070040247","display_name":"Dimitrios Tzionas","orcid":"https://orcid.org/0000-0002-7963-2582"},"institutions":[{"id":"https://openalex.org/I887064364","display_name":"University of Amsterdam","ror":"https://ror.org/04dkp9463","country_code":"NL","type":"education","lineage":["https://openalex.org/I887064364"]}],"countries":["NL"],"is_corresponding":false,"raw_author_name":"Dimitrios Tzionas","raw_affiliation_strings":["University of Amsterdam,The Netherlands"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Amsterdam,The Netherlands","institution_ids":["https://openalex.org/I887064364"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"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":"96116","last_page":"96226"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10719","display_name":"3D Shape Modeling and Analysis","score":0.9890999794006348,"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"}},"topics":[{"id":"https://openalex.org/T10719","display_name":"3D Shape Modeling and Analysis","score":0.9890999794006348,"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"}},{"id":"https://openalex.org/T11211","display_name":"3D Surveying and Cultural Heritage","score":0.9815000295639038,"subfield":{"id":"https://openalex.org/subfields/1907","display_name":"Geology"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T12290","display_name":"Human Motion and Animation","score":0.9794999957084656,"subfield":{"id":"https://openalex.org/subfields/2207","display_name":"Control and Systems Engineering"},"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/computer-vision","display_name":"Computer vision","score":0.6891626119613647},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.6507137417793274},{"id":"https://openalex.org/keywords/object","display_name":"Object (grammar)","score":0.6404715776443481},{"id":"https://openalex.org/keywords/image","display_name":"Image (mathematics)","score":0.5650027394294739},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5151578187942505}],"concepts":[{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.6891626119613647},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.6507137417793274},{"id":"https://openalex.org/C2781238097","wikidata":"https://www.wikidata.org/wiki/Q175026","display_name":"Object (grammar)","level":2,"score":0.6404715776443481},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.5650027394294739},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5151578187942505}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.1109/iccv51701.2025.00897","is_oa":false,"landing_page_url":"https://doi.org/10.1109/iccv51701.2025.00897","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2025 IEEE/CVF International Conference on Computer Vision (ICCV)","raw_type":"proceedings-article"},{"id":"pmh:oai:arXiv.org:2409.16178","is_oa":true,"landing_page_url":"http://arxiv.org/abs/2409.16178","pdf_url":"https://arxiv.org/pdf/2409.16178","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"},{"id":"doi:10.48550/arxiv.2409.16178","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2409.16178","pdf_url":null,"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":null,"is_accepted":false,"is_published":null,"raw_source_name":null,"raw_type":"Preprint"}],"best_oa_location":{"id":"pmh:oai:arXiv.org:2409.16178","is_oa":true,"landing_page_url":"http://arxiv.org/abs/2409.16178","pdf_url":"https://arxiv.org/pdf/2409.16178","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":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W2772917594","https://openalex.org/W2036807459","https://openalex.org/W2058170566","https://openalex.org/W2755342338","https://openalex.org/W2166024367","https://openalex.org/W3116076068","https://openalex.org/W2229312674","https://openalex.org/W2951359407","https://openalex.org/W2079911747","https://openalex.org/W1969923398"],"abstract_inverted_index":{"Recovering":[0],"3D":[1,35,51,121,150,165],"object":[2],"pose":[3,122,171],"and":[4,13,27,31,72,106,111,123,180,196,209,218],"shape":[5,29,143,151,166],"from":[6],"a":[7,11,88,103],"single":[8],"image":[9,116,179,191],"is":[10,17,213,240],"challenging":[12],"ill-posed":[14],"problem.":[15],"This":[16,95],"due":[18],"to":[19,49,58,114,216],"strong":[20],"(self-)occlusions,":[21],"depth":[22],"ambiguities,":[23],"the":[24,32,131,134,155,178,181,237],"vast":[25],"intra-":[26],"inter-class":[28],"variance,":[30],"lack":[33,63],"of":[34,136],"ground":[36],"truth":[37],"for":[38,68,141,161,206,226,234],"natural":[39],"images.":[40,60,228],"Existing":[41],"deep-network":[42],"methods":[43],"are":[44],"trained":[45],"on":[46,75,133,189,200],"synthetic":[47],"datasets":[48],"predict":[50],"shapes,":[52,138],"so":[53],"they":[54,62],"often":[55],"struggle":[56],"generalizing":[57,235],"real-world":[59],"Moreover,":[61,221],"an":[64,115,148],"explicit":[65],"feedback":[66],"loop":[67],"refining":[69,119],"noisy":[70],"estimates,":[71],"primarily":[73],"focus":[74],"geometry":[76],"without":[77],"directly":[78],"considering":[79],"pixel":[80],"alignment.":[81],"To":[82],"tackle":[83],"these":[84],"limitations,":[85],"we":[86],"develop":[87],"novel":[89],"render-and-compare":[90],"optimization":[91],"framework,":[92],"called":[93],"SDFit.":[94],"has":[96],"three":[97,190],"key":[98],"innovations:":[99],"First,":[100],"it":[101,222],"uses":[102],"learned":[104],"category-specific":[105],"morphable":[107],"signed-distance-function":[108],"(mSDF)":[109],"model,":[110],"fits":[112],"this":[113],"by":[117,129,157,172],"iteratively":[118],"both":[120],"shape.":[124],"The":[125],"mSDF":[126,182],"robustifies":[127],"inference":[128],"constraining":[130],"search":[132],"manifold":[135],"valid":[137],"while":[139],"allowing":[140],"arbitrary":[142],"topologies.":[144],"Second,":[145],"SDFit":[146,169,188,198,230],"retrieves":[147],"initial":[149],"that":[152],"likely":[153],"matches":[154],"image,":[156],"exploiting":[158],"foundational":[159,184],"models":[160],"efficient":[162],"look-up":[163],"into":[164],"databases.":[167],"Third,":[168],"initializes":[170],"establishing":[173],"rich":[174],"2D-3D":[175],"correspondences":[176],"between":[177],"through":[183],"features.":[185],"We":[186],"evaluate":[187],"datasets,":[192],"i.e.,":[193],"Pix3D,":[194],"Pascal3D+,":[195],"COMIC.":[197],"performs":[199],"par":[201],"with":[202],"SotA":[203],"feed-forward":[204],"networks":[205],"unoccluded":[207],"images":[208],"common":[210],"poses,":[211],"but":[212],"uniquely":[214],"robust":[215],"occlusions":[217],"uncommon":[219],"poses.":[220],"requires":[223],"no":[224],"retraining":[225],"unseen":[227],"Thus,":[229],"contributes":[231],"new":[232],"insights":[233],"in":[236],"wild.":[238],"Code":[239],"available":[241],"at":[242],"https://anticdimi.github.io/sdfit.":[243]},"counts_by_year":[],"updated_date":"2026-07-14T23:27:15.235271","created_date":"2025-10-10T00:00:00"}
