{"work":{"id":"35eb7aa1-d0a2-4c48-8ea1-2b83cdedc747","openalex_id":null,"doi":null,"arxiv_id":"2102.07064","raw_key":null,"title":"NeRF −−: Neural radiance fields without known camera parameters,","authors":null,"authors_text":"Z","year":2021,"venue":null,"abstract":null,"external_url":"https://arxiv.org/abs/2102.07064","cited_by_count":null,"metadata_source":"arxiv_reference","metadata_fetched_at":"2026-05-24T10:34:20.509150+00:00","pith_arxiv_id":null,"created_at":"2026-05-10T05:25:54.560651+00:00","updated_at":"2026-05-24T10:34:20.509150+00:00","title_quality_ok":true,"display_title":"Nerf–: Neural radiance fields without known camera parameters","render_title":"Nerf–: Neural radiance fields without known camera parameters"},"hub":{"state":{"work_id":"35eb7aa1-d0a2-4c48-8ea1-2b83cdedc747","tier":"hub","tier_reason":"10+ Pith inbound or 1,000+ external citations","pith_inbound_count":10,"external_cited_by_count":null,"distinct_field_count":2,"first_pith_cited_at":"2022-10-01T21:35:11+00:00","last_pith_cited_at":"2026-05-14T09:32:12+00:00","author_build_status":"not_needed","summary_status":"needed","contexts_status":"needed","graph_status":"needed","ask_index_status":"not_needed","reader_status":"not_needed","recognition_status":"not_needed","updated_at":"2026-05-28T10:48:31.523388+00:00","tier_text":"hub"},"tier":"hub","role_counts":[{"context_role":"background","n":1}],"polarity_counts":[{"context_polarity":"background","n":1}],"runs":{},"summary":{},"graph":{},"authors":[]}}