{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:WXKOU3PVICAIVL5WRLRNKIPD4J","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"98700f70cf174c421bf2ebfe6d8de500c9a6a0e82bf811c213a3e5bab23ae2a5","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2021-08-30T14:03:54Z","title_canon_sha256":"deeacbd0b73f9727a28377fa7945aada97410f546b07334edc1c0f3114f9a6d1"},"schema_version":"1.0","source":{"id":"2108.13246","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2108.13246","created_at":"2026-07-05T03:15:11Z"},{"alias_kind":"arxiv_version","alias_value":"2108.13246v2","created_at":"2026-07-05T03:15:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2108.13246","created_at":"2026-07-05T03:15:11Z"},{"alias_kind":"pith_short_12","alias_value":"WXKOU3PVICAI","created_at":"2026-07-05T03:15:11Z"},{"alias_kind":"pith_short_16","alias_value":"WXKOU3PVICAIVL5W","created_at":"2026-07-05T03:15:11Z"},{"alias_kind":"pith_short_8","alias_value":"WXKOU3PV","created_at":"2026-07-05T03:15:11Z"}],"graph_snapshots":[{"event_id":"sha256:a89b5ad9f01f2c30273bae63ed46f801f823fd58b082306cfcf2136a10037ce2","target":"graph","created_at":"2026-07-05T03:15:11Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2108.13246/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"This report summarizes the results of Learning to Understand Aerial Images (LUAI) 2021 challenge held on ICCV 2021, which focuses on object detection and semantic segmentation in aerial images. Using DOTA-v2.0 and GID-15 datasets, this challenge proposes three tasks for oriented object detection, horizontal object detection, and semantic segmentation of common categories in aerial images. This challenge received a total of 146 registrations on the three tasks. Through the challenge, we hope to draw attention from a wide range of communities and call for more efforts on the problems of learning","authors_text":"Chang Meng, Chao-hui Yu, Fang Liu, Gui-Song Xia, Hao Wang, Jiahao Wang, Jiaming Han, Jian Ding, Jiaxuan Zhao, Jiebo Luo, Jie Zhang, Kaixuan Hu, Liangpei Zhang, Licheng Jiao, Lingqi Wang, Marcello Pelillo, Michael Ying Yang, Mihai Datcu, Ming Qian, Nan Xue, Qiang Zhou, Qianyue Bao, Serge Belongie, Shang Liu, Shengyang Li, Tianzhi Ma, Wei Li, Wenming Tan, Xiang Bai, Yiming Hui, Yingjia Bu, Yi Zuo, Zhe Yang, Zhuojun Dong, Zi-han Gao, Zixiao Zhang","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2021-08-30T14:03:54Z","title":"LUAI Challenge 2021 on Learning to Understand Aerial Images"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2108.13246","kind":"arxiv","version":2},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:dca318760f53187a1a55a7559bff5b714460fe951cc9a2d48c53e5538ab20ae7","target":"record","created_at":"2026-07-05T03:15:11Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"98700f70cf174c421bf2ebfe6d8de500c9a6a0e82bf811c213a3e5bab23ae2a5","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2021-08-30T14:03:54Z","title_canon_sha256":"deeacbd0b73f9727a28377fa7945aada97410f546b07334edc1c0f3114f9a6d1"},"schema_version":"1.0","source":{"id":"2108.13246","kind":"arxiv","version":2}},"canonical_sha256":"b5d4ea6df540808aafb68ae2d521e3e251137f1e80c6e7fb0d47a2aa7081cd51","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b5d4ea6df540808aafb68ae2d521e3e251137f1e80c6e7fb0d47a2aa7081cd51","first_computed_at":"2026-07-05T03:15:11.726654Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T03:15:11.726654Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"KadGjhiD5JqU8+Jw5AMYnMq8wmJUlKOJPflLuYXqrkd4KAz1K1yM6qeuRVRBPPXSxSdug2lThZ1FyKi4RfnbAQ==","signature_status":"signed_v1","signed_at":"2026-07-05T03:15:11.727374Z","signed_message":"canonical_sha256_bytes"},"source_id":"2108.13246","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:dca318760f53187a1a55a7559bff5b714460fe951cc9a2d48c53e5538ab20ae7","sha256:a89b5ad9f01f2c30273bae63ed46f801f823fd58b082306cfcf2136a10037ce2"],"state_sha256":"cf3f3bef9e1147278e9bd7792695c43fe76043762b3d826ddfab437808130ec4"}