{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:QGDM2YFXWD6J52PAXNMXANZXXH","short_pith_number":"pith:QGDM2YFX","canonical_record":{"source":{"id":"2208.08738","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2022-08-18T09:35:56Z","cross_cats_sorted":[],"title_canon_sha256":"a5a0355c82607b75a893cbeed929e8e0aef899e73c27d5583abe97b65916e6de","abstract_canon_sha256":"acb781f06bec9db18de8b1a58b1c8d63d8673355eaeff6c6d1b635118e932aac"},"schema_version":"1.0"},"canonical_sha256":"8186cd60b7b0fc9ee9e0bb59703737b9cf61f8686456c787bd2f28882a6ab354","source":{"kind":"arxiv","id":"2208.08738","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2208.08738","created_at":"2026-07-05T05:07:02Z"},{"alias_kind":"arxiv_version","alias_value":"2208.08738v2","created_at":"2026-07-05T05:07:02Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2208.08738","created_at":"2026-07-05T05:07:02Z"},{"alias_kind":"pith_short_12","alias_value":"QGDM2YFXWD6J","created_at":"2026-07-05T05:07:02Z"},{"alias_kind":"pith_short_16","alias_value":"QGDM2YFXWD6J52PA","created_at":"2026-07-05T05:07:02Z"},{"alias_kind":"pith_short_8","alias_value":"QGDM2YFX","created_at":"2026-07-05T05:07:02Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:QGDM2YFXWD6J52PAXNMXANZXXH","target":"record","payload":{"canonical_record":{"source":{"id":"2208.08738","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2022-08-18T09:35:56Z","cross_cats_sorted":[],"title_canon_sha256":"a5a0355c82607b75a893cbeed929e8e0aef899e73c27d5583abe97b65916e6de","abstract_canon_sha256":"acb781f06bec9db18de8b1a58b1c8d63d8673355eaeff6c6d1b635118e932aac"},"schema_version":"1.0"},"canonical_sha256":"8186cd60b7b0fc9ee9e0bb59703737b9cf61f8686456c787bd2f28882a6ab354","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T05:07:02.023463Z","signature_b64":"6dW8Y4yfRrwsDZgs/bETMZ71fNgCZXsaYzjVj1gVbDaKgb4sfGjFjylzVECmRuGnxTviYou173g+DwDeFt4mCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8186cd60b7b0fc9ee9e0bb59703737b9cf61f8686456c787bd2f28882a6ab354","last_reissued_at":"2026-07-05T05:07:02.022881Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T05:07:02.022881Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2208.08738","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T05:07:02Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0KRs9HGFiAscTOS+ubWSY+HP0c8bTixHXXUZhroQmWqjP76uv8syuvs/2BK/mSw1hBfbso78zs2nG1vazeD7CA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-05T12:32:26.957805Z"},"content_sha256":"3943dda0c83b9c08a1f5fdc1c81d12a56859cfb6414ba03de0b64e5c98ee0136","schema_version":"1.0","event_id":"sha256:3943dda0c83b9c08a1f5fdc1c81d12a56859cfb6414ba03de0b64e5c98ee0136"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:QGDM2YFXWD6J52PAXNMXANZXXH","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"RFLA: Gaussian Receptive Field based Label Assignment for Tiny Object Detection","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"cs.CV","authors_text":"Chang Xu, Gui-Song Xia, Huai Yu, Jinwang Wang, Lei Yu, Wen Yang","submitted_at":"2022-08-18T09:35:56Z","abstract_excerpt":"Detecting tiny objects is one of the main obstacles hindering the development of object detection. The performance of generic object detectors tends to drastically deteriorate on tiny object detection tasks. In this paper, we point out that either box prior in the anchor-based detector or point prior in the anchor-free detector is sub-optimal for tiny objects. Our key observation is that the current anchor-based or anchor-free label assignment paradigms will incur many outlier tiny-sized ground truth samples, leading to detectors imposing less focus on the tiny objects. To this end, we propose"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2208.08738","kind":"arxiv","version":2},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2208.08738/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T05:07:02Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"NKPMVsdBfvXhcf71VSuZ1fMvIWYpD7mj2kjSCONbmmi2j3kiNFmyg7Wqowo6vL4uKv1VN3Ii8yx9x0lz/f/TBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-05T12:32:26.958168Z"},"content_sha256":"cf52bca8126adb788d741eb9e7f6df7294fa41e5fa6e3acd3550e80456a6a661","schema_version":"1.0","event_id":"sha256:cf52bca8126adb788d741eb9e7f6df7294fa41e5fa6e3acd3550e80456a6a661"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/QGDM2YFXWD6J52PAXNMXANZXXH/bundle.json","state_url":"https://pith.science/pith/QGDM2YFXWD6J52PAXNMXANZXXH/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/QGDM2YFXWD6J52PAXNMXANZXXH/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-07-05T12:32:26Z","links":{"resolver":"https://pith.science/pith/QGDM2YFXWD6J52PAXNMXANZXXH","bundle":"https://pith.science/pith/QGDM2YFXWD6J52PAXNMXANZXXH/bundle.json","state":"https://pith.science/pith/QGDM2YFXWD6J52PAXNMXANZXXH/state.json","well_known_bundle":"https://pith.science/.well-known/pith/QGDM2YFXWD6J52PAXNMXANZXXH/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:QGDM2YFXWD6J52PAXNMXANZXXH","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":"acb781f06bec9db18de8b1a58b1c8d63d8673355eaeff6c6d1b635118e932aac","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2022-08-18T09:35:56Z","title_canon_sha256":"a5a0355c82607b75a893cbeed929e8e0aef899e73c27d5583abe97b65916e6de"},"schema_version":"1.0","source":{"id":"2208.08738","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2208.08738","created_at":"2026-07-05T05:07:02Z"},{"alias_kind":"arxiv_version","alias_value":"2208.08738v2","created_at":"2026-07-05T05:07:02Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2208.08738","created_at":"2026-07-05T05:07:02Z"},{"alias_kind":"pith_short_12","alias_value":"QGDM2YFXWD6J","created_at":"2026-07-05T05:07:02Z"},{"alias_kind":"pith_short_16","alias_value":"QGDM2YFXWD6J52PA","created_at":"2026-07-05T05:07:02Z"},{"alias_kind":"pith_short_8","alias_value":"QGDM2YFX","created_at":"2026-07-05T05:07:02Z"}],"graph_snapshots":[{"event_id":"sha256:cf52bca8126adb788d741eb9e7f6df7294fa41e5fa6e3acd3550e80456a6a661","target":"graph","created_at":"2026-07-05T05:07:02Z","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/2208.08738/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Detecting tiny objects is one of the main obstacles hindering the development of object detection. The performance of generic object detectors tends to drastically deteriorate on tiny object detection tasks. In this paper, we point out that either box prior in the anchor-based detector or point prior in the anchor-free detector is sub-optimal for tiny objects. Our key observation is that the current anchor-based or anchor-free label assignment paradigms will incur many outlier tiny-sized ground truth samples, leading to detectors imposing less focus on the tiny objects. To this end, we propose","authors_text":"Chang Xu, Gui-Song Xia, Huai Yu, Jinwang Wang, Lei Yu, Wen Yang","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2022-08-18T09:35:56Z","title":"RFLA: Gaussian Receptive Field based Label Assignment for Tiny Object Detection"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2208.08738","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":"sha256:3943dda0c83b9c08a1f5fdc1c81d12a56859cfb6414ba03de0b64e5c98ee0136","target":"record","created_at":"2026-07-05T05:07:02Z","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":"acb781f06bec9db18de8b1a58b1c8d63d8673355eaeff6c6d1b635118e932aac","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2022-08-18T09:35:56Z","title_canon_sha256":"a5a0355c82607b75a893cbeed929e8e0aef899e73c27d5583abe97b65916e6de"},"schema_version":"1.0","source":{"id":"2208.08738","kind":"arxiv","version":2}},"canonical_sha256":"8186cd60b7b0fc9ee9e0bb59703737b9cf61f8686456c787bd2f28882a6ab354","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8186cd60b7b0fc9ee9e0bb59703737b9cf61f8686456c787bd2f28882a6ab354","first_computed_at":"2026-07-05T05:07:02.022881Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T05:07:02.022881Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"6dW8Y4yfRrwsDZgs/bETMZ71fNgCZXsaYzjVj1gVbDaKgb4sfGjFjylzVECmRuGnxTviYou173g+DwDeFt4mCA==","signature_status":"signed_v1","signed_at":"2026-07-05T05:07:02.023463Z","signed_message":"canonical_sha256_bytes"},"source_id":"2208.08738","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:3943dda0c83b9c08a1f5fdc1c81d12a56859cfb6414ba03de0b64e5c98ee0136","sha256:cf52bca8126adb788d741eb9e7f6df7294fa41e5fa6e3acd3550e80456a6a661"],"state_sha256":"a08fa9b68fb764b27aa6c2197a08778075e3b8b6a4a15e6fb1776fc3e8727216"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"11FhRd7VTGISt5djQ34fgHtAtBmrIB7+9ksdR+SCM7YscDnaUINx9oiTcuDhAoGIwf/rGTk1FoTnmJcjaFz9Ag==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-05T12:32:26.960093Z","bundle_sha256":"9b32022b389fbdac2f3f86d3fb1361de14c4eb2176a89015357ad691ab76421a"}}