{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:G6SH5RRK4XLSBZKGA2KE3HHZ3F","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":"3e5eee1911fb8cc4c64197193ae77383eec6667e48bccad582ae76701d5f7112","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2020-06-11T16:19:16Z","title_canon_sha256":"2c4d9bc28467467e661de4dd09963c7c6b3a9a004d7e4a8435b5e50ffdf218b1"},"schema_version":"1.0","source":{"id":"2006.06568","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2006.06568","created_at":"2026-07-05T01:09:59Z"},{"alias_kind":"arxiv_version","alias_value":"2006.06568v2","created_at":"2026-07-05T01:09:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2006.06568","created_at":"2026-07-05T01:09:59Z"},{"alias_kind":"pith_short_12","alias_value":"G6SH5RRK4XLS","created_at":"2026-07-05T01:09:59Z"},{"alias_kind":"pith_short_16","alias_value":"G6SH5RRK4XLSBZKG","created_at":"2026-07-05T01:09:59Z"},{"alias_kind":"pith_short_8","alias_value":"G6SH5RRK","created_at":"2026-07-05T01:09:59Z"}],"graph_snapshots":[{"event_id":"sha256:033154b456e953f937ecf9729494f2c5ecaf3cee7242f8e971d81e444a042901","target":"graph","created_at":"2026-07-05T01:09:59Z","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/2006.06568/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Region sampling or weighting is significantly important to the success of modern region-based object detectors. Unlike some previous works, which only focus on \"hard\" samples when optimizing the objective function, we argue that sample weighting should be data-dependent and task-dependent. The importance of a sample for the objective function optimization is determined by its uncertainties to both object classification and bounding box regression tasks. To this end, we devise a general loss function to cover most region-based object detectors with various sampling strategies, and then based on","authors_text":"Jingen Liu, Qi Cai, Tao Mei, Ting Yao, Yingwei Pan, Yu Wang","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2020-06-11T16:19:16Z","title":"Learning a Unified Sample Weighting Network for Object Detection"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2006.06568","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":"sha256:314aa1aa6c1cf57e3c8c801b62afe18078f81a918ece85929f0c3315fae8a3bd","target":"record","created_at":"2026-07-05T01:09:59Z","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":"3e5eee1911fb8cc4c64197193ae77383eec6667e48bccad582ae76701d5f7112","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2020-06-11T16:19:16Z","title_canon_sha256":"2c4d9bc28467467e661de4dd09963c7c6b3a9a004d7e4a8435b5e50ffdf218b1"},"schema_version":"1.0","source":{"id":"2006.06568","kind":"arxiv","version":2}},"canonical_sha256":"37a47ec62ae5d720e54606944d9cf9d9772260fa97a85e30bfab42f5d246bf9b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"37a47ec62ae5d720e54606944d9cf9d9772260fa97a85e30bfab42f5d246bf9b","first_computed_at":"2026-07-05T01:09:59.700401Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T01:09:59.700401Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"sBQJ4gZ7qTk/JwIL1m4/1SwtdX2FZY2SrlWm7Ftyg/4/rkVZkvK/r13HJLO0hlGna0MEj1ren4chlQoyM+h5AQ==","signature_status":"signed_v1","signed_at":"2026-07-05T01:09:59.700846Z","signed_message":"canonical_sha256_bytes"},"source_id":"2006.06568","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:314aa1aa6c1cf57e3c8c801b62afe18078f81a918ece85929f0c3315fae8a3bd","sha256:033154b456e953f937ecf9729494f2c5ecaf3cee7242f8e971d81e444a042901"],"state_sha256":"093e98c67db5e0df21fc1a452aef910a16fdb3205484fc9b1902cc807576ae9a"}