{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:WXMWJUPLCI3HELJNOGUEYAL3GF","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":"fe254ff9c48cd7a5928c3d9b4eb77a89fe1b5d831b4b47e8690629623c978dc8","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-sa/4.0/","primary_cat":"cs.CV","submitted_at":"2023-09-02T05:17:03Z","title_canon_sha256":"d26dc5a73c57d9d84770757bc57f33a1e0d2517a1a113160cf194d647e82fe2a"},"schema_version":"1.0","source":{"id":"2309.00828","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2309.00828","created_at":"2026-07-05T06:47:07Z"},{"alias_kind":"arxiv_version","alias_value":"2309.00828v1","created_at":"2026-07-05T06:47:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2309.00828","created_at":"2026-07-05T06:47:07Z"},{"alias_kind":"pith_short_12","alias_value":"WXMWJUPLCI3H","created_at":"2026-07-05T06:47:07Z"},{"alias_kind":"pith_short_16","alias_value":"WXMWJUPLCI3HELJN","created_at":"2026-07-05T06:47:07Z"},{"alias_kind":"pith_short_8","alias_value":"WXMWJUPL","created_at":"2026-07-05T06:47:07Z"}],"graph_snapshots":[{"event_id":"sha256:de683fb7326d45fb9ab4faebb4006a574c79c7f007042d4f82a9b47fc59ac5ba","target":"graph","created_at":"2026-07-05T06:47:07Z","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/2309.00828/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Learning from bounding-boxes annotations has shown great potential in weakly-supervised 3D point cloud instance segmentation. However, we observed that existing methods would suffer severe performance degradation with perturbed bounding box annotations. To tackle this issue, we propose a complementary image prompt-induced weakly-supervised point cloud instance segmentation (CIP-WPIS) method. CIP-WPIS leverages pretrained knowledge embedded in the 2D foundation model SAM and 3D geometric prior to achieve accurate point-wise instance labels from the bounding box annotations. Specifically, CP-WPI","authors_text":"Chen Liu, Heming Du, Qingtao Yu, Xin Yu","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by-sa/4.0/","primary_cat":"cs.CV","submitted_at":"2023-09-02T05:17:03Z","title":"When 3D Bounding-Box Meets SAM: Point Cloud Instance Segmentation with Weak-and-Noisy Supervision"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2309.00828","kind":"arxiv","version":1},"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:e8bf11bbef339c0c08a670c4d9b5d897b0423ac23f0c03e30dbde36bda9292fc","target":"record","created_at":"2026-07-05T06:47:07Z","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":"fe254ff9c48cd7a5928c3d9b4eb77a89fe1b5d831b4b47e8690629623c978dc8","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-sa/4.0/","primary_cat":"cs.CV","submitted_at":"2023-09-02T05:17:03Z","title_canon_sha256":"d26dc5a73c57d9d84770757bc57f33a1e0d2517a1a113160cf194d647e82fe2a"},"schema_version":"1.0","source":{"id":"2309.00828","kind":"arxiv","version":1}},"canonical_sha256":"b5d964d1eb1236722d2d71a84c017b31512527835ff45c3822f55ab0f5a8e16f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b5d964d1eb1236722d2d71a84c017b31512527835ff45c3822f55ab0f5a8e16f","first_computed_at":"2026-07-05T06:47:07.867320Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T06:47:07.867320Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"bKm5PCbwnMopFAfO6UWtZoSn9iwo6oN9pAlIZCewQYnQ11KpnIRXrt2ksytPKhF3AnyvaAceYyw+OIX4Fc49BQ==","signature_status":"signed_v1","signed_at":"2026-07-05T06:47:07.867810Z","signed_message":"canonical_sha256_bytes"},"source_id":"2309.00828","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e8bf11bbef339c0c08a670c4d9b5d897b0423ac23f0c03e30dbde36bda9292fc","sha256:de683fb7326d45fb9ab4faebb4006a574c79c7f007042d4f82a9b47fc59ac5ba"],"state_sha256":"c944d07c2439b95a34a4bfe83d6724191c733e464493b943b89716b27f3ca3ef"}