{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2025:AYDE4AYG3ARH2IZPFXRTQC6G7A","short_pith_number":"pith:AYDE4AYG","schema_version":"1.0","canonical_sha256":"06064e0306d8227d232f2de3380bc6f830e06741db9d06dc0dcb86665e507257","source":{"kind":"arxiv","id":"2504.18708","version":1},"attestation_state":"computed","paper":{"title":"Decentralized Fusion of 3D Extended Object Tracking based on a B-Spline Shape Model","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","headline":"","cross_cats":[],"primary_cat":"cs.RO","authors_text":"J\\\"urgen Beyerer, Klaus Kefferp\\\"utz, Longfei Han","submitted_at":"2025-04-25T21:44:48Z","abstract_excerpt":"Extended Object Tracking (EOT) exploits the high resolution of modern sensors for detailed environmental perception. Combined with decentralized fusion, it contributes to a more scalable and robust perception system. This paper investigates the decentralized fusion of 3D EOT using a B-spline curve based model. The spline curve is used to represent the side-view profile, which is then extruded with a width to form a 3D shape. We use covariance intersection (CI) for the decentralized fusion and discuss the challenge of applying it to EOT. We further evaluate the tracking result of the decentrali"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"2504.18708","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.RO","submitted_at":"2025-04-25T21:44:48Z","cross_cats_sorted":[],"title_canon_sha256":"b67e0062dab184cee4356832fee397e62a2c30e26e44354716f7fa7136fef2d3","abstract_canon_sha256":"57d0addc4385d3d4745aa3b46b795d288408d2ba6eb1fd4222a4a418438ec325"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T10:54:19.561566Z","signature_b64":"ITW5jQCvv0MAna8tekiqxR3Xy9peQDXmvNerW9WjduT/Sg86cxlVfOhRUB6XDKWJCpY2ngECh+frBL34vPznAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"06064e0306d8227d232f2de3380bc6f830e06741db9d06dc0dcb86665e507257","last_reissued_at":"2026-07-05T10:54:19.561045Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T10:54:19.561045Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Decentralized Fusion of 3D Extended Object Tracking based on a B-Spline Shape Model","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","headline":"","cross_cats":[],"primary_cat":"cs.RO","authors_text":"J\\\"urgen Beyerer, Klaus Kefferp\\\"utz, Longfei Han","submitted_at":"2025-04-25T21:44:48Z","abstract_excerpt":"Extended Object Tracking (EOT) exploits the high resolution of modern sensors for detailed environmental perception. Combined with decentralized fusion, it contributes to a more scalable and robust perception system. This paper investigates the decentralized fusion of 3D EOT using a B-spline curve based model. The spline curve is used to represent the side-view profile, which is then extruded with a width to form a 3D shape. We use covariance intersection (CI) for the decentralized fusion and discuss the challenge of applying it to EOT. We further evaluate the tracking result of the decentrali"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2504.18708","kind":"arxiv","version":1},"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/2504.18708/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"},"aliases":[{"alias_kind":"arxiv","alias_value":"2504.18708","created_at":"2026-07-05T10:54:19.561108+00:00"},{"alias_kind":"arxiv_version","alias_value":"2504.18708v1","created_at":"2026-07-05T10:54:19.561108+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2504.18708","created_at":"2026-07-05T10:54:19.561108+00:00"},{"alias_kind":"pith_short_12","alias_value":"AYDE4AYG3ARH","created_at":"2026-07-05T10:54:19.561108+00:00"},{"alias_kind":"pith_short_16","alias_value":"AYDE4AYG3ARH2IZP","created_at":"2026-07-05T10:54:19.561108+00:00"},{"alias_kind":"pith_short_8","alias_value":"AYDE4AYG","created_at":"2026-07-05T10:54:19.561108+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/AYDE4AYG3ARH2IZPFXRTQC6G7A","json":"https://pith.science/pith/AYDE4AYG3ARH2IZPFXRTQC6G7A.json","graph_json":"https://pith.science/api/pith-number/AYDE4AYG3ARH2IZPFXRTQC6G7A/graph.json","events_json":"https://pith.science/api/pith-number/AYDE4AYG3ARH2IZPFXRTQC6G7A/events.json","paper":"https://pith.science/paper/AYDE4AYG"},"agent_actions":{"view_html":"https://pith.science/pith/AYDE4AYG3ARH2IZPFXRTQC6G7A","download_json":"https://pith.science/pith/AYDE4AYG3ARH2IZPFXRTQC6G7A.json","view_paper":"https://pith.science/paper/AYDE4AYG","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2504.18708&json=true","fetch_graph":"https://pith.science/api/pith-number/AYDE4AYG3ARH2IZPFXRTQC6G7A/graph.json","fetch_events":"https://pith.science/api/pith-number/AYDE4AYG3ARH2IZPFXRTQC6G7A/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/AYDE4AYG3ARH2IZPFXRTQC6G7A/action/timestamp_anchor","attest_storage":"https://pith.science/pith/AYDE4AYG3ARH2IZPFXRTQC6G7A/action/storage_attestation","attest_author":"https://pith.science/pith/AYDE4AYG3ARH2IZPFXRTQC6G7A/action/author_attestation","sign_citation":"https://pith.science/pith/AYDE4AYG3ARH2IZPFXRTQC6G7A/action/citation_signature","submit_replication":"https://pith.science/pith/AYDE4AYG3ARH2IZPFXRTQC6G7A/action/replication_record"}},"created_at":"2026-07-05T10:54:19.561108+00:00","updated_at":"2026-07-05T10:54:19.561108+00:00"}