{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2016:IOCNTS7F3K3QE7JLTJFGYRVZ3J","short_pith_number":"pith:IOCNTS7F","schema_version":"1.0","canonical_sha256":"4384d9cbe5dab7027d2b9a4a6c46b9da640373056408dfa16e4d82a2dde6a2aa","source":{"kind":"arxiv","id":"1608.00247","version":1},"attestation_state":"computed","paper":{"title":"Similarity Registration Problems for 2D/3D Ultrasound Calibration","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.CV","authors_text":"Danail Stoyanov, Donald Peebles, Francisco Vasconcelos, Sebastien Ourselin","submitted_at":"2016-07-31T18:04:54Z","abstract_excerpt":"We propose a minimal solution for the similarity registration (rigid pose and scale) between two sets of 3D lines, and also between a set of co-planar points and a set of 3D lines. The first problem is solved up to 8 discrete solutions with a minimum of 2 line-line correspondences, while the second is solved up to 4 discrete solutions using 4 point-line correspondences. We use these algorithms to perform the extrinsic calibration between a pose tracking sensor and a 2D/3D ultrasound (US) curvilinear probe using a tracked needle as calibration target. The needle is tracked as a 3D line, and is "},"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":"1608.00247","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2016-07-31T18:04:54Z","cross_cats_sorted":[],"title_canon_sha256":"0ee0379616ae66d64e1f4962253e325c6107e38105144ed3091e40b557a5cd05","abstract_canon_sha256":"6676536a42e9d08154719b8edba598de646e4dcade4434eee65486c955c885db"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:10:12.121928Z","signature_b64":"jQOqcIBi5MFEUYJdBFmKi8KqZ+HjkNaX2wG4xBZOAkohQEzTbHJ3hFamHwtvco1LLqKWmPa8PNPXSj0fV9GCAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4384d9cbe5dab7027d2b9a4a6c46b9da640373056408dfa16e4d82a2dde6a2aa","last_reissued_at":"2026-05-18T01:10:12.121289Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:10:12.121289Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Similarity Registration Problems for 2D/3D Ultrasound Calibration","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.CV","authors_text":"Danail Stoyanov, Donald Peebles, Francisco Vasconcelos, Sebastien Ourselin","submitted_at":"2016-07-31T18:04:54Z","abstract_excerpt":"We propose a minimal solution for the similarity registration (rigid pose and scale) between two sets of 3D lines, and also between a set of co-planar points and a set of 3D lines. The first problem is solved up to 8 discrete solutions with a minimum of 2 line-line correspondences, while the second is solved up to 4 discrete solutions using 4 point-line correspondences. We use these algorithms to perform the extrinsic calibration between a pose tracking sensor and a 2D/3D ultrasound (US) curvilinear probe using a tracked needle as calibration target. The needle is tracked as a 3D line, and is "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1608.00247","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":""},"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":"1608.00247","created_at":"2026-05-18T01:10:12.121389+00:00"},{"alias_kind":"arxiv_version","alias_value":"1608.00247v1","created_at":"2026-05-18T01:10:12.121389+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1608.00247","created_at":"2026-05-18T01:10:12.121389+00:00"},{"alias_kind":"pith_short_12","alias_value":"IOCNTS7F3K3Q","created_at":"2026-05-18T12:30:22.444734+00:00"},{"alias_kind":"pith_short_16","alias_value":"IOCNTS7F3K3QE7JL","created_at":"2026-05-18T12:30:22.444734+00:00"},{"alias_kind":"pith_short_8","alias_value":"IOCNTS7F","created_at":"2026-05-18T12:30:22.444734+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/IOCNTS7F3K3QE7JLTJFGYRVZ3J","json":"https://pith.science/pith/IOCNTS7F3K3QE7JLTJFGYRVZ3J.json","graph_json":"https://pith.science/api/pith-number/IOCNTS7F3K3QE7JLTJFGYRVZ3J/graph.json","events_json":"https://pith.science/api/pith-number/IOCNTS7F3K3QE7JLTJFGYRVZ3J/events.json","paper":"https://pith.science/paper/IOCNTS7F"},"agent_actions":{"view_html":"https://pith.science/pith/IOCNTS7F3K3QE7JLTJFGYRVZ3J","download_json":"https://pith.science/pith/IOCNTS7F3K3QE7JLTJFGYRVZ3J.json","view_paper":"https://pith.science/paper/IOCNTS7F","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1608.00247&json=true","fetch_graph":"https://pith.science/api/pith-number/IOCNTS7F3K3QE7JLTJFGYRVZ3J/graph.json","fetch_events":"https://pith.science/api/pith-number/IOCNTS7F3K3QE7JLTJFGYRVZ3J/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/IOCNTS7F3K3QE7JLTJFGYRVZ3J/action/timestamp_anchor","attest_storage":"https://pith.science/pith/IOCNTS7F3K3QE7JLTJFGYRVZ3J/action/storage_attestation","attest_author":"https://pith.science/pith/IOCNTS7F3K3QE7JLTJFGYRVZ3J/action/author_attestation","sign_citation":"https://pith.science/pith/IOCNTS7F3K3QE7JLTJFGYRVZ3J/action/citation_signature","submit_replication":"https://pith.science/pith/IOCNTS7F3K3QE7JLTJFGYRVZ3J/action/replication_record"}},"created_at":"2026-05-18T01:10:12.121389+00:00","updated_at":"2026-05-18T01:10:12.121389+00:00"}