{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:NICP3W33OW2QYKH6R734BO5MV6","short_pith_number":"pith:NICP3W33","schema_version":"1.0","canonical_sha256":"6a04fddb7b75b50c28fe8ff7c0bbacaf9788173878a332c295a2d4fc46e7c276","source":{"kind":"arxiv","id":"1812.05405","version":2},"attestation_state":"computed","paper":{"title":"Maximum Likelihood Estimation of Head Motion using Epipolar Consistency","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.med-ph","authors_text":"Alexander Preuhs, Andreas Maier, Bernhard Stimpel, Christopher Syben, Elisabeth Hoppe, Markus Kowarschik, Michael Manhart, Nishant Ravikumar","submitted_at":"2018-12-13T13:09:22Z","abstract_excerpt":"Open gantry C-arm systems that are placed within the interventional room enable 3-D imaging and guidance for stroke therapy without patient transfer. This can profit in drastically reduced time-totherapy, however, due to the interventional setting, the data acquisition is comparatively slow. Thus, involuntary patient motion needs to be estimated and compensated to achieve high image quality. Patient motion results in a misalignment of the geometry and the acquired image data. Consistency measures can be used to restore the correct mapping to compensate the motion. They describe constraints on "},"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":"1812.05405","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.med-ph","submitted_at":"2018-12-13T13:09:22Z","cross_cats_sorted":[],"title_canon_sha256":"d88aa59d5f61ea836ad53fedd1d77ba4e9fdcfb9bcdad9354eb4c9fbd689de2c","abstract_canon_sha256":"44632fcaa359ed2ea0727a84f2ed665bf96ec9f1168e0abfc96cb6ed3d4ca05c"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:58:13.219822Z","signature_b64":"KEGwyYJbvglrwZa8hqUqyopAMSOsejzPAGvs9reStj7OKzbtbzpdMDbg0cS2XISk04cID6LVCcx6eSQvV2fhAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6a04fddb7b75b50c28fe8ff7c0bbacaf9788173878a332c295a2d4fc46e7c276","last_reissued_at":"2026-05-17T23:58:13.219249Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:58:13.219249Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Maximum Likelihood Estimation of Head Motion using Epipolar Consistency","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.med-ph","authors_text":"Alexander Preuhs, Andreas Maier, Bernhard Stimpel, Christopher Syben, Elisabeth Hoppe, Markus Kowarschik, Michael Manhart, Nishant Ravikumar","submitted_at":"2018-12-13T13:09:22Z","abstract_excerpt":"Open gantry C-arm systems that are placed within the interventional room enable 3-D imaging and guidance for stroke therapy without patient transfer. This can profit in drastically reduced time-totherapy, however, due to the interventional setting, the data acquisition is comparatively slow. Thus, involuntary patient motion needs to be estimated and compensated to achieve high image quality. Patient motion results in a misalignment of the geometry and the acquired image data. Consistency measures can be used to restore the correct mapping to compensate the motion. They describe constraints on "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1812.05405","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":""},"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":"1812.05405","created_at":"2026-05-17T23:58:13.219355+00:00"},{"alias_kind":"arxiv_version","alias_value":"1812.05405v2","created_at":"2026-05-17T23:58:13.219355+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1812.05405","created_at":"2026-05-17T23:58:13.219355+00:00"},{"alias_kind":"pith_short_12","alias_value":"NICP3W33OW2Q","created_at":"2026-05-18T12:32:40.477152+00:00"},{"alias_kind":"pith_short_16","alias_value":"NICP3W33OW2QYKH6","created_at":"2026-05-18T12:32:40.477152+00:00"},{"alias_kind":"pith_short_8","alias_value":"NICP3W33","created_at":"2026-05-18T12:32:40.477152+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/NICP3W33OW2QYKH6R734BO5MV6","json":"https://pith.science/pith/NICP3W33OW2QYKH6R734BO5MV6.json","graph_json":"https://pith.science/api/pith-number/NICP3W33OW2QYKH6R734BO5MV6/graph.json","events_json":"https://pith.science/api/pith-number/NICP3W33OW2QYKH6R734BO5MV6/events.json","paper":"https://pith.science/paper/NICP3W33"},"agent_actions":{"view_html":"https://pith.science/pith/NICP3W33OW2QYKH6R734BO5MV6","download_json":"https://pith.science/pith/NICP3W33OW2QYKH6R734BO5MV6.json","view_paper":"https://pith.science/paper/NICP3W33","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1812.05405&json=true","fetch_graph":"https://pith.science/api/pith-number/NICP3W33OW2QYKH6R734BO5MV6/graph.json","fetch_events":"https://pith.science/api/pith-number/NICP3W33OW2QYKH6R734BO5MV6/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/NICP3W33OW2QYKH6R734BO5MV6/action/timestamp_anchor","attest_storage":"https://pith.science/pith/NICP3W33OW2QYKH6R734BO5MV6/action/storage_attestation","attest_author":"https://pith.science/pith/NICP3W33OW2QYKH6R734BO5MV6/action/author_attestation","sign_citation":"https://pith.science/pith/NICP3W33OW2QYKH6R734BO5MV6/action/citation_signature","submit_replication":"https://pith.science/pith/NICP3W33OW2QYKH6R734BO5MV6/action/replication_record"}},"created_at":"2026-05-17T23:58:13.219355+00:00","updated_at":"2026-05-17T23:58:13.219355+00:00"}