{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:VSTFKK2CTAKNCMI22WUJEWWQHH","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":"5c7b586bd447be9f4d9c08181c61817e449b5f7d2f5be0b43a1aee456a6fd0ff","cross_cats_sorted":["cs.CV"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.IV","submitted_at":"2021-06-11T23:25:49Z","title_canon_sha256":"a88abed8b3f569a6b03a157f35761856890030ec9335a4646517e6172d057c42"},"schema_version":"1.0","source":{"id":"2106.06637","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2106.06637","created_at":"2026-07-05T02:49:01Z"},{"alias_kind":"arxiv_version","alias_value":"2106.06637v1","created_at":"2026-07-05T02:49:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2106.06637","created_at":"2026-07-05T02:49:01Z"},{"alias_kind":"pith_short_12","alias_value":"VSTFKK2CTAKN","created_at":"2026-07-05T02:49:01Z"},{"alias_kind":"pith_short_16","alias_value":"VSTFKK2CTAKNCMI2","created_at":"2026-07-05T02:49:01Z"},{"alias_kind":"pith_short_8","alias_value":"VSTFKK2C","created_at":"2026-07-05T02:49:01Z"}],"graph_snapshots":[{"event_id":"sha256:a07a3d9318ad6d458f83a88d9f6680d88a0d11a708f6e8f098dac6c6c3ff04b8","target":"graph","created_at":"2026-07-05T02:49:01Z","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/2106.06637/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Image registration is a fundamental building block for various applications in medical image analysis. To better explore the correlation between the fixed and moving images and improve registration performance, we propose a novel deep learning network, Co-Attention guided Registration Network (CAR-Net). CAR-Net employs a co-attention block to learn a new representation of the inputs, which drives the registration of the fixed and moving images. Experiments on UK Biobank cardiac cine-magnetic resonance image data demonstrate that CAR-Net obtains higher registration accuracy and smoother deforma","authors_text":"Alejandro F Frangi, Nishant Ravikumar, Xiang Chen, Yan Xia","cross_cats":["cs.CV"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.IV","submitted_at":"2021-06-11T23:25:49Z","title":"CAR-Net: Unsupervised Co-Attention Guided Registration Network for Joint Registration and Structure Learning"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2106.06637","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":"sha256:1c62d5070ddb09ce53035545f5a3b5f7fe05a16e496cdaf46112bd6ebd2fd7bc","target":"record","created_at":"2026-07-05T02:49:01Z","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":"5c7b586bd447be9f4d9c08181c61817e449b5f7d2f5be0b43a1aee456a6fd0ff","cross_cats_sorted":["cs.CV"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.IV","submitted_at":"2021-06-11T23:25:49Z","title_canon_sha256":"a88abed8b3f569a6b03a157f35761856890030ec9335a4646517e6172d057c42"},"schema_version":"1.0","source":{"id":"2106.06637","kind":"arxiv","version":1}},"canonical_sha256":"aca6552b429814d1311ad5a8925ad039d395a249ccad01ad39f7bc68ec070279","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"aca6552b429814d1311ad5a8925ad039d395a249ccad01ad39f7bc68ec070279","first_computed_at":"2026-07-05T02:49:01.969500Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T02:49:01.969500Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"P/PGTUJRmfzZzLg5axRVoKzWZPpuiJLN7aoZURHmZAVtWEwtER+Y/I9oxW0RKsJ/dmd9YebgiZ1+ovK/ijH7BQ==","signature_status":"signed_v1","signed_at":"2026-07-05T02:49:01.969970Z","signed_message":"canonical_sha256_bytes"},"source_id":"2106.06637","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1c62d5070ddb09ce53035545f5a3b5f7fe05a16e496cdaf46112bd6ebd2fd7bc","sha256:a07a3d9318ad6d458f83a88d9f6680d88a0d11a708f6e8f098dac6c6c3ff04b8"],"state_sha256":"e0a4d39348475818cbf982935261d6c215e0db0a7d31344219b1ff4f94f797e2"}