{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:NQD6BOIP7TIYTSVGWR5I6SUZPO","short_pith_number":"pith:NQD6BOIP","canonical_record":{"source":{"id":"1908.07344","kind":"arxiv","version":3},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"eess.IV","submitted_at":"2019-08-20T13:47:42Z","cross_cats_sorted":["cs.CV","cs.LG"],"title_canon_sha256":"9602fa5cfa35cec9512ec37dd789b665450718639fe2910f7382b1d3c7d54134","abstract_canon_sha256":"ef8efdac10d4639d5d881ddd2d2b2e38fd3f277ba64ce46ef290cbc7157b67d9"},"schema_version":"1.0"},"canonical_sha256":"6c07e0b90ffcd189caa6b47a8f4a997baf8c8a161667b21e2120d8bffc60726b","source":{"kind":"arxiv","id":"1908.07344","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1908.07344","created_at":"2026-07-05T00:38:33Z"},{"alias_kind":"arxiv_version","alias_value":"1908.07344v3","created_at":"2026-07-05T00:38:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1908.07344","created_at":"2026-07-05T00:38:33Z"},{"alias_kind":"pith_short_12","alias_value":"NQD6BOIP7TIY","created_at":"2026-07-05T00:38:33Z"},{"alias_kind":"pith_short_16","alias_value":"NQD6BOIP7TIYTSVG","created_at":"2026-07-05T00:38:33Z"},{"alias_kind":"pith_short_8","alias_value":"NQD6BOIP","created_at":"2026-07-05T00:38:33Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:NQD6BOIP7TIYTSVGWR5I6SUZPO","target":"record","payload":{"canonical_record":{"source":{"id":"1908.07344","kind":"arxiv","version":3},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"eess.IV","submitted_at":"2019-08-20T13:47:42Z","cross_cats_sorted":["cs.CV","cs.LG"],"title_canon_sha256":"9602fa5cfa35cec9512ec37dd789b665450718639fe2910f7382b1d3c7d54134","abstract_canon_sha256":"ef8efdac10d4639d5d881ddd2d2b2e38fd3f277ba64ce46ef290cbc7157b67d9"},"schema_version":"1.0"},"canonical_sha256":"6c07e0b90ffcd189caa6b47a8f4a997baf8c8a161667b21e2120d8bffc60726b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:38:33.384549Z","signature_b64":"1bFoJFoTWMOGQt/NMoDm4aSMzXyY2HN9sC28m2aRNaMA3Sdc0WmQ3WzPSUWdzsE8Niot3BwjOQB3H6nVGTcxAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6c07e0b90ffcd189caa6b47a8f4a997baf8c8a161667b21e2120d8bffc60726b","last_reissued_at":"2026-07-05T00:38:33.384058Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:38:33.384058Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1908.07344","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T00:38:33Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PBLyEtI+5y7afO6/s1f6Wb6uFJ78OdicQj3Ah/SIgmSFi6CelKtUJnLFPXspd+sJEtrL+2w7UdZlTVI3RIwhBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-05T14:37:05.769115Z"},"content_sha256":"9be164d5b1a964eeb539cc36ae5782610496def9704313c01d8f2518dc472baf","schema_version":"1.0","event_id":"sha256:9be164d5b1a964eeb539cc36ae5782610496def9704313c01d8f2518dc472baf"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:NQD6BOIP7TIYTSVGWR5I6SUZPO","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Unsupervised Multi-modal Style Transfer for Cardiac MR Segmentation","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cs.CV","cs.LG"],"primary_cat":"eess.IV","authors_text":"Chen Chen, Cheng Ouyang, Daniel Rueckert, Giacomo Tarroni, Huaqi Qiu, Jo Schlemper, Wenjia Bai","submitted_at":"2019-08-20T13:47:42Z","abstract_excerpt":"In this work, we present a fully automatic method to segment cardiac structures from late-gadolinium enhanced (LGE) images without using labelled LGE data for training, but instead by transferring the anatomical knowledge and features learned on annotated balanced steady-state free precession (bSSFP) images, which are easier to acquire. Our framework mainly consists of two neural networks: a multi-modal image translation network for style transfer and a cascaded segmentation network for image segmentation. The multi-modal image translation network generates realistic and diverse synthetic LGE "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1908.07344","kind":"arxiv","version":3},"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/1908.07344/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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T00:38:33Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"F4l1j9UgT1p2i6/f9N2jzBAe1BNSqpGQ6ZexNrEUNpPV5ruMYyA3Kwd5D2vd0uHwtID7YJyXybqbOCLfEsmpCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-05T14:37:05.769511Z"},"content_sha256":"7edda56dd217ad7884a3929678dba48e3245135daa4f6052771d123e9b4649ab","schema_version":"1.0","event_id":"sha256:7edda56dd217ad7884a3929678dba48e3245135daa4f6052771d123e9b4649ab"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/NQD6BOIP7TIYTSVGWR5I6SUZPO/bundle.json","state_url":"https://pith.science/pith/NQD6BOIP7TIYTSVGWR5I6SUZPO/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/NQD6BOIP7TIYTSVGWR5I6SUZPO/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-07-05T14:37:05Z","links":{"resolver":"https://pith.science/pith/NQD6BOIP7TIYTSVGWR5I6SUZPO","bundle":"https://pith.science/pith/NQD6BOIP7TIYTSVGWR5I6SUZPO/bundle.json","state":"https://pith.science/pith/NQD6BOIP7TIYTSVGWR5I6SUZPO/state.json","well_known_bundle":"https://pith.science/.well-known/pith/NQD6BOIP7TIYTSVGWR5I6SUZPO/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:NQD6BOIP7TIYTSVGWR5I6SUZPO","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":"ef8efdac10d4639d5d881ddd2d2b2e38fd3f277ba64ce46ef290cbc7157b67d9","cross_cats_sorted":["cs.CV","cs.LG"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"eess.IV","submitted_at":"2019-08-20T13:47:42Z","title_canon_sha256":"9602fa5cfa35cec9512ec37dd789b665450718639fe2910f7382b1d3c7d54134"},"schema_version":"1.0","source":{"id":"1908.07344","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1908.07344","created_at":"2026-07-05T00:38:33Z"},{"alias_kind":"arxiv_version","alias_value":"1908.07344v3","created_at":"2026-07-05T00:38:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1908.07344","created_at":"2026-07-05T00:38:33Z"},{"alias_kind":"pith_short_12","alias_value":"NQD6BOIP7TIY","created_at":"2026-07-05T00:38:33Z"},{"alias_kind":"pith_short_16","alias_value":"NQD6BOIP7TIYTSVG","created_at":"2026-07-05T00:38:33Z"},{"alias_kind":"pith_short_8","alias_value":"NQD6BOIP","created_at":"2026-07-05T00:38:33Z"}],"graph_snapshots":[{"event_id":"sha256:7edda56dd217ad7884a3929678dba48e3245135daa4f6052771d123e9b4649ab","target":"graph","created_at":"2026-07-05T00:38:33Z","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/1908.07344/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"In this work, we present a fully automatic method to segment cardiac structures from late-gadolinium enhanced (LGE) images without using labelled LGE data for training, but instead by transferring the anatomical knowledge and features learned on annotated balanced steady-state free precession (bSSFP) images, which are easier to acquire. Our framework mainly consists of two neural networks: a multi-modal image translation network for style transfer and a cascaded segmentation network for image segmentation. The multi-modal image translation network generates realistic and diverse synthetic LGE ","authors_text":"Chen Chen, Cheng Ouyang, Daniel Rueckert, Giacomo Tarroni, Huaqi Qiu, Jo Schlemper, Wenjia Bai","cross_cats":["cs.CV","cs.LG"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"eess.IV","submitted_at":"2019-08-20T13:47:42Z","title":"Unsupervised Multi-modal Style Transfer for Cardiac MR Segmentation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1908.07344","kind":"arxiv","version":3},"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":"sha256:9be164d5b1a964eeb539cc36ae5782610496def9704313c01d8f2518dc472baf","target":"record","created_at":"2026-07-05T00:38:33Z","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":"ef8efdac10d4639d5d881ddd2d2b2e38fd3f277ba64ce46ef290cbc7157b67d9","cross_cats_sorted":["cs.CV","cs.LG"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"eess.IV","submitted_at":"2019-08-20T13:47:42Z","title_canon_sha256":"9602fa5cfa35cec9512ec37dd789b665450718639fe2910f7382b1d3c7d54134"},"schema_version":"1.0","source":{"id":"1908.07344","kind":"arxiv","version":3}},"canonical_sha256":"6c07e0b90ffcd189caa6b47a8f4a997baf8c8a161667b21e2120d8bffc60726b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6c07e0b90ffcd189caa6b47a8f4a997baf8c8a161667b21e2120d8bffc60726b","first_computed_at":"2026-07-05T00:38:33.384058Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T00:38:33.384058Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"1bFoJFoTWMOGQt/NMoDm4aSMzXyY2HN9sC28m2aRNaMA3Sdc0WmQ3WzPSUWdzsE8Niot3BwjOQB3H6nVGTcxAw==","signature_status":"signed_v1","signed_at":"2026-07-05T00:38:33.384549Z","signed_message":"canonical_sha256_bytes"},"source_id":"1908.07344","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9be164d5b1a964eeb539cc36ae5782610496def9704313c01d8f2518dc472baf","sha256:7edda56dd217ad7884a3929678dba48e3245135daa4f6052771d123e9b4649ab"],"state_sha256":"b74c8672c367f28a889863dc012c5b6b1a3a3a3a429e5f994c63ca250db925d0"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qJfHcLDsXx4KGttsJUfrsW9Q5RrM2aZVvgY560VNTdeTirOPbs2vbOeQHsF9J01hVnlGL4gfKE4AFBEg2yjvAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-05T14:37:05.771630Z","bundle_sha256":"fbc08a67be1b5e715546f21f7c027818991ab7d2b9372c0b6786f1276925564e"}}