{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:TOCT22RIXLNR5IY3U2EYJDVBOJ","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":"5c925069567fddec0f37c27f3c90eecbbeda603a2b283ef3cd6ae582a0564e8e","cross_cats_sorted":["cs.CV","cs.LG"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.IV","submitted_at":"2020-03-14T01:25:46Z","title_canon_sha256":"58ac62fbcf0f6fe6fea54ef8345da9db4a753bf98afe728fc194b39155e7fd24"},"schema_version":"1.0","source":{"id":"2003.06529","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2003.06529","created_at":"2026-07-05T00:47:49Z"},{"alias_kind":"arxiv_version","alias_value":"2003.06529v1","created_at":"2026-07-05T00:47:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2003.06529","created_at":"2026-07-05T00:47:49Z"},{"alias_kind":"pith_short_12","alias_value":"TOCT22RIXLNR","created_at":"2026-07-05T00:47:49Z"},{"alias_kind":"pith_short_16","alias_value":"TOCT22RIXLNR5IY3","created_at":"2026-07-05T00:47:49Z"},{"alias_kind":"pith_short_8","alias_value":"TOCT22RI","created_at":"2026-07-05T00:47:49Z"}],"graph_snapshots":[{"event_id":"sha256:d9a57f24e547066abeb4518bb1e04699442aed63b7a06a8553ab2d117feb870a","target":"graph","created_at":"2026-07-05T00:47:49Z","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/2003.06529/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Automated tongue image segmentation in tongue images is a challenging task for two reasons: 1) there are many pathological details on the tongue surface, which affect the extraction of the boundary; 2) the shapes of the tongues captured from various persons (with different diseases) are quite different. To deal with the challenge, a novel end-to-end Boundary Guidance Hierarchical Network (BGHNet) with a new hybrid loss is proposed in this paper. In the new approach, firstly Context Feature Encoder Module (CFEM) is built upon the bottomup pathway to confront with the shrinkage of the receptive ","authors_text":"Aimin Zhou, Guixu Zhang, Jia Chen, Qian Zhang, Xinyi Zeng, Yiqin Wang","cross_cats":["cs.CV","cs.LG"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.IV","submitted_at":"2020-03-14T01:25:46Z","title":"Boundary Guidance Hierarchical Network for Real-Time Tongue Segmentation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2003.06529","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":"sha256:39e9eb90e5e8a3e84b716ea978d4775995d08e60eeca97e047a903b9708eca4c","target":"record","created_at":"2026-07-05T00:47:49Z","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":"5c925069567fddec0f37c27f3c90eecbbeda603a2b283ef3cd6ae582a0564e8e","cross_cats_sorted":["cs.CV","cs.LG"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.IV","submitted_at":"2020-03-14T01:25:46Z","title_canon_sha256":"58ac62fbcf0f6fe6fea54ef8345da9db4a753bf98afe728fc194b39155e7fd24"},"schema_version":"1.0","source":{"id":"2003.06529","kind":"arxiv","version":1}},"canonical_sha256":"9b853d6a28badb1ea31ba689848ea172525726f4190602d144a5683e69a4eea2","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9b853d6a28badb1ea31ba689848ea172525726f4190602d144a5683e69a4eea2","first_computed_at":"2026-07-05T00:47:49.125915Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T00:47:49.125915Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"IsTKPvQQN7pR3YcEVq+RtnvOrjH1y2bzD9bcwX5gkebxPOIvr9tt3j/XY16giS22sezKQijaZYqJM7sNlD8WDw==","signature_status":"signed_v1","signed_at":"2026-07-05T00:47:49.126441Z","signed_message":"canonical_sha256_bytes"},"source_id":"2003.06529","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:39e9eb90e5e8a3e84b716ea978d4775995d08e60eeca97e047a903b9708eca4c","sha256:d9a57f24e547066abeb4518bb1e04699442aed63b7a06a8553ab2d117feb870a"],"state_sha256":"57d3c67995de9f45a33cec9333a07b1a2aaf8a69e33e174f189325d5bb091eb7"}