{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:F3Q3NZCZ77QT4DXATVABPWMT4B","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":"8cb058708a1b2dcb876f55c3d18b767b1959b202d1dc8dcdedd4d6cb918add88","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2025-02-06T07:24:34Z","title_canon_sha256":"a25999cbf5d8779f71092890bfc7baafa843ced9cf660332d5ee80bbb485e5b5"},"schema_version":"1.0","source":{"id":"2502.03829","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2502.03829","created_at":"2026-07-05T12:07:03Z"},{"alias_kind":"arxiv_version","alias_value":"2502.03829v3","created_at":"2026-07-05T12:07:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2502.03829","created_at":"2026-07-05T12:07:03Z"},{"alias_kind":"pith_short_12","alias_value":"F3Q3NZCZ77QT","created_at":"2026-07-05T12:07:03Z"},{"alias_kind":"pith_short_16","alias_value":"F3Q3NZCZ77QT4DXA","created_at":"2026-07-05T12:07:03Z"},{"alias_kind":"pith_short_8","alias_value":"F3Q3NZCZ","created_at":"2026-07-05T12:07:03Z"}],"graph_snapshots":[{"event_id":"sha256:0bcc737c0d35bf98751e47b18f60ad9f346fe876ac96708e435b52ff8d118160","target":"graph","created_at":"2026-07-05T12:07:03Z","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/2502.03829/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"In deep-sea exploration and surgical robotics scenarios, environmental lighting and device resolution limitations often cause high-frequency feature attenuation. Addressing the differences in frequency band sensitivity between CNNs and the human visual system (mid-frequency sensitivity with low-frequency sensitivity surpassing high-frequency), we experimentally quantified the CNN contrast sensitivity function and proposed a wavelet adaptive spectrum fusion (WASF) method inspired by biological vision mechanisms to balance cross-frequency image features. Furthermore, we designed a perception fre","authors_text":"Guohao Huo, Hao Tang, Jinliang Liu, Ling Shao, Ruiting Dai","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2025-02-06T07:24:34Z","title":"Frequency Domain Enhanced U-Net for Low-Frequency Information-Rich Image Segmentation in Surgical and Deep-Sea Exploration Robots"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2502.03829","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:dd86b413a4079df2e3e7bfd4f342c6205a4eb994bd2a21540fcc570ce5ca301c","target":"record","created_at":"2026-07-05T12:07:03Z","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":"8cb058708a1b2dcb876f55c3d18b767b1959b202d1dc8dcdedd4d6cb918add88","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2025-02-06T07:24:34Z","title_canon_sha256":"a25999cbf5d8779f71092890bfc7baafa843ced9cf660332d5ee80bbb485e5b5"},"schema_version":"1.0","source":{"id":"2502.03829","kind":"arxiv","version":3}},"canonical_sha256":"2ee1b6e459ffe13e0ee09d4017d993e0527857748472a9e94c09e3266efc156f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2ee1b6e459ffe13e0ee09d4017d993e0527857748472a9e94c09e3266efc156f","first_computed_at":"2026-07-05T12:07:03.195468Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T12:07:03.195468Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"JG9BulHYOGRz21KnNuzcKcl6NFjF/dQ28CEN9DdOjIo+badM3ugEi2I0tGScOd6344hAp3c8hSiCRaxQ1OpVCg==","signature_status":"signed_v1","signed_at":"2026-07-05T12:07:03.195928Z","signed_message":"canonical_sha256_bytes"},"source_id":"2502.03829","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:dd86b413a4079df2e3e7bfd4f342c6205a4eb994bd2a21540fcc570ce5ca301c","sha256:0bcc737c0d35bf98751e47b18f60ad9f346fe876ac96708e435b52ff8d118160"],"state_sha256":"b0660f56d01d7b1e9e45bf278e69b51255a06689024a2960e3286d8736daf686"}