{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:ULTI4DBNAEVRLHFNHQLY24MMAZ","short_pith_number":"pith:ULTI4DBN","canonical_record":{"source":{"id":"2308.08924","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cs.CV","submitted_at":"2023-08-17T11:30:46Z","cross_cats_sorted":[],"title_canon_sha256":"5a11bd4a90790680390e99dbf699a4dc95295c5e2cbaa4d72ab9105298e5ddd7","abstract_canon_sha256":"30c270c15a87fe7f9bea8e56af28ae744abef3c848f72929080c2ac9ad54e4a9"},"schema_version":"1.0"},"canonical_sha256":"a2e68e0c2d012b159cad3c178d718c066b8fae2b52cc899bf7dbdc5584651a99","source":{"kind":"arxiv","id":"2308.08924","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2308.08924","created_at":"2026-07-05T09:45:40Z"},{"alias_kind":"arxiv_version","alias_value":"2308.08924v2","created_at":"2026-07-05T09:45:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2308.08924","created_at":"2026-07-05T09:45:40Z"},{"alias_kind":"pith_short_12","alias_value":"ULTI4DBNAEVR","created_at":"2026-07-05T09:45:40Z"},{"alias_kind":"pith_short_16","alias_value":"ULTI4DBNAEVRLHFN","created_at":"2026-07-05T09:45:40Z"},{"alias_kind":"pith_short_8","alias_value":"ULTI4DBN","created_at":"2026-07-05T09:45:40Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:ULTI4DBNAEVRLHFNHQLY24MMAZ","target":"record","payload":{"canonical_record":{"source":{"id":"2308.08924","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cs.CV","submitted_at":"2023-08-17T11:30:46Z","cross_cats_sorted":[],"title_canon_sha256":"5a11bd4a90790680390e99dbf699a4dc95295c5e2cbaa4d72ab9105298e5ddd7","abstract_canon_sha256":"30c270c15a87fe7f9bea8e56af28ae744abef3c848f72929080c2ac9ad54e4a9"},"schema_version":"1.0"},"canonical_sha256":"a2e68e0c2d012b159cad3c178d718c066b8fae2b52cc899bf7dbdc5584651a99","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T09:45:40.770200Z","signature_b64":"iU/wSGzjNQ6LUFUIZMNevAmIlUadft/9NZwcv7iSKQWVebAQj/wK5DM1LBHMgB4tByQ7qibf8GrlzxjedVpyBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a2e68e0c2d012b159cad3c178d718c066b8fae2b52cc899bf7dbdc5584651a99","last_reissued_at":"2026-07-05T09:45:40.769758Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T09:45:40.769758Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2308.08924","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T09:45:40Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"yqckiXfFQVjYzXkXcXlazLOxdzB776J6kCto0PutMwZbokL7DTOcuz+/gnltcgtH2TkKnGa36MOkfVtqpDHrAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-14T21:49:45.273802Z"},"content_sha256":"628c6aaa22fdc4ad801ae7dcdc7d1ece7dbd1ff460c977eed07783b8758ace7f","schema_version":"1.0","event_id":"sha256:628c6aaa22fdc4ad801ae7dcdc7d1ece7dbd1ff460c977eed07783b8758ace7f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:ULTI4DBNAEVRLHFNHQLY24MMAZ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Frequency Perception Network for Camouflaged Object Detection","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","headline":"","cross_cats":[],"primary_cat":"cs.CV","authors_text":"Mengyao Sun, Runmin Cong, Sanyi Zhang, Wei Zhang, Xiaofei Zhou, Yao Zhao","submitted_at":"2023-08-17T11:30:46Z","abstract_excerpt":"Camouflaged object detection (COD) aims to accurately detect objects hidden in the surrounding environment. However, the existing COD methods mainly locate camouflaged objects in the RGB domain, their performance has not been fully exploited in many challenging scenarios. Considering that the features of the camouflaged object and the background are more discriminative in the frequency domain, we propose a novel learnable and separable frequency perception mechanism driven by the semantic hierarchy in the frequency domain. Our entire network adopts a two-stage model, including a frequency-guid"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2308.08924","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2308.08924/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":"2026-07-05T09:45:40Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rMsMdWtcOwK6KacA46ypvywH0QndwJd6zqbGR7HUigpMq/NyZpTEZtvoaazuQNqfNuVj1BPCbOBQeKBf48fBAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-14T21:49:45.274693Z"},"content_sha256":"967431ea4f379b16d0a0500979ebac81e1ca316b6e74ef58e4d1711c55686b04","schema_version":"1.0","event_id":"sha256:967431ea4f379b16d0a0500979ebac81e1ca316b6e74ef58e4d1711c55686b04"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ULTI4DBNAEVRLHFNHQLY24MMAZ/bundle.json","state_url":"https://pith.science/pith/ULTI4DBNAEVRLHFNHQLY24MMAZ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ULTI4DBNAEVRLHFNHQLY24MMAZ/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":"2026-08-14T21:49:45Z","links":{"resolver":"https://pith.science/pith/ULTI4DBNAEVRLHFNHQLY24MMAZ","bundle":"https://pith.science/pith/ULTI4DBNAEVRLHFNHQLY24MMAZ/bundle.json","state":"https://pith.science/pith/ULTI4DBNAEVRLHFNHQLY24MMAZ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ULTI4DBNAEVRLHFNHQLY24MMAZ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:ULTI4DBNAEVRLHFNHQLY24MMAZ","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":"30c270c15a87fe7f9bea8e56af28ae744abef3c848f72929080c2ac9ad54e4a9","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cs.CV","submitted_at":"2023-08-17T11:30:46Z","title_canon_sha256":"5a11bd4a90790680390e99dbf699a4dc95295c5e2cbaa4d72ab9105298e5ddd7"},"schema_version":"1.0","source":{"id":"2308.08924","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2308.08924","created_at":"2026-07-05T09:45:40Z"},{"alias_kind":"arxiv_version","alias_value":"2308.08924v2","created_at":"2026-07-05T09:45:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2308.08924","created_at":"2026-07-05T09:45:40Z"},{"alias_kind":"pith_short_12","alias_value":"ULTI4DBNAEVR","created_at":"2026-07-05T09:45:40Z"},{"alias_kind":"pith_short_16","alias_value":"ULTI4DBNAEVRLHFN","created_at":"2026-07-05T09:45:40Z"},{"alias_kind":"pith_short_8","alias_value":"ULTI4DBN","created_at":"2026-07-05T09:45:40Z"}],"graph_snapshots":[{"event_id":"sha256:967431ea4f379b16d0a0500979ebac81e1ca316b6e74ef58e4d1711c55686b04","target":"graph","created_at":"2026-07-05T09:45:40Z","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/2308.08924/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Camouflaged object detection (COD) aims to accurately detect objects hidden in the surrounding environment. However, the existing COD methods mainly locate camouflaged objects in the RGB domain, their performance has not been fully exploited in many challenging scenarios. Considering that the features of the camouflaged object and the background are more discriminative in the frequency domain, we propose a novel learnable and separable frequency perception mechanism driven by the semantic hierarchy in the frequency domain. Our entire network adopts a two-stage model, including a frequency-guid","authors_text":"Mengyao Sun, Runmin Cong, Sanyi Zhang, Wei Zhang, Xiaofei Zhou, Yao Zhao","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cs.CV","submitted_at":"2023-08-17T11:30:46Z","title":"Frequency Perception Network for Camouflaged Object Detection"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2308.08924","kind":"arxiv","version":2},"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":"sha256:628c6aaa22fdc4ad801ae7dcdc7d1ece7dbd1ff460c977eed07783b8758ace7f","target":"record","created_at":"2026-07-05T09:45:40Z","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":"30c270c15a87fe7f9bea8e56af28ae744abef3c848f72929080c2ac9ad54e4a9","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cs.CV","submitted_at":"2023-08-17T11:30:46Z","title_canon_sha256":"5a11bd4a90790680390e99dbf699a4dc95295c5e2cbaa4d72ab9105298e5ddd7"},"schema_version":"1.0","source":{"id":"2308.08924","kind":"arxiv","version":2}},"canonical_sha256":"a2e68e0c2d012b159cad3c178d718c066b8fae2b52cc899bf7dbdc5584651a99","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a2e68e0c2d012b159cad3c178d718c066b8fae2b52cc899bf7dbdc5584651a99","first_computed_at":"2026-07-05T09:45:40.769758Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T09:45:40.769758Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"iU/wSGzjNQ6LUFUIZMNevAmIlUadft/9NZwcv7iSKQWVebAQj/wK5DM1LBHMgB4tByQ7qibf8GrlzxjedVpyBg==","signature_status":"signed_v1","signed_at":"2026-07-05T09:45:40.770200Z","signed_message":"canonical_sha256_bytes"},"source_id":"2308.08924","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:628c6aaa22fdc4ad801ae7dcdc7d1ece7dbd1ff460c977eed07783b8758ace7f","sha256:967431ea4f379b16d0a0500979ebac81e1ca316b6e74ef58e4d1711c55686b04"],"state_sha256":"4721a7dea6b29130c9c7ac049fb078d6c08ca49d0897414b845c0948c456960a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"v/SYpU29F5qdzB+SRY7KbvjP7+GDZ+cUEWucVEyu9rPGJ3XEsFI7MBhss2ZtdFw7I0JmtqRkqaScd9LcWXuoDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-14T21:49:45.281229Z","bundle_sha256":"8bfb10c8813af5133cce2a37092b174e864306475a77475641a56b1d5c9668a4"}}