{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:J4UWKIWXCYDL6IJENSPKKL6NQV","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":"cd8471c999120df8dcca7e31565234457b697e9d0523114e001298d9c2a1c4e2","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2019-04-10T17:11:50Z","title_canon_sha256":"296f8f04150d239ca823be8ae1cec367a116d1205e993fea64618eca6d450850"},"schema_version":"1.0","source":{"id":"1904.05304","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1904.05304","created_at":"2026-05-17T23:48:53Z"},{"alias_kind":"arxiv_version","alias_value":"1904.05304v1","created_at":"2026-05-17T23:48:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1904.05304","created_at":"2026-05-17T23:48:53Z"},{"alias_kind":"pith_short_12","alias_value":"J4UWKIWXCYDL","created_at":"2026-05-18T12:33:18Z"},{"alias_kind":"pith_short_16","alias_value":"J4UWKIWXCYDL6IJE","created_at":"2026-05-18T12:33:18Z"},{"alias_kind":"pith_short_8","alias_value":"J4UWKIWX","created_at":"2026-05-18T12:33:18Z"}],"graph_snapshots":[{"event_id":"sha256:c38d8bf5ddf355869c45b4aafe7a46e24acc734531288e3594808688fd5deb77","target":"graph","created_at":"2026-05-17T23:48:53Z","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"},"paper":{"abstract_excerpt":"X-ray baggage security screening is widely used to maintain aviation and transport security. Of particular interest is the focus on automated security X-ray analysis for particular classes of object such as electronics, electrical items, and liquids. However, manual inspection of such items is challenging when dealing with potentially anomalous items. Here we present a dual convolutional neural network (CNN) architecture for automatic anomaly detection within complex security X-ray imagery. We leverage recent advances in region-based (R-CNN), mask-based CNN (Mask R-CNN) and detection architect","authors_text":"Jack W. Barker, Neelanjan Bhowmik, Paolo M. Guillen-Garcia, Samet Ak\\c{c}ay, Toby P. Breckon, Yona Falinie A. Gaus","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2019-04-10T17:11:50Z","title":"Evaluation of a Dual Convolutional Neural Network Architecture for Object-wise Anomaly Detection in Cluttered X-ray Security Imagery"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1904.05304","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:b8c00ac51c9536a4aa2fc468b98acea4c6d451d11082eed996f3fa3e88aeb61b","target":"record","created_at":"2026-05-17T23:48:53Z","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":"cd8471c999120df8dcca7e31565234457b697e9d0523114e001298d9c2a1c4e2","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2019-04-10T17:11:50Z","title_canon_sha256":"296f8f04150d239ca823be8ae1cec367a116d1205e993fea64618eca6d450850"},"schema_version":"1.0","source":{"id":"1904.05304","kind":"arxiv","version":1}},"canonical_sha256":"4f296522d71606bf21246c9ea52fcd855946536ccab024a8f0c75be2b0026ef2","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4f296522d71606bf21246c9ea52fcd855946536ccab024a8f0c75be2b0026ef2","first_computed_at":"2026-05-17T23:48:53.536546Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:48:53.536546Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"wECHZ3jS0L6jcAeOeW4/zqAUhGsO7Xqe+eDsO+1HsQ8qq0V4ehJTNIyMbGcoZnSMXSXG76rXq6KDag5xTxf6Ag==","signature_status":"signed_v1","signed_at":"2026-05-17T23:48:53.537035Z","signed_message":"canonical_sha256_bytes"},"source_id":"1904.05304","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b8c00ac51c9536a4aa2fc468b98acea4c6d451d11082eed996f3fa3e88aeb61b","sha256:c38d8bf5ddf355869c45b4aafe7a46e24acc734531288e3594808688fd5deb77"],"state_sha256":"c709c14f6e962c285176415903fc7ac21b473b726b1f968b6e0cf986f04933fb"}