{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:V2GGMNMGI5ACE7R2DKILB65RSH","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":"e5b4e5e7870ec387b1a63f81a83297396c383ad6a34a4a37b4619f694c145cd1","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2014-12-17T10:58:46Z","title_canon_sha256":"855270bc67571e1d2d24e5864dc51264615fbcc4677f31a0f13bc51753933e00"},"schema_version":"1.0","source":{"id":"1412.5334","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1412.5334","created_at":"2026-05-18T02:31:03Z"},{"alias_kind":"arxiv_version","alias_value":"1412.5334v1","created_at":"2026-05-18T02:31:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1412.5334","created_at":"2026-05-18T02:31:03Z"},{"alias_kind":"pith_short_12","alias_value":"V2GGMNMGI5AC","created_at":"2026-05-18T12:28:52Z"},{"alias_kind":"pith_short_16","alias_value":"V2GGMNMGI5ACE7R2","created_at":"2026-05-18T12:28:52Z"},{"alias_kind":"pith_short_8","alias_value":"V2GGMNMG","created_at":"2026-05-18T12:28:52Z"}],"graph_snapshots":[{"event_id":"sha256:938354cbc93d8c7f341332b49ef18a3d577e3b56615c9de02e44c6aed0f5731b","target":"graph","created_at":"2026-05-18T02:31:03Z","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"},"paper":{"abstract_excerpt":"The logarithmic model offers new tools for image processing. An efficient method for image enhancement is to use an affine transformation with the logarithmic operations: addition and scalar multiplication. We define some criteria for automatically determining the parameters of the processing and this is done via mean and variance computed by logarithmic operations.","authors_text":"Vasile Buzuloiu, Vasile Patrascu","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2014-12-17T10:58:46Z","title":"The Affine Transforms for Image Enhancement in the Context of Logarithmic Models"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1412.5334","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":"sha256:93e50eb7232be91973e9b4dca59e5495b101d8c63e3001c01df4550dae71b343","target":"record","created_at":"2026-05-18T02:31:03Z","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":"e5b4e5e7870ec387b1a63f81a83297396c383ad6a34a4a37b4619f694c145cd1","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2014-12-17T10:58:46Z","title_canon_sha256":"855270bc67571e1d2d24e5864dc51264615fbcc4677f31a0f13bc51753933e00"},"schema_version":"1.0","source":{"id":"1412.5334","kind":"arxiv","version":1}},"canonical_sha256":"ae8c6635864740227e3a1a90b0fbb191e24cf3b7d179217abfcf533eb5fec712","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ae8c6635864740227e3a1a90b0fbb191e24cf3b7d179217abfcf533eb5fec712","first_computed_at":"2026-05-18T02:31:03.214298Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:31:03.214298Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"UioZFpEAw6SkF5AXgIFTP3xkliltg+4vnMs5UEGsltv8shk9avx21U5Y7Fl02tJYEEp7nShmAIE10g1PMepqBw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:31:03.214811Z","signed_message":"canonical_sha256_bytes"},"source_id":"1412.5334","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:93e50eb7232be91973e9b4dca59e5495b101d8c63e3001c01df4550dae71b343","sha256:938354cbc93d8c7f341332b49ef18a3d577e3b56615c9de02e44c6aed0f5731b"],"state_sha256":"6b56fc787ce5da32c54c64b93ac565fbdbb6014f906a0d4191000b8e12f65792"}