{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2023:NHLUE2QRLFCBSL3S7F3QUITFDJ","short_pith_number":"pith:NHLUE2QR","schema_version":"1.0","canonical_sha256":"69d7426a115944192f72f9770a22651a445d6faa5e5a2a7d2b95d1d204751e37","source":{"kind":"arxiv","id":"2304.04019","version":2},"attestation_state":"computed","paper":{"title":"Optimal biasing and physical limits of DVS event noise","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","headline":"","cross_cats":["cs.SY"],"primary_cat":"eess.SY","authors_text":"Brian Mcreynolds, Rui Graca, Tobi Delbruck","submitted_at":"2023-04-08T14:29:18Z","abstract_excerpt":"Under dim lighting conditions, the output of Dynamic Vision Sensor (DVS) event cameras is strongly affected by noise. Photon and electron shot-noise cause a high rate of non-informative events that reduce Signal to Noise ratio. DVS noise performance depends not only on the scene illumination, but also on the user-controllable biasing of the camera. In this paper, we explore the physical limits of DVS noise, showing that the DVS photoreceptor is limited to a theoretical minimum of 2x photon shot noise, and we discuss how biasing the DVS with high photoreceptor bias and adequate source-follower "},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"2304.04019","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"eess.SY","submitted_at":"2023-04-08T14:29:18Z","cross_cats_sorted":["cs.SY"],"title_canon_sha256":"4203ef067b89fd56326e6e0e656258897dab70da4eddcd12d705619367bc62bf","abstract_canon_sha256":"6ad715b26a30c0d69dda78f855d8dcccb48d477992bb98bfe78c16bb7b455684"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T06:00:17.638327Z","signature_b64":"doVeK3x/KhNXmxjse3R8kmavpaAZHEBR6qhUneonib9b8PMZAJrscoL9B5gsoSCQGWovCCVkMkv17QyvVgkUAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"69d7426a115944192f72f9770a22651a445d6faa5e5a2a7d2b95d1d204751e37","last_reissued_at":"2026-07-05T06:00:17.637842Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T06:00:17.637842Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Optimal biasing and physical limits of DVS event noise","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","headline":"","cross_cats":["cs.SY"],"primary_cat":"eess.SY","authors_text":"Brian Mcreynolds, Rui Graca, Tobi Delbruck","submitted_at":"2023-04-08T14:29:18Z","abstract_excerpt":"Under dim lighting conditions, the output of Dynamic Vision Sensor (DVS) event cameras is strongly affected by noise. Photon and electron shot-noise cause a high rate of non-informative events that reduce Signal to Noise ratio. DVS noise performance depends not only on the scene illumination, but also on the user-controllable biasing of the camera. In this paper, we explore the physical limits of DVS noise, showing that the DVS photoreceptor is limited to a theoretical minimum of 2x photon shot noise, and we discuss how biasing the DVS with high photoreceptor bias and adequate source-follower "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2304.04019","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/2304.04019/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"},"aliases":[{"alias_kind":"arxiv","alias_value":"2304.04019","created_at":"2026-07-05T06:00:17.637899+00:00"},{"alias_kind":"arxiv_version","alias_value":"2304.04019v2","created_at":"2026-07-05T06:00:17.637899+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2304.04019","created_at":"2026-07-05T06:00:17.637899+00:00"},{"alias_kind":"pith_short_12","alias_value":"NHLUE2QRLFCB","created_at":"2026-07-05T06:00:17.637899+00:00"},{"alias_kind":"pith_short_16","alias_value":"NHLUE2QRLFCBSL3S","created_at":"2026-07-05T06:00:17.637899+00:00"},{"alias_kind":"pith_short_8","alias_value":"NHLUE2QR","created_at":"2026-07-05T06:00:17.637899+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/NHLUE2QRLFCBSL3S7F3QUITFDJ","json":"https://pith.science/pith/NHLUE2QRLFCBSL3S7F3QUITFDJ.json","graph_json":"https://pith.science/api/pith-number/NHLUE2QRLFCBSL3S7F3QUITFDJ/graph.json","events_json":"https://pith.science/api/pith-number/NHLUE2QRLFCBSL3S7F3QUITFDJ/events.json","paper":"https://pith.science/paper/NHLUE2QR"},"agent_actions":{"view_html":"https://pith.science/pith/NHLUE2QRLFCBSL3S7F3QUITFDJ","download_json":"https://pith.science/pith/NHLUE2QRLFCBSL3S7F3QUITFDJ.json","view_paper":"https://pith.science/paper/NHLUE2QR","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2304.04019&json=true","fetch_graph":"https://pith.science/api/pith-number/NHLUE2QRLFCBSL3S7F3QUITFDJ/graph.json","fetch_events":"https://pith.science/api/pith-number/NHLUE2QRLFCBSL3S7F3QUITFDJ/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/NHLUE2QRLFCBSL3S7F3QUITFDJ/action/timestamp_anchor","attest_storage":"https://pith.science/pith/NHLUE2QRLFCBSL3S7F3QUITFDJ/action/storage_attestation","attest_author":"https://pith.science/pith/NHLUE2QRLFCBSL3S7F3QUITFDJ/action/author_attestation","sign_citation":"https://pith.science/pith/NHLUE2QRLFCBSL3S7F3QUITFDJ/action/citation_signature","submit_replication":"https://pith.science/pith/NHLUE2QRLFCBSL3S7F3QUITFDJ/action/replication_record"}},"created_at":"2026-07-05T06:00:17.637899+00:00","updated_at":"2026-07-05T06:00:17.637899+00:00"}