{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2023:6YC7HFX4RPVMA7D56X7VSO3V44","short_pith_number":"pith:6YC7HFX4","schema_version":"1.0","canonical_sha256":"f605f396fc8beac07c7df5ff593b75e70627b077d0851d0960a535b34ca90001","source":{"kind":"arxiv","id":"2401.10256","version":1},"attestation_state":"computed","paper":{"title":"Active headrest combined with a depth camera-based ear-positioning system","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["eess.IV"],"primary_cat":"cs.CV","authors_text":"Haishan Zou, Haowen Li, Jing Lu, Yuteng Liu, Zhibin Lin","submitted_at":"2023-12-25T10:28:19Z","abstract_excerpt":"Active headrests can reduce low-frequency noise around ears based on active noise control (ANC) system. Both the control system using fixed control filters and the remote microphone-based adaptive control system provide good noise reduction performance when the head is in the original position. However, their performance degrades significantly when the head is in motion. In this paper, a human ear-positioning system based on the depth camera is introduced to address this problem. The system uses RTMpose model to estimate the two-dimensional (2D) positions of the ears in the color frame, and th"},"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":"2401.10256","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2023-12-25T10:28:19Z","cross_cats_sorted":["eess.IV"],"title_canon_sha256":"4d87539cbc1b1892e1e67ba7a761dd209408bc289d80394fb17d77b674771010","abstract_canon_sha256":"40d048f51bcc369e1a47d772c84a27dd3d6a74eb451f2dcf15c558259eb07f25"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T07:35:09.207005Z","signature_b64":"SgBRKL4om2llGlIa3qkIrkcHLptbA6FQqYVvuTFXGXWn6FnTPwPEWnIjw5Oj+8KrhONtQsAV6pTfnyQODEpCAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f605f396fc8beac07c7df5ff593b75e70627b077d0851d0960a535b34ca90001","last_reissued_at":"2026-07-05T07:35:09.206040Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T07:35:09.206040Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Active headrest combined with a depth camera-based ear-positioning system","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["eess.IV"],"primary_cat":"cs.CV","authors_text":"Haishan Zou, Haowen Li, Jing Lu, Yuteng Liu, Zhibin Lin","submitted_at":"2023-12-25T10:28:19Z","abstract_excerpt":"Active headrests can reduce low-frequency noise around ears based on active noise control (ANC) system. Both the control system using fixed control filters and the remote microphone-based adaptive control system provide good noise reduction performance when the head is in the original position. However, their performance degrades significantly when the head is in motion. In this paper, a human ear-positioning system based on the depth camera is introduced to address this problem. The system uses RTMpose model to estimate the two-dimensional (2D) positions of the ears in the color frame, and th"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2401.10256","kind":"arxiv","version":1},"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/2401.10256/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":"2401.10256","created_at":"2026-07-05T07:35:09.206107+00:00"},{"alias_kind":"arxiv_version","alias_value":"2401.10256v1","created_at":"2026-07-05T07:35:09.206107+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2401.10256","created_at":"2026-07-05T07:35:09.206107+00:00"},{"alias_kind":"pith_short_12","alias_value":"6YC7HFX4RPVM","created_at":"2026-07-05T07:35:09.206107+00:00"},{"alias_kind":"pith_short_16","alias_value":"6YC7HFX4RPVMA7D5","created_at":"2026-07-05T07:35:09.206107+00:00"},{"alias_kind":"pith_short_8","alias_value":"6YC7HFX4","created_at":"2026-07-05T07:35:09.206107+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/6YC7HFX4RPVMA7D56X7VSO3V44","json":"https://pith.science/pith/6YC7HFX4RPVMA7D56X7VSO3V44.json","graph_json":"https://pith.science/api/pith-number/6YC7HFX4RPVMA7D56X7VSO3V44/graph.json","events_json":"https://pith.science/api/pith-number/6YC7HFX4RPVMA7D56X7VSO3V44/events.json","paper":"https://pith.science/paper/6YC7HFX4"},"agent_actions":{"view_html":"https://pith.science/pith/6YC7HFX4RPVMA7D56X7VSO3V44","download_json":"https://pith.science/pith/6YC7HFX4RPVMA7D56X7VSO3V44.json","view_paper":"https://pith.science/paper/6YC7HFX4","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2401.10256&json=true","fetch_graph":"https://pith.science/api/pith-number/6YC7HFX4RPVMA7D56X7VSO3V44/graph.json","fetch_events":"https://pith.science/api/pith-number/6YC7HFX4RPVMA7D56X7VSO3V44/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/6YC7HFX4RPVMA7D56X7VSO3V44/action/timestamp_anchor","attest_storage":"https://pith.science/pith/6YC7HFX4RPVMA7D56X7VSO3V44/action/storage_attestation","attest_author":"https://pith.science/pith/6YC7HFX4RPVMA7D56X7VSO3V44/action/author_attestation","sign_citation":"https://pith.science/pith/6YC7HFX4RPVMA7D56X7VSO3V44/action/citation_signature","submit_replication":"https://pith.science/pith/6YC7HFX4RPVMA7D56X7VSO3V44/action/replication_record"}},"created_at":"2026-07-05T07:35:09.206107+00:00","updated_at":"2026-07-05T07:35:09.206107+00:00"}