{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2019:PKPKTWEUIDSS4C6EKVRUIGWRN4","short_pith_number":"pith:PKPKTWEU","schema_version":"1.0","canonical_sha256":"7a9ea9d89440e52e0bc45563441ad16f19f4c42b4e7526550a35dfa4390bdcb6","source":{"kind":"arxiv","id":"1902.09179","version":1},"attestation_state":"computed","paper":{"title":"Robust Sound Source Localization considering Similarity of Back-Propagation Signals","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.RO","eess.AS"],"primary_cat":"cs.SD","authors_text":"Byeongho Jo, Doheon Lee, Inkyu An, Jung-Woo Choi, Sung-Eui Yoon","submitted_at":"2019-02-25T10:18:22Z","abstract_excerpt":"We present a novel, robust sound source localization algorithm considering back-propagation signals. Sound propagation paths are estimated by generating direct and reflection acoustic rays based on ray tracing in a backward manner. We then compute the back-propagation signals by designing and using the impulse response of the backward sound propagation based on the acoustic ray paths. For identifying the 3D source position, we suggest a localization method based on the Monte Carlo localization algorithm. Candidates for a source position is determined by identifying the convergence regions of a"},"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":"1902.09179","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SD","submitted_at":"2019-02-25T10:18:22Z","cross_cats_sorted":["cs.RO","eess.AS"],"title_canon_sha256":"7073707a54ef11e368d3cb353fd9fefcbc0f7b4dcf1cd8214f5652e1b945040e","abstract_canon_sha256":"c65f1930ca867da9b6d155cea9b6913c43bda1398eff39d7f9a17c1c3d1bb498"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:52:46.463866Z","signature_b64":"ZQnBx1pFr+hfsyM0kZ5Bnhdfs82Lsc6SpgkWTefYqbY0zEM89mex8A74ppZ48PlmkFKEG5YqOc3rKi2LvV0ACQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7a9ea9d89440e52e0bc45563441ad16f19f4c42b4e7526550a35dfa4390bdcb6","last_reissued_at":"2026-05-17T23:52:46.463375Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:52:46.463375Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Robust Sound Source Localization considering Similarity of Back-Propagation Signals","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.RO","eess.AS"],"primary_cat":"cs.SD","authors_text":"Byeongho Jo, Doheon Lee, Inkyu An, Jung-Woo Choi, Sung-Eui Yoon","submitted_at":"2019-02-25T10:18:22Z","abstract_excerpt":"We present a novel, robust sound source localization algorithm considering back-propagation signals. Sound propagation paths are estimated by generating direct and reflection acoustic rays based on ray tracing in a backward manner. We then compute the back-propagation signals by designing and using the impulse response of the backward sound propagation based on the acoustic ray paths. For identifying the 3D source position, we suggest a localization method based on the Monte Carlo localization algorithm. Candidates for a source position is determined by identifying the convergence regions of a"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1902.09179","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":""},"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":"1902.09179","created_at":"2026-05-17T23:52:46.463458+00:00"},{"alias_kind":"arxiv_version","alias_value":"1902.09179v1","created_at":"2026-05-17T23:52:46.463458+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1902.09179","created_at":"2026-05-17T23:52:46.463458+00:00"},{"alias_kind":"pith_short_12","alias_value":"PKPKTWEUIDSS","created_at":"2026-05-18T12:33:24.271573+00:00"},{"alias_kind":"pith_short_16","alias_value":"PKPKTWEUIDSS4C6E","created_at":"2026-05-18T12:33:24.271573+00:00"},{"alias_kind":"pith_short_8","alias_value":"PKPKTWEU","created_at":"2026-05-18T12:33:24.271573+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/PKPKTWEUIDSS4C6EKVRUIGWRN4","json":"https://pith.science/pith/PKPKTWEUIDSS4C6EKVRUIGWRN4.json","graph_json":"https://pith.science/api/pith-number/PKPKTWEUIDSS4C6EKVRUIGWRN4/graph.json","events_json":"https://pith.science/api/pith-number/PKPKTWEUIDSS4C6EKVRUIGWRN4/events.json","paper":"https://pith.science/paper/PKPKTWEU"},"agent_actions":{"view_html":"https://pith.science/pith/PKPKTWEUIDSS4C6EKVRUIGWRN4","download_json":"https://pith.science/pith/PKPKTWEUIDSS4C6EKVRUIGWRN4.json","view_paper":"https://pith.science/paper/PKPKTWEU","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1902.09179&json=true","fetch_graph":"https://pith.science/api/pith-number/PKPKTWEUIDSS4C6EKVRUIGWRN4/graph.json","fetch_events":"https://pith.science/api/pith-number/PKPKTWEUIDSS4C6EKVRUIGWRN4/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/PKPKTWEUIDSS4C6EKVRUIGWRN4/action/timestamp_anchor","attest_storage":"https://pith.science/pith/PKPKTWEUIDSS4C6EKVRUIGWRN4/action/storage_attestation","attest_author":"https://pith.science/pith/PKPKTWEUIDSS4C6EKVRUIGWRN4/action/author_attestation","sign_citation":"https://pith.science/pith/PKPKTWEUIDSS4C6EKVRUIGWRN4/action/citation_signature","submit_replication":"https://pith.science/pith/PKPKTWEUIDSS4C6EKVRUIGWRN4/action/replication_record"}},"created_at":"2026-05-17T23:52:46.463458+00:00","updated_at":"2026-05-17T23:52:46.463458+00:00"}