{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2017:GWVTMSADLIY2TV3WMRANDEKS7S","short_pith_number":"pith:GWVTMSAD","schema_version":"1.0","canonical_sha256":"35ab3648035a31a9d7766440d19152fc8efc6bcceebbed711448aae55413ed6e","source":{"kind":"arxiv","id":"1704.08953","version":3},"attestation_state":"computed","paper":{"title":"Design of robust two-dimensional polynomial beamformers as a convex optimization problem with application to robot audition","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.SD","authors_text":"Hendrik Barfuss, Markus Bachmann, Martin Schneider, Michael Buerger, Walter Kellerman","submitted_at":"2017-04-28T14:30:20Z","abstract_excerpt":"We propose a robust two-dimensional polynomial beamformer design method, formulated as a convex optimization problem, which allows for flexible steering of a previously proposed data-independent robust beamformer in both azimuth and elevation direction.~As an exemplary application, the proposed two-dimensional polynomial beamformer design is applied to a twelve-element microphone array, integrated into the head of a humanoid robot. To account for the effects of the robot's head on the sound field, measured head-related transfer functions are integrated into the optimization problem as steering"},"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":"1704.08953","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SD","submitted_at":"2017-04-28T14:30:20Z","cross_cats_sorted":[],"title_canon_sha256":"5af5a7e369ea6d116fbeac06d165efa680e961b56eb5d4a9d901347d432fbd4a","abstract_canon_sha256":"54884e40dfa478364d0d34cdcc2c3df648068c6009a4a6a344d1d07834ac9ba2"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:39:06.556795Z","signature_b64":"f4aB0lPWsT35WsS0w+HtBqpeWxhJM6+O5APYZ7ZOQtL8159cM/TKCBj7ZQRLYvF4EJMyb6EW1TfqbVGdPtXYAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"35ab3648035a31a9d7766440d19152fc8efc6bcceebbed711448aae55413ed6e","last_reissued_at":"2026-05-18T00:39:06.556086Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:39:06.556086Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Design of robust two-dimensional polynomial beamformers as a convex optimization problem with application to robot audition","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.SD","authors_text":"Hendrik Barfuss, Markus Bachmann, Martin Schneider, Michael Buerger, Walter Kellerman","submitted_at":"2017-04-28T14:30:20Z","abstract_excerpt":"We propose a robust two-dimensional polynomial beamformer design method, formulated as a convex optimization problem, which allows for flexible steering of a previously proposed data-independent robust beamformer in both azimuth and elevation direction.~As an exemplary application, the proposed two-dimensional polynomial beamformer design is applied to a twelve-element microphone array, integrated into the head of a humanoid robot. To account for the effects of the robot's head on the sound field, measured head-related transfer functions are integrated into the optimization problem as steering"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1704.08953","kind":"arxiv","version":3},"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":"1704.08953","created_at":"2026-05-18T00:39:06.556205+00:00"},{"alias_kind":"arxiv_version","alias_value":"1704.08953v3","created_at":"2026-05-18T00:39:06.556205+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1704.08953","created_at":"2026-05-18T00:39:06.556205+00:00"},{"alias_kind":"pith_short_12","alias_value":"GWVTMSADLIY2","created_at":"2026-05-18T12:31:18.294218+00:00"},{"alias_kind":"pith_short_16","alias_value":"GWVTMSADLIY2TV3W","created_at":"2026-05-18T12:31:18.294218+00:00"},{"alias_kind":"pith_short_8","alias_value":"GWVTMSAD","created_at":"2026-05-18T12:31:18.294218+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/GWVTMSADLIY2TV3WMRANDEKS7S","json":"https://pith.science/pith/GWVTMSADLIY2TV3WMRANDEKS7S.json","graph_json":"https://pith.science/api/pith-number/GWVTMSADLIY2TV3WMRANDEKS7S/graph.json","events_json":"https://pith.science/api/pith-number/GWVTMSADLIY2TV3WMRANDEKS7S/events.json","paper":"https://pith.science/paper/GWVTMSAD"},"agent_actions":{"view_html":"https://pith.science/pith/GWVTMSADLIY2TV3WMRANDEKS7S","download_json":"https://pith.science/pith/GWVTMSADLIY2TV3WMRANDEKS7S.json","view_paper":"https://pith.science/paper/GWVTMSAD","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1704.08953&json=true","fetch_graph":"https://pith.science/api/pith-number/GWVTMSADLIY2TV3WMRANDEKS7S/graph.json","fetch_events":"https://pith.science/api/pith-number/GWVTMSADLIY2TV3WMRANDEKS7S/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/GWVTMSADLIY2TV3WMRANDEKS7S/action/timestamp_anchor","attest_storage":"https://pith.science/pith/GWVTMSADLIY2TV3WMRANDEKS7S/action/storage_attestation","attest_author":"https://pith.science/pith/GWVTMSADLIY2TV3WMRANDEKS7S/action/author_attestation","sign_citation":"https://pith.science/pith/GWVTMSADLIY2TV3WMRANDEKS7S/action/citation_signature","submit_replication":"https://pith.science/pith/GWVTMSADLIY2TV3WMRANDEKS7S/action/replication_record"}},"created_at":"2026-05-18T00:39:06.556205+00:00","updated_at":"2026-05-18T00:39:06.556205+00:00"}