{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2019:7CLE5GGOVR6YGSKMBLTGXQSYA4","short_pith_number":"pith:7CLE5GGO","schema_version":"1.0","canonical_sha256":"f8964e98ceac7d83494c0ae66bc258072a9f770cbf285e71feebfae2e2e14ef7","source":{"kind":"arxiv","id":"1902.10859","version":2},"attestation_state":"computed","paper":{"title":"PFLD: A Practical Facial Landmark Detector","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.CV","authors_text":"Haibin Ling, Jiawan Zhang, Jiayi Ma, Jinke Yu, Lin Ma, Siyuan Li, Wei Liu, Xiaojie Guo","submitted_at":"2019-02-28T01:45:55Z","abstract_excerpt":"Being accurate, efficient, and compact is essential to a facial landmark detector for practical use. To simultaneously consider the three concerns, this paper investigates a neat model with promising detection accuracy under wild environments e.g., unconstrained pose, expression, lighting, and occlusion conditions) and super real-time speed on a mobile device. More concretely, we customize an end-to-end single stage network associated with acceleration techniques. During the training phase, for each sample, rotation information is estimated for geometrically regularizing landmark localization,"},"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":"1902.10859","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2019-02-28T01:45:55Z","cross_cats_sorted":[],"title_canon_sha256":"66e77a439f0487eb9322321b6a578975d7177fd0836835b765b88e623e3fc8b2","abstract_canon_sha256":"9ca302bd375abff6b06e1bd695d1d40140e810794dd51e2418493b0c69d2507c"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:52:14.422111Z","signature_b64":"Hy373Hdi9sWt6gh5zrkZBX9L8TjYnc7JDvW0areBxFRnOy7JaMIILZGMY0PZReIo48BfgKLWR6Kw/XTWY/6kCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f8964e98ceac7d83494c0ae66bc258072a9f770cbf285e71feebfae2e2e14ef7","last_reissued_at":"2026-05-17T23:52:14.421441Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:52:14.421441Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"PFLD: A Practical Facial Landmark Detector","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.CV","authors_text":"Haibin Ling, Jiawan Zhang, Jiayi Ma, Jinke Yu, Lin Ma, Siyuan Li, Wei Liu, Xiaojie Guo","submitted_at":"2019-02-28T01:45:55Z","abstract_excerpt":"Being accurate, efficient, and compact is essential to a facial landmark detector for practical use. To simultaneously consider the three concerns, this paper investigates a neat model with promising detection accuracy under wild environments e.g., unconstrained pose, expression, lighting, and occlusion conditions) and super real-time speed on a mobile device. More concretely, we customize an end-to-end single stage network associated with acceleration techniques. During the training phase, for each sample, rotation information is estimated for geometrically regularizing landmark localization,"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1902.10859","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":""},"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":"1902.10859","created_at":"2026-05-17T23:52:14.421531+00:00"},{"alias_kind":"arxiv_version","alias_value":"1902.10859v2","created_at":"2026-05-17T23:52:14.421531+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1902.10859","created_at":"2026-05-17T23:52:14.421531+00:00"},{"alias_kind":"pith_short_12","alias_value":"7CLE5GGOVR6Y","created_at":"2026-05-18T12:33:12.712433+00:00"},{"alias_kind":"pith_short_16","alias_value":"7CLE5GGOVR6YGSKM","created_at":"2026-05-18T12:33:12.712433+00:00"},{"alias_kind":"pith_short_8","alias_value":"7CLE5GGO","created_at":"2026-05-18T12:33:12.712433+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/7CLE5GGOVR6YGSKMBLTGXQSYA4","json":"https://pith.science/pith/7CLE5GGOVR6YGSKMBLTGXQSYA4.json","graph_json":"https://pith.science/api/pith-number/7CLE5GGOVR6YGSKMBLTGXQSYA4/graph.json","events_json":"https://pith.science/api/pith-number/7CLE5GGOVR6YGSKMBLTGXQSYA4/events.json","paper":"https://pith.science/paper/7CLE5GGO"},"agent_actions":{"view_html":"https://pith.science/pith/7CLE5GGOVR6YGSKMBLTGXQSYA4","download_json":"https://pith.science/pith/7CLE5GGOVR6YGSKMBLTGXQSYA4.json","view_paper":"https://pith.science/paper/7CLE5GGO","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1902.10859&json=true","fetch_graph":"https://pith.science/api/pith-number/7CLE5GGOVR6YGSKMBLTGXQSYA4/graph.json","fetch_events":"https://pith.science/api/pith-number/7CLE5GGOVR6YGSKMBLTGXQSYA4/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/7CLE5GGOVR6YGSKMBLTGXQSYA4/action/timestamp_anchor","attest_storage":"https://pith.science/pith/7CLE5GGOVR6YGSKMBLTGXQSYA4/action/storage_attestation","attest_author":"https://pith.science/pith/7CLE5GGOVR6YGSKMBLTGXQSYA4/action/author_attestation","sign_citation":"https://pith.science/pith/7CLE5GGOVR6YGSKMBLTGXQSYA4/action/citation_signature","submit_replication":"https://pith.science/pith/7CLE5GGOVR6YGSKMBLTGXQSYA4/action/replication_record"}},"created_at":"2026-05-17T23:52:14.421531+00:00","updated_at":"2026-05-17T23:52:14.421531+00:00"}