{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:ZQ27XPFXU4C676UJNGFQP2LJAV","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"73f8b4cee2c79474c06e86763557d3967683abf1fbde350fa36ac8a1c839a72f","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2023-01-30T18:51:14Z","title_canon_sha256":"13a28bb40d4b5e7e81d5a322a70ec1ddf6c1be0e34c30e6a26498cba8be88cea"},"schema_version":"1.0","source":{"id":"2301.13186","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2301.13186","created_at":"2026-07-05T05:37:01Z"},{"alias_kind":"arxiv_version","alias_value":"2301.13186v1","created_at":"2026-07-05T05:37:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2301.13186","created_at":"2026-07-05T05:37:01Z"},{"alias_kind":"pith_short_12","alias_value":"ZQ27XPFXU4C6","created_at":"2026-07-05T05:37:01Z"},{"alias_kind":"pith_short_16","alias_value":"ZQ27XPFXU4C676UJ","created_at":"2026-07-05T05:37:01Z"},{"alias_kind":"pith_short_8","alias_value":"ZQ27XPFX","created_at":"2026-07-05T05:37:01Z"}],"graph_snapshots":[{"event_id":"sha256:5e33c51e311fc92978e080534e70e8d3665c6e21937733780b02522c4b985e28","target":"graph","created_at":"2026-07-05T05:37:01Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2301.13186/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Rather than regressing gaze direction directly from images, we show that adding a 3D shape model can: i) improve gaze estimation accuracy, ii) perform well with lower resolution inputs and iii) provide a richer understanding of the eye-region and its constituent gaze system. Specifically, we use an `eyes and nose' 3D morphable model (3DMM) to capture the eye-region 3D facial geometry and appearance and we equip this with a geometric vergence model of gaze to give an `active-gaze 3DMM'. We show that our approach achieves state-of-the-art results on the Eyediap dataset and we present an ablation","authors_text":"Hao Sun, Nick Pears","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2023-01-30T18:51:14Z","title":"Accurate Gaze Estimation using an Active-gaze Morphable Model"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2301.13186","kind":"arxiv","version":1},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:68cd81bd396a280b3deb1e7cf6b56cc3e69c6b08f300d51722de6ed51bbba6e7","target":"record","created_at":"2026-07-05T05:37:01Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"73f8b4cee2c79474c06e86763557d3967683abf1fbde350fa36ac8a1c839a72f","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2023-01-30T18:51:14Z","title_canon_sha256":"13a28bb40d4b5e7e81d5a322a70ec1ddf6c1be0e34c30e6a26498cba8be88cea"},"schema_version":"1.0","source":{"id":"2301.13186","kind":"arxiv","version":1}},"canonical_sha256":"cc35fbbcb7a705effa89698b07e969057a8c4858d7fc15a90a893300889266e3","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"cc35fbbcb7a705effa89698b07e969057a8c4858d7fc15a90a893300889266e3","first_computed_at":"2026-07-05T05:37:01.617566Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T05:37:01.617566Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"sgUVHOQ671+P7nyTNPoDkbdgfcayM9IK/Q40+XN313a1OLOHXZLaVWGgCEDo3Cqhv5OrPLRlfdBepjy20EBvAA==","signature_status":"signed_v1","signed_at":"2026-07-05T05:37:01.618027Z","signed_message":"canonical_sha256_bytes"},"source_id":"2301.13186","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:68cd81bd396a280b3deb1e7cf6b56cc3e69c6b08f300d51722de6ed51bbba6e7","sha256:5e33c51e311fc92978e080534e70e8d3665c6e21937733780b02522c4b985e28"],"state_sha256":"71593ddb997b0e35c2c88ab365f9da34aa8ed36368867c69a053babd3e5fc7fe"}