{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:EJR2SYFZCCUISVPX422RRKVIQX","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":"e9e41faef787858bf39cc2908be28115b6421d9d5167e488e3c2a4efe0b286fb","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2017-12-14T14:09:36Z","title_canon_sha256":"7c42b62d0d88659aa406fb7a2c7961ccddca096896364d09c575f241c3028415"},"schema_version":"1.0","source":{"id":"1712.05231","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1712.05231","created_at":"2026-05-18T00:01:23Z"},{"alias_kind":"arxiv_version","alias_value":"1712.05231v2","created_at":"2026-05-18T00:01:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1712.05231","created_at":"2026-05-18T00:01:23Z"},{"alias_kind":"pith_short_12","alias_value":"EJR2SYFZCCUI","created_at":"2026-05-18T12:31:12Z"},{"alias_kind":"pith_short_16","alias_value":"EJR2SYFZCCUISVPX","created_at":"2026-05-18T12:31:12Z"},{"alias_kind":"pith_short_8","alias_value":"EJR2SYFZ","created_at":"2026-05-18T12:31:12Z"}],"graph_snapshots":[{"event_id":"sha256:8df8845511b08fbdbcc78973a913d25f1bd8e8c9d630d343ecee903ae1c90f17","target":"graph","created_at":"2026-05-18T00:01:23Z","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"},"paper":{"abstract_excerpt":"Most of existing correlation filter-based tracking approaches only estimate simple axis-aligned bounding boxes, and very few of them is capable of recovering the underlying similarity transformation. To tackle this challenging problem, in this paper, we propose a new correlation filter-based tracker with a novel robust estimation of similarity transformation on the large displacements. In order to efficiently search in such a large 4-DoF space in real-time, we formulate the problem into two 2-DoF sub-problems and apply an efficient Block Coordinates Descent solver to optimize the estimation re","authors_text":"Hantang Liu, Jianke Zhu, Steven C.H. Hoi, Wenjie Song, Yang Li, Zhefeng Wang","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2017-12-14T14:09:36Z","title":"Robust Estimation of Similarity Transformation for Visual Object Tracking"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1712.05231","kind":"arxiv","version":2},"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":"sha256:4e8cf40ccd7b4735dbfbade6987734ce8abc12538c95b2a1f762debefa06ce78","target":"record","created_at":"2026-05-18T00:01:23Z","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":"e9e41faef787858bf39cc2908be28115b6421d9d5167e488e3c2a4efe0b286fb","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2017-12-14T14:09:36Z","title_canon_sha256":"7c42b62d0d88659aa406fb7a2c7961ccddca096896364d09c575f241c3028415"},"schema_version":"1.0","source":{"id":"1712.05231","kind":"arxiv","version":2}},"canonical_sha256":"2263a960b910a88955f7e6b518aaa885e31b8512c3bea8153291e53cd81ab664","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2263a960b910a88955f7e6b518aaa885e31b8512c3bea8153291e53cd81ab664","first_computed_at":"2026-05-18T00:01:23.517261Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:01:23.517261Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"T5LScZSgeuwLPIFonUJ1su041tzJogEXpWtlciT7HAeVioHeEwWGsuRnW4B+B7Oezab+ZTkjWLd7VGTnUs4WAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:01:23.517696Z","signed_message":"canonical_sha256_bytes"},"source_id":"1712.05231","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4e8cf40ccd7b4735dbfbade6987734ce8abc12538c95b2a1f762debefa06ce78","sha256:8df8845511b08fbdbcc78973a913d25f1bd8e8c9d630d343ecee903ae1c90f17"],"state_sha256":"b72c978022c5712c4d8b12f5a0811406d28b10dcbc3798a0a30bf9e208c0b84c"}