{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:3ADBNPGQDMAVHDQCM3KVBLJ37U","short_pith_number":"pith:3ADBNPGQ","schema_version":"1.0","canonical_sha256":"d80616bcd01b01538e0266d550ad3bfd0473b508801b1d0f812a332e1f88e9cf","source":{"kind":"arxiv","id":"1808.02313","version":1},"attestation_state":"computed","paper":{"title":"Deep Factorised Inverse-Sketching","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.CV","authors_text":"Da Li, Jifei Song, Kaiyue Pang, Tao Xiang, Timothy M. Hospedales, Yi-Zhe Song","submitted_at":"2018-08-07T11:51:20Z","abstract_excerpt":"Modelling human free-hand sketches has become topical recently, driven by practical applications such as fine-grained sketch based image retrieval (FG-SBIR). Sketches are clearly related to photo edge-maps, but a human free-hand sketch of a photo is not simply a clean rendering of that photo's edge map. Instead there is a fundamental process of abstraction and iconic rendering, where overall geometry is warped and salient details are selectively included. In this paper we study this sketching process and attempt to invert it. We model this inversion by translating iconic free-hand sketches to "},"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":"1808.02313","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2018-08-07T11:51:20Z","cross_cats_sorted":[],"title_canon_sha256":"4c43d1baaeaf7f23d283491fb8fcc19737808eeaac19625a91c09ec8d20bec22","abstract_canon_sha256":"72f6114390e18315f556cb20f73cf57b0143fdb9e5b1f0af4d119ae3a379cb02"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:08:46.924721Z","signature_b64":"OXG7Mt5aglCvjuApzLWOX+mbtkQAk5hBiVagk1EHf3A3PFgAmql2Oekc90M9Xlxwvbo1XC1EdmxYoNBYgq0JCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d80616bcd01b01538e0266d550ad3bfd0473b508801b1d0f812a332e1f88e9cf","last_reissued_at":"2026-05-18T00:08:46.924109Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:08:46.924109Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Deep Factorised Inverse-Sketching","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.CV","authors_text":"Da Li, Jifei Song, Kaiyue Pang, Tao Xiang, Timothy M. Hospedales, Yi-Zhe Song","submitted_at":"2018-08-07T11:51:20Z","abstract_excerpt":"Modelling human free-hand sketches has become topical recently, driven by practical applications such as fine-grained sketch based image retrieval (FG-SBIR). Sketches are clearly related to photo edge-maps, but a human free-hand sketch of a photo is not simply a clean rendering of that photo's edge map. Instead there is a fundamental process of abstraction and iconic rendering, where overall geometry is warped and salient details are selectively included. In this paper we study this sketching process and attempt to invert it. We model this inversion by translating iconic free-hand sketches to "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1808.02313","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":"1808.02313","created_at":"2026-05-18T00:08:46.924188+00:00"},{"alias_kind":"arxiv_version","alias_value":"1808.02313v1","created_at":"2026-05-18T00:08:46.924188+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1808.02313","created_at":"2026-05-18T00:08:46.924188+00:00"},{"alias_kind":"pith_short_12","alias_value":"3ADBNPGQDMAV","created_at":"2026-05-18T12:32:02.567920+00:00"},{"alias_kind":"pith_short_16","alias_value":"3ADBNPGQDMAVHDQC","created_at":"2026-05-18T12:32:02.567920+00:00"},{"alias_kind":"pith_short_8","alias_value":"3ADBNPGQ","created_at":"2026-05-18T12:32:02.567920+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/3ADBNPGQDMAVHDQCM3KVBLJ37U","json":"https://pith.science/pith/3ADBNPGQDMAVHDQCM3KVBLJ37U.json","graph_json":"https://pith.science/api/pith-number/3ADBNPGQDMAVHDQCM3KVBLJ37U/graph.json","events_json":"https://pith.science/api/pith-number/3ADBNPGQDMAVHDQCM3KVBLJ37U/events.json","paper":"https://pith.science/paper/3ADBNPGQ"},"agent_actions":{"view_html":"https://pith.science/pith/3ADBNPGQDMAVHDQCM3KVBLJ37U","download_json":"https://pith.science/pith/3ADBNPGQDMAVHDQCM3KVBLJ37U.json","view_paper":"https://pith.science/paper/3ADBNPGQ","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1808.02313&json=true","fetch_graph":"https://pith.science/api/pith-number/3ADBNPGQDMAVHDQCM3KVBLJ37U/graph.json","fetch_events":"https://pith.science/api/pith-number/3ADBNPGQDMAVHDQCM3KVBLJ37U/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/3ADBNPGQDMAVHDQCM3KVBLJ37U/action/timestamp_anchor","attest_storage":"https://pith.science/pith/3ADBNPGQDMAVHDQCM3KVBLJ37U/action/storage_attestation","attest_author":"https://pith.science/pith/3ADBNPGQDMAVHDQCM3KVBLJ37U/action/author_attestation","sign_citation":"https://pith.science/pith/3ADBNPGQDMAVHDQCM3KVBLJ37U/action/citation_signature","submit_replication":"https://pith.science/pith/3ADBNPGQDMAVHDQCM3KVBLJ37U/action/replication_record"}},"created_at":"2026-05-18T00:08:46.924188+00:00","updated_at":"2026-05-18T00:08:46.924188+00:00"}