{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2026:3EGJC7VXWEAGKCB63Y5RYXQI2E","short_pith_number":"pith:3EGJC7VX","schema_version":"1.0","canonical_sha256":"d90c917eb7b10065083ede3b1c5e08d13eb48679c7cff785589d235b64940931","source":{"kind":"arxiv","id":"2606.29308","version":1},"attestation_state":"computed","paper":{"title":"MirrorPPR: Exemplar-Based Portrait Photo Retouching","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","headline":"","cross_cats":[],"primary_cat":"cs.CV","authors_text":"Fengpei Yu, Jiachun Jin, Siqi Kou, Yitao Jian, Zheng Li, Zhihong Liu, Zhijie Deng","submitted_at":"2026-06-28T10:07:38Z","abstract_excerpt":"While text-guided image editing has made remarkable progress, it remains limited in structural portrait retouching. Textual descriptions struggle to convey fine-grained changes to facial features and body proportions. To address this gap, we introduce Exemplar-Based Portrait Photo Retouching, where the model is given an exemplar pair and tasked with inferring and applying the same retouching operations to a new query image. Existing exemplar-based editing methods primarily focus on tasks with pronounced visual transformations. In contrast, structural portrait retouching involves extremely deli"},"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":"2606.29308","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cs.CV","submitted_at":"2026-06-28T10:07:38Z","cross_cats_sorted":[],"title_canon_sha256":"02a0fe7ac163e6343210b393fbd68dc7469f717585ad9626a434eb6ad51031c1","abstract_canon_sha256":"947d47fe6c6c08ef530be811b0a07e2e6050b5873bb800b032e9572244046eaa"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-06-30T01:18:00.995056Z","signature_b64":"P1pfZWHf/39Enw7mepXKjlKPmrPMYdt9tbJpEWJPu7JowByEp9ACXcB012zwLnBL0XycbMibjcQpIJ2QN0XeAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d90c917eb7b10065083ede3b1c5e08d13eb48679c7cff785589d235b64940931","last_reissued_at":"2026-06-30T01:18:00.994589Z","signature_status":"signed_v1","first_computed_at":"2026-06-30T01:18:00.994589Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"MirrorPPR: Exemplar-Based Portrait Photo Retouching","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","headline":"","cross_cats":[],"primary_cat":"cs.CV","authors_text":"Fengpei Yu, Jiachun Jin, Siqi Kou, Yitao Jian, Zheng Li, Zhihong Liu, Zhijie Deng","submitted_at":"2026-06-28T10:07:38Z","abstract_excerpt":"While text-guided image editing has made remarkable progress, it remains limited in structural portrait retouching. Textual descriptions struggle to convey fine-grained changes to facial features and body proportions. To address this gap, we introduce Exemplar-Based Portrait Photo Retouching, where the model is given an exemplar pair and tasked with inferring and applying the same retouching operations to a new query image. Existing exemplar-based editing methods primarily focus on tasks with pronounced visual transformations. In contrast, structural portrait retouching involves extremely deli"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.29308","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2606.29308/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2606.29308","created_at":"2026-06-30T01:18:00.994657+00:00"},{"alias_kind":"arxiv_version","alias_value":"2606.29308v1","created_at":"2026-06-30T01:18:00.994657+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.29308","created_at":"2026-06-30T01:18:00.994657+00:00"},{"alias_kind":"pith_short_12","alias_value":"3EGJC7VXWEAG","created_at":"2026-06-30T01:18:00.994657+00:00"},{"alias_kind":"pith_short_16","alias_value":"3EGJC7VXWEAGKCB6","created_at":"2026-06-30T01:18:00.994657+00:00"},{"alias_kind":"pith_short_8","alias_value":"3EGJC7VX","created_at":"2026-06-30T01:18:00.994657+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/3EGJC7VXWEAGKCB63Y5RYXQI2E","json":"https://pith.science/pith/3EGJC7VXWEAGKCB63Y5RYXQI2E.json","graph_json":"https://pith.science/api/pith-number/3EGJC7VXWEAGKCB63Y5RYXQI2E/graph.json","events_json":"https://pith.science/api/pith-number/3EGJC7VXWEAGKCB63Y5RYXQI2E/events.json","paper":"https://pith.science/paper/3EGJC7VX"},"agent_actions":{"view_html":"https://pith.science/pith/3EGJC7VXWEAGKCB63Y5RYXQI2E","download_json":"https://pith.science/pith/3EGJC7VXWEAGKCB63Y5RYXQI2E.json","view_paper":"https://pith.science/paper/3EGJC7VX","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2606.29308&json=true","fetch_graph":"https://pith.science/api/pith-number/3EGJC7VXWEAGKCB63Y5RYXQI2E/graph.json","fetch_events":"https://pith.science/api/pith-number/3EGJC7VXWEAGKCB63Y5RYXQI2E/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/3EGJC7VXWEAGKCB63Y5RYXQI2E/action/timestamp_anchor","attest_storage":"https://pith.science/pith/3EGJC7VXWEAGKCB63Y5RYXQI2E/action/storage_attestation","attest_author":"https://pith.science/pith/3EGJC7VXWEAGKCB63Y5RYXQI2E/action/author_attestation","sign_citation":"https://pith.science/pith/3EGJC7VXWEAGKCB63Y5RYXQI2E/action/citation_signature","submit_replication":"https://pith.science/pith/3EGJC7VXWEAGKCB63Y5RYXQI2E/action/replication_record"}},"created_at":"2026-06-30T01:18:00.994657+00:00","updated_at":"2026-06-30T01:18:00.994657+00:00"}