{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2023:YZ3WNP3L6GJ7JPOKHFKCSTMC4X","short_pith_number":"pith:YZ3WNP3L","schema_version":"1.0","canonical_sha256":"c67766bf6bf193f4bdca3954294d82e5f5f96c7f8d2a0f365efb12d193c2d4f6","source":{"kind":"arxiv","id":"2304.03285","version":1},"attestation_state":"computed","paper":{"title":"$\\text{DC}^2$: Dual-Camera Defocus Control by Learning to Refocus","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"cs.CV","authors_text":"Abdullah Abuolaim, Abhishek Kar, Hadi AlZayer, Jia-Bin Huang, Leung Chun Chan, Yang Yang, Ying Chen Lou","submitted_at":"2023-04-06T17:59:58Z","abstract_excerpt":"Smartphone cameras today are increasingly approaching the versatility and quality of professional cameras through a combination of hardware and software advancements. However, fixed aperture remains a key limitation, preventing users from controlling the depth of field (DoF) of captured images. At the same time, many smartphones now have multiple cameras with different fixed apertures -- specifically, an ultra-wide camera with wider field of view and deeper DoF and a higher resolution primary camera with shallower DoF. In this work, we propose $\\text{DC}^2$, a system for defocus control for sy"},"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":"2304.03285","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2023-04-06T17:59:58Z","cross_cats_sorted":[],"title_canon_sha256":"07df7a57125646601ecc6e9919f458fcbbc77656384118b64bfd9021a7faa358","abstract_canon_sha256":"5edd5a3fdeacc31d35fa6711dd321db1effe5101478168851f16fc7cfd3e01b7"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T05:58:47.771652Z","signature_b64":"69C3duyBQYqqY0mEoILF/nQ4xKU76cDvojDEzYs0RiUaUfaCxgxbf723bc7fmXvsf0GdsmkmbDXFLX+jxL4pBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c67766bf6bf193f4bdca3954294d82e5f5f96c7f8d2a0f365efb12d193c2d4f6","last_reissued_at":"2026-07-05T05:58:47.771204Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T05:58:47.771204Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"$\\text{DC}^2$: Dual-Camera Defocus Control by Learning to Refocus","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"cs.CV","authors_text":"Abdullah Abuolaim, Abhishek Kar, Hadi AlZayer, Jia-Bin Huang, Leung Chun Chan, Yang Yang, Ying Chen Lou","submitted_at":"2023-04-06T17:59:58Z","abstract_excerpt":"Smartphone cameras today are increasingly approaching the versatility and quality of professional cameras through a combination of hardware and software advancements. However, fixed aperture remains a key limitation, preventing users from controlling the depth of field (DoF) of captured images. At the same time, many smartphones now have multiple cameras with different fixed apertures -- specifically, an ultra-wide camera with wider field of view and deeper DoF and a higher resolution primary camera with shallower DoF. In this work, we propose $\\text{DC}^2$, a system for defocus control for sy"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2304.03285","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/2304.03285/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":"2304.03285","created_at":"2026-07-05T05:58:47.771260+00:00"},{"alias_kind":"arxiv_version","alias_value":"2304.03285v1","created_at":"2026-07-05T05:58:47.771260+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2304.03285","created_at":"2026-07-05T05:58:47.771260+00:00"},{"alias_kind":"pith_short_12","alias_value":"YZ3WNP3L6GJ7","created_at":"2026-07-05T05:58:47.771260+00:00"},{"alias_kind":"pith_short_16","alias_value":"YZ3WNP3L6GJ7JPOK","created_at":"2026-07-05T05:58:47.771260+00:00"},{"alias_kind":"pith_short_8","alias_value":"YZ3WNP3L","created_at":"2026-07-05T05:58:47.771260+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2508.16936","citing_title":"THEME: Enhancing Thematic Investing with Semantic Stock Representations and Temporal Dynamics","ref_index":25,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/YZ3WNP3L6GJ7JPOKHFKCSTMC4X","json":"https://pith.science/pith/YZ3WNP3L6GJ7JPOKHFKCSTMC4X.json","graph_json":"https://pith.science/api/pith-number/YZ3WNP3L6GJ7JPOKHFKCSTMC4X/graph.json","events_json":"https://pith.science/api/pith-number/YZ3WNP3L6GJ7JPOKHFKCSTMC4X/events.json","paper":"https://pith.science/paper/YZ3WNP3L"},"agent_actions":{"view_html":"https://pith.science/pith/YZ3WNP3L6GJ7JPOKHFKCSTMC4X","download_json":"https://pith.science/pith/YZ3WNP3L6GJ7JPOKHFKCSTMC4X.json","view_paper":"https://pith.science/paper/YZ3WNP3L","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2304.03285&json=true","fetch_graph":"https://pith.science/api/pith-number/YZ3WNP3L6GJ7JPOKHFKCSTMC4X/graph.json","fetch_events":"https://pith.science/api/pith-number/YZ3WNP3L6GJ7JPOKHFKCSTMC4X/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/YZ3WNP3L6GJ7JPOKHFKCSTMC4X/action/timestamp_anchor","attest_storage":"https://pith.science/pith/YZ3WNP3L6GJ7JPOKHFKCSTMC4X/action/storage_attestation","attest_author":"https://pith.science/pith/YZ3WNP3L6GJ7JPOKHFKCSTMC4X/action/author_attestation","sign_citation":"https://pith.science/pith/YZ3WNP3L6GJ7JPOKHFKCSTMC4X/action/citation_signature","submit_replication":"https://pith.science/pith/YZ3WNP3L6GJ7JPOKHFKCSTMC4X/action/replication_record"}},"created_at":"2026-07-05T05:58:47.771260+00:00","updated_at":"2026-07-05T05:58:47.771260+00:00"}