{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2020:YPVIL3KCLLI334Y46XNLSFXLUM","short_pith_number":"pith:YPVIL3KC","schema_version":"1.0","canonical_sha256":"c3ea85ed425ad1bdf31cf5dab916eba330ce04fb40cb8237193204ba59d126cd","source":{"kind":"arxiv","id":"2002.06734","version":2},"attestation_state":"computed","paper":{"title":"Automatic Frame Selection using CNN in Ultrasound Elastography","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.LG","stat.ML"],"primary_cat":"eess.IV","authors_text":"Abdelrahman Zayed, Guy Cloutier, Hassan Rivaz","submitted_at":"2020-02-17T01:26:22Z","abstract_excerpt":"Ultrasound elastography is used to estimate the mechanical properties of the tissue by monitoring its response to an internal or external force. Different levels of deformation are obtained from different tissue types depending on their mechanical properties, where stiffer tissues deform less. Given two radio frequency (RF) frames collected before and after some deformation, we estimate displacement and strain images by comparing the RF frames. The quality of the strain image is dependent on the type of motion that occurs during deformation. In-plane axial motion results in high-quality strain"},"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":"2002.06734","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.IV","submitted_at":"2020-02-17T01:26:22Z","cross_cats_sorted":["cs.LG","stat.ML"],"title_canon_sha256":"b6fec5f443193b35e8c639ba105cb9b2749853a3760456b641956ab29adcff3c","abstract_canon_sha256":"8377a894b08f6dd6456aac15a015076f3a4ea6469a768a05499936b85910c301"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T01:04:30.277513Z","signature_b64":"lkv1Ss/dmQja4plAQ2XWbBGE+r8ExsIjGVFZ9YidQnwthmzXa5GRaSqgDAmQ6vIfX+4G+mOT8yfjjSiUtzGEDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c3ea85ed425ad1bdf31cf5dab916eba330ce04fb40cb8237193204ba59d126cd","last_reissued_at":"2026-07-05T01:04:30.276731Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T01:04:30.276731Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Automatic Frame Selection using CNN in Ultrasound Elastography","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.LG","stat.ML"],"primary_cat":"eess.IV","authors_text":"Abdelrahman Zayed, Guy Cloutier, Hassan Rivaz","submitted_at":"2020-02-17T01:26:22Z","abstract_excerpt":"Ultrasound elastography is used to estimate the mechanical properties of the tissue by monitoring its response to an internal or external force. Different levels of deformation are obtained from different tissue types depending on their mechanical properties, where stiffer tissues deform less. Given two radio frequency (RF) frames collected before and after some deformation, we estimate displacement and strain images by comparing the RF frames. The quality of the strain image is dependent on the type of motion that occurs during deformation. In-plane axial motion results in high-quality strain"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2002.06734","kind":"arxiv","version":2},"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/2002.06734/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":"2002.06734","created_at":"2026-07-05T01:04:30.276811+00:00"},{"alias_kind":"arxiv_version","alias_value":"2002.06734v2","created_at":"2026-07-05T01:04:30.276811+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2002.06734","created_at":"2026-07-05T01:04:30.276811+00:00"},{"alias_kind":"pith_short_12","alias_value":"YPVIL3KCLLI3","created_at":"2026-07-05T01:04:30.276811+00:00"},{"alias_kind":"pith_short_16","alias_value":"YPVIL3KCLLI334Y4","created_at":"2026-07-05T01:04:30.276811+00:00"},{"alias_kind":"pith_short_8","alias_value":"YPVIL3KC","created_at":"2026-07-05T01:04:30.276811+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/YPVIL3KCLLI334Y46XNLSFXLUM","json":"https://pith.science/pith/YPVIL3KCLLI334Y46XNLSFXLUM.json","graph_json":"https://pith.science/api/pith-number/YPVIL3KCLLI334Y46XNLSFXLUM/graph.json","events_json":"https://pith.science/api/pith-number/YPVIL3KCLLI334Y46XNLSFXLUM/events.json","paper":"https://pith.science/paper/YPVIL3KC"},"agent_actions":{"view_html":"https://pith.science/pith/YPVIL3KCLLI334Y46XNLSFXLUM","download_json":"https://pith.science/pith/YPVIL3KCLLI334Y46XNLSFXLUM.json","view_paper":"https://pith.science/paper/YPVIL3KC","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2002.06734&json=true","fetch_graph":"https://pith.science/api/pith-number/YPVIL3KCLLI334Y46XNLSFXLUM/graph.json","fetch_events":"https://pith.science/api/pith-number/YPVIL3KCLLI334Y46XNLSFXLUM/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/YPVIL3KCLLI334Y46XNLSFXLUM/action/timestamp_anchor","attest_storage":"https://pith.science/pith/YPVIL3KCLLI334Y46XNLSFXLUM/action/storage_attestation","attest_author":"https://pith.science/pith/YPVIL3KCLLI334Y46XNLSFXLUM/action/author_attestation","sign_citation":"https://pith.science/pith/YPVIL3KCLLI334Y46XNLSFXLUM/action/citation_signature","submit_replication":"https://pith.science/pith/YPVIL3KCLLI334Y46XNLSFXLUM/action/replication_record"}},"created_at":"2026-07-05T01:04:30.276811+00:00","updated_at":"2026-07-05T01:04:30.276811+00:00"}