{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:7ARQWKKYRBAXVA3MOQMQABMZUD","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":"4e3361c935546fa6ab37b6fc57b131d3fb71fa9371a49b70048e244d9b7b4e66","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2017-06-22T03:25:48Z","title_canon_sha256":"eb1a723dea560d544aea2c40ca489313e0d0a0e2915d23b017723ec532820930"},"schema_version":"1.0","source":{"id":"1706.07157","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1706.07157","created_at":"2026-05-18T00:41:52Z"},{"alias_kind":"arxiv_version","alias_value":"1706.07157v1","created_at":"2026-05-18T00:41:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1706.07157","created_at":"2026-05-18T00:41:52Z"},{"alias_kind":"pith_short_12","alias_value":"7ARQWKKYRBAX","created_at":"2026-05-18T12:31:03Z"},{"alias_kind":"pith_short_16","alias_value":"7ARQWKKYRBAXVA3M","created_at":"2026-05-18T12:31:03Z"},{"alias_kind":"pith_short_8","alias_value":"7ARQWKKY","created_at":"2026-05-18T12:31:03Z"}],"graph_snapshots":[{"event_id":"sha256:52f702f20146979777788b982bce18e72ad3295bd9888571beaa6c4cdc725b3e","target":"graph","created_at":"2026-05-18T00:41:52Z","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":"This thesis describes a study to perform change detection on Very High Resolution satellite images using image fusion based on 2D Discrete Wavelet Transform and Fuzzy C-Means clustering algorithm. Multiple other methods are also quantitatively and qualitatively compared in this study.","authors_text":"(2) Department of ECE, 3) ((1) Viterbi School of Engineering, (3) GoPerception Laboratory, Cornell University, Haoxiang Wang (2, LA, NY, Rongcui Dong (1), University of Southern California, USA, USA)","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2017-06-22T03:25:48Z","title":"A Novel VHR Image Change Detection Algorithm Based on Image Fusion and Fuzzy C-Means Clustering"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1706.07157","kind":"arxiv","version":1},"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":"sha256:2978e1323ccf8e90a15c0c2ad33f88955af420272778bb793c5d06f7250cabc3","target":"record","created_at":"2026-05-18T00:41:52Z","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":"4e3361c935546fa6ab37b6fc57b131d3fb71fa9371a49b70048e244d9b7b4e66","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2017-06-22T03:25:48Z","title_canon_sha256":"eb1a723dea560d544aea2c40ca489313e0d0a0e2915d23b017723ec532820930"},"schema_version":"1.0","source":{"id":"1706.07157","kind":"arxiv","version":1}},"canonical_sha256":"f8230b295888417a836c7419000599a0c4d1a394b1640962473ce24bfed03a11","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f8230b295888417a836c7419000599a0c4d1a394b1640962473ce24bfed03a11","first_computed_at":"2026-05-18T00:41:52.483310Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:41:52.483310Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"dib2wK665SXXtdij6sTsKqq676jAY23VUWD+w/pIKT2ol0m+YIxIpY1Mc0UWcPD2AeDlOVo5Tm1xqhKVkH1WCA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:41:52.483780Z","signed_message":"canonical_sha256_bytes"},"source_id":"1706.07157","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2978e1323ccf8e90a15c0c2ad33f88955af420272778bb793c5d06f7250cabc3","sha256:52f702f20146979777788b982bce18e72ad3295bd9888571beaa6c4cdc725b3e"],"state_sha256":"2d3e0858716d7bcca6447984ebeda4555d44f72c35cb47721caabd669baa4e58"}