{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:E7V4DH5ROAUL3ERXA2ZBMPRBND","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":"0f26410939189feafb4ef6b56ca35bdcd1ec7b7e322278683f11f339642eec63","cross_cats_sorted":["cs.CV"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.IV","submitted_at":"2019-08-22T01:38:47Z","title_canon_sha256":"9fe0203f5050213fe7f8170bb3b8f75432f175f50918d3a24725d2b36ef5823c"},"schema_version":"1.0","source":{"id":"1908.08164","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1908.08164","created_at":"2026-07-04T23:59:10Z"},{"alias_kind":"arxiv_version","alias_value":"1908.08164v1","created_at":"2026-07-04T23:59:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1908.08164","created_at":"2026-07-04T23:59:10Z"},{"alias_kind":"pith_short_12","alias_value":"E7V4DH5ROAUL","created_at":"2026-07-04T23:59:10Z"},{"alias_kind":"pith_short_16","alias_value":"E7V4DH5ROAUL3ERX","created_at":"2026-07-04T23:59:10Z"},{"alias_kind":"pith_short_8","alias_value":"E7V4DH5R","created_at":"2026-07-04T23:59:10Z"}],"graph_snapshots":[{"event_id":"sha256:0d131ee7c3195d2d525c97ddd9f70711abbe4ad48c1f88b5753f62b31d2319ce","target":"graph","created_at":"2026-07-04T23:59:10Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/1908.08164/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Building change detection is of great significance in high resolution remote sensing applications. Multi-index learning, one of the state-of-the-art building change detection methods, still has drawbacks like incapability to find change types directly and heavy computation consumption of MBI. In this paper, a two-stage building change detection method is proposed to address these problems. In the first stage, a multi-scale filtering building index (MFBI) is calculated to detect building areas in each temporal with fast speed and moderate accuracy. In the second stage, images and the correspond","authors_text":"Han Zhang, Kai Xu, Kun Qin, Qi Bi, Wenjun Han, Zhili Li","cross_cats":["cs.CV"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.IV","submitted_at":"2019-08-22T01:38:47Z","title":"Building change detection based on multi-scale filtering and grid partition"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1908.08164","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":"sha256:9c69b89d0b2a2c7704130d250daa28098ffb753e8a31438c271fb910b0feedc1","target":"record","created_at":"2026-07-04T23:59:10Z","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":"0f26410939189feafb4ef6b56ca35bdcd1ec7b7e322278683f11f339642eec63","cross_cats_sorted":["cs.CV"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.IV","submitted_at":"2019-08-22T01:38:47Z","title_canon_sha256":"9fe0203f5050213fe7f8170bb3b8f75432f175f50918d3a24725d2b36ef5823c"},"schema_version":"1.0","source":{"id":"1908.08164","kind":"arxiv","version":1}},"canonical_sha256":"27ebc19fb17028bd923706b2163e2168e501d7f257cda2bfba46a7b6f0b48920","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"27ebc19fb17028bd923706b2163e2168e501d7f257cda2bfba46a7b6f0b48920","first_computed_at":"2026-07-04T23:59:10.163711Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T23:59:10.163711Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"4WhGUjdiFi5FXDgd9/n0gsJJdcJaMBcMY2uGHnk1LwXTgJYXVyzezxVdMACuUWYlnY62gVq1oygpx2Bo+fwOAw==","signature_status":"signed_v1","signed_at":"2026-07-04T23:59:10.164104Z","signed_message":"canonical_sha256_bytes"},"source_id":"1908.08164","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9c69b89d0b2a2c7704130d250daa28098ffb753e8a31438c271fb910b0feedc1","sha256:0d131ee7c3195d2d525c97ddd9f70711abbe4ad48c1f88b5753f62b31d2319ce"],"state_sha256":"10dbbe36798766bc43b60c32992345c072aeb0e76fc5bfcde494fcfc7c7dd6d1"}