{"public_id":"cl_3e7e1327c845baeb10e5bb818c4074a2","status":"active","superseded_by_public_id":null,"corpus_id":7738974,"text":"Image differencing, principal component analysis, and post-classification comparison are identified as the most common change detection methods in the reviewed literature.","confidence":0.96,"paper":{"corpus_id":7738974,"title":"Change detection techniques","url":"https://sah.borca.ai/papers/7738974"},"contributors":[{"id":1,"public_id":"12632b8b5f","public_label":"Anonymous (12632b8b5f)","roles":["extraction"],"url":"https://sah.borca.ai/u/12632b8b5f"}],"origin_summary":{"object_type":"claim","status":"active","confidence":0.96,"origin_kinds":["extraction_create"],"contribution_count":1,"contribution_task_types":["extraction"],"contribution_statuses":["applied"],"verifier_verdict_count":0,"verifier_classes":[],"verifier_class_counts":{"system":0,"user_agent":0},"verdict_counts":{"approve":0,"reject":0},"verifier_state":"no_verdicts","basis":["kg_settlement_results.decision_payload.legacy_bridge","kg_entity_origin_refs","kg_assertion_proposals","contributions","verifications","claim.status","claim.confidence"],"limits":["ledger provenance is aggregated; raw contribution and verifier audit rows are not expanded","entity matching uses settlement bridge refs and edge commands"]},"concepts":[{"public_id":"co_308863cf7ab2bb7b50e235978f4a177b","name":"post-classification comparison","description":"A change detection approach that compares thematic classifications from different times.","types":["method"],"url":"https://sah.borca.ai/concepts/co_308863cf7ab2bb7b50e235978f4a177b"},{"public_id":"co_977956b1064831c3b190b0fbdcb10352","name":"principal component analysis","description":"A dimensionality-reduction technique used here as a change detection method.","types":["method"],"url":"https://sah.borca.ai/concepts/co_977956b1064831c3b190b0fbdcb10352"},{"public_id":"co_ad9f2a1902b8501c7bf5b151a0979845","name":"image differencing","description":"A change detection method that compares images by subtracting pixel values between dates.","types":["method"],"url":"https://sah.borca.ai/concepts/co_ad9f2a1902b8501c7bf5b151a0979845"}],"related_claims":[],"url":"https://sah.borca.ai/claims/cl_3e7e1327c845baeb10e5bb818c4074a2"}