{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:TIES5SQGNIBDC64NDOZGQ4XG3T","short_pith_number":"pith:TIES5SQG","canonical_record":{"source":{"id":"1904.13273","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2019-04-30T14:25:43Z","cross_cats_sorted":[],"title_canon_sha256":"81d32db74dd185fc170c625ba9ef7d68b0a66606d33a3373c5970d9f63ac91a5","abstract_canon_sha256":"081717cbce00f87e7ae63599b9d2068598a5a570ef1f5f3b74fdb28a1847b3e4"},"schema_version":"1.0"},"canonical_sha256":"9a092eca066a02317b8d1bb26872e6dcd589b21d62462e06fad2ffcbbbfaa906","source":{"kind":"arxiv","id":"1904.13273","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1904.13273","created_at":"2026-05-17T23:47:21Z"},{"alias_kind":"arxiv_version","alias_value":"1904.13273v1","created_at":"2026-05-17T23:47:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1904.13273","created_at":"2026-05-17T23:47:21Z"},{"alias_kind":"pith_short_12","alias_value":"TIES5SQGNIBD","created_at":"2026-05-18T12:33:27Z"},{"alias_kind":"pith_short_16","alias_value":"TIES5SQGNIBDC64N","created_at":"2026-05-18T12:33:27Z"},{"alias_kind":"pith_short_8","alias_value":"TIES5SQG","created_at":"2026-05-18T12:33:27Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:TIES5SQGNIBDC64NDOZGQ4XG3T","target":"record","payload":{"canonical_record":{"source":{"id":"1904.13273","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2019-04-30T14:25:43Z","cross_cats_sorted":[],"title_canon_sha256":"81d32db74dd185fc170c625ba9ef7d68b0a66606d33a3373c5970d9f63ac91a5","abstract_canon_sha256":"081717cbce00f87e7ae63599b9d2068598a5a570ef1f5f3b74fdb28a1847b3e4"},"schema_version":"1.0"},"canonical_sha256":"9a092eca066a02317b8d1bb26872e6dcd589b21d62462e06fad2ffcbbbfaa906","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:47:21.767101Z","signature_b64":"WX2XBSPA2/zKfPVvxiDtoGJsPh0V4KX4LHNTa9XGFbjr87lam1IgUDV78Gnt5Jh5LA+6GaWcIC6VNZTNgPqwCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9a092eca066a02317b8d1bb26872e6dcd589b21d62462e06fad2ffcbbbfaa906","last_reissued_at":"2026-05-17T23:47:21.766598Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:47:21.766598Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1904.13273","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-17T23:47:21Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BqMm4KpzbtfR6l9NpocddDBrPE85CIXDGBJw1dtIrwpbfs25s1Xak1Mg9gsog+GxD+1j01t0Z7QjbSzmwmptCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-01T23:00:19.758728Z"},"content_sha256":"aed6cd19aab546d6e3541d68c6bed84710729fd722b28e0332c6928f043787f0","schema_version":"1.0","event_id":"sha256:aed6cd19aab546d6e3541d68c6bed84710729fd722b28e0332c6928f043787f0"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:TIES5SQGNIBDC64NDOZGQ4XG3T","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Detecting Reflections by Combining Semantic and Instance Segmentation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.CV","authors_text":"David Owen, Ping-Lin Chang","submitted_at":"2019-04-30T14:25:43Z","abstract_excerpt":"Reflections in natural images commonly cause false positives in automated detection systems. These false positives can lead to significant impairment of accuracy in the tasks of detection, counting and segmentation. Here, inspired by the recent panoptic approach to segmentation, we show how fusing instance and semantic segmentation can automatically identify reflection false positives, without explicitly needing to have the reflective regions labelled. We explore in detail how state of the art two-stage detectors suffer a loss of broader contextual features, and hence are unable to learn to ig"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1904.13273","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":""},"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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-17T23:47:21Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9n6oiH7EnyXrilnBRTvqXthhH9Sd9n2yXjkE5PDHxDmavT538EXSFcAHj0SjoJzavjR3Z0UEP2PPavlp0rJICg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-01T23:00:19.759308Z"},"content_sha256":"b7e621058eae36f211590867b37e93e9af02529df0bab3c41c12b9611fcd5c9c","schema_version":"1.0","event_id":"sha256:b7e621058eae36f211590867b37e93e9af02529df0bab3c41c12b9611fcd5c9c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/TIES5SQGNIBDC64NDOZGQ4XG3T/bundle.json","state_url":"https://pith.science/pith/TIES5SQGNIBDC64NDOZGQ4XG3T/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/TIES5SQGNIBDC64NDOZGQ4XG3T/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-07-01T23:00:19Z","links":{"resolver":"https://pith.science/pith/TIES5SQGNIBDC64NDOZGQ4XG3T","bundle":"https://pith.science/pith/TIES5SQGNIBDC64NDOZGQ4XG3T/bundle.json","state":"https://pith.science/pith/TIES5SQGNIBDC64NDOZGQ4XG3T/state.json","well_known_bundle":"https://pith.science/.well-known/pith/TIES5SQGNIBDC64NDOZGQ4XG3T/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:TIES5SQGNIBDC64NDOZGQ4XG3T","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":"081717cbce00f87e7ae63599b9d2068598a5a570ef1f5f3b74fdb28a1847b3e4","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2019-04-30T14:25:43Z","title_canon_sha256":"81d32db74dd185fc170c625ba9ef7d68b0a66606d33a3373c5970d9f63ac91a5"},"schema_version":"1.0","source":{"id":"1904.13273","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1904.13273","created_at":"2026-05-17T23:47:21Z"},{"alias_kind":"arxiv_version","alias_value":"1904.13273v1","created_at":"2026-05-17T23:47:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1904.13273","created_at":"2026-05-17T23:47:21Z"},{"alias_kind":"pith_short_12","alias_value":"TIES5SQGNIBD","created_at":"2026-05-18T12:33:27Z"},{"alias_kind":"pith_short_16","alias_value":"TIES5SQGNIBDC64N","created_at":"2026-05-18T12:33:27Z"},{"alias_kind":"pith_short_8","alias_value":"TIES5SQG","created_at":"2026-05-18T12:33:27Z"}],"graph_snapshots":[{"event_id":"sha256:b7e621058eae36f211590867b37e93e9af02529df0bab3c41c12b9611fcd5c9c","target":"graph","created_at":"2026-05-17T23:47:21Z","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":"Reflections in natural images commonly cause false positives in automated detection systems. These false positives can lead to significant impairment of accuracy in the tasks of detection, counting and segmentation. Here, inspired by the recent panoptic approach to segmentation, we show how fusing instance and semantic segmentation can automatically identify reflection false positives, without explicitly needing to have the reflective regions labelled. We explore in detail how state of the art two-stage detectors suffer a loss of broader contextual features, and hence are unable to learn to ig","authors_text":"David Owen, Ping-Lin Chang","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2019-04-30T14:25:43Z","title":"Detecting Reflections by Combining Semantic and Instance Segmentation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1904.13273","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:aed6cd19aab546d6e3541d68c6bed84710729fd722b28e0332c6928f043787f0","target":"record","created_at":"2026-05-17T23:47:21Z","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":"081717cbce00f87e7ae63599b9d2068598a5a570ef1f5f3b74fdb28a1847b3e4","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2019-04-30T14:25:43Z","title_canon_sha256":"81d32db74dd185fc170c625ba9ef7d68b0a66606d33a3373c5970d9f63ac91a5"},"schema_version":"1.0","source":{"id":"1904.13273","kind":"arxiv","version":1}},"canonical_sha256":"9a092eca066a02317b8d1bb26872e6dcd589b21d62462e06fad2ffcbbbfaa906","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9a092eca066a02317b8d1bb26872e6dcd589b21d62462e06fad2ffcbbbfaa906","first_computed_at":"2026-05-17T23:47:21.766598Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:47:21.766598Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"WX2XBSPA2/zKfPVvxiDtoGJsPh0V4KX4LHNTa9XGFbjr87lam1IgUDV78Gnt5Jh5LA+6GaWcIC6VNZTNgPqwCw==","signature_status":"signed_v1","signed_at":"2026-05-17T23:47:21.767101Z","signed_message":"canonical_sha256_bytes"},"source_id":"1904.13273","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:aed6cd19aab546d6e3541d68c6bed84710729fd722b28e0332c6928f043787f0","sha256:b7e621058eae36f211590867b37e93e9af02529df0bab3c41c12b9611fcd5c9c"],"state_sha256":"4c422eea14f4b0e75a510176e6495551fb4b9687e665cf176740fd77495cc951"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"tOudQOXWMnuN9FNm5c574uPdZUXgCTCIGdwZcCP7waWsPv4N8JZczs4sgwN2uop7ss9bQlXL2mz5N4eOBBdNCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-01T23:00:19.762449Z","bundle_sha256":"25016458f11ef78920af8a61f6261c1fbc917e98f69adf520d19d0448ed445bc"}}