{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:QSNQN2EBYPRRXKOMURICJ7QDCC","short_pith_number":"pith:QSNQN2EB","canonical_record":{"source":{"id":"2303.14639","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2023-03-26T06:19:24Z","cross_cats_sorted":[],"title_canon_sha256":"897b5f2ede9648912ef5585490ec7d163fc23cf0df7c2a28639db7f01654cd8c","abstract_canon_sha256":"bdf617227e44d459bf58759267eea1802b8ee069bf4baa038d77bdd242f3eb9a"},"schema_version":"1.0"},"canonical_sha256":"849b06e881c3e31ba9cca45024fe03109c212eebfe291cf827a818f4ce1c430a","source":{"kind":"arxiv","id":"2303.14639","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2303.14639","created_at":"2026-07-05T05:54:44Z"},{"alias_kind":"arxiv_version","alias_value":"2303.14639v1","created_at":"2026-07-05T05:54:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2303.14639","created_at":"2026-07-05T05:54:44Z"},{"alias_kind":"pith_short_12","alias_value":"QSNQN2EBYPRR","created_at":"2026-07-05T05:54:44Z"},{"alias_kind":"pith_short_16","alias_value":"QSNQN2EBYPRRXKOM","created_at":"2026-07-05T05:54:44Z"},{"alias_kind":"pith_short_8","alias_value":"QSNQN2EB","created_at":"2026-07-05T05:54:44Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:QSNQN2EBYPRRXKOMURICJ7QDCC","target":"record","payload":{"canonical_record":{"source":{"id":"2303.14639","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2023-03-26T06:19:24Z","cross_cats_sorted":[],"title_canon_sha256":"897b5f2ede9648912ef5585490ec7d163fc23cf0df7c2a28639db7f01654cd8c","abstract_canon_sha256":"bdf617227e44d459bf58759267eea1802b8ee069bf4baa038d77bdd242f3eb9a"},"schema_version":"1.0"},"canonical_sha256":"849b06e881c3e31ba9cca45024fe03109c212eebfe291cf827a818f4ce1c430a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T05:54:44.273904Z","signature_b64":"53/3NJg1a4A+EdBXUWbJG9/3LjAQi7Fp3opedFj32SUaqr/BT7RjeuUkcxJLM+7zRV1bR90FzIvCCO24m8qAAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"849b06e881c3e31ba9cca45024fe03109c212eebfe291cf827a818f4ce1c430a","last_reissued_at":"2026-07-05T05:54:44.273525Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T05:54:44.273525Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2303.14639","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":"2026-07-05T05:54:44Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ODYBpe+D2ja/J4oZIxg8CpOSj2/EGTbMUlB8bwrhus3OVGYOp1u/QyGxQAXqfL+12i84lgsxVvXq+O4ORzWICw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-06T23:28:33.085021Z"},"content_sha256":"0caa16cbf973f534898bda2c114db7b2ca694ed564d9f40f75e870281797cd40","schema_version":"1.0","event_id":"sha256:0caa16cbf973f534898bda2c114db7b2ca694ed564d9f40f75e870281797cd40"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:QSNQN2EBYPRRXKOMURICJ7QDCC","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"CRRS: Concentric Rectangles Regression Strategy for Multi-point Representation on Fisheye Images","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.CV","authors_text":"Mengyin Fu, Xihan Wang, Xi Xu, Yi Yang, Yufeng Yue, Yu Gao","submitted_at":"2023-03-26T06:19:24Z","abstract_excerpt":"Modern object detectors take advantage of rectangular bounding boxes as a conventional way to represent objects. When it comes to fisheye images, rectangular boxes involve more background noise rather than semantic information. Although multi-point representation has been proposed, both the regression accuracy and convergence still perform inferior to the widely used rectangular boxes. In order to further exploit the advantages of multi-point representation for distorted images, Concentric Rectangles Regression Strategy(CRRS) is proposed in this work. We adopt smoother mean loss to allocate we"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2303.14639","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2303.14639/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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T05:54:44Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mbXI/oDt5H9PrgDD3EKVdNAdLFEpteA2tpNYfXscurlxdMfm1roRlRQdzWBTVHFINiZbNlNAT5oIvAJDceNWDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-06T23:28:33.085405Z"},"content_sha256":"8619393d9796e68643d43f977188562955c7dc747fd7c70fb5e72bb083d9d1d3","schema_version":"1.0","event_id":"sha256:8619393d9796e68643d43f977188562955c7dc747fd7c70fb5e72bb083d9d1d3"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/QSNQN2EBYPRRXKOMURICJ7QDCC/bundle.json","state_url":"https://pith.science/pith/QSNQN2EBYPRRXKOMURICJ7QDCC/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/QSNQN2EBYPRRXKOMURICJ7QDCC/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":"2026-07-06T23:28:33Z","links":{"resolver":"https://pith.science/pith/QSNQN2EBYPRRXKOMURICJ7QDCC","bundle":"https://pith.science/pith/QSNQN2EBYPRRXKOMURICJ7QDCC/bundle.json","state":"https://pith.science/pith/QSNQN2EBYPRRXKOMURICJ7QDCC/state.json","well_known_bundle":"https://pith.science/.well-known/pith/QSNQN2EBYPRRXKOMURICJ7QDCC/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:QSNQN2EBYPRRXKOMURICJ7QDCC","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":"bdf617227e44d459bf58759267eea1802b8ee069bf4baa038d77bdd242f3eb9a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2023-03-26T06:19:24Z","title_canon_sha256":"897b5f2ede9648912ef5585490ec7d163fc23cf0df7c2a28639db7f01654cd8c"},"schema_version":"1.0","source":{"id":"2303.14639","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2303.14639","created_at":"2026-07-05T05:54:44Z"},{"alias_kind":"arxiv_version","alias_value":"2303.14639v1","created_at":"2026-07-05T05:54:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2303.14639","created_at":"2026-07-05T05:54:44Z"},{"alias_kind":"pith_short_12","alias_value":"QSNQN2EBYPRR","created_at":"2026-07-05T05:54:44Z"},{"alias_kind":"pith_short_16","alias_value":"QSNQN2EBYPRRXKOM","created_at":"2026-07-05T05:54:44Z"},{"alias_kind":"pith_short_8","alias_value":"QSNQN2EB","created_at":"2026-07-05T05:54:44Z"}],"graph_snapshots":[{"event_id":"sha256:8619393d9796e68643d43f977188562955c7dc747fd7c70fb5e72bb083d9d1d3","target":"graph","created_at":"2026-07-05T05:54:44Z","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/2303.14639/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Modern object detectors take advantage of rectangular bounding boxes as a conventional way to represent objects. When it comes to fisheye images, rectangular boxes involve more background noise rather than semantic information. Although multi-point representation has been proposed, both the regression accuracy and convergence still perform inferior to the widely used rectangular boxes. In order to further exploit the advantages of multi-point representation for distorted images, Concentric Rectangles Regression Strategy(CRRS) is proposed in this work. We adopt smoother mean loss to allocate we","authors_text":"Mengyin Fu, Xihan Wang, Xi Xu, Yi Yang, Yufeng Yue, Yu Gao","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2023-03-26T06:19:24Z","title":"CRRS: Concentric Rectangles Regression Strategy for Multi-point Representation on Fisheye Images"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2303.14639","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":"sha256:0caa16cbf973f534898bda2c114db7b2ca694ed564d9f40f75e870281797cd40","target":"record","created_at":"2026-07-05T05:54:44Z","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":"bdf617227e44d459bf58759267eea1802b8ee069bf4baa038d77bdd242f3eb9a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2023-03-26T06:19:24Z","title_canon_sha256":"897b5f2ede9648912ef5585490ec7d163fc23cf0df7c2a28639db7f01654cd8c"},"schema_version":"1.0","source":{"id":"2303.14639","kind":"arxiv","version":1}},"canonical_sha256":"849b06e881c3e31ba9cca45024fe03109c212eebfe291cf827a818f4ce1c430a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"849b06e881c3e31ba9cca45024fe03109c212eebfe291cf827a818f4ce1c430a","first_computed_at":"2026-07-05T05:54:44.273525Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T05:54:44.273525Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"53/3NJg1a4A+EdBXUWbJG9/3LjAQi7Fp3opedFj32SUaqr/BT7RjeuUkcxJLM+7zRV1bR90FzIvCCO24m8qAAQ==","signature_status":"signed_v1","signed_at":"2026-07-05T05:54:44.273904Z","signed_message":"canonical_sha256_bytes"},"source_id":"2303.14639","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0caa16cbf973f534898bda2c114db7b2ca694ed564d9f40f75e870281797cd40","sha256:8619393d9796e68643d43f977188562955c7dc747fd7c70fb5e72bb083d9d1d3"],"state_sha256":"dc6dbd35e12c8c0f1a994d3f30d3e5e82c1e36015cf15b2452a5c6e47a5b1840"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7x78RRDK2ybcxFoY1hErBinDhu1/Vd4q4iUCIkHKtu78AzlfyzLjwhXUqBea1yn4OMj7Cfh1J4ehdAgqxfq5BA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-06T23:28:33.087389Z","bundle_sha256":"bfb4d0937d4013d88f547169bfe69787e8239edccac0f0ac6c3c439f3862410e"}}