{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:VMNJDCEW5ZTJWMNZUONWNWS5X6","short_pith_number":"pith:VMNJDCEW","canonical_record":{"source":{"id":"2307.09729","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2023-07-19T02:33:42Z","cross_cats_sorted":["cs.MM","eess.IV"],"title_canon_sha256":"8393494a54654e3633d4d4955d9f60ea692499723e3c9ab3a71b3c3648b9e30b","abstract_canon_sha256":"eabc16c9b61d9cceb168c4de301e4d39f64f6dab8578006739f0cc1615783d35"},"schema_version":"1.0"},"canonical_sha256":"ab1a918896ee669b31b9a39b66da5dbf8a978b6ad376ae9d1544bd97e6035802","source":{"kind":"arxiv","id":"2307.09729","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2307.09729","created_at":"2026-07-05T06:32:45Z"},{"alias_kind":"arxiv_version","alias_value":"2307.09729v1","created_at":"2026-07-05T06:32:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2307.09729","created_at":"2026-07-05T06:32:45Z"},{"alias_kind":"pith_short_12","alias_value":"VMNJDCEW5ZTJ","created_at":"2026-07-05T06:32:45Z"},{"alias_kind":"pith_short_16","alias_value":"VMNJDCEW5ZTJWMNZ","created_at":"2026-07-05T06:32:45Z"},{"alias_kind":"pith_short_8","alias_value":"VMNJDCEW","created_at":"2026-07-05T06:32:45Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:VMNJDCEW5ZTJWMNZUONWNWS5X6","target":"record","payload":{"canonical_record":{"source":{"id":"2307.09729","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2023-07-19T02:33:42Z","cross_cats_sorted":["cs.MM","eess.IV"],"title_canon_sha256":"8393494a54654e3633d4d4955d9f60ea692499723e3c9ab3a71b3c3648b9e30b","abstract_canon_sha256":"eabc16c9b61d9cceb168c4de301e4d39f64f6dab8578006739f0cc1615783d35"},"schema_version":"1.0"},"canonical_sha256":"ab1a918896ee669b31b9a39b66da5dbf8a978b6ad376ae9d1544bd97e6035802","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T06:32:45.500666Z","signature_b64":"kXK8lAmU00kmx5geO37eCGUKxgBDdsbsTqAgij8WM+l9KYYP6mxG6AkcdwcIuXBPBcN6ASU6/W5zaLiRYtlcCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ab1a918896ee669b31b9a39b66da5dbf8a978b6ad376ae9d1544bd97e6035802","last_reissued_at":"2026-07-05T06:32:45.500242Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T06:32:45.500242Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2307.09729","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":"2026-07-05T06:32:45Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"AURY9lYsvXoW0mvyo9HTG7sdxMd1ioKGUB6fWiiZJ/I2DQmKNZZn5qNMF/7gufzcb8kYZNVX8fz6BxnCMF9mDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-06T13:49:57.613601Z"},"content_sha256":"4a7edee6f9f252bf3eb952e94e956c495ae39c08f62569a80990c9ca255bb404","schema_version":"1.0","event_id":"sha256:4a7edee6f9f252bf3eb952e94e956c495ae39c08f62569a80990c9ca255bb404"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:VMNJDCEW5ZTJWMNZUONWNWS5X6","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"NTIRE 2023 Quality Assessment of Video Enhancement Challenge","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.MM","eess.IV"],"primary_cat":"cs.CV","authors_text":"Ahmad Mahmoudi Aznaveh, Allen Lin, Amir Hossein Bakhtiari, Azadeh Mansouri, Chaofeng Chen, Chunzheng Zhu, Claudio Rota, Drake Guan, Fangyuan Kong, Guangtao Zhai, Haibing Yin, Hanene Brachemi Meftah, Hang Shi, Hao Liu, Haoning Wu, Haotian Fan, Hao Wang, Heng Cong, Hongkui Wang, Hongye Liu, Hossein Motamednia, Iris Chen, Ironhead Chuang, Kae Lou, Kai Li, Kai Zhang, Kai Zhao, Kun Yuan, Lei Lei, Lingzhi Fu, Longan Xiao, Luigi Celona, Ming Sun, Mirko Agarla, Olivier D\\'eforges, Pengxiang Xiao, Qihang Xu, Radu Timofte, Raimondo Schettini, Rongyu Zhang, Shanshan Chen, Shiling Zhao, Shiqi Zhou, Shuming Hu, Sibin Deng, Sid Ahmed Fezza, Tengchuan Kou, Tengfei Shi, Wassim Hamidouche, Wei Hong, Wei Sun, Wei Wu, Wenqi Wang, Willy Huang, Xiaohong Liu, Xiaotao Wang, Xiongkuo Min, Yachun Tasi, Yanan Li, Yilin Li, Ying Chen, Yixuan Gao, Yu Lai, Yulun Zhang, Yunlong Dong, Yuqin Cao, Yusheng Zhang, Yvonne Kao, Zekun Guo, Zhiliang Ma, Zhiwei Huang, Ziheng Jia","submitted_at":"2023-07-19T02:33:42Z","abstract_excerpt":"This paper reports on the NTIRE 2023 Quality Assessment of Video Enhancement Challenge, which will be held in conjunction with the New Trends in Image Restoration and Enhancement Workshop (NTIRE) at CVPR 2023. This challenge is to address a major challenge in the field of video processing, namely, video quality assessment (VQA) for enhanced videos. The challenge uses the VQA Dataset for Perceptual Video Enhancement (VDPVE), which has a total of 1211 enhanced videos, including 600 videos with color, brightness, and contrast enhancements, 310 videos with deblurring, and 301 deshaked videos. The "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2307.09729","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/2307.09729/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":"2026-07-05T06:32:45Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MAlwnq/V89Pd2VJwGBYpdk+TRzO1tCSu3EKYGrYIAeVfYz5dtHFfC9/VxFGFQsTg+yEYIB7XsxxUi098c7hRBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-06T13:49:57.614007Z"},"content_sha256":"0e6a784cd8ca607ba2af4c5fd25915733f2968b337b509fe5207716a2e53436f","schema_version":"1.0","event_id":"sha256:0e6a784cd8ca607ba2af4c5fd25915733f2968b337b509fe5207716a2e53436f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/VMNJDCEW5ZTJWMNZUONWNWS5X6/bundle.json","state_url":"https://pith.science/pith/VMNJDCEW5ZTJWMNZUONWNWS5X6/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/VMNJDCEW5ZTJWMNZUONWNWS5X6/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":"2026-07-06T13:49:57Z","links":{"resolver":"https://pith.science/pith/VMNJDCEW5ZTJWMNZUONWNWS5X6","bundle":"https://pith.science/pith/VMNJDCEW5ZTJWMNZUONWNWS5X6/bundle.json","state":"https://pith.science/pith/VMNJDCEW5ZTJWMNZUONWNWS5X6/state.json","well_known_bundle":"https://pith.science/.well-known/pith/VMNJDCEW5ZTJWMNZUONWNWS5X6/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:VMNJDCEW5ZTJWMNZUONWNWS5X6","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":"eabc16c9b61d9cceb168c4de301e4d39f64f6dab8578006739f0cc1615783d35","cross_cats_sorted":["cs.MM","eess.IV"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2023-07-19T02:33:42Z","title_canon_sha256":"8393494a54654e3633d4d4955d9f60ea692499723e3c9ab3a71b3c3648b9e30b"},"schema_version":"1.0","source":{"id":"2307.09729","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2307.09729","created_at":"2026-07-05T06:32:45Z"},{"alias_kind":"arxiv_version","alias_value":"2307.09729v1","created_at":"2026-07-05T06:32:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2307.09729","created_at":"2026-07-05T06:32:45Z"},{"alias_kind":"pith_short_12","alias_value":"VMNJDCEW5ZTJ","created_at":"2026-07-05T06:32:45Z"},{"alias_kind":"pith_short_16","alias_value":"VMNJDCEW5ZTJWMNZ","created_at":"2026-07-05T06:32:45Z"},{"alias_kind":"pith_short_8","alias_value":"VMNJDCEW","created_at":"2026-07-05T06:32:45Z"}],"graph_snapshots":[{"event_id":"sha256:0e6a784cd8ca607ba2af4c5fd25915733f2968b337b509fe5207716a2e53436f","target":"graph","created_at":"2026-07-05T06:32:45Z","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/2307.09729/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"This paper reports on the NTIRE 2023 Quality Assessment of Video Enhancement Challenge, which will be held in conjunction with the New Trends in Image Restoration and Enhancement Workshop (NTIRE) at CVPR 2023. This challenge is to address a major challenge in the field of video processing, namely, video quality assessment (VQA) for enhanced videos. The challenge uses the VQA Dataset for Perceptual Video Enhancement (VDPVE), which has a total of 1211 enhanced videos, including 600 videos with color, brightness, and contrast enhancements, 310 videos with deblurring, and 301 deshaked videos. The ","authors_text":"Ahmad Mahmoudi Aznaveh, Allen Lin, Amir Hossein Bakhtiari, Azadeh Mansouri, Chaofeng Chen, Chunzheng Zhu, Claudio Rota, Drake Guan, Fangyuan Kong, Guangtao Zhai, Haibing Yin, Hanene Brachemi Meftah, Hang Shi, Hao Liu, Haoning Wu, Haotian Fan, Hao Wang, Heng Cong, Hongkui Wang, Hongye Liu, Hossein Motamednia, Iris Chen, Ironhead Chuang, Kae Lou, Kai Li, Kai Zhang, Kai Zhao, Kun Yuan, Lei Lei, Lingzhi Fu, Longan Xiao, Luigi Celona, Ming Sun, Mirko Agarla, Olivier D\\'eforges, Pengxiang Xiao, Qihang Xu, Radu Timofte, Raimondo Schettini, Rongyu Zhang, Shanshan Chen, Shiling Zhao, Shiqi Zhou, Shuming Hu, Sibin Deng, Sid Ahmed Fezza, Tengchuan Kou, Tengfei Shi, Wassim Hamidouche, Wei Hong, Wei Sun, Wei Wu, Wenqi Wang, Willy Huang, Xiaohong Liu, Xiaotao Wang, Xiongkuo Min, Yachun Tasi, Yanan Li, Yilin Li, Ying Chen, Yixuan Gao, Yu Lai, Yulun Zhang, Yunlong Dong, Yuqin Cao, Yusheng Zhang, Yvonne Kao, Zekun Guo, Zhiliang Ma, Zhiwei Huang, Ziheng Jia","cross_cats":["cs.MM","eess.IV"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2023-07-19T02:33:42Z","title":"NTIRE 2023 Quality Assessment of Video Enhancement Challenge"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2307.09729","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":"sha256:4a7edee6f9f252bf3eb952e94e956c495ae39c08f62569a80990c9ca255bb404","target":"record","created_at":"2026-07-05T06:32:45Z","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":"eabc16c9b61d9cceb168c4de301e4d39f64f6dab8578006739f0cc1615783d35","cross_cats_sorted":["cs.MM","eess.IV"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2023-07-19T02:33:42Z","title_canon_sha256":"8393494a54654e3633d4d4955d9f60ea692499723e3c9ab3a71b3c3648b9e30b"},"schema_version":"1.0","source":{"id":"2307.09729","kind":"arxiv","version":1}},"canonical_sha256":"ab1a918896ee669b31b9a39b66da5dbf8a978b6ad376ae9d1544bd97e6035802","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ab1a918896ee669b31b9a39b66da5dbf8a978b6ad376ae9d1544bd97e6035802","first_computed_at":"2026-07-05T06:32:45.500242Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T06:32:45.500242Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"kXK8lAmU00kmx5geO37eCGUKxgBDdsbsTqAgij8WM+l9KYYP6mxG6AkcdwcIuXBPBcN6ASU6/W5zaLiRYtlcCw==","signature_status":"signed_v1","signed_at":"2026-07-05T06:32:45.500666Z","signed_message":"canonical_sha256_bytes"},"source_id":"2307.09729","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4a7edee6f9f252bf3eb952e94e956c495ae39c08f62569a80990c9ca255bb404","sha256:0e6a784cd8ca607ba2af4c5fd25915733f2968b337b509fe5207716a2e53436f"],"state_sha256":"a43b88c83c0c9b5a7bc605630aa91ee6c2d0f2d871addf3bdb28cbe1c81c98e4"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9uYk88czlVCQEI9ykmfWqjANVBVYYnnJ8vEueObK8QFa6g+XLKsPmvIGH0coCZKgfMXQzajzOdktW8xSUg2ADQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-06T13:49:57.616367Z","bundle_sha256":"f99cc1175387c08260e1be89dee6c88dc34615405575d26d3f3dd058ae06c801"}}