{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:TEWXZQA5TOYQR6S7INCIFP4QNG","short_pith_number":"pith:TEWXZQA5","canonical_record":{"source":{"id":"1411.1705","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.MM","submitted_at":"2014-11-05T16:29:30Z","cross_cats_sorted":[],"title_canon_sha256":"98b14da05a81e9fd2107ba4fd3c7a91444167edeed007a721c99cd3c24bb96ef","abstract_canon_sha256":"face878f4dc8dfa0a30088bb8afdebeb7735ed90c4605883cd81fead381ab3d5"},"schema_version":"1.0"},"canonical_sha256":"992d7cc01d9bb108fa5f434482bf9069a4178e04d7809d42529174ece067b3d5","source":{"kind":"arxiv","id":"1411.1705","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1411.1705","created_at":"2026-05-18T02:38:27Z"},{"alias_kind":"arxiv_version","alias_value":"1411.1705v1","created_at":"2026-05-18T02:38:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1411.1705","created_at":"2026-05-18T02:38:27Z"},{"alias_kind":"pith_short_12","alias_value":"TEWXZQA5TOYQ","created_at":"2026-05-18T12:28:49Z"},{"alias_kind":"pith_short_16","alias_value":"TEWXZQA5TOYQR6S7","created_at":"2026-05-18T12:28:49Z"},{"alias_kind":"pith_short_8","alias_value":"TEWXZQA5","created_at":"2026-05-18T12:28:49Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:TEWXZQA5TOYQR6S7INCIFP4QNG","target":"record","payload":{"canonical_record":{"source":{"id":"1411.1705","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.MM","submitted_at":"2014-11-05T16:29:30Z","cross_cats_sorted":[],"title_canon_sha256":"98b14da05a81e9fd2107ba4fd3c7a91444167edeed007a721c99cd3c24bb96ef","abstract_canon_sha256":"face878f4dc8dfa0a30088bb8afdebeb7735ed90c4605883cd81fead381ab3d5"},"schema_version":"1.0"},"canonical_sha256":"992d7cc01d9bb108fa5f434482bf9069a4178e04d7809d42529174ece067b3d5","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:38:27.126650Z","signature_b64":"1pKF7sbVslhXQqxCb77odsb3+XhAjL8PKb64eiBX2r78SbAy2iW46U9f6Ht6wHuAAp3rI7Qcc5Sp9c0TRRPhDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"992d7cc01d9bb108fa5f434482bf9069a4178e04d7809d42529174ece067b3d5","last_reissued_at":"2026-05-18T02:38:27.126102Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:38:27.126102Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1411.1705","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":"2026-05-18T02:38:27Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+0U9Or2Bxb2UpIVZFnTjl/BYH6+4CS+/H5Ds1FVH8WnXbVGdodeLJ4VzM6AjY4zyt6FeDLjzm3nY7z2huGvmAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T21:46:53.410819Z"},"content_sha256":"27c21aab20c581357b34f3dde7cc7ef5d866e1b713f58bf63385abecaed29ddf","schema_version":"1.0","event_id":"sha256:27c21aab20c581357b34f3dde7cc7ef5d866e1b713f58bf63385abecaed29ddf"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:TEWXZQA5TOYQR6S7INCIFP4QNG","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A Novel No-reference Video Quality Metric for Evaluating Temporal Jerkiness due to Frame Freezing","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.MM","authors_text":"Beril Erkin, Yao Wang, Yuanyi Xue","submitted_at":"2014-11-05T16:29:30Z","abstract_excerpt":"In this work, we propose a novel no-reference (NR) video quality metric that evaluates the impact of frame freezing due to either packet loss or late arrival. Our metric uses a trained neural network acting on features that are chosen to capture the impact of frame freezing on the perceived quality. The considered features include the number of freezes, freeze duration statistics, inter-freeze distance statistics, frame difference before and after the freeze, normal frame difference, and the ratio of them. We use the neural network to find the mapping between features and subjective test score"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1411.1705","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":"2026-05-18T02:38:27Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ScDMhffIgBIAUefJHwc2C2g23bnsShpxh/YaT4fbUetzKJdj+PqNOer0xe74TNBocNWMepIolvJC0N2ESTAsAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T21:46:53.411484Z"},"content_sha256":"6fedffa552ff288b24def04bd88efb5f466c36359bf61d0a74b49ad85f24e772","schema_version":"1.0","event_id":"sha256:6fedffa552ff288b24def04bd88efb5f466c36359bf61d0a74b49ad85f24e772"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/TEWXZQA5TOYQR6S7INCIFP4QNG/bundle.json","state_url":"https://pith.science/pith/TEWXZQA5TOYQR6S7INCIFP4QNG/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/TEWXZQA5TOYQR6S7INCIFP4QNG/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":"2026-05-25T21:46:53Z","links":{"resolver":"https://pith.science/pith/TEWXZQA5TOYQR6S7INCIFP4QNG","bundle":"https://pith.science/pith/TEWXZQA5TOYQR6S7INCIFP4QNG/bundle.json","state":"https://pith.science/pith/TEWXZQA5TOYQR6S7INCIFP4QNG/state.json","well_known_bundle":"https://pith.science/.well-known/pith/TEWXZQA5TOYQR6S7INCIFP4QNG/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:TEWXZQA5TOYQR6S7INCIFP4QNG","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":"face878f4dc8dfa0a30088bb8afdebeb7735ed90c4605883cd81fead381ab3d5","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.MM","submitted_at":"2014-11-05T16:29:30Z","title_canon_sha256":"98b14da05a81e9fd2107ba4fd3c7a91444167edeed007a721c99cd3c24bb96ef"},"schema_version":"1.0","source":{"id":"1411.1705","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1411.1705","created_at":"2026-05-18T02:38:27Z"},{"alias_kind":"arxiv_version","alias_value":"1411.1705v1","created_at":"2026-05-18T02:38:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1411.1705","created_at":"2026-05-18T02:38:27Z"},{"alias_kind":"pith_short_12","alias_value":"TEWXZQA5TOYQ","created_at":"2026-05-18T12:28:49Z"},{"alias_kind":"pith_short_16","alias_value":"TEWXZQA5TOYQR6S7","created_at":"2026-05-18T12:28:49Z"},{"alias_kind":"pith_short_8","alias_value":"TEWXZQA5","created_at":"2026-05-18T12:28:49Z"}],"graph_snapshots":[{"event_id":"sha256:6fedffa552ff288b24def04bd88efb5f466c36359bf61d0a74b49ad85f24e772","target":"graph","created_at":"2026-05-18T02:38:27Z","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":"In this work, we propose a novel no-reference (NR) video quality metric that evaluates the impact of frame freezing due to either packet loss or late arrival. Our metric uses a trained neural network acting on features that are chosen to capture the impact of frame freezing on the perceived quality. The considered features include the number of freezes, freeze duration statistics, inter-freeze distance statistics, frame difference before and after the freeze, normal frame difference, and the ratio of them. We use the neural network to find the mapping between features and subjective test score","authors_text":"Beril Erkin, Yao Wang, Yuanyi Xue","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.MM","submitted_at":"2014-11-05T16:29:30Z","title":"A Novel No-reference Video Quality Metric for Evaluating Temporal Jerkiness due to Frame Freezing"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1411.1705","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":"sha256:27c21aab20c581357b34f3dde7cc7ef5d866e1b713f58bf63385abecaed29ddf","target":"record","created_at":"2026-05-18T02:38:27Z","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":"face878f4dc8dfa0a30088bb8afdebeb7735ed90c4605883cd81fead381ab3d5","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.MM","submitted_at":"2014-11-05T16:29:30Z","title_canon_sha256":"98b14da05a81e9fd2107ba4fd3c7a91444167edeed007a721c99cd3c24bb96ef"},"schema_version":"1.0","source":{"id":"1411.1705","kind":"arxiv","version":1}},"canonical_sha256":"992d7cc01d9bb108fa5f434482bf9069a4178e04d7809d42529174ece067b3d5","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"992d7cc01d9bb108fa5f434482bf9069a4178e04d7809d42529174ece067b3d5","first_computed_at":"2026-05-18T02:38:27.126102Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:38:27.126102Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"1pKF7sbVslhXQqxCb77odsb3+XhAjL8PKb64eiBX2r78SbAy2iW46U9f6Ht6wHuAAp3rI7Qcc5Sp9c0TRRPhDw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:38:27.126650Z","signed_message":"canonical_sha256_bytes"},"source_id":"1411.1705","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:27c21aab20c581357b34f3dde7cc7ef5d866e1b713f58bf63385abecaed29ddf","sha256:6fedffa552ff288b24def04bd88efb5f466c36359bf61d0a74b49ad85f24e772"],"state_sha256":"d889e61bd89645fc17d6fd7468c066402df684af8d281283e48db8c1ff834012"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mPVIQG/OgBsENE9bKRQZ5xJtOfcFW+2RBgiwKv/O5qpnSZTS/h9KrbzFU07VoqCqMpBxqDQHfKkAl8lPllJAAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T21:46:53.414867Z","bundle_sha256":"6658549efe1eff1fea208360eb1f80fbcd58331272baf65e1302dfc917504c50"}}