{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:F6FWUBDO6676NJ6QXYEXCDAFE3","short_pith_number":"pith:F6FWUBDO","canonical_record":{"source":{"id":"1808.09640","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.MM","submitted_at":"2018-08-29T05:04:58Z","cross_cats_sorted":[],"title_canon_sha256":"361d908456a2a6cbbd0face14081cc7820e1bf82f164e1db900674842df22504","abstract_canon_sha256":"01a2589ed69dae8378b0ccf6fd9858c347e84514735e899cb06dac027755d820"},"schema_version":"1.0"},"canonical_sha256":"2f8b6a046ef7bfe6a7d0be09710c0526f538702429aa086f1eb11296cc0f9843","source":{"kind":"arxiv","id":"1808.09640","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1808.09640","created_at":"2026-05-18T00:06:54Z"},{"alias_kind":"arxiv_version","alias_value":"1808.09640v1","created_at":"2026-05-18T00:06:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1808.09640","created_at":"2026-05-18T00:06:54Z"},{"alias_kind":"pith_short_12","alias_value":"F6FWUBDO6676","created_at":"2026-05-18T12:32:22Z"},{"alias_kind":"pith_short_16","alias_value":"F6FWUBDO6676NJ6Q","created_at":"2026-05-18T12:32:22Z"},{"alias_kind":"pith_short_8","alias_value":"F6FWUBDO","created_at":"2026-05-18T12:32:22Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:F6FWUBDO6676NJ6QXYEXCDAFE3","target":"record","payload":{"canonical_record":{"source":{"id":"1808.09640","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.MM","submitted_at":"2018-08-29T05:04:58Z","cross_cats_sorted":[],"title_canon_sha256":"361d908456a2a6cbbd0face14081cc7820e1bf82f164e1db900674842df22504","abstract_canon_sha256":"01a2589ed69dae8378b0ccf6fd9858c347e84514735e899cb06dac027755d820"},"schema_version":"1.0"},"canonical_sha256":"2f8b6a046ef7bfe6a7d0be09710c0526f538702429aa086f1eb11296cc0f9843","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:06:54.933212Z","signature_b64":"40E1eCI27wmxEhYBJPaqBs9ile6xlDKfWLIyps9aRYHo5H7wMd0Z07HdstFGA7iXVVVCedoe8t5ZWse+CQZYDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2f8b6a046ef7bfe6a7d0be09710c0526f538702429aa086f1eb11296cc0f9843","last_reissued_at":"2026-05-18T00:06:54.932714Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:06:54.932714Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1808.09640","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":"2026-05-18T00:06:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0PJEoMG5+vWYSWOt+MODLqA9S9GC28i2iDuqQAPz9UNCuos7QJVvkGkKzh6Fx7UD+zFKY1eOQWzv12WMsQdXAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T21:09:48.720460Z"},"content_sha256":"191d28765c0320f131039805f0dea9a1bda0888411ea1a2919c381d450b90e53","schema_version":"1.0","event_id":"sha256:191d28765c0320f131039805f0dea9a1bda0888411ea1a2919c381d450b90e53"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:F6FWUBDO6676NJ6QXYEXCDAFE3","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Wavelet Video Coding Algorithm Based on Energy Weighted Significance Probability Balancing Tree","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.MM","authors_text":"Bo Fu, Chuan-Ming Song, Ming-Zhe Fu, Xiang-Hai Wang","submitted_at":"2018-08-29T05:04:58Z","abstract_excerpt":"This work presents a 3-D wavelet video coding algorithm. By analyzing the contribution of each biorthogonal wavelet basis to reconstructed signal's energy, we weight each wavelet subband according to its basis energy. Based on distribution of weighted coefficients, we further discuss a 3-D wavelet tree structure named \\textbf{significance probability balancing tree}, which places the coefficients with similar probabilities of being significant on the same layer. It is implemented by using hybrid spatial orientation tree and temporal-domain block tree. Subsequently, a novel 3-D wavelet video co"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1808.09640","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":"2026-05-18T00:06:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"JwE/7jeCIjGpfalNdo/oBv3D1nlLAs2g8xq+pAdLM/DKVjfyMUrQH3A1HE4rdFxutRBwWbeYmC+NTbFY/A6QAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T21:09:48.720831Z"},"content_sha256":"ad56a30ff1f0a75da09c9664b7e3191e1be67f5cf8b5a36680629fccdacdb705","schema_version":"1.0","event_id":"sha256:ad56a30ff1f0a75da09c9664b7e3191e1be67f5cf8b5a36680629fccdacdb705"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/F6FWUBDO6676NJ6QXYEXCDAFE3/bundle.json","state_url":"https://pith.science/pith/F6FWUBDO6676NJ6QXYEXCDAFE3/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/F6FWUBDO6676NJ6QXYEXCDAFE3/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":"2026-06-05T21:09:48Z","links":{"resolver":"https://pith.science/pith/F6FWUBDO6676NJ6QXYEXCDAFE3","bundle":"https://pith.science/pith/F6FWUBDO6676NJ6QXYEXCDAFE3/bundle.json","state":"https://pith.science/pith/F6FWUBDO6676NJ6QXYEXCDAFE3/state.json","well_known_bundle":"https://pith.science/.well-known/pith/F6FWUBDO6676NJ6QXYEXCDAFE3/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:F6FWUBDO6676NJ6QXYEXCDAFE3","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":"01a2589ed69dae8378b0ccf6fd9858c347e84514735e899cb06dac027755d820","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.MM","submitted_at":"2018-08-29T05:04:58Z","title_canon_sha256":"361d908456a2a6cbbd0face14081cc7820e1bf82f164e1db900674842df22504"},"schema_version":"1.0","source":{"id":"1808.09640","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1808.09640","created_at":"2026-05-18T00:06:54Z"},{"alias_kind":"arxiv_version","alias_value":"1808.09640v1","created_at":"2026-05-18T00:06:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1808.09640","created_at":"2026-05-18T00:06:54Z"},{"alias_kind":"pith_short_12","alias_value":"F6FWUBDO6676","created_at":"2026-05-18T12:32:22Z"},{"alias_kind":"pith_short_16","alias_value":"F6FWUBDO6676NJ6Q","created_at":"2026-05-18T12:32:22Z"},{"alias_kind":"pith_short_8","alias_value":"F6FWUBDO","created_at":"2026-05-18T12:32:22Z"}],"graph_snapshots":[{"event_id":"sha256:ad56a30ff1f0a75da09c9664b7e3191e1be67f5cf8b5a36680629fccdacdb705","target":"graph","created_at":"2026-05-18T00:06:54Z","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":"This work presents a 3-D wavelet video coding algorithm. By analyzing the contribution of each biorthogonal wavelet basis to reconstructed signal's energy, we weight each wavelet subband according to its basis energy. Based on distribution of weighted coefficients, we further discuss a 3-D wavelet tree structure named \\textbf{significance probability balancing tree}, which places the coefficients with similar probabilities of being significant on the same layer. It is implemented by using hybrid spatial orientation tree and temporal-domain block tree. Subsequently, a novel 3-D wavelet video co","authors_text":"Bo Fu, Chuan-Ming Song, Ming-Zhe Fu, Xiang-Hai Wang","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.MM","submitted_at":"2018-08-29T05:04:58Z","title":"Wavelet Video Coding Algorithm Based on Energy Weighted Significance Probability Balancing Tree"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1808.09640","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":"sha256:191d28765c0320f131039805f0dea9a1bda0888411ea1a2919c381d450b90e53","target":"record","created_at":"2026-05-18T00:06:54Z","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":"01a2589ed69dae8378b0ccf6fd9858c347e84514735e899cb06dac027755d820","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.MM","submitted_at":"2018-08-29T05:04:58Z","title_canon_sha256":"361d908456a2a6cbbd0face14081cc7820e1bf82f164e1db900674842df22504"},"schema_version":"1.0","source":{"id":"1808.09640","kind":"arxiv","version":1}},"canonical_sha256":"2f8b6a046ef7bfe6a7d0be09710c0526f538702429aa086f1eb11296cc0f9843","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2f8b6a046ef7bfe6a7d0be09710c0526f538702429aa086f1eb11296cc0f9843","first_computed_at":"2026-05-18T00:06:54.932714Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:06:54.932714Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"40E1eCI27wmxEhYBJPaqBs9ile6xlDKfWLIyps9aRYHo5H7wMd0Z07HdstFGA7iXVVVCedoe8t5ZWse+CQZYDw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:06:54.933212Z","signed_message":"canonical_sha256_bytes"},"source_id":"1808.09640","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:191d28765c0320f131039805f0dea9a1bda0888411ea1a2919c381d450b90e53","sha256:ad56a30ff1f0a75da09c9664b7e3191e1be67f5cf8b5a36680629fccdacdb705"],"state_sha256":"8aa36b438f415657b9aff0747adbdeb647b29973851b34918f22fdfe5a63d578"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"AVmP5GdXuO3VqmUr1Q5mso/jrMF5TYpAqAt0gaSyWZwOWjhfcJo24GGuF78tseH3kXLpfSTq27meEs36w7yeBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-05T21:09:48.723548Z","bundle_sha256":"e7d0d5ca45befee67e30e6a4446b2a3e5efb4962b8ccaedebcb5acc7b0da85ed"}}