{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:XGQHMRI4LI266O2PODY5JEMUNA","short_pith_number":"pith:XGQHMRI4","canonical_record":{"source":{"id":"2403.01647","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.CV","submitted_at":"2024-03-04T00:01:52Z","cross_cats_sorted":["eess.IV"],"title_canon_sha256":"43957303c476cfd080172cdef4d078c483a73bc98c4f4c42f6047e3c51354291","abstract_canon_sha256":"fa238efa27e87c8d87ce30a5e44d162e3dcee38ad9c7a5c763acf499df4cd8e9"},"schema_version":"1.0"},"canonical_sha256":"b9a076451c5a35ef3b4f70f1d491946823364df836a1ac7b12ca22c085c10bf4","source":{"kind":"arxiv","id":"2403.01647","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2403.01647","created_at":"2026-07-05T09:25:22Z"},{"alias_kind":"arxiv_version","alias_value":"2403.01647v1","created_at":"2026-07-05T09:25:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2403.01647","created_at":"2026-07-05T09:25:22Z"},{"alias_kind":"pith_short_12","alias_value":"XGQHMRI4LI26","created_at":"2026-07-05T09:25:22Z"},{"alias_kind":"pith_short_16","alias_value":"XGQHMRI4LI266O2P","created_at":"2026-07-05T09:25:22Z"},{"alias_kind":"pith_short_8","alias_value":"XGQHMRI4","created_at":"2026-07-05T09:25:22Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:XGQHMRI4LI266O2PODY5JEMUNA","target":"record","payload":{"canonical_record":{"source":{"id":"2403.01647","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.CV","submitted_at":"2024-03-04T00:01:52Z","cross_cats_sorted":["eess.IV"],"title_canon_sha256":"43957303c476cfd080172cdef4d078c483a73bc98c4f4c42f6047e3c51354291","abstract_canon_sha256":"fa238efa27e87c8d87ce30a5e44d162e3dcee38ad9c7a5c763acf499df4cd8e9"},"schema_version":"1.0"},"canonical_sha256":"b9a076451c5a35ef3b4f70f1d491946823364df836a1ac7b12ca22c085c10bf4","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T09:25:22.918726Z","signature_b64":"prdnzx8zztfZlepjZKUn3f2hueZA96eGLfla8uDb3R9yB2qx75Pl8WXvHNTvMroBe4KDKFVzwxMe23vrJxG6BQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b9a076451c5a35ef3b4f70f1d491946823364df836a1ac7b12ca22c085c10bf4","last_reissued_at":"2026-07-05T09:25:22.918240Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T09:25:22.918240Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2403.01647","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":"2026-07-05T09:25:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4/n4KJU4GOhpKUPuSN/dIB4YWBwHXm3D9j0u7AIhARL6SFm2RpUt4XrpjIUa7TcvOAOwqATxiHM5FLTXi5m+BA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-08T21:38:40.255111Z"},"content_sha256":"c2f661bcc4140c208d47683c8e821d24108d4b6d2b47bd91427f3ff7dfae4eac","schema_version":"1.0","event_id":"sha256:c2f661bcc4140c208d47683c8e821d24108d4b6d2b47bd91427f3ff7dfae4eac"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:XGQHMRI4LI266O2PODY5JEMUNA","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Neural Network Assisted Lifting Steps For Improved Fully Scalable Lossy Image Compression in JPEG 2000","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","headline":"","cross_cats":["eess.IV"],"primary_cat":"cs.CV","authors_text":"Aous Naman, David Taubman, Xinyue Li","submitted_at":"2024-03-04T00:01:52Z","abstract_excerpt":"This work proposes to augment the lifting steps of the conventional wavelet transform with additional neural network assisted lifting steps. These additional steps reduce residual redundancy (notably aliasing information) amongst the wavelet subbands, and also improve the visual quality of reconstructed images at reduced resolutions. The proposed approach involves two steps, a high-to-low step followed by a low-to-high step. The high-to-low step suppresses aliasing in the low-pass band by using the detail bands at the same resolution, while the low-to-high step aims to further remove redundanc"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2403.01647","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/2403.01647/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":"2026-07-05T09:25:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jR0uNNZYVpdORsey50PiB2y6nlwMJj3tJCn+Yz0WNDp4f5DR96ssmvP6eyw0jXt3r/DuqEPAQ/hMaWS2LklDBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-08T21:38:40.255525Z"},"content_sha256":"b2a581f3556c5cbc90b62d250d5814916183f98973c9fe438a05c059457776aa","schema_version":"1.0","event_id":"sha256:b2a581f3556c5cbc90b62d250d5814916183f98973c9fe438a05c059457776aa"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/XGQHMRI4LI266O2PODY5JEMUNA/bundle.json","state_url":"https://pith.science/pith/XGQHMRI4LI266O2PODY5JEMUNA/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/XGQHMRI4LI266O2PODY5JEMUNA/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":"2026-07-08T21:38:40Z","links":{"resolver":"https://pith.science/pith/XGQHMRI4LI266O2PODY5JEMUNA","bundle":"https://pith.science/pith/XGQHMRI4LI266O2PODY5JEMUNA/bundle.json","state":"https://pith.science/pith/XGQHMRI4LI266O2PODY5JEMUNA/state.json","well_known_bundle":"https://pith.science/.well-known/pith/XGQHMRI4LI266O2PODY5JEMUNA/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:XGQHMRI4LI266O2PODY5JEMUNA","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":"fa238efa27e87c8d87ce30a5e44d162e3dcee38ad9c7a5c763acf499df4cd8e9","cross_cats_sorted":["eess.IV"],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.CV","submitted_at":"2024-03-04T00:01:52Z","title_canon_sha256":"43957303c476cfd080172cdef4d078c483a73bc98c4f4c42f6047e3c51354291"},"schema_version":"1.0","source":{"id":"2403.01647","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2403.01647","created_at":"2026-07-05T09:25:22Z"},{"alias_kind":"arxiv_version","alias_value":"2403.01647v1","created_at":"2026-07-05T09:25:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2403.01647","created_at":"2026-07-05T09:25:22Z"},{"alias_kind":"pith_short_12","alias_value":"XGQHMRI4LI26","created_at":"2026-07-05T09:25:22Z"},{"alias_kind":"pith_short_16","alias_value":"XGQHMRI4LI266O2P","created_at":"2026-07-05T09:25:22Z"},{"alias_kind":"pith_short_8","alias_value":"XGQHMRI4","created_at":"2026-07-05T09:25:22Z"}],"graph_snapshots":[{"event_id":"sha256:b2a581f3556c5cbc90b62d250d5814916183f98973c9fe438a05c059457776aa","target":"graph","created_at":"2026-07-05T09:25:22Z","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/2403.01647/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"This work proposes to augment the lifting steps of the conventional wavelet transform with additional neural network assisted lifting steps. These additional steps reduce residual redundancy (notably aliasing information) amongst the wavelet subbands, and also improve the visual quality of reconstructed images at reduced resolutions. The proposed approach involves two steps, a high-to-low step followed by a low-to-high step. The high-to-low step suppresses aliasing in the low-pass band by using the detail bands at the same resolution, while the low-to-high step aims to further remove redundanc","authors_text":"Aous Naman, David Taubman, Xinyue Li","cross_cats":["eess.IV"],"headline":"","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.CV","submitted_at":"2024-03-04T00:01:52Z","title":"Neural Network Assisted Lifting Steps For Improved Fully Scalable Lossy Image Compression in JPEG 2000"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2403.01647","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:c2f661bcc4140c208d47683c8e821d24108d4b6d2b47bd91427f3ff7dfae4eac","target":"record","created_at":"2026-07-05T09:25:22Z","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":"fa238efa27e87c8d87ce30a5e44d162e3dcee38ad9c7a5c763acf499df4cd8e9","cross_cats_sorted":["eess.IV"],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.CV","submitted_at":"2024-03-04T00:01:52Z","title_canon_sha256":"43957303c476cfd080172cdef4d078c483a73bc98c4f4c42f6047e3c51354291"},"schema_version":"1.0","source":{"id":"2403.01647","kind":"arxiv","version":1}},"canonical_sha256":"b9a076451c5a35ef3b4f70f1d491946823364df836a1ac7b12ca22c085c10bf4","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b9a076451c5a35ef3b4f70f1d491946823364df836a1ac7b12ca22c085c10bf4","first_computed_at":"2026-07-05T09:25:22.918240Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T09:25:22.918240Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"prdnzx8zztfZlepjZKUn3f2hueZA96eGLfla8uDb3R9yB2qx75Pl8WXvHNTvMroBe4KDKFVzwxMe23vrJxG6BQ==","signature_status":"signed_v1","signed_at":"2026-07-05T09:25:22.918726Z","signed_message":"canonical_sha256_bytes"},"source_id":"2403.01647","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c2f661bcc4140c208d47683c8e821d24108d4b6d2b47bd91427f3ff7dfae4eac","sha256:b2a581f3556c5cbc90b62d250d5814916183f98973c9fe438a05c059457776aa"],"state_sha256":"40075a6970bdc66575d117031fc9c40da31f4a076022d4532f156071c333603f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wqixE/rHF1Iu3R3waLgdXS8MVEyUVhmvVOVJlGK/cN/k9/ZtGxrsG2iJf2JfSjkBref8EVTLuh6EGoaAKhqEAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-08T21:38:40.257593Z","bundle_sha256":"820edaa967316e9e2003942d5dc20a29af5e156062b7d6080629753654818ccc"}}