{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:G3MQJEM63742FUQZEGSH6LLFF6","short_pith_number":"pith:G3MQJEM6","canonical_record":{"source":{"id":"1703.06256","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2017-03-18T04:58:32Z","cross_cats_sorted":[],"title_canon_sha256":"c1280976d730c6427b17494a2190f194c7449d3549fdad8bfd7b7fcd56290360","abstract_canon_sha256":"1b9109f405f6f31cf120b4bb2d684245692861e69770e51d1038732db8ff3e2e"},"schema_version":"1.0"},"canonical_sha256":"36d904919edff9a2d21921a47f2d652fa992ecd98eb9b196ef2dce608becb77a","source":{"kind":"arxiv","id":"1703.06256","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1703.06256","created_at":"2026-05-18T00:48:23Z"},{"alias_kind":"arxiv_version","alias_value":"1703.06256v1","created_at":"2026-05-18T00:48:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1703.06256","created_at":"2026-05-18T00:48:23Z"},{"alias_kind":"pith_short_12","alias_value":"G3MQJEM63742","created_at":"2026-05-18T12:31:15Z"},{"alias_kind":"pith_short_16","alias_value":"G3MQJEM63742FUQZ","created_at":"2026-05-18T12:31:15Z"},{"alias_kind":"pith_short_8","alias_value":"G3MQJEM6","created_at":"2026-05-18T12:31:15Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:G3MQJEM63742FUQZEGSH6LLFF6","target":"record","payload":{"canonical_record":{"source":{"id":"1703.06256","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2017-03-18T04:58:32Z","cross_cats_sorted":[],"title_canon_sha256":"c1280976d730c6427b17494a2190f194c7449d3549fdad8bfd7b7fcd56290360","abstract_canon_sha256":"1b9109f405f6f31cf120b4bb2d684245692861e69770e51d1038732db8ff3e2e"},"schema_version":"1.0"},"canonical_sha256":"36d904919edff9a2d21921a47f2d652fa992ecd98eb9b196ef2dce608becb77a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:48:23.472254Z","signature_b64":"nx/gwZWgbFIw4yrG+zll3cFphs3fUY8l3QO1GEd8kEJmYH62GVMlI+8RUA6m5K72JpZ0qr+x3+KW0vTjvnhJBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"36d904919edff9a2d21921a47f2d652fa992ecd98eb9b196ef2dce608becb77a","last_reissued_at":"2026-05-18T00:48:23.471621Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:48:23.471621Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1703.06256","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":"2026-05-18T00:48:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WpISUzY8MxJs2kHYmlIkzslFnGhawTUEr0PFdH7gsN80iMM7vX7x+Y16bHtE8vzABHKa8bt62CnCe8Kt6WFdDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T22:47:22.760729Z"},"content_sha256":"d4322f126c847b24af15084bec33c8e46a8bc85538d4a918d2b97a98a40eaeea","schema_version":"1.0","event_id":"sha256:d4322f126c847b24af15084bec33c8e46a8bc85538d4a918d2b97a98a40eaeea"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:G3MQJEM63742FUQZEGSH6LLFF6","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A Fast HOG Descriptor Using Lookup Table and Integral Image","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.CV","authors_text":"Chunde Huang, Jiaxiang Huang","submitted_at":"2017-03-18T04:58:32Z","abstract_excerpt":"The histogram of oriented gradients (HOG) is a widely used feature descriptor in computer vision for the purpose of object detection. In the paper, a modified HOG descriptor is described, it uses a lookup table and the method of integral image to speed up the detection performance by a factor of 5~10. By exploiting the special hardware features of a given platform(e.g. a digital signal processor), further improvement can be made to the HOG descriptor in order to have real-time object detection and tracking."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1703.06256","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":"2026-05-18T00:48:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Zg/CFOtJ20IrGsYVoVNuQEt867dOSfagTz4oScf6GFKtJm6gQOlux5wp/AO3HPNjQA/xU2mBMKg9nK7+9VlvAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T22:47:22.761195Z"},"content_sha256":"a89f9ae4fdb4f163e1ad8b684cbeaeb254dc4da55be1dc0a3f52a2f6cfd3d964","schema_version":"1.0","event_id":"sha256:a89f9ae4fdb4f163e1ad8b684cbeaeb254dc4da55be1dc0a3f52a2f6cfd3d964"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/G3MQJEM63742FUQZEGSH6LLFF6/bundle.json","state_url":"https://pith.science/pith/G3MQJEM63742FUQZEGSH6LLFF6/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/G3MQJEM63742FUQZEGSH6LLFF6/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":"2026-08-06T22:47:22Z","links":{"resolver":"https://pith.science/pith/G3MQJEM63742FUQZEGSH6LLFF6","bundle":"https://pith.science/pith/G3MQJEM63742FUQZEGSH6LLFF6/bundle.json","state":"https://pith.science/pith/G3MQJEM63742FUQZEGSH6LLFF6/state.json","well_known_bundle":"https://pith.science/.well-known/pith/G3MQJEM63742FUQZEGSH6LLFF6/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:G3MQJEM63742FUQZEGSH6LLFF6","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":"1b9109f405f6f31cf120b4bb2d684245692861e69770e51d1038732db8ff3e2e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2017-03-18T04:58:32Z","title_canon_sha256":"c1280976d730c6427b17494a2190f194c7449d3549fdad8bfd7b7fcd56290360"},"schema_version":"1.0","source":{"id":"1703.06256","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1703.06256","created_at":"2026-05-18T00:48:23Z"},{"alias_kind":"arxiv_version","alias_value":"1703.06256v1","created_at":"2026-05-18T00:48:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1703.06256","created_at":"2026-05-18T00:48:23Z"},{"alias_kind":"pith_short_12","alias_value":"G3MQJEM63742","created_at":"2026-05-18T12:31:15Z"},{"alias_kind":"pith_short_16","alias_value":"G3MQJEM63742FUQZ","created_at":"2026-05-18T12:31:15Z"},{"alias_kind":"pith_short_8","alias_value":"G3MQJEM6","created_at":"2026-05-18T12:31:15Z"}],"graph_snapshots":[{"event_id":"sha256:a89f9ae4fdb4f163e1ad8b684cbeaeb254dc4da55be1dc0a3f52a2f6cfd3d964","target":"graph","created_at":"2026-05-18T00:48:23Z","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":"The histogram of oriented gradients (HOG) is a widely used feature descriptor in computer vision for the purpose of object detection. In the paper, a modified HOG descriptor is described, it uses a lookup table and the method of integral image to speed up the detection performance by a factor of 5~10. By exploiting the special hardware features of a given platform(e.g. a digital signal processor), further improvement can be made to the HOG descriptor in order to have real-time object detection and tracking.","authors_text":"Chunde Huang, Jiaxiang Huang","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2017-03-18T04:58:32Z","title":"A Fast HOG Descriptor Using Lookup Table and Integral Image"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1703.06256","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:d4322f126c847b24af15084bec33c8e46a8bc85538d4a918d2b97a98a40eaeea","target":"record","created_at":"2026-05-18T00:48:23Z","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":"1b9109f405f6f31cf120b4bb2d684245692861e69770e51d1038732db8ff3e2e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2017-03-18T04:58:32Z","title_canon_sha256":"c1280976d730c6427b17494a2190f194c7449d3549fdad8bfd7b7fcd56290360"},"schema_version":"1.0","source":{"id":"1703.06256","kind":"arxiv","version":1}},"canonical_sha256":"36d904919edff9a2d21921a47f2d652fa992ecd98eb9b196ef2dce608becb77a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"36d904919edff9a2d21921a47f2d652fa992ecd98eb9b196ef2dce608becb77a","first_computed_at":"2026-05-18T00:48:23.471621Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:48:23.471621Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"nx/gwZWgbFIw4yrG+zll3cFphs3fUY8l3QO1GEd8kEJmYH62GVMlI+8RUA6m5K72JpZ0qr+x3+KW0vTjvnhJBg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:48:23.472254Z","signed_message":"canonical_sha256_bytes"},"source_id":"1703.06256","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d4322f126c847b24af15084bec33c8e46a8bc85538d4a918d2b97a98a40eaeea","sha256:a89f9ae4fdb4f163e1ad8b684cbeaeb254dc4da55be1dc0a3f52a2f6cfd3d964"],"state_sha256":"6eaa9012f78e138cd5ce432379d194b58a9839adfb80d2efeb87165352b4e013"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ShbAHaPlgXafDrXBPlkD1Es3k+S1i4MkY19O0R+3kflAtHH1Y8j+DKo0/eRkxwkwshfEGL0pzfGqBbWmYuhFBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-06T22:47:22.765634Z","bundle_sha256":"205c1ad73bcb90bccbbdb080f206e23e9863de4b29fd23c8dc16ccf0c90d9dd7"}}