| { |
| "schema": "unroll-inkbench/1", |
| "tool": { |
| "name": "inkbench", |
| "version": "1.0.0", |
| "impl": "python" |
| }, |
| "created": "2026-10-16T03:52:15Z", |
| "scroll": "PHerc0139", |
| "segment": "w034", |
| "reference": { |
| "layer": "ink", |
| "label": "Published ink (2.4 um), Vesuvius Challenge", |
| "file": "data/bench/w034_ink.png", |
| "sha256": "2a61bfe01f4967d373162c0e284aabd786d9a95b91a4f8cc93bfd17fb74056fd", |
| "width": 640, |
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| "format": "png", |
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| "normalization": "max255", |
| "invert": false, |
| "model": { |
| "name": "baseline: X-ray intensity (same grid, no alignment needed)" |
| } |
| }, |
| "alignment": { |
| "method": "manual", |
| "target": "ink", |
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| "ty": 0.0, |
| "sx": 1.0, |
| "sy": 1.0, |
| "ncc": 0.249872, |
| "coarseNcc": null, |
| "evals": 0, |
| "model": "bilinear, scale about grid center, then shift; units are reference px" |
| }, |
| "metrics": { |
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| "validFraction": 1.0, |
| "pearson": 0.249872, |
| "blurSigmaPx": 6.0, |
| "blurSigmaUM": 677.5, |
| "pearsonMatchedBlur": 0.389858, |
| "thresholds": { |
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| "pred": 0.5 |
| }, |
| "iou": 0.116884, |
| "dice": 0.209304, |
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| "recall": 0.513912, |
| "refPositiveFraction": 0.104332, |
| "predPositiveFraction": 0.408008, |
| "ap": 0.132244, |
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| "threshold": 0.3 |
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| }, |
| { |
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| "recall": 1.0 |
| } |
| ] |
| }, |
| "annotations": [], |
| "credits": { |
| "data": "PHerc. 139 scan, segments and published ink: Vesuvius Challenge open data (scrollprize.org), ESRF; held by the Biblioteca Nazionale di Napoli.", |
| "dataLicense": "CC BY-NC 4.0 (https://creativecommons.org/licenses/by-nc/4.0/)", |
| "code": "Unroll Ink Bench by Chase Hendrick", |
| "codeLicense": "Apache-2.0" |
| }, |
| "disclaimer": "Scores measure agreement with another model's output (the Vesuvius Challenge published ink detection), not agreement with ground truth. Letter boxes are candidates for expert review, not readings." |
| } |
