[
  {
    "id": "team_1914",
    "title": "Team photo, 1914",
    "caption": "Thirteen small faces in an old print",
    "factor": 8,
    "input": "examples/team_1914.jpg",
    "result": "examples/team_1914_x8.jpg",
    "thumb": "examples/thumbs/team_1914.webp",
    "in": [
      504,
      336
    ],
    "out": [
      4032,
      2688
    ],
    "credit": "Cavan football team, 1914, Bain News Service (Library of Congress). The demo input is a 504 × 336 crop saved as a compressed JPEG; the result is the ×8 output from the October 2026 benchmark run, stored as a high-quality JPEG.",
    "source": "https://www.loc.gov/pictures/item/2014696806/",
    "licence": "No known restrictions on publication (Library of Congress); published 1914, public domain in the United States.",
    "boxes": [
      [
        534,
        466,
        392
      ],
      [
        1806,
        534,
        329
      ],
      [
        2372,
        408,
        312
      ],
      [
        3136,
        490,
        314
      ],
      [
        452,
        1756,
        336
      ],
      [
        1986,
        1728,
        361
      ]
    ],
    "boxes_note": "[cx, cy, side] in pixels of the result image; from an offline Haar-cascade pass on the result, checked by eye"
  },
  {
    "id": "grocer_1943",
    "title": "Grocer, 1943",
    "caption": "A street scene, two faces",
    "factor": 8,
    "input": "examples/grocer_1943.jpg",
    "result": "examples/grocer_1943_x8.jpg",
    "thumb": "examples/thumbs/grocer_1943.webp",
    "in": [
      504,
      336
    ],
    "out": [
      4032,
      2688
    ],
    "credit": "Italian grocer, New York, 1943, by Marjory Collins, U.S. Office of War Information (Library of Congress). The demo input is a 504 × 336 crop saved as a compressed JPEG; the result is the ×8 output from the October 2026 benchmark run, stored as a high-quality JPEG.",
    "source": "https://www.loc.gov/resource/fsa.8d12753/",
    "licence": "Public domain (U.S. federal government work; Library of Congress: no known restrictions).",
    "boxes": [
      [
        442,
        978,
        212
      ],
      [
        3654,
        864,
        221
      ]
    ],
    "boxes_note": "[cx, cy, side] in pixels of the result image; from an offline Haar-cascade pass on the result, checked by eye"
  },
  {
    "id": "portrait_1880s",
    "title": "Portrait, 1870s–80s",
    "caption": "A carte de visite, glasses and beard",
    "factor": 4,
    "input": "examples/portrait_1880s.png",
    "result": "examples/portrait_1880s_x4.jpg",
    "thumb": "examples/thumbs/portrait_1880s.webp",
    "in": [
      294,
      480
    ],
    "out": [
      1176,
      1920
    ],
    "boxes": [
      [
        546,
        747,
        378
      ]
    ],
    "boxes_note": "[cx, cy, side] in pixels of the result image; from an offline Haar-cascade pass on the result, checked by eye",
    "credit": "Arthur König, 1870–1885, carte de visite by Julius Lawitzky, Berlin (Kunstbibliothek Berlin), Wikimedia Commons. The demo input is a small copy of the faded archive scan, reduced to 294 × 480; the result is the ×4 output from the October 2026 test run, stored as a high-quality JPEG.",
    "source": "https://commons.wikimedia.org/wiki/File:Arthur_K%C3%B6nig_by_Julius_Lawitzky_(Kunstbibliothek_Berlin).jpg",
    "licence": "Public domain (19th-century photograph, copyright expired)."
  },
  {
    "id": "portrait_1877",
    "title": "Portrait, 1877",
    "caption": "A faded carte de visite",
    "factor": 4,
    "input": "examples/portrait_1877.png",
    "result": "examples/portrait_1877_x4.jpg",
    "thumb": "examples/thumbs/portrait_1877.webp",
    "in": [
      287,
      480
    ],
    "out": [
      1148,
      1920
    ],
    "boxes": [
      [
        598,
        470,
        296
      ]
    ],
    "boxes_note": "[cx, cy, side] in pixels of the result image; from an offline Haar-cascade pass on the result, checked by eye",
    "credit": "Edward Noel Hodges, 1877, carte de visite by J. C. Turner, Islington, London, Wikimedia Commons. The demo input is a small copy of the faded archive scan, reduced to 287 × 480; the result is the ×4 output from the October 2026 test run, stored as a high-quality JPEG.",
    "source": "https://commons.wikimedia.org/wiki/File:Edward_Noel_Hodges,_1877.jpg",
    "licence": "Public domain (photograph from 1877, copyright expired)."
  }
]