{
  "method": "Pillow RGB fixture; 192x128; JPEG quality 95/60 and subsampling=2; no ICC; no resize; decode with Pillow; coordinates zero-based; compare against reference RGB values",
  "pillow": "12.3.0",
  "jpeg_codec": "8.0",
  "python": "3.12.14",
  "changed_formula": "100 * count(any(decoded RGB != reference RGB)) / (192 * 128)",
  "mae_formula": "sum(abs(decoded RGB - reference RGB)) / (192 * 128 * 3)",
  "results": [
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      "file": "reference.png",
      "quality": null,
      "subsampling": null,
      "sha256": "3bfc4354d4911b648df90d5f411af98c329ad20d07c6c89ad3e46d99c49176b8",
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      "changed_pixels": 0,
      "changed_percent": 0.0,
      "mae_per_channel": 0.0,
      "max_channel_error": 0,
      "samples": [
        {
          "label": "Blue center",
          "x": 40,
          "y": 30,
          "rgb": [
            36,
            99,
            235
          ],
          "hex": "#2463EB"
        },
        {
          "label": "Blue edge",
          "x": 94,
          "y": 30,
          "rgb": [
            36,
            99,
            235
          ],
          "hex": "#2463EB"
        },
        {
          "label": "Orange edge",
          "x": 95,
          "y": 30,
          "rgb": [
            244,
            123,
            82
          ],
          "hex": "#F47B52"
        },
        {
          "label": "Orange center",
          "x": 150,
          "y": 30,
          "rgb": [
            244,
            123,
            82
          ],
          "hex": "#F47B52"
        },
        {
          "label": "Fine dark line",
          "x": 40,
          "y": 64,
          "rgb": [
            33,
            41,
            54
          ],
          "hex": "#212936"
        },
        {
          "label": "Light patch",
          "x": 40,
          "y": 95,
          "rgb": [
            248,
            250,
            252
          ],
          "hex": "#F8FAFC"
        }
      ]
    },
    {
      "file": "jpeg-q95.jpg",
      "quality": 95,
      "subsampling": "4:2:0",
      "sha256": "fd810f36cb001ea3eced3b8812cf40aa74a4411ab60c4e90ed27fe536b1e00d7",
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      "changed_percent": 100.0,
      "mae_per_channel": 2.066705,
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      "samples": [
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          "y": 30,
          "rgb": [
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            100,
            236
          ],
          "hex": "#2464EC"
        },
        {
          "label": "Blue edge",
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          "y": 30,
          "rgb": [
            93,
            86,
            156
          ],
          "hex": "#5D569C"
        },
        {
          "label": "Orange edge",
          "x": 95,
          "y": 30,
          "rgb": [
            189,
            136,
            162
          ],
          "hex": "#BD88A2"
        },
        {
          "label": "Orange center",
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          "y": 30,
          "rgb": [
            245,
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            82
          ],
          "hex": "#F57B52"
        },
        {
          "label": "Fine dark line",
          "x": 40,
          "y": 64,
          "rgb": [
            0,
            43,
            132
          ],
          "hex": "#002B84"
        },
        {
          "label": "Light patch",
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          "y": 95,
          "rgb": [
            249,
            250,
            252
          ],
          "hex": "#F9FAFC"
        }
      ]
    },
    {
      "file": "jpeg-q60.jpg",
      "quality": 60,
      "subsampling": "4:2:0",
      "sha256": "d2fd1e4d9f9d79bd7a998ed551955476e9d64ef3a1eaf5fbbe09698095fcfe0a",
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      "changed_pixels": 24576,
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      "mae_per_channel": 3.700534,
      "max_channel_error": 116,
      "samples": [
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          "y": 30,
          "rgb": [
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          ],
          "hex": "#2264EC"
        },
        {
          "label": "Blue edge",
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          "y": 30,
          "rgb": [
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            156
          ],
          "hex": "#64579C"
        },
        {
          "label": "Orange edge",
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          "y": 30,
          "rgb": [
            194,
            132,
            157
          ],
          "hex": "#C2849D"
        },
        {
          "label": "Orange center",
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          "y": 30,
          "rgb": [
            247,
            123,
            85
          ],
          "hex": "#F77B55"
        },
        {
          "label": "Fine dark line",
          "x": 40,
          "y": 64,
          "rgb": [
            0,
            40,
            145
          ],
          "hex": "#002891"
        },
        {
          "label": "Light patch",
          "x": 40,
          "y": 95,
          "rgb": [
            250,
            250,
            252
          ],
          "hex": "#FAFAFC"
        }
      ]
    }
  ]
}