{
  "inspector": "image-export-inspection-v1",
  "method": "Original-file SHA-256 and signature; JPEG JFIF/SOF header inspection or PNG chunk CRCs, IHDR/tRNS and decoded alpha counts; no model inference or image editing.",
  "files": [
    {
      "filename": "matting-before.png",
      "sha256": "08bc6a6dbd53471573a8380e49a7b6b6f71acac2d6173f9053873a94d1c5cb3a",
      "bytes": 21654,
      "first_16_bytes_hex": "ffd8ffe000104a464946000101000001",
      "detected_format": "JPEG/JFIF",
      "filename_matches_format": false,
      "width": 512,
      "height": 768,
      "bit_depth": 8,
      "jpeg_frame_marker": "FFC0",
      "jpeg_components": 3,
      "header_markers_before_first_scan": [
        "FFE0",
        "FFE2",
        "FFDB",
        "FFDB",
        "FFC0",
        "FFC4",
        "FFC4",
        "FFC4",
        "FFC4"
      ],
      "contains_transparent_pixels": false,
      "transparency_check": "Baseline three-component JFIF carries no alpha channel. JPEG pixels were not decoded or counted by this script."
    },
    {
      "filename": "matting-after.png",
      "sha256": "3b757ab1752f9f5947f4ebbb1ccc40ae1648778389a1b00e4e3bcf20080962fb",
      "bytes": 26602,
      "first_16_bytes_hex": "ffd8ffe000104a464946000101000001",
      "detected_format": "JPEG/JFIF",
      "filename_matches_format": false,
      "width": 681,
      "height": 1010,
      "bit_depth": 8,
      "jpeg_frame_marker": "FFC0",
      "jpeg_components": 3,
      "header_markers_before_first_scan": [
        "FFE0",
        "FFE2",
        "FFDB",
        "FFDB",
        "FFC0",
        "FFC4",
        "FFC4",
        "FFC4",
        "FFC4"
      ],
      "contains_transparent_pixels": false,
      "transparency_check": "Baseline three-component JFIF carries no alpha channel. JPEG pixels were not decoded or counted by this script."
    },
    {
      "filename": "bg-after.png",
      "sha256": "280696bf9bfbde2d2077260abe6a8cce4a6754d519c1ec2628bd099eed5e6085",
      "bytes": 149263,
      "first_16_bytes_hex": "89504e470d0a1a0a0000000d49484452",
      "detected_format": "PNG",
      "filename_matches_format": true,
      "width": 637,
      "height": 1024,
      "bit_depth": 8,
      "png_color_type": 3,
      "stored_channels": "palette indices",
      "tRNS_present": true,
      "chunks_in_order": [
        "IHDR",
        "gAMA",
        "sRGB",
        "PLTE",
        "tRNS",
        "IDAT",
        "IDAT",
        "IDAT",
        "IDAT",
        "IDAT",
        "IDAT",
        "IDAT",
        "IDAT",
        "IDAT",
        "IDAT",
        "IDAT",
        "IDAT",
        "IDAT",
        "IDAT",
        "IDAT",
        "IDAT",
        "IDAT",
        "IDAT",
        "IDAT",
        "IEND"
      ],
      "all_chunk_crcs_valid": true,
      "pixel_count": 652288,
      "alpha_counts": {
        "fully_transparent": 212250,
        "partially_transparent": 108442,
        "fully_opaque": 331596
      },
      "alpha_percentages": {
        "fully_transparent": 32.5393,
        "partially_transparent": 16.6249,
        "fully_opaque": 50.8358
      },
      "corner_samples": [
        {
          "x": 0,
          "y": 0,
          "rgba": [
            71,
            112,
            76,
            0
          ]
        },
        {
          "x": 636,
          "y": 0,
          "rgba": [
            71,
            112,
            76,
            0
          ]
        },
        {
          "x": 0,
          "y": 1023,
          "rgba": [
            71,
            112,
            76,
            0
          ]
        },
        {
          "x": 636,
          "y": 1023,
          "rgba": [
            232,
            235,
            239,
            118
          ]
        }
      ],
      "contains_transparent_pixels": true
    }
  ]
}