{
  "scene": "pillar",
  "ref_shutter": 0.002,
  "ref_shutter_fraction": "1/500",
  "hdr_method": "triangular_weight_debevec1997",
  "photos": [
    {
      "time": "time0",
      "type": "hdr_merge",
      "shooting_time": "2025:08:31 15:51:06",
      "iso": 100,
      "shutter_speed": "1/800",
      "num_images": 2,
      "source_files": [
        "DSC00816.dng",
        "DSC00818.dng"
      ],
      "exposure_times": [
        0.002,
        0.00125
      ],
      "ref_shutter": 0.002
    },
    {
      "time": "time1",
      "type": "hdr_merge",
      "shooting_time": "2025:08:31 16:23:55",
      "iso": 100,
      "shutter_speed": "1/100",
      "num_images": 2,
      "source_files": [
        "DSC00819.dng",
        "DSC00820.dng"
      ],
      "exposure_times": [
        0.002,
        0.01
      ],
      "ref_shutter": 0.002
    },
    {
      "time": "time2",
      "type": "hdr_merge",
      "shooting_time": "2025:08:31 17:02:36",
      "iso": 100,
      "shutter_speed": "1/640",
      "num_images": 2,
      "source_files": [
        "DSC00825.dng",
        "DSC00827.dng"
      ],
      "exposure_times": [
        0.002,
        0.0015625
      ],
      "ref_shutter": 0.002
    },
    {
      "time": "time3",
      "type": "hdr_merge",
      "shooting_time": "2025:08:31 17:32:50",
      "iso": 100,
      "shutter_speed": "1/200",
      "num_images": 2,
      "source_files": [
        "DSC00828.dng",
        "DSC00829.dng"
      ],
      "exposure_times": [
        0.002,
        0.005
      ],
      "ref_shutter": 0.002
    },
    {
      "time": "time4",
      "type": "hdr_merge",
      "shooting_time": "2025:08:31 18:09:49",
      "iso": 100,
      "shutter_speed": "1/125",
      "num_images": 2,
      "source_files": [
        "DSC00832.dng",
        "DSC00833.dng"
      ],
      "exposure_times": [
        0.002,
        0.008
      ],
      "ref_shutter": 0.002
    },
    {
      "time": "time5",
      "type": "hdr_merge",
      "shooting_time": "2025:08:31 18:38:40",
      "iso": 100,
      "shutter_speed": "1/80",
      "num_images": 2,
      "source_files": [
        "DSC00834.dng",
        "DSC00835.dng"
      ],
      "exposure_times": [
        0.002,
        0.0125
      ],
      "ref_shutter": 0.002
    }
  ],
  "envmaps": [
    {
      "time": "time0",
      "shooting_time": "2025:08:31 15:51:38",
      "iso": 100,
      "shutter_speed": "1/370",
      "num_exposures": 3,
      "exposure_times": [
        0.002702702702702703,
        0.0006666666666666666,
        0.01
      ],
      "ref_shutter": 0.002
    },
    {
      "time": "time1",
      "shooting_time": "2025:08:31 16:24:52",
      "iso": 100,
      "shutter_speed": "1/280",
      "num_exposures": 3,
      "exposure_times": [
        0.0035714285714285713,
        0.0009090909090909091,
        0.01
      ],
      "ref_shutter": 0.002
    },
    {
      "time": "time2",
      "shooting_time": "2025:08:31 17:01:09",
      "iso": 100,
      "shutter_speed": "1/390",
      "num_exposures": 3,
      "exposure_times": [
        0.002564102564102564,
        0.0006666666666666666,
        0.01
      ],
      "ref_shutter": 0.002
    },
    {
      "time": "time3",
      "shooting_time": "2025:08:31 17:33:51",
      "iso": 100,
      "shutter_speed": "1/350",
      "num_exposures": 3,
      "exposure_times": [
        0.002857142857142857,
        0.0007142857142857143,
        0.01
      ],
      "ref_shutter": 0.002
    },
    {
      "time": "time4",
      "shooting_time": "2025:08:31 18:09:37",
      "iso": 100,
      "shutter_speed": "1/300",
      "num_exposures": 3,
      "exposure_times": [
        0.0033333333333333335,
        0.0008333333333333334,
        0.01
      ],
      "ref_shutter": 0.002
    },
    {
      "time": "time5",
      "shooting_time": "2025:08:31 18:39:27",
      "iso": 100,
      "shutter_speed": "1/200",
      "num_exposures": 3,
      "exposure_times": [
        0.005,
        0.00125,
        0.01
      ],
      "ref_shutter": 0.002
    }
  ],
  "alignment_method": "life_optical_flow"
}