Crop Whitespace Command

• threshold: 1..255 determines how much noise/edges to tolerate before cropping is finalized. 80 is a good starting point.
• percent_padding determines how much of the image to restore after cropping to provide some padding. 0.5 (half a percent) is a good starting point.

{
  "crop_whitespace": {
    "threshold": 80,
    "percent_padding" : 2
  }
}