Config for imagetracerjs, optimized for tracing pen drawings on paper

imagetracerjs.config.js

config: {
  ltres: 1,
  qtres: 1,
  pathomit: 20,
  rightangleenhance: true,
  colorsampling: 0,
  numberofcolors: 3,
  mincolorratio: 0,
  colorquantcycles: 3,
  blurradius: 3,
  blurdelta: 20,
  strokewidth: 0,
  linefilter: false,
  scale: 1,
  roundcoords: 1,
  viewbox: true,
  desc: false,
  lcpr: 0,
  qcpr: 0,
  pal: [
    {
      "r": 0,
      "g": 0,
      "b": 100,
      "a": 255
    },
    {
    "r": 255,
    "g": 255,
    "b": 255,
    "a": 255
    }
  ]
}