message: undo line change
diff: @@ -106,8 +106,8 @@ export default class GlobalHistogramBinarizer extends Binarizer {
  const localBuckets = this.buckets;
  for (let y = 1; y < 5; y++) {
  const row = Math.floor((height * y) / 5);
  - const right = Math.floor((width * 4) / 5);
  const localLuminances = source.getRow(row, this.luminances);
  + const right = Math.floor((width * 4) / 5);
  for (let x = Math.floor(width / 5); x < right; x++) {
  const pixel = localLuminances[x] & 0xff;
  localBuckets[pixel >> GlobalHistogramBinarizer.LUMINANCE_SHIFT]++;
  