nfv/lib/filters/binarize.js

[Updated to use ndv package instead dv] FormVision is a node.js library for extracting data from scanned forms

// Generated by CoffeeScript 1.12.7
var dv, tesseractInstance;

dv = require('ndv');

tesseractInstance = null;

module.exports = function(image) {
  if (tesseractInstance == null) {
    tesseractInstance = new dv.Tesseract();
  }
  tesseractInstance.image = image;
  return tesseractInstance.thresholdImage();
};