image tracer to svg to bezier

ImgTracerTest1.js

var path = '../images/Faces_0.png'

ImageTracer.loadImage(
    path, function(canvas) {

        // Getting ImageData from canvas with the helper function getImgdata().
        var imgd = ImageTracer.getImgdata(canvas);

        // Synchronous tracing to SVG string
        var svgstr = ImageTracer.imagedataToSVG(imgd, { pathomit: 152, lcpr: 0, scale: 1, numberofcolors: 12, blurradius: 10 });

        // Appending SVG
        ImageTracer.appendSVGString(svgstr, 'svgcontainer');
        // svgstr.length is 263794
        console.log(svgstr)
        var commands = svgstr.split(/(?=[LMCQ])/);
        console.log(commands)

        var pointArrays = commands.map(function(d) {
            var pointsArray = d.slice(1, d.length).split(',');
            var pairsArray = [];
            for (var i = 0; i < pointsArray.length; i += 2) {
                pairsArray.push([+pointsArray[i], +pointsArray[i + 1]]);
            }
            return pairsArray;
        });
        console.log(pointArrays)
       

    }
);