javascript - How to merge make PhotoBooth and face detection to work together? -

this simple solution have not been able figure out @ all, i'm trying photobooth.js , face detection script seen here face detection javascript work in same page, want detect faces within photobooth window. have working demo of photobooth on jsfiddle here: jsfiddle photobooth demo

from understand given example code detect faces need id canvas correctly? example code

var face_detect = require('face_detect'), canvas = require('canvas');  // ... initialize canvas object ...  var result = face_detect.detect_objects({ "canvas" : mycanvas,   "interval" : 5,   "min_neighbors" : 1 });  console.log('found ' + result.length  + ' faces.');  (var = 0; < result.length; i++){   var face =  result[i];   console.log(face); } 

so how go getting example code work photobooth? appreciated newbie out!