var ImageRecognition = require("image-recognition");
new ImageRecognition(imageURL,callback);
Example for the picture below:
var ImageRecognition = require("image-recognition");
new ImageRecognition("https://upload.wikimedia.org/wikipedia/commons/thumb/8/8d/President_Barack_Obama.jpg/220px-President_Barack_Obama.jpg",function(res){
console.log(res); //president obama
});