var cv = require('../lib/opencv') var vid = new cv.VideoCapture(0) var snap = function(){ vid.read(function(err, im){ im.detectObject(cv.FACE_CASCADE, {}, function(err, faces){ if (!faces){ console.log("No Faces") return; } var face = faces[0] , ims = im.size() im.adjustROI( -face.y , (face.y + face.height) - ims[0] , -face.x , (face.x + face.width) - ims[1]) console.log("!!", im.locateROI()); var im2 = im.clone() }) }); } snap()