node-opencv/examples/motion-track.js
2013-08-27 21:46:32 +02:00

26 lines
658 B
JavaScript

var path = require('path'),
cv = require('../lib/opencv');
// When opening a file, the full path must be passed to opencv
var vid = new cv.VideoCapture(path.join(__dirname, "motion.mov"));
vid.read(function(err, mat){
var track = new cv.TrackedObject(mat, [420, 110, 490, 170], {channel: "value"});
var x = 0;
var iter = function(){
vid.read(function(err, m2){
x++;
var rec = track.track(m2)
console.log(">>", x, ":" , rec)
if (x % 10 == 0){
m2.rectangle([rec[0], rec[1]], [rec[2], rec[3]])
// m2.save('./out-motiontrack-' + x + '.jpg')
}
if (x<100)
iter();
})
}
iter();
})