tracking
Version:
A modern approach for Computer Vision on the web.
124 lines (103 loc) • 2.77 kB
HTML
<html>
<head>
<meta charset="utf-8">
<title>tracking.js - tag friends</title>
<link rel="stylesheet" href="assets/demo.css">
<script src="../build/tracking-min.js"></script>
<script src="../build/data/face-min.js"></script>
<style>
#photo:hover .rect {
opacity: .75;
transition: opacity .75s ease-out;
}
.rect:hover * {
opacity: 1;
}
.rect {
border-radius: 2px;
border: 3px solid white;
box-shadow: 0 16px 28px 0 rgba(0, 0, 0, 0.3);
cursor: pointer;
left: -1000px;
opacity: 0;
position: absolute;
top: -1000px;
}
.arrow {
border-bottom: 10px solid white;
border-left: 10px solid transparent;
border-right: 10px solid transparent;
height: 0;
width: 0;
position: absolute;
left: 50%;
margin-left: -5px;
bottom: -12px;
opacity: 0;
}
input {
border: 0px;
bottom: -42px;
color: #a64ceb;
font-size: 15px;
height: 30px;
left: 50%;
margin-left: -90px;
opacity: 0;
outline: none;
position: absolute;
text-align: center;
width: 180px;
transition: opacity .35s ease-out;
}
#img {
position: absolute;
top: 50%;
left: 50%;
margin: -173px 0 0 -300px;
}
</style>
</head>
<body>
<div class="demo-title">
<p><a href="http://trackingjs.com" target="_parent">tracking.js</a> － hover image to see all faces detected</p>
</div>
<div class="demo-frame">
<div class="demo-container">
<span id="photo"><img id="img" src="assets/faces.jpg" /></span>
</div>
</div>
<script>
window.onload = function() {
var img = document.getElementById('img');
var tracker = new tracking.ObjectTracker('face');
tracking.track(img, tracker);
tracker.on('track', function(event) {
event.data.forEach(function(rect) {
plotRectangle(rect.x, rect.y, rect.width, rect.height);
});
});
var friends = [ 'Thomas Middleditch', 'Martin Starr', 'Zach Woods' ];
var plotRectangle = function(x, y, w, h) {
var rect = document.createElement('div');
var arrow = document.createElement('div');
var input = document.createElement('input');
input.value = friends.pop();
rect.onclick = function name() {
input.select();
};
arrow.classList.add('arrow');
rect.classList.add('rect');
rect.appendChild(input);
rect.appendChild(arrow);
document.getElementById('photo').appendChild(rect);
rect.style.width = w + 'px';
rect.style.height = h + 'px';
rect.style.left = (img.offsetLeft + x) + 'px';
rect.style.top = (img.offsetTop + y) + 'px';
};
};
</script>
</body>
</html>