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about.html
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>ActivityNet</title>
<!-- core CSS -->
<link href="css/bootstrap.min.css" rel="stylesheet">
<link href="css/font-awesome.min.css" rel="stylesheet">
<link href="css/animate.min.css" rel="stylesheet">
<link href="css/owl.carousel.css" rel="stylesheet">
<link href="css/owl.transitions.css" rel="stylesheet">
<link href="css/prettyPhoto.css" rel="stylesheet">
<link href="css/main.css" rel="stylesheet">
<link href="css/responsive.css" rel="stylesheet">
<link href='http://fonts.googleapis.com/css?family=Roboto+Condensed:400,300,700' rel='stylesheet' type='text/css'>
<link href='http://fonts.googleapis.com/css?family=Droid+Sans+Mono' rel='stylesheet' type='text/css'>
<!--[if lt IE 9]>
<script src="js/html5shiv.js"></script>
<script src="js/respond.min.js"></script>
<![endif]-->
<link rel="shortcut icon" href="images/favicon.png">
</head>
<body>
<header id="header">
<nav id="main-menu" class="navbar navbar-default navbar-fixed-top" role="banner">
<div class="container">
<div class="navbar-header">
<button type="button" class="navbar-toggle" data-toggle="collapse" data-target=".navbar-collapse"> <span class="sr-only">Toggle</span> <span class="icon-bar"></span> <span class="icon-bar"></span> <span class="icon-bar"></span> </button>
<a class="navbar-brand" href="index.html"><img src="images/activity-logo.png" alt="logo"></a> </div>
<div class="collapse navbar-collapse navbar-right">
<ul class="nav navbar-nav">
<li class="scroll"><a href="index.html">Home</a></li>
<li class="scroll"><a href="explore.html">Explore</a></li>
<li class="scroll"><a href="download.html">Download</a></li>
<li class="dropdown">
<a href="#" class="dropdown-toggle" data-toggle="dropdown" role="button" aria-haspopup="true" aria-expanded="false">Challenge</a>
<ul class="dropdown-menu">
<li class="scroll"><a href="challenges/2022/index.html" target="_blank">CVPR 2022</a></li>
<li class="scroll"><a href="challenges/2021/index.html" target="_blank">CVPR 2021</a></li>
<li class="scroll"><a href="challenges/2020/index.html" target="_blank">CVPR 2020</a></li>
<li class="scroll"><a href="challenges/2019/index.html" target="_blank">CVPR 2019</a></li>
<li class="scroll"><a href="challenges/2018/index.html" target="_blank">CVPR 2018</a></li>
<li class="scroll"><a href="challenges/2017/index.html" target="_blank">CVPR 2017</a></li>
<li class="scroll"><a href="challenges/2016/index.html" target="_blank">CVPR 2016</a></li>
</ul>
</li>
<li class="scroll"><a href="people.html">People</a></li>
<li class="scroll active"><a href="about.html">About</a></li>
</ul>
</div>
</div>
<!--/.container-->
</nav>
<!--/nav-->
</header>
<!-- ABOUT -->
<section id="about">
<div class="container tools-container">
<div class="features">
<div class="col-sm-12 wow fadeInUp animated" data-wow-duration="300ms" data-wow-delay="0ms">
<h2 class="section-title text-left">Papers</h2>
<div class="media service-box">
<div class="media-body">
<h4 class="media-heading">ActivityNet: A Large-Scale Video Benchmark for Human Activity Understanding</h4>
<p>Fabian Caba Heilbron, Victor Escorcia, Bernard Ghanem and Juan Carlos Niebles. In CVPR, 2015.</p>
<a class="btn btn-default btn-primary btn-sm" target="_blank" href="http://www.cv-foundation.org/openaccess/content_cvpr_2015/html/Heilbron_ActivityNet_A_Large-Scale_2015_CVPR_paper.html">PDF</a> <a class="btn btn-default btn-primary btn-sm" href="tex/activity-net.tex">BibTex</a> </div>
</div>
<div class="media service-box">
<div class="media-body">
<h4 class="media-heading">Collecting and Annotating Human Activities in Web Videos.</h4>
<p>Fabian Caba Heilbron and Juan Carlos Niebles. In ICMR, 2014.</p>
<a class="btn btn-default btn-primary btn-sm" target="_blank" href="http://yamdrok.stanford.edu/crowd/icmr.pdf">PDF</a> <a class="btn btn-default btn-primary btn-sm" href="tex/icmr.tex">BibTex</a> </div>
</div>
</div>
<div class="col-sm-12 wow fadeInUp animated">
<h2 class="section-title text-left">What is ActivityNet?</h2>
<p class="text-left">
ActivityNet is a new large-scale video benchmark for human activity understanding. ActivityNet aims at covering a wide range of complex human activities that are of interest to people in their daily living. In its current version, ActivityNet provides samples from 203 activity classes with an average of 137 untrimmed videos per class and 1.41 activity instances per video, for a total of 849 video hours.</p>
</div>
<div id="made" class="col-sm-12 wow fadeInUp animated">
<h2 class="section-title text-left">How was ActivityNet made?</h2>
<p class="text-left">
We heavily rely on the crowd and specifically, Amazon Mechanical Turk, to help acquire and annotate ActivityNet. Our acquisition pipeline has three main steps: Collection, Filtering, and Temporal Localization.</p>
<a href="http://yamdrok.stanford.edu/crowd/icmr.pdf" _target="blank"><img width="92%" class="img-responsive center-block wow fadeInUp animated" src="images/flow.png" /></a>
<ul>
<li>Collecting candidate videos:</li>
We search candidate videos in the web for each ActivityNet category (including expanded queries)
<li>Filtering candidate videos:</li>
Retrieved videos are verified by Amazon Mechanical Turk workers and clean out those videos which are not related with any intended activity.
<li>Temporal localization:</li>
Temporal localization provides starting and ending times in which the activity is performed (multiple Amazon Mechanical Turk workers annotate a single video)
</ul>
<p class="text-left"> See our ICMR 2014 paper for detailed information. Fabian Caba Heilbron and Juan Carlos Niebles. <a target="_blank" href="http://yamdrok.stanford.edu/crowd/icmr.pdf">Collecting and Annotating Human Activities in Web Videos. </a>In ICMR, 2014.</p>
</div>
</div><!--/.features-->
<!--/.row-->
</div><!--/.container-->
</section><!--/#about-->
<!-- FACTS -->
<!--<footer id="footer">
<div class="container">
<p class="text-center">@ Activity-Net</p>
</div>
</footer>-->
<!-- SCRIPT -->
<script src="js/jquery.js"></script>
<script src="js/bootstrap.min.js"></script>
<script src="http://maps.google.com/maps/api/js?sensor=true"></script>
<script src="js/owl.carousel.min.js"></script>
<script src="js/mousescroll.js"></script>
<script src="js/smoothscroll.js"></script>
<script src="js/jquery.prettyPhoto.js"></script>
<script src="js/jquery.isotope.min.js"></script>
<script src="js/jquery.inview.min.js"></script>
<script src="js/wow.min.js"></script>
<script src="js/main.js"></script>
</body>
</html>