<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=Windows-1252">
<style type="text/css" style="display:none;"> P {margin-top:0;margin-bottom:0;} </style>
</head>
<body dir="ltr">
<div style="font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">
<span style="margin:0px;font-size:12pt;color:black;background-color:rgb(255, 255, 255)"><span style="margin:0px"><span style="margin:0px;font-variant-ligatures:no-common-ligatures;font-family:Calibri, Helvetica, sans-serif"><b>Call for Participation: </b></span></span><b style="font-size:11pt;font-family:Arial"><span style="margin:0px;font-size:12pt;font-family:Calibri, Helvetica, sans-serif">CVPR’21</span><span style="margin:0px;font-size:12pt;font-family:Calibri, Helvetica, sans-serif"> </span></b><span style="margin:0px;font-weight:bold;font-family:Calibri, Helvetica, sans-serif"><b>ActivityNet
Challenge Guest Task: </b></span><span style="margin:0px;font-weight:bold;font-size:11pt;font-family:Arial"><b><span style="margin:0px;font-size:12pt;font-family:Calibri, Helvetica, sans-serif"><span data-markjs="true" class="markf0fnonxkt" data-ogac="" data-ogab="" data-ogsc="" data-ogsb="" style="margin:0px">ActEV</span><span> </span>SDL
Unknown Facility (UF) Challenge</span></b></span></span>
<div style="margin:0px;font-size:15px;font-family:"Segoe UI", "Segoe UI Web (West European)", "Segoe UI", -apple-system, system-ui, Roboto, "Helvetica Neue", sans-serif;color:rgb(32, 31, 30);background-color:rgb(255, 255, 255)">
<div dir="ltr" style="margin:0px">
<div style="margin:0px">
<div dir="ltr" style="margin:0px">
<div style="margin:0px;font-size:12pt;font-family:Calibri, Arial, Helvetica, sans-serif;color:black">
<div style="margin:0px;font-size:15px;color:rgb(32, 31, 30);background-color:white">
<div dir="ltr" style="margin:0px">
<div style="margin:0px">
<div dir="ltr" style="margin:0px">
<div dir="ltr" style="margin:0px">
<div style="margin:0px;color:black"><br>
<p dir="ltr" style="font-size:12pt;font-weight:bold;background-color:white;margin-top:0px;margin-bottom:0px;line-height:1.38">
<span style="margin: 0px; font-weight: 400; line-height: normal; font-family: Calibri, Helvetica, sans-serif; font-size: 12pt;">The</span><span style="margin:0px;font-weight:400;line-height:normal;font-family:Calibri, Helvetica, sans-serif"><span style="font-size: 12pt; font-family: Calibri, Helvetica, sans-serif;"> </span><span data-markjs="true" class="markf0fnonxkt" data-ogac="" data-ogab="" data-ogsc="" data-ogsb="" style="margin: 0px; font-size: 12pt; font-family: Calibri, Helvetica, sans-serif;">ActEV</span><span style="font-size: 12pt; font-family: Calibri, Helvetica, sans-serif;"> </span></span><span style="margin: 0px; font-weight: 400; line-height: normal; font-family: Calibri, Helvetica, sans-serif; font-size: 12pt;">SDL
Unknown Facility (UF) challenge is a guest task under the CVPR’21</span><span style="margin:0px;font-weight:400;font-size:11pt;font-family:Arial"><span style="margin:0px;font-size:12pt;line-height:normal;font-family:Calibri, Helvetica, sans-serif"> </span><span style="margin:0px;font-size:12pt;line-height:normal;font-family:Calibri, Helvetica, sans-serif">ActivityNet</span><span style="margin:0px;font-size:12pt;line-height:normal;font-family:Calibri, Helvetica, sans-serif"> </span></span><span style="color: black; font-weight: 400; font-size: 11pt; font-family: Arial;"><span style="font-size: 12pt; line-height: normal; font-family: Calibri, Helvetica, sans-serif;">Challenge</span></span><span style="font-size: 12pt; color: black; font-weight: 400; line-height: normal; font-family: Calibri, Helvetica, sans-serif;"> </span><span style="font-size: 12pt; color: black; font-weight: 400; line-height: normal; font-family: Calibri, Helvetica, sans-serif;">(</span><span style="color: black; font-weight: 400; font-size: 11pt; font-family: Arial;"><a href="http://activity-net.org/challenges/2021/" target="_blank" rel="noopener noreferrer" data-auth="NotApplicable"><span style="font-size: 12pt; line-height: normal; font-family: Calibri, Helvetica, sans-serif;">http://activity-net.org/challenges/2021/</span></a></span><span style="font-size: 12pt; color: black; font-weight: 400; line-height: normal; font-family: Calibri, Helvetica, sans-serif;">).
The challenge participants are invited to submit their runnable activity detection system for Known Activities using an </span><span style="font-size: 12pt; color: black; font-weight: 400; line-height: normal; font-family: Calibri, Helvetica, sans-serif;"><span data-markjs="true" class="markf0fnonxkt" data-ogac="" data-ogab="" data-ogsc="" data-ogsb="" style="font-size: 12pt; font-family: Calibri, Helvetica, sans-serif;">ActEV</span></span><span style="font-size: 12pt; color: black; font-weight: 400; line-height: normal; font-family: Calibri, Helvetica, sans-serif;"> Command
Line Interface (CLI) submission on the Unknown Facility EO video dataset. Based on the UF CLI submission deadline of May 07, 2021, we will invite the top two teams to give oral presentations at the CVPR’21</span><span style="color: black; font-weight: 400; font-size: 11pt; font-family: Arial;"><span style="font-size: 12pt; line-height: normal; font-family: Calibri, Helvetica, sans-serif;"> </span><span style="font-size: 12pt; line-height: normal; font-family: Calibri, Helvetica, sans-serif;">ActivityNet</span><span style="font-size: 12pt; line-height: normal; font-family: Calibri, Helvetica, sans-serif;"> </span></span><span style="font-size: 12pt; color: black; font-weight: 400; line-height: normal; font-family: Calibri, Helvetica, sans-serif;">workshop. </span></p>
<p dir="ltr" style="font-size:12pt;font-weight:bold;background-color:white;margin-top:0px;margin-bottom:0px;line-height:1.38">
<span style="margin:0px;font-weight:400;font-size:11pt;font-family:Arial"><br>
</span></p>
<p dir="ltr" style="font-size:12pt;font-weight:bold;background-color:white;margin-top:0px;margin-bottom:0px;line-height:1.38">
<span style="margin:0px;font-weight:400;line-height:normal;font-family:Calibri, Helvetica, sans-serif"><span data-markjs="true" class="markf0fnonxkt" data-ogac="" data-ogab="" data-ogsc="" data-ogsb="" style="margin: 0px; font-size: 12pt; font-family: Calibri, Helvetica, sans-serif;">ActEV</span><span style="font-size: 12pt; font-family: Calibri, Helvetica, sans-serif;"> </span></span><span style="margin: 0px; font-weight: 400; line-height: normal; font-family: Calibri, Helvetica, sans-serif; font-size: 12pt;">SDL
UF website: https://</span><span style="margin:0px;font-weight:400;line-height:normal;font-family:Calibri, Helvetica, sans-serif"><span data-markjs="true" class="markf0fnonxkt" data-ogac="" data-ogab="" data-ogsc="" data-ogsb="" style="margin: 0px; font-size: 12pt; font-family: Calibri, Helvetica, sans-serif;">actev</span></span><span style="margin: 0px; font-weight: 400; line-height: normal; font-family: Calibri, Helvetica, sans-serif; font-size: 12pt;">.nist.gov/sdl</span></p>
<div style="margin:0px"><span style="margin:0px;font-size:12pt;font-family:Calibri, Helvetica, sans-serif">CVPR’21 ActivityNet Challenge: http://activity-net.org/challenges/2021/</span></div>
<span style="margin:0px;font-size:12pt;font-family:Calibri, Helvetica, sans-serif">
<div style="margin:0px;color:black"><span style="margin:0px;font-size:12pt;font-family:Calibri, Helvetica, sans-serif"><br>
</span></div>
If you have any question about the SDL UF challenge, please email</span><span style="margin:0px;font-size:12pt;font-family:Calibri, Helvetica, sans-serif"><span style="font-size: 12pt; font-family: Calibri, Helvetica, sans-serif;"> </span><span data-markjs="true" class="markf0fnonxkt" data-ogac="" data-ogab="" data-ogsc="" data-ogsb="" style="margin: 0px; font-size: 12pt; font-family: Calibri, Helvetica, sans-serif;">actev</span></span><span style="margin:0px;font-size:12pt;font-family:Calibri, Helvetica, sans-serif">-nist@nist.gov</span><br>
<p style="margin-top:0px;margin-bottom:0px"></p>
<p dir="ltr" style="font-size:12pt;font-weight:bold;background-color:white;margin-top:0px;margin-bottom:0px;line-height:1.38">
<br>
</p>
<p dir="ltr" style="font-size:12pt;font-weight:bold;background-color:white;margin-top:0px;margin-bottom:0px;line-height:1.38">
<span style="margin:0px;font-weight:700;line-height:normal;font-family:Calibri, Helvetica, sans-serif">Who</span></p>
<p dir="ltr" style="font-size:12pt;font-weight:bold;background-color:white;margin-top:0px;margin-bottom:0px;line-height:1.38">
<span style="margin:0px;font-weight:700;line-height:normal;font-family:Calibri, Helvetica, sans-serif"><br>
</span></p>
<p dir="ltr" style="font-size:12pt;font-weight:bold;background-color:white;margin-top:0px;margin-bottom:0px;line-height:1.38">
<span style="margin: 0px; font-weight: 400; line-height: normal; font-family: Calibri, Helvetica, sans-serif; font-size: 12pt;">NIST invites all organizations, particularly universities and corporations, to submit their technologies to</span><span style="margin:0px;font-weight:400;line-height:normal;font-family:Calibri, Helvetica, sans-serif"><span style="font-size: 12pt; font-family: Calibri, Helvetica, sans-serif;"> </span><span data-markjs="true" class="markf0fnonxkt" data-ogac="" data-ogab="" data-ogsc="" data-ogsb="" style="margin: 0px; font-size: 12pt; font-family: Calibri, Helvetica, sans-serif;">ActEV</span><span style="font-size: 12pt; font-family: Calibri, Helvetica, sans-serif;"> </span></span><span style="margin: 0px; font-weight: 400; line-height: normal; font-family: Calibri, Helvetica, sans-serif; font-size: 12pt;">SDL
UF. The evaluation is open worldwide. Participation is free. NIST does not provide funds to participants.</span></p>
<br>
<p dir="ltr" style="font-size:12pt;font-weight:bold;background-color:white;margin-top:0px;margin-bottom:0px;line-height:1.38">
<span style="margin:0px;font-weight:700;line-height:normal;font-family:Calibri, Helvetica, sans-serif">Schedule</span></p>
<p dir="ltr" style="font-size:12pt;font-weight:bold;background-color:white;margin-top:0px;margin-bottom:0px;line-height:1.38">
</p>
<div style="margin:0px;font-size:12pt;background-color:white">
<ul>
<li><span style="margin:0px;font-family:Calibri, Helvetica, sans-serif">February 10, 2021:<span style="margin:0px"> </span></span><span style="margin:0px;font-size:11pt;font-family:Arial"><span style="margin:0px;font-size:12pt;font-family:Calibri, Helvetica, sans-serif;background-color:white">CVPR’21</span><span style="margin:0px;font-size:12pt;font-family:Calibri, Helvetica, sans-serif;background-color:white"> </span><span style="margin:0px;font-size:12pt;font-family:Calibri, Helvetica, sans-serif;background-color:white">ActivityNet </span></span><span style="margin:0px;font-family:Calibri, Helvetica, sans-serif"><span data-markjs="true" class="markf0fnonxkt" data-ogac="" data-ogab="" data-ogsc="" data-ogsb="" style="margin:0px">ActEV</span><span> </span>SDL
UF (with Known Activities) leaderboard opens</span></li><li>
<p dir="ltr" style="font-weight:bold;margin-top:0px;margin-bottom:0px;line-height:1.38">
<span style="margin:0px;font-weight:400;line-height:normal;font-family:Calibri, Helvetica, sans-serif">May 07, 2021: Deadline for UF CLI submissions to be included in CVPR’21</span><span style="margin:0px;font-weight:400;font-size:11pt;font-family:Arial"><span style="margin:0px;font-size:12pt;line-height:normal;font-family:Calibri, Helvetica, sans-serif"> </span><span style="margin:0px;font-size:12pt;line-height:normal;font-family:Calibri, Helvetica, sans-serif">ActivityNet</span><span style="margin:0px;font-size:12pt;line-height:normal;font-family:Calibri, Helvetica, sans-serif"> </span></span><span style="margin:0px;font-weight:400;line-height:normal;font-family:Calibri, Helvetica, sans-serif">workshop.</span></p>
</li><li>
<p dir="ltr" style="font-weight:bold;margin-top:0px;margin-bottom:0px;line-height:1.38">
<span style="margin:0px;font-weight:400;line-height:normal;font-family:Calibri, Helvetica, sans-serif">June 01, 2021: Top two teams on the<span> </span><span data-markjs="true" class="markf0fnonxkt" data-ogac="" data-ogab="" data-ogsc="" data-ogsb="" style="margin:0px">ActEV</span>'21
SDL UF (with Known Activities) leaderboard invited to give oral presentations at the CVPR’21</span><span style="margin:0px;font-weight:400;font-size:11pt;font-family:Arial"><span style="margin:0px;font-size:12pt;line-height:normal;font-family:Calibri, Helvetica, sans-serif"> </span><span style="margin:0px;font-size:12pt;line-height:normal;font-family:Calibri, Helvetica, sans-serif">ActivityNet</span><span style="margin:0px;font-size:12pt;line-height:normal;font-family:Calibri, Helvetica, sans-serif"> </span></span><span style="margin:0px;font-weight:400;line-height:normal;font-family:Calibri, Helvetica, sans-serif">workshop
based on the CLI submission deadline (May 07, 2021).</span></p>
</li><li>
<p dir="ltr" style="font-weight:bold;margin-top:0px;margin-bottom:0px;line-height:1.38">
<span style="margin:0px;font-weight:400;line-height:normal;font-family:Calibri, Helvetica, sans-serif">June 19, 2021: CVPR’21</span><span style="margin:0px;font-weight:400;font-size:11pt;font-family:Arial"><span style="margin:0px;font-size:12pt;line-height:normal;font-family:Calibri, Helvetica, sans-serif"> </span><span style="margin:0px;font-size:12pt;line-height:normal;font-family:Calibri, Helvetica, sans-serif">ActivityNet</span><span style="margin:0px;font-size:12pt;line-height:normal;font-family:Calibri, Helvetica, sans-serif"> </span></span><span style="margin:0px;font-weight:400;line-height:normal;font-family:Calibri, Helvetica, sans-serif">workshop</span></p>
</li></ul>
<p dir="ltr" style="margin-top:0px;margin-bottom:0px;line-height:1.38"><span style="margin:0px;line-height:normal;font-family:Calibri, Helvetica, sans-serif"><b>Dataset</b></span><span style="margin:0px;font-size:11pt;font-family:Arial"></span></p>
<div style="margin:0px"><br>
</div>
<div style="margin:0px"><span style="margin: 0px; font-family: Calibri, Helvetica, sans-serif; font-size: 12pt;">Training data is from the Multiview Extended Video with Activities (MEVA) dataset [mevadata.org]. The public MEVA dataset includes hundreds of hours
of data from the same cameras at the same facility, which can be used for training. If you register for</span><span style="margin:0px;font-family:Calibri, Helvetica, sans-serif"><span style="font-size: 12pt; font-family: Calibri, Helvetica, sans-serif;"> </span><span data-markjs="true" class="markf0fnonxkt" data-ogac="" data-ogab="" data-ogsc="" data-ogsb="" style="margin: 0px; font-size: 12pt; font-family: Calibri, Helvetica, sans-serif;">ActEV</span><span style="font-size: 12pt; font-family: Calibri, Helvetica, sans-serif;"> </span></span><span style="margin: 0px; font-family: Calibri, Helvetica, sans-serif; font-size: 12pt;">you
can download the MEVA dataset for free; info on how to download the data is on the data tab https://</span><span style="margin:0px;font-family:Calibri, Helvetica, sans-serif"><span data-markjs="true" class="markf0fnonxkt" data-ogac="" data-ogab="" data-ogsc="" data-ogsb="" style="margin: 0px; font-size: 12pt; font-family: Calibri, Helvetica, sans-serif;">actev</span></span><span style="margin: 0px; font-family: Calibri, Helvetica, sans-serif; font-size: 12pt;">.nist.gov/sdl#tab_data]. </span><span style="margin:0px;font-family:Calibri, Helvetica, sans-serif"><span style="margin: 0px; font-family: Calibri, Helvetica, sans-serif; color: rgb(51, 51, 51); text-align: left; background-color: white; font-size: 12pt;">Expanded
annotations are now</span><span style="margin:0px;font-family:Lato, "Helvetica Neue", Helvetica, Arial, sans-serif;color:rgb(51, 51, 51);text-align:left;background-color:white"><span style="margin: 0px; font-size: 12pt; font-family: Calibri, Helvetica, sans-serif;"> </span></span><a href="https://gitlab.kitware.com/meva/meva-data-repo/tree/master/annotation/DIVA-phase-2/MEVA/kitware-meva-training" target="_blank" rel="noopener noreferrer" data-auth="NotApplicable" style="margin:0px;border:0px none;font-family:Lato, "Helvetica Neue", Helvetica, Arial, sans-serif;color:rgb(51, 122, 183);text-align:left;box-sizing:border-box"><span style="font-size: 12pt; font-family: Calibri, Helvetica, sans-serif;">available</span></a><span style="margin:0px;font-family:Lato, "Helvetica Neue", Helvetica, Arial, sans-serif;color:rgb(51, 51, 51);text-align:left;background-color:white"><span style="margin: 0px; font-size: 12pt; font-family: Calibri, Helvetica, sans-serif;"> </span></span><span style="margin: 0px; font-family: Calibri, Helvetica, sans-serif; color: rgb(51, 51, 51); text-align: left; background-color: white; font-size: 12pt;">for
public</span><span style="margin:0px;font-family:Lato, "Helvetica Neue", Helvetica, Arial, sans-serif;color:rgb(51, 51, 51);text-align:left;background-color:white"><span style="margin: 0px; font-size: 12pt; font-family: Calibri, Helvetica, sans-serif;"> </span></span><a href="http://mevadata.org/" target="_blank" rel="noopener noreferrer" data-auth="NotApplicable" style="margin:0px;border:0px none;font-family:Lato, "Helvetica Neue", Helvetica, Arial, sans-serif;color:rgb(51, 122, 183);text-align:left;box-sizing:border-box"><span style="font-size: 12pt; font-family: Calibri, Helvetica, sans-serif;">MEVA</span></a><span style="margin:0px;font-family:Lato, "Helvetica Neue", Helvetica, Arial, sans-serif;color:rgb(51, 51, 51);text-align:left;background-color:white"><span style="margin: 0px; font-size: 12pt; font-family: Calibri, Helvetica, sans-serif;"> </span></span><span style="margin: 0px; font-family: Calibri, Helvetica, sans-serif; color: rgb(51, 51, 51); text-align: left; background-color: white; font-size: 12pt;">KF1
dataset.</span></span></div>
<div style="margin:0px"><br>
</div>
<span style="font-size: 12pt; font-family: Calibri, Helvetica, sans-serif;">Unknown Facility Sequestered Test dataset is a large collection of videos exclusively in the EO spectrum.</span></div>
<div style="margin:0px;font-size:12pt;background-color:white"><br>
</div>
<div style="margin:0px;font-size:12pt;background-color:white"><span style="font-size: 12pt; font-family: Calibri, Helvetica, sans-serif;">Please contact us if you need any more information or have any question.</span></div>
<div style="margin:0px;font-size:12pt;background-color:white"><br>
</div>
<div style="margin:0px;font-size:12pt;background-color:white"><span style="font-size: 12pt; font-family: Calibri, Helvetica, sans-serif;">Best wishes,</span></div>
<div style="margin:0px;font-size:12pt;background-color:white"><br>
</div>
<span style="margin: 0px; font-size: 12pt; background-color: white; font-family: Calibri, Helvetica, sans-serif;">-Afzal for</span><span style="margin:0px;font-size:12pt;background-color:white"><span style="font-size: 12pt; font-family: Calibri, Helvetica, sans-serif;"> </span><span data-markjs="true" class="markf0fnonxkt" data-ogac="" data-ogab="" data-ogsc="" data-ogsb="" style="margin: 0px; font-size: 12pt; font-family: Calibri, Helvetica, sans-serif;">actev</span></span><span style="margin: 0px; font-size: 12pt; background-color: white; font-family: Calibri, Helvetica, sans-serif;">-nist@nist.gov</span></div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
<br>
</div>
<div>
<div id="Signature">
<div>
<div id="divtagdefaultwrapper" dir="ltr" style="font-size:12pt; color:#000000; font-family:Calibri,Helvetica,sans-serif">
<div class="BodyFragment"><font size="2">
<div class="PlainText"><span style="font-size:10pt; font-family:"Calibri Light","Helvetica Light",sans-serif">Afzal Godil</span><br>
<span style="font-size:10pt; font-family:"Lucida Handwriting","Apple Chancery",cursive"><span style="font-family:"Calibri Light","Helvetica Light",sans-serif"></span><span style="font-family:"Calibri Light","Helvetica Light",sans-serif">Information Technology
Laboratory</span></span><br>
<span style="font-size:10pt; font-family:"Calibri Light","Helvetica Light",sans-serif">National Institute of Standards and Technology</span><br>
<span style="font-size:10pt; font-family:"Calibri Light","Helvetica Light",sans-serif">godil@nist.gov</span><br>
</div>
<div class="PlainText"><br>
</div>
</font></div>
</div>
</div>
</div>
</div>
</body>
</html>