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<!DOCTYPE HTML>
<!--
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<html>
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<title>Thalaiyasingam Ajanthan</title>
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<p>ML Scientist</p>
<p>Pluralis Research</p>
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<!-- <h2> <strong>Prologue</strong></h2>
<p>Ligula scelerisque justo sem accumsan diam quis<br />
vitae natoque dictum sollicitudin elementum.</p> -->
<h2 class="alt"><strong>Thalaiyasingam Ajanthan</strong></h2>
<h4><strong>Founding Scientist | Visiting Researcher</strong></h4>
<h4><strong>Pluralis Research | Australian National University</strong><br/>
<strong>Canberra, Australia</strong><br/>
</h4>
<!--</header>-->
</div>
</section>
<!-- About Me -->
<section id="about" class="two">
<div class="container">
<header>
<h2>About Me</h2>
</header>
<!--<a href="#" class="image featured"><img src="images/avatar.jpg" alt="" /></a>-->
<p>I am a Founding Scientist at <a href="https://pluralis.ai/">Pluralis Research</a>, where we are making large-scale decentralized training feasible and practical. Additionally, I hold a Visiting Researcher position at the
<a href="http://www.anu.edu.au/">Australian National University</a>.
Previously, I spent 4 years as a Senior Machine Learning Scientist at <a href="https://www.amazon.science/">Amazon Australia</a> working on cutting-edge machine learning applications. Before that, I was a Postdoctoral Research Fellow for 3.5 years, with 2 years at the <a href="https://www.roboticvision.org/">
Australian Centre for Robotic Vision (ANU)</a> and 1.5 years at the <a href="http://www.robots.ox.ac.uk/~tvg/">
Torr Vision Group (University of Oxford)</a>.
I obtained my PhD from the <a href="http://www.anu.edu.au/">
Australian National University</a> in May 2017, where I was primarily supervised by
<a href="http://users.cecs.anu.edu.au/~hartley/">Prof. Richard Hartley</a>.
<!--I obtained my Bachelor's degree in <a href="http://www.ent.mrt.ac.lk/web3/">
Electronic and Telecommunication Engineering</a> from the
<a href="http://www.mrt.ac.lk/web/">University of Moratuwa</a>, Sri Lanka.-->
My research spans Optimization and Machine Learning, with the current focus on robust and efficient decentralized training algorithms.
</p>
<!--<p>
Since January 2019 I'm a Research Fellow at the <a href="https://www.roboticvision.org/">
Australian Centre for Robotic Vision</a> at the <a href="http://www.anu.edu.au/">
Australian National University</a>. Previously from June 2017, I was a Postdoctoral
Research Fellow at the <a href="http://www.robots.ox.ac.uk/~tvg/">
Torr Vision Group</a> at the <a href="http://www.ox.ac.uk/">
University of Oxford</a>. I obtained my PhD from the <a href="http://www.anu.edu.au/">
Australian National University</a> in May 2017 and I was primarily supervised by
<a href="http://users.cecs.anu.edu.au/~hartley/">Prof. Richard Hartley</a>.
During my PhD, I was also a member of the
<a href="https://www.data61.csiro.au/en/Our-expertise/Expertise-Analytics">
Analytics group</a> at <a href="https://www.data61.csiro.au/">Data61, CSIRO</a>.
In addition to Prof. Richard Hartley, my collaborators include
<a href="http://www.robots.ox.ac.uk/~phst/">Prof. Philip Torr</a>,
<a href="http://users.cecs.anu.edu.au/~hongdong/">As. Prof. Hongdong Li</a>,
<a href="http://mpawankumar.info">As. Prof. Pawan Kumar</a>,
<a href="https://people.epfl.ch/119864">Dr. Mathieu Salzmann</a>, and
<a href="http://puneetkdokania.github.io/">Dr. Puneet Dokania</a>.
Prior to my PhD,
from February 2013 to March 2014, I was a Software Engineer at <a href="http://www.atrenta.com/">
Atrenta Inc</a> (now part of <a href="https://www.synopsys.com/">
Synopsys Inc</a>).
I obtained my Bachelor's degree in <a href="http://www.ent.mrt.ac.lk/web3/">
Electronic and Telecommunication Engineering</a> from the
<a href="http://www.mrt.ac.lk/web/">University of Moratuwa</a>, Sri Lanka.
I am broadly interested in optimization and machine learning, and the specific topics I currently work on are listed <a href="#research">below</a>.
</p>-->
<!--<header>
<h2>Research Interests</h2>
</header>
<p>Graphical Models, Optimization Algorithms and Machine Learning. Specific topics that I am currently interested in can be found <a href="#research">below</a>.</p>-->
<header>
<h2>Collaborators</h2>
</header>
<p><a href="http://users.cecs.anu.edu.au/~hartley/">Prof. Richard Hartley</a>,
<a href="http://www.robots.ox.ac.uk/~phst/">Prof. Philip Torr</a>,
<a href="https://cs.adelaide.edu.au/~hengel/">Prof. Anton van den Hengel</a>,
<a href="http://users.cecs.anu.edu.au/~sgould/">Prof. Stephen Gould</a>,
<!--<span class="dots">...</span>--><span class="more">
<a href="http://users.cecs.anu.edu.au/~hongdong/">Prof. Hongdong Li</a>,
<a href="http://www.maths.lth.se/sminchisescu/">Prof. Cristian Sminchisescu</a>,
<a href="http://mpawankumar.info">As. Prof. Pawan Kumar</a>,
<a href="https://people.epfl.ch/119864">Dr. Mathieu Salzmann</a>,
<a href="http://puneetkdokania.github.io/">Dr. Puneet Dokania</a>,
<a href="http://www.robots.ox.ac.uk/~nsid/">Dr. Siddharth Narayanaswamy</a>,
<a href="http://vibhavvineet.info/">Dr. Vibhav Vineet</a>,
<a href="https://markovkernel.net/">Dr. Parameswaran Kamalaruban</a>,
<!--<a href="http://www.miksik.co.uk/">Dr. Ondrej Miksik</a>,-->
<a href="https://ranzato.github.io/">Dr. Marc'Aurelio Ranzato</a>,
<!--<a href="http://rohrbach.vision/">Dr. Marcus Rohrbach</a>,
<a href="http://www.mohamed-elhoseiny.com/">Dr. Mohamed Elhoseiny</a>,-->
<a href="https://staff.fnwi.uva.nl/t.e.j.mensink/">Dr. Thomas Mensink</a>,
<a href="https://scholar.google.co.uk/citations?user=_cHRq1kAAAAJ&hl=en">Dr. Alban Desmaison</a>,
<a href="http://www.robots.ox.ac.uk/~rudy/">Dr. Rudy Bunel</a>.
<!--<a href="https://arslan-chaudhry.github.io/index.html">Mr. Arslan Chaudhry</a>,
<a href="http://www.robots.ox.ac.uk/~namhoon/">Mr. Namhoon Lee</a>,
<a href="http://www.robots.ox.ac.uk/~tomjoy/">Mr. Thomas Joy</a>,
<a href="https://scholar.google.com/citations?user=LqsiZNoAAAAJ&hl=en">Mr. Rodrigo de Bem</a>, and
<a href="http://arnabgho.github.io/">Mr. Arnab Ghosh</a>-->
</span>
<a class="read", style="color: darkorange;">>></a>
</p>
<div class="container" align="left">
<header>
<!--
<h3>PhD students I currently work with</h3>
</header>
<ul>
</ul>
<header>-->
<h3>PhD students I worked with</h3>
</header>
<ul>
<!--<li> <strong><a href="https://www.roboticvision.org/rv_person/luis-guerra/">Luis Guerra</a></strong> (at Monash, with <a href="https://research.monash.edu/en/persons/tom-drummond">Tom Drummond</a>, <strong>since Aug. 2019</strong>) <a href="nnq/index.html", style="color: olive;">#NNQ</a></li>-->
<li> <strong><a href="https://www.linkedin.com/in/evan-b-markou/?original_referer=https%3A%2F%2Fwww%2Elinkedin%2Ecom%2F&originalSubdomain=au">Evan Markou</a></strong> (with Stephen Gould, <strong>Apr. 2023 to Present</strong>) <a href="dlt/index.html", style="color: olive;">#DLT</a></li>
<li> <strong><a href="https://scholar.google.com/citations?user=MmzE22cAAAAJ&hl=en">Kartik Gupta</a></strong> (with Richard Hartley, <strong>Feb. 2019 to Sep. 2021</strong>, left to Seeing Machines) <a href="nnq/index.html", style="color: olive;">#NNQ</a>, <a href="spnn/index.html", style="color: olive;">#SPNN</a>, <a href="nnc/index.html", style="color: olive;">#NNC</a></li>
<li> <strong><a href="http://www.robots.ox.ac.uk/~namhoon/">Namhoon Lee</a></strong> (with Philip Torr, <strong>Feb. 2018 to Oct. 2020</strong>, left to UNIST, South Korea) <a href="nnp/index.html", style="color: olive;">#NNP</a>, <a href="spnn/index.html", style="color: olive;">#SPNN</a></li>
<!--<span class="dots">...</span>--><span class="more">
<li> <strong><a href="https://zwxu064.github.io/">Zhiwei Xu</a></strong> (with Richard Hartley, <strong>Jan. 2019 to May 2021</strong>, Postdoc at ANU) <a href="mrf/index.html", style="color: olive;">#MRF</a>, <a href="nnp/index.html", style="color: olive;">#NNP</a>, <a href="cv/index.html", style="color: olive;">#CV</a></li>
<li> <strong><a href="https://amir-rahimi.github.io/">Amir Rahimi</a></strong> (with Richard Hartley, <strong>Feb. 2019 to Nov. 2020</strong>, left to MIT) <a href="cv/index.html", style="color: olive;">#CV</a>, <a href="nnc/index.html", style="color: olive;">#NNC</a></li>
<li> <strong><a href="http://yaolubrain.github.io/">Yao Lu</a></strong> (with Stephen Gould and Richard Hartley, <strong>Aug. 2019 to Nov. 2020</strong>) <a href="dlt/index.html", style="color: olive;">#DLT</a>, <a href="spnn/index.html", style="color: olive;">#SPNN</a></li>
<li> <strong><a href="http://www.robots.ox.ac.uk/~tomjoy/">Thomas Joy</a></strong> (with Philip Torr, <strong>Jan. 2018 to Dec. 2018</strong>) <a href="mrf/index.html", style="color: olive;">#MRF</a>, <a href="meta/index.html", style="color: olive;">#META</a></li>
<li> <strong><a href="https://arslan-chaudhry.github.io/index.html">Arslan Chaudhry</a></strong> (with Puneet Dokania and Philip Torr, <strong>Aug. 2017 to Dec. 2018</strong>, left to DeepMind) <a href="il/index.html", style="color: olive;">#IL</a></li>
<li> <strong><a href="https://scholar.google.com/citations?user=LqsiZNoAAAAJ&hl=en">Rodrigo de Bem</a></strong> (with N. Siddharth and Philip Torr, <strong>Sep. 2017 to Dec. 2018</strong>, left to University of Rio Grande, Brazil) <a href="gm/index.html", style="color: olive;">#GM</a></li>
<li> <strong><a href="https://alessiotonioni.github.io/">Alessio Tonioni</a></strong> (visiting PhD with Philip Torr, <strong>May. 2018 to Nov. 2018</strong>, left to Google Zurich) <a href="meta/index.html", style="color: olive;">#META</a></li>
</span>
<a class="read", style="color: darkorange;">>></a>
</ul>
</div>
<header>
<h2>Reviewer</h2>
</header>
<!--<p>SIIMS, CVIU, CVPR: 2018-, ICCV: 2019-, ECCV: 2020-, IJCAI: 2018-, WACV: 2016/2017, and ICIP: 2016/2017.</p>-->
<p>SIIMS, PAMI, TMLR, CVIU, CVPR, ICCV, ECCV, NeurIPS, ICML, ICLR, AISTATS, AAAI, IJCAI, WACV, and ICIP.<br/>
<strong>Area Chair: </strong> BMVC 2022.<br/>
<strong>Outstanding Reviewer:</strong> ECCV 2020, ICLR 2021.</p>
<header>
<h2>Teaching</h2>
</header>
<!--<p>I taught the Computer Vision course (<a href="https://programsandcourses.anu.edu.au/2020/course/ENGN6528">ENGN6528</a>) in Semester-2, 2020 at ANU.</p>-->
<ul>
<li>Convener and Lecturer: <a href="https://programsandcourses.anu.edu.au/2020/course/ENGN6528">ENGN6528</a> - Computer Vision Masters Course, Semester 2, 2020, ANU.</li>
</ul>
</div>
</section>
<!-- Research -->
<section id="research" class="three">
<div class="container">
<header>
<!--<h2><a href="https://scholar.google.com.au/citations?user=Rza8c10AAAAJ&hl=en" class="aicon ai-google-scholar"><span class="label">Google Scholar</span></a> Research</h2>-->
<h2>Research</h2>
</header>
<p>My research mainly focuses on optimization algorithms for machine learning with computer vision applications. Below, I've categorized my recent research into various topics and the complete list of publications can be found <a href="publications/index.html">here</a>.</p>
<div class="row">
<div class="4u 12u$(mobile)">
<article class="item">
<a href="vl/index.html" class="image fit">
<!--<img src="images/mdnnq.png" alt=""/>-->
<img src="images/vl.png" alt=""/></a>
<header>
<h3><img src="images/new.gif" alt=""/> <strong><a href="vl/index.html">Vision and Language Alignment</a></strong></h3>
</header>
</article>
</div>
<div class="4u 12u$(mobile)">
<article class="item">
<a href="nnc/index.html" class="image fit">
<!--<img src="images/mdnnq.png" alt=""/>-->
<img src="images/nnc.png" alt=""/></a>
<header>
<h3><strong><a href="nnc/index.html">Neural Network Calibration</a></strong></h3>
</header>
</article>
</div>
<div class="4u 12u$(mobile)">
<article class="item">
<a href="dlt/index.html" class="image fit">
<!--<img src="images/mdnnq.png" alt=""/>-->
<img src="images/dlt.png" alt=""/></a>
<header>
<h3><img src="images/new.gif" alt=""/> <strong><a href="dlt/index.html">Deep Learning Theory</a></strong></h3>
</header>
</article>
</div>
<div class="4u 12u$(mobile)">
<article class="item">
<a href="nnp/index.html" class="image fit">
<!--<img src="images/disnip.png" alt=""/>-->
<img src="images/snip.png" alt=""/></a>
<header>
<h3><strong><a href="nnp/index.html">Neural Network Pruning</a></strong></h3>
</header>
</article>
</div>
<div class="4u 12u$(mobile)">
<article class="item">
<a href="spnn/index.html" class="image fit">
<img src="images/disnip.png" alt=""/></a>
<header>
<h3><strong><a href="spnn/index.html">Signal Propagation in Neural Networks</a></strong></h3>
</header>
</article>
</div>
<div class="4u 12u$(mobile)">
<article class="item">
<a href="nnq/index.html" class="image fit">
<!--<img src="images/mdnnq.png" alt=""/>-->
<img src="images/pmf.png" alt=""/></a>
<header>
<h3><strong><a href="nnq/index.html">Neural Network Quantization</a></strong></h3>
</header>
</article>
</div>
<div class="4u 12u$(mobile)">
<article class="item">
<a href="il/index.html" class="image fit">
<img src="images/rwalk.png" alt=""/></a>
<header>
<h3><strong><a href="il/index.html">Incremental Learning</a></strong></h3>
</header>
</article>
</div>
<div class="4u 12u$(mobile)">
<article class="item">
<a href="cv/index.html" class="image fit">
<img src="images/vobjseg.png" alt=""/></a>
<header>
<h3><img src="images/new.gif" alt=""/> <strong><a href="cv/index.html">Computer Vision Applications</a></strong></h3>
</header>
</article>
</div>
<div class="4u 12u$(mobile)">
<article class="item">
<a href="mrf/index.html" class="image fit">
<!--<img src="images/higherorder.png" alt=""/>
<img src="images/lpdensecrf.png" alt=""/>-->
<img src="images/thesis.png" alt=""/>
<!--<img src="images/memf.png" alt=""/>
<img src="images/irgc.png" alt=""/>-->
</a>
<header>
<h3><strong><a href="mrf/index.html">MRF Optimization</a></strong></h3>
</header>
</article>
</div>
<div class="4u 12u$(mobile)">
<article class="item">
<a href="meta/index.html" class="image fit">
<img src="images/l2a.png" alt=""/></a>
<header>
<h3><strong><a href="meta/index.html">Applications of Meta Learning</a></strong></h3>
</header>
</article>
</div>
<div class="4u 12u$(mobile)">
<article class="item">
<a href="gm/index.html" class="image fit">
<img src="images/dgpose.png" alt=""/></a>
<header>
<h3><strong><a href="gm/index.html">Applications of Generative Models</a></strong></h3>
</header>
</article>
</div>
</div>
</div>
</section>
<!-- Contact -->
<section id="contact" class="four">
<div class="container">
<header>
<h2>Contact</h2>
</header>
<p>
<!--<strong>Phone: </strong>02 6125 9768</br>
<strong>Office: </strong>Room 3.04, Building 115, North Road, Acton, ACT, 2601.-->
<strong>Email: </strong>ajaneng {at} gmail {dot} com</br>
</p>
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