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index2.html
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<!DOCTYPE html>
<html lang="fr-FR">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width" />
<title>Bénédicte Bucher homepage</title>
<script type="text/javascript">
WebFontConfig = {"google":{"families":["Ubuntu:r:latin,latin-ext","Ubuntu:r,i,b,bi:latin,latin-ext"]}};
(function() {
var wf = document.createElement('script');
wf.src = 'https://s0.wp.com/wp-content/plugins/custom-fonts/js/webfont.js';
wf.type = 'text/javascript';
wf.async = 'true';
var s = document.getElementsByTagName('script')[0];
s.parentNode.insertBefore(wf, s);
})();
</script><style id="jetpack-custom-fonts-css">.wf-active #site-title{font-family:"Ubuntu",sans-serif;font-style:normal;font-weight:400}.wf-active .entry-meta .entry-date, .wf-active body{font-family:"Ubuntu",sans-serif}.wf-active #access .menu, .wf-active #comments #comments-title, .wf-active #content nav, .wf-active #site-description, .wf-active .blog-footer, .wf-active .comment .comment-author, .wf-active .comment .comment-meta, .wf-active .content .page-title, .wf-active .entry-content label, .wf-active .entry-meta, .wf-active .entry-title, .wf-active .widget .widget-title{font-family:"Ubuntu",sans-serif;font-style:normal;font-weight:400}.wf-active .entry-content h1, .wf-active .entry-content h2, .wf-active .entry-content h3, .wf-active .entry-content h4, .wf-active .entry-content h5, .wf-active .entry-content h6{font-family:"Ubuntu",sans-serif;font-weight:400;font-style:normal}.wf-active #site-description{font-weight:400;font-style:normal}.wf-active #access .menu{font-weight:400;font-style:normal}.wf-active #access ul ul a{font-style:normal;font-weight:400}.wf-active .content .page-title{font-weight:400;font-style:normal}.wf-active .entry-title, .wf-active .entry-title a{font-weight:400;font-style:normal}.wf-active .entry-meta{font-style:normal;font-weight:400}.wf-active .entry-meta .entry-date b{font-weight:400;font-style:normal}.wf-active footer.entry-meta .comments-link a{font-style:normal;font-weight:400}.wf-active #content nav div a{font-style:normal;font-weight:400}.wf-active .format-link .entry-title a{font-style:normal;font-weight:400}.wf-active .format-link .entry-title:after{font-style:normal;font-weight:400}.wf-active .entry-content label{font-weight:400;font-style:normal}.wf-active #comments #comments-title{font-style:normal;font-weight:400}.wf-active #comments #comments-title em{font-style:normal;font-weight:400}.wf-active .comment .comment-author cite{font-style:normal;font-weight:400}.wf-active .comment .comment-meta{font-style:normal;font-weight:400}.wf-active .widget .widget-title{font-weight:400;font-style:normal}.wf-active .blog-footer{font-style:normal;font-weight:400}</style>
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wpcom_remote_login_remove_dom_node_classes( "wpcom_remote_login_msg" );
wpcom_remote_login_remove_dom_node_id( "wpcom_remote_login_key" );
wpcom_remote_login_remove_dom_node_id( "wpcom_remote_login_validate" );
wpcom_remote_login_remove_dom_node_id( "wpcom_remote_login_js" );
wpcom_remote_login_remove_dom_node_id( "wpcom_request_access_iframe" );
wpcom_remote_login_remove_dom_node_id( "wpcom_request_access_styles" );
}
// Watch for messages back from the remote login
window.addEventListener( "message", function( e ) {
if ( e.origin === "https://r-login.wordpress.com" ) {
var data = {};
try {
data = JSON.parse( e.data );
} catch( e ) {
wpcom_remote_login_final_cleanup();
return;
}
if ( data.msg === 'LOGIN' ) {
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wpcom_remote_login_remove_dom_node_id( "wpcom_remote_login_key" );
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+ '&host=' + window.location.protocol
+ '//' + window.location.hostname;
document.body.appendChild( script );
}
return;
}
// Safari ITP, not logged in, so redirect
if ( data.msg === 'LOGIN-REDIRECT' ) {
window.location = 'https://wordpress.com/log-in?redirect_to=' + window.location.href;
return;
}
// Safari ITP, storage access failed, remove the request
if ( data.msg === 'LOGIN-REMOVE' ) {
var css_zap = 'html { -webkit-transition: margin-top 1s; transition: margin-top 1s; } /* 9001 */ html { margin-top: 0 !important; } * html body { margin-top: 0 !important; } @media screen and ( max-width: 782px ) { html { margin-top: 0 !important; } * html body { margin-top: 0 !important; } }';
var style_zap = document.createElement( 'style' );
style_zap.type = 'text/css';
style_zap.appendChild( document.createTextNode( css_zap ) );
document.body.appendChild( style_zap );
var e = document.getElementById( 'wpcom_request_access_iframe' );
e.parentNode.removeChild( e );
document.cookie = 'wordpress_com_login_access=denied; path=/; max-age=31536000';
return;
}
// Safari ITP
if ( data.msg === 'REQUEST_ACCESS' ) {
console.log( 'request access: safari' );
// Check ITP iframe enable/disable knob
if ( wpcom_remote_login_extra_auth !== 'safari_itp_iframe' ) {
return;
}
// If we are in a "private window" there is no ITP.
var private_window = false;
try {
var opendb = window.openDatabase( null, null, null, null );
} catch( e ) {
private_window = true;
}
if ( private_window ) {
console.log( 'private window' );
return;
}
var iframe = document.createElement( 'iframe' );
iframe.id = 'wpcom_request_access_iframe';
iframe.setAttribute( 'scrolling', 'no' );
iframe.setAttribute( 'sandbox', 'allow-storage-access-by-user-activation allow-scripts allow-same-origin allow-top-navigation-by-user-activation' );
iframe.src = 'https://r-login.wordpress.com/remote-login.php?wpcom_remote_login=request_access&origin=' + encodeURIComponent( data.origin ) + '&wpcomid=' + encodeURIComponent( data.wpcomid );
var css = 'html { -webkit-transition: margin-top 1s; transition: margin-top 1s; } /* 9001 */ html { margin-top: 46px !important; } * html body { margin-top: 46px !important; } @media screen and ( max-width: 660px ) { html { margin-top: 71px !important; } * html body { margin-top: 71px !important; } #wpcom_request_access_iframe { display: block; height: 71px !important; } } #wpcom_request_access_iframe { border: 0px; height: 46px; position: fixed; top: 0; left: 0; width: 100%; min-width: 100%; z-index: 99999; background: #23282d; } ';
var style = document.createElement( 'style' );
style.type = 'text/css';
style.id = 'wpcom_request_access_styles';
style.appendChild( document.createTextNode( css ) );
document.body.appendChild( style );
document.body.appendChild( iframe );
}
if ( data.msg === 'DONE' ) {
wpcom_remote_login_final_cleanup();
}
}
}, false );
// Inject the remote login iframe after the page has had a chance to load
// more critical resources
window.addEventListener( "DOMContentLoaded", function( e ) {
var iframe = document.createElement( "iframe" );
iframe.style.display = "none";
iframe.setAttribute( "scrolling", "no" );
iframe.setAttribute( "id", "wpcom_remote_login_key" );
iframe.src = "https://r-login.wordpress.com/remote-login.php"
+ "?wpcom_remote_login=key"
+ "&origin=aHR0cHM6Ly9sb2ljbGFuZHJpZXUuY29t"
+ "&wpcomid=125728898"
+ "&time=1581414808";
document.body.appendChild( iframe );
}, false );
</script>
<link rel='dns-prefetch' href='//s0.wp.com' />
<link rel='dns-prefetch' href='//wordpress.com' />
<link rel='dns-prefetch' href='//fonts.googleapis.com' />
<script type="text/javascript">
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if (typeof window.onload != 'function') {
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}
/* ]]> */
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<style id='wp-block-library-inline-css'>
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</style>
<script type='text/javascript' src='https://s0.wp.com/_static/??-eJyFztEKwjAMBdAfsisyOnwRv6XWOFKXtDbphn69HeiDMBQC9+EeuLFLNshhqhcQG9vdK5THO7ooO/sLGMKxeIWOkD84JFZgXW1OogQifoSNltIZJzBVoDTA2mauacN9v4Q8Iyx/WQTNPtxMAcHnun6i4965Q++GwfXxBTkPW9k='></script>
<link rel="EditURI" type="application/rsd+xml" title="RSD" href="https://loiclandrieu.wordpress.com/xmlrpc.php?rsd" />
<link rel="wlwmanifest" type="application/wlwmanifest+xml" href="https://s0.wp.com/wp-includes/wlwmanifest.xml" />
<meta name="generator" content="WordPress.com" />
<link rel="canonical" href="https://loiclandrieu.com/" />
<link rel='shortlink' href='https://wp.me/P8vxPs-A' />
<link rel="alternate" type="application/json+oembed" href="https://public-api.wordpress.com/oembed/?format=json&url=https%3A%2F%2Floiclandrieu.com%2F&for=wpcom-auto-discovery" /><link rel="alternate" type="application/xml+oembed" href="https://public-api.wordpress.com/oembed/?format=xml&url=https%3A%2F%2Floiclandrieu.com%2F&for=wpcom-auto-discovery" />
<!-- Jetpack Open Graph Tags -->
<meta property="og:type" content="website" />
<meta property="og:title" content="Benedicte Bucher" />
<meta property="og:description" content="Benedicte Bucher homepage" />
<meta property="og:image:width" content="200" />
<meta property="og:image:height" content="200" />
<meta property="og:locale" content="fr_FR" />
<meta name="twitter:site" content="@wordpressdotcom" />
<meta name="twitter:text:title" content="Home" />
<meta name="twitter:image" content="https://loiclandrieu.files.wordpress.com/2017/04/cropped-ll.jpg?w=240" />
<meta name="twitter:card" content="summary" />
<meta property="article:publisher" content="https://www.facebook.com/WordPresscom" />
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</head>
<body class="home page-template-default page page-id-36 custom-background customizer-styles-applied color-default one-column highlander-enabled highlander-light">
<div id="page" class="hfeed">
<header class="blog-header" role="banner">
<div class="site-branding">
<h1 id="site-title"><a href="https://loiclandrieu.com/" title="Loic Landrieu" rel="home">Loic Landrieu</a></h1>
<h2 id="site-description">Structured machine learning for remote sensing applications</h2>
</div>
</header>
<nav id="access" role="navigation">
<form method="get" id="searchform" action="https://loiclandrieu.com/">
<input type="text" class="field" name="s" id="s" placeholder="Recherche" />
<label for="s" class="assistive-text">Recherche</label>
<input type="submit" class="submit" name="submit" id="searchsubmit" value="Recherche" />
</form> <div class="menu-menu-2-container"><ul id="menu-menu-2" class="menu"><li id="menu-item-66" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-home current-menu-item page_item page-item-36 current_page_item menu-item-66"><a href="https://loiclandrieu.com/" aria-current="page">Home</a></li>
<li id="menu-item-67" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-67"><a href="https://loiclandrieu.com/bio/">Bio</a></li>
<li id="menu-item-68" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-68"><a href="https://loiclandrieu.com/code/">Code</a></li>
<li id="menu-item-69" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-69"><a href="https://loiclandrieu.com/contact/">Contact</a></li>
<li id="menu-item-70" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-70"><a href="https://loiclandrieu.com/publications-2/">Publications</a></li>
<li id="menu-item-143" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-143"><a href="https://loiclandrieu.com/teaching/">Teaching</a></li>
</ul></div> </nav>
<div id="main">
<div id="primary">
<div class="content" id="content" role="main">
<article id="post-36" class="post-36 page type-page status-publish hentry">
<header class="entry-header">
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<p>Hi! I am a researcher at <a href="http://www.ign.fr/" target="_blank" rel="noopener noreferrer">IGN</a>, the French National Geographical Institute, in the computer science department <a href="http://recherche.ign.fr/labos/matis/accueilMATIS.php" target="_blank" rel="noopener noreferrer">MATIS</a>. The focus of my research is to exploit the graph structure of spatial/temporal data to improve the precision and speed of learning methods.</p>
<p>During my PhD I studied learning and optimization structured by large graphs (total variation, graphical models, etc). I now work on remote sensing application such as semantic semantization of 3D point clouds, satellite hyperspectral imagery, and surface reconstruction. I have also developed an interest for structured deep models, such as graph convolutions, recurrent neural network, and attention-based encoders.</p>
<p>See my <a href="https://loiclandrieu.files.wordpress.com/2020/01/cv_academic1.pdf">academic_CV</a> for details (updated in Jan 2020).</p>
<p><strong>UPCOMING PRESENTATIONS:</strong><br>– June 2020: Tutorial on Deep Learning for Remote Sensing at ISPRS2020, Nice<br>– Mars 2020: Tutorial on Deep Learning for Remote Sensing at EduServ-EuroSDR, Champs-Sur-Marne<br>– Februray 2019: Talk at QuantCube Technology: Recent Advances in Large-Scale Learning for Remote Sensing Applications</p>
<p><strong>RECENT TALKS: (contact me if you want the presentations)</strong></p>
<p>– December 2019: Introduction to Machine Learning and Deep Learning at NIBIO, Norway.<br>– Decembre 2019: Keynote Speech on Deep Learning for 3D Point Cloud Segmentation at <strong>EuroSDR Workshop on Point Cloud Processing </strong>(JNRR), Stuttgart<br>– November 2019: Talk at Valeo Labs: Deep Learning for 3D Point Clouds<br>– October 2019: Keynote Speech on Deep Learning for 3D Point Cloud Segmentation at <strong>Journées Nationales de la Recherche en Robotique </strong>(JNRR), Vittel<br>– June 2019: <strong>CVPR, </strong>Point Cloud Oversegmentation with Graph-Structured Deep Metric Learning<br>– June 2019: ISPRS Geospatial week, <strong>University of Twente</strong>, Netherlands, Tutorial on Deep Learning for Point Cloud Semantic Segmentation<br>– June 2019: <strong>EduServ</strong> remote course on Deep Learning for Remote Sensing<br>– May 2019: <strong>Facebook AI Research</strong>, Exploiting Graph Sparsity<br>– May 2019: <strong>Université de Montpelier</strong>, Cut Pursuit for Optimizing with Graph-Structured Regularization<br>– April 2019, Champs-sur-Marne, Co-organiser of the 28th Conference on <strong>IGN Research</strong> <br>– 2 Avril 2019, <strong>Univ. Paris-Est</strong>, Structured Deep Learning for 3D Point Cloud Semantic Segmentation<br><strong>– </strong>March 2019<strong>, </strong>Champs-sur-Marne<strong>, </strong>Deep Metric Learning on 3D Point Clouds<br>– March 2019, Barcelona, Spain, <strong>EduServ</strong>, Deep Learning for Remote Sensing<br>– February 2019: Kigali, Rwanda, Teaching assistant at <strong>African Master of Machine Intelligence</strong>, Graphical Models with Guillaume Obozinski<br>– December 2018:<strong> University of Erlangen</strong>, Germany, Deep Metric Learning on Point Clouds<br>– August 2018: <strong><a href="http://optimization-image-analysis.compute.dtu.dk/">Optimization in Image Analysis</a></strong> Summer School, Copenhagen<br>– July 2018: <a href="https://icml.cc/"><strong>ICML2018</strong></a>, Stockholm: Cut-pursuit algorithm for Regularizing Non smooth Functionals with Graph Total Variation<br>– June 2018<strong> : <a href="https://rfiap2018.ign.fr/">RFIAP2018</a>, </strong>ENSG<strong>: </strong><em>Large-scale Point Cloud Semantic Segmentation with Superpoint Graphs</em><br><em> – June 2018</em>:<em> <a href="http://cvpr2018.thecvf.com/"><strong>CVPR2018</strong>,</a> Salt Lake City : Large-scale Point Cloud Semantic Segmentation with Superpoint Graphs (Poster)</em><br><em> – </em>June 2018<em> : <a href="https://www.siam-is18.dm.unibo.it/"><strong>SIAM</strong> symposium in Bologne</a>, <a href="https://www.siam-is18.dm.unibo.it/minisymposia/27">Graph Techniques for Image Processing</a><br></em>– June 2018 : <strong><a href="https://www.uni-muenster.de/NoMADS/events/POLIMI2018/index.shtml">NoMADS</a></strong>, Politecnico di Milano, <em>Nonlocal Methods for Imaging</em><br><strong>– </strong>May 2018<strong> : <a href="https://www.osgeo.asso.fr/foss4gfr-2018/">FOSS-4G</a>, ENSG: </strong>presentation of the SuperPointGraph repository<em><br></em></p>
<p><strong>NEW:</strong> the new version of cut pursuit can now handle nonsmooth terms, and is considerably optimized (speed x1000 compared to state-of-the art for EEG inverse problems). The <a href="https://arxiv.org/abs/1802.04383">preprint</a> is ready, the <a href="https://github.com/1a7r0ch3/CP_PFDR_graph_d1">code</a> as well!</p>
<p><strong>NEW: </strong>our new framework superpoint graph, with <a href="https://www.linkedin.com/in/martin-simonovsky-5865b4128/">Martin Simonovsky,</a> is first in the Semantic3D challenge by <a href="http://semantic3d.net/view_results.php?chl=2">11.8</a> and <a href="http://semantic3d.net/view_results.php?chl=1">8.8</a> mIoU points. We also lead the <a href="http://buildingparser.stanford.edu/dataset.html">S3DIS</a> challenge by 12.4 mIoU points. Check out the code <a href="https://github.com/loicland/superpoint_graph">here.</a></p>
<span class="embed-youtube" style="text-align:center; display: block;"><iframe class='youtube-player' type='text/html' width='560' height='315' src='https://www.youtube.com/embed/Ijr3kGSU_tU?version=3&rel=1&fs=1&autohide=2&showsearch=0&showinfo=1&iv_load_policy=1&wmode=transparent&vq=hd1080' allowfullscreen='true' style='border:0;'></iframe></span>
<p><strong>STUDENTS:</strong><br>I currently co-advise 4 PhD students:<br>Stéphane Guinard<br>Mohamed Boussaha<br>Vivien Sainte Fare Garnot <br>Raphael Sulzer</p>
<p>I teach machine learning at master <a href="http://www.ensg.eu/Mastere-Specialise-R-Decision-et-Systemes-d-Information-Geolocalisee-DeSIgeo" target="_blank" rel="nofollow noopener noreferrer">DesiGéo</a> and master <a href="http://www.ensg.eu/Mastere-Specialise-R-en-Photogrammetrie-Positionnement-et-Mesure-de-Deformations-PPMD" target="_blank" rel="noopener noreferrer">PPMD</a> at <a href="http://www.ensg.eu/" target="_blank" rel="noopener noreferrer">ENSG</a> as a teaching assistant, and in the machine learning course et ENCP.</p>
<p>I review for ICML, NIPS, ICCV, Mathematical Reviews, IJDSA, ANR, ISPRS among many others.</p>
<div class="wp-block-file"><a href="https://loiclandrieu.files.wordpress.com/2019/10/phd_proposal_ready3d.pdf" class="wp-block-file__button" download>Télécharger</a></div>
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