Dr. Jiju Poovvancheri<\/title>\n<\/head>\n<body>\n\n\n<link rel=\"preconnect\" href=\"https:\/\/fonts.googleapis.com\">\n<link rel=\"preconnect\" href=\"https:\/\/fonts.gstatic.com\" crossorigin>\n<link href=\"https:\/\/fonts.googleapis.com\/css2?family=IBM+Plex+Mono:wght@400;500&family=IBM+Plex+Sans:ital,wght@0,400;0,500;0,600;1,400&family=Space+Grotesk:wght@500;600;700&display=swap\" rel=\"stylesheet\">\n\n<style>\n\/* Scoped under .gsc-home \u2014 safe inside a WordPress Custom HTML block. *\/\n.gsc-home{\n --ink:#15202f; --body:#3d4a5c; --faint:#7b8798;\n --paper:#fafbfc; --card:#ffffff; --line:#e3e8ee;\n --link:#0f5f8f; --accent:#b0316e;\n --teal:#0e7c86; --violet:#5a4fcf; --rust:#b3561d;\n font-family:'IBM Plex Sans',-apple-system,'Segoe UI',sans-serif;\n color:var(--body); background:var(--paper); line-height:1.62; font-size:18px; margin:0;\n}\n.gsc-home *{box-sizing:border-box;margin:0;padding:0}\n.gsc-home h1,.gsc-home h2,.gsc-home h3,.gsc-home .title,.gsc-home 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class=\"portrait\" src=\"http:\/\/cs.smu.ca\/~jiju\/wp-content\/uploads\/2021\/01\/A04I9667.jpg\" alt=\"Dr. Jiju Poovvancheri\" loading=\"lazy\">\n <div>\n <h1>Dr. Jiju Poovvancheri<\/h1>\n <div class=\"title\">Associate Professor \u00b7 Mathematics & Computing Science<\/div>\n <div class=\"role2\">CS Program Coordinator (September 2026\u2013)<\/div>\n <p class=\"affil\">\n Saint Mary’s University, Halifax, Canada. Director of the\n <strong>Graphics & Spatial Computing Lab<\/strong>. Previously a postdoctoral\n researcher at the Graphics Lab, University of Victoria, and the Geospatial Intelligence Lab,\n University of Calgary; PhD from Indian Institute of Technology (IIT) Madras with\n <a href=\"https:\/\/ed.iitm.ac.in\/~raman\/\" target=\"_blank\" rel=\"noopener\">Prof. Ramanathan Muthuganapathy<\/a>,\n and a Master’s from National Institute of Technology (NIT) Surathkal, Karnataka.\n <\/p>\n <div class=\"cta\">\n <a class=\"solid\" href=\"https:\/\/cs.smu.ca\/~jiju\/index.php\/research\/\">Publications<\/a>\n <a href=\"https:\/\/cs.smu.ca\/~jiju\/index.php\/group-2\/\">The team<\/a>\n <a href=\"https:\/\/cs.smu.ca\/~jiju\/index.php\/software\/\">Software & data<\/a>\n <a class=\"eml\" role=\"button\" tabindex=\"0\" data-u=\"jiju.poovvancheri\" data-d=\"smu.ca\">Email \u2197<\/a>\n <\/div>\n <\/div>\n<\/div>\n\n\n<h2 id=\"research\">Research<\/h2>\n<div class=\"prose\">\n <p>\n My research lies at the intersection of <strong>3D computer vision, computer graphics, geometric\n learning, and spatial computing<\/strong>, with a focus on scalable, learning-based algorithms for\n understanding and modelling large-scale 3D environments. Motivated by challenges in\n <em>urban, environmental, and planetary sensing<\/em>, my work emphasizes a principled integration of\n <em>geometry, topology, and machine learning<\/em> for robust perception from 3D data.\n <\/p>\n <p>\n A central theme is the analysis of <strong>point clouds acquired from LiDAR and RGB-D sensors<\/strong>.\n Rather than treating 3D data as unstructured input, I design methods that leverage spatial data\n structures, geometric priors, and topological representations to improve the scalability,\n generalization, and interpretability of learning-based models. The broader goal is\n <em>next-generation 3D spatial intelligence<\/em> for digital twins, urban modelling and simulation,\n autonomous perception, and environmental monitoring \u2014 grounded in solid geometric and algorithmic\n foundations.\n <\/p>\n<\/div>\n\n<div class=\"themes\">\n <div class=\"theme\">\n <h3>Point cloud learning<\/h3>\n <p>Representation learning for large-scale LiDAR and RGB-D data.<\/p>\n <\/div>\n <div class=\"theme\">\n <h3>Semantic reconstruction<\/h3>\n <p>Surface reconstruction and scene understanding in complex urban environments.<\/p>\n <\/div>\n <div class=\"theme\">\n <h3>Spatial data structures<\/h3>\n <p>Hierarchical representations for efficient 3D computation.<\/p>\n <\/div>\n <div class=\"theme\">\n <h3>Topological deep learning<\/h3>\n <p>Topology-aware sampling, feature learning, and structural regularization.<\/p>\n <\/div>\n<\/div>\n\n\n<h2 id=\"join\">Join the lab<\/h2>\n<p class=\"sec-sub\">\n Funded positions are available at the PhD, MSc, and BSc levels for motivated students who want to work\n on hard problems in graphics, vision, and geometric learning. See the\n <a href=\"https:\/\/cs.smu.ca\/~jiju\/index.php\/group-2\/#open\" style=\"color:var(--accent);text-decoration:none;border-bottom:1px solid #e6b8cc\">open positions<\/a>\n on the team page, then email <a class=\"eml\" role=\"button\" tabindex=\"0\" data-u=\"jiju.poovvancheri\" data-d=\"smu.ca\" style=\"color:var(--link)\">Show email<\/a> with your CV and transcripts.\n<\/p>\n\n\n<h2 id=\"activities\">Professional activities<\/h2>\n\n<div class=\"split\">\n\n <div>\n <div class=\"listcard\">\n <h3>Editorial<\/h3>\n <ul>\n <li><b>Associate Editor<\/b>, IEEE Access <span class=\"yr\">2019\u2013<\/span><\/li>\n <li><b>Guest Editor<\/b>, <em>Remote Sensing<\/em> \u2014 3D Semantic Modeling of Urban Scenes from Point Clouds (I & II)<\/li>\n <li><b>Guest Editor<\/b>, <em>Remote Sensing<\/em> \u2014 Deep Learning based 3D Scene Understanding from LiDAR<\/li>\n <li><b>Guest Editor<\/b>, <em>Sensors<\/em> \u2014 LiDAR based Virtual City Creation<\/li>\n <\/ul>\n <h3>Committees & service<\/h3>\n <ul>\n <li>Program Committee \u2014 <b>NeurIPS 2026<\/b>, <b>CVPR 2026\/25<\/b>, <b>ICCV 2025<\/b>, <b>ECCV 2026\/24<\/b>, CRV, USM3D, ISVC<\/li>\n <li>Session Chair \u2014 <em>Urban: Computational Methods, SAR & Infrastructure<\/em> (posters), IEEE IGARSS 2026<\/li>\n <li>Session Chair \u2014 <em>3D Data Construction, Processing and Evaluation<\/em> (posters), IEEE IGARSS 2023<\/li>\n <li>NSERC CS Scholarship Committee <span class=\"yr\">2022\u201325<\/span><\/li>\n <li>Science Atlantic CS Committee <span class=\"yr\">2023\u20132025<\/span><\/li>\n <li>AARMS CRG Scientific Machine Learning <span class=\"yr\">2021\u2013<\/span><\/li>\n <li>IEEE GRSS Image Analysis & Data Fusion <span class=\"yr\">2023\u2013<\/span><\/li>\n <\/ul>\n <\/div>\n <\/div>\n\n <div>\n <div class=\"listcard\">\n <h3>Reviewer \u2014 journals<\/h3>\n <ul>\n <li>IEEE TPAMI \u00b7 IEEE TIP \u00b7 IEEE TGRS \u00b7 IEEE T-ITS<\/li>\n <li>Computer Vision & Image Understanding (CVIU)<\/li>\n <li>Image & Vision Computing (IVC)<\/li>\n <li>Computer Graphics Forum (CGF) \u00b7 Computers & Graphics<\/li>\n <\/ul>\n <h3>Reviewer \u2014 conferences<\/h3>\n <ul>\n <li>NeurIPS \u00b7 CVPR \u00b7 ICCV \u00b7 ECCV \u00b7 WACV \u00b7 BMVC<\/li>\n <li>CRV \u00b7 ISVC \u00b7 INDOOR3D \u00b7 SIBGRAPI \u00b7 ISPRS Congress<\/li>\n <\/ul>\n <h3>Funding agencies<\/h3>\n <ul>\n <li>NSERC Discovery Grant \u00b7 MITACS Accelerate<\/li>\n <\/ul>\n <\/div>\n <\/div>\n\n<\/div>\n\n<h3 style=\"font-family:'Space Grotesk',sans-serif;font-weight:600;font-size:1.02rem;color:var(--ink);margin:30px 0 4px\">Memberships<\/h3>\n<div class=\"pills\">\n <span>ACM SIGGRAPH<\/span>\n <span>ACM SIGSPATIAL<\/span>\n <span>ASIA Graphics<\/span>\n <span>Solid Modeling Association<\/span>\n <span>IEEE<\/span>\n <span>IEEE Computer Society<\/span>\n <span>IEEE Geoscience & Remote Sensing Society<\/span>\n<\/div>\n\n\n<h2 id=\"contact\">Contact<\/h2>\n<div class=\"contactgrid\">\n <div class=\"contactcard\">\n <b>Dr. Jiju Poovvancheri<\/b><br>\n Office: MN130, McNally North<br>\n Department of Mathematics & Computing Science<br>\n Saint Mary’s University<br>\n 923 Robie Street, Halifax, NS, Canada B3H 3C3<br>\n <a class=\"eml\" role=\"button\" tabindex=\"0\" data-u=\"jiju.poovvancheri\" data-d=\"smu.ca\">Show email<\/a><br>\n +1 902 420 5787\n <\/div>\n <div class=\"mapwrap\">\n <iframe src=\"https:\/\/www.google.com\/maps\/embed?pb=!1m18!1m12!1m3!1d1236.251918238263!2d-63.58287430000013!3d44.63157130633311!2m3!1f0!2f0!3f0!3m2!1i1024!2i768!4f13.1!3m3!1m2!1s0x4b5a223ee2305a45%3A0xe993bcb69f8e44d9!2sMcNally+North%2C+Saint+Mary's+University!5e0!3m2!1sen!2sca!4v1566058633582!5m2!1sen!2sca\" loading=\"lazy\" referrerpolicy=\"no-referrer-when-downgrade\" title=\"Map to McNally North, Saint Mary's University\"><\/iframe>\n <\/div>\n<\/div>\n\n\n<script>\n(function(){\n function reveal(a){\n if(a.getAttribute('data-shown')==='1') return;\n var addr=a.getAttribute('data-u')+String.fromCharCode(64)+a.getAttribute('data-d');\n a.textContent=addr;\n a.setAttribute('href','mail'+'to:'+addr);\n a.setAttribute('data-shown','1');\n }\n var links=document.querySelectorAll('.gsc-home a.eml');\n for(var i=0;i<links.length;i++){\n (function(a){\n a.style.cursor='pointer';\n a.addEventListener('click',function(e){ if(a.getAttribute('data-shown')!=='1'){e.preventDefault(); 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---------- *\/\n.gsc-home .contactgrid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:22px;align-items:start}\n.gsc-home .contactcard{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:24px;font-size:.98rem;line-height:1.9}\n.gsc-home .contactcard b{color:var(--ink)}\n.gsc-home .contactcard a{color:var(--link);text-decoration:none}\n.gsc-home .contactcard a:hover{text-decoration:underline}\n.gsc-home .mapwrap{border:1px solid var(--line);border-radius:12px;overflow:hidden;min-height:260px}\n.gsc-home .mapwrap iframe{display:block;width:100%;height:300px;border:0}\n\n\/* ---------- responsive ---------- *\/\n@media (max-width:760px){\n .gsc-home .hero{grid-template-columns:1fr;gap:22px}\n .gsc-home .hero > div{order:2}\n .gsc-home .portrait{order:1;width:200px!important;max-width:200px;justify-self:start}\n .gsc-home .news li{grid-template-columns:1fr;gap:2px}\n}\n@media (prefers-reduced-motion:reduce){.gsc-home .cta a{transition:none}}\n.gsc-home a.eml{cursor:pointer;border-bottom:1px dashed currentColor}\n.gsc-home a.eml:hover{border-bottom-style:solid}\n.gsc-home a:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px}\n<\/style>\n\n<div class=\"gsc-home\">\n<div class=\"wrap\">\n\n\n<div class=\"hero\">\n <img decoding=\"async\" class=\"portrait\" src=\"http:\/\/cs.smu.ca\/~jiju\/wp-content\/uploads\/2021\/01\/A04I9667.jpg\" alt=\"Dr. Jiju Poovvancheri\" loading=\"lazy\">\n <div>\n <h1>Dr. Jiju Poovvancheri<\/h1>\n <div class=\"title\">Associate Professor \u00b7 Mathematics & Computing Science<\/div>\n <div class=\"role2\">CS Program Coordinator (September 2026\u2013)<\/div>\n <p class=\"affil\">\n Saint Mary’s University, Halifax, Canada. Director of the\n <strong>Graphics & Spatial Computing Lab<\/strong>. Previously a postdoctoral\n researcher at the Graphics Lab, University of Victoria, and the Geospatial Intelligence Lab,\n University of Calgary; PhD from Indian Institute of Technology (IIT) Madras with\n <a href=\"https:\/\/ed.iitm.ac.in\/~raman\/\" target=\"_blank\" rel=\"noopener\">Prof. Ramanathan Muthuganapathy<\/a>,\n and a Master’s from National Institute of Technology (NIT) Surathkal, Karnataka.\n <\/p>\n <div class=\"cta\">\n <a class=\"solid\" href=\"https:\/\/cs.smu.ca\/~jiju\/index.php\/research\/\">Publications<\/a>\n <a href=\"https:\/\/cs.smu.ca\/~jiju\/index.php\/group-2\/\">The team<\/a>\n <a href=\"https:\/\/cs.smu.ca\/~jiju\/index.php\/software\/\">Software & data<\/a>\n <a class=\"eml\" role=\"button\" tabindex=\"0\" data-u=\"jiju.poovvancheri\" data-d=\"smu.ca\">Email \u2197<\/a>\n <\/div>\n <\/div>\n<\/div>\n\n\n<h2 id=\"research\">Research<\/h2>\n<div class=\"prose\">\n <p>\n My research lies at the intersection of <strong>3D computer vision, computer graphics, geometric\n learning, and spatial computing<\/strong>, with a focus on scalable, learning-based algorithms for\n understanding and modelling large-scale 3D environments. Motivated by challenges in\n <em>urban, environmental, and planetary sensing<\/em>, my work emphasizes a principled integration of\n <em>geometry, topology, and machine learning<\/em> for robust perception from 3D data.\n <\/p>\n <p>\n A central theme is the analysis of <strong>point clouds acquired from LiDAR and RGB-D sensors<\/strong>.\n Rather than treating 3D data as unstructured input, I design methods that leverage spatial data\n structures, geometric priors, and topological representations to improve the scalability,\n generalization, and interpretability of learning-based models. The broader goal is\n <em>next-generation 3D spatial intelligence<\/em> for digital twins, urban modelling and simulation,\n autonomous perception, and environmental monitoring \u2014 grounded in solid geometric and algorithmic\n foundations.\n <\/p>\n<\/div>\n\n<div class=\"themes\">\n <div class=\"theme\">\n <h3>Point cloud learning<\/h3>\n <p>Representation learning for large-scale LiDAR and RGB-D data.<\/p>\n <\/div>\n <div class=\"theme\">\n <h3>Semantic reconstruction<\/h3>\n <p>Surface reconstruction and scene understanding in complex urban environments.<\/p>\n <\/div>\n <div class=\"theme\">\n <h3>Spatial data structures<\/h3>\n <p>Hierarchical representations for efficient 3D computation.<\/p>\n <\/div>\n <div class=\"theme\">\n <h3>Topological deep learning<\/h3>\n <p>Topology-aware sampling, feature learning, and structural regularization.<\/p>\n <\/div>\n<\/div>\n\n\n<h2 id=\"join\">Join the lab<\/h2>\n<p class=\"sec-sub\">\n Funded positions are available at the PhD, MSc, and BSc levels for motivated students who want to work\n on hard problems in graphics, vision, and geometric learning. See the\n <a href=\"https:\/\/cs.smu.ca\/~jiju\/index.php\/group-2\/#open\" style=\"color:var(--accent);text-decoration:none;border-bottom:1px solid #e6b8cc\">open positions<\/a>\n on the team page, then email <a class=\"eml\" role=\"button\" tabindex=\"0\" data-u=\"jiju.poovvancheri\" data-d=\"smu.ca\" style=\"color:var(--link)\">Show email<\/a> with your CV and transcripts.\n<\/p>\n\n\n<h2 id=\"activities\">Professional activities<\/h2>\n\n<div class=\"split\">\n\n <div>\n <div class=\"listcard\">\n <h3>Editorial<\/h3>\n <ul>\n <li><b>Associate Editor<\/b>, IEEE Access <span class=\"yr\">2019\u2013<\/span><\/li>\n <li><b>Guest Editor<\/b>, <em>Remote Sensing<\/em> \u2014 3D Semantic Modeling of Urban Scenes from Point Clouds (I & II)<\/li>\n <li><b>Guest Editor<\/b>, <em>Remote Sensing<\/em> \u2014 Deep Learning based 3D Scene Understanding from LiDAR<\/li>\n <li><b>Guest Editor<\/b>, <em>Sensors<\/em> \u2014 LiDAR based Virtual City Creation<\/li>\n <\/ul>\n <h3>Committees & service<\/h3>\n <ul>\n <li>Program Committee \u2014 <b>NeurIPS 2026<\/b>, <b>CVPR 2026\/25<\/b>, <b>ICCV 2025<\/b>, <b>ECCV 2026\/24<\/b>, CRV, USM3D, ISVC<\/li>\n <li>Session Chair \u2014 <em>Urban: Computational Methods, SAR & Infrastructure<\/em> (posters), IEEE IGARSS 2026<\/li>\n <li>Session Chair \u2014 <em>3D Data Construction, Processing and Evaluation<\/em> (posters), IEEE IGARSS 2023<\/li>\n <li>NSERC CS Scholarship Committee <span class=\"yr\">2022\u201325<\/span><\/li>\n <li>Science Atlantic CS Committee <span class=\"yr\">2023\u20132025<\/span><\/li>\n <li>AARMS CRG Scientific Machine Learning <span class=\"yr\">2021\u2013<\/span><\/li>\n <li>IEEE GRSS Image Analysis & Data Fusion <span class=\"yr\">2023\u2013<\/span><\/li>\n <\/ul>\n <\/div>\n <\/div>\n\n <div>\n <div class=\"listcard\">\n <h3>Reviewer \u2014 journals<\/h3>\n <ul>\n <li>IEEE TPAMI \u00b7 IEEE TIP \u00b7 IEEE TGRS \u00b7 IEEE T-ITS<\/li>\n <li>Computer Vision & Image Understanding (CVIU)<\/li>\n <li>Image & Vision Computing (IVC)<\/li>\n <li>Computer Graphics Forum (CGF) \u00b7 Computers & Graphics<\/li>\n <\/ul>\n <h3>Reviewer \u2014 conferences<\/h3>\n <ul>\n <li>NeurIPS \u00b7 CVPR \u00b7 ICCV \u00b7 ECCV \u00b7 WACV \u00b7 BMVC<\/li>\n <li>CRV \u00b7 ISVC \u00b7 INDOOR3D \u00b7 SIBGRAPI \u00b7 ISPRS Congress<\/li>\n <\/ul>\n <h3>Funding agencies<\/h3>\n <ul>\n <li>NSERC Discovery Grant \u00b7 MITACS Accelerate<\/li>\n <\/ul>\n <\/div>\n <\/div>\n\n<\/div>\n\n<h3 style=\"font-family:'Space Grotesk',sans-serif;font-weight:600;font-size:1.02rem;color:var(--ink);margin:30px 0 4px\">Memberships<\/h3>\n<div class=\"pills\">\n <span>ACM SIGGRAPH<\/span>\n <span>ACM SIGSPATIAL<\/span>\n <span>ASIA Graphics<\/span>\n <span>Solid Modeling Association<\/span>\n <span>IEEE<\/span>\n <span>IEEE Computer Society<\/span>\n <span>IEEE Geoscience & Remote Sensing Society<\/span>\n<\/div>\n\n\n<h2 id=\"contact\">Contact<\/h2>\n<div class=\"contactgrid\">\n <div class=\"contactcard\">\n <b>Dr. Jiju Poovvancheri<\/b><br>\n Office: MN130, McNally North<br>\n Department of Mathematics & Computing Science<br>\n Saint Mary’s University<br>\n 923 Robie Street, Halifax, NS, Canada B3H 3C3<br>\n <a class=\"eml\" role=\"button\" tabindex=\"0\" data-u=\"jiju.poovvancheri\" data-d=\"smu.ca\">Show email<\/a><br>\n +1 902 420 5787\n <\/div>\n <div class=\"mapwrap\">\n <iframe src=\"https:\/\/www.google.com\/maps\/embed?pb=!1m18!1m12!1m3!1d1236.251918238263!2d-63.58287430000013!3d44.63157130633311!2m3!1f0!2f0!3f0!3m2!1i1024!2i768!4f13.1!3m3!1m2!1s0x4b5a223ee2305a45%3A0xe993bcb69f8e44d9!2sMcNally+North%2C+Saint+Mary's+University!5e0!3m2!1sen!2sca!4v1566058633582!5m2!1sen!2sca\" loading=\"lazy\" referrerpolicy=\"no-referrer-when-downgrade\" title=\"Map to McNally North, Saint Mary's University\"><\/iframe>\n <\/div>\n<\/div>\n\n\n<script>\n(function(){\n function reveal(a){\n if(a.getAttribute('data-shown')==='1') return;\n var addr=a.getAttribute('data-u')+String.fromCharCode(64)+a.getAttribute('data-d');\n a.textContent=addr;\n a.setAttribute('href','mail'+'to:'+addr);\n a.setAttribute('data-shown','1');\n }\n var links=document.querySelectorAll('.gsc-home a.eml');\n for(var i=0;i<links.length;i++){\n (function(a){\n a.style.cursor='pointer';\n a.addEventListener('click',function(e){ if(a.getAttribute('data-shown')!=='1'){e.preventDefault(); 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