{"id":2098,"date":"2024-08-25T19:04:04","date_gmt":"2024-08-25T19:04:04","guid":{"rendered":"https:\/\/labs.cs.queensu.ca\/perklab\/?post_type=qsc_member&#038;p=2098"},"modified":"2024-12-05T15:53:11","modified_gmt":"2024-12-05T15:53:11","slug":"pavel-dumitru-cernelev","status":"publish","type":"qsc_member","link":"https:\/\/labs.cs.queensu.ca\/perklab\/members\/pavel-dumitru-cernelev\/","title":{"rendered":"Pavel-Dumitru Cernelev"},"content":{"rendered":"<div class=\"wp-block-columns is-layout-flex wp-block-columns-is-layout-flex qsc-member-single-core-info-container\">\n\t<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow qsc-member-single-photo-column\">\n\t\t<img loading=\"lazy\" decoding=\"async\" width=\"242\" height=\"250\" src=\"https:\/\/labs.cs.queensu.ca\/perklab\/wp-content\/uploads\/sites\/3\/2024\/02\/Image.png\" class=\"qsc-member-single-photo wp-post-image\" alt=\"\" srcset=\"https:\/\/labs.cs.queensu.ca\/perklab\/wp-content\/uploads\/sites\/3\/2024\/02\/Image.png 482w, https:\/\/labs.cs.queensu.ca\/perklab\/wp-content\/uploads\/sites\/3\/2024\/02\/Image-290x300.png 290w\" sizes=\"auto, (max-width: 242px) 100vw, 242px\" \/>\n\t<\/div>\n\t<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow qsc-member-single-info-column\">\n\t\t<div class=\"qsc-member-name\"><h1>Pavel-Dumitru Cernelev<\/h1><\/div>\n\t\t<div class=\"qsc-member-position\">MSc Student<\/div>\n\t\t<div class=\"qsc-member-department\">School of Computing<\/div>\n\t\t<div class=\"qsc-member-organization\">Queen&#8217;s University<\/div>\n\t\t<div class=\"qsc-member-contact\">\n\t\t\t<div class=\"qsc-member-email\"><a href=\"mailto:18pdc1@queensu.ca\">18pdc1@queensu.ca<\/a><\/div>\n\t\t\t<div class=\"qsc-member-socials\">\n\t\t\t<\/div>\n\t\t<\/div>\n\t<\/div>\n<\/div>\n<div class=\"qsc-member-bio\">\n\t\n<h2 class=\"wp-block-heading\">Publications<\/h2>\n\n\n<div class=\"teachpress_pub_list\"><form name=\"tppublistform\" method=\"get\"><a name=\"tppubs\" id=\"tppubs\"><\/a><\/form><div class=\"teachpress_publication_list\"><div class=\"tp_publication tp_publication_article\"><div class=\"tp_pub_info\"><p class=\"tp_pub_author\"> Hashtrudi-Zaad, Kian;  Ungi, Tamas;  Yeung, Chris;  Baum, Zachary;  Cernelev, Pavel-Dumitru;  Hage, Anthony N;  Schlenger, Christopher;  Fichtinger, Gabor<\/p><p class=\"tp_pub_title\">Expert-guided optimization of ultrasound segmentation models for 3D spine imaging <span class=\"tp_pub_type tp_  article\">Journal Article<\/span> <\/p><p class=\"tp_pub_additional\"><span class=\"tp_pub_additional_in\">In: <\/span><span class=\"tp_pub_additional_pages\">pp. 680-685, <\/span><span class=\"tp_pub_additional_year\">2024<\/span>.<\/p><p class=\"tp_pub_menu\"><span class=\"tp_abstract_link\"><a id=\"tp_abstract_sh_1151\" class=\"tp_show\" onclick=\"teachpress_pub_showhide('1151','tp_abstract')\" title=\"Show abstract\" style=\"cursor:pointer;\">Abstract<\/a><\/span> | <span class=\"tp_bibtex_link\"><a id=\"tp_bibtex_sh_1151\" class=\"tp_show\" onclick=\"teachpress_pub_showhide('1151','tp_bibtex')\" title=\"Show BibTeX entry\" style=\"cursor:pointer;\">BibTeX<\/a><\/span><\/p><div class=\"tp_bibtex\" id=\"tp_bibtex_1151\" style=\"display:none;\"><div class=\"tp_bibtex_entry\"><pre>@article{hashtrudi-zaad2024,<br \/>\r\ntitle = {Expert-guided optimization of ultrasound segmentation models for 3D spine imaging},<br \/>\r\nauthor = {Kian Hashtrudi-Zaad and Tamas Ungi and Chris Yeung and Zachary Baum and Pavel-Dumitru Cernelev and Anthony N Hage and Christopher Schlenger and Gabor Fichtinger},<br \/>\r\nyear  = {2024},<br \/>\r\ndate = {2024-01-01},<br \/>\r\npages = {680-685},<br \/>\r\npublisher = {IEEE},<br \/>\r\nabstract = {We explored ultrasound for imaging bones, specifically the spine, as a safer and more accessible alternative to conventional X-ray. We aimed to improve how well deep learning segmentation models filter bone signals from ultrasound frames with the goal of using these segmented images for reconstructing the 3-dimensional spine volume.Our dataset consisted of spatially tracked ultrasound scans from 25 patients. Image frames from these scans were also manually annotated to provide training data for image segmentation deep learning. To find the optimal automatic segmentation method, we assessed five different artificial neural network models and their variations by hyperparameter tuning. Our main contribution is a new approach for model selection, employing an Elo rating system to efficiently rank trained models based on their visual performance as assessed by clinical users. This method addresses the \u2026},<br \/>\r\nkeywords = {},<br \/>\r\npubstate = {published},<br \/>\r\ntppubtype = {article}<br \/>\r\n}<br \/>\r\n<\/pre><\/div><p class=\"tp_close_menu\"><a class=\"tp_close\" onclick=\"teachpress_pub_showhide('1151','tp_bibtex')\">Close<\/a><\/p><\/div><div class=\"tp_abstract\" id=\"tp_abstract_1151\" style=\"display:none;\"><div class=\"tp_abstract_entry\">We explored ultrasound for imaging bones, specifically the spine, as a safer and more accessible alternative to conventional X-ray. We aimed to improve how well deep learning segmentation models filter bone signals from ultrasound frames with the goal of using these segmented images for reconstructing the 3-dimensional spine volume.Our dataset consisted of spatially tracked ultrasound scans from 25 patients. Image frames from these scans were also manually annotated to provide training data for image segmentation deep learning. To find the optimal automatic segmentation method, we assessed five different artificial neural network models and their variations by hyperparameter tuning. Our main contribution is a new approach for model selection, employing an Elo rating system to efficiently rank trained models based on their visual performance as assessed by clinical users. This method addresses the \u2026<\/div><p class=\"tp_close_menu\"><a class=\"tp_close\" onclick=\"teachpress_pub_showhide('1151','tp_abstract')\">Close<\/a><\/p><\/div><\/div><\/div><div class=\"tp_publication tp_publication_conference\"><div class=\"tp_pub_info\"><p class=\"tp_pub_author\"> Cernelev, Pavel-Dumitru;  Moga, Kristof;  Groves, Leah;  Haidegger, Tam\u00e1s;  Fichtinger, Gabor;  Ungi, Tamas<\/p><p class=\"tp_pub_title\"><a class=\"tp_title_link\" href=\"https:\/\/dx.doi.org\/10.1117\/12.2654428\" title=\"Determining boundaries of accurate tracking for electromagnetic sensors\" target=\"blank\">Determining boundaries of accurate tracking for electromagnetic sensors<\/a> <span class=\"tp_pub_type tp_  conference\">Conference<\/span> <\/p><p class=\"tp_pub_additional\"><span class=\"tp_pub_additional_publisher\">SPIE, <\/span><span class=\"tp_pub_additional_year\">2023<\/span>.<\/p><p class=\"tp_pub_menu\"><span class=\"tp_resource_link\"><a id=\"tp_links_sh_605\" class=\"tp_show\" onclick=\"teachpress_pub_showhide('605','tp_links')\" title=\"Show links and resources\" style=\"cursor:pointer;\">Links<\/a><\/span> | <span class=\"tp_bibtex_link\"><a id=\"tp_bibtex_sh_605\" class=\"tp_show\" onclick=\"teachpress_pub_showhide('605','tp_bibtex')\" title=\"Show BibTeX entry\" style=\"cursor:pointer;\">BibTeX<\/a><\/span><\/p><div class=\"tp_bibtex\" id=\"tp_bibtex_605\" style=\"display:none;\"><div class=\"tp_bibtex_entry\"><pre>@conference{Cernelev2023,<br \/>\r\ntitle = {Determining boundaries of accurate tracking for electromagnetic sensors},<br \/>\r\nauthor = {Pavel-Dumitru Cernelev and Kristof Moga and Leah Groves and Tam\u00e1s Haidegger and Gabor Fichtinger and Tamas Ungi},<br \/>\r\neditor = {Cristian A. Linte and Jeffrey H. Siewerdsen},<br \/>\r\ndoi = {10.1117\/12.2654428},<br \/>\r\nyear  = {2023},<br \/>\r\ndate = {2023-04-03},<br \/>\r\nurldate = {2023-04-03},<br \/>\r\npublisher = {SPIE},<br \/>\r\nkeywords = {},<br \/>\r\npubstate = {published},<br \/>\r\ntppubtype = {conference}<br \/>\r\n}<br \/>\r\n<\/pre><\/div><p class=\"tp_close_menu\"><a class=\"tp_close\" onclick=\"teachpress_pub_showhide('605','tp_bibtex')\">Close<\/a><\/p><\/div><div class=\"tp_links\" id=\"tp_links_605\" style=\"display:none;\"><div class=\"tp_links_entry\"><ul class=\"tp_pub_list\"><li><i class=\"ai ai-doi\"><\/i><a class=\"tp_pub_list\" href=\"https:\/\/dx.doi.org\/10.1117\/12.2654428\" title=\"Follow DOI:10.1117\/12.2654428\" target=\"_blank\">doi:10.1117\/12.2654428<\/a><\/li><\/ul><\/div><p class=\"tp_close_menu\"><a class=\"tp_close\" onclick=\"teachpress_pub_showhide('605','tp_links')\">Close<\/a><\/p><\/div><\/div><\/div><\/div><\/div>\n\n<\/div>\n","protected":false},"featured_media":616,"template":"","meta":{"_acf_changed":false,"_uag_custom_page_level_css":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center 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Yeung","author_link":"https:\/\/labs.cs.queensu.ca\/perklab\/author\/"},"uagb_comment_info":0,"uagb_excerpt":"Pavel-Dumitru Cernelev MSc Student School of Computing Queen&#8217;s University 18pdc1@queensu.ca Publications Hashtrudi-Zaad, Kian; Ungi, Tamas; Yeung, Chris; Baum, Zachary; Cernelev, Pavel-Dumitru; Hage, Anthony N; Schlenger, Christopher; Fichtinger, GaborExpert-guided optimization of ultrasound segmentation models for 3D spine imaging Journal Article In: pp. 680-685, 2024.Abstract | BibTeX@article{hashtrudi-zaad2024, title = {Expert-guided optimization of ultrasound segmentation models for 3D&hellip;","_links":{"self":[{"href":"https:\/\/labs.cs.queensu.ca\/perklab\/wp-json\/wp\/v2\/qsc_member\/2098","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/labs.cs.queensu.ca\/perklab\/wp-json\/wp\/v2\/qsc_member"}],"about":[{"href":"https:\/\/labs.cs.queensu.ca\/perklab\/wp-json\/wp\/v2\/types\/qsc_member"}],"version-history":[{"count":2,"href":"https:\/\/labs.cs.queensu.ca\/perklab\/wp-json\/wp\/v2\/qsc_member\/2098\/revisions"}],"predecessor-version":[{"id":2267,"href":"https:\/\/labs.cs.queensu.ca\/perklab\/wp-json\/wp\/v2\/qsc_member\/2098\/revisions\/2267"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/labs.cs.queensu.ca\/perklab\/wp-json\/wp\/v2\/media\/616"}],"wp:attachment":[{"href":"https:\/\/labs.cs.queensu.ca\/perklab\/wp-json\/wp\/v2\/media?parent=2098"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}