{"id":2467,"date":"2024-05-03T19:53:44","date_gmt":"2024-05-03T19:53:44","guid":{"rendered":"https:\/\/labs.cs.queensu.ca\/perklab\/members\/ryan-walsh\/"},"modified":"2024-05-03T19:53:44","modified_gmt":"2024-05-03T19:53:44","slug":"ryan-walsh","status":"publish","type":"qsc_member","link":"https:\/\/labs.cs.queensu.ca\/perklab\/members\/ryan-walsh\/","title":{"rendered":"Ryan Walsh"},"content":{"rendered":"<div class=\"wp-block-columns is-layout-flex wp-block-columns-is-layout-flex qsc-member-single-core-info-container\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow qsc-member-single-photo-column\">\n\t\t<img decoding=\"async\" src=\"https:\/\/labs.cs.queensu.ca\/perklab\/wp-content\/plugins\/qsc-members\/\/images\/missing-image-placeholder.png\" class=\"qsc-member-single-photo\"\/>\n\t<\/div>\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow qsc-member-single-info-column\">\n<div class=\"qsc-member-name\">\n<h1>Ryan Walsh<\/h1>\n<\/div>\n<div class=\"qsc-member-position\">Undergraduate Student<\/div>\n<div class=\"qsc-member-department\"><\/div>\n<div class=\"qsc-member-organization\">Queen&#8217;s University<\/div>\n<div class=\"qsc-member-date-range\">Member from <em>2013<\/em> to <em>present<\/em><\/div>\n<div class=\"qsc-member-contact\">\n<div class=\"qsc-member-socials\">\n\t\t\t<\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/div>\n<div class=\"qsc-member-bio\">\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_conference\"><div class=\"tp_pub_info\"><p class=\"tp_pub_author\"> Soehl, Marie;  Walsh, Ryan;  Rankin, Adam;  Lasso, Andras;  Fichtinger, Gabor<\/p><p class=\"tp_pub_title\"><a class=\"tp_title_link\" href=\"https:\/\/dx.doi.org\/10.1117\/12.2044121\" title=\"Tracked ultrasound calibration studies with a phantom made of LEGO(r) bricks\" target=\"blank\">Tracked ultrasound calibration studies with a phantom made of LEGO(r) bricks<\/a> <span class=\"tp_pub_type tp_  conference\">Conference<\/span> <\/p><p class=\"tp_pub_additional\"><span class=\"tp_pub_additional_booktitle\">SPIE Medical Imaging 2014, <\/span><span class=\"tp_pub_additional_volume\">vol. 9036, <\/span><span class=\"tp_pub_additional_address\">San Diego, United States, March 12, 2014, <\/span><span class=\"tp_pub_additional_year\">2014<\/span>.<\/p><p class=\"tp_pub_menu\"><span class=\"tp_resource_link\"><a id=\"tp_links_sh_253\" class=\"tp_show\" onclick=\"teachpress_pub_showhide('253','tp_links')\" title=\"Show links and resources\" style=\"cursor:pointer;\">Links<\/a><\/span> | <span class=\"tp_bibtex_link\"><a id=\"tp_bibtex_sh_253\" class=\"tp_show\" onclick=\"teachpress_pub_showhide('253','tp_bibtex')\" title=\"Show BibTeX entry\" style=\"cursor:pointer;\">BibTeX<\/a><\/span><\/p><div class=\"tp_bibtex\" id=\"tp_bibtex_253\" style=\"display:none;\"><div class=\"tp_bibtex_entry\"><pre>@conference{Soehl2014,<br \/>\r\ntitle = {Tracked ultrasound calibration studies with a phantom made of LEGO(r) bricks},<br \/>\r\nauthor = {Marie Soehl and Ryan Walsh and Adam Rankin and Andras Lasso and Gabor Fichtinger},<br \/>\r\nurl = {https:\/\/labs.cs.queensu.ca\/perklab\/wp-content\/uploads\/sites\/3\/2024\/02\/Soehl2014-manuscript.pdf},<br \/>\r\ndoi = {10.1117\/12.2044121},<br \/>\r\nyear  = {2014},<br \/>\r\ndate = {2014-03-01},<br \/>\r\nurldate = {2014-03-01},<br \/>\r\nbooktitle = {SPIE Medical Imaging 2014},<br \/>\r\nvolume = {9036},<br \/>\r\npages = {90362R},<br \/>\r\naddress = {San Diego, United States, March 12, 2014},<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('253','tp_bibtex')\">Close<\/a><\/p><\/div><div class=\"tp_links\" id=\"tp_links_253\" style=\"display:none;\"><div class=\"tp_links_entry\"><ul class=\"tp_pub_list\"><li><i class=\"fas fa-file-pdf\"><\/i><a class=\"tp_pub_list\" href=\"https:\/\/labs.cs.queensu.ca\/perklab\/wp-content\/uploads\/sites\/3\/2024\/02\/Soehl2014-manuscript.pdf\" title=\"https:\/\/labs.cs.queensu.ca\/perklab\/wp-content\/uploads\/sites\/3\/2024\/02\/Soehl2014-[...]\" target=\"_blank\">https:\/\/labs.cs.queensu.ca\/perklab\/wp-content\/uploads\/sites\/3\/2024\/02\/Soehl2014-[...]<\/a><\/li><li><i class=\"ai ai-doi\"><\/i><a class=\"tp_pub_list\" href=\"https:\/\/dx.doi.org\/10.1117\/12.2044121\" title=\"Follow DOI:10.1117\/12.2044121\" target=\"_blank\">doi:10.1117\/12.2044121<\/a><\/li><\/ul><\/div><p class=\"tp_close_menu\"><a class=\"tp_close\" onclick=\"teachpress_pub_showhide('253','tp_links')\">Close<\/a><\/p><\/div><\/div><\/div><div class=\"tp_publication tp_publication_conference\"><div class=\"tp_pub_info\"><p class=\"tp_pub_author\"> Walsh, Ryan;  Soehl, Marie;  Rankin, Adam;  Lasso, Andras;  Fichtinger, Gabor<\/p><p class=\"tp_pub_title\"><a class=\"tp_title_link\" href=\"https:\/\/dx.doi.org\/10.1117\/12.2043533\" title=\"Design of a tracked ultrasound calibration phantom made of LEGO bricks\" target=\"blank\">Design of a tracked ultrasound calibration phantom made of LEGO bricks<\/a> <span class=\"tp_pub_type tp_  conference\">Conference<\/span> <\/p><p class=\"tp_pub_additional\"><span class=\"tp_pub_additional_booktitle\">SPIE Medical ImagingMedical Imaging 2014: Image-Guided Procedures, Robotic Interventions, and Modeling, <\/span><span class=\"tp_pub_additional_volume\">vol. 9036, <\/span><span class=\"tp_pub_additional_organization\">SPIE <\/span><span class=\"tp_pub_additional_publisher\">SPIE, <\/span><span class=\"tp_pub_additional_address\">San Diego, California, USA, <\/span><span class=\"tp_pub_additional_year\">2014<\/span>.<\/p><p class=\"tp_pub_menu\"><span class=\"tp_resource_link\"><a id=\"tp_links_sh_218\" class=\"tp_show\" onclick=\"teachpress_pub_showhide('218','tp_links')\" title=\"Show links and resources\" style=\"cursor:pointer;\">Links<\/a><\/span> | <span class=\"tp_bibtex_link\"><a id=\"tp_bibtex_sh_218\" class=\"tp_show\" onclick=\"teachpress_pub_showhide('218','tp_bibtex')\" title=\"Show BibTeX entry\" style=\"cursor:pointer;\">BibTeX<\/a><\/span><\/p><div class=\"tp_bibtex\" id=\"tp_bibtex_218\" style=\"display:none;\"><div class=\"tp_bibtex_entry\"><pre>@conference{Walsh2014,<br \/>\r\ntitle = {Design of a tracked ultrasound calibration phantom made of LEGO bricks},<br \/>\r\nauthor = {Ryan Walsh and Marie Soehl and Adam Rankin and Andras Lasso and Gabor Fichtinger},<br \/>\r\ndoi = {10.1117\/12.2043533},<br \/>\r\nyear  = {2014},<br \/>\r\ndate = {2014-03-01},<br \/>\r\nurldate = {2014-03-01},<br \/>\r\nbooktitle = {SPIE Medical ImagingMedical Imaging 2014: Image-Guided Procedures, Robotic Interventions, and Modeling},<br \/>\r\nvolume = {9036},<br \/>\r\npages = {90362C},<br \/>\r\npublisher = {SPIE},<br \/>\r\naddress = {San Diego, California, USA},<br \/>\r\norganization = {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('218','tp_bibtex')\">Close<\/a><\/p><\/div><div class=\"tp_links\" id=\"tp_links_218\" 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\/12.2043533\" title=\"Follow DOI:10.1117\/12.2043533\" target=\"_blank\">doi:10.1117\/12.2043533<\/a><\/li><\/ul><\/div><p class=\"tp_close_menu\"><a class=\"tp_close\" onclick=\"teachpress_pub_showhide('218','tp_links')\">Close<\/a><\/p><\/div><\/div><\/div><div class=\"tp_publication tp_publication_conference\"><div class=\"tp_pub_info\"><p class=\"tp_pub_author\"> Soehl, Marie;  Walsh, Ryan;  Rankin, Adam;  Lasso, Andras;  Fichtinger, Gabor<\/p><p class=\"tp_pub_title\"><a class=\"tp_title_link\" href=\"https:\/\/labs.cs.queensu.ca\/perklab\/wp-content\/uploads\/sites\/3\/2024\/02\/Soehl2014a-manuscript.pdf\" title=\"https:\/\/labs.cs.queensu.ca\/perklab\/wp-content\/uploads\/sites\/3\/2024\/02\/Soehl2014a-manuscript.pdf\" target=\"blank\">Tracked ultrasound calibration studies with a phantom made of LEGO\u00ae bricks<\/a> <span class=\"tp_pub_type tp_  conference\">Conference<\/span> <\/p><p class=\"tp_pub_additional\"><span class=\"tp_pub_additional_booktitle\">12th Annual Imaging Network Ontario Symposium, <\/span><span class=\"tp_pub_additional_address\">Toronto, Canada, March 24-25, 2014, <\/span><span class=\"tp_pub_additional_year\">2014<\/span>.<\/p><p class=\"tp_pub_menu\"><span class=\"tp_resource_link\"><a id=\"tp_links_sh_254\" class=\"tp_show\" onclick=\"teachpress_pub_showhide('254','tp_links')\" title=\"Show links and resources\" style=\"cursor:pointer;\">Links<\/a><\/span> | <span class=\"tp_bibtex_link\"><a id=\"tp_bibtex_sh_254\" class=\"tp_show\" onclick=\"teachpress_pub_showhide('254','tp_bibtex')\" title=\"Show BibTeX entry\" style=\"cursor:pointer;\">BibTeX<\/a><\/span><\/p><div class=\"tp_bibtex\" id=\"tp_bibtex_254\" style=\"display:none;\"><div class=\"tp_bibtex_entry\"><pre>@conference{Soehl2014a,<br \/>\r\ntitle = {Tracked ultrasound calibration studies with a phantom made of LEGO\u00ae bricks},<br \/>\r\nauthor = {Marie Soehl and Ryan Walsh and Adam Rankin and Andras Lasso and Gabor Fichtinger},<br \/>\r\nurl = {https:\/\/labs.cs.queensu.ca\/perklab\/wp-content\/uploads\/sites\/3\/2024\/02\/Soehl2014a-manuscript.pdf},<br \/>\r\nyear  = {2014},<br \/>\r\ndate = {2014-01-01},<br \/>\r\nurldate = {2014-01-01},<br \/>\r\nbooktitle = {12th Annual Imaging Network Ontario Symposium},<br \/>\r\naddress = {Toronto, Canada, March 24-25, 2014},<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('254','tp_bibtex')\">Close<\/a><\/p><\/div><div class=\"tp_links\" id=\"tp_links_254\" style=\"display:none;\"><div class=\"tp_links_entry\"><ul class=\"tp_pub_list\"><li><i class=\"fas fa-file-pdf\"><\/i><a class=\"tp_pub_list\" href=\"https:\/\/labs.cs.queensu.ca\/perklab\/wp-content\/uploads\/sites\/3\/2024\/02\/Soehl2014a-manuscript.pdf\" title=\"https:\/\/labs.cs.queensu.ca\/perklab\/wp-content\/uploads\/sites\/3\/2024\/02\/Soehl2014a[...]\" target=\"_blank\">https:\/\/labs.cs.queensu.ca\/perklab\/wp-content\/uploads\/sites\/3\/2024\/02\/Soehl2014a[...]<\/a><\/li><\/ul><\/div><p class=\"tp_close_menu\"><a class=\"tp_close\" onclick=\"teachpress_pub_showhide('254','tp_links')\">Close<\/a><\/p><\/div><\/div><\/div><div class=\"tp_publication tp_publication_article\"><div class=\"tp_pub_info\"><p class=\"tp_pub_author\"> Walsh, Ryan;  Soehl, Marie;  Rankin, Adam;  Lasso, Andras;  Fichtinger, Gabor<\/p><p class=\"tp_pub_title\"><a class=\"tp_title_link\" href=\"https:\/\/www.spiedigitallibrary.org\/conference-proceedings-of-spie\/9036\/90362C\/Design-of-a-tracked-ultrasound-calibration-phantom-made-of-LEGO\/10.1117\/12.2043533.short\" title=\"https:\/\/www.spiedigitallibrary.org\/conference-proceedings-of-spie\/9036\/90362C\/Design-of-a-tracked-ultrasound-calibration-phantom-made-of-LEGO\/10.1117\/12.2043533.short\" target=\"blank\">Design of a tracked ultrasound calibration phantom made of lego bricks<\/a> <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_volume\">vol. 9036, <\/span><span class=\"tp_pub_additional_pages\">pp. 606-612, <\/span><span class=\"tp_pub_additional_year\">2014<\/span>.<\/p><p class=\"tp_pub_menu\"><span class=\"tp_abstract_link\"><a id=\"tp_abstract_sh_826\" class=\"tp_show\" onclick=\"teachpress_pub_showhide('826','tp_abstract')\" title=\"Show abstract\" style=\"cursor:pointer;\">Abstract<\/a><\/span> | <span class=\"tp_resource_link\"><a id=\"tp_links_sh_826\" class=\"tp_show\" onclick=\"teachpress_pub_showhide('826','tp_links')\" title=\"Show links and resources\" style=\"cursor:pointer;\">Links<\/a><\/span> | <span class=\"tp_bibtex_link\"><a id=\"tp_bibtex_sh_826\" class=\"tp_show\" onclick=\"teachpress_pub_showhide('826','tp_bibtex')\" title=\"Show BibTeX entry\" style=\"cursor:pointer;\">BibTeX<\/a><\/span><\/p><div class=\"tp_bibtex\" id=\"tp_bibtex_826\" style=\"display:none;\"><div class=\"tp_bibtex_entry\"><pre>@article{fichtinger2014i,<br \/>\r\ntitle = {Design of a tracked ultrasound calibration phantom made of lego bricks},<br \/>\r\nauthor = {Ryan Walsh and Marie Soehl and Adam Rankin and Andras Lasso and Gabor Fichtinger},<br \/>\r\nurl = {https:\/\/www.spiedigitallibrary.org\/conference-proceedings-of-spie\/9036\/90362C\/Design-of-a-tracked-ultrasound-calibration-phantom-made-of-LEGO\/10.1117\/12.2043533.short},<br \/>\r\nyear  = {2014},<br \/>\r\ndate = {2014-01-01},<br \/>\r\nvolume = {9036},<br \/>\r\npages = {606-612},<br \/>\r\npublisher = {SPIE},<br \/>\r\nabstract = {PURPOSE: Spatial calibration of tracked ultrasound systems is commonly performed using precisely fabricated phantoms. Machining or 3D printing has relatively high cost and not easily available. Moreover, the possibilities for modifying the phantoms are very limited. Our goal was to find a method to construct a calibration phantom from affordable, widely available components, which can be built in short time, can be easily modified, and provides comparable accuracy to the existing solutions. METHODS: We designed an N-wire calibration phantom made of LEGO\u00ae bricks. To affirm the phantom\u2019s reproducibility and build time, ten builds were done by first-time users. The phantoms were used for a tracked ultrasound calibration by an experienced user. The success of each user\u2019s build was determined by the lowest root mean square (RMS) wire reprojection error of three calibrations. The accuracy and variance of \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('826','tp_bibtex')\">Close<\/a><\/p><\/div><div class=\"tp_abstract\" id=\"tp_abstract_826\" style=\"display:none;\"><div class=\"tp_abstract_entry\">PURPOSE: Spatial calibration of tracked ultrasound systems is commonly performed using precisely fabricated phantoms. Machining or 3D printing has relatively high cost and not easily available. Moreover, the possibilities for modifying the phantoms are very limited. Our goal was to find a method to construct a calibration phantom from affordable, widely available components, which can be built in short time, can be easily modified, and provides comparable accuracy to the existing solutions. METHODS: We designed an N-wire calibration phantom made of LEGO\u00ae bricks. To affirm the phantom\u2019s reproducibility and build time, ten builds were done by first-time users. The phantoms were used for a tracked ultrasound calibration by an experienced user. The success of each user\u2019s build was determined by the lowest root mean square (RMS) wire reprojection error of three calibrations. The accuracy and variance of \u2026<\/div><p class=\"tp_close_menu\"><a class=\"tp_close\" onclick=\"teachpress_pub_showhide('826','tp_abstract')\">Close<\/a><\/p><\/div><div class=\"tp_links\" id=\"tp_links_826\" style=\"display:none;\"><div class=\"tp_links_entry\"><ul class=\"tp_pub_list\"><li><i class=\"fas fa-globe\"><\/i><a class=\"tp_pub_list\" href=\"https:\/\/www.spiedigitallibrary.org\/conference-proceedings-of-spie\/9036\/90362C\/Design-of-a-tracked-ultrasound-calibration-phantom-made-of-LEGO\/10.1117\/12.2043533.short\" title=\"https:\/\/www.spiedigitallibrary.org\/conference-proceedings-of-spie\/9036\/90362C\/De[...]\" target=\"_blank\">https:\/\/www.spiedigitallibrary.org\/conference-proceedings-of-spie\/9036\/90362C\/De[...]<\/a><\/li><\/ul><\/div><p class=\"tp_close_menu\"><a class=\"tp_close\" onclick=\"teachpress_pub_showhide('826','tp_links')\">Close<\/a><\/p><\/div><\/div><\/div><div class=\"tp_publication tp_publication_article\"><div class=\"tp_pub_info\"><p class=\"tp_pub_author\"> Soehl, Marie;  Walsh, Ryan;  Rankin, Adam;  Lasso, Andras;  Fichtinger, Gabor<\/p><p class=\"tp_pub_title\"><a class=\"tp_title_link\" href=\"https:\/\/www.spiedigitallibrary.org\/conference-proceedings-of-spie\/9036\/90362R\/Tracked-ultrasound-calibration-studies-with-a-phantom-made-of-LEGO\/10.1117\/12.2044121.short\" title=\"https:\/\/www.spiedigitallibrary.org\/conference-proceedings-of-spie\/9036\/90362R\/Tracked-ultrasound-calibration-studies-with-a-phantom-made-of-LEGO\/10.1117\/12.2044121.short\" target=\"blank\">Tracked ultrasound calibration studies with a phantom made of LEGO bricks<\/a> <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_volume\">vol. 9036, <\/span><span class=\"tp_pub_additional_pages\">pp. 725-732, <\/span><span class=\"tp_pub_additional_year\">2014<\/span>.<\/p><p class=\"tp_pub_menu\"><span class=\"tp_abstract_link\"><a id=\"tp_abstract_sh_861\" class=\"tp_show\" onclick=\"teachpress_pub_showhide('861','tp_abstract')\" title=\"Show abstract\" style=\"cursor:pointer;\">Abstract<\/a><\/span> | <span class=\"tp_resource_link\"><a id=\"tp_links_sh_861\" class=\"tp_show\" onclick=\"teachpress_pub_showhide('861','tp_links')\" title=\"Show links and resources\" style=\"cursor:pointer;\">Links<\/a><\/span> | <span class=\"tp_bibtex_link\"><a id=\"tp_bibtex_sh_861\" class=\"tp_show\" onclick=\"teachpress_pub_showhide('861','tp_bibtex')\" title=\"Show BibTeX entry\" style=\"cursor:pointer;\">BibTeX<\/a><\/span><\/p><div class=\"tp_bibtex\" id=\"tp_bibtex_861\" style=\"display:none;\"><div class=\"tp_bibtex_entry\"><pre>@article{fichtinger2014l,<br \/>\r\ntitle = {Tracked ultrasound calibration studies with a phantom made of LEGO bricks},<br \/>\r\nauthor = {Marie Soehl and Ryan Walsh and Adam Rankin and Andras Lasso and Gabor Fichtinger},<br \/>\r\nurl = {https:\/\/www.spiedigitallibrary.org\/conference-proceedings-of-spie\/9036\/90362R\/Tracked-ultrasound-calibration-studies-with-a-phantom-made-of-LEGO\/10.1117\/12.2044121.short},<br \/>\r\nyear  = {2014},<br \/>\r\ndate = {2014-01-01},<br \/>\r\nvolume = {9036},<br \/>\r\npages = {725-732},<br \/>\r\npublisher = {SPIE},<br \/>\r\nabstract = {In this study, spatial calibration of tracked ultrasound was compared by using a calibration phantom made of LEGO\u00ae bricks and two 3-D printed N-wire phantoms. <br \/>\r\nMETHODS <br \/>\r\nThe accuracy and variance of calibrations were compared under a variety of operating conditions. Twenty trials were performed using an electromagnetic tracking device with a linear probe and three trials were performed using varied probes, varied tracking devices and the three aforementioned phantoms. The accuracy and variance of spatial calibrations found through the standard deviation and error of the 3-D image reprojection were used to compare the calibrations produced from the phantoms. <br \/>\r\nRESULTS <br \/>\r\nThis study found no significant difference between the measured variables of the calibrations. The average standard deviation of multiple 3-D image reprojections with the highest performing printed phantom and those from the phantom \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('861','tp_bibtex')\">Close<\/a><\/p><\/div><div class=\"tp_abstract\" id=\"tp_abstract_861\" style=\"display:none;\"><div class=\"tp_abstract_entry\">In this study, spatial calibration of tracked ultrasound was compared by using a calibration phantom made of LEGO\u00ae bricks and two 3-D printed N-wire phantoms. <br \/>\r\nMETHODS <br \/>\r\nThe accuracy and variance of calibrations were compared under a variety of operating conditions. Twenty trials were performed using an electromagnetic tracking device with a linear probe and three trials were performed using varied probes, varied tracking devices and the three aforementioned phantoms. The accuracy and variance of spatial calibrations found through the standard deviation and error of the 3-D image reprojection were used to compare the calibrations produced from the phantoms. <br \/>\r\nRESULTS <br \/>\r\nThis study found no significant difference between the measured variables of the calibrations. The average standard deviation of multiple 3-D image reprojections with the highest performing printed phantom and those from the phantom \u2026<\/div><p class=\"tp_close_menu\"><a class=\"tp_close\" onclick=\"teachpress_pub_showhide('861','tp_abstract')\">Close<\/a><\/p><\/div><div class=\"tp_links\" id=\"tp_links_861\" style=\"display:none;\"><div class=\"tp_links_entry\"><ul class=\"tp_pub_list\"><li><i class=\"fas fa-globe\"><\/i><a class=\"tp_pub_list\" href=\"https:\/\/www.spiedigitallibrary.org\/conference-proceedings-of-spie\/9036\/90362R\/Tracked-ultrasound-calibration-studies-with-a-phantom-made-of-LEGO\/10.1117\/12.2044121.short\" title=\"https:\/\/www.spiedigitallibrary.org\/conference-proceedings-of-spie\/9036\/90362R\/Tr[...]\" target=\"_blank\">https:\/\/www.spiedigitallibrary.org\/conference-proceedings-of-spie\/9036\/90362R\/Tr[...]<\/a><\/li><\/ul><\/div><p class=\"tp_close_menu\"><a class=\"tp_close\" onclick=\"teachpress_pub_showhide('861','tp_links')\">Close<\/a><\/p><\/div><\/div><\/div><\/div><\/div><\/div>\n","protected":false},"featured_media":0,"template":"","meta":{"_acf_changed":false,"_uag_custom_page_level_css":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","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 center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"class_list":["post-2467","qsc_member","type-qsc_member","status-publish","hentry"],"acf":[],"spectra_custom_meta":{"field_qsc_member_acf_email":[""],"_field_qsc_member_acf_email":["qsc_member_acf_email"],"qsc_member_acf_position":["Undergraduate Student"],"_qsc_member_acf_position":["field_qsc_member_acf_position"],"qsc_member_acf_department":[""],"_qsc_member_acf_department":["field_qsc_member_acf_department"],"field_qsc_member_acf_organization":["Queen's University"],"_field_qsc_member_acf_organization":["qsc_member_acf_organization"],"field_qsc_member_acf_linkedin":[""],"_field_qsc_member_acf_linkedin":["qsc_member_acf_linkedin"],"field_qsc_member_acf_gscholar":[""],"_field_qsc_member_acf_gscholar":["qsc_member_acf_gscholar"],"field_qsc_member_acf_github":[""],"_field_qsc_member_acf_github":["qsc_member_acf_github"],"field_qsc_member_acf_researchgate":[""],"_field_qsc_member_acf_researchgate":["qsc_member_acf_researchgate"],"field_qsc_member_acf_web":[""],"_field_qsc_member_acf_web":["qsc_member_acf_web"],"field_qsc_member_acf_program_status":["Past"],"_field_qsc_member_acf_program_status":["qsc_member_acf_program_status"],"field_qsc_member_acf_start_year":["2013"],"_field_qsc_member_acf_start_year":["qsc_member_acf_start_year"],"field_qsc_member_acf_end_year":[""],"_field_qsc_member_acf_end_year":["qsc_member_acf_end_year"],"_uag_css_file_name":["uag-css-2467.css"],"_uag_page_assets":["a:9:{s:3:\"css\";s:263:\".uag-blocks-common-selector{z-index:var(--z-index-desktop) !important}@media (max-width: 976px){.uag-blocks-common-selector{z-index:var(--z-index-tablet) !important}}@media (max-width: 767px){.uag-blocks-common-selector{z-index:var(--z-index-mobile) !important}}\n\";s:2:\"js\";s:0:\"\";s:18:\"current_block_list\";a:7:{i:0;s:11:\"core\/search\";i:1;s:10:\"core\/group\";i:2;s:12:\"core\/heading\";i:3;s:17:\"core\/latest-posts\";i:4;s:20:\"core\/latest-comments\";i:5;s:13:\"core\/archives\";i:6;s:15:\"core\/categories\";}s:8:\"uag_flag\";b:0;s:11:\"uag_version\";s:10:\"1771033544\";s:6:\"gfonts\";a:0:{}s:10:\"gfonts_url\";s:0:\"\";s:12:\"gfonts_files\";a:0:{}s:14:\"uag_faq_layout\";b:0;}"]},"uagb_featured_image_src":{"full":false,"thumbnail":false,"medium":false,"medium_large":false,"large":false,"1536x1536":false,"2048x2048":false},"uagb_author_info":{"display_name":"Doug Martin","author_link":"https:\/\/labs.cs.queensu.ca\/perklab\/author\/"},"uagb_comment_info":0,"uagb_excerpt":"Ryan Walsh Undergraduate Student Queen&#8217;s University Member from 2013 to present Soehl, Marie; Walsh, Ryan; Rankin, Adam; Lasso, Andras; Fichtinger, GaborTracked ultrasound calibration studies with a phantom made of LEGO(r) bricks Conference SPIE Medical Imaging 2014, vol. 9036, San Diego, United States, March 12, 2014, 2014.Links | BibTeX@conference{Soehl2014, title = {Tracked ultrasound calibration studies with&hellip;","_links":{"self":[{"href":"https:\/\/labs.cs.queensu.ca\/perklab\/wp-json\/wp\/v2\/qsc_member\/2467","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":0,"href":"https:\/\/labs.cs.queensu.ca\/perklab\/wp-json\/wp\/v2\/qsc_member\/2467\/revisions"}],"wp:attachment":[{"href":"https:\/\/labs.cs.queensu.ca\/perklab\/wp-json\/wp\/v2\/media?parent=2467"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}