{"id":620,"date":"2022-01-07T14:32:54","date_gmt":"2022-01-07T13:32:54","guid":{"rendered":"https:\/\/www.geovast3d.com\/flyvast-wordpress\/?p=620"},"modified":"2022-01-27T11:23:22","modified_gmt":"2022-01-27T10:23:22","slug":"voxel-based-3d-point-cloud-semantic-segmentation-unsupervised-geometric-and-relationship-featuring","status":"publish","type":"post","link":"https:\/\/www.geovast3d.com\/flyvast-wordpress\/2022\/01\/07\/voxel-based-3d-point-cloud-semantic-segmentation-unsupervised-geometric-and-relationship-featuring\/","title":{"rendered":"Voxel-Based 3D Point Cloud Semantic Segmentation: Unsupervised Geometric and Relationship Featuring"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"620\" class=\"elementor elementor-620\">\n\t\t\t\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-76b6a43 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"76b6a43\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-66 elementor-top-column elementor-element elementor-element-46df0d6\" data-id=\"46df0d6\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-86db4e4 elementor-widget elementor-widget-spacer\" data-id=\"86db4e4\" data-element_type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<style>\/*! elementor - v3.6.4 - 13-04-2022 *\/\n.e-container.e-container--row .elementor-spacer-inner{width:var(--spacer-size)}.e-container.e-container--column .elementor-spacer-inner,.elementor-column .elementor-spacer-inner{height:var(--spacer-size)}<\/style>\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-fd7ea1b elementor-widget elementor-widget-text-editor\" data-id=\"fd7ea1b\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<style>\/*! elementor - v3.6.4 - 13-04-2022 *\/\n.elementor-widget-text-editor.elementor-drop-cap-view-stacked .elementor-drop-cap{background-color:#818a91;color:#fff}.elementor-widget-text-editor.elementor-drop-cap-view-framed .elementor-drop-cap{color:#818a91;border:3px solid;background-color:transparent}.elementor-widget-text-editor:not(.elementor-drop-cap-view-default) .elementor-drop-cap{margin-top:8px}.elementor-widget-text-editor:not(.elementor-drop-cap-view-default) .elementor-drop-cap-letter{width:1em;height:1em}.elementor-widget-text-editor .elementor-drop-cap{float:left;text-align:center;line-height:1;font-size:50px}.elementor-widget-text-editor .elementor-drop-cap-letter{display:inline-block}<\/style>\t\t\t\t<div data-draftjs-conductor-fragment=\"{&quot;blocks&quot;:[{&quot;key&quot;:&quot;ikmt&quot;,&quot;text&quot;:&quot;May 2019 - International Journal of Geo-Information&quot;,&quot;type&quot;:&quot;unstyled&quot;,&quot;depth&quot;:0,&quot;inlineStyleRanges&quot;:[],&quot;entityRanges&quot;:[],&quot;data&quot;:{&quot;dynamicStyles&quot;:{&quot;line-height&quot;:&quot;1.3&quot;}}},{&quot;key&quot;:&quot;ft6t8&quot;,&quot;text&quot;:&quot;Project: The Smart Point Cloud&quot;,&quot;type&quot;:&quot;unstyled&quot;,&quot;depth&quot;:0,&quot;inlineStyleRanges&quot;:[{&quot;offset&quot;:9,&quot;length&quot;:21,&quot;style&quot;:&quot;UNDERLINE&quot;}],&quot;entityRanges&quot;:[],&quot;data&quot;:{}},{&quot;key&quot;:&quot;9vtq0&quot;,&quot;text&quot;:&quot;Lab: Geomatics Unit&quot;,&quot;type&quot;:&quot;unstyled&quot;,&quot;depth&quot;:0,&quot;inlineStyleRanges&quot;:[{&quot;offset&quot;:5,&quot;length&quot;:14,&quot;style&quot;:&quot;UNDERLINE&quot;}],&quot;entityRanges&quot;:[],&quot;data&quot;:{}},{&quot;key&quot;:&quot;fc16p&quot;,&quot;text&quot;:&quot;&quot;,&quot;type&quot;:&quot;unstyled&quot;,&quot;depth&quot;:0,&quot;inlineStyleRanges&quot;:[],&quot;entityRanges&quot;:[],&quot;data&quot;:{}}],&quot;entityMap&quot;:{},&quot;VERSION&quot;:&quot;8.66.8&quot;}\"><div class=\"_25Ehb _3qYRK Zn7O0 public-DraftStyleDefault-block-depth0 public-DraftStyleDefault-text-ltr fixed-tab-size rich_content_line-height-1_3 rich_content_P\" data-block=\"true\" data-editor=\"editor\" data-offset-key=\"foo-0-0\"><div class=\"public-DraftStyleDefault-block public-DraftStyleDefault-ltr\" data-offset-key=\"foo-0-0\"><span data-offset-key=\"foo-0-0\"><span style=\"text-decoration: underline;\">May 2019<\/span> &#8211; International Journal of Geo-Information<\/span><\/div><\/div><div class=\"_25Ehb _3qYRK Zn7O0 public-DraftStyleDefault-block-depth0 public-DraftStyleDefault-text-ltr fixed-tab-size rich_content_P\" data-block=\"true\" data-editor=\"editor\" data-offset-key=\"81ta5-0-0\"><div class=\"public-DraftStyleDefault-block public-DraftStyleDefault-ltr\" data-offset-key=\"81ta5-0-0\"><span data-offset-key=\"81ta5-0-0\"><span style=\"text-decoration: underline;\">Project<\/span>: <\/span><span data-offset-key=\"81ta5-0-1\">The Smart Point Cloud<\/span><\/div><\/div><div class=\"_25Ehb _3qYRK Zn7O0 public-DraftStyleDefault-block-depth0 public-DraftStyleDefault-text-ltr fixed-tab-size rich_content_P\" data-block=\"true\" data-editor=\"editor\" data-offset-key=\"80rjh-0-0\"><div class=\"public-DraftStyleDefault-block public-DraftStyleDefault-ltr\" data-offset-key=\"80rjh-0-0\"><span data-offset-key=\"80rjh-0-0\"><span style=\"text-decoration: underline;\">Lab<\/span>: <\/span><span data-offset-key=\"80rjh-0-1\">Geomatics Unit<\/span><\/div><\/div><\/div>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-33 elementor-top-column elementor-element elementor-element-f1f9d01\" data-id=\"f1f9d01\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-642564e elementor-widget elementor-widget-text-editor\" data-id=\"642564e\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div data-draftjs-conductor-fragment=\"{&quot;blocks&quot;:[{&quot;key&quot;:&quot;3r680&quot;,&quot;text&quot;:&quot;Florent Poux&quot;,&quot;type&quot;:&quot;unordered-list-item&quot;,&quot;depth&quot;:0,&quot;inlineStyleRanges&quot;:[{&quot;offset&quot;:0,&quot;length&quot;:12,&quot;style&quot;:&quot;{\\&quot;FG\\&quot;:\\&quot;#2db6d4\\&quot;}&quot;}],&quot;entityRanges&quot;:[{&quot;offset&quot;:0,&quot;length&quot;:12,&quot;key&quot;:0}],&quot;data&quot;:{}},{&quot;key&quot;:&quot;4upq3&quot;,&quot;text&quot;:&quot;Roland Billen&quot;,&quot;type&quot;:&quot;unordered-list-item&quot;,&quot;depth&quot;:0,&quot;inlineStyleRanges&quot;:[{&quot;offset&quot;:0,&quot;length&quot;:13,&quot;style&quot;:&quot;{\\&quot;FG\\&quot;:\\&quot;#2db6d4\\&quot;}&quot;}],&quot;entityRanges&quot;:[{&quot;offset&quot;:0,&quot;length&quot;:13,&quot;key&quot;:1}],&quot;data&quot;:{}},{&quot;key&quot;:&quot;2fep5&quot;,&quot;text&quot;:&quot;&quot;,&quot;type&quot;:&quot;header-three&quot;,&quot;depth&quot;:0,&quot;inlineStyleRanges&quot;:[],&quot;entityRanges&quot;:[],&quot;data&quot;:{}}],&quot;entityMap&quot;:{&quot;0&quot;:{&quot;type&quot;:&quot;LINK&quot;,&quot;mutability&quot;:&quot;MUTABLE&quot;,&quot;data&quot;:{&quot;target&quot;:&quot;_blank&quot;,&quot;rel&quot;:&quot;&quot;,&quot;url&quot;:&quot;https:\/\/www.researchgate.net\/profile\/Florent-Poux?_sg%5B0%5D=zcdwmM_qPQd9ot8t5HuB-0E6wbKlqNJmzLvi5dXXynldlJ5FtLXHtZai5BWaad005K6Jugg.Ige3NureBFz03Fx4kHUpPqj_bmpvkH8h_uosrHVevMeoQliDzTYD5mQnMWvQTUxOTF1n3xIHJCBjGNIlPTmbNw.NITVmKXe6w1PsXrGLKJhirK_aNF4ZJAdM39jWw_59n8XrWJOzGCiUUKG6BAefy7wZrrq2w2gUegQ3HRf-v1Uag&amp;_sg%5B1%5D=uKRbPFwdVUFl2M08ydi7DJPbNONUI7g-dMW8PwDjMOj1IqnIzPkDHjCYd4ZOVv30GRMwJVc.fohVVJPqBdGj2_ArbqBPNxI-xicM4AOWyEThjzQsc5nvRgouudYAxk5PEJog1tjY9E2zTL73vGC5OW77xb0kbw&quot;}},&quot;1&quot;:{&quot;type&quot;:&quot;LINK&quot;,&quot;mutability&quot;:&quot;MUTABLE&quot;,&quot;data&quot;:{&quot;target&quot;:&quot;_blank&quot;,&quot;rel&quot;:&quot;&quot;,&quot;url&quot;:&quot;https:\/\/www.researchgate.net\/profile\/Roland-Billen?_sg%5B0%5D=zcdwmM_qPQd9ot8t5HuB-0E6wbKlqNJmzLvi5dXXynldlJ5FtLXHtZai5BWaad005K6Jugg.Ige3NureBFz03Fx4kHUpPqj_bmpvkH8h_uosrHVevMeoQliDzTYD5mQnMWvQTUxOTF1n3xIHJCBjGNIlPTmbNw.NITVmKXe6w1PsXrGLKJhirK_aNF4ZJAdM39jWw_59n8XrWJOzGCiUUKG6BAefy7wZrrq2w2gUegQ3HRf-v1Uag&amp;_sg%5B1%5D=uKRbPFwdVUFl2M08ydi7DJPbNONUI7g-dMW8PwDjMOj1IqnIzPkDHjCYd4ZOVv30GRMwJVc.fohVVJPqBdGj2_ArbqBPNxI-xicM4AOWyEThjzQsc5nvRgouudYAxk5PEJog1tjY9E2zTL73vGC5OW77xb0kbw&quot;}}},&quot;VERSION&quot;:&quot;8.66.8&quot;}\"><ul class=\"public-DraftStyleDefault-ul\" data-offset-key=\"636k0-0-0\"><li class=\"MIezR Zn7O0 _2zLWO public-DraftStyleDefault-list-ltr rich-content-UL public-DraftStyleDefault-unorderedListItem public-DraftStyleDefault-reset public-DraftStyleDefault-depth0 public-DraftStyleDefault-listLTR\" data-block=\"true\" data-editor=\"editor\" data-offset-key=\"636k0-0-0\"><div class=\"public-DraftStyleDefault-block public-DraftStyleDefault-ltr\" data-offset-key=\"636k0-0-0\"><a class=\"_3Bkfb _1lsz7\" href=\"https:\/\/www.researchgate.net\/profile\/Florent-Poux?_sg%5B0%5D=zcdwmM_qPQd9ot8t5HuB-0E6wbKlqNJmzLvi5dXXynldlJ5FtLXHtZai5BWaad005K6Jugg.Ige3NureBFz03Fx4kHUpPqj_bmpvkH8h_uosrHVevMeoQliDzTYD5mQnMWvQTUxOTF1n3xIHJCBjGNIlPTmbNw.NITVmKXe6w1PsXrGLKJhirK_aNF4ZJAdM39jWw_59n8XrWJOzGCiUUKG6BAefy7wZrrq2w2gUegQ3HRf-v1Uag&amp;_sg%5B1%5D=uKRbPFwdVUFl2M08ydi7DJPbNONUI7g-dMW8PwDjMOj1IqnIzPkDHjCYd4ZOVv30GRMwJVc.fohVVJPqBdGj2_ArbqBPNxI-xicM4AOWyEThjzQsc5nvRgouudYAxk5PEJog1tjY9E2zTL73vGC5OW77xb0kbw\" target=\"_blank\" rel=\"noopener noreferrer\" data-hook=\"linkViewer\"><span data-offset-key=\"636k0-0-0\">Florent Poux<\/span><\/a><\/div><\/li><li class=\"MIezR Zn7O0 _2zLWO public-DraftStyleDefault-list-ltr rich-content-UL public-DraftStyleDefault-unorderedListItem public-DraftStyleDefault-depth0 public-DraftStyleDefault-listLTR\" data-block=\"true\" data-editor=\"editor\" data-offset-key=\"4shla-0-0\"><div class=\"public-DraftStyleDefault-block public-DraftStyleDefault-ltr\" data-offset-key=\"4shla-0-0\"><a class=\"_3Bkfb _1lsz7\" href=\"https:\/\/www.researchgate.net\/profile\/Roland-Billen?_sg%5B0%5D=zcdwmM_qPQd9ot8t5HuB-0E6wbKlqNJmzLvi5dXXynldlJ5FtLXHtZai5BWaad005K6Jugg.Ige3NureBFz03Fx4kHUpPqj_bmpvkH8h_uosrHVevMeoQliDzTYD5mQnMWvQTUxOTF1n3xIHJCBjGNIlPTmbNw.NITVmKXe6w1PsXrGLKJhirK_aNF4ZJAdM39jWw_59n8XrWJOzGCiUUKG6BAefy7wZrrq2w2gUegQ3HRf-v1Uag&amp;_sg%5B1%5D=uKRbPFwdVUFl2M08ydi7DJPbNONUI7g-dMW8PwDjMOj1IqnIzPkDHjCYd4ZOVv30GRMwJVc.fohVVJPqBdGj2_ArbqBPNxI-xicM4AOWyEThjzQsc5nvRgouudYAxk5PEJog1tjY9E2zTL73vGC5OW77xb0kbw\" target=\"_blank\" rel=\"noopener noreferrer\" data-hook=\"linkViewer\"><span data-offset-key=\"4shla-0-0\">Roland Billen<\/span><\/a><\/div><\/li><\/ul><\/div>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-99832f3 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"99832f3\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-b896538\" data-id=\"b896538\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-2d5909d elementor-widget elementor-widget-spacer\" data-id=\"2d5909d\" data-element_type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c013e21 elementor-widget elementor-widget-image\" data-id=\"c013e21\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<style>\/*! elementor - v3.6.4 - 13-04-2022 *\/\n.elementor-widget-image{text-align:center}.elementor-widget-image a{display:inline-block}.elementor-widget-image a img[src$=\".svg\"]{width:48px}.elementor-widget-image img{vertical-align:middle;display:inline-block}<\/style>\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" src=\"https:\/\/i.imgur.com\/0me2gzu.png\" title=\"\" alt=\"\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-b52c756 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"b52c756\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-16 elementor-top-column elementor-element elementor-element-8c449bf\" data-id=\"8c449bf\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-66 elementor-top-column elementor-element elementor-element-2a92cab\" data-id=\"2a92cab\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-a1e8ad5 elementor-widget elementor-widget-spacer\" data-id=\"a1e8ad5\" data-element_type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-33a72ea elementor-widget elementor-widget-heading\" data-id=\"33a72ea\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<style>\/*! elementor - v3.6.4 - 13-04-2022 *\/\n.elementor-heading-title{padding:0;margin:0;line-height:1}.elementor-widget-heading .elementor-heading-title[class*=elementor-size-]>a{color:inherit;font-size:inherit;line-height:inherit}.elementor-widget-heading .elementor-heading-title.elementor-size-small{font-size:15px}.elementor-widget-heading .elementor-heading-title.elementor-size-medium{font-size:19px}.elementor-widget-heading .elementor-heading-title.elementor-size-large{font-size:29px}.elementor-widget-heading .elementor-heading-title.elementor-size-xl{font-size:39px}.elementor-widget-heading .elementor-heading-title.elementor-size-xxl{font-size:59px}<\/style><h2 class=\"elementor-heading-title elementor-size-large\">Abstract and figures<\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d20ae47 elementor-widget elementor-widget-text-editor\" data-id=\"d20ae47\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div data-draftjs-conductor-fragment=\"{\"><span data-offset-key=\"6at5k-0-0\">Automation<\/span> <span data-offset-key=\"6at5k-2-0\">in<\/span> <span data-offset-key=\"6at5k-4-0\">point<\/span> <span data-offset-key=\"6at5k-6-0\">cloud<\/span> <span data-offset-key=\"6at5k-8-0\">data<\/span> <span data-offset-key=\"6at5k-10-0\">processing<\/span> <span data-offset-key=\"6at5k-12-0\">is<\/span> <span data-offset-key=\"6at5k-14-0\">central<\/span> <span data-offset-key=\"6at5k-16-0\">in<\/span> <span data-offset-key=\"6at5k-18-0\">knowledge<\/span> <span data-offset-key=\"6at5k-20-0\">discovery<\/span> <span data-offset-key=\"6at5k-22-0\">within<\/span> <span data-offset-key=\"6at5k-24-0\">decision-making<\/span> <span data-offset-key=\"6at5k-26-0\">systems.<\/span><\/div><div data-draftjs-conductor-fragment=\"{\"><div data-draftjs-conductor-fragment=\"{\"><span data-offset-key=\"6at5k-28-0\">The<\/span> <span data-offset-key=\"6at5k-30-0\">definition<\/span> <span data-offset-key=\"6at5k-32-0\">of<\/span> <span data-offset-key=\"6at5k-34-0\">relevant<\/span> <span data-offset-key=\"6at5k-36-0\">features<\/span> <span data-offset-key=\"6at5k-38-0\">is<\/span> <span data-offset-key=\"6at5k-40-0\">often<\/span> <span data-offset-key=\"6at5k-42-0\">key<\/span> <span data-offset-key=\"6at5k-44-0\">for<\/span> <span data-offset-key=\"6at5k-46-0\">segmentation<\/span> <span data-offset-key=\"6at5k-48-0\">and<\/span> <span data-offset-key=\"6at5k-50-0\">classification,<\/span> <span data-offset-key=\"6at5k-52-0\">with<\/span> <span data-offset-key=\"6at5k-54-0\">automated<\/span> <span data-offset-key=\"6at5k-56-0\">workflows<\/span> <span data-offset-key=\"6at5k-58-0\">presenting<\/span><span data-offset-key=\"6at5k-60-0\">the<\/span> <span data-offset-key=\"6at5k-62-0\">main<\/span> <span data-offset-key=\"6at5k-64-0\">challenges.<\/span> <span data-offset-key=\"6at5k-66-0\">In<\/span> <span data-offset-key=\"6at5k-68-0\">this<\/span> <span data-offset-key=\"6at5k-70-0\">paper,<\/span> <span data-offset-key=\"6at5k-72-0\">we<\/span> <span data-offset-key=\"6at5k-74-0\">propose<\/span> <span data-offset-key=\"6at5k-76-0\">a<\/span> <span data-offset-key=\"6at5k-78-0\">voxel-based<\/span> <span data-offset-key=\"6at5k-80-0\">feature<\/span> <span data-offset-key=\"6at5k-82-0\">engineering<\/span> <span data-offset-key=\"6at5k-84-0\">that<\/span> <span data-offset-key=\"6at5k-86-0\">better<\/span> <span data-offset-key=\"6at5k-88-0\">characterize<\/span> <span data-offset-key=\"6at5k-90-0\">point<\/span> <span data-offset-key=\"6at5k-92-0\">clusters<\/span> <span data-offset-key=\"6at5k-94-0\">and<\/span><span data-offset-key=\"6at5k-96-0\">provide<\/span> <span data-offset-key=\"6at5k-98-0\">strong<\/span> <span data-offset-key=\"6at5k-100-0\">support<\/span> <span data-offset-key=\"6at5k-102-0\">to<\/span> <span data-offset-key=\"6at5k-104-0\">supervised<\/span> <span data-offset-key=\"6at5k-106-0\">or<\/span> <span data-offset-key=\"6at5k-108-0\">unsupervised<\/span> <span data-offset-key=\"6at5k-110-0\">classification.<\/span><\/div><div data-draftjs-conductor-fragment=\"{\"><div data-draftjs-conductor-fragment=\"{\"><span data-offset-key=\"6at5k-112-0\">We<\/span> <span data-offset-key=\"6at5k-114-0\">provide<\/span> <span data-offset-key=\"6at5k-116-0\">different<\/span> <span data-offset-key=\"6at5k-118-0\">feature<\/span> <span data-offset-key=\"6at5k-120-0\">generalization<\/span> <span data-offset-key=\"6at5k-122-0\">levels<\/span> <span data-offset-key=\"6at5k-124-0\">to<\/span> <span data-offset-key=\"6at5k-126-0\">permit<\/span> <span data-offset-key=\"6at5k-128-0\">interoperable<\/span> <span data-offset-key=\"6at5k-130-0\">frameworks.<\/span> <span data-offset-key=\"6at5k-132-0\">First,<\/span> <span data-offset-key=\"6at5k-134-0\">we<\/span> <span data-offset-key=\"6at5k-136-0\">recommend<\/span> <span data-offset-key=\"6at5k-138-0\">a<\/span> <span data-offset-key=\"6at5k-140-0\">shape-based<\/span> <span data-offset-key=\"6at5k-142-0\">feature<\/span> <span data-offset-key=\"6at5k-144-0\">set<\/span> <span data-offset-key=\"6at5k-146-0\">(SF1)<\/span> <span data-offset-key=\"6at5k-148-0\">that<\/span> <span data-offset-key=\"6at5k-150-0\">only<\/span> <span data-offset-key=\"6at5k-152-0\">leverages<\/span> <span data-offset-key=\"6at5k-154-0\">the<\/span> <span data-offset-key=\"6at5k-156-0\">raw<\/span> <span data-offset-key=\"6at5k-158-0\">X,<\/span> <span data-offset-key=\"6at5k-160-0\">Y,<\/span> <span data-offset-key=\"6at5k-162-0\">Z<\/span> <span data-offset-key=\"6at5k-164-0\">attributes<\/span> <span data-offset-key=\"6at5k-166-0\">of<\/span> <span data-offset-key=\"6at5k-168-0\">any<\/span> <span data-offset-key=\"6at5k-170-0\">point<\/span> <span data-offset-key=\"6at5k-172-0\">cloud.<\/span> <span data-offset-key=\"6at5k-174-0\">Afterwards,<\/span> <span data-offset-key=\"6at5k-176-0\">we<\/span> <span data-offset-key=\"6at5k-178-0\">derive<\/span><span data-offset-key=\"6at5k-180-0\">relationship<\/span> <span data-offset-key=\"6at5k-182-0\">and<\/span> <span data-offset-key=\"6at5k-184-0\">topology<\/span> <span data-offset-key=\"6at5k-186-0\">between<\/span> <span data-offset-key=\"6at5k-188-0\">voxel<\/span> <span data-offset-key=\"6at5k-190-0\">entities<\/span> <span data-offset-key=\"6at5k-192-0\">to<\/span> <span data-offset-key=\"6at5k-194-0\">obtain<\/span> <span data-offset-key=\"6at5k-196-0\">a<\/span> <span data-offset-key=\"6at5k-198-0\">three-dimensional<\/span> <span data-offset-key=\"6at5k-200-0\">(3D)<\/span> <span data-offset-key=\"6at5k-202-0\">structural<\/span> <span data-offset-key=\"6at5k-204-0\">connectivity<\/span> <span data-offset-key=\"6at5k-206-0\">feature<\/span> <span data-offset-key=\"6at5k-208-0\">set<\/span><span data-offset-key=\"6at5k-210-0\">(SF2).<\/span> <span data-offset-key=\"6at5k-212-0\">Finally,<\/span> <span data-offset-key=\"6at5k-214-0\">we<\/span> <span data-offset-key=\"6at5k-216-0\">provide<\/span> <span data-offset-key=\"6at5k-218-0\">a<\/span> <span data-offset-key=\"6at5k-220-0\">knowledge-based<\/span> <span data-offset-key=\"6at5k-222-0\">decision<\/span> <span data-offset-key=\"6at5k-224-0\">tree<\/span> <span data-offset-key=\"6at5k-226-0\">to<\/span> <span data-offset-key=\"6at5k-228-0\">permit<\/span> <span data-offset-key=\"6at5k-230-0\">infrastructure-related<\/span> <span data-offset-key=\"6at5k-232-0\">classification.<\/span><\/div><div data-draftjs-conductor-fragment=\"{\"><div data-draftjs-conductor-fragment=\"{\"><span data-offset-key=\"6at5k-234-0\">We<\/span> <span data-offset-key=\"6at5k-236-0\">study<\/span> <span data-offset-key=\"6at5k-238-0\">SF1\/SF2<\/span> <span data-offset-key=\"6at5k-240-0\">synergy<\/span> <span data-offset-key=\"6at5k-242-0\">on<\/span> <span data-offset-key=\"6at5k-244-0\">a<\/span> <span data-offset-key=\"6at5k-246-0\">new<\/span> <span data-offset-key=\"6at5k-248-0\">semantic<\/span> <span data-offset-key=\"6at5k-250-0\">segmentation<\/span> <span data-offset-key=\"6at5k-252-0\">framework<\/span> <span data-offset-key=\"6at5k-254-0\">for<\/span> <span data-offset-key=\"6at5k-256-0\">the<\/span> <span data-offset-key=\"6at5k-258-0\">constitution<\/span> <span data-offset-key=\"6at5k-260-0\">of<\/span> <span data-offset-key=\"6at5k-262-0\">a<\/span> <span data-offset-key=\"6at5k-264-0\">higher<\/span> <span data-offset-key=\"6at5k-266-0\">semantic<\/span><span data-offset-key=\"6at5k-268-0\">representation<\/span> <span data-offset-key=\"6at5k-270-0\">of<\/span> <span data-offset-key=\"6at5k-272-0\">point<\/span> <span data-offset-key=\"6at5k-274-0\">clouds<\/span> <span data-offset-key=\"6at5k-276-0\">in<\/span> <span data-offset-key=\"6at5k-278-0\">relevant<\/span> <span data-offset-key=\"6at5k-280-0\">clusters.<\/span><\/div><div data-draftjs-conductor-fragment=\"{\"><div data-draftjs-conductor-fragment=\"{\"><span data-offset-key=\"6at5k-282-0\">Finally,<\/span> <span data-offset-key=\"6at5k-284-0\">we<\/span> <span data-offset-key=\"6at5k-286-0\">benchmark<\/span> <span data-offset-key=\"6at5k-288-0\">the<\/span> <span data-offset-key=\"6at5k-290-0\">approach<\/span> <span data-offset-key=\"6at5k-292-0\">against<\/span> <span data-offset-key=\"6at5k-294-0\">novel<\/span> <span data-offset-key=\"6at5k-296-0\">and<\/span> <span data-offset-key=\"6at5k-298-0\">best-performing<\/span> <span data-offset-key=\"6at5k-300-0\">deep-learning<\/span> <span data-offset-key=\"6at5k-302-0\">methods<\/span> <span data-offset-key=\"6at5k-304-0\">while<\/span> <span data-offset-key=\"6at5k-306-0\">using<\/span> <span data-offset-key=\"6at5k-308-0\">the<\/span> <span data-offset-key=\"6at5k-310-0\">full<\/span> <span data-offset-key=\"6at5k-312-0\">S3DIS<\/span><span data-offset-key=\"6at5k-314-0\">dataset.\u00a0<\/span><span data-offset-key=\"6at5k-316-0\">We<\/span> <span data-offset-key=\"6at5k-318-0\">highlight<\/span> <span data-offset-key=\"6at5k-320-0\">good<\/span> <span data-offset-key=\"6at5k-322-0\">performances,<\/span> <span data-offset-key=\"6at5k-324-0\">easy-integration,<\/span> <span data-offset-key=\"6at5k-326-0\">and<\/span> <span data-offset-key=\"6at5k-328-0\">high<\/span> <span data-offset-key=\"6at5k-330-0\"><span data-offset-key=\"6at5k-330-0\">F1-score (&gt;85%)\u00a0<\/span><\/span><span data-offset-key=\"6at5k-336-0\">for<\/span> <span data-offset-key=\"6at5k-338-0\">planar-dominant<\/span> <span data-offset-key=\"6at5k-340-0\">classes<\/span> <span data-offset-key=\"6at5k-342-0\">that<\/span> <span data-offset-key=\"6at5k-344-0\">are<\/span> <span data-offset-key=\"6at5k-346-0\">comparable<\/span> <span data-offset-key=\"6at5k-348-0\">to<\/span> <span data-offset-key=\"6at5k-350-0\">state-of-the-art<\/span> <span data-offset-key=\"6at5k-352-0\">deep<\/span> <span data-offset-key=\"6at5k-354-0\">learning.<\/span><\/div><\/div><\/div><\/div><\/div>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e2ab44e elementor-widget elementor-widget-spacer\" data-id=\"e2ab44e\" data-element_type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4164dc4 elementor-widget elementor-widget-image\" data-id=\"4164dc4\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" src=\"https:\/\/i.imgur.com\/KJIIR6P.jpg\" title=\"\" alt=\"\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5c913a2 elementor-widget elementor-widget-text-editor\" data-id=\"5c913a2\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p class=\"nova-legacy-e-text nova-legacy-e-text--size-m nova-legacy-e-text--family-sans-serif nova-legacy-e-text--spacing-none nova-legacy-e-text--color-inherit\"><em>Point Cloud and its extracted voxel structure, where each octree level represents the grid voxels, each subdivided in subsequent eight voxel children.<\/em><\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-cb4fec0 elementor-widget elementor-widget-text-editor\" data-id=\"cb4fec0\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p><a href=\"https:\/\/www.researchgate.net\/publication\/332997426_Voxel-Based_3D_Point_Cloud_Semantic_Segmentation_Unsupervised_Geometric_and_Relationship_Featuring_vs_Deep_Learning_Methods\">En savoir plus&#8230;<\/a><\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3e85818 elementor-widget elementor-widget-spacer\" data-id=\"3e85818\" data-element_type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-16 elementor-top-column elementor-element elementor-element-b5b3346\" data-id=\"b5b3346\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>May 2019 &#8211; International Journal of Geo-InformationProject: The Smart Point CloudLab: Geomatics Unit Florent Poux Roland Billen Abstract and figures Automation in point cloud data processing is central in knowledge discovery within decision-making systems.The definition of relevant features is often key for segmentation and classification, with automated workflows presentingthe main challenges. In this paper, we [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[12],"tags":[15,16],"class_list":["post-620","post","type-post","status-publish","format-standard","hentry","category-articles-scientifiques","tag-3d","tag-nuage-de-point","entry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v18.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Voxel-Based 3D Point Cloud Semantic Segmentation: Unsupervised Geometric and Relationship Featuring - Flyvast<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.geovast3d.com\/flyvast-wordpress\/2022\/01\/07\/voxel-based-3d-point-cloud-semantic-segmentation-unsupervised-geometric-and-relationship-featuring\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Voxel-Based 3D Point Cloud Semantic Segmentation: Unsupervised Geometric and Relationship Featuring - Flyvast\" \/>\n<meta property=\"og:description\" content=\"May 2019 &#8211; International Journal of Geo-InformationProject: The Smart Point CloudLab: Geomatics Unit Florent Poux Roland Billen Abstract and figures Automation in point cloud data processing is central in knowledge discovery within decision-making systems.The definition of relevant features is often key for segmentation and classification, with automated workflows presentingthe main challenges. 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