{"id":1222,"date":"2015-04-22T11:52:02","date_gmt":"2015-04-22T11:52:02","guid":{"rendered":"http:\/\/dev.leonardopavanatto.com\/3di\/?p=1222"},"modified":"2020-12-09T19:45:27","modified_gmt":"2020-12-09T19:45:27","slug":"slicenswipe-annotation-of-point-clouds-using-free-hand-gestures","status":"publish","type":"post","link":"https:\/\/wordpress.cs.vt.edu\/3digroup\/2015\/04\/22\/slicenswipe-annotation-of-point-clouds-using-free-hand-gestures\/","title":{"rendered":"Slice&#8217;n&#8217;Swipe: Annotation of Point Clouds using Free-Hand Gestures"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Inspired by the current generation of &#8220;natural user interface&#8221; technologies, we designed a set of tools for 3D point cloud annotation based on free-hand gesture input. Our techniques include a chef\u2019s knife metaphor to cut the point cloud and swipe away unwanted parts, a resizable volumetric cursor to specify complex 3D shapes, and a lasso tool to draw a selection outline. These tools are used interchangeably through progressive refinement to allow the user to specify points of interest and annotate.&nbsp;<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"Slice-n-Swipe: A Free-Hand Gesture User Interface for 3D Point Cloud Annotation\" width=\"1778\" height=\"1000\" src=\"https:\/\/www.youtube.com\/embed\/lVhnlgKCOB4?modestbranding=1\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>Inspired by the current generation of &#8220;natural user interface&#8221; technologies, we designed a set of tools for 3D point cloud annotation based on free-hand gesture input. Our techniques include a chef\u2019s knife metaphor to cut the point cloud and swipe away unwanted parts, a resizable volumetric cursor to specify complex 3D shapes, and a lasso <a href=\"https:\/\/wordpress.cs.vt.edu\/3digroup\/2015\/04\/22\/slicenswipe-annotation-of-point-clouds-using-free-hand-gestures\/\" class=\"more-link\">&#8230;<\/a><\/p>\n","protected":false},"author":331,"featured_media":1223,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[11],"tags":[29,62],"ppma_author":[429,419,430,391],"class_list":["post-1222","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-projects","tag-bare-hand-gestures","tag-progressive-refinement"],"jetpack_featured_media_url":"https:\/\/wordpress.cs.vt.edu\/3digroup\/wp-content\/uploads\/sites\/141\/2020\/10\/IMGP2669-cropped-scaled-1.jpg","authors":[{"term_id":429,"user_id":0,"is_guest":1,"slug":"felipe-bacim","display_name":"Felipe Bacim","avatar_url":"https:\/\/secure.gravatar.com\/avatar\/?s=96&d=mm&r=g","0":null,"1":"","2":"","3":"","4":"","5":"","6":"","7":"","8":""},{"term_id":419,"user_id":0,"is_guest":1,"slug":"mahdi-nabiyouni","display_name":"Mahdi Nabiyouni","avatar_url":"https:\/\/secure.gravatar.com\/avatar\/?s=96&d=mm&r=g","0":null,"1":"","2":"","3":"","4":"","5":"","6":"","7":"","8":""},{"term_id":430,"user_id":0,"is_guest":1,"slug":"cristian-moral-martos","display_name":"Cristian Moral Martos","avatar_url":"https:\/\/secure.gravatar.com\/avatar\/?s=96&d=mm&r=g","0":null,"1":"","2":"","3":"","4":"","5":"","6":"","7":"","8":""},{"term_id":391,"user_id":331,"is_guest":0,"slug":"dbowman","display_name":"Doug Bowman","avatar_url":{"url":"https:\/\/wordpress.cs.vt.edu\/3digroup\/wp-content\/uploads\/sites\/141\/2021\/01\/professional_photo2_2019-cropped-square-smaller-scaled.jpg","url2x":"https:\/\/wordpress.cs.vt.edu\/3digroup\/wp-content\/uploads\/sites\/141\/2021\/01\/professional_photo2_2019-cropped-square-smaller-scaled.jpg"},"0":null,"1":"","2":"","3":"","4":"","5":"","6":"","7":"","8":""}],"_links":{"self":[{"href":"https:\/\/wordpress.cs.vt.edu\/3digroup\/wp-json\/wp\/v2\/posts\/1222","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/wordpress.cs.vt.edu\/3digroup\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/wordpress.cs.vt.edu\/3digroup\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/wordpress.cs.vt.edu\/3digroup\/wp-json\/wp\/v2\/users\/331"}],"replies":[{"embeddable":true,"href":"https:\/\/wordpress.cs.vt.edu\/3digroup\/wp-json\/wp\/v2\/comments?post=1222"}],"version-history":[{"count":2,"href":"https:\/\/wordpress.cs.vt.edu\/3digroup\/wp-json\/wp\/v2\/posts\/1222\/revisions"}],"predecessor-version":[{"id":2256,"href":"https:\/\/wordpress.cs.vt.edu\/3digroup\/wp-json\/wp\/v2\/posts\/1222\/revisions\/2256"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/wordpress.cs.vt.edu\/3digroup\/wp-json\/wp\/v2\/media\/1223"}],"wp:attachment":[{"href":"https:\/\/wordpress.cs.vt.edu\/3digroup\/wp-json\/wp\/v2\/media?parent=1222"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/wordpress.cs.vt.edu\/3digroup\/wp-json\/wp\/v2\/categories?post=1222"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/wordpress.cs.vt.edu\/3digroup\/wp-json\/wp\/v2\/tags?post=1222"},{"taxonomy":"author","embeddable":true,"href":"https:\/\/wordpress.cs.vt.edu\/3digroup\/wp-json\/wp\/v2\/ppma_author?post=1222"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}