{"id":1183,"date":"2018-10-24T07:17:00","date_gmt":"2018-10-24T07:17:00","guid":{"rendered":"http:\/\/dev.leonardopavanatto.com\/3di\/?p=1183"},"modified":"2020-12-09T20:32:55","modified_gmt":"2020-12-09T20:32:55","slug":"force-push-exploring-expressive-gesture-to-force-mapping","status":"publish","type":"post","link":"https:\/\/wordpress.cs.vt.edu\/3digroup\/2018\/10\/24\/force-push-exploring-expressive-gesture-to-force-mapping\/","title":{"rendered":"Force Push: Exploring Expressive Gesture-to-Force Mapping"},"content":{"rendered":"\n<div class=\"wp-block-image\"><figure class=\"alignleft size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/wordpress.cs.vt.edu\/3digroup\/wp-content\/uploads\/sites\/141\/2018\/10\/forcePush_0.png\" alt=\"\" class=\"wp-image-1324\" width=\"272\" height=\"278\" srcset=\"https:\/\/wordpress.cs.vt.edu\/3digroup\/wp-content\/uploads\/sites\/141\/2018\/10\/forcePush_0.png 674w, https:\/\/wordpress.cs.vt.edu\/3digroup\/wp-content\/uploads\/sites\/141\/2018\/10\/forcePush_0-293x300.png 293w\" sizes=\"auto, (max-width: 272px) 100vw, 272px\" \/><\/figure><\/div>\n\n\n\n<p>Most 3D manipulation techniques directly map user\u2019s hand position to the position of a virtual object, but this \u201cnatural\u201d metaphor is not without its limitations. We present Force Push, a hyper-natural gesture-to-action mapping for object manipulation in virtual reality (VR).<\/p>\n\n\n\n<p>It maps hand gestures derived from human-human interaction to physics-driven movement of an object. Force Push maps quantitative features of dynamic gestures to the properties of the physics-based simulation, so both coarse-grained ballistic movement and fine-tuned precise movement are achieved naturally. We hypothesized that Force Push would result in a fun and magical user experience while still providing good task performance.&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=\"Force Push VR\" width=\"1778\" height=\"1000\" src=\"https:\/\/www.youtube.com\/embed\/IYWnU_F3TgY?modestbranding=1\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<p>In an initial experimenting using a limited object translation task, the performance and user experience of this novel method was compared against a traditional direct manipulation interface with two control-display ratios. The experiment showed that:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Force Push appeared to be controllable even in extremely difficult tasks.<\/li><li>Direct control provided better task performance in most cases.<\/li><li>However, in extremely difficult tasks where even two C\/D ratios struggled to cover the intended range of control, there was some evidence for potential advantages of the gesture-to-force mapping.<\/li><li>Gesture-to-force appeared to be more adaptive and robust to the change of task difficulty.<\/li><li>Preliminary results on subjective user experience show that users preferred Force Push for its hedonic qualities, such as being natural and fun to use.<\/li><\/ul>\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\"><h3 class=\"tp_h3\" id=\"tp_h3_article\">Journal Articles<\/h3><div class=\"tp_publication tp_publication_article\"><div class=\"tp_pub_info\"><p class=\"tp_pub_author\">Run Yu; Doug A Bowman<\/p><p class=\"tp_pub_title\">Force Push: Exploring Expressive Gesture-to-Force Mappings for Remote Object Manipulation in Virtual Reality <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_journal\">Frontiers in ICT, <\/span><span class=\"tp_pub_additional_volume\">vol. 5, <\/span><span class=\"tp_pub_additional_pages\">pp. 25, <\/span><span class=\"tp_pub_additional_year\">2018<\/span>.<\/p><p class=\"tp_pub_menu\"><span class=\"tp_bibtex_link\"><a id=\"tp_bibtex_sh_17\" class=\"tp_show\" onclick=\"teachpress_pub_showhide('17','tp_bibtex')\" title=\"Show BibTeX entry\" style=\"cursor:pointer;\">BibTeX<\/a><\/span><\/p><div class=\"tp_bibtex\" id=\"tp_bibtex_17\" style=\"display:none;\"><div class=\"tp_bibtex_entry\"><pre>@article{283,<br \/>\r\ntitle = {Force Push: Exploring Expressive Gesture-to-Force Mappings for Remote Object Manipulation in Virtual Reality},<br \/>\r\nauthor = {Run Yu and Doug A Bowman},<br \/>\r\nyear  = {2018},<br \/>\r\ndate = {2018-01-01},<br \/>\r\njournal = {Frontiers in ICT},<br \/>\r\nvolume = {5},<br \/>\r\npages = {25},<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('17','tp_bibtex')\">Close<\/a><\/p><\/div><\/div><\/div><\/div><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Most 3D manipulation techniques directly map user\u2019s hand position to the position of a virtual object, but this \u201cnatural\u201d metaphor is not without its limitations. We present Force Push, a hyper-natural gesture-to-action mapping for object manipulation in virtual reality (VR). It maps hand gestures derived from human-human interaction to physics-driven movement of an object. Force <a href=\"https:\/\/wordpress.cs.vt.edu\/3digroup\/2018\/10\/24\/force-push-exploring-expressive-gesture-to-force-mapping\/\" class=\"more-link\">&#8230;<\/a><\/p>\n","protected":false},"author":331,"featured_media":1604,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[11],"tags":[14,29],"ppma_author":[417,391],"class_list":["post-1183","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-projects","tag-3d-interaction-techniques","tag-bare-hand-gestures"],"jetpack_featured_media_url":"https:\/\/wordpress.cs.vt.edu\/3digroup\/wp-content\/uploads\/sites\/141\/2018\/10\/forcePush_0-1-e1607204090574.png","authors":[{"term_id":417,"user_id":0,"is_guest":1,"slug":"run-yu","display_name":"Run Yu","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\/1183","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=1183"}],"version-history":[{"count":3,"href":"https:\/\/wordpress.cs.vt.edu\/3digroup\/wp-json\/wp\/v2\/posts\/1183\/revisions"}],"predecessor-version":[{"id":2285,"href":"https:\/\/wordpress.cs.vt.edu\/3digroup\/wp-json\/wp\/v2\/posts\/1183\/revisions\/2285"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/wordpress.cs.vt.edu\/3digroup\/wp-json\/wp\/v2\/media\/1604"}],"wp:attachment":[{"href":"https:\/\/wordpress.cs.vt.edu\/3digroup\/wp-json\/wp\/v2\/media?parent=1183"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/wordpress.cs.vt.edu\/3digroup\/wp-json\/wp\/v2\/categories?post=1183"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/wordpress.cs.vt.edu\/3digroup\/wp-json\/wp\/v2\/tags?post=1183"},{"taxonomy":"author","embeddable":true,"href":"https:\/\/wordpress.cs.vt.edu\/3digroup\/wp-json\/wp\/v2\/ppma_author?post=1183"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}