{"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 class=\"wp-block-paragraph\">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 class=\"wp-block-paragraph\">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 class=\"wp-block-paragraph\">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","author_category":"","user_url":"","last_name":"","first_name":"","job_title":"","description":""},{"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"},"author_category":"1","user_url":"","last_name":"Bowman","first_name":"Doug","job_title":"","description":"Doug A. Bowman is the Frank J. Maher Professor of <a href=\"http:\/\/www.cs.vt.edu\">Computer Science<\/a> at <a href=\"http:\/\/www.vt.edu\">Virginia Tech<\/a>. He is the principal investigator of the <a href=\"http:\/\/wordpress.cs.vt.edu\/3digroup\/\">3D Interaction Group<\/a>, focusing on the topics of three-dimensional user interfaces, VR\/AR user experience, and the benefits of immersion in virtual environments.\r\n\r\nDr. Bowman is one of the co-authors of <a href=\"https:\/\/www.pearson.com\/us\/higher-education\/program\/La-Viola-3-D-User-Interfaces-Theory-and-Practice-2nd-Edition\/PGM101825.html\">3D User Interfaces: Theory and Practice<\/a>. He has served in many roles for the <a href=\"http:\/\/ieeevr.org\">IEEE Virtual Reality Conference<\/a>, including program chair, general chair, and steering committee chair. He also co-founded the IEEE Symposium on 3D User Interfaces (now part of IEEE VR). He received a CAREER award from the National Science Foundation for his work on 3D Interaction, and has been named an ACM Distinguished Scientist. He received the Technical Achievement award from the IEEE Visualization and Graphics Technical Committee in 2014 and the Career Impact Award from IEEE ISMAR in 2021.\r\n\r\nHis undergraduate degree in mathematics and computer science is from Emory University, and he received his M.S. and Ph.D. in computer science from the Georgia Institute of Technology.\r\n\r\n<a href=\"http:\/\/people.cs.vt.edu\/~bowman\/cv.pdf\">Curriculum vitae (PDF)<\/a>"}],"_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}]}}