We describe Barehands, a free-handed interaction technique, in which the user can control the invocation of system commands and tools on a touch screen by touching it with distinct hand postures. Using behind-screen infrared (IR) illumination and a video camera with an IR filter, we enable a back-projected SMARTBoard (a commercially available, 61 3\/8\u2019\u2019 x 47\u2019\u2019 touch-sensing display) to identify and respond to several distinct hand postures. Barehands provides a natural, quick, implementfree method of interacting with large, wall-mounted interactive surfaces.<\/p>\n","protected":false},"excerpt":{"rendered":"
We describe Barehands, a free-handed interaction technique, in which the user can control the invocation of system commands and tools on a touch screen by touching it with distinct hand postures. Using behind-screen infrared (IR) illumination and a video camera with an IR filter, we enable a back-projected SMARTBoard (a commercially available, 61 3\/8\u2019\u2019 x […]<\/p>\n","protected":false},"featured_media":0,"template":"","meta":{"msr-url-field":"","msr-podcast-episode":"","msrModifiedDate":"","msrModifiedDateEnabled":false,"ep_exclude_from_search":false,"_classifai_error":"","msr-author-ordering":null,"msr_publishername":"","msr_publisher_other":"","msr_booktitle":"","msr_chapter":"","msr_edition":"Proceedings of CHI 2001 Extended Abstracts","msr_editors":"","msr_how_published":"","msr_isbn":"","msr_issue":"","msr_journal":"","msr_number":"","msr_organization":"","msr_pages_string":"367-368","msr_page_range_start":"367","msr_page_range_end":"368","msr_series":"","msr_volume":"","msr_copyright":"","msr_conference_name":"Proceedings of CHI 2001 Extended 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