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dc.contributor.authorChang, CCen_US
dc.contributor.authorTsai, WHen_US
dc.date.accessioned2014-12-08T15:44:24Z-
dc.date.available2014-12-08T15:44:24Z-
dc.date.issued2001-01-01en_US
dc.identifier.issn1051-8215en_US
dc.identifier.urihttp://dx.doi.org/10.1109/76.894279en_US
dc.identifier.urihttp://hdl.handle.net/11536/29989-
dc.description.abstractA vision-based system for tracking and interpreting leg motion in image sequences using a single camera is developed for a user to control his movement in the virtual world by his legs. Twelve control commands are defined. The trajectories of the color marks placed on the shoes of the user are used to determine the types of leg movement by a first-order Markov process. Then, the types of leg movement are encoded symbolically as input to Mealy machines to recognize the control command associated with a sequence of leg movements. The proposed system is implemented on a commercial PC without any special hardware. Because the transition functions of Mealy machines are deterministic, the implementation of the proposed system is simple and the response time of the system is short, Experimental results with a 14-Hz frame rate on 320 x 240 image resolution are included to prove the feasibility of the proposed approach.en_US
dc.language.isoen_USen_US
dc.subjecthuman-computer interactionen_US
dc.subjectleg motionen_US
dc.subjectMarkov processen_US
dc.subjectMealy machineen_US
dc.subjectvirtual realityen_US
dc.subjectvision-based trackingen_US
dc.titleVision-based tracking and interpretation of human leg movement for virtual reality applicationsen_US
dc.typeArticleen_US
dc.identifier.doi10.1109/76.894279en_US
dc.identifier.journalIEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS FOR VIDEO TECHNOLOGYen_US
dc.citation.volume11en_US
dc.citation.issue1en_US
dc.citation.spage9en_US
dc.citation.epage24en_US
dc.contributor.department資訊工程學系zh_TW
dc.contributor.departmentDepartment of Computer Scienceen_US
dc.identifier.wosnumberWOS:000166439700002-
dc.citation.woscount12-
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