NDLI: Learning full-body motions from monocular vision: dynamic imitation in a humanoid robot

Content Provider	IEEE Xplore Digital Library
Author	Cole, J.B. Grimes, D.B. Rao, R.P.N.
Copyright Year	2007
Description	Author affiliation: Univ. of Washington, Seattle (Cole, J.B.)
Abstract	In an effort to ease the burden of programming motor commands for humanoid robots, a computer vision technique is developed for converting a monocular video sequence of human poses into stabilized robot motor commands for a humanoid robot. The human teacher wears a multi-colored body suit while performing a desired set of actions. Leveraging the colors of the body suit, the system detects the most probable locations of the different body parts and joints in the image. Then, by exploiting the known dimensions of the body suit, a user specified number of candidate 3D poses are generated for each frame. Using human to robot joint correspondences, the estimated 3D poses for each frame are then mapped to corresponding robot motor commands. An initial set of kinematically valid motor commands is generated using an approximate best path search through the pose candidates for each frame. Finally a learning-based probabilistic dynamic balance model obtains a dynamically stable imitative sequence of motor commands. We demonstrate the viability of the approach by presenting results showing full-body imitation of human actions by a Fujitsu HOAP-2 humanoid robot.
Starting Page	240
Ending Page	246
File Size	1073448
Page Count	7
File Format	PDF
ISBN	9781424409112
DOI	10.1109/IROS.2007.4399578
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2007-10-29
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Humanoid robots Humans Robot vision systems USA Councils Motion estimation Kinematics Cameras Intelligent robots Dynamic programming Robot programming
Content Type	Text
Resource Type	Article

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