Sign based human-machine interaction
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United States of America Patent
Stats
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Dec 11, 2007
Grant Date -
Dec 8, 2005
app pub date -
May 12, 2005
filing date -
May 14, 2004
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
Communication is an important issue in man-to-robot interaction. Signs can be used to interact with machines by providing user instructions or commands. Embodiment of the present invention include human detection, human body parts detection, hand shape analysis, trajectory analysis, orientation determination, gesture matching, and the like. Many types of shapes and gestures are recognized in a non-intrusive manner based on computer vision. A number of applications become feasible by this sign-understanding technology, including remote control of home devices, mouse-less (and touch-less) operation of computer consoles, gaming, and man-robot communication to give instructions among others. Active sensing hardware is used to capture a stream of depth images at a video rate, which is consequently analyzed for information extraction.
First Claim
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