Indoor navigation with wearable passive sensors
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Nov 27, 2001
Grant Date -
N/A
app pub date -
Feb 17, 2000
filing date -
Feb 17, 2000
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A wearable device is configured for navigating in an indoor environment. The device includes passive sensors for measuring environmental physical conditions at known locations in the indoor environment and at an unknown locations in the indoor environment. A wearable computer is coupled to passive sensors. The computer is configured to construct a first statistical model of the environment according to the measured physical conditions at the known locations and a second statistical model of the environment according to the measured physical conditions at the unknown locations. Processing means of the computer determines a probability that the unknown locations correspond to the known locations by comparing the second statistical model to the first statistical model.
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