Method for step detection and gait direction estimation
US10215587B2 · kind B2 · utility
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24Claims
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Key dates
| Filing date | Mar 8, 2013 |
| Grant date | Feb 26, 2019 |
| Priority date | — |
| Expiry date | Jan 15, 2035 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01P15/00
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A method for detecting a human's steps and estimating the horizontal translation direction and scaling of the resulting motion relative to an inertial sensor is described. When a pedestrian takes a sequence of steps the displacement can be decomposed into a sequence of rotations and translations over each step. A translation is the change in the location of pedestrian's center of mass and a rotation is the change along z-axis of the pedestrian's orientation. A translation can be described by a vector and a rotation by an angle.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.