Method and electronic device for improving accuracy of measurement of motion sensor
First Claim
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1. A method of improving accuracy of measurements of at least one motion sensor included in an electronic device, the method comprising:
- receiving a candidate measurement associated with the electronic device from the at least one motion sensor;
detecting an electronic device state associated with the electronic device, wherein the electronic device state is one of a static state and a motion state;
computing a compensation parameter by estimating a bias based on the candidate measurement and the electronic device state; and
correcting the candidate measurement based on the computed compensation parameter,wherein the computing the compensation parameter comprises;
estimating the bias when the electronic device state is detected as the static state, or computing orientation information from the candidate measurement received from the motion sensor when the electronic device state is detected as the motion state and estimating the bias based on the orientation information.
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Abstract
A method of improving accuracy of measurements of at least one motion sensor included in an electronic device, including receiving a candidate measurement associated with the electronic device from the at least one motion sensor; detecting an electronic device state associated with the electronic device, the electronic device state including one from among a static state and a motion state; computing a compensation parameter based on the candidate measurement and the electronic device state; and correcting the candidate measurement based on the computed compensation parameter.
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Citations
18 Claims
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1. A method of improving accuracy of measurements of at least one motion sensor included in an electronic device, the method comprising:
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receiving a candidate measurement associated with the electronic device from the at least one motion sensor; detecting an electronic device state associated with the electronic device, wherein the electronic device state is one of a static state and a motion state; computing a compensation parameter by estimating a bias based on the candidate measurement and the electronic device state; and correcting the candidate measurement based on the computed compensation parameter, wherein the computing the compensation parameter comprises; estimating the bias when the electronic device state is detected as the static state, or computing orientation information from the candidate measurement received from the motion sensor when the electronic device state is detected as the motion state and estimating the bias based on the orientation information. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. An electronic device for improving accuracy of measurements of at least one motion sensor, the electronic device comprising:
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a sensor configured to sense a candidate measurement associated with the electronic device through the at least one motion sensor; and a data processor configured to; receive the candidate measurement associated with the electronic device from the at least one motion sensor; detect an electronic device state associated with the electronic device, wherein the electronic device state is one of a static state and a motion state; compute a compensation parameter based on the candidate measurement and the electronic device state; and correct the candidate measurement based on the computed compensation parameter. - View Dependent Claims (12, 13, 14, 15)
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16. A method for correcting a measurement made by a motion sensor included in an electronic device, the method comprising:
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receiving a plurality of motion measurements associated with the electronic device from the at least one motion sensor, the plurality of motion measurements including a candidate motion measurement; detecting a motion pattern associated with the plurality of motion measurements; computing a compensation parameter by estimating a bias based on the detected motion pattern; and correcting the candidate motion measurement based on the computed compensation parameter, wherein the method further comprises estimating the bias when the electronic device state is detected as the static state, or computing orientation information from the candidate measurement received from the motion sensor when the electronic device state is detected as the motion state and estimating the bias based on the orientation information. - View Dependent Claims (17, 18)
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Specification