Space recognition method and apparatus of input device
First Claim
1. A method of recognizing space according to the movement of an input device, the method comprising:
- measuring angular velocity data using an angular velocity sensor;
measuring acceleration data using an accelerometer;
estimating a bias of the angular velocity sensor using the acceleration data;
calculating Euler angles between a reference navigational frame and a body frame using the angular velocity data and the acceleration data; and
identifying position information of the input device according to the movement of the input device by using the calculated Euler angles.
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Abstract
Provided are method and apparatus for recognizing space according to the movement of an input device.
A method of recognizing space according to the movement of an input device, the method comprising: measuring angular velocity data using an angular velocity sensor; measuring acceleration data using an accelerometer; estimating a bias of the angular velocity sensor using the acceleration data; calculating Euler angles between a reference navigational frame and a body frame using the angular velocity data and the acceleration data; and identifying position information of the input device according to the movement of the input device by using the calculated Euler angles.
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Citations
7 Claims
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1. A method of recognizing space according to the movement of an input device, the method comprising:
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measuring angular velocity data using an angular velocity sensor; measuring acceleration data using an accelerometer; estimating a bias of the angular velocity sensor using the acceleration data; calculating Euler angles between a reference navigational frame and a body frame using the angular velocity data and the acceleration data; and identifying position information of the input device according to the movement of the input device by using the calculated Euler angles. - View Dependent Claims (2, 3)
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4. An apparatus for recognizing space according to the movement of an input device, the apparatus comprising:
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a transmitter identifying position information of the input device according to the movement of the input device and transmitting the identified position information; and a receiver receiving the position information from the transmitter, wherein the transmitter comprises; an inertial measurement module measuring angular velocity data and acceleration data as the input device moves; a first main control module calculating Euler angles between a reference navigational frame and a body frame using the angular velocity data and the acceleration data, generating position information of the input device using the calculated Euler angles, and estimating the a bias of the angular velocity sensor using the angular velocity data; and a first transmission/reception module transmitting the position information to the receiver using a wireless communication method and receiving data from the receiver, and the receiver comprises; a second transmission/reception module receiving the position information from the transmitter and transmitting necessary data to the transmitter; a second main control module processing the received position information; and a communication module communicating with a product linked thereto in order to transmit the processed position information to the linked product. - View Dependent Claims (5, 6, 7)
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Specification