摘要:
A high precision signal sensing system and method using an infrared light is provided. The high precision signal sensing system may receive, from a light emitting device, a plurality of lights including a first light and a second light, may measure intensities of the first light and the second light, and may measure a light emitting intensity of the light emitting device based on an intensity difference between the measured light receiving intensities.
摘要:
A high precision signal sensing system and method using an infrared light is provided. The high precision signal sensing system may receive, from a light emitting device, a plurality of lights including a first light and a second light, may measure intensities of the first light and the second light, and may measure a light emitting intensity of the light emitting device based on an intensity difference between the measured light receiving intensities.
摘要:
An apparatus and method for calibrating a 3D position in a 3D position and orientation tracking system are provided. The apparatus according to an embodiment may track the 3D position and the 3D orientation of a remote device in response to a detection of a pointing event, may acquire positions pointed to by the laser beams, in response to the detection of the pointing event, may generate a 3D reference position, based on information about the pointed to positions and the tracked 3D orientation, may calculate an error using the reference position and the tracked 3D position, and may calibrate the 3D position to be tracked, using the error.
摘要:
A three-dimensional (3D) pointing sensing apparatus may be provided. The 3D pointing sensing apparatus may include an image generation unit that may photograph a first light source and a second light source in a light emitting unit, and generate an image including an image of the first light source and an image of a second light source. Also, the 3D pointing sensing apparatus may include an orientation calculation unit that may calculate an orientation of the light emitting unit, using a size difference between the image of the first light source and the image of the second light source in the image.
摘要:
A position estimation apparatus may measure 3-axis accelerations by at least two acceleration sensors disposed at different distances from a center of rotation of the position estimation apparatus, measure 3-axis angular velocity by a gyro sensor, and detect an azimuth angle using a geomagnetic sensor. Using the 3-axis accelerations measured by the acceleration sensors and the 3-axis angular velocity measured by the gyro sensor, the position estimation apparatus calculates gravity acceleration from which a rotational motion component is extracted.
摘要:
A system and method for estimating a position and a direction using an infrared light are provided. The system may measure an intensity of an irradiation light irradiated by each light irradiator through each light receiver, and may estimate a position and a direction of a remote apparatus, based on the measured intensity, a light receiving directivity, and a light emitting directivity.
摘要:
An apparatus and method for estimating a three-dimensional (3D) position and orientation based on a sensor fusion process is provided. The method of estimating the 3D position and orientation may include estimating a strength-based position and a strength-based orientation of a remote apparatus when a plurality of strength information is received, based on an attenuation characteristic of a strength that varies based on a distance and orientation, estimating an inertia-based position and an inertia-based orientation of the remote apparatus by receiving a plurality of inertial information, and estimating a fused position based on a weighted-sum of the strength-based position and the inertia-based position, and to estimate a fused orientation based on a weighted-sum of the strength-based orientation and the inertia-based orientation. The strength-based position and the strength-based orientation may be estimated based on a plurality of adjusted strength information from which noise is removed using a plurality of previous strength information.
摘要:
An apparatus and method of estimating a three-dimensional (3D) position and orientation based on a sensor fusion process. The method of estimating the 3D position and orientation may include determining a position of a marker in a two-dimensional (2D) image, determining a depth of a position in a depth image corresponding to the position of the marker in the 2D image to be a depth of the marker, estimating a 3D position of the marker calculated based on the depth of the marker as a marker-based position of a remote apparatus, estimating an inertia-based position and an inertia-based orientation by receiving inertial information associated with the remote apparatus, estimating a fused position based on a weighted sum of the marker-based position and the inertia-based position, and outputting the fused position and the inertia-based orientation.
摘要:
An apparatus and method of estimating a three-dimensional (3D) position and orientation based on a sensor fusion process. The method of estimating the 3D position and orientation may include determining a position of a marker in a two-dimensional (2D) image, determining a depth of a position in a depth image corresponding to the position of the marker in the 2D image to be a depth of the marker, estimating a 3D position of the marker calculated based on the depth of the marker as a marker-based position of a remote apparatus, estimating an inertia-based position and an inertia-based orientation by receiving inertial information associated with the remote apparatus, estimating a fused position based on a weighted sum of the marker-based position and the inertia-based position, and outputting the fused position and the inertia-based orientation.
摘要:
Provided are a wireless television system and a wireless transmitter, capable of automatically turning off a light-emitting unit installed in the wireless transmitter depending on a power state of the wireless transmitter and the wireless television system. The wireless television system includes: a wireless transmitter for relaying a video signal received from the outside; a wireless television for receiving the video signal from the wireless transmitter and displaying an image corresponding to the received composite video signal; a light-emitting unit installed in at least one of the wireless transmitter and the wireless television, and displaying one of a power state and a signal transmission/reception state from one of the wireless transmitter and the wireless television; and a light-emission control unit for controlling the light-emitting unit to emit light when both power of the wireless transmitter and power the wireless television are turned on.