Abstract: Embodiments relate to a torsion sensor device which measures a degree of torsion of a measurement object by using a fiber Bragg gratings (FBG) sensor, the sensor device comprising: an FBG sensor including a sensing unit formed in one section of an elongated optical fiber; and a fixing device for fixing and supporting the FBG sensor to cause displacement of the FBG sensor according to motion of the measurement object, wherein the fixing device includes a bending prevention member to enable the sensing unit to have torsion displacement without bending displacement, according to the motion of the measurement object.

Abstract: A motion capture system includes a motion sensor having a flexible body and a fiber bragg gratings (FBG) sensor inserted into the body, a fixture configured to fix the motion sensor to a human body of a user, a light source configured to irradiate light to the motion sensor, and a measurer configured to analyze a reflected light output from the motion sensor, wherein the FBG sensor includes an optical fiber extending along a longitudinal direction of the body and a sensing unit formed in a partial region of the optical fiber and having a plurality of gratings, and wherein a change of a wavelength spectrum of the reflected light, caused by the change of an interval of the gratings due to a motion of the user, is detected to measure a motion state of the user.

Abstract: Embodiments relate to a torsion sensor device which measures a degree of torsion of a measurement object by using a fiber Bragg gratings (FBG) sensor, the sensor device comprising: an FBG sensor including a sensing unit formed in one section of an elongated optical fiber; and a fixing device for fixing and supporting the FBG sensor to cause displacement of the FBG sensor according to motion of the measurement object, wherein the fixing device includes a bending prevention member to enable the sensing unit to have torsion displacement without bending displacement, according to the motion of the measurement object.

Abstract: Provided is a tactile feedback device including a tactile transmission element having an enclosed space inside, the tactile transmission element including a compression part which is compressed toward the enclosed space by an electrostatic force generated by the application of voltage, and a tactile part which transmits tactile sensation to a user by expansion with movement of air by the compression.

Abstract: A local watch skew compensation device of the present invention is a client device which is synchronized with the other client device to provide a time-aware service including: a local time providing unit which supplies first local time data and second local time data in accordance with a local clock; a media scheduling unit which receives first media data and second media data from the other client device, schedules first playout time of the first media data using the first local time data, and schedules second playout time of the second media data using the second local time data; and a skew monitoring unit which requests global time data to a global time server when a difference between the first playout time and the second playout time exceeds a skew threshold value, and the first media data and the second media data are different types of media data.

Abstract: Provided is a tactile transmission device, which includes a base unit forming one surface of the tactile transmission device, a tip-tilt elastic member stacked on the base unit and configured to transmit a tactile feel to a finger of a user in a first direction oriented upward from a bottom surface of the finger and a second direction intersecting the first direction at a predetermined angle, and a cover disposed at an upper side of the tip-tilt elastic member to form another surface of the tactile transmission device.

Abstract: Disclosed is an actuator generating haptic sensations, the actuator having a spherical rotor driven by a magnetic force vector created around the same, a stator having a space corresponding in shape to the spherical rotor defined therein to allow the spherical rotor to be positioned in the space and having a portion of an upper part of the spherical rotor exposed, at least three rotation-driving coils formed in the stator at a given distance from each other to provide the magnetic force vector to the spherical rotor, and a driving unit independently controlling electric current supplied to each of the rotation-driving coils to create the magnetic force vector.

Abstract: Provided is a three-dimensional magnetic sensor based finger motion capture interface device, including a back-of-hand fixing member; a finger wearing member; at least one link member which is disposed between the back-of-hand fixing member and the finger wearing member and includes at least one magnetic sensor; at least one fixing member which connects between a plurality of link members; and a controller which receives sensor coordinate values corresponding to the change of a magnetic line of force sensed by the at least one magnetic sensor, extracts pitch and yaw motions of each link member based on the received sensor coordinate values, and calculates a user's finger position based on the extracted pitch and yaw motion values.

Abstract: A method and apparatus for motion capture interface using multiple fingers are disclosed. The method includes measuring a position of an end of a middle finger of an actual hand in a state in which the actual hand is spread, deriving a starting reference position of the middle finger of the actual hand, and calculating a length of the middle finger of the actual hand. The method further includes recognizing a relationship between starting reference positions of a thumb, an index finger, a middle finger, and a wrist based on using a virtual hand reference model that models a virtual hand to be controlled.

Abstract: Provided is a three-dimensional magnetic sensor based finger motion capture interface device, including a back-of-hand fixing member; a finger wearing member; at least one link member which is disposed between the back-of-hand fixing member and the finger wearing member and includes at least one magnetic sensor; at least one fixing member which connects between a plurality of link members; and a controller which receives sensor coordinate values corresponding to the change of a magnetic line of force sensed by the at least one magnetic sensor, extracts pitch and yaw motions of each link member based on the received sensor coordinate values, and calculates a user's finger position based on the extracted pitch and yaw motion values.

Abstract: Provided is a dynamic network configuration and server extension system. The dynamic network configuration and server extension system includes a plurality of service servers configured to provide a request service according to a service request; and a management server configured to provide session information of a configuration which is dynamically transmitted by a buffer on a memory for the plurality of service servers providing the requested service and operate additionally the service server in proportional to the service request to extend the server. According to the present disclosure, it is possible to provide a service desired by a user (client) through a wired/wireless dynamic environment configuration method and a wired/wireless load distribution server management function.

Abstract: Provided is a method for operating a dynamic network service on the basis of latency. A method for operating a dynamic network service on the basis of latency according to an exemplary embodiment of the present disclosure includes receiving a required latency corresponding to a latency required for operating a service in which at least one type of data among video data, voice data, and sensor data is provided to a user over a network; profiling latency information which is information on a latency related to each of a plurality of detailed modules to be used for operating the service while the service is operating; and changing a configuration for at least one of the plurality of detailed modules so as to correspond to the required latency on the basis of the profiling result.

Abstract: Disclosed are a method and apparatus for manipulating an object in virtual or augmented reality based on a hand motion capture apparatus providing haptic feedback. The method of manipulating an object in virtual or augmented reality based on a hand motion capture apparatus providing haptic feedback includes receiving a value of a sensor at a specific position in a finger from the hand motion capture apparatus, estimating a motion of the finger based on the value of the sensor and adjusting a motion of a virtual hand, detecting contact of the adjusted virtual hand with a virtual object, and upon detecting the contact with the virtual object, providing feedback to the user using the hand motion capture apparatus, wherein the virtual hand is modeled for each user.

Abstract: A method and apparatus for motion capture interface using multiple fingers are disclosed. The method includes measuring a position of an end of a middle finger of an actual hand in a state in which the actual hand is spread, deriving a starting reference position of the middle finger of the actual hand, and calculating a length of the middle finger of the actual hand. The method further includes recognizing a relationship between starting reference positions of a thumb, an index finger, a middle finger, and a wrist based on using a virtual hand reference model that models a virtual hand to be controlled.

Abstract: A three-dimensional information augmented video see-through display device according to an exemplary embodiment of the present disclosure includes a camera interface module which obtains at least two real images from at least two camera modules, a rectification module which performs rectification on the at least two real images, a lens distortion correction module which corrects at least two composite images obtained by combining a virtual image to the at least two real images, based on a lens distortion compensation value indicating a value for compensating for a distortion of a wide angle lens for the at least two real images, and an image generation module which performs side-by-side image processing on the at least two composite images to generate a three-dimensional image for virtual reality VR or augmented reality AR.

Abstract: Disclosed are a method and apparatus for providing realistic feedback during contact with a virtual object. The method includes forming a plurality of physics particles to be distributed and arranged in a virtual hand model, detecting whether a physics particle of the virtual hand model contacts the virtual object and, recognizing the position of the physics particle that contacts the virtual object and transmitting vibration to a finger corresponding to the position when determining that the physics particle of the virtual hand model contacts the virtual object, wherein an intensity of the vibration is determined depending on the number of the physics particles that contact the virtual object and a penetration depth when the physics particle and the virtual object contact each other.

Abstract: A motion capture system includes a motion sensor having a flexible body and a fiber bragg gratings (FBG) sensor inserted into the body, a fixture configured to fix the motion sensor to a human body of a user, a light source configured to irradiate light to the motion sensor, and a measurer configured to analyze a reflected light output from the motion sensor, wherein the FBG sensor includes an optical fiber extending along a longitudinal direction of the body and a sensing unit formed in a partial region of the optical fiber and having a plurality of gratings, and wherein a change of a wavelength spectrum of the reflected light, caused by the change of an interval of the gratings due to a motion of the user, is detected to measure a motion state of the user.

Abstract: Provided is a force conveyance system that is configured to have 6 degrees of freedom, thereby allowing freedom of movement such as opening/closing of a hand and adduction/abduction of a finger and reflecting a desired force to a fingertip without obstructing the movement of a finger. Also, the force conveyance system may estimate a fingertip position and a finger joint angle, measure a finger movement, and convey a more accurate force accordingly.

Abstract: Provided is a tactile feedback device including a tactile transmission element having an enclosed space inside, the tactile transmission element including a compression part which is compressed toward the enclosed space by an electrostatic force generated by the application of voltage, and a tactile part which transmits tactile sensation to a user by expansion with movement of air by the compression.

Abstract: A local watch skew compensation device of the present invention is a client device which is synchronized with the other client device to provide a time-aware service including: a local time providing unit which supplies first local time data and second local time data in accordance with a local clock; a media scheduling unit which receives first media data and second media data from the other client device, schedules first playout time of the first media data using the first local time data, and schedules second playout time of the second media data using the second local time data; and a skew monitoring unit which requests global time data to a global time server when a difference between the first playout time and the second playout time exceeds a skew threshold value, and the first media data and the second media data are different types of media data.