Abstract: Provided are a user interface device and a control method thereof for supporting easy and accurate selection of overlapped objects. The user interface device is a device for providing a user interface applied to a three-dimensional (3D) virtual space in which a plurality of virtual objects is created, and includes a gaze sensor unit to sense a user's gaze, an interaction sensor unit to sense the user's body motion for interaction with the virtual object in the 3D virtual space, a display unit to display the 3D virtual space, and a control unit to, when the user's gaze overlaps at least two virtual objects, generate projection objects corresponding to the overlapped virtual objects, wherein when an interaction between the projection object and the user is sensed, the control unit processes the interaction as an interaction between the virtual object corresponding to the projection object and the user.

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: Provided is a method for controlling an interaction undo/redo interface. The method for controlling an interaction undo/redo interface includes causing interaction to be performed between a plurality of virtual objects created in a three-dimensional virtual space and a user, wherein the interaction is performed by recognition of the user's gesture, and activating the interaction undo interface or the interaction redo interface in response to a gesture not corresponding to the user's interaction gesture.

Abstract: Provided are a user interface device and a control method thereof for supporting easy and accurate selection of overlapped objects. The user interface device is a device for providing a user interface applied to a three-dimensional (3D) virtual space in which a plurality of virtual objects is created, and includes a gaze sensor unit to sense a user's gaze, an interaction sensor unit to sense the user's body motion for interaction with the virtual object in the 3D virtual space, a display unit to display the 3D virtual space, and a control unit to, when the user's gaze overlaps at least two virtual objects, generate projection objects corresponding to the overlapped virtual objects, wherein when an interaction between the projection object and the user is sensed, the control unit processes the interaction as an interaction between the virtual object corresponding to the projection object and the user.

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 are a method and system for detecting information of brain-heart connectivity, the method comprising: obtaining moving images of a pupil and an electrocardiogram (ECG) signal from a subject; acquiring a pupil size variation (PSV) from the moving images by separating the moving images at a predetermined time range after R-peak of the ECG signal; extracting signals of a first period and a second period from the PSV; calculating alpha powers of the signals of the first and second periods at predetermined frequencies respectively.

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: Provided are a method and system for detecting time-domain cardiac information, the method comprising: obtaining moving images of a pupil from a subject; extracting a pupil size variation (PSV) from the moving images; calculating R-peak to R-peak intervals (RRIs) in a predetermined frequency range from the PSV; and obtaining at least one time-domain cardiac parameter by processing the RRIs.

Abstract: Provided is a system and method for interaction analysis of virtual space. The system for interaction analysis of virtual space includes an interaction data collection unit which collects interaction data of at least one user participating in virtual space in which virtual content is implemented, an interaction data storage unit which synchronizes and stores the collected interaction data, and an interaction data analysis unit which provides an analysis mode of the interaction data.

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 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: A social intimacy determining method includes detecting electrocardiogram (ECG) data from at least two subjects; detecting heart rhythm pattern (HRP) data from ECG signals of the two subjects; and determining a relationship (intimacy) between the two subjects by comparing the HRP data of the two subjects.

Abstract: A bio-stimulation robot includes a stationary platform, a plurality of drive modules coupled to the stationary platform, and a motion platform coupled to the drive modules to operate to change a position of the motion platform. Each of the drive modules includes a first guide member having an arc shape, a motion member coupled to the first guide, and a leg member having a first end coupled to the motion member and a second end fixed to the motion platform. The motion member slides along the first guide member. The second end of the leg member is rotatably connected to the motion platform. The second end of the leg member is rotatably connected to the motion platform.

Abstract: Provided are a method and system for noncontact vision-based 3D cognitive fatigue measuring. The method comprises: acquiring pupil images of a subject exposed to visual stimuli; extracting a task evoked pupillary response (TEPR) by using the pupil images; detecting dominant peaks from the TEPR; calculating latency of dominant peaks; and determining cognitive fatigue of the subject by comparing a value of the latency to a predetermined reference value.