Abstract: Provided are an apparatus and method for inputting a character based on a hand gesture. The apparatus includes a gesture recognition unit configured to recognize hand gestures of a user corresponding to horizontal directions, vertical directions, and diagonal directions, a control unit configured to control character input according to the directions of the recognized hand gestures, and a display unit configured to display a character pad for the character input and display characters input according to the directions of the hand gestures recognized on the character pad.

Abstract: Provided are a character input apparatus and method based on handwriting. The character input apparatus based on handwriting includes an image obtaining unit configured to obtain an image of a motion of a hand moving in a space, a pattern storage unit configured to store various types of character input pattern information required for inputting characters, a pattern recognizing unit configured to recognize a character input pattern from the image of a motion of a hand obtained by the image obtaining unit, compare the recognized character input pattern with the character input pattern information stored in the pattern storage unit, and output a character matched to the same pattern, and an input character display unit configured to display the character output from the pattern recognizing unit.

Abstract: Disclosed is an apparatus for displaying an augmented reality. The disclosed apparatus for displaying an augmented reality uses a transparent display device and displays information on an object seen through the transparent display device thereon. The apparatus for displaying an augmented reality can identify the object seen through the transparent display device by recognizing the direction of a user's gaze or hand.

Abstract: Provided is a user interface (UI) apparatus based on a hand gesture. The UI apparatus includes an image processing unit configured to detect a position of an index finger and a center position of a hand from a depth image obtained by photographing a user's hand, and detect a position of a thumb on a basis of the detected position of the index finger and the detected center position of the hand, a hand gesture recognizing unit configured to recognize a position change of the index finger and a position change of the thumb, and a function matching unit configured to match the position change of the index finger to a predetermined first function, match the position change of the thumb to a predetermined second function, and output a control signal for executing each of the matched functions.

Abstract: Provided are an apparatus and method for controlling a virtual mouse based on a hand motion. The apparatus includes an image processing unit configured to measure a maximum horizontal width of a hand region of a user and a width of an index finger in any one of a first depth image captured in a state in which the index finger is spread out in a vertical direction with his or her fist and a second depth image captured in a state in which the index finger is folded with the fist, a hand motion recognizing unit configured to compare the maximum horizontal width and the width of the index finger to recognize whether the index finger is folded, and a function matching unit configured to match a change in a folded state of the index finger to a pre-set first function and output a control signal for the function.

Abstract: Disclosed herein is a 3D space touch apparatus. The 3D space touch apparatus includes a support, an infrared LED array, left and right infrared cameras, and a space touch sensor module. The support supports the infrared LED array and the left and right infrared cameras. The infrared LED array emits infrared rays, which form an infrared screen in a space above the support. The left and right infrared cameras are disposed on the left and right sides of the support so that the lenses thereof can be oriented to the infrared screen. The space touch sensor module calculates the X-, Y- and Z-axis coordinates of a location of the infrared screen, touched by user pointing means, using images captured by the left and right infrared cameras and information about the resolutions and angles of view of the left and right infrared cameras.

Abstract: The present invention relates to an image display apparatus and method for displaying a three-dimensional (3D) image capable of interacting with a user, and provides a 3D image display apparatus and method that may interact with a user by reproducing a 3D image, generated by a conventional volume display apparatus, at a position different from a position at which the 3D image is generated, and by modifying and playing the reproduced 3D image based on a motion of the user. Also, the present invention enables the user to realistically interact with the 3D image by stimulating tactile sensation of the user through ultrasound.

Abstract: Disclosed is a head-up display apparatus based on AR that three-dimensionally displays augmented image information on an object external to a vehicle on the basis of actual distance information between the vehicle and the external object, and thus can provide realistic information to a driver. The head-up display apparatus includes a distance information generating unit configured to receive an image signal from an image signal inputting apparatus capturing an image in front of a vehicle and generate distance information on each of a plurality of objects in the front image, an information image generating unit configured to generate an information image of each object in the front image, and an augmentation processing unit configured to generate augmented information image of each object on the basis of the distance information on each object.

Abstract: Provided are a 3D display device and a method of manufacturing the same. The 3D display device includes a curve-shaped display panel displaying an image, and a curve-shaped lenticular lens disposed in front of or behind the display panel. A left-eye image displayed by the display panel is presented to a user's left eye through the lenticular lens, and a right-eye image displayed by the display panel is presented to a user's left eye through the lenticular lens.

Abstract: A mobile terminal and a method of providing a video call using the same are disclosed. More particularly, a mobile terminal capable of supporting a video call while ensuring user's privacy by mounting a three-dimensional depth camera and a two-dimensional camera in the mobile terminal and a method of providing a video call using the same are disclosed. The mobile terminal of the present invention includes a 2D camera 200 capturing a 2D video and a 3D depth camera 210 capturing a 3D depth video; an individual image separation module 112 extracting boundary information between a user and a background by using depth information regarding a video captured by the 3D depth camera 210; a composite video generation module 114 separating the user video from the video captured by the 2D camera 200 by using the extracted boundary information and composing the separated user video and the set background video.

Abstract: The present disclosure relates to a spatial touch apparatus using a single infrared camera. More particularly, it relates to a spatial touch apparatus to implement a virtual touch screen in a free space by using an infrared light emitting diode (LED) array and a single infrared camera and to calculate X-axis and Z-axis coordinates of the infrared screen touched by a user indication object. Therefore, the present invention will provide tangible and interactive user interfaces to users and can implement more various user interfaces (UI) than a conventional 2D touch apparatus.

Abstract: The present invention relates to an apparatus for touching a projection of a 3D image on an infrared screen using a single-infrared camera, and more specifically to an apparatus for touching a projection of a 3D image, which projects an image in a free space; recognizes a position touched by a user on the projected image and thus can process an order from a user on the basis of the recognized touched position. The present invention can provide tangible and interactive user interfaces to users. In particular, it is possible to implement various UIs (User Interface), in comparison to an apparatus for touching a projection of a 2D image of the related art, by using the Z-axial coordinate on the infrared screen as the information on depth.

Abstract: A mobile terminal and a method of providing a video call using the same are disclosed. More particularly, a mobile terminal capable of supporting a video call while ensuring user's privacy by mounting a three-dimensional depth camera and a two-dimensional camera in the mobile terminal and a method of providing a video call using the same are disclosed. The mobile terminal of the present invention includes a 2D camera 200 capturing a 2D video and a 3D depth camera 210 capturing a 3D depth video; an individual image separation module 112 extracting boundary information between a user and a background by using depth information regarding a video captured by the 3D depth camera 210; a composite video generation module 114 separating the user video from the video captured by the 2D camera 200 by using the extracted boundary information and composing the separated user video and the set background video.

Abstract: A table type 3D video display device and a table type interactive user interface are disclosed. More particularly, a method for providing services such as games, education, shopping, virtual experience, or the like, of a 3D type is disclosed. The interactive 3D system of the present invention includes a table type 3D display module 210 displaying 3D videos; a spatial touch recognition module 200 monitoring a position of user's fingers interacting with the displayed 3D videos; and an interaction computing module 230 controlling the 3D display module and the spatial touch recognition module 200.

Abstract: Disclosed is a system for data-switching variable-length packets of a heterogeneous network which includes: at least two switching interface modules connected to at least two networks respectively to transceive packets; a switching chip for receiving the packets from a first switching interface module among the at least two switching interface modules and for switching the received packets to a second switching interface module among the at least two switching interface modules; a SERDES (serialization and deserialization) channel for transmitting the packets between the switching interface module and the switching chip; and a signaling channel for transmitting a port number between the switching interface module and the switching chip.

Abstract: Disclosed herein is a 3D space touch apparatus. The 3D space touch apparatus includes a support, an infrared LED array, left and right infrared cameras, and a space touch sensor module. The support supports the infrared LED array and the left and right infrared cameras. The infrared LED array emits infrared rays, which form an infrared screen in a space above the support. The left and right infrared cameras are disposed on the left and right sides of the support so that the lenses thereof can be oriented to the infrared screen. The space touch sensor module calculates the X-, Y- and Z-axis coordinates of a location of the infrared screen, touched by user pointing means, using images captured by the left and right infrared cameras and information about the resolutions and angles of view of the left and right infrared cameras.

Abstract: Disclosed herein is an infrared screen-type space touch apparatus. The infrared screen-type space touch apparatus includes an infrared LED array provided with infrared LEDs arranged in a line, and configured to emit infrared rays and generate an infrared screen in a space. An infrared camera is installed to allow a lens thereof to face the infrared screen. A space touch sensor module senses a location touched by a user pointing means on the infrared screen from a gray scale image captured by the infrared camera. Further, the infrared screen-type space touch apparatus may further include a pulse generation unit configured to periodically generate a pulse signal, and an LED driver unit coupled to the pulse generation unit and configured to supply pulsed DC power to the infrared LED array.

Abstract: An apparatus for touching a reflection image using an infrared screen, more particularly to an apparatus for touching a reflection image using an infrared screen comprising infrared LEDs, an infrared camera, and a projector for projecting an image in free space so as to implement a virtual touch screen in free space. The apparatus for touching a reflection image using an infrared screen includes: an infrared LED array configured to generate infrared rays and creates an infrared screen in free space, an infrared camera installed such that the lens is directed toward the infrared screen, a projector configured to project an image into the infrared screen, and a space touch sensing module configured to sense a touch location on the infrared screen where user's pointing means is touched using the gray scale image captured by the infrared camera.

Abstract: The present invention relates to a system for switching variable-length data packets of a heterogeneous network and a method for the same; and, more particularly, to a switching of variable-length data packets of a heterogeneous network through a serial communication between switching chips to switch the packets with a switching interface module having a network value representing a type of a specific network and a port number of a port which is connected to itself.