Electronics and Telecommunications Research Institute

Chang-Joon Park

In-Ho Lee

Jin-Sung Choi

Hyun-Bin Kim

Sung-Eun Kim

Ho-Won Kim

Jae-Hean Kim

Hong-Seok Kim

Su-Young Bae

Ki-Nam Kim

Hyun Joon Kang

Chang-Woo Chu

Hye-Sun Kim

Jae-Hwan Kim

Dong-Wan Ryoo

Hang-Kee Kim

Kyung-Kyu Kang

Gil-Haeng Lee

Il-Kyu Park

Man-Hee Lee

Jung-Jae Yu

Byung-Ok Han

Kang-Min Sohn

Jae-Kwang Lee

Yu-Gu Jung

Yun-Ji Ban

Do-Hyung Kim

Bon-Ki Koo

Tae-Joon Kim

Seong-Jin Park

Ji-Hyung Lee

Dong-Chun Lee

Chang-Sik Cho

Kap-Kee Kim

Hye-Sun Park

Kyu-Sung Cho

Sung-Ryull Sohn

Disclosed herein are a method and apparatus for matching 3D terrain information based on aerial images captured at different altitudes. The method includes receiving a high-altitude numerical height model based on a terrain image captured at a specific high altitude; receiving 3D terrain information observed from a low altitude, which is generated based on a terrain image captured at an altitude lower than the specific high altitude; generating a low-altitude numerical height model by converting the 3D terrain information into a numerical model in the same form as the high-altitude numerical height model; measuring the cross-correlation between the high-altitude numerical height model and the low-altitude numerical height model, thereby calculating matching parameters for enabling the low-altitude numerical height model to match the high-altitude numerical height model; and adjusting the geospatial coordinates of the 3D terrain information based on the matching parameters and outputting georeferenced 3D terrain information in the same coordinate system as the high-altitude numerical height model.

Method and apparatus for matching 3-dimensional terrain information using heterogeneous altitude aerial images

Disclosed herein are an apparatus and method for generating a 3D avatar. The method, performed by the apparatus, includes performing a 3D scan of the body of a user using an image sensor and generating a 3D scan model using the result of the 3D scan of the body of the user, matching the 3D scan model and a previously stored template avatar, and generating a 3D avatar based on the result of matching the 3D scan model and the template avatar.

Apparatus and method for generating 3D avatar

Disclosed herein are an apparatus and method for calibrating an augmented-reality image. The apparatus includes a camera unit for capturing an image and measuring 3D information pertaining to the image, an augmented-reality image calibration unit for generating an augmented-reality image using the image and the 3D information and for calibrating the augmented-reality image, and a display unit for displaying the augmented-reality image.

Apparatus and method for calibrating augmented-reality image

Disclosed herein are an apparatus and method for verifying and correcting degree of 3D-printed joints movement. A method for correcting a print position of a three-dimensional (3D) object is performed by a 3D object print position correction apparatus, and includes setting at least one adjacent mesh of a 3D object in which multiple shells are connected to each other through a joint structure, calculating movement degree information for the joint structure of the 3D object using the set adjacent mesh, and correcting a print position of the 3D object such that the print position matches the calculated movement degree information.

Apparatus and method for verifying and correcting degree of 3D-printed joints movement

Disclosed herein are a virtual content-mixing method for augmented reality and an apparatus for the same. The virtual content-mixing method includes generating lighting physical-modeling data based on actual lighting information for outputting virtual content, generating camera physical-modeling data by acquiring a plurality of parameters corresponding to a camera, and mixing the virtual content with an image that is input through an RGB camera, based on the lighting physical-modeling data and the camera physical-modeling data.

Virtual content-mixing method for augmented reality and apparatus for the same

Disclosed herein are an apparatus and method for reconstructing a 3D model. The apparatus for reconstructing a 3D model includes an image acquisition unit for acquiring multi-view images by receiving image signals captured by multiple drones using cameras, a geometric calibration unit for estimating motion variables of the drones based on the acquired multi-view images, and a 3D model creation unit for reconstructing a 3D model of a dynamic object from the matched multi-view images using a multi-view stereo method.

Apparatus for reconstructing 3D model and method for using the same

An apparatus and method for providing augmented reality-based realistic experience. The apparatus for providing augmented reality-based realistic experience includes a hardware unit and a software processing unit. The hardware unit includes a mirror configured to have a reflective characteristic and a transmissive characteristic, a display panel configured to present an image of an augmented reality entity, and a sensor configured to acquire information about a user. The software processing unit presents the augmented reality entity via the display panel based on the information about the user from the hardware unit after performing color compensation on the color of the augmented reality entity.

Apparatus and method for providing augmented reality-based realistic experience

Method and apparatus for calibrating multiple cameras. A first mirror and a second mirror are arranged opposite each other. An object is disposed between the first mirror and the second mirror. Calibration of the multiple cameras is performed using a figure of the object formed on the second mirror via reflection from the first mirror and the second mirror.

Method and apparatus for calibrating multiple cameras using mirrors

An apparatus and method for capturing a light field image. The light field image capture apparatus includes a mirror array or a micro-lens array. An activated mirror selected from among the multiple mirrors of the mirror array provides light to the multiple elements of an image sensor. An activated lens, selected from among the multiple lenses of the micro-lens array, provides light to the multiple elements of the image sensor. Based on timesharing, the mirror, selected as the activated mirror from among the multiple mirrors, is changed, and the lens, selected as the activated lens from among the multiple lenses, is changed.

Apparatus and method for capturing lightfield image

A 3D scanning apparatus and method using lighting based on a smart phone. The 3D scanning apparatus includes: an image capturing unit for capturing the image of a 3D object using a camera and a lighting apparatus installed in a terminal; an image processing unit for generating a color-enhanced image corresponding to the light emitted by the lighting apparatus; and a scanning unit for scanning the 3D object in 3D by extracting a scan area from the color-enhanced image based on the light and by extracting position information corresponding to the scan area.

3D scanning apparatus and method using lighting based on smart phone

The present invention relates to a technology for easily generating and supplying a virtual client managing module specified for various games and testing the load and function of a game through a virtual client managing module and an apparatus for managing a virtual client. The device for managing a virtual client managing module according to the exemplary embodiment of the present invention performs a function that uses template specialized for each type of game as game unique information to generate a specialized module and generates the virtual client managing module combined with the common module. The apparatus for managing the virtual client generates and controls the virtual client based on the virtual client managing module.

Device for providing virtual client managing module, apparatus for managing virtual client, and method for testing a game by using virtual client managing module

Disclosed herein are an apparatus and method for generating virtual game clients. The apparatus includes a description grammar module, a description generation module, and a client generation and control module. The description grammar module includes a game packet description grammar. The description generation module generates a game protocol description corresponding to the structure of a packet protocol of a game and a game protocol sequence description corresponding to the relationship of transmission and reception between packets, based on the game packet description grammar. The client generation and control module generates a virtual game client using the game protocol description and the game protocol sequence description.

Apparatus and method for generating virtual game clients

Disclosed herein is a scenario-based load testing apparatus and method. The scenario-based load testing apparatus includes a packet analysis unit, a scenario creation unit, and a load generation unit. The packet analysis unit creates a virtual map and game grammar by capturing and analyzing packets sent between a server and a client. The scenario creation unit creates a scenario of a virtual user on the virtual map. The load generation unit generates a load by creating packet data corresponding to the virtual user in compliance with the game grammar and the scenario.

Scenario-based load testing apparatus and method

A method for estimating three-dimensional positions of human joints includes the steps of: a) marker-free motion capturing a moving figure for obtaining a multiview 2D image of the moving figure, and extracting a 2D feature point corresponding to a bodily end-effector; b) three-dimensionally matching the 2D feature point corresponding to the bodily end-effector, and recovering the 3D coordinates of the bodily end-effector; c) generating a 3D blob of the bodily end-effector, generating a virtual sphere with a radius that is a distance from a center of the 3D blob to a joint, and projecting the virtual sphere onto the obtained multiview 2D image of the moving figure; and d) detecting a coinciding point of a surface of the projected virtual sphere and the multiview 2D image of the moving figure, and estimating a 3D position corresponding to the coinciding point as a 3D position of the joint.

Method for estimating three-dimensional position of human joint using sphere projecting technique

A method for reconstructing a three-dimensional structure using silhouette information on a two-dimensional plane is provided. The method includes: obtaining silhouette images; creating a cube on a three-dimensional space using the silhouette images; calculating vertex coordinates on a two-dimensional image plane by projecting eight vertices of the three-dimensional cube on a two-dimensional image plane of a first camera; dividing into multiple inner voxels by dividing sides formed by the eight vertices by a divider; dividing into a predetermined number of regions by dividing sides connecting the coordinates by a predetermined divider; assigning indices by matching cubes of the three-dimensional cube to square regions on the two-dimensional image plane in one to one manner; storing indices of regions where the square regions meets with a first silhouette image; and reconstructing three-dimensional structure by finding common indices through repeatedly performing the steps using other silhouette images.

Growing community of inventors

Daejeon, South Korea

Chang-Joon Park