Electronics and Telecommunications Research Institute

Il Kwon Jeong

Myung Gyu Kim

Jong Sung Kim

Sang Hyun Joo

Seong Min Baek

Jeung Chul Park

Beom Ryeol Lee

Sang Won Ghyme

Byoung Tae Choi

Sung Jin Hong

Bon Ki Koo

Chang Joon Park

Jaehwan Kim

In Ho Lee

Youn Hee Gil

Wook Ho Son

Sanghyun Joo

Jae Hwan Kim

Cho Rong Yu

Seung Hyup Shin

Sang Woo Seo

Kyung Kyu Kang

Seung Taik Oh

Woo Suk Kim

Hyo Taeg Jung

Hyung Jae Son

Ho Yong Seo

Ye Jin Kim

In an aspect of the present disclosure, a bidirectional interaction providing device is provided. The device includes a real-time performance unit that transmits real-time performance information through a real-time performance information session to each user terminal participating in a performance channel related to the real-time performance; an interactive reception unit that receives interaction feedback from a first user terminal through an interaction transmission session; and an interaction transmission unit that transmits the interaction feedback to a destination of the interaction feedback by referring to information on the destination.

Method and apparatus for providing bi-directional interaction for performance in metaverse space

A method of transmitting motion information for metaverse concert includes: generating, by a performance directing system, original motion information including frames where performer's action is recorded; generating processed motion information having a lower frames per second (FPS) than the original motion information; generating verified motion information by extracting information on position on a part of performer's body in the original motion information; transmitting the verified motion information to an audience client system; receiving the verified motion information; generating, by the audience client system, restored motion information having the same FPS as the original motion information by adding predicted frames for the removed frames to the processed motion information; verifying whether there is an error in the restored motion information; modifying and supplementing the restored motion information when there is the error; and assigning motion to a virtual character based on the supplemented motion information.

Method and apparatus for transmitting motion information for metaverse concert

Provided is an apparatus and method for automatically recognizing an object by using a low-speed camera in a dual photographing mode, in which the apparatus includes an image acquirer and an image information analyzer. In the present disclosure, without using a separate motion sensor a movement state of a specific object during sports activities may be automatically recognized by using a successive photographing function of a low-speed camera in a dual photographing mode. Further, once an object starts moving, high-speed images in a multiple exposure mode may be automatically captured by using a high-speed photographing function of the low-speed camera in a dual photographing mode without using an expensive high-speed camera, and based on the captured images, movement information, including a movement speed and direction of the sports ball, the force and axis of rotation of the ball, and the like, is automatically analyzed to generate object movement information.

Apparatus and method for automatically recognizing object by using low-speed camera in dual photographing mode

An apparatus for generating a 3-dimensional character motion via timing transfer. The apparatus includes an example motion database configured to store data about one or more example motions of characters with an identical skeleton model structure; an example motion analyzer configured to generate a timing source by analyzing timing in a designated example motion data among the one or more example motion data stored in the example motion database; and an input motion transfer part configured to re-adjust spatial movements in an input motion in correspondence with the generated timing source so as to generate an output motion.

Apparatus and method for generating 3D character motion via timing transfer

Provided is a method of generating multi-view immersive content. The method includes obtaining a multi-view background image from a plurality of cameras arranged in a curved shape, modeling the obtained multi-view background image to generate a codebook corresponding to the multi-view background image, obtaining a multi-view image including an object from the plurality of cameras and separating a foreground and a background from the obtained multi-view image by using the generated codebook, and synthesizing the object included in the separated foreground with a virtual background to generate multi-view immersive content.

Device and method of generating multi-view immersive content

A method and apparatus for quickly generating a natural appearing terrain image. The method according to an exemplary embodiment may include generating a new terrain image through a patch-based synthesis from one or more virtual noise-based terrain models and one or more realistic terrain models; and processing blending of a boundary between synthesized terrain images in the newly generated terrain image.

Method and apparatus for quickly generating natural terrain

Provided is a tree model generating method according to an embodiment of the present invention. The tree model generating method includes separating and extracting a skeleton of a tree from an image including the tree to generate a matte image, applying a graph representation scheme of a two-dimensional (2D) object to the matte image to generate an object skeleton graph, generating a depth information value in accordance with a predetermined rule and allocating the generated depth information value to each node on the object skeleton graph to generate a three-dimensional (3D) primary tree model, adding branches to the primary tree model based on a branch library constructed in advance and the predetermined rule to generate a secondary tree model, and performing self-growth representation with respect to the secondary tree model based on a distance between each node on the object skeleton graph to generate a tertiary tree model.

Tree model and forest model generating method and apparatus

A method for representing a terrain, a method for creating terrain primitives, and an apparatus using the methods are disclosed. The terrain representation method includes: reading digital elevation model (DEM) data of a terrain; extracting feature points of the terrain from the DEM data of the terrain; creating a plurality of terrain primitives according to the feature points of the terrain; storing terrain representation model data based on the plurality of terrain primitives; and converting the terrain primitive based terrain representation model data into DEM data, and visualizing the DEM data.

Method for representing terrain, method for creating terrain primitives, and apparatus using the methods

Disclosed herein are a method and an apparatus for creating an avatar. The method for creating an avatar according to an exemplary embodiment of the present invention includes receiving information on an appearance of an object to be created into an avatar; generating avatar appearance type metadata using the information on the appearance; creating the avatar using the avatar appearance type metadata, wherein the avatar appearance type metadata include at least one of skin information, hair information, nails information, and teeth information. The exemplary embodiments of the present invention can create the avatar capable of facilitating the differentiation with another avatar while more approximating the reality, by adding more detailed data in addition to the data for the existing appearance so as to generate the avatar.

Method and apparatus for generating an avatar

Disclosed are a method and apparatus for measuring rotation characteristics such as rotation rate, rotation axis, and rotation angle of a rotating body. A method of measuring rotation characteristics includes extracting a rotating-body region from an image of the rotating body; extracting a surface pattern of the rotating body on the basis of brightness values of the extracted rotating-body region and acquiring rotation characteristics of the rotating body on the basis of change in the extracted surface pattern. Accordingly, it is possible to accurately measure rotation characteristics regardless of variation in brightness values of a surface region of the rotating body depending on illumination of a lamp, sensitivity of a camera, and exposure time of a camera.

Method and apparatus for measuring rotation characteristics of rotating body

The present invention relates to a system for storing and managing a comment on content in a social community, and enabling another user to retrieve content or a comment. In particular, the present invention may generate image comments for target content from users of a social community, and summarize the generated imaged comments.

Visual ontological system for social community

An apparatus for tutoring in a convergence space of real and virtual environment, includes a character data processing unit for generating character shape and operation data of a participant or performing rendering on the character shape and operation data; a desk data processing unit for generating desk shape data or perform the rendering on the desk shape data; a voice and sound data processing unit for generating voice or sound data or outputs the voice or sound data; and a virtual space processing unit for generating real space data and providing the generated data to another participant, generating the convergence space data, or generating the character shape data, the operation data, the desk shape data, and the voice or sound data, then providing the generated data to the character data processing unit, the desk data processing unit, and the voice and sound data processing unit.

Apparatus and method for tutoring in convergence space of real and virtual environment

The present disclosure relates to a method of editing terrain data created by a procedure method, and particularly to a method of editing terrain data based on multiresolution for intuitively editing high-quality terrain data. To this end, the method of editing terrain data created by a procedure method includes: inputting terrain data in a form of a height map; processing a multiresolution analysis by dividing the input height map for each band; processing a terrain edition based on the multiresolution by adjusting a height value within a predetermined distance from a position selected from the multiresolution analyzed height map; and storing the multiresolution-based terrain edition processed height map in a form of a progressive mesh.

Method for editing terrain data created by procedural terrain method

A system and a method perform buoyance of a 3D hologram image on a hologram display screen in a projection mode. A system of displaying a digital hologram includes: a composite hologram unit configured to generate a hologram array by receiving hologram data of a fringe pattern and by compositing background image and a foreground image using the received fringe pattern; a hologram projection unit configured to project a hologram image through a wide-angle lens by applying a light to the hologram array; and a hologram display unit configured to perform space buoyance of the hologram image projected by the hologram projection unit on a 3D hologram display screen. The digital hologram content is managed in real time, and transmission of the digital hologram content to a remote place and site adaptive display of hologram image media may be achieved.

System of displaying digital hologram based on projection and method thereof

Disclosed is a method for automatically extracting centroids and features of a spherical object required to measure a flight speed, a flight direction, a rotation speed, and a rotation axis of the spherical object in a system for measuring flight information of the spherical object with a high-speed stereo camera. In order to automatically extract the centroids and the features of the spherical object, the present invention may automatically extract the centroid and the feature by detecting only the pixel of the foreground image including the spherical object generated by excluding the motionless background image from each camera image, sorting the interconnected pixels among the pixels of the detected foreground image into the independent pixel cluster, and then, using, in the extraction of the centroid and the feature, only one pixel cluster having a size similar to the actual spherical object.

Growing community of inventors

Daejeon, South Korea

Il Kwon Jeong