Electronics and Telecommunications Research Institute

Industry-University Cooperation Foundation Hanyang University

Ji Hyung Lee

Bon Ki Koo

Il Kyu Park

Bo Youn Kim

Seung Wook Lee

Chang Woo Chu

Hee Jeong Kim

Ho Won Kim

Bon Woo Hwang

Chang Joon Park

Yoon-Seok Choi

Jin Seo Kim

Kap Kee Kim

Bonki Koo

Ji Young Park

Gil Haeng Lee

Sung Ye Kim

Do-Hyung Kim

Seung Woo Nam

Young Jik Lee

In Ho Lee

Seong Jae Lim

Jae Hwan Kim

Seung Hyup Shin

Byung Ok Han

Yu Gu Jung

Youngmi Cha

Jin Sung Choi

Dong Hyun Kim

Jae Woo Kim

Sang Won Kim

Hyun Joon Kang

Seong Min Baek

Euee Seon Jang

Seung-Uk Yoon

Jae Hean Kim

Jeung Chul Park

Young Mi Cha

Kyung Kyu Kang

Seung Uk Yoon

Man Hee Lee

Chan Jong Park

Chan Su Lee

Man Kyu Sung

Jong-Myung Kim

Sun-Woo Yang

Jung-Ju Choi

Chi-Jung Hwang

Ii-Kwon Jeong

Seong Jae Lin

Daiyong Kim

Byoungjun Kim

Jaebum Jun

Giseok Son

Hwan-gue Cho

Dong-Sung Ryu

Won-Il Hwang

Kyoung Soo Son

Bong-Kyung Chun

Jung Kak Kim

Seong-gyu Park

Provided is a method of reconstructing a three-dimensional (3D) model of an object. The method includes sequentially performing, by a camera module, first and second object scanning processes of scanning the same object, reconstructing, by a processor module, a 3D object model, based on a first object image obtained through the first object scanning process, performing pose learning on an object to generate learning data, based on data obtained through a process of reconstructing the 3D object model based on the first object image, and reconstructing, by the processor module, a final 3D object model, based on a second object image obtained through the second object scanning process and the learning data.

Method and apparatus for reconstructing three-dimensional model of object

The present invention relates to a method and apparatus for providing a realistic 2D/3D AR experience service based on a video. Particularly, the present invention provides a method of providing a realistic AR service with high quality based on AR by using a 2D video image and 3D information in association thereto at the same time, filming a cybernaut and AR content by using two sensors having viewpoints different from each other, and arranging 2D/3D content being an object to be matched within the AR content and which has a 3D position different to a position of the cybernaut in association with a dynamic 3D position of the cybernaut and with a dynamic viewpoint of a service sensor.

Method and apparatus for providing realistic 2D/3D AR experience service based on video image

An apparatus and method for editing three-dimensional (3D) building data. The apparatus for editing the 3D building data includes an input unit configured to obtain 3D scan data of a building, and a processor configured to divide the obtained 3D scan data of the building in units of construction components.

Apparatus and method for editing three-dimensional building data

The present invention provides a local multi-resolution 3-D face-inherent model generation apparatus, including one or more 3-D facial model generation cameras for photographing a face of an object at various angles in order to obtain one or more 3-D face models, a 3-D face-inherent model generation unit for generating a 3-D face-inherent model by composing the one or more 3-D face models, a local photographing camera for photographing a local part of the face of the object, a control unit for controlling the position of the local photographing camera on the 3-D face-inherent model, and a local multi-resolution 3-D face-inherent model generation unit for generating a local multi-resolution face-inherent model by composing an image captured by the local photographing camera and the 3-D face-inherent model, a local multi-resolution 3-D face-inherent model generation using the local multi-resolution 3-D face-inherent model generation apparatus, and a skin management system.

Local multi-resolution 3-D face-inherent model generation apparatus and method and facial skin management system

Disclosed are an apparatus and a method of producing a 3D model in which a 3D model having a static background is produced using a point cloud and an image obtained through 3D scanning. The apparatus includes an image matching unit for producing a matched image by matching a point cloud obtained by scanning a predetermined region to a camera image obtained by photographing the predetermined region; a mesh model processing unit for producing an object positioned in the region as a mesh model; and a 3D model processing unit for producing a 3D model for the object by reflecting texture information obtained from the matched image to the mesh model. The disclosed may be used for a 3D map service.

Apparatus and method of producing 3D model

A method for calibrating a camera network includes generating a projection matrix by each of cameras in respect of a calibration pattern that is disposed at a plurality of different positions in a photography zone. A portion of the projection matrix is produced as a sub-projection matrix. Sub-projection matrixes are arranged widthwise and lengthwise to generate one sub-measurement matrix. A singular value decomposition (SVD) is performed on the sub-measurement matrix to change the sub-measurement matrix into a matrix having a rank of 3 and a SVD is performed on the changed sub-measurement matrix. A rotation value of the calibration pattern, and an internal parameter and a rotation value of each camera are extracted to thereby calibrate the camera network.

Method and apparatus for camera network calibration with small calibration pattern

A method for rendering point cloud using a voxel grid, includes generating bounding box including all the point cloud and dividing the generated bounding box into voxels to make the voxel grid; and allocating at least one texture plane to each of the voxels of the voxel grid. Further, the method includes orthogonally projecting points within the voxel to the allocated texture planes to generate texture images; and rendering each voxel of the voxel grid by selecting one of the texture planes within the voxel by using central position of the voxel and the 3D camera position and rendering using the texture images corresponding to the selected texture plane.

Apparatus and method for rendering point cloud using voxel grid

A space segmentation method for 3D point clouds is disclosed. A space segmentation method for 3D point clouds includes equally segmenting a space of the 3D point clouds into a plurality of grid cells; establishing a base plane corresponding to a ground part of the space of the 3D point clouds; accumulating points of all grid cells located perpendicular to the base plane in a grid cell of the base plane; and segmenting the grid cell in which the points are accumulated into an object part and a ground part according to the number of accumulated points.

Space segmentation method for 3D point clouds

A system for managing face data includes a global face capturing unit configured to capture a global face image; and a global face data generation unit configured to obtain shape information and texture information of global face data, and generate the global face data. Further, the system includes a local face capturing unit configured to capture a plurality of local face images; and a global face posture extraction unit configured to estimate a position and a direction of the face of a captured user. Furthermore, the system includes a local capturing device posture extraction unit configured to extract posture information of the local face capturing unit; and a local face data generation unit configured to generate texture information and shape information, and generate local face data.

System and method for managing face data

A method of deforming a shape of a human body model includes the steps of reorganizing human body model data into a joint-skeleton structure-based Non-Uniform Rational B-spline (NURBS) surface model, generating statistical deformation information about control parameters of the NURBS surface model based on parameters of joints and key section curves for specific motions, and deforming the shape of the human body model based on the NURBS surface model and the statistical deformation information. The human body model data includes three-dimensional (3D) human body scan data and a 3D polygon mesh.

Method and apparatus for deforming shape of three dimensional human body model

The present invention relates to a method of creating an animatable digital clone includes receiving input multi-view images of an actor captured by at least two cameras and reconstructing a three-dimensional appearance therefrom, accepting shape information selectively based on a probability of photo-consistency in the input multi-view images obtained from the reconstruction and transferring a mesh topology of a reference human body model onto a shape of the actor obtained from the reconstruction. The method further includes generating an initial human body model of the actor via transfer of the mesh topology utilizing sectional shape information of the actor's joints, and generating a genuine human body model of the actor from learning genuine behavioral characteristics of the actor by applying the initial human body model to multi-view posture learning images where performance of a predefined motion by the actor is recorded.

Method of creating animatable digital clone from multi-view images

An apparatus for 3D mesh compression based on quantization, includes a data analyzing unit () for decomposing data of an input 3D mesh model into vertices information () property information () representing property of the 3D mesh model, and connectivity information () between vertices constituting the 3D mesh model: and a mesh model quantizing unit () for producing quantized vertices and property information of the 3D mesh model by using the vertices, property and connectivity information (). Further, the apparatus for 3D mesh compression based on quantization includes a decision bit encoding unit () for calculating a decision bit by using the quantized connectivity information and then encoding the quantized vertex information, property information and connectivity information () by using the decision bit.

Method and apparatus for real time 3D mesh compression, based on quanitzation

Disclosed herein is an apparatus and method for separating a foreground and a background. The apparatus includes a background model creation unit for creating a code book including a plurality of code words in order to separate the foreground and the background, and a foreground/background separation unit for separating the foreground and the background using the created code book. The method includes the steps of creating a code book including a plurality of code words in order to separate the foreground and the background, rearranging the cord words of the created code book on the basis of the number of sample data that belong to each of the code words, and separating the foreground and the background using the code book.

Apparatus and method for separating foreground and background

An apparatus for transforming an image in a mobile device is disclosed. The apparatus comprises a pen style transformation unit for transforming an original image to a pen style image using a separated Gaussian filter and outputting pen style image, a cartoon style transformation unit for transforming the original image to a cartoon style image and outputting the cartoon style image, a mosaic creation unit for creating a photomosaic to which the original image is applied based on an optimum photo image set and outputting the created photo mosaic by applying the created photo mosaic to the original image, and an image output unit for outputting the images output from the pen style transformation unit, the cartoon style transformation unit, and the mosaic creation unit to an output unit.

Apparatus and method for transforming image in mobile device

An apparatus for producing digital cartoons includes: an image collection unit for collecting photorealistic image data; and a cartooning processor for performing a rendering process including image abstraction and edge generation on the photorealistic image data collected by the image collection unit to generate cartooned images. The apparatus further includes a stylization unit for producing a cartoon page having various shapes of cartoon frames, resizing the cartooned images to place the resized images into the cartoon frames and adding cartoon elements to the images placed in the cartoon frames.

Method and apparatus for producing digital cartoons

Growing community of inventors

Daejeon, South Korea

Ji Hyung Lee