Electronics and Telecommunications Research Institute

Wook Ho Son

Beom Ryeol Lee

Seung Jae Lee

Weon Geun Oh

Young Ho Suh

Seung Woo Nam

Keun Dong Lee

Da Un Jung

Seung Taik Oh

Hee Seok Oh

Do Hyung Kim

Yong Ho Lee

Seong Jin Park

Seong Jun Bae

Jae Woo Kim

Il Kwon Jeong

Won Young Yoo

Ho Wook Jang

Jeung Chul Park

Gil Haeng Lee

Ung Yeon Yang

Hyung Kwan Son

Hyun Bin Kim

Sang Il Na

Yong Wan Kim

Sung Kwan Je

Ho Yong Seo

The present disclosure relates to a method of and an apparatus for generating a space for sharing augmented reality content among multiple participants. With the method and the apparatus, an object for configuring a virtual space, which is proposed in an actual space, can also be proposed, in a spatial matching manner on a per-user basis, inside a common sharing space in augmented reality content by utilizing the technology of generating a space for sharing augmented reality content among multiple participants.

Method of and apparatus for generating space for sharing augmented reality content among multiple participants

Disclosed is an apparatus and method of monitoring a VR (Virtual Reality) sickness prediction model for virtual reality content. A method of monitoring a VR sickness prediction model according to the present disclosure includes: displaying the virtual reality content on a display unit; acquiring an user input; analyzing the virtual reality content on a basis of the acquired user input; and displaying an analysis result for the virtual reality content on the display unit.

Apparatus and method of monitoring VR sickness prediction model for virtual reality content

Disclosed is an apparatus and method of generating a VR sickness prediction model. A method of generating a VR sickness prediction model according to the present disclosure includes: displaying virtual reality content on a display unit; detecting first VR sickness information of a user who experiences the virtual reality content using a sensor; determining second VR sickness information using a user input that is input from the user in response to a request for inputting a degree of VR sickness for the virtual reality content; performing machine learning based on supervised learning using VR sickness-inducing factors for the virtual reality content, the first VR sickness information, and the second VR sickness information; and determining a correlation between the VR sickness-inducing factors and a list of VR sickness symptoms on a basis of the performed machine learning.

Apparatus and method of generating machine learning-based cyber sickness prediction model for virtual reality content

An arbitrary viewpoint image generation method includes obtaining an original image set photographed by a plurality of cameras included in a camera array at each of at least one focal distance at a same time point; obtaining a multi-focus image set by generating a multi-focus image from the original image set for each of the at least one focal distance; and generating an arbitrary viewpoint image at a position where a viewpoint is to be moved from the multi-focus image set.

Apparatus and method for generating image of arbitrary viewpoint using camera array and multi-focus image

A server for providing a city street search service includes a street information database configured to store city street images, a feature selection unit configured to select at least one feature according to a predetermined criterion when a city street image for searching and two or more features for the image are received from a user terminal, a candidate extraction unit configured to extract a candidate list of a city street image, a feature matching unit configured to match the city street image for registration included in the extracted candidate list and the at least one selected feature, and a search result provision unit configured to provide the user terminal with a result of the matching as result information regarding the city street image for searching.

Server and method for providing city street search service

Provided are a shoe image retrieval apparatus and method using a matching pair, which can accurately retrieve image information corresponding to an inputted image from the database and provide the retrieved image information, by normalizing a correspondence relation in consideration of geometric image transformation about the matching pair and allowing a similar image to be retrieved by applying the normalized correspondence relation. It is possible to detect optimum geometric image transformation from a matching pair between the inputted shoe image and the image stored in the database and simultaneously retrieve a plurality of objects in the inputted shoe image based on the detected geometric image transformation, thereby providing an efficient shoe retrieval service.

Shoe image retrieval apparatus and method using matching pair

Disclosed is a method for processing interaction between a user and hologram using a volumetric data type object wave field. A method for processing interaction between a user and hologram for user's action using a volumetric data type object wave field includes: capturing user action on the holographic image of the object and solving collision between user and object; computing the updated position and rotation of the object by time integration of rigid body equation in collision; calculating the relative position and rotation of the hologram plane with respect to local object coordinates; transforming the hologram in the pre-computed volumetric object wave field grid according to the relative position and rotation of the hologram plane in local object coordinates and reading the object wave fields at all the pixels of the transformed hologram plane in order to generate a new hologram for the transformed object caused by user action.

Method for processing interaction between user and hologram using volumetric data type object wave field

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

A user interface design and evaluation system and a hand-interaction-based user interface design and evaluation system are provided. The user interface design and evaluation system includes: a user interface design unit, a human model interaction design unit, a user interface prototype simulation unit, a human model simulation unit, and a user interface evaluation unit. In order to develop a user interface in consideration of usability of a user, the system provides a usability evaluation feedback system performing optimization of an interface design based on a motion simulation of a body model and user interface model. Through this, an optimum interface design is derived and by reducing the initial usage difficulty of the new interface for a user, the user can easily use the new interface and work performance of the user can be enhanced. In addition, by supporting fast prototyping and evaluation in a new product development stage, efficient production of a product having a short life cycle can be actively implemented.

User interface design and evaluation system and hand interaction based user interface design and evaluation system

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Daejeon, South Korea

Wook Ho Son