• Electronics and Telecommunications Trends
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• v.27 no.3
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• pp.32-42
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• 2012

본고에서는 디지털 홀로그래피 기술을 디지털 콘텐츠 관점에서 다룰 수 있는 연구 개발 결과를 다루었다. 디지털 홀로그래피(DH: Digital Holographic) 기술을 디지털 홀로그래픽 콘텐츠 관점으로 접근하기 위한 기반 기술 분야로서 DH 콘텐츠 저작도구 기술, 매니지먼트 기술, 공간 인식 기반 인터랙션 기술, 화질 평가 및 휴먼팩터 기술 및 응용 콘텐츠 제작 기술 등으로 분류하여 기술하였다. 또한 디지털 홀로그래픽 콘텐츠 제작을 위한 연구 개발 결과로서 3차원 영상정보 획득, 홀로그래픽 프린지 데이터 생성과 DH 콘텐츠의 광학적 수치적 복원 및 DH 콘텐츠의 운용 테스트베드 등의 구현 결과를 제시하였다. 본고에서 제시한 디지털 홀로그래픽 콘텐츠 제작을 위한 기반 기술을 향후 실용화될 디지털 홀로그램의 광학적 복원 장치와 접목한다면 새로운 형태의 홀로그래픽 실감형 콘텐츠가 활성화될 수 있을 것으로 예상된다.

• Electronics and Telecommunications Trends
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• v.37 no.3
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• pp.64-73
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• 2022

As the COVID-19 pandemic has decreased face-to-face communication in everyday life, our interest in cultural communication via virtual world has grown significantly. In particular, the demand for applications that use three-dimensional (3D) data generation technology such as virtual reality, augmented reality, virtual performances, and realistic content is rapidly increasing in the entertainment and gaming industries. Additionally, improved computing capacity has increased the demand for high-resolution data. This study investigates the trends in 3D scanning and photogrammetry technologies that can support high-quality 3D data generation and introduces the high-resolution 3D data generation technology developed and reported in ETRI.

• Proceedings of the Korean Society of Broadcast Engineers Conference
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• 2018.06a
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• pp.294-296
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• 2018

최근 디지털 홀로그래피는 3차원 영상을 획득, 처리 및 재생을 하지만, 디스플레이 전자 소자 특성에 의한 시야각이 작아서 사용자의 관찰 가능한 시역이 제한적인 단점이 있으며, 따라서 복원된 입체 영상과 사용자 사이에 상호작용 서비스 제공이 용이하지 않는 한계를 지니고 있다. 본 논문에서 우리는 $360^{\circ}$ 전방향 (1,024 시점)의 홀로그래픽 3D 콘텐츠를 FFT 알고리즘을 이용하여 생성하고, 이 콘텐츠를 디스플레이할 수 있으면서 동시에 이 콘텐츠와 사용자 간 상호작용이 가능한, 광시야각 (${\pm}60^{\circ}$) 홀로그래픽 디스플레이 시스템의 설계 및 제작한 결과를 실증한다.

• TTA Journal
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• s.144
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• pp.39-44
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• 2012

• The Journal of the Korea Contents Association
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• v.12 no.12
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• pp.597-604
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• 2012

In order to actualize the third dimension form, hologram is coming to attention because it has no restriction on viewing position and is capable of natural visual expression. Although hologram technology is the best method to embody 3D image without glasses, it is not commercialized due to several technological problems. Currently used hologram technology in concerts or exhibitions are images flashed on a 2-dimensional transparent screen by HD projectors which is similar to hologram technology, not truly same. In this research, we make 3D contents for Holographic projection and use these contents to present art that can interact with spectators. As a result of the exhibition, attendance showed satisfaction on inspection form, allowing spectators to move around the screen and view it both sides; moreover, they were enterprising to interact with the videos played according to their movements. Therefore, we are able to implement a sensible and spatio-temporal artwork along with interesting space production and represent a intimate and interactive space with the public.

• Optical Science and Technology
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• v.18 no.4
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• pp.9-14
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• 2014

• Journal of Digital Convergence
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• v.18 no.5
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• pp.425-432
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• 2020

Stereoscopic imaging is an important branch in the field of digital imaging, and has grown significantly over the last two decades through research and development. Hologram projection technology based on stereoscopic technology has been a social issue since the development of the Hungarian physicist Daniel Garber in 1947. It is becoming more and more important as stereoscopic works using similar technologies are applied to various fields. This study analyzed content cases using classical and creative stereoscopic technology from the perspective of digital image content design and explored the multiprotocol direction of holographic projection.

• Journal of the Korea Institute of Information and Communication Engineering
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• v.17 no.4
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• pp.1010-1019
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• 2013

Recently, research on hologram, which can realize perfect 3-dimensional imaging, becomes more active. But hologram has the defect that it costs a lot in generation. Thus, this paper proposes a method to generate a new digital hologram contents by manipulating the existing digital hologram contents. That is, this paper proposes the method to manipulating the digital hologram contents by manipulating and/or synthesizing the depth information to get a new digital hologram contents. The proposed methods have been experimented with various depth informations and digital hologram contents. For each kind of depth information, it has been manipulated for its position and distance. The result was converted to a digital hologram by the computer-generated hologram method and the resulting hologram was reconstructed.

• Proceedings of the Korean Institute of Information and Commucation Sciences Conference
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• 2013.05a
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• pp.818-819
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• 2013

This paper propose a contents security technique for digital holographic display service. Digital holographic video system assumes the existing service frame for 2-dimensional or 3-dimensional video, which includes data acquisition, processing, transmission, reception, and reconstruction. In this paper, we perform the encryption of RGB image and depth-map for such a system. The experimental results showed that encrypting only 0.048% of the entire data was enough to hide the constants of the RGB image and depth-map.

• Proceedings of the Korea Contents Association Conference
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• 2019.05a
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• pp.49-50
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• 2019

2018년 11월 '리그 오브 레전드' S8 파이널 폐막식장에서 Riot Games회사는 홀로그래픽 기술을 이용하여 디지털 K/DA 걸 그룹과 리얼 걸 그룹 멤버들과 함께 K/DA의 데뷔 앨범 타이틀곡 'POP/STARS'를 제작하였다. 디지털 캐릭터는 VOCALOID 기술 및 창작자의 디자인에 기반을 두지만, 디지털콘텐츠로써의 가치는 UCC 컨버전스를 통해 기존 콘텐츠의 영역을 확장하여 디지털 캐릭터의 생명력과 활용성을 확대하였다. UCC에 기반을 둔 디지털 캐릭터는 주요한 정보 기여자와 소비자가 콘텐츠를 제작함으로써 그 영역이 확대되고 있다. 이에 본 연구에는 디지털 캐릭터 콘셉트를 이용한 K/DA 걸 그룹의 캐릭터의 특성을 살펴보고, UCC를 바탕으로 K/DA 걸 그룹 데뷔 이래 뉴스, OSMU의 특성, 디지털 캐릭터의 가용성을 중심으로 사용자의 캐릭터에 대한 역할을 분석하고자 한다.