• Journal of the Optical Society of Korea
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• 제10권2호
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• pp.76-80
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• 2006

The proposed technique uses a combination of two systems, viz. a three dimensional stereoscopic system and a two-lens system. This novel combined system successfully produces a stereoscopic floating image in mid air near the observer. The two-lens system produces a floating image from the stereoscopic image originating from the stereoscopic system, and the two lenses eliminate the defects of the floating lens and concave mirror. The experimental results show that the two lenses eliminate the defects of the lens and the concave mirror, so that the proposed system successfully produces a touchable stereoscopic floating image.

• 한국방송∙미디어공학회:학술대회논문집
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• 한국방송공학회 2003년도 정기총회 및 학술대회
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• pp.153-156
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• 2003

As there is a growing tendency to represent the 3D content instead of the 2D content, researches for the stereoscopic image and video are under way in a variety of fields such as acquisition compression, transmission, authoring and display. The authoring technique for stereoscopic contents has given emphasis to virtual stereoscopic contents. Thus the authoring technique for stereoscopic pictures is insufficient. When we compose a stereo scene with stereoscopic pictures, stereoscopic contents may not match the stereo scene because each stereoscopic picture may have different camera condition. To solve this problem, stereoscopic pictures have been modified manually. It is a laborious work and will be spent much time. Also it is difficult for a user who does not have an elementary knowledge of stereopsis. In this paper, we propose the synthesis method to compose a natural stereo scene with stereoscopic still pictures and moving pictures. Experimental results show that the proposed method in this paper allows a user to synthesize stereoscopic contents easily and compose a stereo scene conveniently.

• 방송공학회논문지
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• 제18권3호
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• pp.362-371
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• 2013

본 논문에서는 스테레오 카메라 추적을 이용한 모바일 3차원 디스플레이 상의 실시간 증강현실 프레임웍에 대하여 기술한다. 모델 기반 추적 방법에 기초하여 카메라 포즈는 스테레오 카메라 간의 기하 관계를 만족하도록 동시 추정된다. 동시 추정된 카메라 포즈를 통해 가상 콘텐츠는 교정된 스테레오 영상에 올바르게 증강된다. 스테레오 카메라 추적과 스테레오 영상 교정은 서로 다른 쓰레드에서 수행하고, 영상 형식 변환 및 스테레오 영상 교정은 GPU로 고속으로 처리함으로써 실시간으로 수행된다. 제안된 프레임웍은 스테레오 카메라와 3차원 디스플레이가 장착된 스마트폰에서 구현되었다.

• 한국정보디스플레이학회:학술대회논문집
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• 한국정보디스플레이학회 2002년도 International Meeting on Information Display
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• pp.289-292
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• 2002

A new technique to construct an auto-stereoscopic display that offers massive horizontal parallax images is proposed Multiple telecetnric imaging systems are arranged in a modified 2D array. The horizontal parallax images displayed by LCD panels are imaged to be superimposed on a 3D screen. All parallax images are displayed in the different horizontal directions because all imaging systems have different horizontal positions. The difference of the vertical display directions due to the imaging system's vertical positions is canceled by a vertical diffuser placed at the 3D screen. Observers can percept 3D images with the binocular disparity, the vergence, and the smooth motion parallax. In addition, the accommodation function may also work because a number of parallax images are displayed with a very small angle interval in the horizontal direction. A prototype 3D display including 64 color LCD panels was constructed.

• Journal of Information Display
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• 제11권1호
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• pp.24-27
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• 2010

A novel stereo 3D LCD for passive interference filter glasses is presented. A demonstrator based on a standard 120Hz LCD was set up. Stereoscopic image separation was realized in a time-sequential mode using a LED-based scanning backlight with two complementary spectra. A stereo brightness of 3 cd/$m^2$ and a channel separation of 30:1 were achieved.

• 한국정보디스플레이학회:학술대회논문집
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• 한국정보디스플레이학회 2005년도 International Meeting on Information Displayvol.I
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• pp.111-116
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• 2005

This paper describes work by the authors aimed at reducing the mismatch between accommodation and convergence when viewing stereoscopic 3D images. Two methodologies, one a simple system with a mono-focal lens and the other a dynamic system using a moving LCD, were introduced as experimental 3D displays with optical correction. The results of usage evaluations suggest improvements in health and amenity can be achieved with stereoscopic representation with accommodation.

• 디지털산업정보학회논문지
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• 제6권3호
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• pp.141-149
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• 2010

The success of movie 'Avatar' make people be interested in 3D stereoscopic movie, and government and 3D industry acknowledge that it is another opportunity to develop 3D market since 1920s. However, despite much interest little research to evaluate the effect of 3D stereoscopic exists. The present research aimed to disclose 3D effect compared to 2D by assumption of the importance of 3D stereoscopic and little evaluation to that as well. When audience are exposed to 3D stereoscopic, many outcomes are supposed to be differentiated from when to 2D. From this hypothesis, this paper examined mood, attitude, and presence as dependent variables. Using polarized stereoscopic projection display, 30 participants watched 2D and another 30 watched 3D stereoscopic movie which were the same content. On conclusion, the two groups were not significantly different and this involved much insight.

• 한국산학기술학회논문지
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• 제14권10호
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• pp.5130-5133
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• 2013

입체영상 디스플레이는 최근 교육, 3D 영화, 의료 영상 등 다양한 분야에 응용되고 있으나 실용화함에 있어 해결해야할 문제점도 남아있다. 입체영상 디스플레이는 실용화 단계에서 대량의 영상 데이터를 처리해야하고 실시간 디스플레이를 위해 고효율 비젼 시스템을 설계해야 한다. 입체영상 디스플레이를 위한 스테레오 데이터는 변위 벡터, 움직임 벡터와 참조영상과의 오차영상을 전송하게 되며 스테레오 영상 시퀀스를 복원하여 입체영상 디스플레이를 하게 된다. 이를 위한 핵심요소는 스테레오 영상간의 효율적인 정합과 강건한 비젼시스템에 있다. 본 논문에서는 효율적인 스테레오 정합을 위한 고효율 비젼시스템을 설계하고 실험결과 제안한 입체영상 디스플레이 시스템의 효용성을 검증한다.

• 한국해양공학회:학술대회논문집
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• 한국해양공학회 2004년도 학술대회지
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• pp.101-105
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• 2004

In this paper, theoretical basis of stereoscopic display is investigated and programmed to shaw the application which could be used in the Virtual Reality (VR), especially for ship design. Stereoscopic is based on the seperated view point of left and right eyes on the screen and making 3 dimensional image. There different stereoscopic methods such are red-blue, interlacing, side-by-side and above-below are imvestigated and implemente to shaw the simple ship model and inside of ship. To shaw the 3 dimensional view, OpenGL is used to make program by implementing the logic of stereoscopic. Simple models and ship design are implemented to survey the applicability of stereoscopic for ship design. The best way is to use two projectors to emit interlaced shape. It is expected to imply this technique in the VR application for ship design.

• 한국광학회지
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• 제20권2호
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• pp.87-93
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• 2009

스테레오 영상에서 관찰자의 위치 변화는 왜곡 발생의 주요 원인이다. 특히, 디스플레이 장치의 중심을 기준으로 한 관찰자의 회전 이동은 관찰자 양안의 수평위치가 다르므로 수평, 전후 이동과는 다른 스테레오 영상의 왜곡이 크게 발생하게 된다. 본 논문에서는 전산모사를 통하여 관찰자의 회전이동에 의한 왜곡을 분석하였고 왜곡 보정결과도 보였다. 마지막으로 관찰자의 회전이동과 수평, 전후 이동의 왜곡형태를 비교를 통하여 두 이동에서 나타나는 왜곡의 형태가 다름을 보였다.