• 제목/요약/키워드: parallax

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'열린경관'과 '가려진경관'의 이미지와 선호도 비교 - 패럴랙스(Parallax) 효과 유무를 중심으로 - (The Image and Preference Comparison between 'Opened Landscape' and 'Filtered Landscape' - Focused on With and Without Parallax Effect -)

  • 노재현
    • 한국조경학회지
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    • 제35권4호
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    • pp.105-118
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    • 2007
  • The purpose of this study is not only to compare between 'Opened Landscape' and 'Filtered Landscape' image and preference but also to suggests a guide line of planting design for progressive realization. For this, the image structures of photo-sketch simulation for parallax landscape have been investigated by Semantic Differential scale(S.D. scale) and the Factor analysis. The results could be summarized as follows. The results of S.D. scale values for landscape through parallax were greater than non-parallax landscape. The scenes through parallax were better preferred to direct view. Thus the results of photo-sketch simulation test support the expected hypothesis that the visual environment of complexity and variety is closely correlated with the parallax effect and monotonous or non-parallax environment, and parallax effect on close view more bigger than the distant view. Factors covering the spatial image of parallax landscape were found to be seven and Total values were 60.35 %. The most important factors determining the parallax effect were Factors I 'depth of space' and VI 'expectation of space and interest'. An outstanding view must be handled properly to be preserved or accentuated. In this sense, the parallax spatial beauty with tree could be improved through the visual aspects of plan arrangements and the progressive realization appeared to be one effective design technique for landscape planning and design.

웹 인터페이스에서 Parallax Scrolling 기법 활용에 따른 사용자 경험 연구 (A Study of User Experience from Parallax Scrolling Use on the Web Interface)

  • 이수민;고혜영
    • 한국멀티미디어학회논문지
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    • 제19권2호
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    • pp.512-519
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    • 2016
  • In this paper, we compared the user experience according to utilize parallax scrolling technique in web site. For this purpose, we divided subjects into two groups. The subjects of Group1 were given to use web site interface with Parallax scrolling and the Group2 were given to use web site interface with non Parallax scrolling. Then, All Subjects answered the questionnaire of user experience. User experience were evaluated by four entries as Novelty, Esthetics, Usage of Satisfaction, Cheerfulness. Consequently. As a result, the web site interface with Parallax scrolling showed significantly higher score of Novelty, Esthetics, Cheerfulness than the web site interface with non-Parallax scrolling. In this study. we proved that using the parallax scrolling technique in web site interface improves the overall user experience, and suggested to apply as a way to advance the attention and persistency on creating a web site.

자말알딘 지즈와 수시력(授時曆)에 도입된 시차(視差) 이론 - 계산법의 유사성과 그 기원에 관하여 - (PARALLAX THEORY ADOPTED IN THE JAMAL al-DIN ZIJ AND SHOUSHI-LI - ON THEIR SIMILARITY AND ORIGIN -)

  • 이은희
    • 천문학논총
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    • 제39권2호
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    • pp.53-67
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    • 2024
  • Islamic Jamal al-Din zij and Chinese Shoushi-li(授時曆) are astronomical hand books compiled by Jamal al-Din(札馬魯丁) and Guo Shujing(郭守敬) of the Islamic and Chinese Astronomical Bureau in Yuan(元) China, respectively. Jamal al-Din zij is an Islamic zij based on the Almagest of Ptolemaios, while Shoushii-li is a calendrical treatise by the traditional Chinese calendar system. In case of the parallax correction method, however, both of them have a common origin from Indian astronomy in 6-7 Century. This paper examines and discusses the parallax theory and its origin adopted in Jamal al-Din zij and Shoushi-li as following: 1) Definitions of the parallax theory and parallax correction methods. 2) Similarities and origins of the parallax correction methods adopted in the Jamal al-Din zij and Shoushi-li. 3) Comparison of the parallax correction tables included in the Sanjufini zij of Tibet, the Huihui-lifa(回回曆法) of Ming(明) China and the Chiljeongsan-Oepyeon(七政算外篇) of Joseon(朝鮮) Korea. 4) Routes of the parallax theory transmitted from ancient Greece and India to Joseon via Islam world and China, respectively. 5) Astronomical exchanges and mutual influence between the East and the West.

Determination of The Optimal Binocular Parallax Inducing The Least 3D Visual Fatigue

  • Li, Hyung-Chul O.
    • 한국정보디스플레이학회:학술대회논문집
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    • 한국정보디스플레이학회 2009년도 9th International Meeting on Information Display
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    • pp.1092-1094
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    • 2009
  • The purpose of the research was to figure out the optimal binocular parallax inducing the least 3D visual fatigue. Subjective 3D visual fatigue was measured while the revolution depth and the average depth of an object were manipulated. The optimal binocular parallax was figured out by using data fitting method.

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영상과 Parallax Scrolling 기법을 활용한 웹콘텐츠의 사용자 경험 요소 비교 연구 (Comparison of User Experience from Parallax Scrolling and Video Use on the Web Contents)

  • 김희원;고혜영
    • 한국멀티미디어학회논문지
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    • 제19권2호
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    • pp.520-529
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    • 2016
  • Recent use of digital video contents increases visual fatigue of users. As a result, it has been difficult that the existing video methods make users focus on the content with interest and deliver stories intended by contents producers. Parallax scrolling is getting the spotlight as a new way which are keeping the fluent visual advantages of video and help users maintaining their attention with simple maneuver. In this study, based on a survey, it would compare the user experience in an existing video in Web contents and parallax scrolling Web contents. As a result, it showed that using the parallax scrolling Web sites improve user sensibilities such as aesthetic, novelty and pleasure of user experiences. A remarkable thing is that users replied parallax scrolling is not much comfortable to use. According to the result, researchers suggest that using parallax scrolling in Web site needs thoughtful decision in making and managing of Web contents.

탈축 수평 시차 홀로그램 변환과 스펙클 잡음 없는 디지털 홀로그램 (Speckle-Free Digital Hologram with Conversion to Off-Axis Horizontal-Parallax-Only Hologram)

  • 김유석;김태근
    • 한국광학회지
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    • 제25권2호
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    • pp.85-89
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    • 2014
  • 본 논문에서는 광 스캐닝 홀로그래피 기술을 이용하여 실제 반사형 물체의 복소 홀로그램을 스펙클 잡음 없이 촬영하고 데이터양을 줄이면서 동시에 일반적인 진폭 유일 공간 광 변조기를 이용해 광학적인 방법으로 복원할 수 있도록 탈축 수평 시차 홀로그램으로 변환하였다. 변환된 탈축 수평 시차 홀로그램이 공간상에 복원되어 디스플레이가 될 수 있음을 보이기 위하여 수치적인 방법을 이용하여 홀로그램을 복원하였다.

Parallax-barrier방식 입체영상 디스플레이 개발 (Development of parallax-barrier autostereoscopic display)

  • 이용범;이남호;안상호
    • 제어로봇시스템학회:학술대회논문집
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    • 제어로봇시스템학회 1997년도 한국자동제어학술회의논문집; 한국전력공사 서울연수원; 17-18 Oct. 1997
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    • pp.1880-1883
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    • 1997
  • An Parallax-Barrier type autostereoscopic display system is implemented to overcome the handicap of current glass-typed stereo imaging system which gives operators unnatural feeling and reluctance. This system is composed of image mixing part of two input images, A/D transformation part, scan conversion part to eliminate the rainbow interference phenomenon, and pin-hole type barrier lens. For the fine display the accurate slit width of barrier is calculated in consideration of retina size, and the samsung 10.4" TFT-LCO was used as flat display monitor.itor.

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이중 계층 패렐랙스 배리어 기반의 무안경식 3D 디스플레이 (Autostereoscopic Display based on Dual Layer Parallax Barrier)

  • 이현;이응돈;엄기문;정원식;이성중
    • 대한전자공학회논문지SP
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    • 제48권6호
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    • pp.68-76
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    • 2011
  • 본 논문에서는 기존 무안경식 3D 디스플레이의 제한된 시야각으로 인한 3D 시청에서의 불편함을 해소하기 위해 새로운 패렐랙스 배리어 방식을 제안한다. 제안된 방식은 기존 패렐랙스 배리어의 TN-LCD 구조에서 LC를 공유하는 이중 계층의 ITO 쌍을 추가하였으며, 시선 추적 장치에 의해 시청자의 위치를 감지하여 자동으로 3D 시야각을 시청자의 위치에 맞도록 변화 시킬 수 있는 이중 계층의 패렐랙스 구조를 갖는다. 제안한 이중 계층 패렐랙스 배리어 방식을 시제품으로 구현하고 실험한 결과, 제안한 방식의 유효성을 확인할 수 있었다.

LDPM 영상 평가를 활용한 동영상 스티칭의 시차 왜곡 검출 및 정정 방법 (Parallax Distortion Detection and Correction Method for Video Stitching by using LDPM Image Assessment)

  • 이성배;강전호;김규헌
    • 방송공학회논문지
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    • 제25권5호
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    • pp.685-697
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    • 2020
  • 파노라마(Panorama) 및 360도 영상과 같은 몰입형(Immersive) 미디어 영상은 영상 내 공간을 사용자가 직접 방문한 것 같은 현장감을 제공해야하므로 실제 세계의 모습을 사실 그대로 나타낼 수 있어야 한다. 그러나 파노라마 및 360도 영상에서는 촬영 카메라들간의 시차(Parallax)로 인해 사물이 사라지거나 중복해서 나타나는 현상이 나타나며, 이와 같은 시차 왜곡은 사용자의 콘텐츠 몰입을 방해할 수 있다. 이에 따라서, 시차 왜곡을 극복하기 위한 많은 동영상 스티칭 알고리즘이 제안되고 있지만, Object detection 모듈의 낮은 성능과 Seam 생성 방식 등의 제한으로 여전히 시차 왜곡이 발생하고 있다. 이에 본 논문에서는 기존 동영상 스티칭 기술의 제한 사항을 분석하고, 해당 동영상 스티칭 기술의 제한을 극복하기 위하여 LDPM(Local Differential Pixel Mean) 영상 평가를 활용한 동영상 스티칭의 시차 왜곡 검출 및 정정 방법을 제안한다.

웹사이트 이용자의 감성적 경험을 위한 Parallax Scrolling 기법 활용 가능성 (Application Possibility of Parallax Scrolling Technique for Website Users' Emotional Experience)

  • 고혜영;김치용
    • 한국멀티미디어학회논문지
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    • 제18권2호
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    • pp.277-286
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    • 2015
  • Recently, to draw the web users' attention and stay in the website for a long time to transmit information efficiently, the website designing is focused on providing emotional experience. Emotional experience is possible through the use of interactive storytelling and multimedia. Users immersion, pleasurable experience and synesthesia satisfaction is connected to the emotional experience due to the interaction operation and multimedia feedback. In this study, application of the parallax scrolling technique's possibility has been studied to induce the emotional experience of the web users that appeared in the technical development of the web. Realizing characteristics of the elements that effect emotional experience through web cases are studied and the possibility of effective emotional experience is proposed as using parallax scrolling technique on web.