• Title/Summary/Keyword: Visual Display

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Compact See-though Near to Eye Display with Diffractive Optical Elements

  • Levola, Tapani
    • 한국정보디스플레이학회:학술대회논문집
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    • 2007.08b
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    • pp.1749-1752
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    • 2007
  • The Near to Eye Display (NED) solves the problem of having a display larger than a small portable device. The virtual image of the NED is created using a microdisplay and imaging optics. It is important that the optics does not interfere with the human visual system and that the device is light, compact and easy to wear. In this paper the principles of a biocular NED, which is based on a novel diffractive Exit Pupil Expander (EPE), are presented. The optical system is compact and intrinsically free from distortions and misalignments.

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Monocular 3D Vision Unit for Correct Depth Perception by Accommodation

  • Hosomi, Takashi;Sakamoto, Kunio;Nomura, Shusaku;Hirotomi, Tetsuya;Shiwaku, Kuninori;Hirakawa, Masahito
    • 한국정보디스플레이학회:학술대회논문집
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    • 2009.10a
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    • pp.1334-1337
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    • 2009
  • The human vision system has visual functions for viewing 3D images with a correct depth. These functions are called accommodation, vergence and binocular stereopsis. Most 3D display system utilizes binocular stereopsis. The authors have developed a monocular 3D vision system with accommodation mechanism, which is useful function for perceiving depth.

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A study on the ergonomic aspects of the proper luminance level of displays

  • Lee, Eunjung;Kim, Sangho;Park, HyeRyoung;Bae, Jaewoo;Lee, Seungbae;Kim, Haksun
    • Journal of Information Display
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    • v.13 no.4
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    • pp.159-166
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    • 2012
  • In this paper, a display's emotional image quality can be primarily determined by designing the proper luminance level. Though displays with high luminance are preferred, too much light emission from a display may cause glare or visual fatigue to viewers. To find out the proper luminance level based on various video contents, this study was conducted with an OLED display with a real-black level and a wide color gamut, and with an LCD display with a high luminance level, to set the glare threshold under various conditions. The optimum luminance levels according to the display's loading ratio were found, and the maximum luminance that did not cause a glare in the test is proposed.

Photo Retrieval System using Combination of Smart Sensor and Visual Descriptor (스마트 센서와 시각적 기술자를 결합한 사진 검색 시스템)

  • Lee, Yong-Hwan;Kim, Heung-Jun
    • Journal of the Semiconductor & Display Technology
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    • v.13 no.2
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    • pp.45-52
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    • 2014
  • This paper proposes an efficient photo retrieval system that automatically indexes for searching of relevant images, using a combination of geo-coded information, direction/location of image capture device and content-based visual features. A photo image is labeled with its GPS (Global Positioning System) coordinates and direction of the camera view at the moment of capture, and the label leads to generate a geo-spatial index with three core elements of latitude, longitude and viewing direction. Then, content-based visual features are extracted and combined with the geo-spatial information, for indexing and retrieving the photo images. For user's querying process, the proposed method adopts two steps as a progressive approach, filtering the relevant subset prior to use a content-based ranking function. To evaluate the performance of the proposed scheme, we assess the simulation performance in terms of average precision and F-score, using a natural photo collection. Comparing the proposed approach to retrieve using only visual features, an improvement of 20.8% was observed. The experimental results show that the proposed method exhibited a significant enhancement of around 7.2% in retrieval effectiveness, compared to previous work. These results reveal that a combination of context and content analysis is markedly more efficient and meaningful that using only visual feature for image search.

A Study on the Relationship between the Museum Display Wall Composition and the Visual Spatial Configuration - Focusing on the room to room art museum - (미술관 전시벽 구성과 시각적 공간구조의 상관성에 관한 연구 - 개실형 미술관을 중심으로 -)

  • Lee, Jong-Sook;Lim, Che-Zinn
    • Korean Institute of Interior Design Journal
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    • v.16 no.5
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    • pp.63-70
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    • 2007
  • A relationship between the museum display wall composition and the visual spatial configuration is investigated in this study. From the previous research, existing types are classified in order to define the exhibition space of room to room. Based on the classification, an open room to room of art museum is defined as a room to room of museum, and the plane of museums is investigated. With the museums under this study, the wall of a room to room exhibition space as well as the visual spatial configuration are analyzed depending on the location of an opening, centering on the composition of unit space. In addition, two types of spatial composition are compared depending on the location of the opening. One type of spatial composition is lied on a straight line with visual continuity, and the visual line is found to be simple. Whereas, the other type has an invisible configuration between spaces due to a criss-crossed opening, so the space is perceived to be closed and disconnected. When comparing these two types, the advantage and disadvantage of each space are compared. As a result, a similar type and size of unit space are derived. In addition, the ratio of the opening compared to the total wall was found to be uniform, and a distribution of the opening and walls were found.

Comparative Analysis of Department Window Display in Korea and the U.S.A. - Focused on the Christmas season in 2009 of department stores located in Seoul and New York - (한국과 미국 백화점 윈도우 디스플레이 비교분석 - 서울과 뉴욕 소재 백화점의 2009년 크리스마스 시즌을 중심으로 -)

  • Oh, Seung-Hee;Jeong, Yoo-Na
    • Korean Institute of Interior Design Journal
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    • v.20 no.4
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    • pp.109-117
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    • 2011
  • This study identified characteristics of Christmas window display, which is one of visual marketing methods used in department stores, using cases of department stores in Seoul and the New York and to compare the characteristics between Seoul and New York department stores in order to extract the directions and components of window display in each country. Based on the photographs of Christmas window display at the sampled Seoul and New York department stores, we analyzed the window display of each department store. From the results of analysis were drawn conclusions as follows. First, as to the direction of Christmas window display design in Seoul and New York department stores, window display was designed using various themes according to the characteristic of each department store. In case of Seoul department stores, however, specific luxury brands linked to the characteristics of the department stores displayed their products separately, but in New York department stores, various Christmas themes, images related to the department stores, and products were displayed together according to the characteristic of the department stores. Second, among display components, the formative structure and the frequency of mannequin use were different between Seoul and New York department stores. Various formative structures and diverse mannequins used in the window display of New York department stores played the role of stamping the brand image of each department store and exhibiting various designs through window display.

A Study on V.M.D(Visual Merchandising Design) Environment of Mobile Telecommunication Company Store (이동통신 회사 매장의 V.M.D(Visual Merchandising Design) 환경에 관한 연구)

  • Kim, Jong Sung
    • Journal of the Korea Academia-Industrial cooperation Society
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    • v.14 no.4
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    • pp.1589-1594
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    • 2013
  • V.M.D(Visual Merchandising Design) covers every space, environment, and visually stimulating factor. This includes not only the architectural appearance but interior, graphic sign boards, window display, layout, store appliances, lighting, and even the looks and service attitude that sales employees have and show to customers. V.M.D aims to display merchandise in multiple ways; to heighten brand images; to steadily lure many customers to the store. One of the characteristics that V.M.D has is, that this abandons the previous design concept which solely puts stress on luxurious interior-focused display; that this displays merchandise in a rational and systemic way and induces customers to buy products. In this regard, the objective of this study is to study brand perception and effect of V.M.D displayed in the stores, on customers, and thereby to present the concepts of V.M.D, suitable for display in the stores, which can be used continuously in the future.

A Study on Colour Recognition Based on Aspect Ratio (형태의 비율에 따른 색채 지각 관련 연구)

  • Hong, Ji-Young;Shin, Jin-Seob
    • The Journal of the Institute of Internet, Broadcasting and Communication
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    • v.20 no.4
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    • pp.123-128
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    • 2020
  • Technology in digital video has changed the functions of the digital video field based on various platforms, including streaming, on-demand, interactive, and data-based services. The displays that provide the visual representations of these digital video contents have also been improving with various changes. There is a variety of display screen ratios currently available, with the ratio of the display screen being based on the intended purpose. This study conducted a psychophysics experiment to examine the correlation between colour properties and shape ratio based on the display screen ratio, and then analysed the results. The colours used in the experiment were visual perception-based Munsell colours, and the hue, brightness, and chroma attributes were analysed according to the shape ratio to examine colour properties. The analysis of the results of this study defined the significance of the study as basic data for future studies on colour property changes based on shape ratio, and suggested directions for future studies.