• 한국정보통신학회논문지
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• 제15권7호
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• pp.1415-1422
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• 2011

본 논문에서는 풀 칼라 전광판에서 고효율의 해상도 표출을 위해서 듀얼 스캐닝 제어방식을 제안하고, 이를 이용해서 LED전광판의 고정된 픽셀을 영상신호에 따라 픽셀 도트 형태를 변화하게 하였다. 그리고 DICT(Dynamic Image Correction Technology) 메인 컨트롤러를 이용해서 동영상 정보를 히스토그램 균등화에 의거 영상 계조도의 값을 균일하게 분포하도록 하고, 동적 영역을 변환하여 화질을 개선하며, 입력 영상을 듀얼 오토 스캔 스위칭 컨트롤러로 전광판 내 LED Module의 픽셀을 물리적으로 제어함으로서 기존 전광판 LED 픽셀 도트의 표출 대비 4배의 고해상도 표출이 가능하도록 하는 기술을 제안하고 이를 시험제작을 통해서 그 성능을 입증하였다.

• 한국게임학회 논문지
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• 제16권6호
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• pp.69-78
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• 2016

FPS 게임 속 시가지 맵에서 간판, 현수막, 벽보 등의 옥외광고가 흔히 등장한다. 본 논문은 실제 상권들의 옥외광고를 FPS 게임의 시가지 맵에 자동으로 배치하는 방법을 제안한다. 옥외광고는 실제 제품이나 기업의 광고이며 서버에서 관리된다. 실제 광고가 업데이트 되는 경우 게임 소스를 수정하지 않고도 자동으로 배치된다. 광고의 배치에 있어서 플레이어의 위치와 실제 상권의 위치의 관계, 실제 상점의 서비스 형태 등을 활용한다. 수집한 속성들에 우선순위 점수를 부여하여 높은 순위가 우선적으로 맵에 배치된다. 제안하는 배치 방법은 플레이어의 위치를 기반으로 광고를 배치하므로 친근감 유발과 함께 광고 효과를 높일 수 있다.

• Wind and Structures
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• 제22권6호
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• pp.703-721
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• 2016

This paper presents a wind tunnel study of wind loads of the large billboard structures with two-plate and three-plate configurations. Synchronous dynamic pressures on the surfaces of plates are measured, and the characteristics of local pressures, integrated forces on each individual plate and on the overall structures are investigated. The influences of wind direction and plate configuration on wind load characteristics, and the contributions of overall crosswind load and torque to the stress responses are examined. The results showed that the wind load characteristics of windward plate in both two- and three-plate configurations are very similar. The contribution of overall crosswind load makes the total resultant force from both alongwind and crosswind loads less sensitive to wind direction in the case of three-plate configuration. The overall torque is lower than the value specified in current codes and standards, and its contribution is less significant in both two-plate and three-plate configurations.

• 정보처리학회논문지A
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• 제16A권5호
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• pp.307-318
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• 2009

컴퓨터 그래픽스에서 구름과 같은 대기 현상을 모델링하고 렌더링하는 것은 그 복잡성과 규모, 편재성 등으로 인해 상당히 까다로운 연구과제들 중의 하나이다. 본 논문은 컴퓨터 게임이나 항공 시뮬레이션 분야에서 요구되는, 실시간에 처리될 수 있는 구름 모델링과 렌더링 방법을 제안한다. 제안하는 방법은 사용자가 직관적이고 대화형 편집 과정을 거쳐 권운, 층운, 적운 등의 다양한 형태를 생성할 수 있다. 또한, 메타볼과 계층적 구형 파티클을 사용하여, 세부 묘사를 자동으로 추가할 수 있다. 생성된 파티클들은 다중 순방향 산란과 이방성 산란을 고려하여 빌보드 방식으로 출력함으로써 실시간 처리가 가능하다.

• 한국산업융합학회 논문집
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• 제25권6_2호
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• pp.1029-1036
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• 2022

The traditional outdoor advertising market has been stagnant recently, but the digital advertising market has been steadily increasing, and the digital signage market has been expanding despite the recent corona pandemic. However, in terms of hardware, new displays are required due to excessive power consumption, lack of visibility in sunlight, and continuous operating expenses. Since the e-paper display does not require a light emitting device therein, it is advantageous to solve above problems. In addition, it has the advantage of consuming power only when converting an image due to bistability, so it is suitable as hardware that implements images rather than moving pictures. Currently, one of the most successful examples of commercializing e-paper displays is ESL devices. According to a recent market study, the market for large-sized panels larger than 10 inches has grown at an annual rate of 21.6%, and the market is expected to exceed 30% by 2026. It is judged that it will be relatively easy to apply the roll-to-roll technology, which is currently developing the technology applied to OLED, to the e-paper display. Therefore, mass production technology and market expansion for ESL panel enlargement are expected, and a new market is also expected to be formed at the same time. New markets will be traffic signs, public displays, billboards, façades, kiosks, digital signage, and so on.

• 의료법학
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• 제9권2호
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• pp.269-308
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• 2008

The contemporary age is a period of PR for the self. Regardless of how good the quality of goods or services offered is, if it is not made known to the buyers, a sell is impossible. As a result, the contemporary man is flooded with advertisements and is living in a time of over-saturated information. This is not much different in the medical services sector, as it too is experiencing an overflow of information due to the expansion of advertisement approaches to include not only the previous positive-method, but also the negative-method. In tandem, recent advancements in electronics and information technology has made possible a rapid increase in then number of internet advertisements. However, outmoded medical law, which was created to regulate newspapers and billboards, is still being applied to regulate today's modem medical advertisements. At the same time, collateral ordinances such as "corrective statutes for signs and advertisements" are not sufficient in providing the necessary regulatory countermeasures. In the midst of all this, as IPTV is scheduled to be broadcast nationwide starting next year, and with the market for search advertisements and internet advertisements annually growing at a rapid pace, it has become evermore urgent to come up with an adequate regulatory measure. Consequently, it is necessary to look into the possibility of restricting the medium and content of internet medical advertisements as well as realistic schemes for its realization. In particular, regulatory measures that take into consideration the special characteristics of internet advertisements should be found, and the necessity of an prior deliberation procedure and the likelihood of introducing a certification system should be examined.

• 대한인간공학회지
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• 제32권2호
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• pp.167-177
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• 2013

Objective: This study aims to compare the usefulness of subjective measures which are comprised of existing methods like NASA-TLX, Bedford-scale and ZEIS and newly developed method like DALI in measuring drivers' mental workload in terms of validity, sensitivity and diagnosticity. Background: Nowadays, with the development of intelligent vehicle and HMI, mental workload of driver has become more and more important. For this reason, the studies on drivers' mental workload about driving situation and the use of information technology equipment such as mobile phones and navigations were conducted intensively. However, the studies on measuring drivers' mental workload were rarely conducted. Moreover, most of studies on comparison of subjective measures were used with performance based measure. However, performance based measures can cause distraction effect with subjective measures. Method: Participants (N=19) were engaged in a driving simulation experiment in 2 driving contexts (downtown driving and highway driving context). The experiment has 2 sessions according to driving contexts. The level of difficulties by driving contexts were adjusted according to existence of intersections, traffic signs and signals, billboards and the number of doublings. Moreover, as criteria of concurrent validity and sensitivity, the EEG data were recorded before and during the sessions. Results: The results indicated that all subjective methods were correlates with EEG in high-way driving. On the contrary to this, in downtown driving, all subjective methods were not correlates with EEG. In terms of sensitivity, multi-dimensional scales (NASA-TLX, DALI) were the only ones to identify differences between high way and downtown driving. Finally, in terms of diagnosticity, DALI was the most suitable method for evaluating drivers' mental workload in driving context. Conclusion: The DALI as newly developed method dedicated to evaluate driver's mental workload was superior in terms of sensitivity and diagnosticity. However, researchers should consider the characteristics of each subjective method synthetically according to research objective by selecting the method in subjective measures. Application: The results of this study could be applied to the intelligent vehicle and next generation of HMI design to decrease mental workload of driver and for the development of new subjective method in vehicle domain.

• 미술이론과 현장
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• 제16호
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• pp.41-69
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• 2013

The inauguration of the collective Reality and Utterance (Hy$\breve{o}$nsil kwa Par$\breve{o}$n) in 1979 and 1980 marked a watershed moment in Korean art. This is not only because the collective gave birth to the politically-engaged art movement that would come to be labeled "Minjung Art" by the middle of the 80s, but also because it enthusiastically embraced a wide range of images from the urban culture. With a special focus on the members' early work, my research explores an issue largely neglected in the dominant narrative of Minjung art as a form of activism against the authoritarian Korean government during the 80s. The issue is what was at stake in Reality and Utterance's exploration of contemporary urban visual culture. The aim of this essay is to recognize the engagement with the urban visual culture as central to the group's early project and to consider it at some distance from the anti-urban and anti-mass culture perspective which was endorsed by the Minjung narrative. Focusing on members' turn to urban visual culture, this essay instead argues that this turn was by no means merely a means to making art as social critique, but more importantly, it was an experiment with the shared image world, as opposed to the rarefied visual vocabularies of abstract modernism. Visual productions such as advertisements, billboards, posters, and kitsch paintings, which come from outside the narrow confines of fine art, were definitely ominous signs of the colonization of everyday life in the capitalist city, but at the same time they were anticipated to be a catalyst for redefining Korean art in a more communicative, accessible, and democratized way. In this regard, in the early 1980s-in particular 1980 and 1982-the members' gesture oscillated between critique and embrace, which allowed the group to occupy a unique domain in the realm of Korean art production.

• 한국정보통신학회논문지
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• 제14권7호
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• pp.1708-1714
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• 2010

본 논문에서는 기존의 full color LED 전광판에서 일반적인 화질 개선 혹은 화질 보정의 방법으로는 감마, 휘도, 명도조절 등으로 영상의 전체적인 색상과는 상관없이 일률적으로 밝게 혹은 어둡게 처리해 왔다. 그러나 단순히 표출되는 영상 자체의 휘도를 일정 크기로 일률적으로 휘도를 조정하는 방법은 입력되는 영상 신호의 특성을 반영하지 않아 단지 화면 전체가 밝아지거나 어두워졌다는 느낌만을 줄 뿐이다. 그래서 기존의 영상 전송 방식과는 다른 새로운 기술로 LED 전광판에 입력되는 영상 데이터의 히스토그램 분석을 통해 기준 휘도 값을 결정함으로써 입력되는 영상 데이터의 특성이 반영되고, 해당 기준 휘도 값에 따라 히스토그램의 분포를 제어함으로써 LED 전광판에 표출되는 영상 휘도를 균일하게 향상시킬 수 있는 히스토그램 분포 제어가 가능한 full color 전광판의 영상 구동 처리기술을 제안하였다.

• Asian Pacific Journal of Cancer Prevention
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• 제13권8호
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• pp.4173-4176
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• 2012

Background: Adolescent tobacco use is a major public health problem. However, there is little information about the impact of tobacco advertising and availability near schools on adolescent tobacco use in India. Methods: The various tobacco products and brands available in outlets within 100 meters of two high schools in an Indian town were identified. A stratified random sample of 172 participants from these two schools completed a questionnaire on tobacco use and socioeconomic status. Results: Eighteen outlets selling tobacco products were identified. In the two schools the current use of smoked and smokeless tobacco was 9.1% and 17.4% respectively. School location and low socio-economic status of adolescents were associated with tobacco awareness of advertisements (p=0.001) and the receipt of a free sample (p= 0.032). Advertisements on billboards, posters and the receipt of a free tobacco sample were significant factors (p=0.031, p=0.016, p=0.017 respectively) in current tobacco use. Conclusion: In this study a significant proportion of adolescents used tobacco. Tobacco-promotion activities (advertising, the receipt of a free sample), school location and economic status were found to be associated with adolescent tobacco initiation. The local environment should be included in the prevention of adolescent tobacco initiation.