• Archives of design research
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• v.14 no.3
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• pp.187-196
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• 2001

With the introduction of Macintosh computer in 1984. the environment of typography design has been digitalized rapidly. Although it has been less than 20 years, typography went through dramatic changes more than any period in the design history. Digital technology saved the time and efforts in the process of design works. The new temporal and spatial elements opened new dimensions and made it possible for typography to challenge for new experiments. On the other hand, with the overuse of digital technology, design works lack of originality and quality have been produced a lot. The purpose of this thesis is to propose the direction of the typography in the turbulent digital environment. To fulfill this goal, I have researched the typographic changes due to the technical innovations, and the experimental works of pioneering designers. As a result, I propose that the direction of digital typography is to combine the strengths and value from the historic heritage as well as digital technology, and to explore new possibilities of digital typography.

• Journal of the Korea Society of Computer and Information
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• v.12 no.3
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• pp.59-65
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• 2007

In this paper, we proposed the DRM(Digital Rights Management) system that allows to redistribute contents safely based on home domain. This DRM system for contents redistribution within home domain can solve the restriction and the inconvenience occuring in using contents and at the same time protect the right of contents producer and provider as well. To play contents using home digital device, we must build home domain for contents redistribution among devices. That is to say, devices that are registered with home domain can redistribute contents to other devices at same domain. The domain must send redistribution-specifics to DRM server, so that user can pay reasonable amount for using the contents. Futhermore, by restricting within domain the right of contents redistribution, one can strictly prohibit the illegal redistribution.

• Design Convergence Study
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• v.14 no.5
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• pp.31-45
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• 2015

Recently, due to the development of interactive media, Interactive Typography, which explores user input and interaction is under development. Unlike traditional typography which has a fixed nature, the flexible and fluid nature of Interactive Typography and Interactive System, enables diverse results. In this study, I have developed an Interactive Typography art piece based on theoretical research. By reviewing books, papers and articles, I have tried to define the meaning and characteristics of Interactive Typography. In understanding the concept of Interactive System, I have borrowed the concept of mathematical function. Based on the research, I have designed and developed an Interactive Typography piece, 'Interactive floral type' by using Adobe flash action script. This piece explores the beautiful shape of each alphabet letters and transforms individual character into a 'flower' shape through user's mouse and keyboard input. Depending on the input the size, color, and layout and motion of text changes in real time to change the letters into beautiful flowers.

• Journal of Digital Contents Society
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• v.12 no.4
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• pp.541-550
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• 2011

MotionTypography is crucial to effective emotional communication in digital society. In this paper, I study movements to represent emotion using motiontypography and approach two goals: First to define an emotional measure by means of emotion assesses by the public, Second to research image characteristics corresponding to movements. In this dissertation, we collect emotional words by literature and experimental surveys and extract representative emotional words using KJ method and clustering analysis. The results of research, the emotional axes selected for motiontypography represent 'calm to active' and 'soft to stiff', the viewers feel a specific emotional state from some movements of motiontypography. If, we investigate the relationship of motiontypographic visual elements with emotional words are achieved together, I think it will serve as a motiontypographic guideline that enables helping the public to easily produce motiontypography.

• Archives of design research
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• v.20 no.1 s.69
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• pp.219-228
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• 2007

Printing advertisement is aggregate of commercial information communication text consisted of image sign and language sign. This means that verbal tabor through visual stimulation and character is mixed and passes information through picture. Typography is process that visualize verbal appeal in printing advertisement. Therefore study about typography is very important for a visual expression element in printing advertisement. Typography expression of Korean printing advertisement accomplished fast qualitative growth after 2000 flowing the 1990s. This study makes that typography expression propensity of Korean printing advertisement after 2000 of changed of expression structure, changed of expression rule, changed of expression method etc. Accordingly, extracted each three analysis bases. And this study presented expansive direction of typography expression of printing advertising in case studies.

• Proceedings of the Korean Institute of Information and Commucation Sciences Conference
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• 2013.05a
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• pp.165-166
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• 2013

The principle of human perception, behavior, and thought is presented in the traditional interface design study that is ease to use and increase the learn-ability. We believe that the usability is related to user's affection. The goal of this paper is to investigate how visual metaphor works in usability and affection in interface to analyse the effect of visual metaphor to user affection. Literature reviews for the concept of metaphor and affection design conducted. We analyse the effect to user's affection through think-aloud i.e. protocol analysis for metaphor.

• The Journal of the Korea Contents Association
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• v.10 no.11
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• pp.80-91
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• 2010

Typography is very important for the delivery of information and for its aesthetic functions, typography focuses on facilitating faster and easier legibility for audience in modern society. But analysis for pre-studies for typography are limited in trend in the center of Kinetic Typography, dissolution of typography and territory extend as well as its typography analyzed by plastic arts aspects to acutely requiring expressing strategy and study based on typographic theory in working-level are insufficient. This study is to apply systematic theory to typography in order to suggest guidelines for increasing utility of typography for graphic design. It presents case studies, organized by theme, focusing on graphic design artworks featured in world-renowned specialty publications like the Creative 38 Annual Awards during 2008 and 2009. For practical help to designers engaged in various projects, it also suggests practical tactics for development that may enhance creative strategies in the creation of designs adopting typography. This study offers systematic usage methods of typography to the practical graphic designers and expected to contribute to the development of graphic designs that stimulate the visual senses of their audiences.

• KOREAN JOURNAL OF PACKAGING SCIENCE & TECHNOLOGY
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• v.19 no.1
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• pp.35-41
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• 2013

This study investigated the effect of functional MA films (FMA) incorporated with zeolite powder treated with 1 N HCL solution and anti-fogging agent on the freshness extension of Satsuma mandarin. Preference, weight loss, total ascorbic acid, sugar content, titratable acidity and gas composition in package of Satsuma mandarin were evaluated during storage at $15^{\circ}C$. After 120 days of storage, the weight loss of mandarin packed with LLDPE film (control, L) was 1%, FMA film (CA) was 1.6%. Total ascorbic acid content of Satsuma manderin in control was 19.97 mg%, those of CA was 24.25 mg%. The titratable acidity of Satsuma manderin in CA was higher than that of control, while soluble solids content of CA was lower than that of control after 120 days. Ethylene gas content of control was 89.5 ppm and those of CA was 73.6 ppm after 120 days. Quality of Satsuma mandarin packed with CA was better than that of control. It was verified that shelf-life of Satsuma mandarin in control was 100 days and those of CA film was 130 days. Quality of Satsuma mandarin was few different between treated with anti-fogging agent and non-treated, but commodity of film treated with anti-fogging agent was considered better than that of non-treated.

• Proceedings of the Korea Water Resources Association Conference
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• 2015.05a
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• pp.425-425
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• 2015

본 연구는 밭에서 발생하는 비점오염원의 저감 효과를 분석하기 위하여 최적관리기법(BMPs) 중 경운방법과 침투짚단을 하여 효과를 분석하고자 하였다. 시험포 1개의 면적은 $150m^2$ (폭 5 m, 경사장 30 m)이며, 모두 사질토의 특성을 가진 토양이다. 시험포는 총 8개(경사도 3% 4개, 8% 4개)로 각각 무경운 시험포 2개와 경운 시험포 1개 그리고 침투 짚단을 설치한 경운 시험포 1개로 경사도와 영농방법을 다르게 조성하였다. 실험의 오차를 줄이기 위하여 강우지속시간과 강우량 그리고 강우강도가 일정한 인공강우 실험을 수행하였으며, 실험시 바람에 의한 강우량의 오차를 줄이기 위해 날씨가 맑은 날에 실시하였다. 또한, 선행무강우일수 7일로 유지하여 토양의 함수비를 동일한 조건이 되도록 하였다. 총 3회의 인공강우실험에서 강우강도는 30 mm/hr 이였으며, 강우로 인해 발생한 유출수는 수위를 측정한 뒤, 수위-유량곡선식을 이용하여 유량으로 환산하였으며, 이때 수질시료를 채취하였다. 채취된 수질시료는 $BOD_5$, $COD_{Cr}$, $COD_{Mn}$, TN, TP, DOC 등의 6개 항목을 분석하였다. 연구결과 경사도 3%의 침투짚단 시험포에서 오염부하는 경운 시험포 대비 $BOD_5$는 25.4%, $COD_{Cr}$은 20.5%, $COD_{Mn}$은 2.1%, DOC는 40.8%, 영양염류인 TN과 TP는 각각 23%와 8.7%가 저감되는 것으로 나타났다. 또한 경사도 3%의 무경운 시험포에서 오염부하는 경운 시험포 대비 $BOD_5$는 57.5%, $COD_{Cr}$은 59.8%, $COD_{Mn}$은 65%, TN과 TP는 65.4%와 75%로 저감되었다. 그리고 경사도 8%에서 경운 시험포대비 침투짚단 시험포의 오염부하는 $BOD_5$ 19.6%, $COD_{Cr}$과 $COD_{Mn}$은 각각 7.8%와 10% 그리고 영양염류인 TN은 15.5%, TP는 11.2%가 저감되는 것으로 나타났다. 경사도 8%에서 무경운 시험포에서는 경운 시험포 대비 $BOD_5$ 70.9%, $COD_{Cr}$과 $COD_{Mn}$은 각각 74.9%와 81.3% 그리고 영양염류인 TN은 70.2%, TP는 70.1%가 저감된 것으로 나타났다. 본 연구결과와 같이 경운을 하는 관행방법에 비해 토양의 침투능이 유지할 수 있는 무경운 방법이나 침투짚단을 활용하는 방법이 밭에서 발생하는 비점오염원을 저감할 수 있는 것으로 나타났다. 그러나, 본 연구의 결과는 3번의 인공강우 실험을 통해 분석된 결과로써 추가적인 연구를 통해 다양한 경사도와 영농방법에 따른 비점오염물질의 저감효과를 분석해야 할 것으로 보여진다.

• Proceedings of the Korea Water Resources Association Conference
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• 2023.05a
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• pp.468-468
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• 2023

최근 급격한 기후변화에 의한 이상가뭄 발생 등을 대비하기 위한 비상용수 또는 대체 수자원으로서의 지하수 개발수요가 증가함에 따라 기저유량 확보 및 수질개선 방안을 수립하는 것은 지속가능한 수자원 이용 관리 측면에 있어서 매우 중요하다. 국내 지하수 사용에 따른 하천유량의 변동에 관한 연구는 활발히 진행되었으나, 실질적으로 적용가능한 지하수 저감 방안 및 지하 수질개선방안에 대한 연구는 미비한 실정이다. 이에 본 연구에서는 바이오차를 이용하여 시험포를 설계 및 시공하였으며, 실내 인공강우 실험을 통해 지하 침투수 확보 능력 및 수질개선 효과를 평가하였다. 대조구는 폭 1 m × 길이 1 m × 깊이 0.60 m로 시공하였으며, 바이오차 시험포는 폭 1 m × 길이 1 m, 시험포 상단과 하단 각 0.10 m씩 대조구와 동일한 흙으로 채웠으며, 그 사이 0.40 m만큼은 바이오차를 채워서 시공하였다. 시험의 정밀도를 높이기 위해 동일한 조건으로 대조구와 바이오차 시험포 각 2개씩, 총 4개의 시험포를 시공하여 실내 인공강우 실험을 진행하였으며, 시험포에서 발생한 직접유출수와 기저유출수를 이용하여 바이오차의 지하 침투량 확보 및 수질개선효과를 분석하였다. 시험포 완공 후 총 2번의 실내인공강우 실험 결과 대조구에서 발생한 직접유출량은 총 0.214 m³, 바이오차 시험포에서는 총 0.194 m³로 대조구 대비 총 직접유출량 저감효과는 9.4%로 나타났다. 기저유출의 경우 바이오차 시험포(0.036 m³)에서 대조구(0.003 m³) 대비 약13배 많은 양의 기저유출수가 발생한 것으로 나타났다. 각 시험포에서 발생한 유출수의 오염부하를 산정해 대조구 시험포 대비 바이오차 시험포에서 발생한 직접유출수의 오염부하 저감효과를 분석한 결과 BOD₅ 항목과 COD_Mn 항목, 그리고 TOC 항목의 경우 26.3%과 22.0%, 그리고 27.6%로 저감 된 것으로 나타났으나, SS 항목과 T-N 항목, 그리고 T-P 항목의 경우 저감효과가 없는 것으로 나타났다. 이와 같이 바이오차는 지하 침투수 확보 능력은 효과적인 것으로 나타났으나, 직접유출수의 수질개선 효과는 미비한 것으로 나타났다. 그러나 바이오차의 지하 침투량 및 수질개선 효과는 바이오차 생산 시 사용된 열분해 방식, 사용된 바이오차의 양 등에 따라 편차가 클것으로 판단되며, 바이오차의 생산 방법, 토양 흡착 기간, 바이오차의 양 등 다양한 조건에서의 모니터링을 통해 정량화 되어야 할 것으로 판단된다.