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김현태 ( Hyuntae Kim ) 연세대학교 법학연구원 의료·과학기술과 법센터 2015 연세 의료·과학기술과 법 Vol.6 No.1
The fad word ``Eu-ri`` has swept across Korea last year. ``Eu-ri`` has been originally used by actor Bo-sung Kim SInce long time ago, but comedian Kuk-ju Lee adapted the fad word at a gag program. Many commercial films are based on the fad word ``Eu-ri`` nowadays. But Bo-sung Kim gets a lot of chances to take a commercial film, although Kuk-ju Lee did an important role on the popularity of the fad word ``Eu-ri``. Besides, Bo-sung Kim doesn``t use the fad word like he has used till now, but borrows Kuk-ju Lee``s style. After focusing on the fact that Lee parodied Kim``s fad word and Kim took many commercial films due to the popularity of the fad word made by Lee, each facts are analyzed from the aspects of each law. From the Copyright Law``s View, copyright cannot be recognized on the fad word ``Eu-ri`` itself. It is required to attain the high extent of creativity to have the valid copyright under the Continental Law system. But fad words, which are too short to contain any value in the usage, barely are recognized to attain copyright. No problem arise from the aspect of demonstration imitation either. Intangible imitation is not acknowledged at Korea. Lee``s parody and Kim``s act on commercial films are also their own demonstration. Besides, the fact that ordinary people might not confuse between Kim and Lee can also be considered, as well as Lee``s creative effort is reflected on the parody. From the Publicity Right``s view. Lee and Kim doesn``t seem to infringe each other``s right. Because not only parody only take a little possession of whole performance but also it IS hard to say that the value is diluted due to repeated exposure. From the Unfair Competition Prevention and Trade Secret Protection Act``s view, Kim``s decision to take commercial films might cause problems. Lee``s parody on the gag program doesn``t consist the competition between Kim. But Kim``s acting similar character with Lee on commercial films might cause unfair competition. Especially, according to the general article which is introduced February 2014, taking commercial film can be categorized as one part of celebrity``s business, and Kim``s taking commercial films can be seem as hijacking a popularity of Lee``s comedy. Taking economic benefit by imitating celebrity``s performance is becoming a serious problem in Korea. Other than Kim``s episode, radio advertisement which imitates fad word was pointed out to infringe celebrity``s right. Adopting the logic which is similar to overtaking right can be also considered as a good method to protect celbrity``s right about their performance.
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김현태,정지열,조숙희,이경갑,김재훈,김재훈,Kim, Hyun-Tae,Jung, Ji-Youl,Jo, Suk-Hee,Lee, Kyoung-Kap,Kim, Jae-Hoon,Kim, Jae-Hoon 대한수의학회 2010 大韓獸醫學會誌 Vol.50 No.2
A 2-month-old male Jeju native black calf with respiratory distress was died and requested to the Veterinary Pathology Laboratory of Jeju National University for diagnosis. Grossly, lungs were focally attached to the pleura and heart with fibrin. Purple red sublobar consolidations were distributed in both apical and cardiac lobes of lungs. Histopathologically, diffuse severe bronchointerstitial pneumonia characterized by multifocal necrotizing bronchiolitis, formation of numerous multinucleated syncytial cells in bronchiolar and alveolar lumens, and diffuse alveolar wall thickening were observed in lungs. Eosinophilic intracytoplasmic inclusions were observed in bronchiolar epithelial cells and syncytial cells. According to reverse transcriptase polymerase chain reaction (RT-PCR), bovine respiratory syncytial virus (BRSV) was detected in the lung of calf. Based on the histopathologic findings and RT-PCR, this calf was diagnosed as BRSV infection. In our best knowledge, this is the first case of BRSV infection in Jeju native black calf.
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포토마스크 펠리클 제조를 위한 Aluminum Frame 표면 세정공정 연구
김현태,김향란,김민수,이준,장성해,최인찬,박진구,Kim, Hyun-Tae,Kim, Hyang-Ran,Kim, Min-Su,Lee, Jun,Jang, Sung-Hae,Choi, In-Chan,Park, Jin-Goo 한국재료학회 2015 한국재료학회지 Vol.25 No.9
Pellicle is defined as a thin transparent film stretched over an aluminum (Al) frame that is glued on one side of a photomask. As semiconductor devices are pursuing higher levels of integration and higher resolution patterns, the cleaning of the Al flame surface is becoming a critical step because the contaminants on the Al flame can cause lithography exposure defects on the wafers. In order to remove these contaminants from the Al frame, a highly concentrated nitric acid ($HNO_3$) solution is used. However, it is difficult to fully remove them, which results in an increase in the Al surface roughness. In this paper, the pellicle frame cleaning is investigated using various cleaning solutions. When the mixture of sulfuric acid ($H_2SO_4$), hydrofluoric acid (HF), hydrogen peroxide ($H_2O_2$), and deionized water with ultrasonic is used, a high cleaning efficiency is achieved without $HNO_3$. Thus, this cleaning process is suitable for Al frame cleaning and it can also reduce the use of chemicals.
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김현태,김대진,원치선,Kim, Hyun-Tae,Kim, Dae-Jin,Won, Chee-Sun 대한전자공학회 2000 電子工學會論文誌-SP (Signal processing) Vol.37 No.5
In this paper we compare two frequency domain digital watermarking methods for digital Images, namely DCT(Discrete Cosine Transform) based and DFT(Discrete Fourier Transform) based methods. Unlike DCT coefficients, which always have real values, DFT coefficients normally have complex values Therefore, the DFT coefficients have amplitude and phase components Among them, the phase components are known to carry more Important information for the Images. So, we insert the watermark to the phase of the DFT coefficients only This DFT watermarking method is compared with the conventional DCT based watermarking method for the object-based watermarking problem. Experimental results show that the DFT-phase based method IS more robust to general Image processing attacks including resize, lossy compression(JPEG), blurring and median filtering. On the other hand, the DCT based method is more robust to the malicious attack which inserts different watermarks. 본 논문에서는 디지털 컨텐트(Digital Content)의 저작권 보호를 위한 워터마크 삽입방법 중 DCT(Discrete Cosine Transform)를 이용한 워터마크 기법과 DFT(Discrete Fourier Transform)를 이용한 워터마크 기법을 비교하여 본다 주파수 변환 방법에 있어서 DCT는 영상의 주파수 상관관계에 따라 실수의 주파수 계수 값을 가진다 그러나 영상을 DFT 주파수 변환 시켰을 때는 주파수 성분이 복소수 값의 형태를 갖는 진폭 성분과 위상성분으로 나누어지는데 그 중 위상성분은 영상의 형태학적 정보 등 여러 가지 중요한 정보들을 포함한다 따라서 위상성분에 워터마크를 삽입함으로써 보다 강인한(Robust) 성질을 지닐 수 있다. 본 논문에서는 DCT 기반의 워터마킹 기법과 DFT 기반의 워터마킹 기법을 각각 객체 단위 워터 마킹 기법에 적용하여 비교하였다 비교결과 DCT를 이용한 워터마크의 삽입 방법에 비해 DFT의 위상성분에 워터마크를 삽입하는 것이 일반적인 영상처리(사이즈 변화, 손실 압축(Lossy Compression), Blurring, Median, Distort등)에 강인한 결과를 나타내었고 반면에 DCT를 이용한 워터마크 삽입 기법은 영상 공격자의 의도적인 공격(다른 워터마크 삽입 등)에 있어서 DFT 위상성분에 삽입한 결과에 비해 더 좋은 결과를 나타내었다.
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건설현장 스마트 안전대 사용자별 인식 차이에 관한 연구
김현태,안창범,박문서,Kim, Hyeon-tae,Ahn, Chang-bum,Park, Moon-seo 한국건설안전학회 2021 한국건설안전학회 논문집 Vol.4 No.1
추락사고 방지를 위해 근로자의 단순 실수와 부주의까지 포용할 수 있도록 건설현장 스마트 안전장비 사용 의무화 등의 정책 및 법령이 시행됨에 따라, 스마트 안전장비 기술 개발 및 현장 도입에 대한 관심이 더욱 증가되고 있다. 그러나 스마트 안전장비의 잠재성에도 불구하고, 사용자에게 채택되거나 사용되지 않으면 건설 안전에 기여할 수 있는 기회는 주어지지 않는다. 본 연구의 목적은 추락사고 방지를 위한 스마트 안전장비의 성능과 특징에 따른 사용자별 인식과 기대의 차이를 통해 스마트 안전장비 채택에 관한 결정요인을 조사하는 것이다. 이를 위해 스마트 안전장비 중 최근 국내/외에서 기술개발 및 연구가 활발히 진행 중인 스마트 안전대에 대한 안전관리자 및 근로자의 인식을 조사하였다. 연구 결과는 스마트 안전장비에 대한 사용자별 인식 차이를 확인함으로써 건설현장 추락사고 방지를 위한 스마트 안전장비 도입 활성화에 관한 통찰을 제공할 것이다. To prevent fall from height, interest in the development and introduction of smart harness is increasing as policies and laws such as mandatory use of smart safety equipment at construction sites. However, despite the potential of smart harness, construction safety cannot be contributed unless adopted or used by users. The objective of this research is to examine the perception between safety managers and workers on smart harness, user perception according to user's experience and differences through semi-structured in-depth interviews. As a result of the interview and comparative analysis, both safety managers and workers perceived smart harness as uncomfortable, and workers with experience in using smart harness perceived that simple functions that inform risks are useful for securing safety. This research results show different user's perception of smart harness can be confirmed how much factors affect the use of smart harness, which can provide implication into establishing measures to strengthen the use of smart harness in the future.
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균열저류층에서 이수손실방지를 위한 시추기술 및 현장사례 연구
김현태,홍시찬,윤재필,박용찬,Kim, Hyun Tae,Hong, Si Chan,Yoon, Jae Pil,Park, Yong Chan 대한자원환경지질학회 2016 자원환경지질 Vol.49 No.1
전 세계적 유 가스전에서 균열저류층의 비율은 매우 높다. 따라서 경제적인 유가가 뒷받침 될 경우 균열저류층에 대한 시추기술 수요는 계속 증가될 전망이다. 이 해설논문의 목적은 균열저류층에서 이수손실을 방지하는데 적합한 시추기술 선정에 도움을 주기 위한 것이다. 이러한 목적을 달성하기 위해 균열저류층을 이수손실의 규모에 따라 부분 이수손실지층과 전체이수손실지층으로 재분류하였다. 부분이수손실지층의 시추 시에는 이수 첨가물인 이수손실방지제와 시멘트 스퀴징 방법이 유용하며, 전체이수손실지층에서는 천부의 경우 케이싱시추방법이, 심부의 경우 이수캡시추 기법이 이수손실을 방지하는데 유용한 시추방법인 것을 알 수 있었다. 이러한 결과는 이탈리아 Medusa-1과 카타르의 North field 현장사례를 통해서도 확인할 수 있었다. The ratio of fractured reservoir is very high in oil & gas fields around the world. The demand of drilling technology for fractured reservoir is expected to increase continuously if oil and gas prices are economical. The purpose of the review study is to help operator or driller in selecting of proper drilling technology for preventing a lost circulation in the fractured formation. In order to achieve this goal, fractured reservoir(formation) they are classified into partial lost circulation formation and total lost circulation formation. In case of partial lost circulation formation, the drilling problem can be solved by using LCM(lost circulation material) mud additive and squeezing cement. For shallow depth, total lost circulation formation can be drilled safely and economically with casing drilling method. Also, for deeper depth, problems of total lost circulation in formation can be solved by applying mud cap, which is one of the drilling methods. This was confirmed through field application such as Italy's Medusa-1 field and Qatar's North field.
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간척지 흙의 암거 설치조건에 따른 제염 특성의 이론적 해석
김현태,서동욱,류찬호,김석열,Kim, Hyuntai,Seo, Donguk,Yoo, Chanho,Kim, Seogyeol 한국농공학회 2015 한국농공학회논문집 Vol.57 No.3
Cultivation on reclaimed tidal land is often difficult in the problem such as high salinity of soil, bad drainage because of high level of groundwater. Many researches have been made efforts to solve these problems, but effect of improvement is low and practicality is insufficient. In this study, through numerical analysis of the transport properties of salt and water, we suggested underground drainage of the reclaimed land and the desalination promotion methods in the soil. The results of characteristic of desalination and seepage analysis of underdrain show that underdrain is able to increase twice of the underground seepage amount when installing perforated pipe with horizontal filter (width 50cm) more than installing only the perforated pipe. For soil which coefficient of permeability is below $1{\times}10^{-4}cm/s$ that desalination with pond water is not possible, a method to increase the permeability of the soil is necessary. Therefore, it was concluded that application of underdrain using perforated pipe with horizontal filter would be low-cost and practical.
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