USB DVR과 후방 카메라를 결합한 AVM 시스템 개발

김규현,장종욱,Kim, Gyu-Hyun,Jang, Jong-Wook 한국정보통신학회 2014 한국정보통신학회논문지 Vol.18 No.11

시중에 운전자의 편의성을 높여주기 위해 Around-View라는 카메라를 이용한 영상처리 장치가 판매되고 있다. 이 시스템은 운전자의 미숙한 조작 또는 운전자의 시야 확보가 불가능하여 발생하는 사고에 대해 사전에 미리 방지하고자 나온 시스템이다. 그런데, 편리한 운전을 위해 나온 시스템이 복잡한 설치 과정, 고가의 설치비용의 문제로 인하여 운전자들에게 널리 보급되지 못하고 있다. 첫째 고가의 장비, 둘째 어려운 개발 환경, 셋째 불편한 설치 과정 등의 문제점으로 인하여 운전자들은 이 시스템을 접할 기회가 힘들고 개발자들은 이 시스템을 개발할 엄두를 못 내고 있는 상황이다. 이 중 한 가지 문제점이라도 해결이 된다면 사용자들은 조금 더 저렴한 비용으로 이 시스템을 접할 수 있을 거라고 생각된다. 본 논문에서 제안하고자 하는 AVM(Around-View Monitoring) 시스템은 앞서 말한 세 가지의 문제점 중 고가의 장비, 불편한 설치 과정 이 두 가지 문제를 최소화 시킨 시스템이다. 저렴한 USB 장치와 후방카메라를 이용하여 구매 비용이 많이 발생하는 문제를 해결 하였다. 그리고 불편한 설치과정을 고려하여 최대한 설치가 용이하도록 개발 하였다. 이 시스템으로 인하여 소비자들의 가격 부담을 줄여주려고 한다. Around-View, the image processing device which increases the comfort of drivers is sold in the market. This system prevents accidents in advance while driving or parking. The accidents are caused with their inexperienced driving or bad visibility. It is developed for driving convenience. However, it dosen't spread to the driver widely due to the problem of the high installation costs and complex installation process. First, expensive equipment second, difficult development environment and third, inconvenient installation procedure. So the drivers don't have many opportunities to use this system and dare to develop this system. I think if one of the problems can be solved, users might be able to access this system at low cost. In this paper, the AVM(Around-View Monitoring) minimizes two of them. Expensive equipment, inconvenient installation. The costly problems were solved by using low-cost USB device and rear cameras. In view of inconvenient installation process, the new system was designed to make it easy for people to install it. Through this, it can ease the burden of consumers.

고속 고해상도 digital-to-analog converter의 설계

김규현(Gyu-Hyun Kim),양일석(Yil Suk Yang),박일용(IL Yong Park),노태문(Tae-Moon Roh),유병곤(Boung-Gon Yu),김종대(Jongdae Kim) 대한전자공학회 2003 대한전자공학회 학술대회 Vol.2003 No.11

탄소차액계약제도의 기본 구조와 우리나라 도입 시 고려요소

김규현(Kim, Gyu Hyun),이상림(Lee, Sanglim),이지웅(Lee, Jiwoong) 한국기후변화학회 2024 한국기후변화학회지 Vol.15 No.2

The Emissions Trading Scheme (ETS), which has been in effect since 2015, is Koreas core climate change policy, covering more than 70% of the countrys total greenhouse gas emissions. Although Korea has received positive reviews for being the second country in the world to implement a national ETS after the EU, there are skeptics about whether it is fulfilling its purpose of providing incentives to reduce greenhouse gas emissions. While both Korea and the EU have pioneered ETSs, they have not yet succeeded in attracting investment in the innovative low-carbon technologies needed to achieve carbon neutrality. The low level and high volatility of allowance prices have been cited as reasons for this, as low prices make it unprofitable to invest in expensive new technologies, while high volatility discourages long-term investment decisions. The Carbon Contract for Difference, which guarantees companies a high, fixed carbon price, has recently been discussed in the EU as a possible solution. This study provides an overview of the Carbon Contract for Differences, discusses its theoretical advantages, and examines whether it is appropriate for the Korean situation. This study also identifies five key components that should be considered for implementation of the contract: (1) strike price, (2) contract duration, (3) contract type, (4) selection process, and (5) targeted projects.

한국 산업자기의 발전방안 연구

김규현(Gyu Hyun Kim) 한국디자인문화학회 2008 한국디자인문화학회지 Vol.14 No.3

The 21stCentury`s rapid economic and social changes are no exception to industrial ceramics industry. Globalization and characteristic design settlement face worsening conditions in Korean industrial ceramics industry. Because the industry circumstances are not bring up to the products combined with the consumers` preference or taste, the purpose of consumption and usefulness in shape, color and esthetics. One of the nation`s fundamental industries in industrial ceramics has situated losing its ground. The scope of this study ranges from the important manufacturing nations of the Oriental countries to Western nations. Also it mentions the suggested development directions in three ways and includes the questionnaire on Korea`s 6 major manufacturing companies and 30 workshops and adds Korean ceramics` value creation views. Importantly, this study aims at deriving the current status of industrial ceramics and detailed development plans for new image creation for intensifying Korean industrial ceramics` international competitive power. Thus, creating the image establishment in Korean industrial ceramics` systematic development plans - arranged by the technical and policy sides-aremoreurgentandvital. In fact, this study advices the guiding solutions for the industry, educational institution and research firms to overcome international competition in the industry. First, fulfill the market demand in modernization and globalization of ceramic products by creating the characteristic Korean images. Second, the product development in industrial ceramic designs must put individuality. Third, even though the consumers` taste in purchasing, preference, usage, living pattern might change, the inner elements of product must remain and reveal Korea`s esthetics and/or beauty. Finally, the product manufacturing must be harmonized and supplement the manufacturing corporate image and strong brand image, so the market products would become higher valued commodities. Accordingly, this study comprehends the Korean industrial ceramic industry`s development plans in raw material processing factory`s systematization, support on artistic and highly-qualified designers, small and medium enterprises` upbringing for manufacturing specialization, educational institution`s efficient management for bring professionals and strengthening international competitive power by brand image promotion and esthetic product development. In conclusion, this study proposes Korean industrial ceramics` development plans to provide with opportunities in strengthening the international competitive power in this field. In respect to the outcomes, the inquiry has progressed with gathering, researching and evaluating a wide range of information to represent the solution. Among the included references are the Korean industrial ceramics` history, Western industrial ceramics history, national and international ceramics industry status, research on the improvement direction for the industry and Korean industrial ceramics` value creation. Foremost, based on the collaboration among the manufacturing industry, educational institution, research firms and government policy, the industry can attain Korean industrial ceramics development goals. The manufacturing and merchandising of Korean industrial ceramics are more radically prepared for product design, promotion, distribution, and after service. Those are the linking loop in newly succeeding ground for the tradition of Korean ceramics.

디지털디자인 전문인력 양성을 위한 인문학 교육의 필요성 연구

김규현(Kim, Gyu Hyun) 한국디지털디자인협의회 2014 디지털디자인학연구 Vol.14 No.4

본 연구는 디지털디자인 전문인력 양성의 근본적인 가치에는 디자인의 방법론 이전에 디자인과 인간에 대한 이해를 바탕으로 새로운 문제해결이 가능한 전문인력 양성이라는 프레임에서 핵심역량 강화에 목적이 있다. 디자인은 인간과 사회문화를 구조화시키는 맥락적 정의안에 준거하게 된다. 디자인의 경제적, 사회적 필요성은 태생부터 인간에게 필요한 무엇인가를 개발하고 새롭게 고치거나, 불편하지 않게 다듬는 과정에서 디자인의 가치가 발현되므로 디자인 매개과정의 중심맥락을 인문학적 사고에서 찾아야 한다. 또한 디자인은 인간생활의 욕구에서 발단하여 누구에게나 필요한 것이고, 디자인을 통해 보다 풍족하거나, 가치실현에 맞는 이상향에 대한 접근인 것이다. 디자인이 산업혁명 이전의 시대에는 그리 가치를 인정받지 못하였던 이유가 인간의 생활수준의 우선순위가 보기 좋은 현상이나, 보다 편리한 욕구 보다는 시급한 의식주의 해결이 먼저였기 때문일 것이다. 이러한 관점에서 디지털디자인 전문인력 양성의 기초에는 인문학적 교육의 기반이 담겨져야 할 것이다. 본 연구는 디지털디자인 전문인력 양성에 있어서 인문학적 사고와 인문학적 교육 방법이 단지 기능적인 전문인력의 양성이 아니라 디자인 현장에서 선도적인 역할을 수행할 수 있는 디자이너의 양성이 목적이다. 학생의 취업과 진로에 보다 대학의 본질적인 목적이 학생의 미래에 전문가로서 성장하기 위한 발판이기 때문이다. The design based on an understanding of the fundamental values of human and digital design expertise is positive. The purpose of the digital design professional workforce training professionals can solve this new problem. The context includes the definition of a structured human and socio-cultural design. Developing economic and social needs of the design is necessary to man something, do not fix or new, uncomfortable, is expressed in the refining process, the value of design. To find in the center of the design parameters humanistic thinking process. And also, The design starts from the needs of human life, and everyone will need, it is a valuable approach to meet utopia achieved through the design, or more affluent. Because it is the reason had not received the recognition of the value of the pre-industrial era the first design of living standards and human development ranking looks good, more convenient than the solution of food, clothing and shelter needs first. In this regard, it is necessary to base the design of digital humanities education in basic training professionals.

고해상도 2차 Sigma-Delta 변조기의 설계

김규현(Gyu Hyun Kim),양일석(Yil Suk Yang),이대우(Dae-Woo Lee),유병곤(Byoung-Gon Yu),김종대(Jongdae Kim) 대한전기학회 2003 대한전기학회 학술대회 논문집 Vol.2003 No.11

다중 카메라를 이용한 영상 정합 시스템 구현

김규현(Gyu Hyun Kim),백성현(Sung Hyun Baek),장현영(Hyun Young Jang),김진홍(Jin Hong Kim),Lionel Nkenyereye,장종욱(Jong Wook Jang) 한국통신학회 2015 한국통신학회 학술대회논문집 Vol.2015 No.1

고해상도 OEL 디스플레이를 위한 Gate 구동회로 설계

김규현(Gyu-Hyun Kim),양일석(Yil-Suk Yang),박일용(Il-Yong Park),이대우(Dae-Woo Lee),유병곤(Byoung-Gon Yu),김종대(Jongdae Kim) 대한전자공학회 2002 대한전자공학회 학술대회 Vol.2002 No.11

다양한 기포 크기에 의한 물질전달 특성과 산화효율 연구

김규현 ( Gyu-hyun Kim ),한인섭 ( Ihn-sup Han ) 한국수처리학회 2023 한국수처리학회지 Vol.31 No.1

This study analyzed the oxidation efficiency of dissolved ozone by applying different bubble sizes in relation to the transfer rate of ozone, which is a major influencing factor for the treatment efficiency of the ozone oxidation process. Air bubbles were injected into tap water to measure the oxygen mass transfer coefficient (KLa) and dissolved oxygen (DO) concentration. The dissolved ozone concentration was measured by injecting ozone bubbles into tap water. Oxidation efficiency was analyzed by injecting ozone bubbles of macro (3.7 mm), micro (44 μm), and nano (840 nm) sizes into soapy water and ink-mixed water. The smaller the bubbles, the higher the KLa, and concentrations of DO and dissolved ozone. When nano bubbles were injected, the total organic carbon (TOC) and color removal efficiencies were found to be the best at 41.7% and 90.1%, respectively. The results confirmed that for the same bubble volume concentration (BVC), the smaller the bubble, the better the material transfer and pollutant removal rates. In the case of nano bubbles, as the reaction tank grows, a stirrer device is required to confirm the mass transfer rate.

고속영상 신호처리용 10 비트 100 ㎒ CMOS 디지털/아날로그 변환기

김규현(Gyu-Hyun Kim),최일훈(Ill-Hoon Choi),장부철(Bu-Cheol Chang),주리아(Ri-A Ju),유상대(Sang-Dae Yu) 대한전자공학회 2001 대한전자공학회 학술대회 Vol.2001 No.11