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      • KCI등재

        다중시기 위성영상을 이용한 3차원 웨이블릿 변환의 지구모니터링 응용가능성 연구

        류희영,이기원 한국지구과학회 2011 한국지구과학회지 Vol.32 No.6

        주기적이고 지속적으로 자료를 얻을 수 있는 위성영상은 지표면의 변화를 모니터링 하기 위한 매우 효과적인자료이다. 위성영상을 이용한 기존의 변화탐지 연구는 두 시점의 지표 특성을 각각 분석해 서로 비교하여 변화를 밝혀내는 연구를 주로 해왔다. 그러나 최근에는 연속성을 갖는 다중 시기 위성영상으로부터 전체적인 경향이나 단기적인 변화를 찾아내는 연구에 관심이 높아지고 있다. 이 연구에서는 다중 시기 위성영상을 분석하기 위해 3차원 웨이블릿 변환 기반의 기법을 제안하고 테스트해보았다. 3차원 웨이블릿 변환을 이용하면 자료의 중요한 특성은 보존하면서 차원을줄이는 것이 가능하다. 또한 다중 시기의 자료로부터 주요 패턴을 간추려 내고 공간, 시간적으로 인접한 주변 화소와의관계를 파악할 수 있다. 연구 결과, 3차원 웨이블릿 변환 기법은 전체적인 경향성이나 특별한 변화 특성을 빠른 시간내에 밝혀내는 데 유용할 뿐만 아니라 분해 방향에 따라 각기 다른 정보를 제공해 주는 하위 밴드를 통해 새로운 정보를 얻을 수 있을 것으로 기대된다. Satellite images that have been obtained periodically and continuously are very effective data to monitor the changes of Earth’s surface. Traditionally, the studies on change detection using satellite images have mainly focused on comparison between two results after analyzing two images respectively. However, the interests in researches to catch smooth trends and short duration events from continual multi-temporal images have been increased recently. In this study,we introduce and test an approach based on 3D wavelet transform to analyze the multi-temporal satellite images. 3D wavelet transform can reduce the dimensions of data conserving main trends. Also, it is possible to extract important patterns and to analyze spatial and temporal relations with neighboring pixels using 3D wavelet transform. As a result, 3D wavelet transform is useful to capture the long term trends and short-term events rapidly. In addition, we can expect to get new information through sub-bands of 3D wavelet transform which provide different information by decomposed direction.

      • 漢方治療用 藥材의 地域特産性 調査硏究 : 生産 및 消費構造를 中心으로

        辛民敎,柳聖圭,柳熙英 圓光大學校 1980 論文集 Vol.14 No.2

        According to my research on the subject the followings are the conclusions: (Ⅰ)We should study regional characteristics of productions. (Ⅱ)We need the investigation and analysis of the soil and herb's qualities. (Ⅲ)And also we should study the comparative research on the subject of fertilization and herb's qualities. (Ⅳ)The fact that time of partial harvest of each herbs is how effective on qualities should be investigated. (Ⅴ)The improvements of herb's storage and market system form should be considered seriously. (Ⅵ)For the purposes of the analysis of essential efficacies and economic circumstances about oriental medical herbs, I would like summarize as follows as my conclusions. 1. I proposed, already, introduced synthetically established larger planting areas according to the studies of environmental biology and its medical plnats and economics, constituting 91 kinds including Ostericum Koreana. 2. According to the conclusion that 87 kinds of Korean products and 157 foreign products under comparative researches, I found out that producing of other many medical herbs could be productive in Korean wasted lands considering those herbs can grow even on the sandy lands in foreign countries which are successful in prod-ucing fruitful plants. 3. It is well-known fact that the efficacies of every medical herbs are depend upon temperature, water permeabilty, basic fertilization and after-fertilization. Skin groups should be collected at June or July, medical groups full-bloom or little bit later, flower groups full-bloom or after that, all herbal medicine full-bloom time, the roots in March or September, the fruits or seeds in September or October. 4. All medical herb products should be controlled under the sponsor of Monopoly Bureau just as ginseng. 5. According to the reports of WHO it is learned that oriental medicines have impricated and natural meanings, and after the early 1970 the exports of Korean medical herbs to foreign countries showed very encouraging. 6. At any rate, above mentioned facts must be handled at the government(ROK) level.

      • KCI등재

        내의원(內醫院) 기록중(記錄中) 정신병류(精神病類)에 관(關)한 문헌적(文獻的) 고찰(考察)

        류희영,류영수,Ryu Hui-Yeong,Ryu Yeong-Su 대한한방신경정신과학회 1990 동의신경정신과학회지 Vol.1 No.1

        For giving a person to understand that the relation between being used medicine and psychiatric medicine in the Nae ui won(內醫院). The psychiatric medicine were studied in the Nae ui won's diary. The results are as follows ; 1. It is supposed that the symtoms of Geong Chung, Hyun hun (眩暈) and Bulmyn(不眠) mainly appeared in 1908. 2. It is supposed that the symptoms of Guibeong(氣病) and ulchung(蔚症)mainly appeared in 1920. 3. It is supposed that the symptoms of Guibeong(氣病) and Talyeong(脫營) mainly appeared in 1924. 4. There were Cheongshim(淸心), Anshin(安神) and chingan(鎭肝) which added to a regular medical prescription. Finally with the help of these conclusions of which we have refered, we found that the cause of disease were changed according to the social situation of being free or repressed, and it also coinside with what Nae ui won's record said and practical result.

      • KCI등재

        편의치적 해결을 위한 제주선박등록특구제도의 법적 지원 방안 연구 - 조세감면을 중심으로 -

        류희영,박성화 한국해법학회 2022 韓國海法學會誌 Vol.44 No.1

        The local tax reduction/exemption system for international ships according to the International Ship Registration System and the Jeju Ship Registration Special Zone System prevents national ships from leaving overseas due to convenience, and improves the international competitiveness of Korean shipping companies and the ripple effect on the national economy. has been introduced and operated for However, as the local tax reduction or exemption system of the system is operated as a sunset system, it is necessary to prepare fundamental measures for the permanent continuation of the system for the development of the shipping industry. From this point of view, this paper analyzes the legal and practical issues of convenience value and Korea's special ship registration system, and organizes the local tax taxation system imposed upon ship registration. We intend to present a method to secure legal stability by determining the validity of the application. As a result, it is not reasonable to apply the sunset system to the tax reduction or exemption of the Jeju Special Ship Registration Zone system, and it is difficult to secure a valid basis for not applying the sunset system to tax exemptions such as Article 106-2 of the Restriction of Special Taxation Act. . In order for Korea to continue to establish itself as a global shipping powerhouse in the future, a plan to induce a rational shipping tax reform in a broad sense should be prepared, and to establish a framework for the shipping industry and promote stabilization by reorganizing relevant laws to provide a permanent shipping tax. 국제선박등록제도와 제주선박등록특구제도에 따른 국제선박에 대한 지방세감면특례제도는 편의치적으로 인한 국적선대의 해외 이탈을 방지하고 우리나라 해운기업의 국제경쟁력과 이를 통한 국가경제의 파급효과 등을 제고하기 위해 도입 및 운영되어왔다. 그러나 제도의 지방세감면 특례가 일몰제로 지속 운용됨에 따라 해운산업 발전을 위해 제도의 영구존속에 대한 근본 대책을 마련할 필요가 있다. 이러한 관점에서 본 논문에서는 편의치적의 법적․실무적 쟁점과 우리나라 선박등록특구제도를 분석하였으며, 선박 등록 시 부과되는 지방세 과세체계를 정리하고 일몰조항 삭제, 세율 지정 등의 법률적 개선방안을 모색하였다. 향후 우리나라가 지속적으로 글로벌 해운강국으로 자리매김하기 위해서는 넓은 의미의 합리적 해운 세제 개편 유도방안이 마련되어야 하며, 영속적인 해운 세제 마련을 위한 관련 법령 재정비로 해운산업의 기틀을 정립하고 안정화를 도모해야 한다.

      • KCI등재
      • 탐구형 기하 소프트웨어 환경에서 피드백을 활용한 증명학습에 관한 연구

        류희영,조민식 한국교원대학교교육연구원 2006 敎員敎育 Vol.22 No.3

        탐구형 기하 소프트웨어의 환경에서 기하교육이 유용하다는 많은 연구 결과가 있었다. 본 연구에서는 소프트웨어의 환경에서 교사가 적절한 피드백을 주었을 때 작도문제를 통한 증명학습에 어떠한 영향을 주는지에 대하여 분석하였다. 그 결과 교사는 학생들의 수준을 적절히 판단하여 적합한 피드백을 줄 수 있고 학생들의 사고력의 향상과 지속성을 관찰할 수 있었고 학습태도에 긍정적인 영향을 끼치는 것으로 나타났다. The purpose of this study is to investigate, through case study, how the feedback with dynamic geometry software has influence on the improvement of proof learning and student's attitude. Analysis of data including worksheets, computer activities, and interviews revealed that collaborative learning is enhanced and student's attitudes could be changed positively.

      • KCI등재

        곽란 類型別 治法 및 治方에 關한 文獻的 考察

        柳熙英 대한동의병리학회 1984 동의생리병리학회지 Vol.1 No.-

        1. Meeg-Mun-Dong Tang,Gi-je Tang, Buja-Ri-goung Tang, Hwang Ryeon-Hyang-Yu-Eum, Hyang-Yu san were frequently used for all the types of acute gestroenteritis. 2. Gwap-Hyang-Jeong powder Ri-Geung Tang, Mog-YU Powder, Hyang-Si Tang Shin Chul powder, and Gye Gwan powder were used for vomiting and diarrhea. 3. Sam Ho Sam Beag Tang, Ri Gong Tang were used for the sequealae of acute gestroenteritis and chanenomeles sinensis was not used. 4. For the cramps, chaenomeles sinensis was frequently used, Buja Rigung Tang added gympsum was specific and the mexibustion was the most frequently used. Buja Ru Jung Tang added gysum was specific and the maxibustion was the most frequently used. Geum Aeg Dan was used for the cramps and drid acute gestroenteritis. 5. Gang Yeom Tang as vomiting therapy was the representative prescription for infections diseases and cholera, therefore the oriental medicine was newly prescribed for the cholera and pest. It was considered that Bomyung dan and Geum Aeg Dan were traditional prescription and gabil tabult and Wa-Ryong Dan needed the further research. 6. Fasting was stressed for acute gestroenteritis considering the above results, the prescriptions of acute gestroenteritis, Cholera, difficulty in urination and defecation and Sunstroke were differentiated.

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