• Title/Summary/Keyword: SeeSo

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Economic Effects of Early Voluntary Sectoral Liberalization on the Korean Deep-See Fisheries : Focused on the Effect of the Tariff Elimination (수산분야 조기자유화로 인한 우리나라 원양어업 파급효과 분석 : 관세철폐효과를 중심으로)

  • 김기수;장영수;김창완
    • The Journal of Fisheries Business Administration
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    • v.31 no.1
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    • pp.13-32
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    • 2000

  • This study tries to give an insight for fisheries policy makers to prepare policy proposals for Early Voluntary Sectoral Liberalization(EVSL) in the fisheries sector of APEC. To do so, the paper assesses the impact of EVSL on the fisheries sector, especially, Korean Deep-See Fisheries in quantitative way using the partial equilibrium analysis of Feenstra(1995). For the use of simple analysis, the paper focuses on the impact on trade flows and welfare of the elimination of tariffs on Korean Deep-See Fisheries among several measures of EVSL. The results from the quantitative analysis of the impact of EVSL on the Korean Deep-Sea Fisheries indicate that the increase of export is moderately higher than that of import and the total welfare effect is positive, even though a certain Deep-Sea Fisheries confronts a reduction of domestic supply basis.

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Historical Concideration of 「Yuk Dae Eui Hak Sung See」 in 『Eui Rim Chwal Yo』 (『의림촬요(醫林撮要)』의 「역대의학성씨(歷代醫學姓氏)」에 대하여)

  • Kim, Hong-kyoon
    • The Journal of Korean Medical History
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    • v.13 no.2
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    • pp.109-129
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    • 2000

  • The flamboyant progress of Korean Medicine in Mid-Chosun dynasty was possible with the existence of "Eui Rim Chwal Yo" and further more, it formed a main frame of "Dong Eui Bo Gam". Following results were lead to through comparing and analyzing "Yuk Dae Eui Hak Sung See", a chapter of "Eui Rim Chwal Yo". As well as "Yuk Dae Eui Hak Sung See" of "Eui Rim Chwal Yo" took the same chapter of "Eui Hak Ip Mun" as a main frame, it contains profiles of historic doctors and their clinical reports so that next generation doctors could follow, and furthermore had significant influences on Korean Medicine History, not to speak of "Yuk Dae Eui Bang" of "Dong Eui Bo Gam".

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Analysis of Color Error and Distortion Pattern in Underwater images (수중 영상의 색상 오차 및 왜곡 패턴 분석)

  • Jeong Yeop Kim
    • Journal of Platform Technology
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    • v.12 no.3
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    • pp.16-26
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    • 2024

  • Videos shot underwater are known to have significant color distortion. Typical causes are backscattering by floating objects and attenuation of red colors in proportion to the depth of the water. In this paper, we aim to analyze color correction performance and color distortion patterns for images taken underwater. Backscattering and attenuation caused by suspended matter will be discussed in the next study. In this study, based on the DeepSeeColor model proposed by Jamieson et al., we verify color correction performance and analyze the pattern of color distortion according to changes in water depth. The input images were taken in the US Virgin Islands by Jamieson et al., and out of 1,190 images, 330 images including color charts were used. Color correction performance was expressed as angular error using the input image and the correction image using the DeepSeeColor model. Jamieson et al. calculated the angular error using only black and white patches among the color charts, so they were unable to provide an accurate analysis of overall color distortion. In this paper, the color correction error was calculated targeting the entire color chart patch, so an appropriate degree of color distortion can be suggested. Since the input image of the DeepSeeColor model has a depth of 1 to 8, color distortion patterns according to depth changes can be analyzed. In general, the deeper the depth, the greater the attenuation of red colors. Color distortion due to depth changes was modeled in the form of scale and offset movement to predict distortion due to depth changes. As the depth increases, the scale for color correction increases and the offset decreases. The color correction performance using the proposed method was improved by 41.5% compared to the conventional method.

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수학교육에서 수학사적 고찰을 통한 기하학적.대수학적 두 접근 방법의 의의

  • 고상숙
    • Journal for History of Mathematics
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    • v.17 no.1
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    • pp.87-96
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    • 2004

  • This article dealt with two approaches, algebraic and geometric approaches in terms of Pythagoreans theorem. As mathematics evolves, many theorems had been developed beginning with geometric approaches. However, the algebraic techniques that survive these days are so powerful and generalized in school curriculum. So, if students have more chances to see mathematical properties in geometrical ways, they can experience how beautiful and meaningful they are through the process of the advent of them. Also, it was to try to develop an insight into their applications to other problems.

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