• Title/Summary/Keyword: 중심과 주변

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A Study of Ecological Design Strategies Around National Parks - A Case of Moodeungsan National Park in Korea - (국립공원 주변지역의 생태디자인 적용방안 연구 - 무등산 국립공원을 중심으로 -)

  • Jeong, Kyongyeon;Byun, Byungseol
    • Journal of Wetlands Research
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    • v.18 no.1
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    • pp.1-9
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    • 2016
  • Areas around of National Park have been severed eco-corridor of wildlife due to urban expansion and development. Habitats have been fragmented into small pieces. Habitat fragmentation reduces the biodiversity of organisms because the exchange loss and inbreeding of wild fauna and flora. The main cause of the fragmentation of ecological networks in areas around of Moodeungsan National Park are are that the cemetery, cutting of mountain, roads, public parking lots, mountain encroachment by land, urban infrastructure, electric transmission towers, urban area. Area around of National Park must be equipped with ecological networks through an ecological design that can communicate with each other in the national park and urban areas.

'지금 여기서' 탈식민주의 읽기

  • Kim, Seong-Gi
    • The Korean Publising Journal, Monthly
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    • s.243
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    • pp.20-21
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    • 1998
  • 탈식민주의의 주된 논지는 유럽 제국주의의 붕괴라는 공통의 경험적 자료에서 출발한다. 변방에 속한 것은 식민지 본국에 속한 것에 대해, 즉 주변은 중심에 대해 반감을 갖게 되므로 탈식민지 문화의 모는 경험은 전복을 지향하는 경향을 띤다.

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해외 도심 재생 현장 탐방 시리즈-부젼 환경과 교육을 발판으로 성공한 도심 재생

  • 박지민
    • 주택과사람들
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    • s.220
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    • pp.82-85
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    • 2008
  • 미국 도심 재생의 특징은 공공 분야의 개입은 최소한으로 하고 사회.사업 단체 등 민간 분야의 적극적인 참여를 중심으로 이루어졌다는 것이다. 또한 점차 낙후된 도시들을 주변환경과 교육을 활용해 다시금 활성화 시켰다. 미국의 도심 재생 현장을 살펴보자.

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Change of Contrast Sensitivity in Peripheral Vision Following Eccentric Viewing Training (중심외주시 훈련 후 주변시야에서의 대비감도 변화)

  • Seo, Jae-Myoung;Lee, Ki-Young;Lim, Yong-Moo
    • Journal of Korean Ophthalmic Optics Society
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    • v.19 no.1
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    • pp.99-104
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    • 2014
  • Purpose: This study was to investigate the functional improvement in peripheral vision following eccentric viewing training. Methods: 14 subjects with normal vision took a part with their right eye, peripheral retinal which is $20^{\circ}$ lateral area from the fovea was examined for contrast sensitivity(CS). Eccentric viewing training was performed for 21days with an hour image viewing and examination was repeated. Results: The critical durations for 0.7 cpd were increased 2.67(467 ms) for pre-eccentric viewing training to 2.79(616 ms) for post-eccentric viewing training (p>0.05). The critical durations for 3.0 cpd were also increased 2.53(341 ms) for pre-eccentric viewing training to 3.04(1102 ms) for post-eccentric viewing training (p>0.05). Conclusions: It is recommended to use higher spatial frequency with higher CS for eccentric viewing training and to train more frequently for a short time. Moreover, the study on Korean standardizing of the visual rehabilitation for low vision based on the etiology is sorely required.

Comparisons of Middle- and Old-Aged Drivers' Recognition for Driving Scene Elements using Sensitivity, Response Bias, and Response Time (중년 및 고령운전자의 운전장면 개별요소에 대한 재인기억 차이: 민감도, 반응기준 및 반응시간 비교)

  • Lee, Jaesik
    • Journal of the Korean Data Analysis Society
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    • v.20 no.6
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    • pp.3185-3199
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    • 2018
  • Middle- and old-aged driver's capability in recognition for driving scene elements was compared. Central and ambient stimuli were selected from natural driving scene and sensitivity, bias and reaction time were measured as dependent measures. The results are as follows. First, in general, older drivers showed lower sensitivity than middle-aged drivers. In particular, the older drivers' sensitivity was significantly lower for the ambient stimuli than central stimuli, whereas the middle-aged drivers showed no significant difference between the two types of stimuli. Second, the older drivers tended to show more lenient responses whereas the middle-aged drivers responded more conservatively. Third, the older drivers showed longer reaction time than the middle-aged drivers, in particular, in the responses of miss and correct rejection. This results suggested that the older drivers' retention for driving scene elements in their working memory may not be stable, which can be resulted in difficulties in rapid and accurate responses in a real life driving.

An Advanced Scheme for Searching Spatial Objects and Identifying Hidden Objects (숨은 객체 식별을 위한 향상된 공간객체 탐색기법)

  • Kim, Jongwan;Cho, Yang-Hyun
    • Journal of the Korea Institute of Information and Communication Engineering
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    • v.18 no.7
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    • pp.1518-1524
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    • 2014
  • In this paper, a new method of spatial query, which is called Surround Search (SuSe) is suggested. This method makes it possible to search for the closest spatial object of interest to the user from a query point. SuSe is differentiated from the existing spatial object query schemes, because it locates the closest spatial object of interest around the query point. While SuSe searches the surroundings, the spatial object is saved on an R-tree, and MINDIST, the distance between the query location and objects, is measured by considering an angle that the existing spatial object query methods have not previously considered. The angle between targeted-search objects is found from a query point that is hidden behind another object in order to distinguish hidden objects from them. The distinct feature of this proposed scheme is that it can search the faraway or hidden objects, in contrast to the existing method. SuSe is able to search for spatial objects more precisely, and users can be confident that this scheme will have superior performance to its predecessor.