• Title/Summary/Keyword: foreign objects

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A Case of Pneumonia due to Occult aspiration of a Twig (나뭇가지 흡인으로 인한 폐렴 1예)

  • Kwon, Kyung-Su;Park, Mu-Yeong;Kim, Kwang-Chul;Yeom, Keong-Hun;Lee, Chung-Suk;Jung, Ku-Yeong;Lee, Ho-Sim;Yoo, Yung-Hoon;Kim, Jong-Suk
    • Tuberculosis and Respiratory Diseases
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    • v.43 no.1
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    • pp.108-112
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    • 1996
  • Bronchial foreign body aspirations are uncommon in adults and usually have various underlying conditions, otherwise accidentally occurred in dental procedure, medical, surgical procedure. The most commonly aspirated objects were food materials, with peanuts leading the list. When bronchial foreign body was aspirated, no definite respiratory symptoms or foreign body is may not seen, then diagnosis is delayed. Therefore late complications was developed. The tendency to use fiberoptic bronchoscope for removal of foreign bodies in adults is increased. We report a rare case of bronchial pneumonia due to occult aspiration of a twig before 1 year with a review of the literatures.

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Selecting Representative Views of 3D Objects By Affinity Propagation for Retrieval and Classification (검색과 분류를 위한 친근도 전파 기반 3차원 모델의 특징적 시점 추출 기법)

  • Lee, Soo-Chahn;Park, Sang-Hyun;Yun, Il-Dong;Lee, Sang-Uk
    • Journal of Broadcast Engineering
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    • v.13 no.6
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    • pp.828-837
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    • 2008
  • We propose a method to select representative views of single objects and classes of objects for 3D object retrieval and classification. Our method is based on projected 2D shapes, or views, of the 3D objects, where the representative views are selected by applying affinity propagation to cluster uniformly sampled views. Affinity propagation assigns prototypes to each cluster during the clustering process, thereby providing a natural criterion to select views. We recursively apply affinity propagation to the selected views of objects classified as single classes to obtain representative views of classes of objects. By enabling classification as well as retrieval, effective management of large scale databases for retrieval can be enhanced, since we can avoid exhaustive search over all objects by first classifying the object. We demonstrate the effectiveness of the proposed method for both retrieval and classification by experimental results based on the Princeton benchmark database [16].

Dynamic Generation Methods of the Wireless Map Database using Generalization and Filtering (Generalization과 Filtering을 이용한 무선 지도 데이터베이스의 동적 생성 기법)

  • Kim, Mi-Ran;Choe, Jin-O
    • The KIPS Transactions:PartD
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    • v.8D no.4
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    • pp.367-376
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    • 2001
  • For the electronic map service by wireless, the existing map database cannot be used directly. This is because, the data volume of a map is too big to transfer by wireless and although the map is transferred successfully, the devices to display the map usually don’t have enough resources as the ones for desktop computers. It is also not acceptable to construct map database for the exclusive use of wireless service because of the vast cost. We propose new technique to generate a map for wireless service dynamically, from the existing map database. This technique includes the generalization method to reduce the map data volume and filtering method to guarantee that the data volume don’t exceed the limit of bandwidth. The generalization is performed in 3 steps :ㅁ step of merging the layers, a step of reducing the size of spatial objects, and a step of processing user interface. The filtering is performed by 2 module, counter and selector module. The counter module checks whether the data blume of generated map by generalization, exceeds the bandwidth limit. The selector module eliminates the excess objects and selects the rest, on the basis of distance.

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A case study of chronic traumatic pericarditis (Hardware disease) in a Holstein cattle (젖소 만성 창상성심낭염의 증례보고 및 고찰)

  • Kim, Jongho;Lee, Kyunghyun;Roh, Su Gwon;Jo, Heon-Ho;So, ByungJae;Kim, Heui-Jin
    • Korean Journal of Veterinary Service
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    • v.44 no.1
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    • pp.45-49
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    • 2021
  • A 23-month-old Holstein cattle showed excess salivation and reluctance of walking and suddenly died after forced sudden movements. Grossly, numerous fibrous adhesions were present within cranial abdominal cavity including the reticulum and diaphragm and thoracic cavity involving lungs, pericardial sac, and heart. A perforation made by a 10 cm-long sharp-ended wire was detected in the reticulum. Histopathologically, fibrous suppurative epicarditis and myocardial necrosis were observed. Fibrosis with neovascularization were found in lungs, spleen, and liver. And granulomatous reticulitis was observed. For differential diagnosis, no pathogenic bacteria were detected through microbiological tests and PCR results were also negative for bovine susceptible pathogenic antigens. Based on the gross and histopathological examination, we diagnosed this case as chronic traumatic pericarditis. Cattle are inquisitive and prone to swallow various kinds of metallic foreign bodies since they do not use their lips. Therefore, avoiding ingestion of metallic objects in animal feed and animal areas by careful environmental management of farms is required and farmers should give the adequate minerals and vitamins into the feeds not to lick or shallow foreign bodies in case of mineral deficiency. For veterinary practitioners, physical examination, blood tests, and diagnostic imaging (X-ray and Ultrasonography) are required for an exact diagnosis. Furthermore, placing the magnets in rumen would be effective for prophylactic administrations.

A Study on Web-based Information Visualization for Analysis on Relationship between Objects -Focused on Abbasids of Islam- (객체 간 연관 관계 분석을 위한 웹 기반 정보시각화 연구 - 이슬람 압바스 왕조를 중심으로 -)

  • Kang, Ji-Hoon;Yoon, Yong-Soo
    • Asia-pacific Journal of Multimedia Services Convergent with Art, Humanities, and Sociology
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    • v.6 no.12
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    • pp.533-540
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    • 2016
  • Information Visualization is an information technology to visually represent the data and information by utilizing various tools. Visual information can increase the user's intuitiveness and it can be an effective way that can observe and comprehend the specific information in a short time. Information Visualization, as a research method on Humanities, in the high interest of researchers of Humanities and Area studies, is recently used for collecting base data and analyzing information. As an way to use Information Visualization, various forms of Information Visualization like Electronic Cultural Atlas, Network and Multimedia are actively discussed and studied today. In this paper, Information Visualization will be discussed by utilizing D3, a web-based technology for dynamic visualization. In detail, relationship between the Abbasids of Islam can be visualized by using nodes and connection lines and, this relationship between objects will be analyzed efficiently. Researchers related in this field can use this analyzed information for basis data in their researches.

The Strategy of Korean Firms' FDI into European Union (한국기업의 대EU 직접투자전략)

  • Bang, Ho-Yeol
    • International Commerce and Information Review
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    • v.11 no.4
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    • pp.77-109
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    • 2009
  • The purpose of this study is to review the current trend of FDIs by Korean companies into EU, and to present the optimal strategies for them to combine their firm-specific factors and FDI attractiveness of the regions in EU. The companies are divided into two categories, SMEs and large enterprises. The regions of EU are composed of 15 incumbent members before the fifth enlargement in 2004 and 12 new members. Large Korean companies tend to make large investments in 15 incumbent members with stable and mature markets. Korean SMEs, by contrast, mainly invest on small scales in the new members due to the lack of their available inner resources and knowledge for the markets. The main objects of the investments in EU by the large Korean companies are to gain more market share and to acquire the advanced technologies. Although such goals are also important for the SMEs, the most important objects for the investments by Korean SMEs in EU are usually to enter EU markets and to take advantage of the relatively cheap labor forces for the efficient operations. The effects of such passive strategies by the SMEs, however, are expected to extinct because the cost advantages in regions of the new EU members will not last in the long term, so the SMEs must take longer views for the choice of locations. Many empirical results suggest that the optimal FDI strategies for the Korean companies in EU could be worked mainly by more aggressive localization policy of companies and by the cooperations of SMEs and large enterprises for the reduction in costs of foreignness.

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A Study on Ventilation Holes Near the Crown of Industrial Safety Helmets (산업용 안전모 정부 근처 통기구멍에 관한 연구)

  • Kim, Jin-Hyun;Choi, Hyeck-Jung
    • Journal of the Korean Society of Safety
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    • v.27 no.5
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    • pp.196-202
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    • 2012
  • An industrial safety helmet primarily intended to protect the wearer's head. It is to prevent or reduce the danger due to flying or dropping objects, falling and prevent the danger due to an electric shock given to the head. However, thermal discomfort of the head is one of the main complaints in the case of wearing safety helmet. Ventilation holes are not allowed in safety helmets on domestic regulations except for industrial safety helmets which are to protect wearer's head against flying or dropping objects. This paper is to produce the need for enlargement of allowing on ventilation holes' regulation to class B. This study reviewed foreign standards' regulations on ventilation holes of safety helmets. Some standards recommend that ventilation may be improved when fresh air is able to enter the helmet around its lower edge and to exit via holes in the helmet located in the upper one third of the helmet. And in the experiments, relationships of ventilation holes and the temperature over the head are analyzed. The experimental results show that the cooling effect of ventilation holes in the upper one third of the helmet is meaningful.

Conservation Treatment of the Collections Acquired Recently - focused on the collections of metal - (『구입유물공개전(購入遺物公開展)』 전시유물(展示遺物) 보존처리(保存處理) - 금속유물(金屬遺物)을 중심(中心)으로 -)

  • Kwon, Hyuk-nam;Yi, Yong-hee;Kim, Jong-oh
    • Conservation Science in Museum
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    • v.2
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    • pp.1-8
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    • 2000
  • For exhibition, conducted conservation treatment for a variety of collections acquired at home and abroad such as metallic objects, wooden-ware, paintings and lacquer-ware. Conservation treatment methods for 42 metallic objects were introduced for material types. X-ray and microscopic method were used to identify the current state of the collections and in some case if necessary, various foreign particle removing and stabilization method were used depending on material type. Historical data were stored and exhibited to public.

A Study on Constructing of Photographic Digital Archive : Focusing on the Photographs of Korean Democratization Movements (사진 디지털아카이브 구축에 관한 연구 : 민주화운동 사진기록을 중심으로)

  • Kim, Myoung-Hun;Hyun, Jong-Chul
    • Journal of Information Management
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    • v.37 no.3
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    • pp.139-163
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    • 2006
  • This article analyze a constructing process of photographic digital archive based on photographs of korean democratization movements. After photographic digital archive defines as integrated systems in which photographic digital objects collect, classify, describe, preserve and access, this article explains metadata elements and classification schema reflecting a special quality of photograph. Especially, this article presents dynamic classification structure using subject keywords. After all, this method provides integrity and interrelationship with photographes which promote usability of photographic digital objects.

A Study on the Pilotis Design Characteristics in the Highrise Apartment Housing Estates (고충아파트 필로티 디자인 특성 분석에 관한 연구)

  • Lee Jeong-Soo;Song Yong-Ho;Yoo Uoo-Sang
    • Journal of the Korean housing association
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    • v.16 no.6
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    • pp.121-128
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    • 2005
  • This study investigates the design features of pilotis applied to 20 high-rise apartment housings in Korea, completed between January 2000 and August 2005. It analyzes the design characteristics of pilotis on the basis of its spatial configuration and the residents' behavior and suggests the directions of pilotis design in the future. The study finds the followings. 1) The pilotis spaces in foreign apartment housings are used mainly for communal functions such as the passages between buildings for both pedestrians and vehicles. Compared with this public use of pilotis in foreign counterparts, the pilotis spaces in Korean apartment housings are semi-private and have multiple purposes. 2) The pilotis design can be classified on the basis of the spatial configuration elements and the patterns of residents' behavior. The spatial configuration elements consist of ceiling, column, wall, and floor; the residents' behavior can be classified as viewing, resting and playing, driving and parking, and keeping privately-owned objects such as motorcycle and bicycle. 3) Two spatial configuration elements, the wall and the ceiling and two behavioral patterns, 'resting and playing' and 'viewing' are getting more attention by designers in the apartment housings analyzed in this study.