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      • 얼굴의 특징점을 이용한 3차원 움직임 추적에 관한 연구

        李基敦,金種熙 호서대학교 공업기술연구소 2000 工業技術硏究所論文集 Vol.19 No.-

        In this paper 3-dimensional feature points with 2-dimensional image of human face are eventually extracted. For the 2-dimensional image, avi file is created as a transfer medium for real-time movie transfer using 2 CCD cameras. The coarse-to-fine method is applied to minimize matching error when extracting feature-point of a face. By stereo-matching between side and front image, 3-dimensional data are extracted. As utilizing those extracted 3-dimensional data, various 3D graphic package will be connectable. With two usb CCD cameras, 2-dimensional is still received image. With movements of 20 feature points from Side and front image, we extracted 3-dimensional feature-points and enabled 3-dimensional modeling. To minimize errors of 3-dimensional trace and matching error spread, Coarse-to fine method is applied.

      • KCI등재

        Anesthesia guidelines for COVID-19 patients: a narrative review and appraisal

        Ong Sharon,Lim Wan Yen,Ong John,Kam Peter 대한마취통증의학회 2020 Korean Journal of Anesthesiology Vol.73 No.6

        The coronavirus disease 2019 (COVID-19) pandemic has challenged health systems globally and prompted the publication of several guidelines. The experiences of our international colleagues should be utilized to protect patients and healthcare workers. The primary aim of this article is to appraise national guidelines for the perioperative anesthetic management of patients with COVID-19 so that they can be enhanced for the management of any resurgence of the epidemic. PubMed and EMBASE databases were systematically searched for guidelines related to SARS-CoV and SARS-CoV-2. Additionally, the World Federation Society of Anesthesiologists COVID-19 resource webpage was searched for national guidelines; the search was expanded to include countries with a high incidence of SARS-CoV. The guidelines were evaluated using the Appraisal of Guidelines for Research and Evaluation II tool. Guidelines from Australia, Canada, China, India, Italy, South Africa, South Korea, Taiwan, the United Kingdom, and the United States of America were evaluated. All the guidelines focused predominantly on intubation and infection control. The scope and purpose of guidelines from China were the most comprehensive. The UK and South Africa provided the best clarity. Editorial independence, the rigor of development, and applicability scored poorly. Heterogeneity and gaps pertaining to preoperative screening, anesthesia technique, subspecialty anesthesia, and the lack of auditing of guidelines were identified. Evidence supporting the recommendations was weak. Early guidelines for the anesthetic management of COVID-19 patients lacked quality and a robust reporting framework. As new evidence emerges, national guidelines should be updated to enhance rigor, clarity, and applicability.

      • KCI등재후보

        한글이름(인명)의 새로운 범주화와 사회적 의미

        김슬옹(Kim Seul-Ong) 한국사회언어학회 2004 사회언어학 Vol.12 No.2

        Kim, Seul-Ong. 2004. A Study of the New Categorization of Hangeul Names and their Social Meaning. The Sociolinguistics Journal of Korea 12(2). This paper suggests a new direction of making Hangeul names in view of the Hangeul(Korean Alphabet) cultural community. We newly organize the concept and category of Hangeul names which include names of a Chinese character written in Hangeul as much as the names of the original Korean vocabulary. This type of combination produces, for example, from “슬기(seul-gi)” and “지혜(chi-hye)”, “슬지(seul-chi), 슬혜(seul-hye), 기지(ki-chi), 기혜(ki-hye), 지슬(chi-seul), 지기(chi-gi), 혜슬(hye-seul), 혜기(hye-gi)”. Through this method, we will be able to gain the following results: (1) We can make more human names with Hangeul, (2) We will be able to overcome the dichotomy between Chinese characters and Hangeul, (3) We will be able to truly accomplish a cultural community using Hangeul writing system.

      • SCOPUSKCI등재

        Vanadate-Induced Renal cAMP and Malondialdehyde Accumulation Suppresses Alpha 1 Sodium Potassium Adenosine Triphosphatase Protein Levels

        Eiam-Ong, Somchit,Nakchui, Yuyen,Chaipipat, Mookda,Eiam-Ong, Somchai Korean Society of ToxicologyKorea Environmental Mu 2018 Toxicological Research Vol.34 No.2

        It has been demonstrated that vanadate causes nephrotoxicity. Vanadate inhibits renal sodium potassium adenosine triphosphatase (Na, K-ATPase) activity and this is more pronounced in injured renal tissues. Cardiac cyclic adenosine monophosphate (cAMP) is enhanced by vanadate, while increased cAMP suppresses Na, K-ATPase action in renal tubular cells. There are no in vivo data collectively demonstrating the effect of vanadate on renal cAMP levels; on the abundance of the alpha 1 isoform (${\alpha}_1$) of the Na, K-ATPase protein or its cellular localization; or on renal tissue injury. In this study, rats received a normal saline solution or vanadate (5 mg/kg BW) by intraperitoneal injection for 10 days. Levels of vanadium, cAMP, and malondialdehyde (MDA), a marker of lipid peroxidation were measured in renal tissues. Protein abundance and the localization of renal ${\alpha}_1-Na$, K-ATPase was determined by Western blot and immunohistochemistry, respectively. Renal tissue injury was examined by histological evaluation and renal function was assessed by blood biochemical parameters. Rats treated with vanadate had markedly increased vanadium levels in their plasma, urine, and renal tissues. Vanadate significantly induced renal cAMP and MDA accumulation, whereas the protein level of ${\alpha}_1-Na$, K-ATPase was suppressed. Vanadate caused renal damage, azotemia, hypokalemia, and hypophosphatemia. Fractional excretions of all studied electrolytes were increased with vanadate administration. These in vivo findings demonstrate that vanadate might suppress renal ${\alpha}_1-Na$, K-ATPase protein functionally by enhancing cAMP and structurally by augmenting lipid peroxidation.

      • KCI등재

        Vanadate-Induced Renal cAMP and Malondialdehyde Accumulation Suppresses Alpha 1 Sodium Potassium Adenosine Triphosphatase Protein Levels

        Somchit Eiam-Ong,Yuyen Nakchui,Mookda Chaipipat,Somchai Eiam-Ong 한국독성학회 2018 Toxicological Research Vol.34 No.2

        It has been demonstrated that vanadate causes nephrotoxicity. Vanadate inhibits renal sodium potassium adenosine triphosphatase (Na, K-ATPase) activity and this is more pronounced in injured renal tissues. Cardiac cyclic adenosine monophosphate (cAMP) is enhanced by vanadate, while increased cAMP suppresses Na, K-ATPase action in renal tubular cells. There are no in vivo data collectively demonstrating the effect of vanadate on renal cAMP levels; on the abundance of the alpha 1 isoform (α₁) of the Na, K-ATPase protein or its cellular localization; or on renal tissue injury. In this study, rats received a normal saline solution or vanadate (5 mg/kg BW) by intraperitoneal injection for 10 days. Levels of vanadium, cAMP, and malondialdehyde (MDA), a marker of lipid peroxidation were measured in renal tissues. Protein abundance and the localization of renal α₁-Na, K-ATPase was determined by Western blot and immunohistochemistry, respectively. Renal tissue injury was examined by histological evaluation and renal function was assessed by blood biochemical parameters. Rats treated with vanadate had markedly increased vanadium levels in their plasma, urine, and renal tissues. Vanadate significantly induced renal cAMP and MDA accumulation, whereas the protein level of α₁-Na, K-ATPase was suppressed. Vanadate caused renal damage, azotemia, hypokalemia, and hypophosphatemia. Fractional excretions of all studied electrolytes were increased with vanadate administration. These in vivo findings demonstrate that vanadate might suppress renal α₁-Na, K-ATPase protein functionally by enhancing cAMP and structurally by augmenting lipid peroxidation.

      • Appraising the Performance of Construction Projects during Implementation in Kenya, 1963-2018: A Literature Review Perspective

        Ong'ondo, Cyrus Babu,Gwaya, Abednego Oswald,Masu, Sylvester Korea Institute of Construction Engineering and Ma 2019 Journal of construction engineering and project ma Vol.9 No.2

        Poor project performance has been noted as the bane in the construction industry globally. This paper sought to investigate, by way of literature, the performance patterns of construction projects in Kenya since independence (1963-2018). This was informed by reports of undesirable project performance in the industry. This descriptive study used available studies previously done in this subject area. In sum, literature is replete with evidence on a myriad of challenges facing the execution of projects. The study established that generally, the project performance is poor and has assumed a chronic trajectory spanning over five decades. On average, the findings reveal that 35-60% of projects initiated in Kenya face cost overruns while time overrun is most severe with 35-73% projects overrunning their schedule. In addition, the findings problematize the issue of plurality of performance measurement regimes in the construction industry. Here, it was observed that no singular construct exists to objectively measure the various facets that constitute the 'health' of a project. This paper has contributed to the body of knowledge by examining the performance patterns in Kenya for over fifty years while at the same time identifying the bottlenecks inherent in projects execution. Importantly, the conceptual performance efficiency framework derived in the current study presents a paradigm shift in the monitoring and evaluation of projects. To this end, an in-depth analysis is recommended on the interaction of efficiency enablers in the buildup of performance efficiency index (PEI). Similarly, a further inquiry is recommended on the integration and impact of the proposed framework in the management of projects.

      • Ethnophytotherapies for Treatment of and Prevention against Cancer

        Ong Hean Chooi 한국자원식물학회 1999 Plant Resources Vol.2 No.1

        This paper examines various traditional and alternative practices utilised by Malaysians for the treatment of and prevention against cancer. A list of plants used for treating cancer is given. Care for cancer patients includes food reputed to be good in promoting recovery and preventing recurrence as well as food taboos - various food to be avoided in the belief that these types of food can induce development or recurrence of cancer.

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