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김원섭 ( Won Seob Kim ),윤관식 ( Gwan Sik Yoon ) 한국실천공학교육학회 2010 실천공학교육논문지 Vol.2 No.2
The purpose of this study was to investigate guidelines for instructional use of e-mail and the method in the present investigation was followed by an analysis of research literatures. This study suggests the following conclusions. First, instructors should use e-mail effectively to improve communication between an instructor and a learner or learners. Communication was essential to support a good instruction. Second, to use effectively e-mail in teaching and learning process, guidelines should followed by considering e-mail characteristics. These guidelines were as follows: (1) Spelling and grammar should be followed correctly. (2) Messages should be followed shortly and concisely. (3) Summaries should be stated in your first sentence. (4) Messages should be responded rapidly. (5) Messages should be responded kindly. (6) Sarcasm and humor should be used carefully.
가우스 괄호법을 이용한 무한 물점을 갖는 복잡한 줌 렌즈의 수치해석적인 근축광선 줌 궤적 추적법
유남준,김원섭,조재흥,류재명,이해진,강건모,Yoo, Nam-Jun,Kim, Won-Seob,Jo, Jae-Heung,Ryu, Jae-Myung,Lee, Hae-Jin,Kang, Geon-Mo 한국광학회 2007 한국광학회지 Vol.18 No.6
가우스 괄호법을 이용하여 카메라 렌즈와 같이 무한 물점을 대상으로 하는 모든 복잡한 줌 렌즈에서 사용가능한 근축광선 줌 궤적 추적식을 이론적으로 유도하였다. 그리고 이를 Visual Basic으로 프로그램화하여 수치해석적으로 줌 궤적을 구하였다. 이 방법은 근축광선 추적식을 가우스 괄호법에 적용시켰기 때문에 다양한 줌 형태에 따른 구속조건의 공식을 매우 간편하고 알기 쉽게 단순화시켜준다. 이 결과 이 식의 해는 모든 종류의 줌 렌즈에서 줌 궤적에 대한 초기설계에 유연하면서 통합적으로 적용할 수 있다. 이 식의 유용성을 증명하기 위하여 4군과 5군의 매우 복잡한 줌 렌즈계의 줌 궤적을 다양한 보간법으로 빠르게 산출해 낼 수 있음을 보였다. We theoretically derive the set of utilizable paraxial zoom locus equations for all complicated zoom lens systems with infinite object distance, such as a camera zoom lens, by using the Gaussian bracket method and the matrix representation of paraxial ray tracing. And we make the zoom locus program according to these equations in Visual Basic. Since we have applied the paraxial ray tracing equations into Gaussian bracket representation, the resultant program systematically simplifies various constraints of the zoom loci of various N group types. Consequently, the solutions of this method can be consistently used in all types of zoom lens in the step of initial design about zoom loci. Finally, in order to verify the usefulness of this method, we show that one example among 4 groups and that among 5 groups, which are very complex zoom lens systems, can be rapidly and with versatility traced through various interpolations by using this program.
Deep Interest Network를 활용한 옥외광고 매체 추천 서비스의 설계 및 구현
조승규(Seung-Kyu Jo),김원섭(Won-Seob Kim),박효진(Hyo-Jin Part),이규상(Gyu-Sang Lee),유상기(Sang-gi Ryu),조수필(Su-phil Cho),노민영(Min- Young Noh),김지인(Jean Kim),손종수(Jong-Soo Sohn) 한국IT서비스학회 2021 한국IT서비스학회 학술대회 논문집 Vol.2021 No.-
최근 옥외광고 미디어의 디지털화 추세에 힘입어 시장 규모가 급성장하고 있다. 이에 따라 효과적인 광고집행을 위해 옥외광고 매체의 공급 인프라 구축 또한 매우 중요해졌다. 하지만 온라인으로의 디지털전환의 더딘 속도와 체계화 되어있지 않은 매체 공급자의 생태계로인해, 정량적 데이터에 대한 신뢰부족 문제가 발생하고 있다. 이러한 문제를 극복하기 위해 본 논문에서는 딥러닝 기반의 추천 서비스 설계와 구현을 보인다. 딥러닝 모델은 Click-Through Rate Prediction 기반의 Deep Interest Network 모델을 활용한다. 제안하는 서비스를 통해 광고주는 정량적인 데이터에 대한 신뢰도를 향상시킬 수 있으며, 매체 공급자는 최적의 비용으로 옥외광고 매체 제공에대한 디지털 전환을 가능하게 할 것으로 기대한다.
컴퓨터 매개 커뮤니케이션에서 이모티콘 활용의 가능성탐색
윤관식(Gwan Sik Yoon),김원섭(Won Seob Kim) 한국직업교육학회 2001 職業 敎育 硏究 Vol.20 No.2
The purpose of this study was to investigate the potentials on emoticons use in computer-mediated communication. The two methods in the present investigation were as follows: First, the limitations of CMC and the needs on emoticons` use in CMC were followed by related literatures. Second, the examples and the meanings for emoticons` use in CMC were followed by related literatures and researcher-made questionnaire. The results of this study were as follows: First, because a message was usually transmitted via written words or sentences in CMC, it was difficult to express nonverbal cues such as a face expression, body language, tone of voice, gesture, and glance. Therefore, instructors must perform a supplementary activity for assistance in developing an positive and supporting emotional atmosphere. For solving those difficulties, it was recommended to use unique symbols or techniques such as emoticons in CMC. Second, it was necessary to investigate the examples and the meanings on emotions as a preparatory step for correct and efficient emoticons` use in CMC. Instructors must examine learners` understanding in the emoticons` examples and the meanings on emoticons. Then, it was recommended to identify immediately available emoticons for their learners, meaning explanation necessary emoticons to their learners, and meaning consensus necessary emoticons by meeting with their learners
경련과 의식소실을 주소로 내원한 Estein-Barr 바이러스 연관성 혈구탐식성 림프조직구증 1례
정혜천(Hye Cheon Jeong),김덕수(Deok Soo Kim),김원섭(Won Seop Kim),차상훈(Sang Hoon Cha),배일헌(Il Heon Bae),신경섭(Kyeong Seob Shin),손보라(Bo Ra Son),박현진(Hyeon Jin Park) 대한소아신경학회 2002 대한소아신경학회지 Vol.10 No.2
Hemophagocytic lymphohistiocytosis(HLH) is a rare and fatal disorder in children. Per-sistent fever, hepatosplenomegaly and pancytopenia are observed in the most cases with the characteristic change of serum triglyceride, fibrinogen, ferritin and LDH level. CNS manifestation were developed in 50-70% of HLH. 20% of cases revealed seizure and irri-tability at diagnosis. Abnormalities on brain imaging, such as diffuse white matter 뮤-normalities and necrotic area with parenchymal volume loss appeared to roughly parallel the severity of clinical manifestations. In HLH, EBV is the major triggering agent in-ducing hemophagocytosis as well as the fulminant course of disease. Many cases of EBV-HLH had monoclonal origin and respond well to etoposide-containing regimens. Early induction of an etoposide based regimen is critical factor in securing long-term survival in patients with EBV-HLH. We report a case that 13 year-old female patient with seizure and loss of consciousness was diagnosed as EBV-HLH and treated with protocol HLH-94 consistd of etoposide, dexamethasone, cyclosporin. 저자들은 두통과 구토, 지속되는 발열을 주소로 내원하여 뇌수막염을 진단받고 치료받던 중 어지럼증, 경부림프절 종창, 홍역모양 홍반, 범혈구 감소증, 간효소 상승과 의식소실을 동반한 경련이 발생하여 뇌자기공명여상과 골수 조직검사 등을 시행하였고 EBV-연관성 혈구탐식성 림프조직구증으로 진단하에 HLH-94 protocol에 따라 면역화학요법으로 치료하여 관해와 함께 신경학적 증상이 호전된 13세된 여아 환자를 경험하였기에 문헌 고찰과 함께 보고하는 바이다.
영양결핍에 의한 베르니케뇌증에서 발생한 급성 혼수 및 호흡정지 1 예
서인석(In Seok Seo),이승훈(Seung Hoon Lee),김세화(Se Hwa Kim),김원섭(Won Seob Kim),이기세(Ki Se Lee),송선경(Sun Kyong Song),이완구(Wang Gu Lee),김은화(Eun Hwa Kim),최용우(Yong Woo Choi),이용웅(Yong Ung Lee) 대한내과학회 1998 대한내과학회지 Vol.55 No.1
We shoud give attention to Wernicke`s encephalopathy as a cause of sudden coma & respirafory arrest in patients, who are not usually suspected to develop the disorder and empirical treatment with thiamine in cases of coma of unknown cause is recommended. Respiratory stimulants, doxapram & aminophylline have an effect in assisting ventilatory weaning in patient with central hypoventilation as a complication of acute Wernicke`s encephalopathy No previous reports where doxapram had been used to assist weaning from mechanical ventilation in adults were noted. Nor has newly developed central hypoventilation been identified as an impediment to weaning in literature to date in Korea. We reported a rare case of Wernicke`s encephalopathy caused by poor oral intake & inadequate nutritional suppliment after car accident, showing acute coma & respiratory arrest and treated adequately by thiamine replacement & mechanical ventilation with respiratory stimulant.