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홍관이,이광재,김두경,부기원,노성규,한상준,박기동,오수일,문병용,이철규,박장평,엄기진,박남환 江原大學校附設 體育科學硏究所 1984 江原大學校附設體育科學硏究所論文集 Vol.- No.9
This study is designed to grasp the elements and situations of stage fright in order to propose a part of ways to cope with it. We make 511 top-class high school players, male and female, in the central districts (Seoul, Inchon, Kyungki, Chungbuk, and Kangweon Province) on object of questionnaire, and get the following results. Through players generally have all-round characters they show weakness in the superiority and emotional stability while showing strength in the sonformity. This fact comes to be related to the elements which cause stage fright. Physiological changes also have many effects on the symptom of stage fright. Especially, stage fright increases when players show sensitive reaction to the self-consciousness of final consequence which comes from the tension or uneasiness of sympathetic nerve, Thus, it turns out that players make use of reducing psychological burden by physical exercise or adjusting the level of demanded result in order to release the stage fright.
대학생의 희망스포츠에 따른 운동욕구 및 상업스포츠 시설 가입의도의 관계
성영호,정철규,유희철,오은택 龍仁大學校 2002 용인대학교 논문집 Vol.20 No.-
This study aims at figuring out the relationship of exercise motive, commercial sports equipment joining intention according to undergraduate' hope sports. The population of the objects for study consists of undergraduate attending to college in Seoul, in 2002, and from among them 350 people in all are actually employed for the analysis. The research of this study was conducted by question aires which were composed exercise motive, namely, consistency, activity, purification, affection, ostentation, achievement, self-control The statistical techniques for the data analysis are descriptive statistics analysis, reliability analysis, one-way ANOVA, analysis of covariance, multiple classification analysis, standard multiple regression analysis. The conclusion from these are as follows; First, exercise motive and joining intention are partially different according to the undergraduate's demographical characteristics, that is sex, health degree, the subject of study, joining intention. Second, the exercise motive by hope sports is partially different according to purification, affection, joining intention by hope sports is partially difference. But joining possibility is not partially difference. Third, the exercise motive have a direct influence on joining intention.
서브샘플링을 이용한 수정된 Two - Step 고속 움직임 예측 알고리즘
김철중(Chul-Jung Kim),채병조(Byung-Jo Chae),오승준(Seoung-Jun Oh),정광수(Kwang-Su Chung) 한국정보과학회 2001 한국정보과학회 학술발표논문집 Vol.28 No.1A
동영상을 효율적으로 압축하기 위한 움직임벡터 예측에 관한 많은 연구가 진행되어 왔다. 가장 일반적인 FBMA(Full search-based Block Matching Algorithm)는 화질은 좋지만 계량이 많기 때문에 실시간 인코딩을 요구하는 시스템에서 사용하는데 문제가 있다. 좋은 화질을 유지하면서 인코딩 속도를 해결하기 위한 많은 알고리즘들이 제안되어 왔지만 ASIC이나 소형 시스템에서 사용할 수 있는 방법이 계속 요구되고 있다. 본 논문에서는 계산량을 더욱 줄여 속도향상을 위한 방법인 TSWS(Two-Step search With Subsampling method) 제안하였다. TSWS는 블록정합알고리즘에 기반을 두고 있으며, 서브샘플링한 값으로 움직임 벡터를 찾는다. TSWS를 사용하였을 때 기존 방법들이 제공하는 주관적 화질이나 PSNR을 어느 정도 유지하면서도 속도를 20~30% 정도를 개선시킬 수 있다.
김철중(Chul-Jung Kim),채병조(Byung-Jo Chae),오승준(Seoung-Jun Oh),정광수(Kwang-Su Chung) 한국정보과학회 2001 한국정보과학회 학술발표논문집 Vol.28 No.2Ⅲ
동영상을 효율적으로 압축하기 위한 움직임벡터 예측에 관한 많은 연구가 진행되어 왔다. 가장 일반적인 FBMA(Full search-based Block Matching Algorithm)는 화질은 좋지만 계산량이 많기 때문에 실시간 인코딩을 요구하는 시스템에서 사용하는데 문제가 있다. 좋은 화질을 유지하면서 인코딩 속도를 해결하기 위한 많은 알고리즘들이 제안되어 왔지만 ASIC이나 소형 시스템에서 사용할 수 있는 방법이 계속 요구되고 있다. 본 논문에서는 계산량을 더욱 줄여 속도향상을 가져오면서 FBMA와 비슷한 SNR을 유지하는 방법인 NMS(New Fast Motion Estimation Search With Subsmapling Method)를 제안하였다. NMS는 서브샘플림한 값을 이용하여 SAD값을 구하고 또한 새로운 Search를 제안하며 기존 방법들이 제공하는 주관적 화질이나 PSNR을 높게 유지하면서도 속도를 10~15% 정도 개선시킬 수 있다.
( Soon Oh So ),( Seung Yong Park ),( Yeong Hun Choe ),( Seoung Ju Park ),( Young Chul Lee ),( So Ri Kim ),( Heung Bum Lee ) 대한내과학회 2016 대한내과학회 추계학술발표논문집 Vol.2016 No.1
Introduction: Vasopressors are a powerful class of drugs that elevate mean arterial pressure (MAP). Vasopressors and inotropic agents have significant complications, including hypoperfusion(particularly affecting the extremities), dysrhythmias Usually, excessive vasoconstriction with inadequate perfusion can produce inadequate perfusion of the extremities, dusky skin changes at the tips of the fingers We conducted the present study to assess the risk factors of inadequate perfusion of extremities during vasopressors treatment in severe septic shock patients. Methods in medical ICU of Chonbuk National University Hospital in Korea, we retrospectively reviewed patients. The patients were stratified into ischemia or Non-ischemia groups in severe septic shock patients or not. Results: A total of 73 patients, 43 ischemia-group and 30 control (non-ischemia) group The baseline characteristics except BMI (p<0.028) was not different between groups. The use of dobutamine (inotropics) and the management of renal replacement therapy were significantly different between groups (p<0.05). Conclusions: The use of vasopressors and its combined use may not influence on the development of peripheral ischemia in severe septic shock patients.
내분비 -대사 시한 증후군 환자에서 발생한 스트레스성 심근병증
이승호 ( Seoung Ho Lee ),김규진 ( Kyu Jin Kim ),김보연 ( Bo Yeon Kim ),정찬희 ( Chan Hee Jung ),목지오 ( Ji Oh Mok ),강성구 ( Sung Koo Kang ),김철희 ( Chul Hee Kim ) 대한내과학회 2014 대한내과학회지 Vol.87 No.3
Cardiogenic shock after stress-induced cardiomyopathy is very rare and serious, and a reversible, clinical consequence of untreated adrenal insufficiency that is attributable to Sheehan`s syndrome. A 53-year-old female presented with confusion, congestive heart failure, and hypotension. Endocrine testing, prior medical history, and brain MRI confirmed the presence of hypopituitarism and secondary adrenal insufficiency owing to undiagnosed Sheehan`s syndrome. After glucocorticoid replacement therapy, her cardiac function recovered completely. Stress-induced cardiomyopathy should be considered as a possible cause of unexplained heart failure in patients with Sheehan`s syndrome and adrenal insufficiency. (Korean J Med 2014;87:347-351)