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최윤석,명왕성 한국레저사이언스학회 2024 한국레저사이언스학회지 Vol.15 No.2
본 연구는 테니스 동호회 참여자들이 경험한 카타르시스의 본질과 의미를 탐색하는데 그 목적이 있다. 이를 위해테니스 동호회 활동에 3년 이상 꾸준히 참여하고, 아마추어 대회에서 입상 실적이 최소 1회 이상인 연구 참여자6명을 선정하였다. 그 결과 연구 참여자들은 ‘스트레스 해소를 통한 카타르시스’, ‘두려움 극복을 통한 카타르시스’, ‘상대적 우월감을 통한 카타르시스’, ‘프로선수 모방을 통한 카타르시스’, ‘앎과 소속감에서 오는 카타르시스’를 경험하였다. 결론적으로 본 연구는 테니스 동호회 참여자들이 경험한 카타르시스는 단순히 신체 기능에서 오는 기쁨이나스트레스 해소의 차원이 아닌 복합적인 정신작용이라는 것을 알 수 있었다. 이러한 작용은 연구 참여자들이 테니스활동을 지속하는데 있어서 스포츠의 외재적 가치뿐만 아니라 내면적 가치를 재발견할 수 있게 하며, 아마추어 테니스문화를 다각적 관점에서 이해할 수 있는 기회를 제공하였다. The purpose of this study was to explore the nature and meaning of catharsis experienced by tennis club participants. 6 research participants who had consistently participated in amateur tennis activities for more than three years and had won at least one prize in amateur competitions were selected. As a result, the research participants experienced ‘catharsis through stress relief,’ ‘catharsis through overcoming fear,’ ‘catharsis through a sense of relative superiority,’ ‘catharsis through imitating professional athletes,’ and ‘catharsis through knowledge and belonging.’ In conclusion, this study found that the catharsis experienced by tennis club participants was not simply a joy or stress relief from physical funtion, but a complex mental effect. These results made it possible to rediscover not only the external but also the internal values of sports, and provided an opportunity to understand amateur tennis culture from a multifaceted perspective.
Design and Implementation of Damaged Video File Recovery Tool using Container Format Structure
최윤석,이완연 한국인터넷방송통신학회 2019 International Journal of Internet, Broadcasting an Vol.11 No.3
Video files of video devices such as black box and CCTV may be damaged due to repetitive file read / write and physical environment factors. Even though there are available parts of video information, it may happen that playback can’t be performed due to damage of some information. To playback the remaining video information normally, it is necessary to recover damaged areas of the files. For this, it is necessary to accurately check the damage range of the files. In this paper, we propose the design and implementation of a tool which detects damaged areas of a video file and recovers the usable area of the file to playback. The proposed tool can analyze and recover without additional information by analyzing common information of video container format and can check detailed damaged ranges with chunks. It is possible to perform recovery just only with the target file and reference file without any other information such as codec specification.
최윤석 한국인터넷방송통신학회 2018 International Journal of Internet, Broadcasting an Vol.10 No.3
The various video recording device, like car black box and cctv, are used currently and video contents are used as evidence of traffic accidents and scenes of crime. To verify integrity of video content, there are various study on manipulated video content analysis. Among these studies, a study based on analysis of video file structure and its variables needs a tool which can be used to analyze file structure and extract interested attributes. In this paper, we proposed design and implementation of an analyzing tool which visualizes video file structure and its attributes. The proposed tool use a model which reflects commonality of various video container format, so it is available to analyze video structure with regardless of the video file types. And the tool specifies interested file structure properties in XML and therefore we can change target properties easily without modification of the tool.
최윤석,윤석영,고국진,한길수,장태영 대한이비인후과학회 2007 대한이비인후과학회지 두경부외과학 Vol.50 No.8
Background and Objectives:proper management of olfactory dysfunction. But there is no confirmative objective method for olfactory function evaluation. Recently, olfactory evoked potential by jet steam method was introduced as an objective method for the evaluation of olfactory function. The purpose of this study is to evaluate clinical eficacy of olfactory evoked potential. Subjects and Method:Thirty two normal individuals were evaluated with olfactory evoked potential and their olfactory thresholds were within normal range were averaged by Neuropack Four Computer. Results:Twenty-nine individuals had typical positive waves with latency near 0.1ms, but three individuals had no typical positive wave. The threshold of twenty individuals in electro-olfactometry was E1 with E1 recognition or detection threshold in T&T olfactometry. The threshold of other nine individuals in electro-olfactometry was E2 with E1 recognition and detection threshold in T&T olfactometry. Conclusion:Olfactory evoked potential has good (Korean J Otorhinolaryngol-Head Neck Surg 2007 ;50 :672-6)
최윤석,Kun Su Lee,Hye Jin Kim,Jong Yun Choi,Soon Bang Kang,Eui Jae Lee,금교창 대한화학회 2013 Bulletin of the Korean Chemical Society Vol.34 No.3
A series of azo disperse dyes having dicyanovinyl groups was synthesized by the Knoevenagel condensation with malononitrile from carbonyl substituted phenylazo disperse dyes which were prepared by conventional diazo coupling reaction of aniline derivatives as diazo components. A variety of coupling components such as anilines, an indole and a pyridone were used. The azo disperse dyes were evaluated for their spectral properties and dyeing assessment on the polyester fabrics. The azo disperse dyes containing dicyanovinyl groups showed bathochromic shifts and darker colors due to increased electron withdrawing strength in their azo components and extended conjugation by dicyanovinyl groups than their parent carbonyl substituted azo dyes. The dyes containing 2-acetylamino-5-methoxy substituent in the coupling component exhibited higher wavelength of maximum absorbance (λmax) and significant negative solvatochromism than those of other dyes due to intramolecular hydrogen bonding.
Review of North Korean Reports on Cardiovascular Disease Research and Management
최윤석,황준형,이민지,이정훈,윤호중 연세대학교의과대학 2023 Yonsei medical journal Vol.64 No.5
Purpose: This study aimed to investigate the quality of medical care in North Korea using data from North Korean medical research. Materials and Methods: This study included publications containing the keyword “medical” among North Korea’s consecutive publications and selected 415 papers related to heart disease, brain disease, and emergency medical care published at The North Korean Data Center of the Ministry of Unification (https://unibook.unikorea.go.kr). Among 40 research articles, we reviewed ten with representative epidemiological data for cardiovascular treatment, and the latest medical materials were selected and ana lyzed in detail. Results: Few studies reported the experience of large-scale medical facilities or verified professional performance. Proof of the ef ficacy of the latest drugs was rare, although the treatment results of interventional therapy and conventional heart surgery were reported. Efforts to improve emergency medical care and innovation of treatment materials using new technologies were being actively studied. However, careful interpretation is required due to the lack of objectivity in research data and some deviation in the composition of patients included in the data. Conclusion: Research of cardiovascular disease in North Korea is conducted at a very limited scope, although treatment results appear to be recorded. The management of cardiovascular disease and the establishment of an emergency medical system war rant global attention and cooperation for further improvement.