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      • 3차원 구조물에서 Chordal Axis Transform을 이용한 쉘 요소망의 자동생성

        손준희(Jun-Hee Son),채수원(Soo-Won Chae) 대한기계학회 2004 대한기계학회 춘추학술대회 Vol.2004 No.4

        Shell finite elements are widely used for the analysis of thin section objects such as sheet metal parts, automobile bodies and et al. due to their computational efficiency. Since many of input data for finite element analysis are given as solid models or triangulated surface models, one should extract midsurface information from these input data initially and then construct shell meshes on the extracted midsurfaces. In this paper, a method of generating shell elements on midsurfaces directly from input models have been proposed. In order to construct shell meshes, the input models should be triangulated on surfaces first, and then tetrahedral elements are generated by using an advancing front method, and finally mid shell surfaces are obtained from tetrahedral meshes. Some examples are given to demonstrate the efficiency of the proposed method.

      • 워터마킹을 이용한 PDF문서 보안 시스템 설계 및 구현

        손준희 ( Jun-hee Son ),고성종 ( Sung-jong Go ),이선호 ( Sun-ho Lee ),이임영 ( Im-yeong Lee ) 한국정보처리학회 2012 한국정보처리학회 학술대회논문집 Vol.19 No.2

        인터넷의 급속한 발달로 인해 아날로그 콘텐츠에서 디지털 콘텐츠 서비스로 빠르게 발전하고 있다. 다양한 분야에서 디지털 콘텐츠를 이용하여 오프라인 시스템을 대체하게 되었다. 하지만 디지털 콘텐츠의 특성 때문에 불법 복제 및 무단 유포의 문제점과 저작권 침해의 문제점들이 발생하게 되었다. 따라서 보안 서비스에 대한 요구사항도 급격히 증가하고 있다. 이에 따라 본 논문에서는 워터마크 기술을 기반으로 인터넷 환경에서 사용자가 원하는 워터마킹을 이용하여 불법 복제를 방지함으로써 안전한 문서보안 콘텐츠를 제공하기 위한 시스템을 구현 및 설계 하였다.

      • KCI등재후보

        강박증 환자에서의 Mismatch Negativity 이상에 관한 연구

        장준환,신경순,손준희,권준수,Jang, Joon-Hwan,Shin, Kyung-Soon,Son, June-Hee,Kwon, Jun-Soo 대한불안의학회 2010 대한불안의학회지 Vol.6 No.1

        Objective : Mismatch negativity (MMN) provides an electrophysiological index of an involuntary attention switching process. This study investigated MMN anomalies and their relationship to clinical variables in patients with obsessive-compulsive disorder (OCD). Methods : Study participants were 29 OCD patients and 24 normal controls. We used a 128-channel EEG to measure MMN during a passive oddball paradigm. Then we assessed the correlations between MMN amplitudes and clinical measures. Results : The OCD patients exhibited significantly greater MMN amplitude compared to the controls. Also, the right frontal lobe MMN amplitudes correlated significantly to the OCD patients' Yale-Brown Obsessive Compulsive Scale total scores (r=-0.520, p=0.005). Conclusion : These results suggest that MMN anomalies in OCD patients reflect a monitoring circuit dysfunction, raising the possibility that the OCD's pathophysiology includes glutamatergic dysfunction.

      • KCI등재

        영유아 아버지의 부성 경험에 관한 질적 메타분석: 타자와의 관계 맺음을 통한 아버지됨

        한안나 ( Han Anna ),손준희 ( Son Jun Hee ) 충남대학교 교육연구소 2018 교육연구논총 Vol.39 No.4

        본 연구는 현대사회에서 영유아기 자녀를 둔 아버지들의 양육참여 경험을 바탕으로 한 연구들의 질적 메타분석을 통해, 연구 참여자들의 다양한 관계맺음으로 인한 아버지됨의 의미를 종합적으로 고찰해보고, 나아가 한국 사회의 새로 정립된 아버지 양육참여에 대한 성찰적 함의를 도출하고자 하였다. 연구방법은 학술지에 게재된 영유아기 자녀를 둔 아버지들의 양육참여 경험을 바탕으로 한 질적 연구물 11편을 대상으로 Noblit와 Hare(1988)가 제안한 질적메타분석의 과정 7단계를 적용하여 연구들의 의미를 종합하고 개념화, 범주화 하였다. 연구 결과, Levinas의 눈을 빌려 ‘타자와의 관계맺음을 통한 아버지됨’이라는 제목 하에 현존하는 타자와 부재하는 타자의 범주가 도출되었다. 이는 4개의 핵심개념인 가까운 타자, 먼 타자, 과거의 타자, 미래의 타자와, 자녀를 포함한 7개의 하위분류로 나타났으며, 각각은 아버지들의 실제 목소리를 사례로 제시하였다. By performing a qualitative meta-synthesis, the purpose of this study was to understand the meaning of becoming-father of fathers with young children through various relationships with others and to reconceive a father’s role in child rearing in Korea. The research method employed a qualitative meta-synthesis according to the seven steps proposed by Nobblit and Hare(1988). The subjects were based off eleven articles published in journals covering fathers’ experience of parenting children, in which participants were fathers with young children in Korea. The researchers described ‘becoming-father’ in the articles were synthesized, conceptualized, and categorized. As a result of the study, two categories of meaning (presenting others and absenting others), four core concepts (closer, further, past and future others), and seven subclassifications (children, wife, parents of origin, workplace, community and social system, childhood experience, and perception of ideal father) were encompassed under an umbrella term for ‘becoming-father through relationships with the others’ adopted from the eyes of Levinas. All of the research results were the voices of fathers and these revealed contemporary fathers' minds for becoming-fathers in Korea.

      • KCI등재

        뇌졸중 후 편마비 환자에게 적용된 과제지향훈련 효과의 체계고찰 연구

        송보경 ( Bo-kyung Song ),김아란 ( Ah-ran Kim ),김준수 ( Jun-soo Kim ),서성재 ( Sung-jae Seo ),손준희 ( Jun-hee Son ),신희덕 ( Hee-duck Shin ),정지원 ( Ji-won Jung ),양병일 ( Byung-il Yang ) 대한신경치료학회 2019 신경치료 Vol.23 No.2

        Purpose The purpose of this study is to analyze the functional improvement through task-oriented training of stroke patients and to suggest the clinical application effect of task-oriented training through systematic review. Methods From the period of 2011 to 2016, we searched the papers which received the original text downloading service among domestic journals and theses published in e-journals. Major search terms were “task-oriented” by searching “stroke” A total of 108 papers were searched by using appropriate combinations of the words “upper extremity”, “lower extremity”, “gait”, “mental”, “sense” and “Seventeen papers were selected for inclusion and exclusion criteria. Results A total of 17 studies were classified according to body function and task performance included in the framework of occupational therapy execution system. The results were as follows: 10 studies (58.8%) on neuromuscular movement, 2 (11.8%), and 5 (29.4%) were related to daily life activities. The results of the study showed that task-oriented training was effective in improving the function of stroke patients. Conclusion Task-oriented training showed a positive change in functional recovery of stroke patients, suggesting that task-oriented training is needed for stroke patients. Therefore, in future research, it is necessary to study the task-oriented training development of stroke patients. Based on this, we will give how clinicians help occupational performance and body functions through more systemic review, and will be able to suggest evidences future intervention direction for patients following intervention effect.

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