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김성인(Sung-In Kim),박승오(Seung O Park),홍승규(Seung Kyu Hong) 한국전산유체공학회 2002 한국전산유체공학회 학술대회논문집 Vol.2002 No.-
TNumerical simulations of the supersonic impinging jet flows are carried out using the 3D Navier-Stokes code. This paper is focuses on the unsteady flow features associated with stagnation hubbies and other oscillatory behavior. The 3D code was validated by reproducing the results of Lamont's experiments. Computation is carried out for the cases in which the unsteadiness of the plate shock has been observed experimentally. The computational results confirm the oscillatory feature in several ㎑. Unsteady calculation with algebraic turbulence model is also performed. It is found that the laminar and turbulent results have some discrepancy in the transient period. However, hath of them reveal the oscillatory behavior with similar frequency.<br/>
자폐 범주성 장애 아동의 인지발달 향상을 위한 키넥트 기반 기능성 게임 개발
김성인(Sung-In Kim),Abhas Maskey,염경탁(Kyeong Tak Youm),박호준(Ho Jun Park),이제석(Je Seok Lee),은진수(Jin Su Eun),변지민(Ji Min Byun),신동평(Dong-Pyoung Sheen),이건우(Kunwoo Lee) 한국HCI학회 2014 한국HCI학회 학술대회 Vol.2014 No.2
본 논문에서는 자폐 범주성 장애 아동의 인지발달 향상을 위해서 키넥트 기반 기능성 게임을 제시한다. 하드웨어는 자폐 범주성 아동이 자연스러운 인터랙션을 할 수 있도록 움직임 인식 센서인 키넥트(Kinect)와 아동의 신체운동 능력 향상을 위한 컨트롤러로 구성된다. 소프트웨어는 자폐 범주성 아동의 인지발달 요인 중 시운동, 시지각 요인을 복합적으로 반영하기 위해 여러 스테이지로 구성되며, 각 요인을 점진적으로 발달시키기 위해서 다양한 레벨을 가지게 된다. 게임 사용 후 자폐 범주성 장애 아동의 인지발달 향상을 확인해보기 위해서 DTPV-2를 제안해본다. We introduce a serious game for improving the cognitive development in children with Autism Spectrum Disorder (ASD). The hardware of the game consists of a Kinect, a motion capture sensor, which enables interact with ASD children naturally, and a controller to enhance their ability to exercise. The game has several stages which are envolved with visual motor and visual perception components for cognitive development, and various difficulty levels which make it possible to improve each ability progressively. Finally, we suggest DTPV-2 evaluation method to test how much the cognitive development in children with ASD is improved after their using the game.
외식기업의 스포츠 스폰서십 활동이 스폰서 기업의 이미지, 인지도 및 구매의도에 미치는 영향연구
김성인(Kim Sung In),이수범(Lee Soo Bum) 한국호텔외식관광경영학회 2014 한국호텔외식경영학회 학술발표논문집 Vol.2014 No.12
The purpose of this study is to investigate the impacts of sport sponsorship activities on brand image, brand awareness and purchase intention. This study set 424 spectators of customers who experienced sport sponsorship activities of food and beverage company as it’s study on convenience sampling, and used 374 questionnaires excepting 50 inappropriate copies. This research carried out frequency analysis, exploratory factor analysis and reliability analysis using SPSS 18.0. To verify the hypothesis this study used confirmatory factor analysis, structural equation model analysis and multi group analysis using AMOS 18.0. The results of the study are as followed: First, only communication activities and activities contributing to events among sport sponsorship activities had a significant positive influence on brand image and brand awareness. Second, Brand image and brand awareness had a significant positive influence on purchase intention. Third, partially moderating effect of the team identification among variables were found. The findings were suggested in practical and scientifical aspect of food and beverage business. The limits of the study and the recommendation of future studies were discussed.
김성인(Sung-In Kim),이경욱(Kyung-Wook Lee),최진석(Jin-Seok Choi) 대한검안학회 2010 Annals of optometry and contact lens Vol.9 No.2
목적: 접형동 점액낭종으로 인한 시신경병증에서 비내시경적 배액술을 시행한 후 합병증 없이 신속하고 완전하게 시력 회복을 획득한 1예를 보고하고자 한다. 대상과 방법: 57세 남자 환자가 1년 전부터 발생한 좌안의 시력저하를 주소로 내원하였다. 이전 병력은 없었으며 수술 과거력도 없었다. 좌안 최대교정시력은 0.2이었고 동공은 경도로 산대되어 있었으나 상대구심성동공운동장애는 없었으며 안저는 정상이었다. 결과: 안통, 안구돌출, 외안근마비 소견은 없었고 골드만 시야검사상 하비측에서 국소적인 주변시야위축을 보였으며 시유발전위검사상 좌안에서 진폭이 감소된 소견이 나타났다. 뇌자기공명영상촬영상좌측 접형동 및 두개기저의 일부를 침범한 26.9×27.1×33.1 mm 크기의 경계가 매끈한 낭종이 안와첨 및 시신경에 인접하고 두개기저의 일부를 침범하여 뇌실질을 압박하는 소견을 발견하였다. 비내시경으로 낭종을 확인하여 국소마취하에 조대술을 통해 배액하였다. 술 후 1병일째 환자의 좌안 나안시력은 1.0으로 회복되었고 안구 후 혈종이나 외안근 손상 등의 합병증은 발생하지 않았다. 결론: 만성적인 시력저하를 동반한 접형동 점액낭종이라도 고식적인 배액술을 통해서 좋은 시력예후를 기대할 수 있었다. Purpose: To report of a case of optic neuropathy due to sphenoidal mucocele that was treated with drainage under nasal endoscopy successfully. Methods: A 57-year-old male visited our ophthalmologic clinic complaining of decreased visual acuity with no ocular pain in his left eye for a year. The best corrected visual acuity was initially 1.0 in the right eye and 0.2 in the left eye. Light reflex was intact and no relative afferent papillary defect was found, but his pupil was slightly dilated. Fundus examination revealed no remarkable findings. No exophthalmos, ptosis, extraocular muscle movement limitation were found. Results: A notch-like focal contraction was found in Goldmann perimeter, and the decreased amplitude in visual evoked potential. Orbital MRI showed a 26.9×27.1×33.1 mm sized well-demarcated cystic mass involving left sphenoid sinus and skull base. The orbital apex and optic nerve was contiguous with the cystic mass. Adjacent skull base was remodeled and brain parenchyma was compressed. Incisional drainage of the cystic mass was performed by nasal endoscopy. Next day, his visual acuity became 1.0 with no significant complications such as retrobulbar hemorrhage, ptosis, or extraocular muscle movement limitation. Conclusions: Conventional incisional drainage through nasal endoscopy can be effective treatment of the mucocle of sphenoid sinus causing chronic visual disturbance.
어머니의 상호작용행동, 유아의 인지적·정서적 실행기능 및 양심의 관계
김성인(Sung In Kim),남은영(Eun Young Nahm) 한국아동학회 2022 아동학회지 Vol.43 No.2
Objectives: Preschoolers’ conscience refers to a concept revolving around moral emotion, cognition and behavior. This study investigates the relationships among preschoolers’ conscience, hot and cool executive function, and maternal interactive behaviors. Furthermore, it examines the mediating role of preschoolers’ executive function in the relationship between maternal interactive behaviors and preschoolers’ conscience. Methods: Participants comprised 220 mothers and teachers engaging with preschoolers. Data were collected during the COVID-19 period. Therefore, a research process, which suited the changing operations of day-care centers and kindergartens due to social distancing, was adopted. The mothers answered questionnaires on preschoolers’ conscience and maternal interactive behaviors, and the teachers on hot and cool executive function. Obtained data were analyzed using correlations, multiple regression, hierarchical regression, and bootstrapping. Results: Results revealed that the preschoolers’ conscience was significantly related to maternal interactive behaviors and preschoolers’ hot and cool executive function. The preschoolers’ executive function mediated the effect of maternal interactive behaviors on their conscience. Specifically, the plannning and organizing of the executive function fully mediated the relationship between maternal efficient interactive behaviors and preschoolers’ internalized conduct. The bootstrapping result suggested that the indirect effect is statistically significant. Conclusion: This study explored an area of morality that is less researched and incorporated the importance of executive function into it. Additionally, the results confirmed the mediating effect of preschoolers’ executive function on their conscience. The results obtained are expected to help organize activities for developing morality.