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딥러닝 기반 실시간 다중 물체 인식 모바일 어플리케이션
김지예(Jiye Kim) 한국정보기술학회 2020 Proceedings of KIIT Conference Vol.2020 No.10
최근 장면 분할 알고리즘 분야는 물체 분할에 대한 정확도 달성을 목적으로 진행되었고 실제로 정확도는 일정 수준 확보하였으나 일상 생활에 적용하여 사용자에게 편의를 제공하기엔 장비의 한계와 속도 등의 문제점이 여전히 존재한다. 본 연구에서는 모바일에서 26개의 기계 부품을 인식하여 사용자에게 픽셀 단위로 기계부품의 정확한 정보를 전달해주는 것이 목적이며 ShuffleNet V2과 TensorFlow Lite 기반으로 다중 물체 분할 결과를 9fps (Frame Per Second)으로 실시간으로 인식이 가능함을 확인하였다. In recent years, the field of semantic segmentation algorithm has been progressed for the purpose of achieving accuracy, and the accuracy is actually secured to a certain level. However, there are still problems such as limitations of equipment and speed to provide convenience to users by applying them to everyday life. In this study, the purpose of this study is to recognize 26 mechanical parts on a mobile and deliver mechanical parts information to the user. Based on ShuffleNet V2 and TensorFlow Lite, the multi-object segmentation result is recognized in real time at 9fps (Frame Per Second).
한 학부생의 상담학과 진학 동기와 성장 경험 : 협력적 자문화기술지
한지예(Han Jiye),김명찬(Kim Myoungchan) 한국열린교육학회 2016 열린교육연구 Vol.24 No.2
본 연구는 성장 과정에서 상처를 받으며 자란 사람들의 상담학과 진학 의미에 대해 탐색하고, 학부 수 준 상담자 양성과정에 어떤 것들이 고려되어야 하는지에 대한 교육적 시각을 제공하기 위한 연구이다. 이를 위해 두 명의 연구자 중 한 명으로서 학부 상담학과 재학생인 ‘나’의 상담학과 진학 동기와 수련과 정 속에서 경험을 협력적 자문화기술지의 방식으로 기술하였다. 구체적인 연구결과는 다음과 같다. 첫째, 상처받은 내면을 가진 사람들이 자기치유의 목적으로 ‘상담’을 공부할 수 있으며, 그들의 개인적 욕구를 파악하고, 자신을 돌보는 기회를 제공하는 것이 필요하다. 둘째, ‘자기치유’의 목적으로 상담학과에 진학한 학부생들은 명시적 교육 속에서 혼란을 경험할 수 있고, 개인적 자기 발달 경험이 전문가적 자기 발달에도 중요한 의미를 가지는 것을 알 수 있다. 셋째, 인간에 대해 탐구하고 끊임없이 자신을 성찰해야 하는 상담이라는 학문에서 ‘잠재적 교육과정’에 대한 고려가 필요하다. 넷째, 자기치유의 목적으로 상 담을 공부하는 사람들에 대한 교육과정에서 건강한 예비상담자로 성장할 수 있도록 돕는 지지적인 환경을 제공할 필요가 있으며, 의미 있는 관계적 경험을 형성하는 것이 중요하다. This study inquires into the meaning of undergraduate counseling studies for people who were fragmented throughout their lives and gives an educational point of view on what is ought to be considered in the training process of undergraduate counseling studies. For this study, I, as a “fragmented self”, wrote the motivation that drove me into counseling studies and the experience of the practicing progress using collaborative autoethnography method. The specific results are following. First, people with wounded hearts can study ‘counseling’ as a means to cure themselves. Through this process it is necessary that they realize their personal desires and provide themselves with a chance to take care of themselves. Second, students who want to 'cure themselves’ through counseling may experience confusion amongst a clear statement curriculum. However, they are able to know that a personal development experience of self has significant meaning in professional self development. Third, for this reason there needs to be consideration on the 'hidden curriculum' for undergraduate counseling studies, a discipline that unceasingly examines human beings and reflects on self. Fourth, providing a supportive environment for people who wish to study counseling to cure themselves that helps them become a healthy pre-counselor is necessary. It is also important that they form a meaningful relationship-based experience. Finally, this study provides implications on the viewpoints that educators that teach undergraduate counseling students should have and the attitude that students who study counseling to cure themselves should take.
Body Thickness Dependence of Impact Ionization in a Multiple-Gate FinFET
Han, Jin-Woo,Lee, Jiye,Park, Donggun,Choi, Yang-Kyu IEEE 2007 IEEE electron device letters Vol.28 No.7
<P> The body thickness dependence of impact ionization for a multiple-gate fin field-effect transistor (FinFET) is presented. It is found that the nonlocal effect and series resistance are distinct features of reduced impact ionization in the multiple-gate FinFET, and these effects become more pronounced as the body thickness decreases. The impact ionization constant <TEX>$B_{i}$</TEX> is newly extracted by considering the series resistance and nonlocal carrier heating effect. A refined analytical substrate current model is developed from the previous model and revamped for multiple-gate devices. The new substrate current model is then compared with measurement data, and good agreement is observed. </P>
Jiying Han,Hongbiao Yin,Wenlan Wang 서울대학교 교육연구소 2015 Asia Pacific Education Review Vol.16 No.4
This study addresses a paucity of research into teacher motivation in higher education by exploring the relationship between tertiary teachers’ goal orientations for teaching and their approaches to teaching in China. A questionnaire gathered responses from 262 Chinese tertiary teachers, and the results showed these teachers reporting higher levels of relational and mastery goals for teaching and greater student-focused approach to teaching. Male teachers reported lower levels of ability-approach and mastery goals than female teachers, and teachers with no more than 5 years of teaching experience scored higher on both ability-approach and ability-avoidance goals than those with more than 15 years of teaching experience. The study also revealed that teachers’ ability goals significantly predicted a teacher-focused approach to teaching, and mastery goals predicted a student-focused approach to teaching.
The Implication of Substance P in the Development of Tendinopathy: A Case Control Study
Han, Soo-Hong,Choi, Wonchul,Song, Jiye,Kim, Jaehee,Lee, Seungyong,Choi, Youngrak,Byun, Seong-Eun,Ahn, Taekeun,Ahn, Heejung,Ding, Catherine,Baik, Lloyd,Ward, Spencer,Ting, Kang,Lee, Soonchul MDPI 2017 INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES Vol.18 No.6
<P>It was reported that substance P had beneficial effects in the healing of acute tendon injury. However, the relationship between substance P and degenerative tendinopathy development remains unclear. The purpose of this study was to determine the role of substance P in the pathogenesis of tendinopathy. Healthy and tendinopathy tendon were harvested from human and tenocytes were cultured individually. The expression levels of genes associated with tendinopathy were compared. Next, substance P was exogenously administered to the healthy tenocyte and the effect was evaluated. The results showed that tendinopathy tenocytes had higher levels of <I>COL3A1</I>, <I>MMP1</I>, <I>COX2</I>, <I>SCX</I>, <I>ACTA2</I>, and substance P gene expression compared to healthy tenocytes. Next, substance P treatment on the healthy tenocyte displayed similar changes to that of the tendinopathy tenocytes. These differences between the two groups were also determined by Western blot. Additionally, cells with substance P had the tendinopathy change morphologically although cellular proliferation was significantly higher compared to that of the control group. In conclusion, substance P enhanced cellular proliferation, but concomitantly increased immature collagen (type 3 collagen). Substance P plays a crucial role in tendinopathy development and could be a future therapeutic target for treatment.</P>
Han, Jiying,Zhao, Yanlin,Liu, Menghan,Zhang, Jing 서울대학교 교육연구소 2021 Asia Pacific Education Review Vol.22 No.4
College English teachers’ pedagogical content knowledge (PCK) is subject to change in the transition from the teaching of General English (GE) to that of English for Academic Purposes (EAP). Underpinned by Grossman’s four-dimensional model of PCK, this study aims to investigate the trajectory of PCK development among college English teachers through the transition from GE to EAP in the Chinese context. Adopting a qualitative case study approach, multiple sources of data about three teachers were collected through semi-structured interviews, class observations, and teaching materials. Results show that teachers’ conceptions of the purpose of teaching EAP, as opposed to GE, are fundamental to PCK development. The development of diferent PCK components was mainly attributed to a variety of informal learning activities, which are insufcient for well-balanced development. Additionally, the development of PCK was hindered by teachers’ limited content knowledge. The fndings have signifcant implications for efective college English teacher development in the transition from GE teaching to EAP teaching.