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송종윤(Jongyoon Song),윤성로(Sungroh Yoon) 대한전자공학회 2018 대한전자공학회 학술대회 Vol.2018 No.11
Recently, neural networks achieved high performance in neural machine translation domain. Self-attention based models have better performance than convolutional neural networks (CNNs) or recurrent neural networks (RNNs). A result of self-attention over several layers resembles a tree structure of the sentence. In this paper, we analyze attention weights of self-attention based neural machine translation model, and compare with the tree structure of input sentence, and investigate redundancy or non-intuitiveness.
GIS기법을 이용한 소규모 댐 붕괴에 따른 하류피해 산정 간편법 제안
박종윤 ( Jongyoon Park ),조형경 ( Hyungkyung Joh ),이주헌 ( Jooheon Lee ),강부식 ( Busik Kang ),윤창진 ( Changjin Yoon ),김성준 ( Seongjoon Kim ) 한국농공학회 2010 한국농공학회 학술대회초록집 Vol.2010 No.-
This study is to analyze a downstream flood damage prediction model for efficient confrontation in case of extreme and flash flood by future probable small agricultural dam break situation. For a Changri (0.419 million m<sup>3</sup>) and Joongri (0.111 million m<sup>3</sup>) reservoir located in Yongin city of Gyeonggi province, a dam break scenario was prepared. With the probable maximum flood (PMF) condition calculated from the Creager's method, the flood condition by dam break was generated by using GIS (Geographic Information System) technique. The flood damaged areas were generated by volume-elevation curve from the storage representation of lowland and the boundaries were extracted for flood damage prediction, and the degree of flood damage was evaluated by modifying simple method.
송보영 ( Boyoung Song ),문종윤 ( Jongyoon Moon ),김민호 ( Minho Kim ),전철구 ( Cheolgu Jeon ),윤경진 ( Gyungjin Yoon ) 국군의무사령부 2017 대한군진의학학술지 Vol.48 No.1
Mean age of subjects is 37.4 years old, average working years are 4.5 years and working weeks are 51.5 hours. Assessment was conducted based on legislation of the Ministry of Environment : the Law on indoor air quality of multiuse facilities. Carbon dioxide at 5 multiuse facilities out of 10 exceeds the standard. Radon was found in A bunker. In addition, 2 bunkers had high humidity and mould spores. It shows bad ventilation in the facilities. 44 percents (55 people) replied at dissatisfaction environmental satisfaction analysis of workers and factors are as follows : dusty condition in the air ( 67% ), feeling too environmental density ( 61.1% ), poor ventilation ( 57.8% ), poor air circulation ( 56.2% ) As a result of the analysis, working environment is negatively affected by air quality rather than indoor temperature, humidity and light. We evaluated with Korean job stress measuring instrument to have objectivity. As a result, underground bunker workers showed lower job stress than average job stress of Korean workers in all fields except conflict field. However, significant results has come out as a result of recent analysis conducted with stress points. This analysis is based on the stress points of bunker workers. As a result of comparative analysis of job stress according to working career, Workers who have worked from 3 years to 10 years showed 44.4 points which is 11.1 points higher than median, 33.3, and it is the highest 25%. It is relatively high in physical environment which the middle officials feel. For workers whose working weeks are more than 70 hours, they feel more stress in physical environment than other group. It means that working environment is not a limit for soldiers to perform their duties but if they are exposed for a long time, it can be harmful. Therefore, we suggest that the military find various stress factors, manage them actively and keep health effect evaluation for long-term workers.
The Fiber Orientation Distribution of Injection Molded Long Fiber Reinforced Polymeric Composites
Kim, Hyuk,Ann, Jongyoon,Yoon, Sungun CHOSUN UNIVERSITY 1997 Basic Science and Engineering Vol.1 No.1
The characteristics of fiber-reinforced plastic composites depend on the quantity and shape of fibers. During a injection molding process of composites, the fiber-matrix separation and fiber orientation are caused by the flow of molten polymer/fiber mixture. As a result, the product tends to be nonhomogeneous and anisotropic. Hence, it is very important to clarify the relations between separation orientation and injection molding conditions. So far, there is no study on the measurement of fiber orientation using image processing. In this study, the effects of fiber length, fiber content, matrix, and molding condition on the fiber distribution and by using image processing technique, a method is achieved for quantitative visualization of fiber orientation of a product which is injection molded of long fiber reinforced polymeric composites. Using the burning method, fiber content distribution in products and the effects of fiber content by weight on the fiber orientation functions are discussed.
일본 프로야구팀의 비주얼 아이덴티티의 이미지 색채 적용에 관한 연구 - 엠블럼, 컬러, 마스코트를 중심으로
이영훈(Lee, YoungHoon),김동민(Kim, Dongmin),조윤주(Cho, Yoon Ju),이종윤(Lee, JongYoon) 한국색채학회 2021 한국색채학회 논문집 Vol.35 No.1
Professional baseball teams express their identities to the audience through the colors of their emblems and mascots. The emblem is a visual language that symbolizes a baseball team, making it easy to recognize by the audience as an abstract or conceptual image. The mascot is an identity element that audiences may prefer and are easily accessible. This study targets the top 5 teams in 2018 (10 teams) for each league among the teams in the two major leagues of Japanese professional baseball (Central League, Pacific League). This study intends to construct a visual identity by drawing differences in identity. Each baseball team"s emblem and mascot color analysis extracted the main color and auxiliary color RGB color aimed I.R.I image scale substituted and then gave and analyzed the image. As a result of the detailed analysis, looking at the emblem color image, most teams are distributed in dynamic and hard emotional adjectives that represent colorful, dynamic, and modern. The mascot color matching image is distributed in the dynamic and soft emotional adjectives that most teams represent dynamic, colorful, cheerful, and cute. In the I.R.I Adjective Image Scale, the emblem is represented by adjectives such as individual, rhythmic, attractive, cool, innovative, strong, modern, progressive, and rough. On the other hand, mascots are expressed as individual, outstanding, colorful, cute, active, innovative, outstanding, progressive, urban, innovative, strong, modern, progressive, and rough. This study examines the correlation of the user"s preference through an objective and empirical color code analysis method of the meaning of the emblems and mascots of the Japanese professional baseball team and is meaningful in both industrial and academic aspects.