• Annual Conference of KIPS
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• 2024.10a
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• pp.1163-1164
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• 2024

본 연구에서는 색채 심리학 기반 음악 추천 시스템을 제안한다. 제안하는 시스템에서는 먼저, 사용자에게 원하는 색상을 선택하도록 요청하며 사용자가 선택한 색상 정보로부터 사용자의 감정상태를 예측한다. 그다음 양방향 장단기 메모리 모델을 통해 현재 음원 서비스의 상위권 음악들의 앨범 설명으로부터, 각 음악을 들었을 때 불러일으킬 감정을 예측해 음악들을 분류한다. 그리고 앞서 색상 정보로부터 예측한 감정 상태에 대응되는 음악들을 사용자에게 추천한다. 또한 음악 내 사용자가 선호하는 BPM(Beats Per Minute) 구간을 고려해, 보다 사용자 맞춤형으로 음악을 추천할 수 있는 방법을 제안한다. 파이썬(Python)을 활용해 제안하는 시스템을 구현했으며, 음원 서비스 멜론(Melon)에서 음악 장르별 상위 50 곡의 데이터를 수집 및 활용해 구현한 시스템을 검증했다.

• Electronics and Telecommunications Trends
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• v.22 no.2 s.104
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• pp.48-57
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• 2007

본 고에서 다루고자 하는 지능형 로봇 공간(intelligent robotic space)은 이동성(mobility), 조작성(manipulability)으로 대표되는 로봇의 독특한 기능을 분산센싱, 분산처리환경을 구축하여 고기능화함으로써 자연스러운 이동, 조작기능의 구현이 가능한 공간으로 정의할 수 있다. 이는 개념적으로 가상 공간(virtual space), 추론 공간(semantic space), 물리 공간(physical space)으로 구성된다. 가상 공간은 로봇-센서간 융합을 통한 환경지도 작성 및 표현을 위한 플랫폼 기술이고 추론 공간은 로봇 및 로봇과 연동된 사람이나 사물의 상태 해석을 위한 객체 모델 기술이다. 물리 공간은 지능형이동성과 로봇 조작 능력의 향상을 위한 지능형 하드웨어 공간이다. 본 고에서는 물리공간에서 가장 핵심적인 이슈인 실내 측위기술에 대해서 알아본다. 측위기술은 사람이나 사물의 위치를 정밀하게 결정하여 로봇이 인간과 공존할 수 있도록 안정적이고 신뢰성 있는 측위 정보를 제공하는 것을 목적으로 한다. 지능형 로봇을 위한 측위기술은 크게 무선 센서네트워크 기반의 광역(coarse) 위치 결정과 RFID 및 로봇 비전(vision)을 기반으로 하는 정밀(fine) 위치 결정으로 나뉘어진다. 본 고에서는 Wi-Fi, ZigBee, UWB를 이용하는 무선 센서네트워크 기반의 실내 위치 측정에 관한 연구 개발 동향을 분석하고 각각의 기술이 가지는 장단점을 비교한다.

• Electronics and Telecommunications Trends
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• v.27 no.3
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• pp.62-72
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• 2012

IT 기술과 콘텐츠 기술이 융합된 가상현실 기술은 최근 산업, 의료, 엔터테인먼트, 교육, 문화 체험, 국방, 건축 등 적용이 널리 증가되고 있다. 본고에서는 실감형 가상현실 상호작용 기술의 동향과 활용 사례를 통하여, 핵심기술 요소와 시장 활용성 및 향후 응용 분야를 제시한다. 특히, Physical User Interface(PUI) 센서, depth 센서(혹은 RGB-D 센서) 등 3D 인터페이스를 통해 사용자의 위치 추적 및 사용자의 의도를 실시간으로 분석하고, 주변 환경에 대한 그래픽적인 표현 및 시각화에 의해 콘텐츠와 그래픽적인 표현 및 시각화에 의해 콘텐츠와 자연스럽게 상호작용하는 기법에 관한 동향을 중심으로 소개한다.

• The Journal of the Convergence on Culture Technology
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• v.9 no.1
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• pp.605-611
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• 2023

In this study, in order to reduce energy that affects the natural environment, a moving iron core type welding machine and a digital welding machine (inverter type) with low power consumption are compared in shielded arc welding, and the parts that use less power and have the same weldability conditions are identified. want to check. The movable iron core welder uses alternating current that outputs a sine wave, and the digital welder also generates a sine wave alternating current, so it must have the same conditions, low power consumption, and the same weldability. However, weldability can be verified in various ways, but the analysis is limited to the qualification test in the field of national technical qualification welding.

• Journal of the Korea Convergence Society
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• v.11 no.7
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• pp.377-387
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• 2020

This study is a retrospective and descriptive research to identify the factors affecting development of spontaneous abortion in women of childbearing age. The subjects totaled 198 females aged 20~45 who had experienced childbirth or spontaneous abortion at least once, and data was collected for one month since July 2019 through self-reporting questionnaires. The results showed that the factors affecting development of spontaneous abortion were use of panty liners (daily: reference, 1~2 times a week: B=-1.74, no: B=-0.77) and antimicrobials (often or a lot: reference, small or normal: B=-0.71, no: B=0.79), occupational groups (inoccupation: reference, service industry employee: B=0.73, white collar: B=1.22, professional: B=0.63, manager: B=1.54), and exposure-risk behavior toward endocrine-disrupting chemicals (B=0.81) during pregnancy, and their explanatory power for development of spontaneous abortion was 24.4% (R²=.24). As a result, it is necessary to prevent endocrine-disrupting chemicals exposure and pay attention to the occupational environment during pregnancy in order to reduce the development of spontaneous abortion.

• Journal of the Korean Society of Earth Science Education
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• v.13 no.3
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• pp.270-283
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• 2020

The purpose of the study is to investigate the perception of elementary pre-service teachers about convergence program after conducting 'Making shadow book using my creative story' activity. The program consists elementary pre-service teachers to creat their own stories and using them to make a "shadow book." The program was conducted on 52 elementary pre-service teachers for eight weeks. After the end of the program, they were examined for their perception of the convergence program with the Likert scale questions and essay questions. The analysis results of the Likert scale questions showed that they scored very high on the objectives, contents and methods of the program, and the satisfaction, necessity and willingness to re-participate were also high. In addition, the analysis results based on keywords of essay questions about how the program operates, and its advantages and improvements made it possible to categorize them into instructional content, convergence education, teaching competency, thinking ability, psychology, and emotional experience. Through this study, we could see that by experiencing the convergence program ran by cooperative professors of different majors, elementary pre-service teachers naturally recognized the meaning, importance and necessity of convergence education, understood the contents of related subjects easily, and improved teaching competency. But, they also mentioned various improvements due to the situation of non-face-to-face classes.

• Convergence Security Journal
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• v.24 no.3
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• pp.33-39
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• 2024

The remarkable advancement of artificial intelligence technology is bringing innovative changes to the field of education. In particular, generative AI models like ChatGPT hold great potential in self-directed programming education due to their natural conversational abilities. This study analyzed the learning effects of using ChatGPT in Scratch classes for non-SW majors. Dividing the classes into those using ChatGPT and those not, and conducting the same evaluations and surveys for the ChatGPT-utilizing group, the results showed that ChatGPT significantly enhanced learning outcomes and the utility of ChatGPT was highly evaluated in advanced learning areas such as understanding Scratch's advanced features and algorithms. This study is significant as it empirically demonstrates the potential of generative AI like ChatGPT as an effective tool in programming education.

• Journal of the Korea Convergence Society
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• v.9 no.7
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• pp.277-283
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• 2018

This research was attempted to understand the types of the subjectivities possessed by the individuals regarding the management of the health of the skin on the part of the female university students by applying the Q-methodology and to comparatively analyze the special features. Regarding the subjects of the research, 41 female university students at one university were made into the P-samples. And, by selecting 34 Q-samples from the total of 141 Q-populations, the forced distribution took place in terms of the 9-points scale. The subjects were interviewed, and the contents regarding interviews were recorded. The data were analyzed with the QUANL program. As a result of the research, the 4 types were discovered. They appeared as 'the professional knowledge pursuing type', who consider the expertise regarding the skin management important, 'the nature-oriented type', who express the importance of the skin rather than the functional, cosmetic products, 'the active self- management type', who pursue the highly-functional cosmetic products and the active skin management, and 'the self-ostentation type', who consider the external parts, rather than the health, important. As a result, based on the results of this research, the special characteristics by each type regarding the skin health management of the female university students must be understood, and a differentiated educational method or approach method for the skin health management resulting this must be considered.

• School Science Journal
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• v.13 no.3
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• pp.181-202
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• 2019

The visible decline of biodiversity, today, demands a more extended role for education in dealing with diverse and complex environmental problems-not only in drawing attention to the issues, but also in encouraging participation in problem solving. This study aims to expand the role of science museums, as a creative learning space, to be more responsive to growing social demands, by attempting to develop a family-based art-science convergence educational program about biodiversity. To determine the essential learning contents needed to develop a pilot program, biodiversity-related content and convergence activity of art and science textbooks were reviewed. Then, by selecting photography as a method of artistic experiences, it developed 'Photographers fall in love with Nature', a pilot program consisting of 'invitation to questions', 'exploration', and 'creative expression', considering key stages in convergence curriculum and aesthetic experience curriculum. The developed program was applied to the classes offered three times at a university's museum of natural history over the winter vacation (January 2019). The final version of the program was developed based on the results obtained from analyzing diverse forms of data, including questionnaires, observations, and interviews, that were collected during the pilot program. Lastly, the study discusses the need to broaden the educational role of science museums to become a site for an art-science convergence learning experience, and it proposes follow-up studies for proliferation of these programs.

• Land and Housing Review
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• v.15 no.3
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• pp.141-151
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• 2024

This paper presents the results of an experimental study to evaluate the shear behavior of reinforced concrete beams reinforced with FRCM composites using different types of textile grids. It was found that the shear behavior of reinforced concrete beams with FRCM composites was observed by comparing the strains measured in the stirrups and textile grids. It was found that the ultimate strength of the strengthened specimens increased compared to the basic specimens, and the failure mode at ultimate strength changed from shear failure to bending failure. When the shear strength design values of the KDS 14 20 22 and AIJ ultimate strength types were compared with the actual experimental values, it was found that the AIJ ultimate strength type was more accurate. In addition, the shear contribution of FRCM composites in the A and T models was compared, and the results showed that both models had similar trends. Reflecting these results, it is recommended that further studies should be conducted to calculate the shear performance of beam members with FRCM composites and the shear contribution of FRCM composites by using the stirrup reinforcement ratio and the type of textile grid as variables.