• Journal of Korea Multimedia Society
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• v.4 no.5
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• pp.414-422
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• 2001

This paper proposes a classifier of music genre using time delay neural network(TDNN) fur an audio data retrieval systems. The classifier considers eight kinds of genres such as Blues, Country, Hard Core, Hard Rock, Jazz, R&B(Soul), Techno and Trash Metal. The comparative unit to classify the genres is a melody between bars. The melody pattern is extracted based un snare drum sound which represents the periodicity of rhythm effectively. The classifier is constructed with the TDNN and uses fourier transformed feature vector of the melody as input pattern. We experimented the classifier on eighty training data from ten musics for each genres and forty test data from five musics for each genres, and obtained correct classification rates of 92.5% and 60%, respectively.

• Journal of the Ergonomics Society of Korea
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• v.35 no.1
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• pp.53-65
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• 2016

Objective: The aim of this study is to configure a taxonomy of uninterpretable Interactions. Background: Following the spread of the Internet, smart devices have increasingly covered our lives. Human beings are now living in an era of tremendous information explosion. We live with numerous interactive targets nowadays, and there are many ways to interact with these targets. Being an interaction designer in this era, we need to clearly understand the existing methods of the interaction. While Bill Moggridge posed interaction design as a new discipline in 1984, it still has not formed a structured framework. Method: This study categorizes uninterpretable interactions through case studies, and configures the taxonomy of uninterpretable interactions based on Object-Oriented View of interaction. To explore the use value and impact of the taxonomy of uninterpretable interactions, this study conducted an experiment and analyzed related results. Results: The framework gives a positive impact on the design process, and interaction designers can clarify and broaden the scope of their ideas. Conclusion: A study on the Taxonomy of Uninterpretable Interactions was the part that did not gain a lot of attention in the existing interaction process. The study made the part more clear. And the study also helps interaction designers expand their roles in the development process of products or services. Application: The taxonomy framework of uninterpretable interactions might help interaction designers design uninterpretable interactions more clearly, and it can also be applied to design interpretable interactions.

• Journal of the Ergonomics Society of Korea
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• v.35 no.1
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• pp.29-38
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• 2016

Objective: The purpose of this research is to extract factors affecting office lighting and their relations, and then develop a framework that helps designers research and design smart lighting systems. Background: Due to the highly specialized usages of offices, the lighting system within offices also varies according to space, work, user, etc. A framework which considers these various factors and their relations is necessary for understanding and developing smart lighting systems. Method: First we extract factors affecting office lighting conditions, and select factors that can be controlled. We then analyze and develop a structure which reflects the relations among these factors from procedural perspective. Results: We divide factors affecting office lighting into physical and social factors, and then conceptualize their relations using a circular model. We then develop our framework from procedural perspective by dividing these factors into three levels, namely Subject, Action and Object. Conclusion: The developed framework organizes various factors affecting office lighting and their relations, and helps understand the procedural and structural aspects of lighting system. Application: Our framework helps designing and refining smart lighting system for complicated office spaces by helping people understanding the overall structure of office lighting.

• Journal of International Academy of Physical Therapy Research
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• v.4 no.2
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• pp.605-610
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• 2013

The purpose of this study is to examine the changes on lumbar muscle strength in relation to 12-week pilates mat exercise of elderly women. The participants are chosen for 17 people who is an experimental group and 14 people who is an comparison group who except wastage and pilates mat exercise program was gradually intensify applied three times a week, during 12 weeks. The peak torque of flexion was increased(p<.01) and the difference of ratio of agonist to antagonist was decreased(p<.001). The total work of flexion and extension had significant increased(p<.001) at $120^{\circ}/sec$. As a result of all these, it was judged as positive effect for body composition, basal physical fitness and lumbar muscle strength after pilates mat exercise in 12 weeks. These positive effects showed that pilates mat exercise could got conclusions that mitigated the musculoskelctal disorders, slow down the progress of disorders, helped as a functions of physical.

• Computers and Concrete
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• v.3 no.1
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• pp.29-42
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• 2006

In this study, a novel education system for inspection of concrete bridges is presented. The new education approach uses virtual reality (VR) and three-dimensional computer graphics (3DCG) in training engineers to become bridge inspection specialists. The slow time-dependent deterioration of concrete bridges can be reproduced on the computer screen in any chosen time frame, thus providing the trainees with illustrative and educative insight into the deterioration problem. In the proposed VR/3DCG approach a three-dimensional model of concrete bridge, including surfaces, viewpoints and walkthrough paths is created. With the help of this virtual bridge model, an experienced bridge inspection specialist teaches the different deterioration phenomena of concrete bridges to the trainees. The new system was tested, and the inspection results from the case bridge showed that in comparison with the traditional Japanese bridge inspection education system, the new system gives better results. In addition to the improvement of quality of bridge inspections, the new VR/3DCG system-based education brings along some other, more intangible benefits.

• Journal of Korea Game Society
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• v.19 no.6
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• pp.107-116
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• 2019

A diabetes self-management serious game, 'Roly Poly 160' is developed for Type II diabetes patients to decrease their blood Sugar level. For verifying the effectiveness of 'Roly Poly 160', we examined the satisfaction survey. Data were collected from the diabetes patients and public those who have used 'Roly Poly 160' through D Community health center and S Community health center in Gwangju, from November, 27, 2018 to December, 4, 2018. 67 people returned the survey through the 'Roly Poly 160' APP. The overall average satisfaction level was 3.7 out of 5.

• Transactions of the Korean hydrogen and new energy society
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• v.29 no.1
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• pp.32-40
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• 2018

There has been an measuring errors between state of charge (SOC; kg) value and mass flow meter (MFM) value in dispenser for hydrogen refueling station. Finally, we observed average 15.5% weight difference between these two values and the MFM readings show a 15.5% higher readout of the SOC readings. Each car was charged with average 2.66 kg of hydrogen fuel during this period. In the initial charging of the day shows less measuring value than the final charging with the maximum 0.038 kg times number of filling. There is no effects of atmosphere temperature change for the hydrogen filled weight during one full year such as January's cold winters and August's hot summers.

• The Journal of Natural Sciences
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• v.15 no.1
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• pp.149-158
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• 2005

These Study for meaning of Skirt Exhibition of Prada who has originality about minimalism, anti design. Her special characteristics of modern design world is very trendy. The latest trend which is deconstruction, nonos tribe, techno-functional of Prada style showed her exhibition. It was very meaningful about Prada fashion and modern design and culture. The various fused fashion items and genres are normally observed in the skirt exhibition. Besides interpretation of light and movement, novelty of modern design would be guided to the exit of modern culture and art, which haver to answer to th e continuous questions.

• 한국HCI학회:학술대회논문집
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• 2006.02b
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• pp.327-333
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• 2006

낯선 환경에서 이동하며 여행하는 여행자들은 문화와 언어 등의 차이로 인해 어려움에 부딪히며 다양한 문제를 갖는다. 그로 인해 만족스러운 여행을 달성하지 못하거나, 안 좋은 추억들을 가지게 된다. 이러한 상황에 부딪힐 때마다 여행자들은 문제를 해결하기 위한 정보를 매 순간마다 찾아 사용하게 된다. 따라서, 만족하는 여행을 달성하기 위하여 자신의 상황에 가장 적절한 정보에 대한 니즈가 증대 되었다. 본 연구는 '미래의 유비쿼터스 컴퓨팅 시대의 여행자가 만족스러운 여행을 하기 위하여 정보 서비스는 어떻게 제공되어야 하는가?' 라는 물음으로부터 시작하였고, 이를 위하여 사용자의 상황에 따라 가장 적절한 서비스를 하는 컨텍스트 인식 서비스가 낯선 상황을 매번 접하게 되는 여행자들에게 유용한 방법으로 제시될 수 있을 것이라는 전제하에 진행되었다. 본 연구에서는 여행자가 처한 상황에서 가장 필요로 하는 최적의 정보를 휴대전화 인터페이스를 통해 얻음으로써, 만족스러운 여행을 할 수 있도록 컨텍스트 인식 서비스를 디자인하는 방법을 제안하였다. 연구의 내용으로는 첫 번째로, 여행자의 상황을 사용자의 목적을 이루기 위한 행위의 단계의 시점으로 보았다. 두 번째로, 여행자들은 목적의 행위단계마다 다른 정보를 사용하며, 원하는 정보의 우선순위는 발생하는 컨텍스트와 관련이 있다는 사용자 조사의 결과 도출하였다. 세 번째로, 이를 바탕으로 여행자가 가지는 목적 중 '식사하기'를 중심으로 각 상황마다 여행자가 필요로 하는 정보를 휴대전화를 통해 제공하는 컨텍스트 인식 서비스의 방법을 제안하고, 마지막으로, 이를 사례에 적용하여 서비스의 컨셉을 구체화하였다.

• Transactions of the Korean hydrogen and new energy society
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• v.28 no.3
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• pp.279-286
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• 2017

Korea government decides to build one hundred hydrogen refueling stations (HRS) until 2020 and tries to disseminate HRS and boosts HRS market in korea. Naepo HRS in chungnam province has been operated for last one full year of 2016 and recorded 2,520 times full charge for the hydrogen fuel cell powered vehicles and total 6,016 kg hydrogen fueling for the 25 units of hydrogen fuel cell powered vehicles. Raw fuel of hydrogen from tube trailer measured by pressure, converting into weight of hydrogen and shows 19.6% surplus with final charged weight by dispenser. This result is caused measuring errors. Measured charged errors between dispenser and Mass flow meter was determined 13.13%.