• Title/Summary/Keyword: 과학예술

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Robust Dynamic Projection Mapping onto Deforming Flexible Moving Surface-like Objects (유연한 동적 변형물체에 대한 견고한 다이내믹 프로젝션맵핑)

  • Kim, Hyo-Jung;Park, Jinho
    • Asia-pacific Journal of Multimedia Services Convergent with Art, Humanities, and Sociology
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    • v.7 no.6
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    • pp.897-906
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    • 2017
  • Projection Mapping, also known as Spatial Augmented Reality(SAR) has attracted much attention recently and used for many division, which can augment physical objects with projected various virtual replications. However, conventional approaches towards projection mapping have faced some limitations. Target objects' geometric transformation property does not considered, and movements of flexible objects-like paper are hard to handle, such as folding and bending as natural interaction. Also, precise registration and tracking has been a cumbersome process in the past. While there have been many researches on Projection Mapping on static objects, dynamic projection mapping that can keep tracking of a moving flexible target and aligning the projection at interactive level is still a challenge. Therefore, this paper propose a new method using Unity3D and ARToolkit for high-speed robust tracking and dynamic projection mapping onto non-rigid deforming objects rapidly and interactively. The method consists of four stages, forming cubic bezier surface, process of rendering transformation values, multiple marker recognition and tracking, and webcam real time-lapse imaging. Users can fold, curve, bend and twist to make interaction. This method can achieve three high-quality results. First, the system can detect the strong deformation of objects. Second, it reduces the occlusion error which reduces the misalignment between the target object and the projected video. Lastly, the accuracy and the robustness of this method can make result values to be projected exactly onto the target object in real-time with high-speed and precise transformation tracking.

A Study on the Case of Inter-cultural Education in Germany: Focus on the Curriculum of SESB (독일의 상호문화교육 사례에 대한 연구 : 베를린 EU학교의 교육과정을 중심으로)

  • Oh, Young-Hun;Bang, Hyun-Hee
    • Asia-pacific Journal of Multimedia Services Convergent with Art, Humanities, and Sociology
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    • v.6 no.11
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    • pp.81-90
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    • 2016
  • This research examines mutual culture education in accordance with Germany's immigrant social integration policy by analyzing the National European School in Berlin. In this regard, the curricula of Joan-Miró elementary school and Finow elementary school are analyzed. Germany maintains a multicultural policy which enables immigrants to maintain their native language and identity and simultaneously integrate them into the German society. In short, maintenance of immigrants' mother tongue and immigrant students' acquisition of the German language is the core of Germany's social integration policy. The National European School in Berlin is a public school established for the sake of an educational environment in which students can not only build up language capacity, but also create a culturally mutual environment for multicultural students. The school's educational objective is mutual culture education which can integrate and maintain the cultural identity and language of multicultural students. Joan-Miró elementary school encourages mutual cultural ability and bilingual ability while preparing students for the future intelligent society, leading their independent life and self-initiated learning. Finow elementary school encourages mutual culture ability, language capacity and directional capability apart from the basic capacities that can reinforce students to become citizens in demand of the future intellectual society. Korean foreign language education needs to be practically diversified as in the case of the Germany's National European school. Also, improvement of educational environment such as students' bilingual ability, students' ability development regarding their individual characteristics, and the capability of mutual culture understanding are issues that should be urgently treated.

A Comparison Study on the Speech Signal Parameters for Chinese Leaners' Korean Pronunciation Errors - Focused on Korean /ㄹ/ Sound (중국인 학습자의 한국어 발음 오류에 대한 음성 신호 파라미터들의 비교 연구 - 한국어의 /ㄹ/ 발음을 중심으로)

  • Lee, Kang-Hee;You, Kwang-Bock;Lim, Ha-Young
    • Asia-pacific Journal of Multimedia Services Convergent with Art, Humanities, and Sociology
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    • v.7 no.6
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    • pp.239-246
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    • 2017
  • This paper compares the speech signal parameters between Korean and Chinese for Korean pronunciation /ㄹ/, which is caused many errors by Chinese leaners. Allophones of /ㄹ/ in Korean is divided into lateral group and tap group. It has been investigated the reasons for these errors by studying the similarity and the differences between Korean /ㄹ/ pronunciation and its corresponding Chinese pronunciation. In this paper, for the purpose of comparison the speech signal parameters such as energy, waveform in time domain, spectrogram in frequency domain, pitch based on ACF, Formant frequencies are used. From the phonological perspective the speech signal parameters such as signal energy, a waveform in the time domain, a spectrogram in the frequency domain, the pitch (F0) based on autocorrelation function (ACF), Formant frequencies (f1, f2, f3, and f4) are measured and compared. The data, which are composed of the group of Korean words by through a philological investigation, are used and simulated in this paper. According to the simulation results of the energy and spectrogram, there are meaningful differences between Korean native speakers and Chinese leaners for Korean /ㄹ/ pronunciation. The simulation results also show some differences even other parameters. It could be expected that Chinese learners are able to reduce the errors considerably by exploiting the parameters used in this paper.

Performance Improvement of Bearing Fault Diagnosis Using a Real-Time Training Method (실시간 학습 방법을 이용한 베어링 고장진단 성능 개선)

  • Cho, Yoon-Jeong;Kim, Jae-Young;Kim, Jong-Myon
    • Asia-pacific Journal of Multimedia Services Convergent with Art, Humanities, and Sociology
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    • v.7 no.4
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    • pp.551-559
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    • 2017
  • In this paper, a real-time training method to improve the performance of bearing fault diagnosis. The traditional bearing fault diagnosis cannot classify a condition which is not trained by the classifier. The proposed 4-step method trains and recognizes new condition in real-time, thereby it can classify the condition accurately. In the first step, we calculate the maximum distance value for each class by calculating a Euclidean distance between a feature vector of each class and a centroid of the corresponding class in the training information. In the second step, we calculate a Euclidean distance between a feature vector of new acquired data and a centroid of each class, and then compare with the allowed maximum distance of each class. In the third step, if the distance between a feature vector of new acquired data and a centroid of each class is larger than the allowed maximum distance of each class, we define that it is data of new condition and increase count of new condition. In the last step, if the count of new condition is over 10, newly acquired 10 data are assigned as a new class and then conduct re-training the classifier. To verify the performance of the proposed method, bearing fault data from a rotating machine was utilized.

The real state of the learning achievement assessment of the basic curriculum of the special education for referring learning and growing of children (배움·성장 평가를 위한 특수교육 기본교육과정 학업성취도 평가 실태)

  • Shin, Seoyoung;Park, Changun
    • Asia-pacific Journal of Multimedia Services Convergent with Art, Humanities, and Sociology
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    • v.7 no.7
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    • pp.69-78
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    • 2017
  • This study researches and analyses the state of the learning achievement assessment of the basic curriculum of the special education in the viewpoint of the individualized education pursuing for the learning and growing of each person, and discusses the political plan for support on the basis of the results. The object of study was 129 special school teachers working in B metropolitan city applying for the basic curriculum. For the measurement, the tool developed by the examination of FGI and the specialist on the basis of test research related to the evaluation tools of the learning achievement assessment for the special education was used. As the result of analysing the real state, to evaluate the individual learning and growing in the aspect of the plan, criteria, period of the evaluation, the special education teachers were approaching in detailed and precise quality, and guiding and using the evaluation results in the various ways in the prospective of the curriculum. The recognition on the sub-element in the each area of the measurement tools showed the difference by gender, age, career, academic achievement, school class, foundation type. On the basis of the results of the real state, as the political support plan, some advice were proposed, which were the expansion of the autonomy of making the curriculum achievement standard and the evaluation system, improving the field and system of the learning achievement assessment, establishing the support system to strengthen the evaluation competences in accord with the teachers' background variables, etc.

An Analysis of the Economic Impact of the Advertising and the Film Industry (광고산업과 영화산업의 산업연관효과 분석)

  • Kwon, Shin-Hye;Chang, Byeng-Hee;Park, Kyung-Woo
    • Asia-pacific Journal of Multimedia Services Convergent with Art, Humanities, and Sociology
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    • v.7 no.7
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    • pp.671-678
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    • 2017
  • In this paper, we conducted an industry input-output analysis to examine the impact of the advertising industry on the movie industry. As a result, the production inducement effect increased from 1993 to 2008, and it decreased from 2009 to 2012. In 2014, the production inducement effect increased to 0.028 won. Value added effect is found that it fluctuated yearly. As a result of the sensitivity coefficient of the advertising industry, it decreased increasingly. In the case of the influence coefficient for backward linkage effect, it showed a decreasing tendency after 1998, but it increased from the beginning of 2009. This study examines the influence of the advertising industry on the input of the output by analyzing the impact of the advertising industry on the movie industry. As a follow-up study, it is necessary to compare the impact of the advertising industry on the movie industry and other industries such as publishing and broadcasting.

Study of Smart Integration processing Systems for Sensor Data (센서 데이터를 위한 스마트 통합 처리 시스템 연구)

  • Ji, Hyo-Sang;Kim, Jae-Sung;Kim, Ri-Won;Kim, Jeong-Joon;Han, Ik-Joo;Park, Jeong-Min
    • Asia-pacific Journal of Multimedia Services Convergent with Art, Humanities, and Sociology
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    • v.7 no.8
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    • pp.327-342
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    • 2017
  • In this paper, we introduce an integrated processing system of smart sensor data for IoT service which collects sensor data and efficiently processes it. Based on the technology of collecting sensor data to the development of the IoT field and sending it to the network · Based on the receiving technology, as various projects such as smart homes, autonomous running vehicles progress, the sensor data is processed and effectively An autonomous control system to utilize has been a problem. However, since the data type of the sensor for monitoring the autonomous control system varies according to the domain, a sensor data integration processing system applying the autonomous control system to various different domains is necessary. Therefore, in this paper, we introduce the Smart Sensor Data Integrated Processing System, apply it and use the window as a reference to process internal and external sensor data 1) receiveData, 2) parseData, 3) addToDatabase 3 With the process of the stage, we provide and implement the automatic window opening / closing system "Smart Window" which ventilates to create a comfortable indoor environment by autonomous control system. As a result, standby information is collected and monitored, and machine learning for performing statistical analysis and better autonomous control based on the stored data is made possible.

Judgement of Violation of the Protection Duty of Internet Service Provider (인터넷 서비스 제공자의 보호조치 의무 위반의 판단)

  • Kang, Juyoung;Kim, Hyunji;Lee, Hwansoo
    • Asia-pacific Journal of Multimedia Services Convergent with Art, Humanities, and Sociology
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    • v.6 no.7
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    • pp.17-26
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    • 2016
  • Information spill was occurred several times in the country due to the negligence of the large internet service providers including SK Communications, Auction, KT. In order to judge the Internet Service Provider(ISP)'s liability in individual data spill caused by hacking, the violation of existing legislation or general principle of law's good faith principle has to be examined. However, based on current ISP's good faith principle, there is no objective standard for judging liability. Such uncertain range of protection action duty based on good faith principle generates complaint toward companies, therefore presentation of objective judgement range index on how to determine this range is needed. However due to the legal characteristic of above-mentioned law, it is not possible to fix the range of protection action duty and regulate it on law. In order to resolve this, rather than concerning simply on legal system level, fusion approach method is needed. Thus, this research will discuss the measure for objective standard for predicting ISP's range of protection action duty through fusion view dividing in technical, legal and administrative aspects.

Quantitative Research Trends for Critical Care Survivors' Health related Quality of Life after Intensive Care Unit Discharge (중환자실 생존 환자의 퇴원 후 건강관련 삶의 질에 관한 국내·외 양적연구 동향)

  • Son, Youn-Jung;Song, Hyo-Suk
    • Asia-pacific Journal of Multimedia Services Convergent with Art, Humanities, and Sociology
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    • v.6 no.12
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    • pp.55-67
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    • 2016
  • Purpose: The aims of this were to analyse the quantitative research trends and describe the factors influencing health related to quality of life (HRQoL) and instruments used to HRQoL after Intensive care units (ICU) discharge. Methods: This study were included 84 published papers regarding HRQoL after ICU discharge from initial data to December 2015. Results: The majority of papers were performed abroad. Only 4 papers with regard to HRQoL of ICU survivors were performed by nurses. 36 studies (42.8%) were used to measure HRQoL ICU survivors using the SF-36. 29 studies (34.5%) were used to measure HRQoL at 3~6 months after ICU discharge. Older age, longer length of stay at ICU, severity of illness, anxiety and depression were main risk factors to lower HRQoL in ICU patients. Conclusions: This study provides a better understanding of quality of life follwing critical illness. Therefore, further stduy is needed to develop patient centered intervention considered patients'health status and recovery phase. Additionally, large prospective multicenter cohort studies should be required.

The Study to Suggest a Methods to Evaluate Heating and Cooling Energy Performance based on Daily Life (실생활기반 냉난방에너지 성능평가 방법 제안 연구)

  • Jeon, Gangmin;Lee, Heangwoo;Kim, Yongseong
    • Asia-pacific Journal of Multimedia Services Convergent with Art, Humanities, and Sociology
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    • v.5 no.3
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    • pp.291-299
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    • 2015
  • With recent surge of attention to heating and air conditioning energy consumption, the need for evaluating performance of heating and air conditioning energy is also on the rise. This research aims to propose daily-life based evaluation method as an alternative to existing one, as well as to apply the method in real life to prove its validity. The results are as following. 1) I studied temperatures preferred by persons indoors and appropriate level of temperature, and the results show that properties of such persons such as age is directly linked with pleasantness of the room, but the issue lies with the fact that such properties are not considered in existing performance evaluation of heating and air conditioning. 2) Daily life based evaluation proposed herein reflects such properties of persons indoors. It controls heating / air conditioning devices installed in the test bed with the same size as a real life room to get quantitative and visual performances in our daily life as well as simple temperature information. 3) To verify validity of daily life based evaluation, I conducted different evaluation sessions with and without a blind and also based on ages of persons indoors. Results based on properties of persons showed difference of 77.6%, leading to effective analysis of energy consumption pattern by heating / air conditioning devices. This research takes significance in that it comes with a new performance evaluation method based on real life, and I gather that further studies are required to develop more multilateral performance evaluation in order to verify and improve technology for reduction of energy consumption.