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        검색결과 650

        461.
        2018.02 KCI 등재 서비스 종료(열람 제한)
        The talking head (TH) indicates an utterance face animation generated based on text and voice input. In this paper, we propose the generation method of TH with facial expression and intonation by speech input only. The problem of generating TH from speech can be regarded as a regression problem from the acoustic feature sequence to the facial code sequence which is a low dimensional vector representation that can efficiently encode and decode a face image. This regression was modeled by bidirectional RNN and trained by using SAVEE database of the front utterance face animation database as training data. The proposed method is able to generate TH with facial expression and intonation TH by using acoustic features such as MFCC, dynamic elements of MFCC, energy, and F0. According to the experiments, the configuration of the BLSTM layer of the first and second layers of bidirectional RNN was able to predict the face code best. For the evaluation, a questionnaire survey was conducted for 62 persons who watched TH animations, generated by the proposed method and the previous method. As a result, 77% of the respondents answered that the proposed method generated TH, which matches well with the speech.
        466.
        2017.06 KCI 등재 서비스 종료(열람 제한)
        본 논문은 음악의 감성을 시각화하는 새로운 방법을 제안하는 논문으로 시각화를 위하여 감성 LED조명 제어 시스템을 고안하였으며 이 시스템은 청중들의 음악 경험을 더욱 풍요롭게 하기 위함에 목적이 있다. 이 시스템은 기존 연구의 음악 감성 분석 알고리즘을 이용하였는데 하나의 음악에서 하나의 감성을 추출하는 기존 연구의 한계를 보완하고자 음악의 1초당 세그먼트에서 감 성을 추출 하여 감성 변화를 감지하는 방법을 연구하였다. 또한 LED조명의 감성 컬러는 IRI컬러 모델과 Thayer의 감성 모델을 기초로 새로운 감성 컬러 36가지를 정의 하여 각 감성에 맞는 색 으로 연출 할 수 있도록 구성하고 애니메이션과 더불어 감성 LED 조명으로 표현 할 수 있도록 하였다. 이 시스템의 검증을 위한 실험 결과, 듣는이의 감성과 감성 LED 조명 시스템의 감성 일 치율이 60% 이상으로 향후 음악 감성 기반 서비스의 중요한 밑거름이 될 것으로 보인다.
        467.
        2017.03 KCI 등재 서비스 종료(열람 제한)
        This study suggests a plan to expand the rural experience program linked to natural disaster through the case analysis of the village of Garisan-ri, Inje-gun, Gangwon-do, Republic of Korea. This will help to establish the necessary improving and policies for Re-leap of rural villages in disaster areas and activation of rural experience villages. The local residents have created flood recovery stories, disaster response content, and disaster prevention camp sites, all of which have been hit by serious disaster damage. It has also contributed to the revitalization of the village by providing various experience programs such as disaster response training, crossing rapids, and evacuation experience. This is a way to get rid of the negative perception of disaster and utilize it. The conversion of idea through disaster experience content contributed to the activation of the area. By linking the disaster experience contents to the rural experience program in the future, it can be helpful to avoid the duplication of contents and limit the similar operation method, which is an existing problem of rural experience villages.
        468.
        2017.03 KCI 등재 서비스 종료(열람 제한)
        A new Rehmannia glutinosa cultivar ‘Tokang’ was derived from ‘Jihwang 1’ seedlings by medicinal crop breeding team of National Institute of Horticulture and Herbal Science, RDA in 2009. It has pink flower, dark brown seed coat, light yellow root cortex. The plant type was some rising from the ground. The content of catalpol and extract were higher than the ‘Jihwang 1’(check variety). The content of catalpol was 4.55% and the extract was 71.2%. It showed stronger resistance to root rot compare with the ‘Jihwang 1’. The regional yield trials were conducted at three different locations from 2007 to 2009. The average yield of ‘Tokang’ was 21.1ton/ha, which was 12% more than the ‘Jihwang 1’. This cultivar is adaptable to the whole of Korea except for mountain areas. (Registration No. 4725)
        469.
        2016.12 KCI 등재 서비스 종료(열람 제한)
        This study was investigated to develop mass evaluation system for the contents of crude protein, oil and fatty acid in soybean germplasm using NIRS. NIRS equations were created with 345 soybeans, multiple correlation coefficients of crude protein, oil, palmitic, stearic, oleic, linoleic and linolenic acid between data obtained from NIRS and quantitative analysis were 0.983, 0.969, 0.592, 0.514, 0.978, 0.961 and 0.957, respectively. Equation statistics indicated that contents of crude protein, oil and unsaturated fatty acid except palmitic and stearic acid in soybean seed were suitable for determination by NIRS. Those NIRS equations were applied to examine crude protein, oil and unsaturated fatty acid of 854 soybean landraces from Korea. The average contents and ranges of crude protein and oil were 39.2% with a range of 33.7-47.0% and 15.0% with a range of 9.8-20.3%, individually. In addition, those of oleic, linoleic and linolenic acid were 21.4% with a range of 12.1-30.2%, 55.6% with a 47.8-62.3% and 8.1% with a range of 5.9-10.7% respectively. We conducted quantitative analysis to reconfirm with IT154552 (45.1%) and IT023955(46.9%) above 45% of crude protein, the results were similar from NIRS (45.2%, 47.0%). NIRS data for protein from this study made no difference with lab data, which would be useful for mass evaluation. There was negative correlation (-0.203) between crude protein and oil, positive correlation (0.379) between crude oil and oleic acid, and significantly negative correlation (-0.879) between oleic and linoleic acid.
        470.
        2016.12 서비스 종료(열람 제한)
        Demand for the development of non-antibiotic growth promoters (AGP) in animal production surged in recent years. However, elucidating the specific mechanisms and action of prebiotics, probiotics, and synbiotics as non-AGP in animals is still in progress. This work investigated and compared faecal microbiotas of weaned piglets under the administration of a basal diet (CON) and with prebiotic lactulose (LAC), probiotic Enterococcus faecium NCIMB 11181 (PRO), or their synbiotic combination (SYN). Although prebiotics and/or probiotics in the diet significantly increased alpha-diversity compared with CON values, no differences were detected in richness and diversity values among the treatment groups (LAC, PRO, and SYN). At phylum level, the Firmicutes to Bacteroidetes ratio increased in the treatment groups in comparison to the CON group, and the lowest abundance of Proteobacteria was found in LAC group. At family level, Enterobacteriaceae decreased in all treatments, especially more than 10-fold reduction in LAC group compared with CON group. At genus level, the highest abundance of Oscillibacter was detected in PRO group, the highest Clostridium in LAC group, and the highest Lactobacillus in SYN group; the abundance of Escherichia was lowest in LAC group. Clustering in the DAPC plots illustrated distinct separation of the feeding groups (CON, LAC, PRO, and SYN) from one another, showing that microbial communities had different compositions according to different feed additives. Effects of LAC and PRO treatments on the faecal microbiota suggest independent mechanisms; nonetheless, the impact of SYN might also be distinct from that when each are administered singly as LAC or PRO.
        471.
        2016.11 KCI 등재 서비스 종료(열람 제한)
        해상교량의 선박충돌 문제는 기본적으로 선박의 충격력에 의한 부가 하중의 빈도를 추정하는 것이므로 특정한 수용 기준을 만족하 도록 설계하는 것도 중요하지만 공용기간동안 이러한 충돌 위험의 증가분을 어떻게 유지관리 해야 하는지도 매우 중요하다. 본 논문에서는 인 천대교를 대상으로 선박충돌 문제에 대한 중간점검을 위하여 관련 계획, 주경간장, 형하고 및 충돌 위험도를 검토하였다. 특히, 충돌 위험의 증 가분에 대하여 근시적인 해결방안으로 관련 연구결과 및 운항관련 지침 등을 검토하여 최적화된 운항 속도를 8노트로 제시하였으며, 근본적인 해결방안으로 설계 단계에서 대상선박 및 통행량의 합리적인 예측을 위한 기본 절차를 수립하고 예측의 불확실성을 수용할 수 있는 확률론적 예측 기법을 제안하였다. 향후 선박충돌 관련 유지관리에 대한 추가적인 연구와 공용중인 다른 해상교량의 즉각적인 중간점검이 필요할 것으 로 판단된다.
        472.
        2016.11 서비스 종료(열람 제한)
        Elemental mercury has a very high volatility allowing easy dissipation from water or soil into air. To better understand how the kinetics of diffusion of elemental mercury through a medium, which is soil in this study, a mercury diffusion column experiment was done. The correlation between temperature and equilibrium concentrations of mercury in standardized soil samples and a pure mercury standard were determined. Total mercury concentrations were analysed using CVAFS. The effect of time and soil depth to the kinetics of mercury diffusion were determined. Differences in mercury concentrations at different sampling probes were observed during the first few gas phase analyses. Equilibrium was reached through the column after 72 hours.
        473.
        2016.10 서비스 종료(열람 제한)
        The probabilistic prediction method and procedure of ships traffic for reasonably considering the enlargement of ships and increase in the large vessels of the vessel were established in this paper. However the problem related on prediction method, confidence intervals and selecting the target tonnage considering the enlargement of ship for prediction of ships is lack of results such as design example and study case. Therefore it requires various methodological study.
        474.
        2016.09 KCI 등재 서비스 종료(열람 제한)
        본 연구는 지금까지 한국의 다문화교육의 경계 내에서 소수집단의 평등을 위해서 ‘인종’ 및 ‘반(反)차별’ 담론이 실천적인 수준에서 제대로 논의되고 있는가를 반성하며 다문화교육 의 새로운 방향을 고찰하였다. 이론적 논의에서 인종 및 반차별 담론을 반영한 다문화교육 의 핵심 개념을 인종차별 공론화, 소수자 주체화, 평등제고 그리고 기관과 제도개혁이라는 네 가지 준거로 도출하였고, 구체적으로 영국 레스터 시의 지역사회 평생교육에서 이것이 어떻게 드러나는지를 분석하였다. 연구의 결과, 레스터 시는 이주민과 정주민을 대상으로 이주민 차별 개선과 권한 배분을 위한 평생교육 프로그램을 실천하고 있으며, 소수자의 평 등 제고를 위한 다문화 친화적 문화를 형성하고 있었다. 이 연구는 다문화사회의 정착이 일상 생활세계가 펼쳐지는 지역사회에서 이루어진다는 점에 기초하여 앞으로 다문화교육이 개별 문화 간 이해를 넘어서 이주민에 대한 인종 불평등을 해소하고 동시에 정주민들의 다 문화 인식개선을 위해서 지속적으로 전개되어야 할 평생학습이라는 점을 논증하였다.
        476.
        2016.07 KCI 등재 서비스 종료(열람 제한)
        이 연구는 우리나라 과학교사를 파견하고 있는 인도네시아의 과학과 생물교육을 이해하기 위하여 기획되었다. 연구자 참여관찰형식의 질적연구방법론을 사용하여 인도네시아의 과학교육 을 심층적으로 분석하였다. 연구 결과, 인도네시아는 국가 수준에서 교육과정을 개발하고 연구 하고 있으며, 과학교육에 관심이 높다. 과학교육에 대한 높은 관심과 달리, 인성과 종교성을 높 이는 과학수업에 더 높은 관심이 있다. 두 번째로, 인도네시아의 과학을 포함한 모든 교육의 근간은 종교이다. 논쟁을 통한 갈등보다는 과학적 사실이 일부 왜곡되더라도 조화로운 방법으 로 이해하는 방법을 택함으로써 자신의 삶에서 가장 궁극적 목적인 종교와 조화시킨다. 셋째 로, 우리나라와 인도네시아의 생태적 환경은 전혀 다르기 때문에 우리나라의 생물교육에서 중 요하게 강조되는 내용들과 차이가 있다. 넷째로, 인도네시아는 과학교육을 포함한 모든 교육에 서 다문화를 최고의 가치로 여기고 있다. 때문에 지역에 따라 사용하는 언어가 다르며, 용어를 통하여 개념을 이해하는 과학교육에서 용어의 차이로 인한 공약불가능한 상황도 있을 것으로 판단된다. 다섯 번째로, 인도네시아에서 과학교사의 전문성은 낮고 관습적으로 행해지던 학습 방법을 그대로 활용하여 교육함으로써 빠르게 변화하고 있는 과학교육의 변화에 뒤쳐지고 있 다. 마지막으로 인도네시아에서는 가설·연역적 실험실교육보다 관찰과 분류 중심의 귀납적 탐 구활동이 일반적이다. 연구 결과들을 토대로 인도네시아에 파견되는 과학교사들을 위한 교사교 육을 제언한다.
        477.
        2016.06 KCI 등재 서비스 종료(열람 제한)
        The mechanism of micro-bubble generation with a pump is not clarified yet, so the design of water treatment systems with a micro-bubble generating pump is based on trial and error methods. This study tried to explain clearly quantitative relationships of experimental micro-bubble concentration (Cair) of continuous operation tests with a micro-bubble generating pump and theoretical air solubility. Operation parameters for the tests were discharge pressure (Pg), water (Qw0) and air (q0) flow rates, orifice diameter (DO), and retention time (t). The experimental micro-bubble concentrations (Cair) at 4.8 atm of discharge pressure (Pg) were in the range of 21.04 to 25.29 mL/L. When the retention time (t) by changing the pipe line length (LP) increased from 1.22 to 6.77s, the experimental micro-bubble concentrations (Cair) increased from 25.86 to 30.78 mL air/L water linearly. The dissolved and dispersed micro-bubble concentrations (Cair) are approximately 4 times more than the theoretical air solubility.
        478.
        2016.04 서비스 종료(열람 제한)
        Damage by ship collision is related to the frequency of loads due to impact, and ships accordingly must be designed to satisfy related requirements. Another important aspect is the management of collision risks during the service period. This study performed an interim assessment of Incheon Bridge focusing on the risk of ship collision, and proposed solutions to the identified problems. It is necessary to conduct further research on collision risk management and promptly carry out interim assessments of other marine bridges.
        479.
        2015.10 KCI 등재 서비스 종료(열람 제한)
        Garlic (Allium sativum L.) has been used as both food and medicine in many cultures for thousands of years. Garlic cultivars are completely sterile and propagated through vegetative method. Collection of a large number of fertile accessions of these genus is needed to explore genetic variability. In order to investigate genetic variation among Allium species and its possibilities for direct cultivation in Korea, we characterized 12 accessions of A. longicuspis, flowering wild garlic which had collected from Central Asia, the main center of garlic diversity. Most of A. longicuspis accessions showed higher over-wintering and bolting rate, longer scape length and more number of bulbils than Korean landraces cultivar, Danyang and Euiseong, but A. longicuspis accessions exhibited smaller size of bulbs and bulbils. Most accessions of A. longicuspis had more number of cloves per bulb, except K229596 and K248824 than Korean landraces. All the accessions of A. longicuspis from Central Asia had complete bolters having many flowers and topsets in umbel. Further studies of A. longicuspis should focus on securing true seeds through removal of topsets and crosses among accessions to create the genetic variability.
        480.
        2015.10 서비스 종료(열람 제한)
        Based on the study of rapid construction method for concrete tower for offshore wind farms, it was found that the precast concrete segment was effective to achieve short term construction on bad weather condition. Also 20m length of segment was selected for tower installation to use same crane carrying nacelle.