• Title/Summary/Keyword: 개발주의

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3D Visual Attention Model and its Application to No-reference Stereoscopic Video Quality Assessment (3차원 시각 주의 모델과 이를 이용한 무참조 스테레오스코픽 비디오 화질 측정 방법)

  • Kim, Donghyun;Sohn, Kwanghoon
    • Journal of the Institute of Electronics and Information Engineers
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    • v.51 no.4
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    • pp.110-122
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    • 2014
  • As multimedia technologies develop, three-dimensional (3D) technologies are attracting increasing attention from researchers. In particular, video quality assessment (VQA) has become a critical issue in stereoscopic image/video processing applications. Furthermore, a human visual system (HVS) could play an important role in the measurement of stereoscopic video quality, yet existing VQA methods have done little to develop a HVS for stereoscopic video. We seek to amend this by proposing a 3D visual attention (3DVA) model which simulates the HVS for stereoscopic video by combining multiple perceptual stimuli such as depth, motion, color, intensity, and orientation contrast. We utilize this 3DVA model for pooling on significant regions of very poor video quality, and we propose no-reference (NR) stereoscopic VQA (SVQA) method. We validated the proposed SVQA method using subjective test scores from our results and those reported by others. Our approach yields high correlation with the measured mean opinion score (MOS) as well as consistent performance in asymmetric coding conditions. Additionally, the 3DVA model is used to extract information for the region-of-interest (ROI). Subjective evaluations of the extracted ROI indicate that the 3DVA-based ROI extraction outperforms the other compared extraction methods using spatial or/and temporal terms.

Manufacture and Physiological Functionality of Korean Traditional Alcoholic Beverage by Using Lily (Lilium lancifolium) Scales (참나리(Lilium lancifolium) 구근을 이용한 민속발효주의 제조 및 생리활성)

  • Lee, Ka-Soon;Kim, Gwan-Hou;Kim, Hyun-Ho;Lee, Chan-Gu;Lee, Ji-Yong;Lee, Hee-Duck;Oh, Man-Jin
    • Journal of the Korean Society of Food Science and Nutrition
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    • v.37 no.5
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    • pp.598-604
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    • 2008
  • This study was carried out to develop a new traditional alcoholic beverage by using lily scale in order to utilize lily scale as a new matter for nutritious foods. The condition of alcohol fermentation was investigated by the addition of 2.5, 5.0, 7.5, 10.0, 12.5 and 15.0% dried lily scale and 10, 20, 30, 40 and 50% raw lily scale into mash, respectively. The maximum amount of ethanol was produced when 15% dried lily scale and 20% raw lily scale were added to cooked rice at $25^{\circ}C$ for 10 days. In overall acceptability of sensory evaluation, the LSD-5 alcoholic beverage (added 5% dried lily scale into mash) and LSR-20 alcoholic beverage (added 20% raw lily scale into mash) showed the best acceptability. Physiological functionalities of LSD-5 and LSR-20 alcoholic beverage were investigated. Electron donating ability by DPPH solution ($16.5{\sim}23.2%$), SOD-like activity ($20.4{\sim}24.7%$), ACE inhibitory activity ($24.7%{\sim}78.2%$) and tyrosinase inhibitory activity ($57.4{\sim}62.6%$) of LSD-5 and LSR-20 alcoholic beverage were better than the control (non-added liquor). Moreover, acceptability and physiological functionalities of LSD-5 alcoholic beverage are better than LSR-20.

Browning and Its Inhibition in Fermentation of Rice-grape Wine (쌀.포도 혼합 발효주의 갈변특성 및 갈변저해방법)

  • Koo, Ha-Na;Yook, Cheol;Kim, Jae-Sik
    • Korean Journal of Food Science and Technology
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    • v.38 no.4
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    • pp.554-561
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    • 2006
  • The objective of this study was to investigate the effects of browning inhibitors during fermentation and storage of rice-grape wine. Bentonite, polyvinylopolypyrrolidone (PVPP), and potassium metabisulfite were added to rice-grape wine during fermentation and storage in order to find an effective method of inhibiting browning. Total phenolics content, pH, amino acidity, hydroxymethylfurfural content, and absorbance at 420 nm were measured during storage to assess the effects of the different browning substrates. Potassium metabisulfite was the most effective browning inhibitior. Sensory evaluation also showed that rice-grape wine treated with potassium metabisulfite was highly Preferable in terms of color, taste, flavor, and overall quality.

Theories of the state and the state intervention in space economy (國家理論과 空間經濟에의 國家干涉)

  • ;Koh, Taekyung
    • Journal of the Korean Geographical Society
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    • v.29 no.3
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    • pp.281-296
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    • 1994
  • It is generally accepted that there is always a potential for crisis in the capitalist society because of the internal contradiction of capitalism. The contradiction is explicitly and implicitly expressed in space. The fundamental contradiction in capitalism, however, is controlled and mediated by the state (i.e., the capitalist state). We thus could argue that the state plays an important role in the capitalist society and in the capitalist spatial formation. It is necessary to note how and why spatial structure has developed unevenly in capitalist societies, particularly in the U.S., The general concept of uneven geographical development is understood in the context of the capitalist economic system and the role of the state. But the problem is that the capitalist state itself has a contradiction between the productive function (i.e., accumulation function) and the reproductive function (i.e., legitimation function). The compromise of the two functions is always the dilemma of the state and the state becomes the object of class struggle (e.g., political class struggle) . The research questions are as follows. First, what is the role of the state in the economic structure and what is the internal problem of the state\ulcorner Second, what is the role of the state in space economy (or in spatial structure)\ulcorner And last, what is the relation between the federal state and the local state in the U.S. and how does the relation form the urban policies and thus the urban and regional development\ulcorner The paper will be looking at how the political economy in the U.S. explains unevenly developed geographical phenomenon.

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The Effect of Female Employment and Prejudice against Women on Justification of Family Violence: A Multi-Level Analysis (여성취업률과 여성에 대한 편견이 가정폭력 정당화에 미치는 영향: 개인과 국가 수준의 위계선형 분석)

  • Jang, Cho-Rok;Hong, Myeong-Gi;Hwang, Eui-Gab
    • Korean Security Journal
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    • no.52
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    • pp.11-40
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    • 2017
  • This study analyzed individual-level and country-level factors affecting justification of domestic violence amid emerging social significance of family violence. For individual-level variables, prejudice against women in economic and social roles were used from the World Value Survey data. As for country-level variables, total of 36 countries were analyzed with indices that represents gender equality such as women's employment rate and democracy index. Women's employment rate was gathered from the Labour Market Database of the World Bank and democracy index was from the Economist Intelligence Unit. Results showed that both individual-level, prejudice against women in economic and social roles and country-level variables such as women's employment rate and democracy index had significant effects on justification of domestic violence. This result implies the importance of creating positive social culture which promotes positive attitudes towards perceptions of gender role and gender equality. As well, country-level endeavors to raise gender equality in employment deem important. Based on these findings, policy implications and recommendations for future research were discussed.

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Analysis for SEM of ARCS Factor and Persistent Learning-Intension in Educational Mobile App (교육용 모바일 앱의 ARCS 요인과 학습지속의도에 관한 구조모형 분석)

  • Choi, Byongsu;Yoo, Sang-Mi
    • The Journal of the Institute of Internet, Broadcasting and Communication
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    • v.13 no.4
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    • pp.239-247
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    • 2013
  • This study is aimed to perform the qualitative evaluation based on the ARCS Model of educational mobile applications for smart phones. The evaluation has been performed targeting 60 students who attending the subject of informational education in 3 different universities in 2012 by allowing them to select the available educational mobile App installed in their smart phone. After, the level of persistent learning-intension from each student and the efficacy of ARCS motivational strategy was measured at learner's perspective. The structural equation model(SEM) was established and analyzed with PLS method to understand the relationship between the ARCS motivational strategy and the persistent learning-intension. The results of the study could be summarized as followings. First, the educational mobile App in various the motivational strategies showed different results that is the highest attention as well as the lowest satisfactory level. Second, the relevance in motivation strategies had the statistically significant effect in attention, confidence, and satisfaction. On the other hand, the other factors of attention, relevance, and confidence showed statistically significant effect in satisfaction. Finally, result demonstrate that the relevance is the critical factor inducing the significant effect in persistent learning-intension among the motivational strategies.

Characterization of Protoplast Fusant between Killer Yeast and Alcohol-Fermenting Yeast (Killer 효모와 알콜 발효효모간의 원형질체 융합주의 특성)

  • 정기택;방광웅;김재근;송형익;정용진
    • Korean Journal of Microbiology
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    • v.28 no.1
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    • pp.55-64
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    • 1990
  • Cell volume and DNA contents of the fusants were similar to those of parents. Genetic stability of the fusants was increased when they were cultured on minimal medium (MM) rather than on complete medium (CM), and the fusants were stabilized by subculturing 7 generations each 7 day on MM agar. The finally selected fusants after being cultured for 6 months on CM were stable without segregation. The fusants could also form nuclein and ascospores, and show red and pink colors by the test of TTC colorization. Assimilability and fermentability of carbon sources of the fusants were similarto those of parents. The tolerance of KCl, NaCl, sodium propionate and cycloheximide showed the traits of one strain of parents. When the fusants were cultured for 72 hr and 60 hr in the medium containing 20% glucose and sucrose, respectively, the yield of ethanol for FWKS 260 was reached to 9.6 v/v% and 9.8v/v%, respectively. The sensitive strain Kyokai 7 was found to be killed entirely after cultivation of 48 hr by the killer toxin from the fusants. The recipient S 29 and Kyokai 7 were found to have neither L nor M dsRNA plasmid. However, K 52 and fusants had both L and M dsRNA plasmid of 4.7 kb and 2.5 kb, respectively. The curants treated by heat and cycloheximide did not contain M dsRNA plasmid, but had large amounts of L dsRNA plasmid of those of killer yeasts.

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Mental Health of Adolescents in a Community (일 지역사회 청소년의 정신건강 실태)

  • Kim, In-Hong
    • Journal of agricultural medicine and community health
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    • v.34 no.2
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    • pp.234-243
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    • 2009
  • Objectives: The aim of this study was to establish the basic data for adolescents' mental health states in a community. Methods: 466 middle school and high school students were analyzed by visit-survey with an organized questionnaire from March to June 2008. K-YSR for measurement of mental health was used. Results: The score of total behavior (p<0.01), anxious/depressed (p<0.05), though problems (p<0.001), attention problems (p<0.001), aggressive behavior (p<0.01) and internalizing problems (p<0.05) in girls appeared significantly higher as compare to those the boys. Also, total competence (p<0.05) in high school students appeared significantly lower as compare to those middle school students. Withdrawn (p<0.01) in high school students appeared significantly higher as compare to those middle school students. The though problems (p<0.001) and aggressive behavior (p<0.05) in middle school students appeared significantly higher as compare to those high school students. The distribution of clinical group was school 93.8%, total competence 32.6%, attention problems 8.8%, total behavior problems 8.6%, anxious/depressed 7.7%, aggressive behavior 6.4% et. al. The social (p<0.05), anxious/depressed (p<0.05), attention problems (p<0.01), internalizing problems (p<0.05) and externalizing problems (p<0.05) in girls of clinical group were more frequent significantly as compared to those the boys of clinical group. Also, the social (p<0.01) in middle school students of clinical group was more frequent significantly as compared to those the high school students of clinical group. Conclusions: This study result will be significant in that it can provide basic data for the school mental health services.

A Study of Optimal Conditions in Distillation for Production of Schisandra Chinensis Fruit Spirits (오미자 과실 증류주의 제조를 위한 증류 최적조건 연구)

  • Cho, Hye-Seom;Cheong, Chul
    • Journal of the Korea Academia-Industrial cooperation Society
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    • v.16 no.9
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    • pp.6142-6151
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    • 2015
  • This study is conducted to develop and optimize fruit spirits by using Schizandra chinensis fruit which are rarely used as spirits in the world. For this purpose, the raw material, main compounds of fermented mash and, quality characteristics of distilled liquor prepared with different distillation methods were analyzed. The studt period lasted six months and the results were follows. Schizandra chinensis was not suitable for alcohol fermentation because the sugar concentration and acidity were low. Therefore, the fermentation condition was appropriate to mix with the weight ratio of fresh Schizandra chinensis fruit, water and sugar as 1:1.5:0.25, and was fermented the mix by adding 0.06 w/w% of $(NH_4)_2HPO_4$ compared to the must total weight. It was also examined to analyze product characteristics of fruit spirits prepared with different methods of distillation(column-pot still, pot still, vacuum still). The result showed that fruit spirits made by vacuum still with fresh Schizandra chinensis fruit indicated the best product quality while the distillation of column-pot still showed the best yield.

A Study on the Visual Attention of Popular Animation Characters Utilizing Eye Tracking (아이트래킹을 활용한 인기 애니메이션 캐릭터의 시각적 주의에 관한 연구)

  • Hwang, Mi-Kyung;Kwon, Mahn-Woo;Park, Min-Hee;Yin, Shuo-Han
    • The Journal of the Korea Contents Association
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    • v.19 no.6
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    • pp.214-221
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    • 2019
  • Visual perception information acquired through human eyes contains much information on how to view visual stimuli using eye tracking technology, it is possible to acquire and analyze consumer visual information as quantitative data. These measurements can be used to measure emotions that customers feel unconsciously, and they can be directly collected by numerically quantifying the character's search response through eye tracking. In this study, we traced the character's area of interest (AOI) and found that the average of fixation duration, count, average of visit duration, count, and finally the time to first fixation was analyzed. As a result of analysis, it was found that there were many cognitive processing processes on the face than the character's body, and the visual attention was high. The visual attention of attraction factor has also been able to verify that attraction is being presented as an important factor in determining preferences for characters. Based on the results of this study, further studies of more characters will be conducted and quantitative interpretation methods can be used as basic data for character development and factors to be considered in determining character design.