Journal of the Korean Society of Surveying, Geodesy, Photogrammetry and Cartography
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v.30
no.2
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pp.143-152
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2012
It is well-known that image matching is necessary for automatic generation of 3D data such as digital surface data from aerial images. Recently developed aerial digital cameras allow to capture multi-strip images with higher overlaps and less occluded areas than conventional analogue cameras and that much of researches on multi-image matching have been performed, particularly effective methods of measuring a similarity among multi-images using point features as well as linear features. This research aims to investigate similarity measuring methods such as SSD and SNCC incorporated into a area based multi-image matching method based on vertical line locus. In doing this, different similarity measuring entities such as grey value, grey value gradient, and average of grey value and its gradient are implemented and analyzed. Further, both dynamic and pre-fixed adaptive-window size are tested and analyzed in their behaviors in measuring similarity among multi-images. The aerial images used in the experiments were taken by a DMC aerial frame camera in three strips. The over-lap and side-lap are about 80% and 60%, respectively. In the experiment, it was found that the SNCC as similarity measuring method, the average of grey value and its gradient as similarity measuring entity, and dynamic adaptive-window size can be best fit to measuring area-based similarity in area based multi-image matching method based on vertical line locus.
The purpose of this study is to investigate the social distance that physical therapists in rehabilitation clinics have for the person with disability. The subjects were 146 physical therapists at 8 sites in kyunggi provinces, investigated the social distance of the subjects by gender, age, religion, working years, circumstantial disorder. The results of this study were as follows. First, as for the social distance of the person with disability, the physical therapists showed relatively intimate perceived by the social distance and the sub-factors, physical distance and interpersonal distance. Second, they showed close social distance to the disabled when they had sex, age, working years, and showed close interpersonal distance to the disabled when they had male. Third, the subjects with disabled friends showed close physical and social distance to the disabilities. Finally, There was a significant correlation between the age of the physical therapist and the social distance to the disabled, there was a negative correlation between the number of years of work and the age, sex. Based on these results, interactions with disabled person affect the positive cognition toward disabilities. In addition, It is necessary to educate the therapist to change the attitudes and behaviors of the disabled person positively through improvement of the cognition of the disabled and direct experience with the disabled from the beginning of the clinic.
Our country has made every efforts to develop Real Estate Transaction culture with emphasis on Licensed Realtors by introducing Real Estate Transaction Law in 1983. Also, MOLIT(Ministry of Land, Infrastructure and Transport) designated several organizations including KAR(Korea Association of Realtors) as Real Estate Transaction Information Network Licensees for data credibility enhancement and transaction transparency. Nevertheless, the level of law abiding spirit and transaction culture are still similar to those of the old 'Bokdeokbang' era. The under-developed transaction behaviors prevent the social capital of people's credibility on Licensed Realtors from advancing, and results in the outcomes of unnecessary social cost. That is, very low credibility on the data on Sales Items in the market and the fear of speculative real estate price uprise and market distortions are continuing on. In this context, the purpose of this study is to propose the model of GIS-based Modernized Real Estate Transaction System and its execution policies to support credible Real Estate Information to the general public for efficient transactions in the market. Accordingly, the study aims at contributing to the modernization of Real Estate Transactions, fostering competitiveness of Realtors in the Real Estate Market.
Journal of Korean Home Economics Education Association
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v.31
no.3
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pp.57-71
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2019
This study intended to analyze the ethical clothing consumption behavior of female adolescents and use it as a basic data for education. Specifically, the female adolescents were classified according to their shopping orientation and then the differences among these groups were examined in terms of their ethical consumption behavior of clothing products, i.e., buying, using and disposing. As a result, three groups were identified: pleasure-seeking, intermediate, independence pursuing according to the shopping orientation sub-factors (loyal, enjoyment, impulsive, imitative and independent). The pleasure-seeking group were more likely to conduct ethical use behavior of clothing products, while the independence-pursuing group conducted more ethical buying and ethical disposing behavior. The lower their desire to enjoy shopping itself, the more cautious they are about their own decisions, and the more confident they about buying from the brand and store they liked, the more likely they were to conduct ethical buying behavior of clothing products. On the other hand, when the emotional and desire-seeking tendencies are combined with independent shopping tendencies, the more likely they conduct ethical use behaviors. In addition, the more they make independent purchasing decisions, the more likely they are to conduct ethical disposal behaivors. The results of this study suggest that providing detailed consumer education that considers individual differences in shopping orientation is needed.
Kim, Sun Jung;Kim, Dong Jun;Gim, Eun Na;Yu, Tae Gyu
Korea Journal of Hospital Management
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v.25
no.3
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pp.67-77
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2020
Background: As of 2016, average Koreans sleep 7 hours and 42 minutes, the lowest figure among Organization for Economic Cooperation and Development(OECD) countries, and the number of people with sleep disorders reached 561,000. Accordingly, the government has promoted the provision of 'Multiple Sleep Test' to strengthen the diagnosis service for patients with 'sleep disorder' in july 2018. As a result, healthcare costs for patients with sleep disorder is on the rise every year. In this study, we utilized 'Appropriate Sleep' criteria of United States's National Sleep Foundation(NSF) then investigated Korean's sleep pertinence using 「7th National Health and Nutrition Survey for 2016-2018」 by different occupational type, demographic characteristics, socio-economic characteristics, and health behaviors. Methods: We performed descriptive analysis to examine differences of sleep appropriateness by various sample characteristics. Multivariate logistic regression models were used to examine sleep appropriateness by occupational type and other variables. We also analyzed subgroup models to investigate. Results: As a result, a total of 1,948 (18.37%) study subjects experienced in-appropriate sleep. Results of the Multivariate logistic regression analysis revealed that blue color group had a higher odds ratio (OR) for experiencing in-appropriate sleep (OR=1.179). In addition, the odds ratio of experienced in-appropriate sleep among the elderly aged 70 and over was 2.698, and the odds ratio of the overstressed group was 1.299. Furthermore, sub-group analysis showed that blue color job of female(Or=1.334), high school or below(OR=1.404), divorce/death/separation(OR=2.039), 25%ile-50%lie income group(OR=1.411) more likely experienced in-appropriate sleep. Conclusion: Growing sleep disorder patients and related health care costs are expected. Government should apply detailed 'total periodic sleep disorder management policy' including pre-consultation, examination, diagnosis, treatment, post-consultation, self-management especially to vulnerable population that this study found.
Sun Haing Lee;Tae Sub Oh;Hong Yeup An;Kyung Sug Park;Sang Oh OH
Journal of the Korean Chemical Society
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v.36
no.6
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pp.879-888
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1992
Separation of the optical isomers of free amino acids by a reversed phase high performance liquid chromatography has been studied by adding a copper(II) complex of L-proline or L-proline derivatives (hydroxy-L-proline, N-benzyl-L-proline, p-xylenyl-L-proline, p-xylenyl-hydroxy-L-proline) in the mobile phase. An OPA postcolumn detection system was used for the detection of amino acids. The chromatographic properties for the free amino acids were discussed in terms of the pH, the kinds and concentration of chelate or organic modifier. The retention behaviors of the free amino acids were considerably different from, those of DNS-amino acids or DABS-amino acids. The enantioselectivity of the free amino acids was better than that of derivatized amino acids. The enantioselectivity between the optical isomers observed by use of the Cu(II)-p-xylenyl-L-proline chiral cheleate was the best among the several copper(II) chelate. A separation mechanism could be illustrated not only by the hydrophobic interaction of the diastereomer with stationary phase but also by the steric effect of the ligand exchange reaction between the free-amino acids and copper chelate.
The Journal of the Convergence on Culture Technology
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v.6
no.4
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pp.171-177
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2020
This study investigates e-service quality of online travel agency and influence on relationship quality and Reuse. The individual Chinese tourists with experiences using online travel agencies were chosen for the study. The survey was carried out at Jeju International Airport, which is the most frequently used by Chinese tourists visiting Korea. Data were collected for 7 days from July 15, 2019 to July 21, 2019. A total of 320 tourists were attended in this research and finally 300 samples were used for empirical analysis. The result of the study showed that e-service quality of online travel agencies all factors(convenience, individuality, accuracy and price attractiveness) influences on relationship quality all factors(satisfaction, trust) and the factor 'accuracy' was analyzed as the biggest among them. Moreover satisfaction and trust factors of all sub-factors of relationship quality influences on reuse. In the future, we intend to provide basic marketing data for Chinese tourists using online travel agencies to officials and practitioners. Particularly, focusing on the tourism behaviors of individual Chinese tourists, we are going to propose effective business cooperation plans and strategic alternatives with online travel agencies.
The purpose of this research is to examine how emotional intelligence has a moderating effect on the relationship between emotional dissonance and job burnout and to investigate a mediating relationship between emotional dissonance and turnover intention through job burnout. To test the hypotheses, moderation analysis, mediation analysis and moderated mediation analysis were performed. Of the 300 self-report questionnaires distributed to hotel employees, 233 usable responses were received and utilized in the final analyses. The results show that emotional dissonance significantly affected job burnout, and job burnout completely mediated the effect of emotional dissonance on turnover intention. Additionally, emotional intelligence moderated the relationship between emotional dissonance and job burnout, suggesting that the emotional dissonance-job burnout relationship was stronger in the low emotional intelligence group than in the high emotional intelligence group. Particularly, emotional intelligence moderated the mediating relationship between emotional dissonance and life style intention via job burnout(moderated mediation effect), indicating that the mediation effect was stronger in the low emotional intelligence group. Therefore, hotel managers should efficiently implement strategies and programs to reduce emotional dissonance and job burnout and enhance emotional intelligence, which lead to lower turnover intention.
Effects of interlayer and the combination of different coating methods on the mechanical and corrosion behaviors of TiN and CrN coated on 420 stainless steel have been studied. STS 420 specimen were tempered at $300^{\circ}C$ for 1 hr in vacuum furnace. The TiN and CrN thin film with 2 ${\mu}m$ thickness were coated by arc ion plating and DC magnetron sputtering following the formation of interlayer for pure titanium and chromium with 0.2 ${\mu}m$ thickness. The microstructure and surface analysis of the specimen were conducted by using SEM, XRD and roughness tester. Mechanical properties such as hardness and adhesion also were examined. XRD patterns of TiN thin films showed that preferred TiN (111) orientation was observed. The peaks of CrN (111) and $Cr_2N$ (300) were only observed in CrN thin films deposited by arc ion plating. Both TiN and CrN deposited by arc ion plating had the higher adhesion and hardness compared to those formed by magnetron sputtering. The specimen of TiN and CrN on which interlayer deposited by magnetron sputtering and thin film deposited by arc ion plating had the highest adhesion with 22.2 N and 19.2 N. respectively. TiN and CrN samples shown the most noble corrosion potentials when the interlayers were deposited by using magnetron sputtering and the metal nitrides were deposited by using arc ion plating. The most noble corrosion potentials of TiN and CrN were found to be approximately -170 and -70 mV, respectively.
Purpose: This study was aimed to identify the difference of the self-efficacy and the health promoting behaviors between obese and normal-weight middle school students. Method: Data were collected from a convenient sample of 360 middle school students (180 normal-weight students and 180 obese students) in Pusan from November 22nd to December 20th. 2000. based on self-report questionnaires. The following instruments were used in the study after being reconstructed by the researcher with the consultation of experts and the literature review: General Self Efficacy Scale(Sherer et al.. 1982). and Health Promoting Lifestyle Profile (Walker. Sechrist & Pender. 1987). The data were analyzed with descriptive statistics, chi-square test. and t-test and Pearson's correlation coefficient. Results: 1. There were significant differences in father's obesity (p=.014) mother's obesity (p= .007), sibling's obesity (p=.00l), and school record (p=.001) between obese and normal-weight students. 2. There were statistically significant differences in the score of self-efficacy between the obese and normal-weight students (p=.0001) 3. There were statistically significant differences in health promoting behavior (p= .000) and in six sub-i terns: personal relationship (p =.000), exercise (p=.001), responsibility for health (p=.003), stress management (p = .015), self-actualization (p =.043) between the obese and normal weight students. 4. There were very statistically significant negative correlations between obesity and the self-efficacy (r=-.19. p<.001), health promoting behavior (r=-.18. p<.001), specifically personal relationship(r=-.20. p<.001), stress management (r=-.12. p<.05), responsibility for health (r=-.15. p<.01), and self-actualization (r=-.14. p<.01). Conclusion: According to the above results it is concluded that self-efficacy and health promoting behavior influence the obesity of middle school students. Therefore I recommend adding programs that can lead to improve self-efficacy and health promoting behavior to the obesity prevention programs for middle school students.
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