• KSII Transactions on Internet and Information Systems (TIIS)
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• v.11 no.12
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• pp.5998-6016
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• 2017

In thin-film transistor liquid-crystal displays (TFT-LCDs), which are most commonly used in mobile devices, the backlight accounts for about 70% of the power consumption. Therefore, most low-power-related studies focus on realizing power savings through backlight dimming. Image compensation is performed to mitigate the visual distortion caused by the backlight dimming. Therefore, popular techniques include pixel compensation for brightness recovery and contrast enhancement, such as histogram equalization. However, existing pixel compensation techniques often have limitations with respect to blur owing to the pixel saturation phenomenon, or because contrast enhancement cannot adequately satisfy the human visual system (HVS). To overcome these, in this study, we propose a novel dimming technique to achieve both power saving and HVS-awareness by combining the pixel compensation and histogram specifications, which convert the original cumulative density function (CDF) by designing and using the desired CDF of an image. Because the process of obtaining the desired CDF is customized to consider image characteristics, histogram specification is found to achieve better HVS-awareness than histogram equalization. For the experiments, we employ the LIVE image database, and we use the structural similarity (SSIM) index to measure the degree of visual satisfaction. The experimental results show that the proposed technique achieves up to 15.9% increase in the SSIM index compared with existing dimming techniques that use pixel compensation and histogram equalization in the case of the same low-power ratio. Further, the results indicate that it achieves improved HVS-awareness and increased power saving concurrently compared with previous techniques.

• Journal of the Society of Disaster Information
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• v.9 no.3
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• pp.276-281
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• 2013

This thesis grasped problems by examining the current status of disaster response system repeated during the disaster according to the changes of social environment and suggested current status of disaster response system and developmental measures through the investigation of the awareness of fire-fighting officer. On disaster site, close cooperation system of disaster safety measure headquarter and urgent rescue controlling association must be formed and range and time of the action must be accurately improved so as not to cause duplication of rights for orders. Also, systematic education and training system must be established so as to strengthen disaster site reaction capability and manpower and equipment for it must be increased. Finally, detailed measures for improving initial reaction capability during the disaster, such as tactic development, reaction plan establishment, etc, are requested.

• Journal of Convergence for Information Technology
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• v.8 no.3
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• pp.39-51
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• 2018

Objectives: The purpose of the study was to identify the factors influencing the nursing students' core competencies on disaster nursing. Methods: A sample of convenience was 224 nursing students, and a questionnaire was used to measure their disaster awareness, disaster preparedness, ego-resiliency, and core competencies on disaster. Results: A significant positive correlation was found among core competencies, disaster awareness, disaster preparedness, and ego-resiliency. Disaster preparedness(${\beta}=.413$), grade of which the participant was in(${\beta}=.165$), satisfaction on clinical practice(${\beta}=-.160$), ego-resiliency(${\beta}=.159$), and disaster related education experience(${\beta}=-.120$) were significant predictive variables of which accounted for 38.5% of the variance in core competencies. Conclusions: The results from this study can be used to develop programs for core competencies on disasters nursing.

• Journal of the Korea Academia-Industrial cooperation Society
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• v.20 no.4
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• pp.100-111
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• 2019

This study was undertaken to recommend a dementia education program for college students, and to understand the outcome on knowledge and attitude towards dementia, awareness of aged support, and cognitive-affective empathy. Totally, 40 college students in C city, K do, were enrolled for the study, and divided into two groups of 20 each: experimental group and control group. The experimental group subjects were provided a 12-hour dementia education program; effectiveness of this program has been verified in later studies. Data were collected from November 5, 2018 to December 7, 2018; collection was before, after, and 4 weeks after the program was provided to the experimental group. Control group data were also collected in the same time frame. Data analysis was done using IBM SPSS WIN/21.0, and the percentage, mean and standard deviation were analyzed using Shapiro-Wilks test, $x^2$-test, Fisher's exact probability test, Independent t-test, Friedman test, Mann-Whitney U and Repeated Measure ANOVA. Knowledge of dementia (F=19.80, p<0.001), attitude toward dementia (z=-4.10, p<0.001), and awareness of aged support (F=6.26, p=0.017) had a significant interaction between group and time; however, cognitive-affective empathy showed no correlation (F=1.32, p<0.256). We therefore suggest strengthening the contents of future education program for dementia, developing a customized program for cognitive-affective empathy by considering subject characteristics, and further research verifying the effectiveness of the program.

• Korean Security Journal
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• no.61
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• pp.235-254
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• 2019

This study identifies a factor structure regarding the criterion of terror awareness by using confirmatory factor analysis. The study provides information whether the criterion fits in the analysis of terror awareness in Korea or not. Data of 176 public officials working at the National Assembly collected in 「Study on the Improvement of Security in the National Assembly Building」(Choi O-Ho and others, 2016) was used in the analysis. Study results showed the fit statistics of 3 questions regarding concern in terror, 5 questions regarding cognition of terror occurrence, 3 questions regarding countermeasure of terror, and 3 questions regarding equipments against terror satisfied the standard. Also, standard regression coefficient exceeded the standard and was shown to be fit. Concern in terror, as a latent variable, was below the standard value of average variance extracted. However, focused validity was secured by obtaining other values fit. This study proceeded distinct validation test to supplement data. The test results showed that the criterion level was fit. Thus, further survey should include questions that are appropriate to measure the awareness of terror based not only on theories and previous studies but also on questions of terror awareness tested in this study. Such development in surveys will support the means of data measurement.

• 재활복지
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• v.22 no.2
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• pp.31-51
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• 2018

This study performed to provide the basic information about the effects of the health management importance awareness on the occupational performance and basic fitness for the people with intellectual disabilities. 16 people with intellectual disabilities participated in muscle strengthening exercise. To assess health management importance awareness, the Canadian Occupational Performance Measure was used to identify the importance of the health management. According to the results of the importance, they were divided into two groups: Extreme and Neutral Importance Group in order to analyze the changes of the occupational performance and basic fitness. In-group analysis of the performance, satisfaction level, strength, and flexibility found that all measures improved in both groups following completion of the program. Between-group analysis following completion of the program indicated group differences in the performance and satisfaction level, but no group differences were found in the muscle strength and flexibility. Thus, this study showed the positive effects from the results of the program participation targeting the people with intellectual disabilities, and highlighted the importance of the awareness for them regarding the need for the health management (as evidenced by the improvement in occupational performance). It is expected that effective health management through participation in programs such as this will help maintain a healthy lifestyle and contribute to improve the quality of life.

• Korean Journal of Cognitive Science
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• v.32 no.3
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• pp.141-167
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• 2021

Authenticity is the opposite of hypocrisy or deceitful living in philosophy. While various positive factors that humans experience in life based on authenticity have been studied abroad, most of the studies in Korea that tried to measure authenticity did not take into account the characteristics of Korean culture or were developed only for the purpose of use in a limited domain or specific purpose. In this study, based on the specificity of Korean culture, we developed a measure of authenticity that researchers can use universally. To this end, the items constituting the existing authenticity scale and the items reflecting the cultural value of Korean society, which value social relationships, are integrated. The results of exploratory factor analysis and confirmatory factor analysis indicated that authenticity consists of three factors: self-awareness, behavioral authenticity, and relationship authenticity. In addition, criterion validity was verified based on correlations with life satisfaction, mindfulness, self-esteem, HEXACO, social desirability, self-regulation focus, and emotional diversity. These results suggest that the authenticity scale of this study is a reliable and valid measure, and is expected to be an important tool for empirical individual differences research on authenticity in everyday life in Korean population.

• The Journal of the Korea Contents Association
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• v.22 no.2
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• pp.370-378
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• 2022

The purpose of this study was to investigate the factors affecting infection control practice by dental hygienist students in Jeju during clinical training amidst the COVID-19 pandemic. Online survey was conducted on 112 students and the results were statistically analyzed with frequency analysis, Student's T-test, one-way ANOVA, and regression analysis using SPSS 20.0. In the 'awareness and practice of infection control by year in college' section, 2nd year students scored significantly higher in 'cleaning and surface disinfection,' 'medical waste disposal,' and 'COVID-19 preventive measure' compared to 3rd year students. In the 'type of training institution' section, hospital setting scored significantly higher in 'cleaning and surface disinfection,' 'instrument disinfection and sterilization,' 'personal and patient protection,' and 'COVID-19 preventive measure' compared to dental clinic setting. In the 'location of institution' section, Seoul metropolitan region scored higher in 'medical waste disposal' compared to Jeju region. According to regression analysis, year in college (2nd year), type of training institution (hospital setting), location of training institution (Seoul metropolitan region), and difficulty using protective gear (no difficulty) were associated with better COVID-19 preventive measure This first study in Jeju provides an insight on the awareness and practice of infection control measures by dental hygienist students in Jeju during clinical training. Further investigation for improvement of clinical training manual is warranted.

• The Journal of Korean Academic Society of Nursing Education
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• v.21 no.3
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• pp.373-381
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• 2015

Purpose: This study was conducted to examine the effects of a multicultural course on nursing students' multicultural acceptability and competency. Method: The research design for this study was a non-equivalent control group, non-synchronized pre- and post-test. The experimental group (n=28) took 13 weeks of the multicultural course, while the control group (n=28) received only regular classes over the same period. Pre- and post-tests were done to identify the effects of the program. The data were collected using self-administered questionnaires and analyzed using the PASW 18.0 program. Results: All indices of multicultural acceptability and competency in the experimental group were significantly higher than that of control group after the program, except for two: universality (a measure of multicultural acceptability) and multicultural awareness (a measure of multicultural competency). Conclusion: These results suggest that the multicultural course was effective in elevating the level of multicultural acceptability and competency among nursing students.

• Journal of the Korea Safety Management & Science
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• v.20 no.1
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• pp.1-9
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• 2018

As the chemical industry becomes more advanced, the awareness of chemical accidents is rising, and legal systems for chemical safety management are strengthened. In this study, quantitative risk assessment of liquid chlorine leak was conducted. Risk assessment was performed in the order of frequency analysis, consequence analysis, and risk calculation. The individual risk was presented in the form of contour lines. The social risk was expressed by the FN curve. The risk of day and night was in an unacceptable area, so it was required to mitigate risk. Therefore in-building, which could trap the pool, was selected as a risk mitigation measure. As a result of the cost benefit analysis, it was concluded that this measure should be reasonably implemented.