• 한국HCI학회:학술대회논문집
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• 2008.02a
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• pp.607-611
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• 2008

This paper proposes new video signature using spatio-temporal information for copy detection. The proposed video copy detection method is based on concentric circle partitioning method for each key frame. Firstly, key frames are extracted from whole video using temporal bilinear interpolation periodically and each frame is partitioned as a shape of concentric circle. For the partitioned sub-regions, 4 feature distributions of average intensity, its difference, symmetric difference and circular difference distributions are obtained by using the relation between the sub-regions. Finally these feature distributions are converted into binary signature by using simple hash function and merged together. For the proposed video signature, the similarity distance is calculated by simple Hamming distance so that its matching speed is very fast. From experiment results, the proposed method shows high detection success ratio of average 97.4% for various modifications. Therefore it is expected that the proposed method can be utilized for video copy detection widely.

• Journal of The Korean Association For Science Education
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• v.24 no.2
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• pp.328-342
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• 2004

This study aims to develop STS modules which consider the local concerns of Korean society and their authentic evaluation instruments. Their titles are as follows: 'Health-Aiding Foods, are they necessary?', 'Competition between Alien and Native Species', 'Living Lesson of Lake Shihwa', and 'Problems of food wastes; Would you like to throw them away, if they are money?' All of them deal with issues unique to Korean local situations. Each module consisted of two versions; a student worksheet and a teachers' guide. Students' activities were categorized into six processes such as group activities, investigation, discussion and presentation, experiments, field trip, and multiple intelligence activities. Various assessment tools and abilities for the decision-making in their STS classes were also included. In order to validate these modules, 24 teachers who have been teaching science, biology and environmental science in the secondary schools reviewed these modules and provided feedbacks about their validity and usefulness. We expect that the various rubrics included in each module will provide teachers creative and flexible assessment methods for students' understandings and their decision-making abilities toward the issues.

• Child Health Nursing Research
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• v.20 no.3
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• pp.176-184
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• 2014

Purpose: The purpose of this study was to investigate pediatric nurse parent partnership and factors associated with this partnership. Methods: A survey was conducted with 158 nurses working in pediatric practice at one of 7 hospitals in Seoul, Incheon, and Chungcheongbuk Province. Data were collected from September to December 2013, and analyzed with SPSS Windows 21.0. Results: In hierarchial multiple regression analysis, self-efficacy (${\beta}$=.19, p=.016), clinical decision making (${\beta}$=.15, p=.046), and empowerment (${\beta}$=.29, p=.001) were associated with pediatric nurse parent partnership, after adjusting for marital status, children, education, position and satisfaction with work unit. These factors accounted for 44.0% of the variance in the pediatric nurse parent relationship. Conclusion: These results suggest that pediatric nurse parent partnership could be influenced by the predictors. Ultimately, intervention programs focusing on these factors should be effective in helping pediatric nurses improve partnership with parents.

• Journal of Dental Rehabilitation and Applied Science
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• v.36 no.1
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• pp.48-54
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• 2020

In the case of crown-root fracture due to traumatic injury in anterior tooth and the fracture margin is located subgingivally, forced eruption has been proposed for the reconstruction of deficient bone and soft tissue. Forced eruption is one of the easiest orthodontic approaches that can have an acceptable outcome and prognosis, and has a low incidence of relapse. However, using heavy forces or very fast movements can also cause tissue damage or ankylosis. The following case reports present forced eruption as treatment option of crown fracture in maxillary anterior teeth.

• Journal of Science and Technology Studies
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• v.9 no.2
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• pp.51-78
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• 2009

Usually, Technological failures have been recognized as a mundane and inevitable process of trial and error for finally achieving success, or pathological technologies clearly different from success. These approaches easily ignore that a failed technology also constructed complex technological networks with various actors for some times. Consequently, failed technologies failed not only technological realization, but also got a proper evaluation. This paper explore the emergence and decline of the city phone project (CT-2 technology), the very typical failure cases in the telecommunications industry at Korea. This story shows that the city phone project with low-price and low-technology could constructed a stable network at agreement the result from interaction between various actors, and then, changed because various actors gave technologies different meaning and desire. Finally, it suggests that collapse of its technological network was attributed to uncertain future and contingent, rather than technological limits.

• Journal of the Korean Data and Information Science Society
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• v.28 no.5
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• pp.1001-1019
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• 2017

The signal processing is a field of the electrical engineering but it is very much related with the time series analysis. Thesedays the commercial softwares are widely used by the reseachers. We have attempted to make a guide for using the R-package in the digital signal processing. It would be good to read the materials in each section first and to follow the plots in the section 8 and to run the attached R-codes. The article consists of (1) Fourier transform and Fourier inverse transform, (2) spectral analysis (3) parametric and non-parametric estimation for the period (4) filter design. Simple theoretical explanations are provided and R implementations are added.

• The Journal of Korean Institute of Electromagnetic Engineering and Science
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• v.14 no.5
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• pp.506-512
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• 2003

An output multiplexer of manifold type is widely used in a recent satellite transponder f3r its mass and volume reduction. For correct operation, the filter of such a multiplexer must be singly terminated. In this paper, a simple synthesis method of a 6-pole dual-mode singly terminated filter is described. From the transfer function of the filter, network parameters such as in/output terminations and coupling matrix are obtained with the aid of orthogonal projection and plane rotation. The rotation order, pivot, and rotation angle of the plane rotation process are given for easy filter synthesis. Two different-structure filters are taken into consideration and the network parameters of each filter have been obtained from the same transfer function. The method described in this paper can be applied to the other degree singly terminated filter.

• The Journal of the Korea institute of electronic communication sciences
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• v.13 no.3
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• pp.609-616
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• 2018

The purpose of this study is to describe the technologies necessary to design responsive web with the use of the responsive website based on implementation structure as a prototype. Responsive design means the process of analyzing prototype requirements on the basis of implementation and applying the analysis results to development. The design method based on the principle of priority in development was established, and then flexibility and variability through design formula were set up. After that, the user-oriented primary principle and secondary principle were drawn to establish implementation structure. In the way of discussing compression technologies, a method of combination was searched for, and then a method of asynchronous script scalability in line with a web prototype was found. Today, a website or a web application needs to be adopted and accessed regardless of device types. As a solution, a responsive website design method was found. Important technologies for the implementation structure for the responsive website design method and its relevant prototype website were came up with.

• Journal of Digital Convergence
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• v.13 no.12
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• pp.347-357
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• 2015

The purpose of this study was to identify the relationship between nurses' spirituality and attitude toward terminal and to provide basic data for enhancement of the quality of terminal care in geriatric hospitals. Data analysis was done with SPSS/WIN 18.0 program and included t-test, ANOVA, scheffe test, Pearson's Correlation Coefficient. Results: The subjects' spirituality was significantly correlated with attitude toward terminal care in geriatric hospital. Conclusion: This study suggests the need for nursing education program and development of a variety of intervention strategies to help them to achieve a positive attitude toward terminal care in terms of geriatric hospital by familiarizing themselves with the concept of spirituality.

• Journal of Digital Convergence
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• v.13 no.12
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• pp.269-275
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• 2015

The objective of this study was to examine the effects of ego state on the interpersonal skills of nursing students. The targets of this study were the nursing students in D city. The questionnaires were administered to one hundred forty-four nursing students between March 15 and March 30 in 2015. For ego state, the study used Egogram checklist, developed by Bernes and standardized by Korea Transactional Analysis Association, and for interpersonal skills, it used Relationship Change Scale, developed by Schlein and Guerney and revised to suit the conditions in Korea. The collected data were analyzed using t-test, Pearson's correlation, and hierarchical regression. The study results showed that the variables that had significant explanatory power (33.8%) for interpersonal skills were the nurturing parent ego, adapted child ego, and free child ego. The study suggests convergent implications on a transactional analysis programs for nursing students to improve interpersonal skills as the findings showed that the ego state of nursing students affected the interpersonal skills.