• Journal of the Korean Society of Radiology
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• v.14 no.2
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• pp.179-191
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• 2020

The aim of this study was to investigate the predictors of major adverse cardiac events (MACE) in patients with drug-eluting balloon (DEB) for in-stent restenosis (ISR) lesion. Total of 257 patients who developed ISR on follow-up coronary angiography (66.1 ± 10.1years, 172 males) in Chonnam National University Hospital between October 2012 and January 2017 were enrolled. We divided the patients into two groups; group I (MACE group; n= 35) and group II (No MACE group; n= 222). A multivariate logistic regression analysis revealed that type IV ISR (HR=4.179, 95% C.I.=1.851-9.437 p= 0.001), lesion length > 25 mm (HR=8.773, 95% C.I.=1.898-40.546 p=0.005), number of ISR recurrence > 2 (HR=4.693, 95% C.I.=1.259-17.490 p= 0.021) were independent factors for MACE after DEB in ISR lesions.

• The Journal of the Acoustical Society of Korea
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• v.40 no.5
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• pp.479-487
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• 2021

In this paper, we propose an Sound Event Detection (SED) model using self-training based on a noisy student model. The proposed SED model consists of two stages. In the first stage, a mean-teacher model based on an Residual Convolutional Recurrent Neural Network (RCRNN) is constructed to provide target labels regarding weakly labeled or unlabeled data. In the second stage, a self-training-based noisy student model is constructed by applying different noise types. That is, feature noises, such as time-frequency shift, mixup, SpecAugment, and dropout-based model noise are used here. In addition, a semi-supervised loss function is applied to train the noisy student model, which acts as label noise injection. The performance of the proposed SED model is evaluated on the validation set of the Detection and Classification of Acoustic Scenes and Events (DCASE) 2020 Challenge Task 4. The experiments show that the single model and ensemble model of the proposed SED based on the noisy student model improve F1-score by 4.6 % and 3.4 % compared to the top-ranked model in DCASE 2020 challenge Task 4, respectively.

• The Journal of the Korea Contents Association
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• v.12 no.7
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• pp.29-39
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• 2012

This paper focused on the difference between an adaptation of novel and movie and the common process of making spy novel into an action-packed movie. The polyphony what Mikhail Bakhtin said turned out to be the way of description for double spy, a major motif of narrative in this novel and movie. There is a new possibility of adaptation that has a dialogical narrative, character description by multiple narrators and repetition of the same place. It was suggested the possibility of polyphonic adaptation by the consideration for a narrative aspect in the process of making the novel into the movie. This study will be expected to be help for studies of an adaptation between the novel and movie.

• The KIPS Transactions:PartD
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• v.8D no.5
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• pp.513-522
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• 2001

Active database execute an action of active rule defined in advance which is triggered automatically, whenever an event with the matching event specifications occurs, its condition is evaluated. Because these rules may in turn trigger other rules, the set of rules may be triggered each other indefinitely, Therefore, we propose a termination analysis method to guarantee termination. This proposed method considers composite event as well as rule execution time. Above all, the method not only uses deactivation graph combined to trigger graph for exact analysis, but also improves the complexity of analysis. Also the proposed method enhances accuracy of analysis result.

• Proceedings of the Korean Society of Disaster Information Conference
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• 2023.11a
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• pp.269-270
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• 2023

본 논문에서는 스포츠 경기장에 경비 로봇의 안전대책에 관하여 위험성평가를 진행하였다. 스포츠 경기장에서는 다양한 형태, 종류의 이벤트가 진행되고 있다. 안전관리를 위한 안전 요원이 반복 순찰을 진행하고 있으나 대형 규모의 경기장의 경우 안전 요원이 전체적인 안전을 확인하고 책임지기 어렵다. 또한 스포츠 경기장에서 일어나는 대부분의 사고는 군중 관련 사고이다. 사고 예방을 위해 안전 관리자의 역할을 보조하는 로봇을 활용하여 사건 및 위험 상황에 대비하는 시스템의 구축이 필요하다. 스포츠 경기장 경비 로봇 안전 운영 안전대책 도출을 위해 선행연구와 참고문헌을 바탕으로 경비 로봇의 규제 및 특성을 탐구하여 연구를 진행했으며 경기장 답사를 위해 잠실 종합운동장 야구장을 3회 실사하여 위험한 사건이 일어날 수 있는 장소를 조사 하였으며, ISO 13489-1에 적용된 PLr 트리를 통한 위험성 평가를 진행하였으며 자체 위험성 평가 시트를 제작하여 위험 정도를 도출 하였다.

• Journal of the Korean Society for Library and Information Science
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• v.58 no.3
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• pp.359-380
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• 2024

The purpose of this study is to increase understanding of the library use behavior and preferences of the elderly by exploring positive and negative experience factors in the use of public libraries by the elderly. To this end, the Critical Incident Technique (CIT) was applied and individual in-depth interviews were conducted with elderly people who use public libraries. Analysis of the collected data was conducted by applying the constant comparison method, and 12 categories of positive experience factors and 12 categories of negative experience factors were derived under four areas: data, service-program, environment-facility, and emotion. Based on these results, suggestions were made regarding public library services for the elderly.

• Cross-Cultural Studies
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• v.41
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• pp.33-56
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• 2015

Trauma studies have provided useful models for dealing with the catastrophic and disastrous events that an individual and collective group experience. Most important of all, the perspective of post-structuralist trauma study, including Cathy Caruth, became a paradigmatic model and it has been applied to almost all contexts of life. The perspective of this study model, which is called an "event-based model of trauma," focuses on the literal registration of the traumatic event and the accurate and immediate recall of the past. The person directly involved in the event becomes the passive bearer transmitting the truth of a traumatic event. From this perspective, the traumatic subject only undergoes and endures the event and cannot play an active role in constructing trauma and dealing with it. Eventually, the truth of trauma has to be obtained at the cost of the traumatic subject's autonomy and the possibility of his/her agency. The problem here is that the truth, which is reencountered through the literal return of the past, obtained at the cost of the subject's autonomy, strikes a rather fatal blow to the person, than gives help for resolving many of matters surrounding traumatic experience and curing trauma. This suggests that the active way of dealing with trauma on the part of the traumatic subject, rather than the traumatic event itself, is demanded. Furthermore, because more recently, images of disastrous events were viewed "live" by audiences and an immediacy to the event is replicated in public discourse about them, the event becomes more immediately traumatic and there is a more strong presumption that people regard themselves as traumatic victims than before. This is the reason that we must explore an active way dealing with trauma on more human position at this time. This essay aims to examine the limits of the paradigmatic model of trauma study, an "event-based model of trauma," critically through a literary, theoretical text in which it reveals how the literal return of the traumatic past have a fatal effect on the victim; and hopes to suggest "the narrative memory" as a way to deal with trauma from a more humanistic perspective.

• Korean Journal of Cognitive Science
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• v.20 no.2
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• pp.155-181
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• 2009

Psychophysiologists are often interested in the EEG signals that accompany certain psychological events. When one is interested in a time series of event-related changes in EEG, one focuses on examining how the waveforms recorded at individual electrode sites vary over time across one or more experimental conditions. This is an analysis of event-related potentials (ERPs). In addition to such a classical EEG analysis in the time domain, the EEG measures can be investigated in the frequency domain. Moreover, it has been demonstrated that spectral analyses can often yield significant insight into the functional cognitive correlations of the signals. Therefore, this review paper tries to summarize essential concepts (e.g. phase-locking) and conventional methods (e.g. wavelet transformation) for understanding spectral analyses of brain oscillatory activity. Phase-coherence is also introduced in relation to functional connectivity of the brain.

• Journal of Korea Entertainment Industry Association
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• v.13 no.5
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• pp.73-82
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• 2019

The satirical content of the absurd play, centered on Lee Keun-sam's play, represents the family image of a modern capitalist society where only duty is emphasized while the characters are lost in love with the family. They show humans becoming subordinate to economic logic as traditional relationships and family relationships change into material ones due to the rapid development of the economy. The narrator expresses the roles of the performer and the narrator together. It also presents the plot as a characteristic element of epic and absurd dramas, and directs actors as directors. It also foretells the events that will take place in the future, presents the inner consciousness of the characters in the play, and reduces and expands events and times. In terms of conflict, in order to fulfill the financial responsibility of their children, the professor translates them like a machine and the wife distributes the money they earn as they demand. The middle-aged professor and his wife are not willing to make a difference in the real world, so specific conflicts are not revealed. Therefore, no concrete conflict appears within this work. The plot of consisted of 22 epicentre compartments, consisting of a time frame from evening to the next morning. And no special events happen and show only one family's daily life. In addition, materials that show simple repetition of daily life such as newspapers, rice, birthdays, etc. are effectively showing the character of absurdity through repeated structure. The linguistic features of the absurd play focus on expressing anxiety, despair, fantasy and the sense of loss that the object's purpose has disappeared. The stage system avoids detailed portrayals of naturalist plays and creates a thoroughly simplified image that the theme of the play demands, which shows that the stage unit is also an important element that characterizes the absurdity of reflexes.

• Convergence Security Journal
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• v.15 no.6_2
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• pp.55-63
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• 2015

Like a violence occurred by security guardians in the Yoosung or SJM Enterprise, a series of security company in Korea has repeated illegal conduct. So human rights violations are getting to be very heavy. The National Police Agency, the controller of the Security Services Industry Act, requires stricter regulations for the defense industry direction. here followed the research about some provisions in the Security Services Industry Act relating to 'the collective civil appeals spot' examining the contents of the Problems and discussed about it.