• Journal of the Korea Academia-Industrial cooperation Society
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• v.17 no.4
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• pp.351-360
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• 2016

The purpose of this study is to predict visual-spatial working memory performance through the characteristics of an electroencephalogram (EEG) in the resting state. The 31 study participants, middle school students with various to academic performance, were underwent visual-spatial working memory test in the Comprehensive Attention Test (CAT) on December in 2014. Each 7 and 6 participants were divided into an Excellent Working Memory (EWM) group and Poor Working Memory (PWM) group depending on the forward/backward working memory scores. The EEG measurements and analysis of the data from a Brain Function Tester were performed by the two groups. A Mann-Whitney Test was used to examine the statistical differences between them. The activation of high beta (${\beta}H$) at the Fp1 and Fp2 sites in the left and right hemisphere, and that of the low beta (${\beta}L$) in the right hemisphere in the EWM group was significantly higher than that in the PWM group. In conclusion, there is a correlation between the visual-spatial working memory performance and the activation of ${\beta}H$ and ${\beta}L$ in the resting state and a close correlation that of ${\beta}L$ in the right hemisphere in terms of mental activity and faculty. Therefore, the visual-spatial working memory performance can be predicted by the activation of ${\beta}H$ and ${\beta}L$ in the resting state. The activation of EEG can be applied as an assessment tool and provide basis data for visual-spatial working memory performance.

• Journal of KIISE:Computing Practices and Letters
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• v.8 no.2
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• pp.183-194
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• 2002

The clustering environment with heterogeneous workstations provides the cost effectiveness and usability for executing applications in parallel. Load balancing is considered a necessary feature for a cluster of heterogeneous workstations to minimize the turnaround time. Previously, static load balancing that assigns a predetermined weight for the processing capability of each workstation, or dynamic approaches which execute a benchmark program to get relative processing capability of each workstation were proposed. The execution of the benchmark program, which has nothing to do with the application being executed, consumes the computation time and the overall turnaround time is delayed. In this paper, we present efficient methods for task distribution and task migration, based on the relative load index. We designed and implemented a load balancing system for the clustering environment with heterogeneous workstations. Turnaround times of our methods and the round-robin approach, as well as the load balancing method using a benchmark program, were compared. The experimental results show that our methods outperform all the other methods that we compared.

• The Journal of Korean society of community based occupational therapy
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• v.8 no.3
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• pp.25-35
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• 2018

Objective : The purpose of this study was to identify changes in reading ability among children with Borderline Intelligence by applying an electronic media reading training protocol. Methods : A picture book reading training protocol was applied to 10 childrens with borderline intelligence using electronic media to improve reading skills. This protocol was performed for 10 session once a week. After the analysis of the content validity index about the protocol presented in this study, this prococol was applied to the subjects. To analyze the changes of the reading ability for the subjects, KNISE-BAAT type A and B reading test were used. Results : According to the tests taken before and after implementing, the Application of Picture Booking Training Protocol using Electronic Media there was a significant improvement in Reading ability (Understanding words, Completion sentence, Vocabulary selection, Vocabulary arrangement, Understanding short text). However, there was no significant difference in Oral Reading. Conclusion : Application of Picture Booking Training Protocol using Electronic Media may be used as a beneficial measure to improve the reading abilities of children with Borderline Intellectual.

• Proceedings of the Korean Institute of Information and Commucation Sciences Conference
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• v.9 no.2
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• pp.649-653
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• 2005

패션 의류업계에서 기획의도의 명확한 전달을 위해 제품 사양서, 생산의뢰서, 생산 지시서, 제조지시서 등으로 불리는 작업지시서를 사용하고 있다. 명확한 작업을 지시하기 위해서는 소재, 제조방법, 제조규격, 불량사례 그리고 생산 공장의 작업능력을 등 다양한 정보를 기초로 작업지시서를 작성하여야 한다. 본 연구에서는 기존의 오프라인 작업지시서와 달리 손으로 직접 입력하는 것이 아니라 데이터베이스 시스템을 접목한 디자인과 작업지시서 작성 시스템을 구현하였다. 따라서 본 시스템의 특징은 사용하기 편리한 사용자 인터페이스, 세부지시사항을 위한 도구 지원과 보다 정확하고 쉬운 데이터 입출력이 가능하며 기존 저장 데이터의 활용, 편리한 치수기입 등을 제공한다.

• The Journal of Korean society of community based occupational therapy
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• v.2 no.1
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• pp.75-84
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• 2012

Objective : This study aims to identify the effect of an occupational therapeutic intervention program including horticultural therapy on cognition and daily living performance of the elderly with dementia. Methods : For the purpose, the study measured the changes before and after the therapy, targeting sixteen women with dementia who were living in nursery facilities. We used MMSE-K to analyse the cognition, and evaluated daily living performance using K-MBI(p<.05). Results : The results of the study were presented as follows: 1. To identify changes of MMSE-K before and after the therapy between the control and test groups. As a result, it was discovered that MMSE-K of the control group was $16.25{\pm}1.38$ before the therapy and $16.00{\pm}.92$ after the therapy, which indicated no significant differences, but MMSE-K of the test group was $16.00{\pm}1.51$ before the therapy and $17.87{\pm}1.35$ after the therapy, which was statistically significant (p<.05). 2. To identify changes in daily living performance(K-MBI) between the two groups before and after the therapy, and it was discovered that scores of the control group were $74.00{\pm}1.30$ before the therapy and $74.25{\pm}1.16$ after the therapy, which showed no significant difference, but those of the test group were $73.75{\pm}1.28$ before the therapy and $76.37{\pm}1.30$ after the therapy, which was statistically significant(p<.05). Conclusion : Based on the results above, it was demonstrated that the an occupational therapeutic intervention program including horticultural therapy had a positive effect on cognition and daily living performance of elderly women with dementia and it is suggested that the results can be used as basic data for clinical intervention of the elderly with dementia.

• The Journal of Korean society of community based occupational therapy
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• v.2 no.2
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• pp.25-35
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• 2012

Objective : The purpose of this study was to investigate the effect of virtual reality program on fall efficacy and activities of daily living(ADL) for patients with stroke. Method : Twenty stroke patients were participated voluntarily and were assigned randomly into the control and the experimental groups. Both control and experimental groups were given same basic rehabilitation treatment while only the experimental group was given virtual reality program. The fall efficacy of both groups was assessed using fall efficacy scale(FES) and ADL performance ability was assessed by functional independence measure(FIM). Result : Fall efficacy and ADL performance ability showed a statistically meaningful difference for both experimental and control groups(p< .05), the fall efficacy and ADL performance ability of the experimental group improved meaningfully in a statistical way than that of the control group(p<. 05). Conclusion : It was found that carrying out virtual reality program with occupational therapy has an effect on fall efficacy and ADL performance ability of patients with stroke. Therefore, virtual reality program can be a way of treatment for patients with stroke to improve their fall efficacy and ADL performance ability, and the program can also be applied in clinics as well as occupational therapy.

• 한국노년학
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• v.30 no.1
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• pp.127-140
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• 2010

This study aims to understand the effects of a Computer - based Cognitive Rehabilitation Therapy(CBCRT) evidence based on mild dementia patients' ability to activities daily living(ADL), cognitive function and measure of occupational performance and to suggest basic data for a cognitive rehabilitation therapy for dementia patients. Method : A CBCRT was applied two times a week for 5 weeks to 14 mild dementia patients who visited Yongin Center for Managing Dementia in Gyeongi-do between February and August 2009. Based on frame of reference for Visual-Perception a CBCRT was applied at home. Moreover, a one group pretest-post test design was, which is a quasi-experiment and research, also applied in order to verify the effects of the rehabilitation therapy on the subjects' ability to ADL, cognitive function and occupational performance skills. Results: A significant effect was confirmed (p<.05) from the CBCRT which Assessment of Motor and Process Skills(AMPS) processing skills and cognitive function and occupational performance skills. Neither was found any significant effect in improving motor skills from AMPS. Conclusion: It seems that a CBCRT based on evidence and has an effect on the improvement of the ability to ADL and cognitive function of mild dementia patients living in a community. The present author hopes that, in the future, more cognitive rehabilitation programs will be developed to improve the functions of mild dementia patients living in a community.

• Proceedings of the Korean Institute of Industrial Safety Conference
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• 2003.10a
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• pp.361-369
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• 2003

야간작업은 가능하면 피해야 하지만 공사기간의 제한이나 공정상의 이유로 인하여 불가피하게 진행되는 경우가 있다. 또한, 주간에서와 같이 눈으로 보면서 식별하고 위험을 인지할 수 있는 신체적 능력이 저하될 뿐만 아니라 조명등의 주변여건이 식별을 불가능하게 하거나 불확실한 시각으로 부정확한 식별이 이어지는 잠재위험이 상존해 있다고 볼 수 있다.(중략)

• Proceedings of the Korean Institute of Building Construction Conference
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• 2012.05a
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• pp.189-190
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• 2012

• Proceedings of the Korea Information Processing Society Conference
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• 2018.10a
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• pp.80-81
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• 2018

모바일, IoT, 데스크탑의 컴퓨팅 자원을 통합한 환경에서 다중 작업을 처리하는 연구가 진행되고 있다. 통합된 컴퓨팅 자원(Integrated Computing Resources)에서 다중 작업(Multi-Job)을 처리할 경우에는 실시간으로 발생하는 작업 부하 및 대규모의 컴퓨팅 능력이 요구된다. 또한 사용자에게는 단일 작업 처리 시간과 유사한 작업 처리 속도를 제공해야한다. 기존 클라우드 컴퓨팅의 작업 처리 연구에서는 고성능의 컴퓨팅 자원을 이용하여 단일 작업 처리 속도를 향상시키는 연구는 진행되었으나 다중 작업 처리에 대한 연구는 미흡하다. 본 논문에서는 통합된 컴퓨팅 자원에서 두 개 이상의 작업을 수행하여 작업 처리량을 향상 시키는 다중 작업 스케줄링(MJS-MM)을 제안한다. MJS-MM은 서브미션된 작업을 분할(Decomposition)하고 가용 컴퓨팅의 성능기반 작업을 수행하여 총소요시간(Makespan)을 최소화 할 수 있도록 한다.