• Title/Summary/Keyword: F-Measure

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Building structural health monitoring using dense and sparse topology wireless sensor network

  • Haque, Mohammad E.;Zain, Mohammad F.M.;Hannan, Mohammad A.;Rahman, Mohammad H.
    • Smart Structures and Systems
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    • v.16 no.4
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    • pp.607-621
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    • 2015
  • Wireless sensor technology has been opened up numerous opportunities to advanced health and maintenance monitoring of civil infrastructure. Compare to the traditional tactics, it offers a better way of providing relevant information regarding the condition of building structure health at a lower price. Numerous domestic buildings, especially longer-span buildings have a low frequency response and challenging to measure using deployed numbers of sensors. The way the sensor nodes are connected plays an important role in providing the signals with required strengths. Out of many topologies, the dense and sparse topologies wireless sensor network were extensively used in sensor network applications for collecting health information. However, it is still unclear which topology is better for obtaining health information in terms of greatest components, node's size and degree. Theoretical and computational issues arising in the selection of the optimum topology sensor network for estimating coverage area with sensor placement in building structural monitoring are addressed. This work is an attempt to fill this gap in high-rise building structural health monitoring application. The result shows that, the sparse topology sensor network provides better performance compared with the dense topology network and would be a good choice for monitoring high-rise building structural health damage.

Level Satisfaction on Clinical Practice of Baccalaureate Nursing Students (간호학생의 임상실습 만족도에 관한 조사연구)

  • 이숙자
    • Journal of Korean Academy of Nursing
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    • v.10 no.2
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    • pp.41-52
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    • 1980
  • As it Provides nursing students the opportunity for correlating principles and practice, clinical practice h s been considered as on of the most important part of nursing education. This study was desinged to measure the level of satisfaction in according with the conten. guidance environment. hours and the evaluation of clinical pracice. and to investigate the extent of influence of the variables have on the level of satisfaction. Two hundred and fifty-two nursing students from 9 baccalaureat programs in Seoule were randomly sampled. Instrument consists of forty questionaires. developed by the researcher, was used to gather data data from September 7 through 22, 1978. The level of satisfaction was measured by 5 Point rating scale(Likert-type). and level of significance were(t-test. F-test & X$^2$-test). -Results are as follow; 1. Level of satisfation according to the four variables ( class health. academic achievement, motives) revealed no significant difference. (P>.05). Hypothesis 1,2,3,4, are rejected. 2. Level of satisfaction according to the two variables (clinical instructor interpersonal relationship) revealed significant difference. (p<.01, p<.05), Hypothesis 5,6 are accepted. 3. Level of satisfaction of contents (mean score=3.02) revealed to be high.. 4. Level of satisfaction on guidance (mean Score=2.37), environment (mean score=2.59), hours (mean score=2.72) and evaluation (mean score=2.50) revealed to be low. 5. Level of satisfaction revealed to be low. (total mean satisfaction score =2.64).

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A Study on the Urinary Hippuric Acid Excretions of Workers Exposed to Toluene in Working place (작업장에서 톨루엔에 노출된 근로자들의 마뇨산 배설량에 관한 연구)

  • 이병호;김부길;권수자
    • Journal of Environmental Science International
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    • v.10 no.6
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    • pp.445-450
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    • 2001
  • This study was carried out In Investigate the correlation between toluene In air and hippuric acid In human urine, which 1.: based on the results of the health check-in and the measure of working environment, was investigated for two years. The concentration of toluene in air for the five working places in Yang-San area were ranged from 39.05±10.31 ppm to 4.04±3.38ppm and the mean value of those was 16.89±14.76ppm. The mean value was 16.89±14.76ppm which is below the permissible limit of toluene. The concentration of hippuric acid(HA) In the worker's urine were between 0.47g/ℓ and 0.76g/ℓ. There was mutual correlation (Υ=0.94) between the concentration of toluene in air and that of hippuric acid in urine. In case of male workers, the mean value of hippurlc acid In urine was 0.56g/ f and the female workers was 0.57g/ℓ that showed higher than the male's. However, there was no relationship between the workshop and the distinction of sex. From the mean value of toluene in air(T) and that of hippuric acid(H), we obtained the formula, Η=0.3logΤ+0.235.

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The Actual Wearing Condition and Wearing Satisfaction of High School Boys' Summer Uniforms (남자 고등학생의 하복 착용실태 및 착용만족도)

  • Kweon, Soo-Ae;Choi, Jong-Myoung;Kim, In-Wha,
    • Journal of the Korean Home Economics Association
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    • v.41 no.10 s.188
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    • pp.45-55
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    • 2003
  • This study was performed to find ways to improve the wearing comfort of high school boys' summer uniforms. The subjects were 640 boy students of high schools in Cheongju and Ansung city. The data was collected self-administered questionnaires to measure the actual wearing condition and the wearing satisfaction. Factor analysis, t-test, and F-test were used for data analysis. The results were as fellows: 1) Most students were wearing shirts made of polyester/rayon blended fabrics and pants made of wool/polyester blended fabrics. 2) Most students were wearing round neckline T-shirts or running shirts as underwears of the shirts, and trunks as pants. 3) About a half of respondents had altered their summer uniforms, and main alteration of their uniforms was focused on making their pants narrow. 4) The wearing satisfaction of uniforms were classifies into three factors: aesthetic, moving function, thermal comfort wearing sensation. 5) They evaluated the wearing sensation of school uniforms of shirts and pants with low satisfaction. 6) There were partially significant differences in three factors of the wearing satisfaction according to the uniform's fabrics, the wearing of underwear and the alteration of uniform.

Quality of Life in Gynecological Cancer Patients During Chemotherapy (항암화학요법을 받는 부인암 환자의 삶의 질에 관한 연구)

  • Lee, Joo-Young;Choi, S-Mi
    • Women's Health Nursing
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    • v.13 no.4
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    • pp.290-298
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    • 2007
  • Purpose: This study was to measure the quality of life(QOL) and to identify the related factors in gynecological cancer patients during chemotherapy. Method: The subjects of this study were the patients who had undergone a hysterectomy and were admitted for chemotherapy at S university hospital between November 2006 and April 2007. Data was collected from 106 gynecological cancer patients with the use of a structured questionnaire which measured the QOL(FACT-G), body image, the presence of anxiety & depression, uncertainty, and family support. The data was analyzed by the SPSS win 12.0 program. Results: The mean FACT-total score was 62.1$({\pm}16.7)$ (range; 26-107). Positive correlations were found between QOL and body image(r= .67, p= .00), and QOL and family support(r= .32, p= .00), whereas there were negative correlations between QOL and anxiety(r= -.54, p= .00), QOL and depression(r= -.70, p= .00), and QOL and uncertainty(r= -.59, p= .00). Fifty seven pre cent of the variance in subjective overall QOL can be explained by depression, body image, and uncertainty(Adj $R^2$= .57, F=47.00, p= .00). Conclusion: Our patients had a relatively low QOL score. Factors significantly affecting quality of life were depression, body image and uncertainty. Nursing interventions, therefore, should be focused on improving QOL in gynecological cancer patients during chemotherapy, particularly so in patients with depression, uncertainty or poor body image.

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Communications and Family Stress Between Mother and Adolescent (어머니와 청소년자녀의 의사소통유형지각과 가족스트레스)

  • 김오남
    • Journal of the Korean Home Economics Association
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    • v.32 no.3
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    • pp.105-120
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    • 1994
  • The purposes of this research are to find out general trends of mother-adolescent communication and family stress to estimate the differences of communication patterns and family stress according to sociodemographic and communication variables and to analyze communication variables influencing on family stress. The samples were selected from high school students and their mothers and 342 couples were used in final analysis. Barnes & Olson(1982)'s parent-adolescent communication scale(PACI) and McCubbin(1981)'s family stress scale(FILE) were used to measure mother-adolescent communication pattern and family stress. The data were analyzed by frequency, percentage, mean, Chi-square, F-test Duncan-test, multiple regression, Pearson's r, and Chronbach's α. The result are summerized as follows: 1) Mothers highly perceived mother-adolescent open communication pattern but adolescents highly revealed mother-adolescent close communication pattern. The general trends of family stress showed that adolescents stress is higher than mothers. 2) Communication patterns showed significant differences in mother's age, adolescent's sex and communication variables in mother's education and conversation variables. Generally when mothers and adolescents communicated insufficiently and were not satisfied with communication patterns family stress was increased. 3) Family stress was significantly different in communication patterns. Form the regression analysis it was found that communication patterns are crucial to family stress. Especially open communication pattern between mothers and adolescents was the most important among the communication patterns for family stress was reduced.

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Visual Saliency Detection Based on color Frequency Features under Bayesian framework

  • Ayoub, Naeem;Gao, Zhenguo;Chen, Danjie;Tobji, Rachida;Yao, Nianmin
    • KSII Transactions on Internet and Information Systems (TIIS)
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    • v.12 no.2
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    • pp.676-692
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    • 2018
  • Saliency detection in neurobiology is a vehement research during the last few years, several cognitive and interactive systems are designed to simulate saliency model (an attentional mechanism, which focuses on the worthiest part in the image). In this paper, a bottom up saliency detection model is proposed by taking into account the color and luminance frequency features of RGB, CIE $L^*a^*b^*$ color space of the image. We employ low-level features of image and apply band pass filter to estimate and highlight salient region. We compute the likelihood probability by applying Bayesian framework at pixels. Experiments on two publically available datasets (MSRA and SED2) show that our saliency model performs better as compared to the ten state of the art algorithms by achieving higher precision, better recall and F-Measure.

Brain Activation During the Wrist Movement Using Symmetrical Upper Limb Motion Trainer (대칭형 상지 운동기구를 이용한 손목 운동 시 뇌 활성도 패턴)

  • 태기식;김사엽;송성재;이소영;박기영;손철호;김영호
    • Proceedings of the Korean Society of Precision Engineering Conference
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    • 2004.10a
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    • pp.1303-1306
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    • 2004
  • We developed a symmetrical upper limb motion trainer for chronic hemiparetic subjects. This trainer enabled the practice of a forearm pronatio $n^ination and wrist flexion/extension. In this study, we have used functional magnetic resonance imaging(fMRI) with the developed symmetrical upper limb motion device, to compare brain activation patterns elicited by flexion/extension wrist movements of control and hemiparetic subject group. In control group, contralateral somatosensory cortex(SMC) and bilateral cerebellum were activated by dominant hand movement(Task 1), while bilateral movements by dominant hand(Task 2) activated the SMC in both cerebral hemispheres and ipsilateral cerebellum. However, in hemiparetic subject group, contralateral supplymentary motor area(SMA) was activated by unaffected hand movement(Task 1), while the activation of bilateral movements by unaffected hand(Task 2) showed only SMA in the undamaged hemisphere. This study, demonstrating the ability to accurately measure activation in both sensory and motor cortex, is currently being extended to patients in clinical applications such as the recovery of motor function after stroke.ke.

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Counseling Elderly People in Long-term Care Service (장기요양서비스에 대한 노인상담 실태와 영향 요인)

  • Lee, Hung-Sa;Kim, Chun-Mi
    • Research in Community and Public Health Nursing
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    • v.22 no.2
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    • pp.141-150
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    • 2011
  • Purpose: The purpose of this study was to examine satisfaction with counseling in long-term care service, and to compare the scores of counseling satisfaction according to variables among beneficiaries of Korean long-term care services. Methods: Questionnaires were completed by 445 beneficiaries of long-term care insurance to measure satisfaction with counseling. Research design was cross-sectional descriptive design. Data were analyzed using descriptive statistics, t-test and ANOVA for evaluating differences in satisfaction with counseling according to variables including economic status, the level of long-term care insurance approval, duration of long term care service, and conditions of counseling. Results: The score of satisfaction with counseling was somewhat high as 71.67. The score of counselor's attitude was highest among the subcategories of satisfaction. The factors that influenced satisfaction with counseling were frequency and time of counseling (F=12.19, p<.001). Conclusion: Home-based individual counseling is necessary for the elderly who need long-term care service. The National Long-term Care Insurance Corporation should offer counseling and assistance to elders and their caregivers about long term care insurance.

Perceived Social Support of Mothers with Disabled Children (장애아동 어머니가 인지하는 사회적 지지)

  • Han, Young-Ran
    • Journal of Korean Public Health Nursing
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    • v.21 no.2
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    • pp.206-216
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    • 2007
  • Purpose: The purpose of this study was to investigate the perceived social support of mothers with disabled children. Method: This study was a cross-sectional, descriptive study using a questionnaire survey which included the standardized measure: personal resource Questionnaire 2000. Results: The participants were 98 mothers, each with one with disabled children. Of the 98 participant's children, 39.8% suffered mental retardation, 34.7% was developmentally disability, 16.3% was brain diseases and 9.2% was multiple disabled. The mean age of the disabled children was 8.2 years and of their mothers was 38 years. The order of the life events for which the need help for the subjects required help were 'when anger and frustration arise happened', 'difficulties in human relationship' and 'emergency situations'. The personal resources were spouse (38.1%), friends (20.9%) and parent (12.9%). The mean score of perceived social support was 5.48 out of a total of 7, indicating a slightly high on social support score. Significant differences were found in the level of perceived social support according to the school grade of disabled child's school grade (F=4.04, p= .02) and the mother having a job presence of mothers (t=2.49, p= .01). Conclusion: These findings indicate a need for nursing intervention programs for mothers with disabled children, including anger management, methods of human relationship, support for leisure time and long term illness and providing information.

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