• Proceedings of the Korean Society of Computer Information Conference
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• 2017.01a
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• pp.53-54
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• 2017

비콘 서비스란 가까운 범위 안에 있는 사용자 위치를 찾아 메시지 전송, 모바일 결제 등을 가능하게 하는 스마트폰 근거리통신 서비스로, O2O 실현에 핵심적인 역할을 담당한다. 비콘을 활용하면 사물과 상황인식, 콘텐츠 푸시, 실내위치 측위, 자동체크인, 지오펜스 등 다양한 서비스 제공이 가능하다. 본 연구에서는 비콘을 활용하여 출석을 체크하는 자동 출석 시스템을 구현하였다. 자동 출석 시스템에서는 사용자가 강의실에 들어오는 것을 인식하여 출석 검사를 하며, 이 자료를 인터넷을 통하여 데이터베이스에 저장한다. 다양한 강의를 구별할 수 있으며, 들어온 시간, 나간 시간 등의 검사가 가능하며, 이를 좀 더 보완한다면 상황인식 시스템으로써 다양한 서비스와 연계시킬 수 있다.

• The Transactions of the Korea Information Processing Society
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• v.6 no.4
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• pp.1136-1142
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• 1999

A difficulty of the visual inspection for translated, magnified and rotated objects exists owing to the limitation of recognition rate. In this paper, we perform to define Integral Logarithm Transform(ILT), to consider its characteristic for implementation of Translation-, Magnification- and Rotation-invariant inspection system, and to compare with other methods in inspection error rate. By using magnification and rotation invariance properties of ILT, it makes easier than other methods to extract the rotation degree. The new method employs the ILT for the good/bad inspection of translated, magnified and rotated objects and experiment is performed to achieve translation, magnification and rotation invariance. In other methods both magnification and rotation invariance can't be available. As the result of he experiment, it is not better than the self-organizing map in the improvement of recognition rate, but it shows us the possibility to be used as a tool for the good/bad inspection system.

• The Korean Journal of Elementary Counseling
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• v.7 no.2
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• pp.141-158
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• 2008

The purpose of study was to examine the effects of an emotional intelligence development program on the stress recognition and stress coping of elementary school children. The subjects of this study are 24 fourth grade students who were selected based on the level of their emotional intelligence and stress recognition(level under the mean). They were divided into an experimental group and a control group, and each group had 12 students. The quantitative results of this study are as follows: First, the experimental-group increased in the level of emotional intelligence and showed a significant increase in the sub-areas of emotional intelligence(emotional recognition and expression, thought promotion) than the control group. Second, the experimental group decreased in the level of stress recognition and showed a significant decrease in the sub-areas of stress recognition(parents, family environment, friends, schoolworks) than the control group. Third, the experimental group improved in stress coping and showed a significant improvement in the sub-areas of stress coping(active coping, passive/avoidant coping, and social support seeking coping) than the control group. This study shows that emotional intelligence development program can be an effective tool for the change of stress recognition and stress coping of elementary school children.

• Journal of the Korea Convergence Society
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• v.12 no.12
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• pp.573-581
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• 2021

This study aims to investigate the awareness, nursing needs, and nursing satisfaction of conscious sedation, and their relationships in the guardians of hospitalized children receiving conscious sedation. Data were collected from 120 guardians of children who were admitted to the pediatric ward of University Hospital C in D city from July 6 to October 6, 2016 and received conscious sedation as a pretreatment for diagnostic tests. The result showed that the guardians' awareness was relatively low (2.49±0.83) and nursing needs (4.53±0.40) was found to be significantly higher than nursing satisfaction (3.81±0.56)(p<.001). Awareness showed a significant positive correlation with nursing satisfaction (r=.18, p=.048) and there was a significant positive correlation between nursing needs and satisfaction (r=.20, p=.033). This result suggested that in order to improve the nursing satisfaction of the guardians, it is necessary to understand the awareness and nursing needs of the guardians on conscious sedation. In addition, the development of customized nursing intervention should be carried out based on the awareness and nursing needs.

• Journal of Science Education
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• v.37 no.3
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• pp.538-549
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• 2013

This study investigated the preservice and inservice elementary teachers' perceptions on professionalism of teaching profession, professionalism of science teaching, and their self-efficacy on science teaching. For this study, 64 sophomore, 53 senior preservice teachers and 23 elementary teachers who were also graduate students were participated. The questionnaires consisted of 5 Likert scaled and descriptive items about the professionalism of teaching profession, professionalism of science teaching, and self-efficacy on science teaching. The results showed that some areas of the professionalism of teaching profession had significant differences between the grades in preservice teachers and/or inservice teachers. Most preservice teachers and teachers thought that they need to have professional ability, but not a few teachers thought it was not necessary to have professionalism of science teaching as a elementary teacher, even though their major was science education. The teachers who had higher perceptions on the needs of the professionalism of science teaching showed high self-efficacy on science teaching.

• Proceedings of the Korean Information Science Society Conference
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• 2001.10b
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• pp.460-462
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• 2001

컴퓨터 이미지처리는 여러 분야에서 응용되고 있는데 어떤 특성을 만족하는 객체들의 계수를 자동으로 분류시키는 생물학분야, 편지봉투나 일반양식에 인쇄되어 있는 글자를 자동으로 검출하고 인식하며 초음파검사 혹은 X-Ray 촬영에서 이미지를 획득하여 향상시키는 의료분야, 지문 및 얼굴인식 등에 이용되고 있다. 최근 몇 년 동안 이미지인식, 형태론, 이미지데이터 압축에 관한 연구가 진전되면서 본 연구에서 형태론적인 기법을 사용하여 문자인식을 위한 전처리 혹은 후처리 단계에서 사용되는 이미지향상을 위해서 팽창, 침식, 골격화의 3단계를 적용하고 기존의 연구 방법과 비교하여 이미지획득 시간을 줄이고 이미지를 향상시켰다.

• Journal of radiological science and technology
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• v.35 no.1
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• pp.35-44
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• 2012

The goal of this study is to awaken about risk occurred by CT examination. For radio-technologists working at 'S medical center' located in Seoul, we investigated a recognition about dose and risk CT and normal X-ray examination according by working experience in hospital, experience about CT examination and radiation source. For subjects of investigation, radio-technologists working at 'S medical center' located in Seoul helped us. We collected 131 questionnaires for a test of hypothesis. Cronbach @ coefficients of questionnaires were 0.825988 and 0.767161 and a rejection rate of p-value was below 0.05. SAS 9.1(SAS Institute Inc., Cary, NC, USA.) statistic package was used for hypothesis test. We used Mann-Whitney test, Kruskai-Wallis test, Two sample T-test, Two sample T-test with Bonferroni's Correction and One-way ANOVA methods. P-values of hypothesis about dose of CT and normal X-ray examination were 0.2291 ~ 0.9663. p-values of hypothesis about risk were 0.1924 ~ 1.0000. All of hypothesis is over rejection rate(<0.05). This study shows that radio-technologists of S medical center recognized that CT has higher dose and risk than general X-ray examination.

• Journal of The Korean Association For Science Education
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• v.19 no.1
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• pp.19-28
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• 1999

The major purposes of this study are to examine the effects of portfolio assessment on elementary school student's science knowledge, inquiry ability, science attitudes and to investigate students' perceptions on portfolio assessment. Control group consists of 45 fourth-graders at M-Elementary school located at Miwon, Chongwon-gun, Chung-buk and experimental group 36 fourth-graders of G-Elementary school located in Daejeon-si. The inventories of scientific knowledge I, inquiry ability, and science attitudes were administered to both groups as a pre-test. The experimental group was given portfolio assessment instruction and control group traditional instruction for about six weeks. Inventories about scientific knowledge 2, inquiry ability, and science attitudes were administered to both groups as a post-test. A questionnaire on the perception on portfolio assessment was given to experimental group after the treatment. The results were statistically analyzed with SPSS. Control group showed higher score on scientific knowledge than that of experimental group (p<0.5). No statistically meaningful difference was identified in inquiry ability and scientific attitude. More in-depth analysis revealed that scientific attitudes were improved statistically meaningfully by portfolio assessment. The students' perceptions on portfolio assessment is very positive. Students have positive responses on interests in portfolio assessment, feelings of involvement in learning, self-regulated learning, higher levels of thinking, intentions of participation in portfolio assessment.

• 재활복지
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• v.22 no.2
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• pp.103-126
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• 2018

The purpose of this study is to examine the effect of the disability awareness program and to search for its development plan. For this, the disability awareness program was developed and lecturers were educated. And it had been exercised and examined its effect to 508 people including elementary, middle and high school students and adults nationwide from June to October in 2017. To examine the effect of the program, Disability Awareness Index developed by Korean Foundation for Persons with Disabilities was used. It was also examined on the change of the disability awareness(understanding disability and human rights of disabled) and of the knowledge about discrimination and differentiation. Pre-post tests based on the experimental design were performed and data were analyzed using descriptive statistics, paired t-test, independent t-test and ANOVA. The research results showed as follows; Disability awareness was improved significantly and knowledge about discrimination and differentiation were enhanced after attending the program. Also, it was found that the factors like gender, age, and program types made significant difference to the effects of the program. Based on the research results, this study suggested for the development disability awareness program and the directions for future studies.

• Proceedings of the Korean Institute of Navigation and Port Research Conference
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• 2023.11a
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• pp.105-106
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• 2023

이 연구는 원격검사의 한 방법으로서, 특히 자율운항 선박에서 컴퓨터비전을 이용한 영상처리를 통한 원격 검사방법에 관한 것이다. 자율운항 선박은 자율화의 정도에 따라 다르지만, 선원이 승선하지 않거나 최소한의 선원만 승선하는 선박이므로 선박의 검사방법에 변화가 필요한 실정이다. 따라서 컴퓨터비전을 이용한 영상처리에 대한 이론적 배경을 바탕으로 원격검사 항목 중에서 아날로그 게이지의 정량화에 필요한 영상의 전처리 방법에 관한 연구이다. 아날로그 게이지의 정량화를 위해서 사용한 방법은 흑백처리, 가우시안필터, 임계화처리, 모폴로지 연산이다. 이 연구를 통하여 영상의 전처리 결과 배경과 객체를 비교적 명확하게 분류할 수 있었으며, 영상처리 과정 중 추가로 발생한 잡음을 효과적으로 제거할 수 있었다. 이를 통하여 영상에서 주된 객체인 지시바늘과 눈금판의 숫자를 인식에 필요한 이미지 전처리 방법을 제시하였으며, 나아가 컴퓨터 비전을 이용한 원격검사 방법은 아날로그 게이지뿐만 아니라 비상차단밸브, 통풍폐쇄장치, 고정식 소화장치 등 여러 방면에서 사용될 것이라 기대한다.