• 반도체디스플레이기술학회지
• /
• 제16권4호
• /
• pp.30-35
• /
• 2017

Moving object segmentation from a nonstationary camera is a difficult problem due to the motion of both camera and the object. In this paper, we propose a new confidence-based background subtraction technique from moving camera. The method is based on clustering of motion vectors and generating adaptive multi-homography from a pair of adjacent video frames. The main innovation concerns the use of confidence images for each foreground and background motion groups. Experimental results revealed that our confidence-based approach robustly detect moving targets in sequences taken by a freely moving camera.

• 한국수학교육학회지시리즈A:수학교육
• /
• 제55권2호
• /
• pp.233-249
• /
• 2016

In this study, we extracted the background meaning of the condition that four points lie on a circle, analyzed textbooks critically and proposed the orientation to improve the content in the textbook. As results, the condition has a realistic background meaning which is 'mathematical modeling of finding a fair location'. The condition has a mathematical background meanings which are 'a first complex situation distinguished from two points and three points', 'the condition described in the perspective of side and angle in order to overcome the disadvantages of the perpendicular bisectors context' and 'being possible to transfer more than five points'. However it is difficult to understand the reason why the condition is on four points in the current textbook. In addition, it is difficult to recognize the connectivity of a circumcenter of triangle. To overcome these problems, we proposed five orientations to improve the content in the textbook.

• 한국과학교육학회지
• /
• 제30권7호
• /
• pp.908-919
• /
• 2010

The objectives of this study were to investigate what kind of background concepts is necessary to help that high school students easily understand meiosis and to find out how these background concepts affect students' understanding of meiosis. To achieve these objectives, first this study surveyed meiosis background concepts that high school teachers think. Based on 8 background concepts - nuclear phases, chromosome, mitosis, reproduction, gamete, gene, mother/daughter cell - of previous survey, the questionnaire was made for the 10th(724) and 11th(862) grade students and then was analyzed for the effect of meiosis background concepts on the high school students' understanding of meiosis. Results of the analysis revealed that the influential background concepts are as follow; cell cycle, chromosome in the advanced level, mother/daughter cell, mitosis, chromosome, nuclear phases in the intermediate level, mother/daughter cell, nuclear phases, gene in the low level. And the achievement according to item types was differed not by meiosis achievement, but by each background concepts.

• 한국생활과학회지
• /
• 제13권4호
• /
• pp.581-598
• /
• 2004

The purpose of this study is to analyze the conspicuous consumption propensity of middle schoolers and to develop effective consumer education programs which help improve consumer socialization. Empirical data were collected by using a questionnaire for 500 middle schoolers who reside in the city of Daegu. The results of this study are as follows: First, significant differences in materialistic propensity can be found. It results from the difference in parents' educational background, amount of monthly pocket money, influence of mass media and friends, and the consumer education hosted by schools. Second, significant differences in the conspicuous consumption propensity can be found. It comes from the difference in materialistic propensity and control of purchasing behaviors. Third, the variables affecting the middle schoolers' propensity of conspicuous consumption include influence of mass media and friends, control of purchasing behaviors, influence of materialistic propensity, amount of monthly pocket money, and mother's educational background. Lastly, this study helps develop consumer education programs for the teenagers. The program should use statistics data, Internet, presentation materials, putting higher priority on experience activities, survey, analysis, discussion, and presentation rather than theoretical education.

• 컴퓨터교육학회논문지
• /
• 제20권6호
• /
• pp.37-45
• /
• 2017

본 논문에서는 2016년도에 68개 SW교육 연구학교 학생들을 대상으로 조사된 SW교육에 대한 인식을 학교급, SW교육 기간, 인터넷 사용 시간 등의 배경요인별로 차이를 살펴보고 학생들의 SW교육에 대한 인식과 배경요인 간에 어떤 관련이 있는지를 분석하였다. 그 결과, 학교급이 낮을수록, SW교육 기간이 길수록, 가정에서의 인터넷 사용 시간이 1시간~2시간 정도로 적당할수록 SW교육에 대한 인식이 긍정적인 것으로 판단되었다. 그러나 SW교육 기간과 인터넷 사용 시간이 학생들의 SW교육에 대한 인식에 유의미한 영향을 미치지는 않는 것으로 판단되었다. 이와 같은 분석 결과에 따라 중학교에서 학생들의 흥미를 유발할 수 있는 교수학습 방법, 장기간의 SW교육에서 학생들의 흥미를 유지할 수 있는 효과적인 교수학습 방안, 가정에서 적당하게 인터넷을 사용할 수 있도록 학생들을 지도하고 학부모를 계도하는 방안 등의 필요성을 제안하였다.

• 한국과학교육학회지
• /
• 제24권5호
• /
• pp.833-842
• /
• 2004

본 연구의 목적은 유아의 과학에 대한 태도가 어떠하며, 유아의 성과 교사의 학력, 경력, 과학적 소양에 따라 차이가 있는지를 알아보기 위한 것이었다. 유치원 교사 90명을 대상으로 기초 배경과 과학적 소양에 대한 질문지 조사를 실시하였고, 유아 180명에게는 "유아의 과학에 대한 태도"문항을 토대로 면접을 실시하였다. 연구 결과, 유아의 과학에 대한 태도는 긍정적이었으며, 교사의 학력에 따라 차이가 있는 것으로 나타났다. 유아의 과학에 대한 선호는 교사의 과학적 소양에 따라 차이가 있는 것으로 나타났다. 이는 유치원 교사들이 양성 교육과 현직 교육을 통해 지속적으로 과학적 소양을 함양하는 것이 중요하다는 것을 시사한다.

• 한국수학교육학회지시리즈A:수학교육
• /
• 제42권4호
• /
• pp.453-463
• /
• 2003

The main purpose of this paper is to develope elementary mathematics teaching-learning programs for pre-service elementary teachers. The elementary mathematics education program developed in this work is divided into two parts: One is the theory, the other is the practice. The theory deals with the foundations of mathematics, the objectives of mathematics education, the history of mathematics education in Korea, the psychology of mathematics learning, the theories of mathematics teaching and learning, and the methods of assessment. With respect to the practice, this study examines the background knowledge and activities of numbers and their operation, geometry, measurement, statistics and probability, pattern and function.

• 한국지역사회생활과학회지
• /
• 제24권3호
• /
• pp.355-368
• /
• 2013

This research was performed for examining the differences of experience of sex education and the awareness of sexual abuse according to child's sex and economic background. Also the differences of sex knowledge and sexual consciousness were analyzed according to child's sex, economic background and sex education. Subjects were 425 children from two elementary schools and 10 community child centers in H city, Gyeonggi-do. The results were as follows. First, more girls thought the desirable place for sex education was home and more girls consulted sexual problems with their parents. Children from low economic backgrounds experienced sex education at school and community child centers rather than at home. Second, both boys and girls replied that sexual abuse was due to the attacker's fault but more girls than boys attributed the fault to themselves. Third, girls' sex knowledge grade was higher than boys. Fourth, boys showed a more open attitude toward heterosexual dating, and children with a low economic background showed a higher sex drive. Fifth, a high sex drive was related to low sexual knowledge, openness in dating and high sexual ethics.

• 수산해양교육연구
• /
• 제28권3호
• /
• pp.808-817
• /
• 2016

This study aims at reviewing differences of awareness toward speech-language therapy according to background variables of child-care teachers, and establishing a basic data necessary for special education support programs afterwards based on child-care centers and its characteristics with the results. Researcher carried out a survey by objecting child-care teachers of Chungcheongbuk-do, Korea, and looked into existence of some differences through SPSS 20.0 for Window, independent sample t-Test, ANOVA, Scheffe post verification on background characteristics such as level of education, working career, license grade, whether or not to have objects of speech-language objects in the class. Research results are same as follows. First, significant differences in awareness of child-care teachers toward speech-language therapy appeared from license grade among characteristics like level of education, license grade, whether or not to have objects of speech-language therapy in the class. Second, significant differences were displayed from whether or not to have objects of speech-language therapy in the class among characteristics such as level of education, working career, license grade, and whether or not to have objects of speech-language therapy. When putting these results together, a conclusion could be made such like awareness of child-care teachers toward speech-language therapy and therapists is able to be different a little according to background variables of teachers.

• 농촌지도와개발
• /
• 제11권1호
• /
• pp.1-19
• /
• 2004

The objective of this study was to find a linkage of ideological background between agricultural extension education and lifelong education. This study was conducted by analyzing the studies related to agricultural extension and lifelong education. Review of literature and documents was main methods of this study. The study reviewed and analyzed the concepts, characteristics and ideology of lifelong education, and presented some general characteristics of lifelong education in the context of educational ideology. As a result of the study, the following five characteristics of lifelong education in the context of educational ideology were presented; 1) lifelong education is the supreme concept of education and includes all kinds of education, 2) lifelong education is the future direction of educational ideology and philosophy rather than a kind of educational practice, 3) lifelong education means the security for a right of learning through the entire life-span of an individual, 4) lifelong education has the innovative function of the existing situation of education; viewpoint, contents, and methodology of learning, 5) Lifelong education runs ultimately towards a 'learning society'. Agricultural extension and lifelong education shared the similar ideological background in general, and have the similar basic philosophy. The ideology and philosophy of lifelong education should be reflected into the ideology of agricultural extension to broaden the perspectives of agricultural extension in the future.