• Journal of Information Technology Applications and Management
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• 제25권2호
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• pp.41-52
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• 2018

This paper presents a method for accurate camera self-calibration based on SIFT Feature Detection and image quality assessment. We performed image quality assessment to select high quality images for the camera self-calibration process. We defined high quality images as those that contain little or no blur, and have maximum contrast among images captured within a short period. The image quality assessment includes blur detection and contrast assessment. Blur detection is based on the statistical analysis of energy and standard deviation of high frequency components of the images using Discrete Cosine Transform. Contrast assessment is based on contrast measurement and selection of the high contrast images among some images captured in a short period. Experimental results show little or no distortion in the perspective view of the images. Thus, the suggested method achieves camera self-calibration accuracy of approximately 93%.

• 한국정보통신학회논문지
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• 제21권8호
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• pp.1553-1559
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• 2017

본 논문은 자동차 전방에 장착된 단일 카메라를 이용한 차선 이탈 검출 알고리즘을 제안한다. 제안된 알고리즘은 카메라에 의해 취득된 영상으로부터 top-view 공간에 지정된 작은 관심 영역을 위한 부분 top-view 영상을 생성하고, 작은 부분 top-view 영상에서 차선을 검출하고, 미리 지정된 가상 자동차와 검출된 차선들의 겹침을 조사해 차선 이탈을 결정한다. 또한 제안된 알고리즘은 차선 사이에서 차선 이탈 검출을 방해하는 도로 표기 (잡음)에 의한 직선들의 제거와 이전 프레임의 차선 정보를 이용한 손실된 차선의 예측을 포함한다. 실제 주행 동영상을 이용한 차선 이탈 검출 실험에서 제안된 알고리즘은 차선 유지 상태에서 99.0%, 차선 이탈 상태에서 94.7%를 정상적으로 검출한다.

• 한국심리학회지 : 문화 및 사회문제
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• 제14권4호
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• pp.19-37
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• 2008

본 연구에서는 수년 동안 악화돼온 청년실업 문제가 개선되지 않고 있는 상황에서 부정적인 취업전망과 같은 사회인지 요인이 대학생의 삶의 목표 구성에 어떤 영향을 미치며, 그들의 자아관, 현실관, 미래관 및 삶의 만족도와는 어떤 관계에 있는지 살펴보고자 하였다. 이를 위해서 '삶의 목표와 만족도 검사 FLL' 및 지각된 취업전망에 관한 질문을 통한 조사를 서울과 경기도 소재의 3개 종합대의 239명의 남녀 대학생들을 대상으로 실시하였다. 결과로서 FLL의 총 34개 문항의 영역별 삶의 목표들은 요인분석에 의해서 6개 상위 목표, 즉 자기애적 목표, 가족애/대인적 목표, 개인-경제적 목표, 사회공익적 목표, 도덕적 목표, 정치. 이념적 목표로 분류되었다. 조사된 전체 집단은 군집분석 결과 취업전망이 서로 다르며, 취업전망이 긍정적일수록 목표가 더 충족된 것으로, 또한 목표를 이루는 자신의 효능감이 더 높으며 아울러 영역별 삶의 목표에서 더 만족하는 것으로 나타나는 총 3개의 집단 프로파일을 나타냈다. 취업전망에 따른 집단 간의 특성 차이를 유리한 또는 불리한 취업전망의 두 집단으로 구분한 뒤, t-검증을 통하여 비교해보았을 때는, 이들 두 집단 간에는 청년실업인지도 및 성별, 나이, 학년과 같은 인구통계학적 요인에 있어서는 유의한 차이가 없었다. 그러나 불리한 취업전망의 집단은 가족애/대인적 목표, 개인-경제적 목표, 사회공익적 목표 영역에서 유리한 취업전망의 집단보다 목표들을 유의하게 더 중요한 것으로 인지하였다. 반면 이들은 가족애/대인적 목표 영역을 제외하고는 비교집단에 비해 목표들이 유의하게 덜 이루어졌다고 판단했으며(부정적 현실관), 자기애와 도덕적 목표 영역을 제외한 4개의 영역에서 목표를 이룰 능력이 자신들에게 더 적게 있다고 평가했다(부정적 자기효능감). 이들은 또한 삶의 만족도에서는 가족애/대인적 목표, 그리고 도덕적 목표 영역을 제외하고 4개의 전 영역에서 비교집단에 비해 유의하게 덜 만족하는 반응을 나타냈다. 그러나 미래관에 있어서는 두 집단 간에 유의한 차이는 없었다. 연구결과와 함께 취업전망의 문제를 중요한 사회인지적 요인으로 다루어야 하는 이유가 논의되었다.

• 유통과학연구
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• 제18권9호
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• pp.55-65
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• 2020

Purpose: The research aims to examine whether perception about busyness can affect the way people view themselves and then make an impact on purchase decision-making. Based on a proposed theoretical framework, the current research examines whether or not perception about busyness affects perceived self-worth and has an impact on impulsive buying. Research design, data, and methodology: The paper conducted a survey in which two scenarios are used for manipulating degree of busy mindset. For analyzing data, analysis of variance and regression analysis are applied, in conjunction with analysis of moderating effects. Results: Busy mindset has a positive effect on perceived self-worth. The effect of busy mindset on perceived self-worth is greater in the group of high perceived social mobility. In the category of hedonic products, perceived self-worth has a positive effect on impulsive buying intention. Conclusions: These results imply that a sense of self-worth can affect impulsive buying behavior on the basis that people sometimes buy things on impulse as a way of self-indulgence or self-reward for their efforts. Managerial implications of the results suggest a busy appeal to consumers would be more effective for hedonic products.

• 대한물리의학회지
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• 제7권4호
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• pp.493-500
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• 2012

PURPOSE: The purpose of this study was to investigate effect of self-controlled feedback on proprioception in elbow flexion. METHODS: Thirty young adult volunteered to participate and were randomly assigned to one of three groups (self-controlled, yoked, control). Power and velocity in elbow flexion was measured by PRIMUS RS (BTE Tech., Hanover, U.S.A). Statistical analysis was used multivariate ANOVA to know effect of self-controlled feedback on proprioception in elbow flexion. Post hoc was used Scheffe. RESULTS: In acquisition phase to practice effect, variable errors in self-controlled group was significantly low scored more than yoked and control group. In retention phase to learning effect, variable errors in self-controlled group was significantly low scored more than yoked and control group. CONCLUSION: Self-controlled feedback was more effective on movement control when the learner could make a decision about receiving feedback after the trial. This seems to support the view that self-controlled feedback benefits learning, because learners can make a decision about feedback based on their performance on a given trial.

• 한국간호교육학회지
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• 제8권1호
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• pp.108-119
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• 2002

This paper as the basic study aiming the establishment of nursing theory according to Korean culture, is made to reveal the types of recognition about concepts of health immanent in Korean who have the health view, completely mixed with traditional oriental medicine and Confucianism and Buddhism and Shamanism and european scientific medicine, etc. This paper is using the Q-method, which is greatly effective in measuring the individual subjectivity, to collect rightly the concepts of health of objects. This analysis shows us the 4 types of recognition about concepts of health immanent in Korean as follows. Type Ⅰ: modern self-searching type(現代的 自己 追求型), Type Ⅱ: nature-sharing type(自然 共有型), Type Ⅲ: meaning-intentional altruism(意味 指向的 他者 中心型), Type Ⅳ: oriental adaptational type(東洋的 順應型). The men belonging to type Ⅰ have positive and self-searching view of health. They are not only interpreting the concept of health scientifically, but also positively accepting the oriental concept of health. The men belonging to type Ⅱ have strong tendency of down-to-earth. They not only have the naturalistic view of health as Taoist, but also carry the weight in the family and neighbour and regard co-sharing as excellent virtue. The men belonging to type Ⅲ are positive altruists, pursuing the meaning of life and at the same time setting the importance to the good value system. Naturally they care more the family and neighbour than themselves. The men belonging to type Ⅳ have oriental view of the world characterized by nature-adaptation. They positively agree to the Shamanism, Buddhism, Confucianism and Oriental concept of health. In conclusion, in all types we can see that Korean understand the harmony of man and nature as fundamental principle of heath and carry the more importance to the mind(心) than body(身) and at the same time esteem more the family-centric, oriental and organic community than individual. All above facts is immersed in the concepts of health of Korean as a common denominator.

• 제어로봇시스템학회:학술대회논문집
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• 제어로봇시스템학회 1997년도 한국자동제어학술회의논문집; 한국전력공사 서울연수원; 17-18 Oct. 1997
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• pp.1597-1600
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• 1997

Most autonomous mobile robots view things only in front of them. As a result they may collide against objects moving from the side or behind. To overcome the problem we have built an Active Omni-directional Range Sensor that can obtain omni-directional depth data by a laser conic plane and a conic mirror. Also we proposed a self-localization algorithm of mobile robot in unknown environment by fusion of Odometer and Active Omn-directional Range Sensor.

• 영어어문교육
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• 제5호
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• pp.63-78
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• 1999

In this paper, I explain why local obviation (Condition B of Chomskys binding theory) should be viewed as a relative phenomenon, and establish a correlation between Local Obviation (henceforth LO) effects and the Referential Hierarchy of Korean anaphors proposed in Lee (1997): ku (he) > caki (self) > casin (self) > cakicasin (selfself) = selo (each other). I show that LO characterized as a relative phenomenon may enable us to view Conditions B and C of the binding theory simply as an instantiation of varying degrees of (long distance) disjoint reference effects on the same continuum.

• 대한전기학회논문지
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• 제37권12호
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• pp.879-883
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• 1988

In this paper, self tuning control of interconnected systems are dealt in view point of large scale system control. The plant model is given in MIMO ARMA procss. This process is simlified as independent SISO ARMA processes having offset terma, which are considered as effects of interconnections. In each decentralized system, self tuning controller with instrumental variable method is adopted. As a result, this algorithm enables the paramter estimation to be unbiased and non-drift. This controller contains a new implicit offset rejection technique. Simulation results consider well with the analysis in case of linear interconnection.

• 가정간호학회지
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• 제22권2호
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• pp.228-236
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• 2015

Purpose: This descriptive study investigated the relation between nursing students' emotional intelligence and self-esteem. Methods: A cross-sectional descriptive study was employed. The subjects were 323 students from a nursing college in B City. Data were collected using questionnaires on emotional intelligence and self-esteem from October to December, 2014. Results: The nursing students scored 3.61 out of 5 in emotional intelligence and 2.92 out of 4 in self-esteem. There were significant differences between emotional intelligence and self-esteem according to age, gender, daily life stress, satisfaction with the nursing major, learning stress, subjective academic achievement, and peer relationships. Emotional intelligence also showed significant differences in accordance with the motivation to choose the nursing major and the field in high school. Positive correlations were observed between emotional intelligence and self-esteem in nursing students. Conclusions: Based on those findings, it is necessary to develop and apply an array of educational programs to help nursing students improve their emotional intelligence and self-esteem throughout the college curriculum. These efforts will also be effective in building their satisfaction with the nursing major and view of nursing profession.