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Cross Cultural Study on Behavioral Intention Formation in Knowledge Sharing
박기우,이주민,이진유 한국경영정보학회 2010 Asia Pacific Journal of Information Systems Vol.20 No.3
The implementation of Knowledge Management Systems does not guarantee knowledge sharing within organizations because knowledge sharing cannot be mandated. Although previous investigations have attempted to identify the motivational factors that facilitate knowledge sharing, the results of these studies cannot be easily applied across organizations due to the highly context‐specific nature of knowledge sharing. Societal culture, as well as organizational culture, affects knowledge sharing behavior. This is why successful knowledge sharing initiatives in the United States, for example, may prove ineffective in another country with a very different culture like China. Therefore, it is clearly important to understand the effects of different societal cultures on individuals’ knowledge sharing behaviors. The principal objective of this study is to deepen our understanding about the impact of national culture on an individual's knowledge sharing intention. In order to achieve this goal, field data was collected from 197 employees from a variety of companies and organizations in two countries-Sweden and China. In a collectivistic culture such as China, anticipated reciprocal relationships have been shown to directly affect individuals’ attitudes toward knowledge sharing, and the organizational climate has also been shown to affect subjective norms to a significant degree. Subjective norms can influence intentions to share knowledge indirectly through attitudes. In the highly individualistic culture of Sweden, one’s sense of self‐worth and anticipated reciprocal relationships have been shown to profoundly affect individuals’ attitudes towards knowledge sharing. In both countries, anticipated extrinsic rewards have been shown to exert no detectable effects on respondents' knowledge sharing attitudes, and subjective norms and organizational climate have been de-termined not to affect knowledge sharing intentions directly. Rather, in both cases, knowledge sharing intentions have been shown to be directly affected by attitude.
퍼지 클러스터링 기반 개선된 Fuzzy Binarization 기법을 이용한 세라믹 영상에서의 결함 추출
최철호(Cheol Ho Choi),이진유(Jin Yu Lee),박헌성(Heon Sung Park),김광백(Kwang Baek Kim) 한국컴퓨터정보학회 2019 한국컴퓨터정보학회 학술발표논문집 Vol.27 No.1
본 논문에서는 X-Ray 영상에서 용접한 부분의 기공이나 균열 등의 결함 영역을 추출하는 새로운 방법을 제안한다. 제안된 방법은 세라믹 X-Ray 영상에서 비등방성 확산 필터를 적용하여 영상의 잡음을 제거하고, 수직 및 수평 히스토그램을 각각 적용하여 용접 영역을 추출한 후, 최소 자승법을 적용하여 배경 밝기를 제거하고, 사다리꼴 형태의 Fuzzy Stretching기법을 적용하여 명암 값을 강조하여 결함 영역과 그 외의 영역간의 명암 대비를 강조한다. 그리고 Fuzzy C_Means 알고리즘을 적용하여 결함 영역을 세분화한 후, Fuzzy C_Means을 적용하여 생성된 클러스터들의 중심 명암 값을 이용하여 α_cut을 설정한 후에 임계구간을 구하고 영상을 이진화하여 최종적으로 결함 영역을 추출한다. 제안된 방법의 결함 추출 성능을 확인하기 위하여 세라믹 X-Ray 영상을 대상으로 실험한 결과, 기존의 방법보다 결함 영역이 정확히 추출되는 것을 확인할 수 있었다.