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도상윤(Sang Yoon Doh),박래홍(Rae-Hong Park) 한국정보과학회 1993 정보과학회논문지 Vol.20 No.7
본 논문에서는 척도공간의 개념을 이용한 새로운 텍스처 영상의 영역화 알고리듬을 제안하였다. 텍스처 영상공간과 영역공간, 그리고 위치집합은 위상공간 (topology space)의 특수한 형태인 척도공간으로 모델링되었다. 척도공간의 모델에 근거한 영역화 기법을 제안하였으며, 다해상도 기법으로의 확장도 고려하였다. 제안한 알고리듬의 효율성을 보이기 위하여, 텍스처영상에 대한 영역화 결과들을 기존의 co-occurrence 행렬기법과 Gauss-Markov random field (GMRF)를 사용하는 기법등과 비교하였다. 텍스처 영상영역화에 대한 모의실험 결과, 주관적 평가와 오류화소 백분률에 의하면 제안된 알고리듬은 기존의 알고리듬에 비해 우수한 성능을 나타내었다. 또한 다해상도 기법으로의 확장도 효율적임을 보였다. This paper proposes a new texture segmentation algorithm using a metric space concept. The texture image space, region space, and coordinates space are modeled in term of the metric space, a special form of the topology space. A segmentation technique based on the metric space modeling is proposed and its multiresolution extension is also presented. To show the performance of the proposed algorithm, its segmentation results for texture images are compared to those of the conventional methods such as the co-occurrence matrix method and the Gauss-Markov random field (GMRF) method. Computer simulation shows that the proposed algorithm gives better performance than the conventional ones based on the subjective evaluation and the probability of error measure. Also the multiresolution extension is observed to be effective.
텔넷(Telnet) 프로토콜상에서의 이진자료 전송방식에 대한 연구
도상윤(Doh Sang Yoon),유관희(Kwan-Hee Yoo),최진호(Jin Ho Choi) 한국정보과학회 1995 한국정보과학회 학술발표논문집 Vol.22 No.2B
본 논문에서는 TCP/IP를 기반으로 하는 네트워크 상에서 이진자료의 전송이 불가능한 가상터미널 프로토콜인 텔넷 프로토콜을 수정하여 이진자료의 전송이 가능할 수 있도록 하는 방식을 제시한다.
도상윤 ( Sang Yun Do ) 대구사학회 2015 대구사학 Vol.121 No.-
A distinctive early period in Volkswagen history began by the Third Reich’s project is regarded as a successful result among the effort of rationalization in german auto industry since the 1920s. And also Volkswagen is related to a question of break or continuities from Nazis legacy because the plant and automobile model ㅇdesign is established under the nazi government. therefore, Volkswagen’s early history can be related with the question of Nazi modernization continued for a long time. By the fordist effect in the 1920s, west europe carried on a rationalization program through a transformation of Fordism in accordance with each nation’s condition. In case of Germany, however, could never proceed the rationalization in terms of a business including a continued economic crisis after World War Ⅰ. thus Germany could’t get a successful result of industrial rationalization except for a part of company’s trial in the development of compact car. Under a Nazi germany in the 1930s, Volkswagen-Project is regarded as a tool of elimination of discrimination and division among the inside the german society. On the other hand, RDA, German automobile associate, has tried to the project on the point that it had been never considered in terms of a economic condition. In this situation, it is Ferdinand Porsche’s development effort in the car design and a Deutsche Arberitsfront’s take over of the control about Volkswagen from RDA that a developing the car model and establishing the plant could be succeed. Nevertheless, Volkswagen project was failure as a result. ‘a car for the people’ insisted by the Nazi could barely produced under Third Reich, german automobile industry was still interested not in the production of people’s car but in an profit optimization. Porsche, in the same manner, participated in the project for his longtime dream, the production of compact car. therefore, it is possible to find out a real Volkswagen, in terms of a car for the people, was not exist under the Nazism.