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이대선 ( Dae Sun Lee ),엄기문 ( Gi Mun Um ),이쾌희 ( Kwae Hi Lee ) 大韓遠隔探査學會 1995 大韓遠隔探査學會誌 Vol.11 No.2
This paper presents reconstruction of disparity in images. To achieve this, the algorithm was made up of two different procedures-one is extraction of boundaries for man-made structures and the other is matching of the structures. In the extraction of boundaries for man-made structures, we assume that man-made structures are composed of lines and the lines make up closed polygon. The conventional algorithms of the edges extraction may not perceive man-made structures and have problems that matching algorithms were too complex. This paper proposed sub-pixel boundaries extraction algorithm that fused split-and-merge and image improvement algorithms to overcome complexity. In matching procedure, feature-based algorithm that minimize the proposed cost function are used and the cost function considers movement of mid-points for left and right images to match structures. Because we could not obtain disparity of inner parts for the man-made structures, interpolation method was used. The experiment showed good results.
Ergo-oxyscreen을 이용한 국민체조의 운동강도와 에너지 소모량 연구
이규동 ( Kyu Dong Lee ),이대선 ( Dae Sun Lee ) 건국대학교 교육연구소 1993 교사와 교육(구 교육논집) Vol.17 No.-
The results of analysis about the exercise capacity and energy consumption of National Gymnastics for Dept. of physical education of 18 female students are as follow. 1. The maximal H. R of National Gymnastics increased to 131.1 + 20.9 beat / min and to 38.70%, there is a significan (P<0.05). 2. The maximal VO2max of National Gymnastics increased to 16.061 + 3.718ml/Kg and to 82.77%, there is a significance (P<0.05). 3. The MET of National Gymnastics increased to 4.556 + 0.885 and to 82.417%, there is a significance (P<0.05).
Platform 기반의 임베디드 시스템 가상 프로토타이핑
이영란 ( Young-ran Lee ),이정배 ( Jeoung-bae Lee ),이대선 ( Dae-sun Lee ),정영진 ( Young-jin Jeoung ),( Kang-woo Han ) 한국정보처리학회 2005 한국정보처리학회 학술대회논문집 Vol.12 No.2
현재 디지털 기술의 핵심인 임베디드 시스템은 2010년 국민소득 2만불 달성이라는 국가 발전 목표의 실현을 위한 핵심 산업으로 2003년 8월 10개 신성장동력 산업의 핵심육성 분야로 선정되었다. 하지만, 특수한 목적을 위한 다양한 임베디드 시스템은 개발 및 유지 보수 비용과 개발 기간이 장기화 됨으로써 시장경쟁력 약화의 원인이 된다. 본 논문에서는 임베디드 시스템의 신뢰성 있는 개발을 위한 방법으로 가상프로토타이핑을 제안한다. 소프트웨어와 하드웨어로 각각 구현될 도메인을 선정하여 플랫폼 라이브러리에 등록되고 통합된 시뮬레이션을 통한 검증을 수행함으로써 제조 공정이 다른 여러기능의 블록을 집적하는 기술을 가상플랫폼을 기반으로 가상프로토타이핑한다.
이장호,이남주,이대선 韓國國際經營學會 1993 國際經營硏究 Vol.4 No.1
본 연구는 한국과 일본 기업의 경쟁우위의 원천을 파악하고 이를 상호비교함으로써 우리기업의 경쟁우위개발에 관한 시사점을 도출하고자 한다. 한국과 일본기업간에 경쟁우위상에 차이가 있는지 여부를 알아보기 위하여 실시한 t검증결과 일본기업의 Tobin`s q의 크기는 한국기업의 그것의 약2배에 달한다. 個別變數들을 독립변수로 한 회귀분석의 결과는 한국기업의 경우에는 재무지표를 중시하는 것과 구성원들을 비용으로 취급하지 않고 자산으로 보는 것이 경쟁우위에 정의 영향을 미친다는 것을 시사한다. 일본기업의 경우에는 근로자의 제안을 경영에 잘 반영하며 상표를 중시하는 것이 일본기업의 경쟁우위에 정의 영향을 미친 다는 것을 시사한다. 한편 요인분석결과를 보면 한국과 일본기업은 공통적인 경쟁방법들을 사용하고 있는 것이 사실이지만 일본기업들의 경우에는 환경분석과 부품업체와의 협력이라는 한국기업들이 일견 등한시 하는 경쟁방법도 사용하고 있다. 요인분석에서 추출된 요인들을 독립변수로 사용한 회귀분석은 한국기업의 경우에는 직원들을 자산으로 보는 것이 경쟁우위에 정의 영향을 미치며 일본기업의 경우에는 우리의 예상과는 달리 부품업자들과 협력 하는 것이 경쟁우위에 負의 영향을 미친다는 것을 시사한다. ㅣ
池海成,李大善 弘益大學校 科學技術硏究所 1999 科學技術硏究論文集 Vol.10 No.1
Rapid prototyping can fabricate physical models directly from the CAD models. Since actual production of a physical model using traditional techniques has been quite expensive, a prototyping apparatus like Stereolithography can recently be used to get physical verification of a product design rapid and economic. This, however, still costs some expenses enough to take an interest in more economic methods, visual simulation techniques. Development of an intermediate geometric model of the product design and careful inspection of its virtual shape before the real fabrication take no physical cost. In this paper we propose an image simulation method especially for supporting an rapid prototyping application. The method can demonstrate its capability of image simulation by comparing the simulated images with their physical models.
Ergo-oxyscreen을 이용한 국민체조의 운동강도와 에너지 소모량 연구
이규동,이대선 建國大學校 敎育硏究所 1993 論文集 Vol.17 No.-
The results of analysis about the exercise capacity and energy consumption of National Gymnastics for Dept. of physical education of 18 female students are as follow. 1. The maximal H. R of National Gymnastics increased to 131.1 + 20.9 beat/min and to 38.70%, there is a significan (P<0.05). 2. The maximal VO_2max of National Gymnastics increased to 16.061 + 3.718ml/Kg and to 82.77%, there is a significance (P>0.05). 3. The MET of National Gymnastics increased to 4.556 + 0.885 and to 82.417%, there is a significance (P<0.05).
이대선,이동옥 建國大學校 敎育硏究所 1991 論文集 Vol.15 No.-
These results were analyzed aerobic capacity power and blood lactate concentration of before and after exercise with Rhythmic Sportive Gymnastic Player. These were measured respiratory gas analysis blood lactate concentration by gradual increment treadmill exercise test to all out with rhythmic sportive gymnastics players (n = 7) and general female collegians (n = 8)in S-university. The results are summerized as follows: 1. The V˙ O_2max. ㎖/㎏ of rhythmic sportive gymnastics players appeared 51.98 ± 2.3 ㎖/㎏, according to gradual increment treadmill exercise method. But in case of general female collegians, the Vo max was calcurated 42.74 ± 3.11 ㎖/㎏. Two groups showed significant difference statistically(P<.001). 2. Anaerobic threshold levels showed that rhythmic sportive gymnastics players remained 34.83 ± 1.24 ㎖/㎏ and general female collegians were measured 29.41 ± 2.02㎖/㎏. Two groups appeared significant difference statistically(P<.001). 3. The maximum of blood lactate concentration showed that rhythmic sportive gymnastics players were calibrated 9.08 ± 2.19 mmoles/ ℓ and general female collegians were measured 8.05 ± 1.05 mmoles/ ℓ. Two groups seem to be different statistically(P<.05). 4. The blood lactate concentration recovery rate in 15-minute rest after achieving gradual increment treadmill exercise method to all out showed rhythmic sportive gymnastics players recovered faster than general female collegians did, as 37.14% and 23.44% respectively. Two groups appeared significant difference statistically(P<.001). According to these results, the critical contents in the time of training of rhythmic sportive gymnastics players are the exercise should be at the state which maximum blood lactate concentration accumulated over 9 mmoles and in addition, if we should study abreast with the field of anaerobic power afterwards, we would present lost of matterials for the future.