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커브형 집적 영상에서 DPM 기반의 비선형 상관기를 이용한 3D 물체 인식 향상
이준재,신동학,이병국,Lee, Joon-Jae,Shin, Donghak,Lee, Byung-Gook 한국정보통신학회 2013 한국정보통신학회논문지 Vol.17 No.1
커브형 집적 영상 기술은 렌즈 배열을 이용하여 3D 영상을 공간에 쉽게 표현할 수 있는 기술이며, 넓은 관측각을 제공한다. 본 논문에서는 커브형 집적 영상에서 물체의 인식 향상을 위하여 다이렉트 픽셀 매핑 (DPM) 방법 기반의 비선형 상관기를 제안한다. 제안하는 비선형 상관기는 커브형 집적 영상 시스템에서 장애물에 가려진 물체로부터 픽업된 요소 영상을 DPM 방법을 통하여 해상도가 향상된 새로운 요소 영상을 생성한다. 새로운 생성된 요소 영상을 사용하여 복원한 3D 영상들과 참조 영상간의 비선형 상호상관을 이용하여 3D 물체의 인식 성능 향상시킨다. 제안된 방법의 유용함을 보이기 위하여 기초적인 상관 관계 실험을 수행하고 기존의 방법과의 비교 결과를 보고한다. Curved integral imaging is a simple method to display 3D images in space using lens array and provides wide viewing angle. In this paper, we propose a nonlinear 3D correlator based on the direct pixel-mapping (DPM) method in order to improve the recognition performance of 3D target object in curving-effective integral imaging. With this scheme, the elemental image array (EIA) originally picked up from a partially occluded 3-D target object can be converted into a resolution enhanced new EIA by using DPM method. Then, through nonlinear cross-correlations between the reconstructed reference and the target plane images, the improved pattern recognition can be performed from the correlation outputs. To show the feasibility of the proposed method, some preliminary experiments are carried out and results are presented by comparing the conventional method.
프랜차이즈 시스템 평가지표의 가중치부여를 통한 평가지표 기준(안)에 관한 연구
이준재(Lee Jun Jae),신홍철(Shin Hong Cheol),안성근(An Seong Geun) 한국외식경영학회 2007 외식경영연구 Vol.10 No.4
The food service industry that has sustained success upon success has been expanded not in quality but in quantity and the most significant driving force in this growth was the induction of the franchise system into the domestic food service field. Franchise system has hindered its qualitative growth although it led the growth of the food service industry and furthermore contributed to industrial development. In the research results, we developed an evaluation(plan) for effective execution from now on by conferring weight and evaluation scores for each index through professional and positive research. It can be used by the government to establish regulations and an evaluation system with regard to the food service business and franchise system. Thus, broadly speaking, it will contribute to the quality growth of the food service industry. There was a limitation in this study owing to a number of problems caused by a lack of prior studies such as a limitation to deprive indicator items, lack of objectivity of the indicators, lack of differences among practical researches by expert groups, limitation in the range of the study.