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전통한과 생산에의 HACCP 모델 적용을 위한 미생물학적 위해도 평가
이제명,박재영,이혜란,이미선,윤선영,정덕화,이종미,오상석,Lee Je Myoung,Park Jae Young,Lee Hye Ran,Lee Mi Seon,Yoon Sun Young,Chung Duck Hwa,Lee Jong Mee,Oh Sangsuk 한국식품위생안전성학회 2005 한국식품위생안전성학회지 Vol.20 No.1
The purpose of this study is to develope a HACCP model for Korean traditional cookies. Prerequisite program and HACCP plan were proposed and analyzed for Yugwa. After analysing hazards of raw material and manufacturing processes, CCP, CL and control methods were presented. Pathogenic microorganisms were detected at the Korean traditional cookies plant. It gave a clue that general sanitation control procedures should be implemented for safe traditional cookie products. Hazard analysis of raw materials and processing of Korean traditional cookies, determination of critical control points and critical limits at the plant lead to present a model of HACCP plan. Implementation of HACCP can be carried out using a HACCP model. Critical control point of Yugwa production were determined as frying process. Biological and chemical hazards were presented for CCP determination.
이제명,이호석 한국정보처리학회 2004 정보처리학회논문지. 소프트웨어 및 데이터 공학 Vol.11 No.5
We propose a novel still image compression system, which is superior in its function than the JPEG2000 system developed by David Taubman. The system shows 40:1 high compression ratio using 2×2 bitmatrix subblock coding. The 2×2 bitmatrix subblock is constructed in the bitplanes by organizing the bits into subblocks composing of 2×2 matrices. The arithmetic coding performs the high compression by the bitmatrices in the subblock. The input of the system consists of a segmentation mode and a ROI(Region Of Interest) mode. In segmentation mode, the input image is segmented into a foreground consisting of letters and a background consisting of the remaining region. In ROI mode, the input image is represented by the region of interest window. The high compression ratio shows that the proposed system is competent among the JPEG2000 products currently in the market. This system also uses gray coding to improve the compression ratio. 본 논문은 David Taubman의 JPEG2000 시스템보다 기능면에서 우수한 비트매트릭스 부호 방식의 정지영상 압축 시스템을 제안한다. 시스템은 서브블록 단위로 비트매트릭스를 구성하여 산술부호화를 수행하여 40:1 이상의 높은 정지영상 압축율을 보여주고 있다. 비트매트릭스 서브블록은 비트평면에 나타나는 비트들을 2×2 비트매트릭스로 파악하여 서브블록을 구성한 것이다. 산술부호기는 구성된 서브블록을 비트매트릭스 단위로 부호하여 압축한다. 시스템의 입력 모드는 분할(Segmentation) 모드와 ROI(Region Of Interest) 모드로 구성된다. 분할 모드는 입력 영상을 문자 부분과 배경 영상 부분으로 분할하여 입력할 수 있게 한다. ROI 모드는 입력 영상을 관심 영역과 그 밖의 영역으로 구분하여 입력할 수 있게 한다. 현재 시스템이 나타내는 높은 압축율은 다른 JPEG2000 시스템들과 충분히 비교할 수 있는 수준이다. 시스템은 그 밖에 그레이 코딩를 수행하여 압축율을 향상시킨다.
이제명 한국농촌계획학회 2016 농촌계획 Vol.22 No.4
On the purpose to analyze the survival rate of startup companies since their establishment, the companies’ survival rate was investigated by surviving period. The average and coefficient of variation(C.V.) of the startup companies’ survival rate were examined with the comparison of urban and rural areas, and primary, secondary, and tertiary industries. In this study, the variation of total numbers of new-established companies, from 1998 to 2012, were analyzed with micro-data of the Statistics Korea, ‘The Census on Establishments’. The results show that the survival rate of primary industry companies largely fluctuate and don’t be stabled during the whole surviving periods, whereas secondary and tertiary industry companies show stabilized survival rate after fifth year from their establishment. Especially, the startup companies of primary industry located at urban areas show the largest fluctuation and the most vulnerable stability of survival rate. It is concluded that the surviving period of primary industry companies don’t guarantee their survival, while survival rate of secondary and tertiary industry company became stable after five years from their establishment.