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GLVQ클러스터링을 위한 필기체 숫자의 효율적인 특징 추출 방법
전종원,민준영,Jeon, Jong-Won,Min, Jun-Yeong 한국정보처리학회 1995 정보처리논문지 Vol.2 No.6
The structure of a typical pattern recognition consists a pre-processing, a feature extraction(algorithm) and classification or recognition. In classification, when widely varying patterns exist in same category, we need the clustering which organize the similar patterns. Clustering algorithm is two approaches. Firs, statistical approaches which are k-means, ISODATA algorithm. Second, neural network approach which is T. Kohonen's LVQ(Learning Vector Quantization). Nikhil R. Palet al proposed the GLVQ(Generalized LVQ, 1993). This paper suggest the efficient feature extraction methods of handwritten numerals in GLVQ clustering network. We use the handwritten numeral data from 21's authors(ie, 200 patterns) and compare the proportion of misclassified patterns for each feature extraction methods. As results, when we use the projection combination method, the classification ratio is 98.5%. 패턴인식은 전처리, 특징추출, 식별의 과정을 거쳐 인식을 하게된다. 식별과정 에서 여러개의 패턴이 흩어져 있을 경우에 유사한 패턴끼리 클러스터링을 위하여 한 카테고리 내에서 패턴을 분할하게 된다. 클러스터링 방법에는 통계적인 방법으로 k-means 방법, ISODATA알고리즘등이 있으며〔1〕, 최근에는 신경망에 의한 클러스터링 방법으로 T, Kohonen의 LVQ(Learning Vector Quantization)가 주로 이용되었다〔6〕. Nikhil R, Pal. et al은 LVQ알고리즘을 보다 개선한 방법으로 GLVQ(Generalized LVQ, 1993)를 제안하였다〔4〕.본 논문은 GLVQ 알고니즘으로 패턴을 클러스터링 할 경우에 효율적인 특징추출 방법을 제안한다. 본 논문에서는 20명의 필기체 숫자 0에서 9까지 의 200개 패턴을 여러 가지 방법으로 특징 추출하여 GLVQ알고리즘으로 10개(0-9의 패턴) 의 클러스터로 구분하고, 해당 클러스터에서 오분류되는 패턴의 비율로서 그 효율성을 비교 하였다. 그 결과 투영조합 방법을 이용하였을 경우 98.5%의 분류율을 나타내었다.
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전종원(Jong Won Jun) 한국여가레크리에이션학회 1999 한국여가레크리에이션학회지 Vol.16 No.-
This study was performed to know what extent the rate of satisfaction for the league bowling alley facility and service and to run the bowling alley efficiently to find out the service arid facility which necessary for the bowling alley. Also this study was for the supplies of the data for making bowling leisure into sports and necessary for the enlargement of the lowest stratum of the bowler. The object of study was the league bowler`s who played the bowling regularly in the 260 bowling alleys. Their trait is the following. 430 (53.8%) people were the males and 370 (46.3%) people were females, 333 (41.6%) people were the unmarried and 467 (46.7%) was the married. 345 (43.1%) people were in their thirties, 262 (32.8%a) people were in their twenties. 235 (23.9%) people were the housewife, 128 (16.0%) people were the office worker and 95 (11.9%) people was the independent enterprise. With regard to the school career 298 (37.3%) people the high school graduate, 211 (26.4%) people were the college graduate, 233 (29.1%) people were the university graduate and 32 (4%) people were to the graduate school, 26 (3.25%) people were the rest. And their career ranged from one year to eight years. The bowling level ranged from 130 standard scare to 200. The level of income ranged from 450,000 won to 1,530,000. The rate of expectation satisfaction for the league bowler`s bowling alley facility and service is following. The employee`s attitude of service, the condition ref heating and cooling, parking lot, the condition of lane arrangement, the cleanness of facility, the discount sales of games, the convenience of general facility, the necessary tume of lane arrangement appeared very good. Their rate of expectation satisfaction ranged from 4.06 to 4.40. The variety of convenience, the condition of game progress, the viewing of game appeared not bad. Their rate of acknowledgement satisfaction ranged from 3.73 to 3.95. The cleanness of bathroom, the information of game, the convenience of store is relatively bad. Their rate of acknowledgement satisfaction ranged from 3.64 to 3.76.
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실내골프연습장 시설과 서비스에 대한 회원들의 기대만족도
전종원(Jong Won Jun) 한국여가레크리에이션학회 2006 한국여가레크리에이션학회지 Vol.30 No.2
This study was performed to know what extent the rate of satisfaction for the golf training facility and service and to run the golfer efficiently to find out the service and facility which necessary for the golf training facility. Also this study was for the supplies of the data for making golf leisure into sports and necessary for the enlargement of the lowest stratum of golfer. First of all, It was showed a high of a demographic factors and attended feature factors by expectation satisfaction. Second, The clients of male are much than those of female in the side of populations and sociological characteristics. and then, high educated are found to have high rate in using the golf practice fields. Third, It was showed a significant difference of attended feature factors and expectation satisfaction factors of at an effect`s difference of satisfaction Scale by scholarship, career, level.
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