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권용대,김관후 충남대학교 농업과학연구소 2005 농업과학연구 Vol.32 No.1
This study was focused on analyzing the impacts of e-commerce on the farmer's management behavior and suggesting alternatives for the development of e-commerce in agricultural industry. For this study, survey was conducted for 24 farmers who sell agricultural products through e-commerce in Chungnam province. The results of study are as follows; First, farmers have changed their management practices in terms of production, marketing and processing by using the information of consumers' preferences while doing e-commerce business. Second, farmers have attempted to differentiate their product through product brand and customer relationship marketing, because they recognized the importance of developing marketing techniques adapted to e-commerce system for more revenues. Third, if quality certification system of agricultural products is introduced under e-commerce, farmers would use it for their environmentally sounded farming because they expect to increase their income. Fourth, 75% of the farmers sold their product at retail price. It means that e-commerce farmers act as a price maker rather than price taker at e-commerce market, who will be encouraged to have larger business size resulting in more added value. Based on the results of study, we suggest that there should be reduction of service charge for credit card, and encouragement of B2B transaction for the economy of scale and introduction of quality certification system so as to establish e-commerce system of agricultural industry as soon as possible.
Gwan-Hyung Kim,Oh-Hyun Kwon,Sung-Dae Kim 한국정보통신학회 2015 2016 INTERNATIONAL CONFERENCE Vol.7 No.1
Currently many companies producing plastic parts of car consume time to detect the defectives. They also just depend on eyesight of engineer whenever they try to inspect the defectives. In this paper, we will study and suggest the image processing system which can inspect the scratch of the plastic parts in place of human eyesight. Currently, various type of car model have been released depending upon the needs of customer. Plastic parts for the car are developing in various shapes, and become more complicated in their manufacturing procedure. Inspection equipment is also needed for the reduction of defective plastic products. However, it is difficult to make automatic inspection system of plastic parts, most of them are depending on eyesight of engineer. Thus we try to develop automatic inspection system via vision system that can detect the defects of plastic products. This vision based inspection system can detect various type of defects on plastic products of cars and can improve the manufacturing process to reduce defect rate after analyzing data that caused the defect. We will study the defect detection algorithm thru monitoring vision system and develop the defect detection system for the plastic products.
Oversampling Expansion in Wavelet Subspaces
KWON, Kil Hyun,LEE, Dae Gwan The Institute of Electronics, Information and Comm 2011 IEICE transactions on fundamentals of electronics, Vol.ea94 No.5
<P>We find necessary and sufficient conditions for the (shifted) oversampling expansions to hold in wavelet subspaces. In particular, we characterize scaling functions with the (shifted) oversampling property. We also obtain <I>L</I><SUP>2</SUP> and <I>L</I><SUP>∞</SUP> norm estimates for the truncation and aliasing errors of the oversampling expansion.</P>
Band-Limited Scaling Functions with Oversampling Property
KWON, Kil Hyun,LEE, Dae Gwan,YOON, Jungho The Institute of Electronics, Information and Comm 2012 IEICE transactions on fundamentals of electronics, Vol.95 No.3
<P>We give characterizations of stable scaling functions with compact band regions, which have the oversampling property.</P>