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시계열 매칭 기반의 윤곽선 이미지 매칭 시스템 설계 및 구현
김범수,문양세,김진호 강원대학교 정보통신연구소 2008 정보통신논문지 Vol.12 No.-
In this paper we exploit time-series matching for boundary image matching. The motivation is based on that images can be converted to time-series. Thus, we implement a boundary image matching system using time-series matching techniques. We use an index-based matching method that efficiently performs boundary image matching. We implement our boundary matching system as a client-server model. Experimental results show that our index-based method outperforms the sequential scan by one to three orders of magnitude. Our system is practically implemented for image matching through the appropriate techniques in the time-series domain, and we thus believe that our approach can be widely used in image matching areas.
준거집단이 미치는 정보제공적 영향과 규범적 영향 그리고 비교 영향의 상대적 효과에 관한 연구
김세범 慶尙大學校 1996 論文集 Vol.35 No.1
A survey was conducted to clarify the nature of product characteristics and reference group influence. Eight products were chosen for the study based on the criteria such as product conspicuousness, product perceived risk and product social involvement. One hundred twenty subjects were requested to rate the informational influence, normative influence and comparative influence of reference group for each of eight products, The data supported most of the hypotheses proposed. The more conspicuous a procuct, is the greater the influence of reference group is. The higher the perceived risk, the greater the influence of reference group group is. this is also the same with the social involvement of a product. As for the relative power of the reference group, the hypotheses were partially accepted. In case of tcghnically complex products such as radio, walkman and motorcycle, informational influence of a reference group was greater than those of comparative or noumative influence.
羅泳燦,廉範愚,金世民 고려대학교 의과대학 1984 고려대 의대 잡지 Vol.21 No.1
To evaluate the binding reactions of various phytohemagglutinins (PHAs) on the gastric carcinoma cells, the author had undertaken an experiment using purified PHAs, such as Concanavalin A(Con-A), wheat germ agglutinin(WGA), soybean agglutinin(SBA), Dolichos biflorus agglutinin(DBA), Ulex europaeus agglutinin I (UEA I), peanut agglutinin(PNA), Ricinus communis agglutinin I (RCA I), and Pinellia ternata agglutinin(PTA). The tissue samples used were gastric tissue from subtotal gastrectomy or fiberoptic biopsy, diagnosed by pathologists as well differentiated adenocarcinoma and poorly differentiated adenocarcinoma signet-ring cell type adenocarcinoma, and dysplasia. The results obtained are as follows; 1. On the well-differentiated adenocarcinoma, all the PHAs except UEA I showed cytoplasmic granular reactions of the tumor cells and linear reactions along the intraluminal borders of the tumor glands. 2. On the poorly differentiated adenocarcinoma, RCA I and UEA I showed cytoplasmic reactions, and other PHAs showed variable reactions from positive to focal positive. 3. In signet-ring cell carcinoma, PNA, SBA, RCA I and UEA I showed weak reactions in the cytoplasm. 4. On the dysplastic cells, Con-A, WGA, PNA, RCA I and PTA showed cytoplasmic reactions and SBA, UEA I and DBA showed no reaction. With the above results, the binding of PHAs on the tumor cells of the stomach reveled variable patterns, depending on the degree of differentiation and the kinds of PHAs used.
Kim, Sun-Jung,Lee, Jae Kyoo,Kim, Jin Won,Jung, Ji-Won,Seo, Kwangwon,Park, Sang-Bum,Roh, Kyung-Hwan,Lee, Sae-Rom,Hong, Yun Hwa,Kim, Sang Jeong,Lee, Yong-Soon,Kim, Sung June,Kang, Kyung-Sun Chapman and Hall ; Kluwer Academic Publishers 2008 Journal of materials science, Materials in medicin Vol.19 No.8
<P>Stem cell-based therapy has recently emerged for use in novel therapeutics for incurable diseases. For successful recovery from neurologic diseases, the most pivotal factor is differentiation and directed neuronal cell growth. In this study, we fabricated three different widths of a micro-pattern on polydimethylsiloxane (PDMS; 1, 2, and 4 microm). Surface modification of the PDMS was investigated for its capacity to manage proliferation and differentiation of neural-like cells from umbilical cord blood-derived mesenchymal stem cells (UCB-MSCs). Among the micro-patterned PDMS fabrications, the 1 microm-patterned PDMS significantly increased cell proliferation and most of the cells differentiated into neuronal cells. In addition, the 1 microm-patterned PDMS induced an increase in cytosolic calcium, while the differentiated cells on the flat and 4 microm-patterned PDMS had no response. PDMS with a 1 microm pattern was also aligned to direct orientation within 10 degrees angles. Taken together, micro-patterned PDMS supported UCB-MSC proliferation and induced neural like-cell differentiation. Our data suggest that micro-patterned PDMS might be a guiding method for stem cell therapy that would improve its therapeutic action in neurological diseases.</P>
Kim, Sae-Hoon,Kim, Tae-Wan,Kwon, Jae-Woo,Kang, Hye-Ryun,Lee, Yong-Won,Kim, Tae-Bum,Kim, Sang-Heon,Park, Heung-Woo,Park, Sung-Woo,Chang, Yoon-Seok,Cho, You-Sook,Park, Jung-Won,Cho, Young-Joo,Yoon, Ho-J Informa Healthcare 2012 The Journal of asthma Vol.49 No.3
<P><I>Objective</I>. The prevalence of asthma is increasing, and asthma causes considerable socioeconomic burden worldwide. Few studies have been conducted to evaluate the risk factors associated with economic cost of asthma in Korea. This study evaluated asthma cost according to severity, control, and patient factors in Korean tertiary hospitals. <I>Methods</I>. Direct and indirect costs were assessed in physician-diagnosed adult asthmatics recruited from eight tertiary hospitals in Korea. Official direct medical costs were derived from the analysis of 1-year expenditures related to hospital care utilization and asthma medication. Nonofficial medical costs, nonmedical direct costs, and indirect costs were investigated using a questionnaire designed specifically for the study. <I>Results</I>. A total of 314 patients with persistent asthma were recruited. Both direct and indirect costs were significantly higher for patients with severe persistent asthma than for those with mild and moderate persistent asthma ($2214 vs. $871 and $978, <I>p</I> < .001; $2927 vs. $490 and $443, <I>p</I> < .001, respectively). Costs of asthma increased significantly in poorly controlled compared with somewhat controlled and well-controlled asthma ($7009.8 vs. $2725.3 vs. $1517.3, respectively; <I>p</I> < .001). After stratification for severity, a significant cost increase in the poorly controlled asthma group was observed only for indirect costs and not for direct costs. A multivariate analysis showed that female gender was a risk factor for increased indirect costs. <I>Conclusion.</I> The burden of asthma was higher both for patients with severe persistent asthma and for patients with poorly controlled asthma. More effective strategies are needed to improve control status, particularly targeting patients with severe asthma.</P>
A New Malting Barley Cultivar Resistant to BaYMV, "Sinho"
Sae Jung Suh,Seong Bum Baek,Jung Gon Kim,Duk Hwan Jang,Mi Young Hong,Su Kyung Kim,Ya Seong Lee,Dae Ho Kim,Chang Yong Yun,Moon Woong Park,Yong Woong Ha,Jung Hyun Nam,Dong Ju Kang 한국육종학회 2003 한국육종학회지 Vol.35 No.2
A new malting barley cultivar, “Sinho”, with a resistant gene (rym5) to barley yellow mosaic virus (BaYMV) was developed by the barley breeding team of National Crop Experiment Station (NCES), RDA in 1999. This cultivar was derived from the cross between