This study was purpose to quantitative assessment of the resolution characteristics by using American college of radiology(ACR) phantom for magnetic resonance imaging (MRI). The MRI equipment was used (Achiva 3.0T MRI, Philips system, Netherlands) and the head/neck matrix shim SENSE head coil were 32 channels(elements) receive MR coil. And the MRI equipment was used (Discovery MR 750, 3.0T MRI, GE medical system, America) and the head/neck matrix shim MC 3003G-32R 32-CH head coil were receive MR coil. As for the modulation transfer function(MTF) comparison result by using ACR magnetic resonance imaging phantom, the MTF value of the ACR standard T2 image in GE equipment is 0.199 when the frequency is 1.0 mm-1 and the MTF value of the hospital T2 image in Philips equipment is 0.528. It was used efficiently by using a general sequence more than the standard sequence method using the ACR phantom. In addition it is significant that the quantitative quality assurance evaluation method for resolution characteristics was applied mutatis mutandis, and the result values of the physical image characteristics of the 3.0T MRI device were presented.
The purpose of this study was to find possible solutions to the aged-related problem that is emerging as one of serious social issues in Korea by investigating the images young people have toward the aged. The questionnaire-based survey for this study was conducted with 643 middle school students representing teens and 523 undergraduates representing young people in the twenties, who were 592 from Daegu and 574 from Gwangju. It was carried out from December 2000 to March 2001. The data were analyzed in frequency(N), percentage(%), mean(M) and standard deviation(SD) through the SPSSWIN 10.0 program, $x^2-test$ and reliability test. The findings are summarized as follows. 52.5% of respondents reported that they had the experience in living together with their grandparents, while the number of respondents currently living together with their parents just accounted for 17.6%. In the question about the sense of value for family life, it was shown that the traditional idea that an eldest son or other son has the duty of supporting parents was positively changed to one that any of sons or daughters may support parents. The entire image toward the aged appeared to be positive with the mean value of 3.62. Things associated with the aged were the respect-for-aged house and a stick in that order. The images young people perceive towards the aged were largely divided into the 13 items image including the community centers for the aged.
The Journal of the Convergence on Culture Technology
/
v.4
no.1
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pp.231-236
/
2018
Flowers are one of the most natural expressions of human expression. Recently, these flowers have been applied to various kinds of products to enhance their aesthetic value and to use them as artistic materials expressing their vitality. The purpose of this study is to investigate the formative characteristics of flowers that are visually beautiful and to express them visually through the fusion of various products used in daily life. Based on this research, we study the importance of emotional design that gives satisfaction to consumers and new design expression techniques. In addition, we pursue the aesthetic value of the product with naturalness and original design sense, and develop sensibility product design expressing design sensitivity by combining floral motif with various products based on expression of decoration using image of flower. I would like to suggest the possibility of development of sensible product design.
Journal of the Korea Fashion and Costume Design Association
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v.21
no.1
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pp.103-113
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2019
The purpose of this study was to develop an e-textile using LEDs that can enhance visual and functional effects, and to identify their applicability to sportswear. By applying the design elements of fashion design concretely with LEDs, an e-textile design module is developed and that module is applied to the product, so LED application design can be proposed for use in a practical product. E-textiles have been divided into five categories, and their usefulness were verified by applying e-textiles to men's and women's sportswear. The product beign considered has a built-in tilt sensor, which illuminates the LEDs according to the user's movements, and allows the LEDs to be turned on or off in accordance to the user's preference. E-tatoo is a type of LED application that enhances the appearance by placing LEDs on a small area, emphasizing origin points, just like an actual tattoo. Designed with LEDs arranged in a straight line and various curved forms, e-strips can provide a function that matches the characteristics of each section of clothing or fashion item. E-wappen uses about 7-10 LEDs to give motifs a strong sense of visibility, thus adding to their vibrancy. E-panels and e-clothes were able to produce creative and high-value textures. It is also expected to be used for special purposes or bags as it is possible to produce high value-added textures that are creative and aesthetically beautiful. For instance, a progressive LED string on the straight line of female leggings can further emphasize rhythmic movements during exercise, and e-wappen also serves the purpose of nighttime protection. It is also believed that the application of dance or dance-related sportswear will make the movement of the performance more intense and lively.
KSCE Journal of Civil and Environmental Engineering Research
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v.29
no.4D
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pp.451-457
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2009
This study verifies parking requirements of an apartment suggested in parking generation law in Korea through analysing the surveyed parking generation rate. It is revealed that the parking requirements according to the gross floor area in parking generation law is similar to the surveyed parking generation rate as an average but the differences of each requirements by region and apartment's size are not significant. Parking generation rate results in strong correlation with the number of household rather than the gross floor area, and the new requirements suggested in this study, based on the number of household, shows significant difference by region and apartment's size, which is consistent with common sense. This study suggests parking requirements of an apartment, based on the number of household, by region and apartment's size for 6 groups. Surveyed parking generation rate of each group is fitted to statistical distribution and the mean value of fitted statistical distribution is suggested as the parking requirements of each group. Parking requirements based on the number of household is easily recognized of its relative and absolute value, and moreover is consistent with the surveyed parking generation rate.
The purpose of this study is to develop and implement a step-by-step upcycling fashion education program that can be utilized within the local community. This program aims to provide basic data by analyzing the current state of community-based upcycling projects and upcycling center programs. To achieve this, the study first examined the meaning and value of upcycling in fashion through literature research and explored upcycling projects and programs in connection with local communities. Subsequently, an upcycling fashion education program platform was developed and applied using the design thinking process. The program involved students from nine high schools in Gwangju Metropolitan City. Depending on the school's circumstances, the time and difficulty level of the upcycling education program were adjusted accordingly. A unique eco-bag making kit, using jeans developed in this study, was employed. Following the completion of the program, a satisfaction survey was conducted among 167 participating students from the high school community class. The findings indicated that the majority of students experienced an increased appreciation, attraction, and interest in upcycling products. They also demonstrated an understanding of the environmental impact of upcycling products and the distinction between upcycling and recycling. It is believed that the educational program developed in this study can promote ethical fashion and foster a sense of value-based consumption. This program can be customized and flexibly adapted to different educational levels and institutional characteristics, making it accessible to a wide range of learners.
The psychological system of human beings has gone through changes from material satisfaction to spiritual satisfaction. That is, $\ulcorner$From real goods to feel goods$\lrcorner$: much attention is not paid to physical consumption of real products but to consumption of time containing information value such as services capable of enriching and entertaining life. Entertainment is a cultural industry based on mass consumption culture. In this context, this research is designed to look into the entertainment tendency of the industrial areas and to take a look at various forms of attraction serving as the factor of absorption to users. The study indicates that the moderns impose much value on invisible goods such as experience. And the most popularized method is to appeal to clients for sensory interaction by presenting the experience of joy. Entertainment in a true sense is generated on the basis of creativity, which is a product of intuition and efforts directed toward the understanding of emotional ties with the general public characterized by uncertainty.
KSII Transactions on Internet and Information Systems (TIIS)
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v.4
no.6
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pp.1098-1115
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2010
An inseparable challenge associated with every random access network is the design of an efficient Collision Resolution Algorithm (CRA), since collisions cannot be completely avoided in such network. To maximize the collision resolution efficiency of a popular CRA, namely Binary Exponential Backoff (BEB), we propose a reactive backoff algorithm. The proposed backoff algorithm is reactive in the sense that it updates the contention window based on the previously selected backoff value in the failed contention stage to avoid a typical type of collision, referred as cross-collision. Cross-collision would occur if the contention slot pointed by the currently selected backoff value appeared to be present in the overlapped portion of the adjacent (the previous and the current) windows. The proposed reactive algorithm contributes to significant performance improvements in the network since it offers a supplementary feature of Cross Collision Exclusion (XCE) and also retains the legacy collision mitigation features. We formulate a Markovian model to emulate the characteristics of the proposed algorithm. Based on the solution of the model, we then estimate the throughput and delay performances of WLAN following the signaling mechanisms of the Distributed Coordination Function (DCF) considering IEEE 802.11b system parameters. We validate the accuracy of the analytical performance estimation framework by comparing the analytically obtained results with the results that we obtain from the simulation experiments performed in ns-2. Through the rigorous analysis, based on the validated model, we show that the proposed reactive cross collision exclusionary backoff algorithm significantly enhances the throughput and reduces the average packet delay in the network.
Purpose - This study aims to analyze the international marketing strategies of domestic medical institutions in the international medical market, and to determine whether such strategies increase international market share. With this approach, this study examines the impact of international marketing and social capital on international management performance through global competency and national image. It is hoped that this study can provide some insight on international marketing strategies. Design/methodology - In order to verify the research hypotheses, this study investigates medical institutions based in Incheon, Seoul, Gyeonggi Province, which provides medical services for foreigners. The target population is medical staff and interpreters in charge of administrative work, and a total of 194 copies were collected for 30 days. Of the collected questionnaires, a total of 171 copies were chosen for final analysis, excluding questionnaires with lack of information. Structural equations were used for analyzing the data by employing the R program. Findings - Our analysis suggests that international marketing and global competency performance have an effect on management performance. However, social capital appears to have no effect on global competency and management performance. Originality/value - Given the lack of research on international medical institutions, this study can be useful in the sense that it can help companies improve international marketing performance. Further, global competency was empirically proved to have a strong mediating effect that enhances total effect, while playing a mediating role between international marketing activities and management performance. This study is of great academic value in that it has comprehensively reviewed and systematized existing studies, and conducted empirical studies in the absence of domestic studies.
Mobile service that geography, position by development of space Information Technology and technology of communications, space are various to us now becoming limelight as point contents and infra information that customers do demand based on radio superhigh speed authentication net on highly information society by offer infringement problem about individual's privacy or information by political and scientific interest be injured. Purpose of this study grasps use factor of LBS application Mobile service, and it is that analyze actual proof through questionnaire to grasp whether some relation is with value and action determination that is felt of LBS application Mobile service. Distributed all question of 190 copies but disk floret inclination did valid data 171 that clear question and omission remove a lot of questions by type of study among questionnaire of collected 182 wealths. Analyzed factor analysis and authoritativeness to search validity and confidence of questionnaire and used single regression analysis and multiple regression analysis for hypothetical verification. According to verification result, Mobile service that apply position base service usefulness and system quality, adaptedness of Mobile service that apply position base service by leading person affecting in use, acted for connection healthy and felt value is important factor immediately. Usability and social effect, felt expense, privacy did not appear by leading person that keep in mind in this study. Is been related with step that Mobile service that apply position base service is placed. That is, as present childhood, a person who have experience that use service to look for friend is few and usability fairly in last in wide application boundary and this very important person was removed finally in model. This study has sense in terms of study systematically about LBS application service use leading person that is getting into the spotlight worldwide among Mobile service that is injured newly.
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