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OpenGL ES 2.0 based Shader Compilation Method for the Instruction-Level Parallelism (OpenGL ES 2.0 기반 셰이더 명령어 병렬 처리를 위한 컴파일 기법)

  • Kim, Jong-Ho;Kim, Tae-Young
    • Journal of Korea Game Society
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    • v.8 no.2
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    • pp.69-76
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    • 2008
  • In this paper, we present the architecture of graphics processor and its instruction format for the mobile device. In addition, we introduce tile shader data structure for the on/off-line compilation based on the OpenGL ES 2.0 and a new optimization method based on the ILP(Instruction-Level Parallelism). This paper shows where a processor with the sane core clock is being used, the shader instruction resulted from the compile structure and method in this paper is approximately 1.5 to 2 times faster than a code based on the single instruction.

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A Study on Wearing Conditions and Dissatisfaction with Breast Cap for Current Womens Swimsuits (여성 수영복용 브래스트캡의 착용실태 및 불만족도에 관한 연구)

  • 노정화;최혜선;도월희
    • Journal of the Korean Society of Costume
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    • v.53 no.7
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    • pp.47-55
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    • 2003
  • The purpose of this study was to provide information on how to improve the comfort and fit of womens swimsuits through analysis of the present wearing conditions and users complaints. In order to compile the information about dissatisfaction with the appropriateness of the fit of breast cap for swimsuits, a questionnaire was administered to 364 females (over 20 years old under 60 years old). The contents of the questionnaire consisted of questions such as the reasons for selecting to wear breast cap for swimsuits or not, size of brassiere and swimsuits, dissatisfaction with material, dissatisfaction with function of breast cap. The collected data were analyzed using the descriptive statistics value of frequencies and percentile value, mean, and so on by means of the SPSS WIN.10.0 program. The differences among age groups, body type groups by rohrer index, cup size and so on were compared using the chi-square test. Results of the survey responses about swimsuits breast caps: Most women have worn swimsuits with caps. According to the results, women who are older or overweight, or have larger breasts, or breasts which sag, as well as those who have had the experience of giving birth responded that they feel uncomfortable because of the slope of their breasts. Concerning complaints about the caps, 61% of respondents complained about the cap size and lack of correspondence with breast size, 56.8% expressed concern about the cap gap. There is significant difference in wearing reason of breast caps forswimsuits among age groups and many kinds of groups.

A Study on Promoting the Efficiency of Aircraft System Safety Assessment (항공기 시스템 안전성평가 효율화 방안 연구)

  • Yoo, Seung-woo;Lee, Jong-hee
    • Journal of Aerospace System Engineering
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    • v.6 no.3
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    • pp.7-12
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    • 2012
  • The contents of aircraft system safety assessment vary depending on factors such as the complexity of the system, how critical the system is to flight safety, what volume of experience is available on the type of system and the novelty and complexity of the technologies being used. If the system safety assessment is to substantiate that the developed products are 'safe enough' to be taken into use, then the system safety assessment should be planned and managed to provide the necessary assurance that all relevant hazards and failure conditions have been identified and that all significant combinations of hazards and failures which could cause those conditions have been considered. The assessment must assist the designer and management in making decisions. It must make clear what the critical features of each system are and upon which special manufacturing techniques, inspection, testing, crew drills and maintenance practice they are critically dependent. This paper has prepared to study on promoting the efficiency of aircraft system safety assessment and to present how to compile system safety assessment strategy.

A Study on System for Analyzing Story of Cinematographic work Based on Estimating Tension of User (감성 상태 기반의 영상 저작물 스토리 분석 시스템 및 분석 방법 개발에 관한 연구)

  • Woo, Jeong-gueon
    • Journal of Engineering Education Research
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    • v.18 no.6
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    • pp.64-69
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    • 2015
  • A video-work story analysis system based on emotional state measurement includes a content provision unit which provides story content of a video-work, a display unit which displays content provided by the content provision unit, an emotional state measurement unit which measures a tense-relaxed emotional state of a viewer viewing the displayed story content, a story pattern analysis unit which analyzes the tense-relaxed emotional state measured from the emotional state measurement unit according to a scene in the story content provided by the content provision unit, and a story pattern display unit which prints out an analysis result or displays the analysis result as an image. The emotional state measurement unit measures a tense or relaxed emotional state through one or more analyses among a brainwave analysis, a vital sign analysis, or an ocular state analysis. A writer may obtain support in an additional scenario modification work, and an investor may obtain support in making a decision through the above description. Furthermore, the video-work story analysis system and analysis method based on emotional state measurement may extract a particular pattern with respect to a change in an emotional state of a viewer, compile statistics, and analyze a correlation between a story and an emotional state.

Spatial Distribution and Geomorphological Characteristics of Headwater Stream (Dorang) Catchments in Geum River Basin (금강유역 내 도랑유역 분포 및 지형적 특성 분석)

  • Kim, Haejung;Cho, Hong-Lae;Koo, Bhon Kyoung
    • Journal of Korean Society on Water Environment
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    • v.30 no.3
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    • pp.319-328
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    • 2014
  • Dorang - the Korean term for headwater streams - occupy a large portion of the total stream length in a basin, and contribute significantly towards the quantitative and qualitative characteristics, and the ecosystem, of the main river. The Ministry of Environment of South Korea has supported the investigation of the status of Dorang in the nation's four major basins, since 2007. Without a widely accepted academic or legal definition of Dorang, however, there are limits to understand the distribution of Dorang at the national scale and to systematically compile a Dorang database. This paper, through a review of the stream classification system and Korean legal system delineating streams, defines Dorang as 1st and 2nd order streams according to the Strahler ordering method, in a 1:25,000 geographical scale. Analysis of the Geum River basin, with this definition, reveals that the total length of Dorang is 20,622.4 km (73.6% of total stream length), and the number of Dorang catchments is 23,639 (71.3% of the basin area). Further analysis of the geomorphological characteristics of Dorang catchments shows that the average total stream length is 1.1 km, average catchment length is 1.2 km, average drainage area is $0.4km^2$, and average drainage density is 3.08/km.

An Optimal ILP Scheduling Algorithm on Linear Data-Flow Graph for Multiprocessor Design (멀티프로세서 설계를 위한 Linear Data-Row Graph의 최적화 ILP 알고리즘)

  • Kim Ki-Bog;Lin Chi-Ho
    • Journal of the Institute of Electronics Engineers of Korea SD
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    • v.42 no.6 s.336
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    • pp.49-58
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    • 2005
  • In this paper, we propose an optimal ILP scheduling algorithm for multiprocessor design on LDFG(Linear Data-Flow Graph) that can be represented by homogeneous synchronous data-flow. The proposed computation in this paper does not contain data-dependent, all scheduling decisions for such algorithms can be taken at compile time, only fully static overlapped schedules are considered. It means that all linear have the same schedule and the same processor assignment. In this paper, the resource-constrained problem is addressed, for the LDFG optimization for multiprocessor design problem formulating ILP solution available to provide optimal solution. The results show that the scheduling method is able to find good quality schedules in reasonable time.

A scientific understanding of Mammary gland and physiology of lactation in Ayurveda.

  • Verma, Vandana;Agrawal, Sonam;Gehlot, Sangeeta
    • CELLMED
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    • v.10 no.1
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    • pp.4.1-4.4
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    • 2020
  • Ayurveda scholars have well described about the physio-anatomical aspect of mammary gland (Stana), physiology of lactation, importance of breast milk (Stanya) in growth and development of baby, various factors affecting the lactation and causing changes in property of milk, Galactogouge (Stanyajanana), and drugs for purification of mother milk (Stanya Shodhana). The recent studies provide evidence for above descriptions of Ayurveda. Breast milk (Stanya) is the nearly complete sole source of nourishment for infants. It has been considered as subsidiary tissue (Upadhatu) of blood plasma (Rasa Dhatu) as it is formed out of Rasa Dhatu (Plasma) and its quality and quantity gets affected by quality of nutrient fraction of food formed after complete digestion (Aahar Rasa). It provides health (Aarogya), strength and immunity (Bala) to the feeding child and gives innumerable beneficial effects like protection against not only acute infections like URTI, diarrhoea but also on chronic illnesses like CVD, metabolic disorders too. The Ayurveda description related to Mammary gland and physiology of lactation still need a better understanding for its implementation on promotion of health. Thus an attempt has been made to compile and analyze the view of Ayurveda scholars on Breast (Stana), Breast milk (Stanya) and physiological aspect of lactation as well as to draw a possible scientific understanding for the relevance.

A Study on the Exhibition Space Design for Visual Art - Based on Rémy Zaugg's Writings - (미술 전시를 위한 건축 공간 설계 사례 분석에 관한 연구 - 레미 조그(Rémy Zaugg)의 이론을 적용한 스위스 미술관들을 바탕으로 -)

  • Yoon, Jae-Won;Choi, Choon
    • Korean Institute of Interior Design Journal
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    • v.22 no.1
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    • pp.299-306
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    • 2013
  • While artists and architects both recognize the importance of well-designed exhibition spaces, they have rarely shared, through direct and open communication, their thoughts on what constitutes an ideal architectural context for art. Remy Zaugg's text offers a rare and valuable insight on artists' conception of an ideal space for art, and his words and diagrams have directly influenced some of the successful architectural projects for art in the recent past. By analyzing the original content of Zaugg's writings, and highlighting Zaugg's key design elements from three sample projects, all of which mention Zaugg's text as a direct reference, we can compile a list of core design elements for constructing an ideal space for art. Three museums closely incorporated all but two of Zaugg's seven core planning elements, and the remaining two recommendations on the luminous ceiling and gallery distribuition were more subjectively interpreted. These deviant components in turn become unique features to each project, suggesting proper areas of intervention for architects as authors.

Performance Analysis of Deepsea Manganese Nodule Test Miner in Inshore Tests (심해저 망간단괴 시험집광기의 근해역 집광성능 분석)

  • Choi, Jong-Su;Yeu, Tae-Kyeong;Kim, Hyung-Woo;Park, Soung-Jea;Yoon, Suk-Min;Hong, Sup
    • Ocean and Polar Research
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    • v.32 no.4
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    • pp.463-473
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    • 2010
  • Inshore tests were performed in order to verify the design concept of deep sea manganese nodule miner at a site near Hupo at East Sea of Korea in June of 2009. Total mining tests of the test miner, named 'Minero$^{(R)}$', together with flexible hose, lifting pump and lifting hose were accomplished. In this study, the performances of three subsystems of testminer (vehicle, pick-up device, and launch-and-recovery device) were analyzed for feasibility assessment of self-propelled remotely controlled miner, and also to compile basic data for designing a pilotminer. Performances of the test miner were defined based on the Functional Requirements of Axiomatic Design. The inshore tests revealed that the test miner generally satisfies the functional performances. Feasibility assessment and reflection on results are discussed within.

Seasonal adjustment in Korean economic statistics and major issues (우리나라 경제통계의 계절조정 현황과 주요 쟁점)

  • Lee, Geung-Hee
    • The Korean Journal of Applied Statistics
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    • v.29 no.1
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    • pp.205-220
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    • 2016
  • Seasonal adjustment is useful to provide a better understanding of underlying trends in Korean economic statistics. The seasonal component also includes calendar effects such as Seol and Chuseok. Most popular seasonal adjustment methods are X-12-ARIMA of the U.S. Bureau of the Census and TRAMO-SEATS of the Bank of Spain. Statistics Korea and the Bank of Korea compile seasonally adjusted series of several Korean economic statistics. This paper illustrates basic principles for seasonal adjustment and the current status of seasonal adjustment in Korea based on previous research. In addition, several issues on seasonal adjustment are addressed.