• 제목/요약/키워드: Pattern comparison

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품질속성의 트레이드오프 분석을 통한 아키텍처 패턴 추천 방법 (An Architectural Pattern Recommendation Method Based on a Quality-Attributes Trade-off Analysis)

  • 박현주;이석원
    • 정보과학회 논문지
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    • 제44권2호
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    • pp.148-162
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    • 2017
  • 아키텍처는 시스템의 품질 속성과 요구사항 그리고 비즈니스 목적 달성을 위해 이루어지는 중요한 설계 결정들의 집합으로 현재 소프트웨어 공학 프로세스에서 필수적으로 다루어지는 과정 중 하나이다. 최근 소프트웨어가 사용되는 컨텍스트와 개발 환경이 크게 변화하면서 복잡한 요구사항을 다루고 시스템의 품질 속성을 달성하는 것이 더욱 중요해지고 있다. 하지만 아키텍처 설계가 많은 부분에 있어 아키텍트의 직관에 의존하고 있으며 재사용 가능한 아키텍처 패턴을 설계에 적용할 때 패턴 스키마가 통일되지 않고 사용자 관점에서 표현되어지지 않아 비교 분석에 어려움을 겪고 있다. 본 논문은 아키텍처 패턴을 사용자 관점에서 재해석하여 품질 속성 요구사항과의 간격을 줄여주는 새로운 스키마를 제안한다. 또한 스키마로 재구성한 패턴 모델을 이용해 아키텍처 설계의 가장 중요한 요인인 품질속성이 설계 결정에 어떤 영향을 주는지 트레이드 오프를 고려한 패턴 추천 방법을 제안 한다.

스커어트제작을 위한 원형연구 -18세~24세 여성을 중심으로- (A Study on Skirt Pattern for Women's Clothing)

  • 임원자;최현숙
    • 한국의류학회지
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    • 제5권2호
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    • pp.21-33
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    • 1981
  • The purpose of this study was to develop a skirt pattern drafting method for korean women between the ages of $18\~24$ on the basis of their physical charcteristics which differs from those of other races in its size and figure. The study procedures and results were as follows; 1. Ten types of convantional skirt patterns were collected and compared to determine the essential measuring items for skirt construction, and to discover what problems are involved. 2. Fourteen items of KIST measurement data were analysed for correlation coefficients, to establish representative items and independent ones. 3. Front waist length and back waist length were additionally measured for supplementary data. 4. A new skirt drafting method was developed based on the results of the pattern comparison and the data analysis. 5. A sensory evaluation was applied to evaluate the new method comparing it with the most widely accepted conventional pattern. An original rating scale was developed for the evaluation and an expert panel consisting of five members judged each shell from 12 subjects by random selection. According to a statistical analysis of the result of the 17 items on the rating scale, 14 items showed significant differences (${\alpha}\leqq$0.01 or ${\alpha}\leqq$0.05) between the two, with the new pattern having better fit. The new pattern drafting method proved to be superior to the conventional one especially in the fitness at the back hip, dart length, side seam balance, and the ease for daily activities.

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공간자기상관 산출을 위한 인접성 정의 방법 비교 (A Comparison of Neighborhood Definition Methods for Spatial Autocorrelation)

  • 박재문;황도현;윤홍주
    • 수산해양교육연구
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    • 제23권3호
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    • pp.477-485
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    • 2011
  • For the identifying of spatial distribution pattern, Moran's Index(I) which has the range of values from -1 to +1 is common method for the spatial autocorrelation measurement. When I is close to 1, all neighboring features have close to the same value, indicating clustered pattern. Conversely, if the spatial pattern is dispersed, I is close to -1. And I closing to 0 means spatially random pattern. However, this index equation is influenced by how defining the neighboring features for target feature. To compare and understand the difference of neighborhood definition methods, fixed distance neighboring method and Gabriel Network method were used for I. In this study, these two methods were applied to two marine environments with water quality data. One is Gwangyang Bay which has complex geometric coastal structure located in South Sea of Korea. Another is Uljin area adjacent to open sea located in east coast of Korea. The distances between water quality observed locations were relatively regular in Gwangyang Bay, however, irregular in Uljin area. And for the fixed distance method popular Arc GIS tool was used, but, for the Gabriel Network, Visual Basic program was developed to produce Gabriel Network and calculate Moran's I and its Z-score automatically. According to this experimental results, different spatial pattern was showed differently for some data with using of neighboring definition methods. Therefore there is need to choose neighboring definition method carefully for spatial pattern analysis.

스트림 데이터에서 동적 가중치를 이용한 순차 패턴 탐사 기법 (A Sequential Pattern Mining based on Dynamic Weight in Data Stream)

  • 최필선;김환;김대인;황부현
    • 정보처리학회논문지:소프트웨어 및 데이터공학
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    • 제2권2호
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    • pp.137-144
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    • 2013
  • 순차 패턴 탐사 기법은 순서를 갖는 패턴들의 집합 중에 빈발하게 발생하는 패턴을 탐사하는 기법이다. 순차 패턴 탐사 분야 중에 동적 가중치 순차 패턴 탐사는 가중치가 시간에 따라 변화하는 컴퓨팅 환경에 적용 가능한 탐사 기법으로 동적인 가중치 변화를 탐색 과정에 적용하여 다양한 환경에서 활용 가능하다. 이 논문에서는 다양한 순차 데이터가 들어오는 스트림 환경에서 동적 가중치를 적용하여 빈발한 이벤트들을 탐사하는 새로운 순차 패턴 탐사 기법을 제안한다. 제안하는 기법은 시간 순서에 의한 상대적인 동적 가중치를 사용하여 탐색해야 하는 후보 패턴을 줄여주고 해시 구조를 통한 데이터 입출력으로 빈발한 순차 패턴을 빠르게 탐사할 수 있다. 이 기법을 사용하면 기존 가중치를 적용하는 방식보다 메모리 사용과 처리 시간을 줄여줘 매우 효율적이다. 제안하는 기법은 다른 가중치 순차 패턴 탐사 기법과의 비교를 통해 동적 가중치 탐사 기법의 중요성을 보인다.

3D 인체데이터를 활용한 남성 정장재킷 패턴개발 연구 -30대 후반 남성을 중심으로- (A Study on Development of Men's Formal Jacket Pattern by 3D Human Body Scan Data -A Focus on Men's in their Late 30s-)

  • 신경희;서추연
    • 한국의류학회지
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    • 제43권3호
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    • pp.440-458
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    • 2019
  • Based on a 3D body data and pattern comparison analysis, this study developed a formal jacket pattern for men in their late 30s. In order to select the representative type of men in their late 30s, factor analysis and cluster analysis were conducted on data form 319 men, 35 to 39 years old using the anthropometric data from The 7th Size Korea (2015) as the representative body type. The surface of the body surface was developed using a 3D human shape of a male in his 30s in The 6th Size Korea (2010). Then the shape was changed to a flat pattern that confirmed the necessary elements for setting the shape and dimension. Cluster analysis revealed type B as the representative type because it showed the best shape characteristics for men in the late 30s. The drafting method of the final research pattern is as follows. Jacket length: stature/2.5cm, back length: stature/5+8.5cm (constant)], armhole depth: [stature/ 7-1.5cm (constant)], back width: [C/9+9.5cm (constant)]+1cm (ease), front width: [C/9+8.5cm (constant)]+1cm (ease), armscye depth: C/8, front waist darts: 1cm, front closure amount: 2cm.

인삼(人蔘)의 Polyphenol 성분(成分)에 관한 연구(硏究) -제(第)1보(報) Gas chromatogram에 의한 각종(各種) 인삼제품(人蔘製品) 및 오가피(五加皮)의 Polyphenol pattern의 비교(比較)- (Studies on Polyphenol of Ginseng -1. Comparison of Polyphenol pattern of various Ginseng products & Acanthopanax with Gas chromatogram-)

  • 이성우;소궤신행;배효원;이종화
    • 한국식품과학회지
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    • 제10권2호
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    • pp.245-249
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    • 1978
  • 채소 과실 속에 널리 존재(存在)하는 10종(種)의 polyphenol 성분(成分)의 표준물질 혼합물(混合物)과 각종 인삼제품(人蔘製品) 및 오가피(五加皮)의 polyphenol 추출물(抽出物)에서 얻은 gas chromatogram를 통하여, 각각의 polyphenol pattern을 비교한 결과는 다음과 같다. 1. 한국(韓國) 미국(美國) Canada산(産)의 피부백삼(皮付白蔘) 및 한국산홍삼(韓國産紅蔘) 사이의 polyphenol pattern에는 서로 약간의 차이가 있을 뿐 매우 비슷하다. 그리고 이들 인삼제품(人蔘製品)의 polyphenol pattern의 peak 가운데서 $t_R$가 표준물질의 tR와 일치(一致)되는 것이 없었다. 2. 백삼(白蔘) extract 및 홍삼(紅蔘) extract의 polyphenol pattern은 서로 매우 비슷하다. 그러나 peak수(數)는 인삼건조품(人蔘乾燥品)에 비하여 훨씬 적었다. 3. Russia산(産)과 한국산(韓國産) 오가피(五加皮)의 polyphenol pattern은 서로 같다. 그러나 이들의 polyphenol pattern이 인삼제품(人蔘製品)과는 서로 다르고 특히 인삼제품(人蔘製品)에서 동정(同定)되지 않았던 chlorogenic acid가 오가피(五加皮)에서는 동정(同定)되었다.

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맞춤형 머리전달함수에 사용될 수 있는 장구 회전타원체 형상 머리모델과 구형 머리모델 간의 비교 (Comparison between a spherical head model and a prolate spheroidal head model used in HRTF customization)

  • 조현;박영진;박윤식
    • 한국소음진동공학회:학술대회논문집
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    • 한국소음진동공학회 2007년도 추계학술대회논문집
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    • pp.1009-1013
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    • 2007
  • To do a HRTF customization, researchers used a spherical head model for modeling the head block of structural modeling of HRTF, which is the one of the technique for HRTF customization, because of its simplicity. In this paper, an analytic spheroidal HRTF caused by an incident point source will be introduced. Using proposed spheroidal HRTF, near-field HRTF customization can be applicable through a structural modeling of HRTF. To see the necessity of sheroidal head model, comparison of two analytic solutions, which are classical spherical HRTF and proposed spheroidal HRTF, will be shown. On the view point of ITD, optimal head model which matches with the measured ITD of KEMAR HRTF can be obtained. ITD results show that there are only slight differences between spherical and spheroidal head model. Magnitude comparison is made by constructing head model using measured head size. Although magnitude comparison is not studied between optimal models, the results of 24 of 36 subjects are shown that spheroidal head model matches notch frequency pattern of measured HRTF better than those of spherical one, where the sound source is at contralateral position.

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베타 확률분포를 이용한 입자 떼 최적화 알고리즘의 성능 비교 (On the Comparison of Particle Swarm Optimization Algorithm Performance using Beta Probability Distribution)

  • 이병석;이준화;허문범
    • 제어로봇시스템학회논문지
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    • 제20권8호
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    • pp.854-867
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    • 2014
  • This paper deals with the performance comparison of a PSO algorithm inspired in the process of simulating the behavior pattern of the organisms. The PSO algorithm finds the optimal solution (fitness value) of the objective function based on a stochastic process. Generally, the stochastic process, a random function, is used with the expression related to the velocity included in the PSO algorithm. In this case, the random function of the normal distribution (Gaussian) or uniform distribution are mainly used as the random function in a PSO algorithm. However, in this paper, because the probability distribution which is various with 2 shape parameters can be expressed, the performance comparison of a PSO algorithm using the beta probability distribution function, that is a random function which has a high degree of freedom, is introduced. For performance comparison, 3 functions (Rastrigin, Rosenbrock, Schwefel) were selected among the benchmark Set. And the convergence property was compared and analyzed using PSO-FIW to find the optimal solution.

20대 여성의 체형변화에 따른 원피스 드레스 원형연구 (A Study on One-Piece Dress Pattern According to the Somatotype Alteration of Women in their 20s)

  • 박주희;홍정민;윤진경
    • 한국의류산업학회지
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    • 제7권4호
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    • pp.407-412
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    • 2005
  • This study is to establish the pattern for one piece dress which fits well to the women somatotype with different drop value and is functional and has high body fitness. Selected 2 testers from classified 4 types who were close to the average value and took twice dressing test. After successive correction and revision, patterns of one piece dress for each somatotype were established. M type ; Bust line is established to B/4+1.7 cm. Waist line is W/4+1.5+2.5 cm(dart amount) for front pattern and W/4+0.8+2 cm(dart amount) for back. Hip line is H/4+0.8 cm for front and H/4+0.8 cm for back and the bust dart amount is 2.5 cm. A type ; Bust line is established to B/4+1.7 cm. Waist line is W/4+1.5+2.5 cm (dart amount) for front pattern and W/4+0.8+2 cm(dart amount) for back. Hip line is H/4+1.5 cm for front and H/4+1 cm for back and the bust dart amount is 2.2 cm. X type ; Bust line is established to B/4+1.5 cm for front pattern and B/4+2 cm for back. Waist line is W/4+2+2.5 cm (dart amount) for front and W/4+1+2+1.4 cm(for two darts amount) for back. Hip line is H/4+1 cm for front and H/4+1.3cm for back and the bust dart amount is 2.8 cm. H type; Bust line is established to B/4+1.5 cm for front pattern and B/4+2cm for back. Waist line is W/4+1.7+2.5 cm (dart amount) for front and W/4+0.8+2 cm(dart amount) for back. Hip line is H/4+2 cm for front and H/4+1.5 cm for back and the bust dart amount is 2.8 cm. In order to achieve the objective evaluation on a new pattern in this study, the sensory evaluation for both Imwonja pattern and a new pattern in this study was completed. As a result of sensory evaluation, a new pattern of this study could accomplished a good appearance in reflecting characteristics of each types and could achieved the functional superiority than comparison pattern.

Comparison of a Bodice Prototype for 20s Plus-size Women

  • Cha, Su-Joung
    • 한국컴퓨터정보학회논문지
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    • 제27권4호
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    • pp.79-88
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    • 2022
  • 본 연구는 20대 비만 여성에게 적합한 보디스 원형 개발을 위해 프랑스, 일본 패션교육기관의 원형과 우리나라 교육용 원형 1개, 우리나라 산업체용 원형 2개 등 총 5개 패턴 제도법을 비교·분석하였다. 이를 통해 플러스 사이즈 여성 의복 개발에 적합한 보디스 원형 패턴 제도법을 알아보고자 하였다. 패턴제도를 위해 패턴1은 앞품, 뒤품, 젖가슴둘레, 목둘레, 등길이 등 가장 많은 신체치수를 적용하였고, 패턴2, 패턴4, 패턴5는 젖가슴둘레, 등길이를 기준으로 모든 패턴을 제작하였다. 외관평가 결과, 패턴3이 앞중심길이의 적합성, 옆허리둘레선 위치의 적합성 항목을 제외하고 모든 항목에서 가장 우수한 패턴으로 평가되었다. 그러나 옆선의 수직, 옆허리둘레선 위치의 적합성, 뒤진동둘레 위치 및 형태의 적합성, 뒤어깨다트 위치의 적합성 등의 항목에서는 부적합한 것으로 평가되었다. 보디스 원형은 젖가슴둘레 치수를 기준으로 대부분의 패턴 제도가 이루어지나 비만 여성의 경우 목둘레 설정, 어깨길이 설정에 있어서는 다른 제도법이 필요할 것으로 생각된다. 또, 복부 돌출로 앞중심길이 설정 방법에 대한 개발도 요구되었다.