• Title/Summary/Keyword: POINT PATTERN ANALYSIS

Search Result 711, Processing Time 0.029 seconds

An Experimental Study on the Fire Investigation to the Broken Plane Types of Glass (유리 파단면의 화재감식에 관한 실험적 연구)

  • Mun, Yong-Soo;Kong, Ha-Sung
    • Journal of the Korea Safety Management & Science
    • /
    • v.10 no.4
    • /
    • pp.105-109
    • /
    • 2008
  • The purpose of this study is to distinguish the causes of broken glass on doors or windows when it is originally kept among the remains on the floor in fire site - whether it was broken due to heating or outer power-through test and characteristics of the broken plane including the pattern on the plane. Addition to it, the study tries to find characteristics to judge the point and direction of breakdown through the analysis of glass broken by outer power. With two assumed causes - a) breakdown due to heating and b) breakdown due to outer power-3 pieces of glass plates ($30cm{\times}30cm{\times}5mm$) were tested for each case, getting the results as following: First, for the glass broken due to the change of temperature, the broken plane is of slow and smooth curve without any pattern. Second, for the glass broken due to outer power, with the impact point as the center, the glass shows breakdown of radial type and the side shows breakdown of near-perpendicular type. The far the broken piece is from the impact point, the bigger the size is. The broken piece at the impact point is of long triangle type and the two long planes of the triangle shows semi-arc with the center of breakdown point and the other plane shows opposite pattern. Third, when glass that is damaged by outer power is heated, damaged forms and side patterns of the glass that is damaged by outer power are heated and disappeared.

Analysis of Diffusion Pattern in New Product and Services Based on Two-pieces Bass Model (신제품 및 서비스에 있어 이분조각 Bass모형에 의한 확산 패턴 분석)

  • Hong, Seok-Kee;Hong, Jung-Sik
    • IE interfaces
    • /
    • v.23 no.4
    • /
    • pp.337-348
    • /
    • 2010
  • The Bass model is the most widely used model in research of new product diffusion because it presents a nice explanation on the diffusion process of new products. However, it has a limitation that its performance of fitness is lower as the available data become less and also, the diffusion curve is bell-shape and so, it can not represent the various diffusion patterns. Recently, a two-pieces Bass model is developed and applied to analyze diffusion of 10 products. The results are encouraging in terms of fitness. However, diffusion pattern is not dealt with in the paper. In this paper, analysis of diffusion pattern is in depth addressed in two-pieces Bass model. It is shown that the diffusion curves are divided into 3 types with respect to the peak adoption rate and each type is divided into 2 types further. Takeoff time of a diffusion process is analyzed by using the inflection point and regime-change time where it represents the point that imitation and innovation parameters change. Empirical studies for 68 products(28 domestic products and 40 USA products) are performed to analyze the diffusion pattern. Findings are that diffusion patterns of all products except 1 USA product show type I and regime-change time becomes shorter as the introduction time of the product is later in domestic products and regime-change time can be regarded as a takeoff time in 47% of total 68 products.

The Association between Facial Morphology and Cold Pattern

  • Ahn, Ilkoo;Bae, Kwang-Ho;Jin, Hee-Jeong;Lee, Siwoo
    • The Journal of Korean Medicine
    • /
    • v.42 no.4
    • /
    • pp.102-119
    • /
    • 2021
  • Objectives: Facial diagnosis is an important part of clinical diagnosis in traditional East Asian Medicine. In this paper, using a fully automated facial shape analysis system, we show that facial morphological features are associated with cold pattern. Methods: The facial morphological features calculated from 68 facial landmarks included the angles, areas, and distances between the landmark points of each part of the face. Cold pattern severity was determined using a questionnaire and the cold pattern scores (CPS) were used for analysis. The association between facial features and CPS was calculated using Pearson's correlation coefficient and partial correlation coefficients. Results: The upper chin width and the lower chin width were negatively associated with CPS. The distance from the center point to the middle jaw and the distance from the center point to the lower jaw were negatively associated with CPS. The angle of the face outline near the ear and the angle of the chin line were positively associated with CPS. The area of the upper part of the face and the area of the face except the sensory organs were negatively associated with CPS. The number of facial morphological features that exhibited a statistically significant correlation with CPS was 37 (unadjusted). Conclusions: In this study of a Korean population, subjects with a high CPS had a more pointed chin, longer face, more angular jaw, higher eyes, and more upward corners of the mouth, and their facial sensory organs were relatively widespread.

Comparative Analysis of Dragon Patterns Found in Contemporary Fashion between Korea and Japan (한국과 일본의 현대복식에 나타난 용양의 비교분석)

  • 남미현
    • Journal of the Korea Fashion and Costume Design Association
    • /
    • v.3 no.1
    • /
    • pp.57-76
    • /
    • 2001
  • This study was intended to make a comparative analysis of the plastic features of Korean and Japanese dragon patterns found in the process of recreating traditions in comtemporary fashion based on the investigation into the style of expression in relation to the origin, formative evolution, symbolism and traditional costume of the dragon. The form of the dragon has evolved with some similarity and peculiarity between both countries and been changed into many kinds and diverse forms such as the humorous dragon pattern of the Yi Dynasty and the simplified and designed dragon pattern symbolizing the Japanese family crest and the like, Its symbolism has lasted in terms of the sacrificial object, royal power, good omen, Buddhist guardian and the like. There is a difference in the aesthetic sense due to the different traditions and cultural background between Korea and Japan, and the dragon pattern found in the process of recreating the tradition in comtemporary fashion manifested itself as the peculiar aspect. An attempt was made to make a comparative analysis of the dragon pattern found in comtemporary fashion between Korea and Japan. The following results were obtained: First, the commonality between both countries was to make a contemporary expression of the dragon pattern, which was expressed in a realistic form because of a traditionally inherent strong image of the dragon. On the other hand, the designed dragon pattern rarely found expression. It can be said that carefully treating the dragon pattern is attributed to the Oriental thinking like this. Second, Korean people have arranged one or more simplified dragon patterns taking on a form of the coiling dragon in the composition of the scattered point and made a comtemporary expression of them by the contrast of black and white shading in Korea. And the humorous form of the dragon pattern manifested itself in the Yi Dynasty. On the other hand, the case of printing the dragon pattern in the black dragon sword of all over the Kabuki costume in a pictorial composition has frequently appeared in Japan. And Japanese people have expressed its lightness and briskness rather than the dignity and strength that the dragon pattern gives with the use of strong color tones and new materials.

  • PDF

Ground Response Analysis of the Cmpressor Station for Installation of Seismic Instrument (정압관리소의 지전계측기 설치를 위한 지반특성 분석)

  • Kwon, Ki-Jun;Kim, Yong-Gil
    • Journal of the Korean Society of Safety
    • /
    • v.17 no.1
    • /
    • pp.79-86
    • /
    • 2002
  • In the case of earthquake, it is necessary to install earthquake instruments and to measure the ground motions for stable gas supply and restoration in case of supply suspension. Because each point in the site of the gas facilities has different characteristics of ground motion, it is recommended to measure at the point where the ground motion is representative. In this paper, ground motion analysis and noise pattern analysis are carried out to select suitable point for the installation of earthquake instruments and to set of dynamic range of sensors.

A Study on the Vibration Mode Measurement of Rectangular Plate with Two Parallel Sides Fixed by Electronic Speckle Pattern Interferometry (전자처리 스페클 간섭법에 의한 양단이 고정된 직사각형 평판의 진동모드 측정에 관 한 연구)

  • 김경석
    • Proceedings of the Korean Society of Machine Tool Engineers Conference
    • /
    • 1996.03a
    • /
    • pp.85-90
    • /
    • 1996
  • In the word, there is varied types of vibration, and these affect the mechanical industry. In this paper is plates with two parallel sides fixed. Electronic speckle pattern interferometry (ESPI) is one of the optical nondestructive testing technique. By using the ESPI, vibration modes for excitation point, a/b(ratio of longuitudinal and lateral length), and kind of specimen are measured and compared qualitatively with theoritical analysis that Warburton proposed.

  • PDF

An Experimental Study on the Free Vibration of the Cantilever Composite Rectangular Plates with Point Supports (점지지된 복합재료 외팔 사각판의 자유진동에 관한 실험적 연구)

  • 이영신;최명환;류충현
    • Journal of KSNVE
    • /
    • v.8 no.4
    • /
    • pp.623-631
    • /
    • 1998
  • The free vibration analyses of the isotropic and composite(CFRP, GFRP) rectangular plates with point supports at the free edge and middle position are performed. The natural frequencies and nodal patterns of plates with point supports are experimentally determined by impact testing using an impact hammer. To compare and verify these experimental results, the finite element analysis is also carried out. The effect of the point support position, the number of point supports, and the anisotropic parameters on the natural frequencies and nodal patterns of cantilevered rectangular plates are investigated.

  • PDF

Comparative Pattern Analysis and the Fitness Evaluation of Brassieres (국내.외 브래지어의 패턴비교분석 및 착의평가 연구)

  • Suh, Chu-Yeon
    • Journal of the Korean Society of Clothing and Textiles
    • /
    • v.34 no.4
    • /
    • pp.673-685
    • /
    • 2010
  • This study evaluates the fitness of brassieres through size measurement, comparative pattern analysis, cross section map analysis, 3-D shape analysis number, and fitness evaluation with a focus on domestic and overseas brands. Experimental brassieres were selected as mold brassieres of 3/4 cup in 75A size that is considered a popular design. Brands of selected brassiere were 2 domestic brands (A, B), 1 licensed brand (C), and 2 overseas brands (D, E). Subjects were 8 women in their early 20's. Data were analyzed by descriptive statistics, analysis of variance, reliability analysis, and factor analysis. The results were as follows; the size and pattern of brassieres showed a difference by each brand even though brassieres are the same design. In the wearing effect of brassieres, overseas brand brassieres played a major role in the breast-up effect, but they were not appropriate for the somatotype of Korean women. Domestic brand brassieres showed the volume-up effect, that was confirmed by the increasing bust circumference, bust depth when subjects wore it. In addition, the licensed brand brassieres showed the correction effect of body shape. Therefore, when purchasing a brassiere, the most important condition is to consider the individual characteristics of the somatotype. The results of factor analysis through a functional evaluation show that wearing satisfaction, size satisfaction, and the position of the bust point were important factors for fitness satisfaction and purchase.

A Study on the Comparative Analysis of Brassiere Pattern between Girl Students and Adults (청소년 여학생(靑少年 女學生)과 성인 여성(成人 女性)의 브래지어 패턴 비교연구(比較硏究))

  • Sohn, Hee-Soon;Cha, Su-Joung
    • Journal of Fashion Business
    • /
    • v.10 no.4
    • /
    • pp.95-113
    • /
    • 2006
  • This study was conducted comparative analysis of juvenile brassiere and adult brassiere to identify the problems of brassieres on the market. The raw data for this study was processed by SPSS 10.1 version(statistical software) and the results of this study can be summarized as follows. 1) The result of comparative analysis of juvenile brassiere and adult brassiere pattern is that each pattern showed no difference. 2) The results of the comparative analysis of juvenile and adult brassiere pattern in wing's length and angle is that even though there are some difference between juvenile and adult in side line inclination of brassiere. there is no setting difference but size of that brassiere. 3) The result of a comparative analysis pattern and cup size measurement of juvenile brassiere and adult brassiere is that even though the adult cup girth and angle is bigger than the juvenile because adults have more protrusive and bigger volume and well developed breast, some case rather the adult's cup angle is smaller than the juvenile as brand. And as we grow up to be a woman, difference of lower breast girth and breast girth are become big while difference of upper breast girth and breast girth are become small for that reason upper cup must be lower and lower cup must be higher but there is almost no difference between adult and juvenile. 4) The result of a comparative analysis of juvenile brassiere and adult brassiere bust point of the pattern is that adult brassiere's distance between bust points 6.12cm, and juvenile's 5.6cm, there are only 0.52cm difference between two products and just 0.4cm, size grading. These results are explained that even though when grow up to be a woman the distance between two bust points become to be long and breast toward out side but brassiere size don't vary with body characteristic.

Analysis Marketing of Products in Baseball Cap (베이스볼 캡(Baseball cap)의 시판 제품 분석)

  • Kim, Na-Young;Jang, Jeong-Ah
    • Fashion & Textile Research Journal
    • /
    • v.11 no.6
    • /
    • pp.925-933
    • /
    • 2009
  • This research was carried out by analyzing a form and composition in baseball cap targeting 97 marketing products, and we have typified it by frequency analysis. We have carried out comparing and wearing test between comparative pattern and the most preferred three products of sports brand, fashion brand A, and fashion brand B (flex fit). And also, in order to provide basic indices for developing new pattern, we have carried out analysis of variance. 1. As a result of analyzing a form in baseball cap, the most general pattern type for crown is central cutting with six pieces. In a cap, a basic type with no decoration was the most general. In the size adjustment and decoration, belt type and embroidery type (front or side embroidery of the crown) was the most common, respectively. 2. As a result of comparing and analyzing six-piece typed crown pattern, the comparative pattern was the same and symmetric in size and form of three patterns in front, side, and back. However, the patterns of marketing products of three brands were different in size and form of three patterns in front, side, and back. The patterns of sports brand were the largest in crown height and width, thus it was good at providing activity and motion. The patterns of fashion brand A were the shortest in the crown length and well-curved in front pattern, so it was well-matched with head shape. The patterns of fashion brand B were well-described back side of head since its convex and long patterns in the back head. 3. As a result of wearing test by five-point Likert scale among brand, pattern of fashion brand B outperformed the others since it was well-matched with head shape. In the cap, pattern of fashion brand A is the most preferred which was 7.5 cm of length and 18cm of width.