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An Analysis of Junior High School Girls' Breast Shape by Plane Photogrammetry (평면사진계측에 의한 유방형태 분석)

  • 김경숙
    • Journal of the Korean Home Economics Association
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    • v.31 no.4
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    • pp.209-214
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    • 1993
  • The purpose of this study is to provide the fundamental data for a dummy design used I read-made clothing and underwear production I terms of a pattern of breast types based o their morphological characteristics in accordance with different pattern of breast types. The breast's side and frontal views of the breast were measured with 90 junior high school girls of age between 13 and 16 residing in the urban area of Seoul using the plan photogrammetry. 1. The correlation between the side view body measurement and the breast's side and front view were analyzed by using the canonical correlation analysis, whereby the side view body measurement is showing a 39% of the breast's side view and frontal view. 2. The breast's side and front view has been classified by cluster analysis. The results of custer analysis for the breast's side and front view would be turned out the four cluster. 1) The cluster Ⅰ, The most volumed breast's side view.(20%) 2) The cluster Ⅱ, The fastest growing breast's front view.(38%) 3) The cluster Ⅲ, the latest growing breast.(3%) 4) The cluster Ⅳ, the middle degree growing breast.(39%)

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A Study on Developing Korean Virtual Model for Internet Apparel Shopping -Men and Women's Body Proportion of 20's- (인터넷 의류 판매원 한국인 가상모델 개발을 위한 연구 -20대 남녀 인체 프로모션을 중심으로-)

  • Cheon, Jong-Suk;Choe, Hyeon-Yeong
    • Journal of the Ergonomics Society of Korea
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    • v.22 no.1
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    • pp.17-29
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    • 2003
  • This study was initiated to develop a methodology for devising Korean virtual models for apparel shopping at internet shopping site. The data base for this study was the Korean National Anthropometric Survey in 1997. The subjects were 493 women and 626 men in 20's. The researchers also measured 88 males and females in age 20's to suggest back and front depth proportions which are not available from the survey. The virtual models' figure types were classified by the heights, drop value and bust(chest) girth. It was evaluated whether it is needed to separate figure type with bust(chest) girth. The body sizes of virtual models were suggested for side view model and front view model in 13cm height. Four female virtual models were suggested for front view and side view. Eight male virtual models were suggested for front view and side view. Each virtual model's height, breadth and depth proportions were calculated. Shoulder breadth. Bust(chest) breadth, waist breadth, hip breadth and proportions were calculated for front view model. The bust(chest) depth, waist depth, abdomen depth, hip depth and proportions were calculated for side view model. Height proportions were suggested for female and male virtual models.

Classification of Men's Somatotype According to Body Shape and Size(Part I) -Classification of Front View According to Body Shape- (남성의 동체부 체형 분류(제l보) - 인체의 형태에 의한 정면 체형의 분류 -)

  • 정재은;이순원
    • Journal of the Korean Society of Clothing and Textiles
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    • v.26 no.7
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    • pp.1026-1035
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    • 2002
  • The purposes of this study were to classify the front view of trunk of adult males into several kinds of shape and to provide the characteristics and silhouette of each group which has same shape. As the sample, subjects were l290 males of 20 to 54 year-old. The procedure and results were follows; l. The principal component analysis was used to obtain the shape factor of the front of the trunk 8 factors in the front which explained 86.8% of total variance were extracted. 2. As the result of the cluster analysis of factor scores, the font of body was classified in 4 types. 4 types were named X, A, Y and H type in the front considering the characteristics of each type.

Development on the Automated Process System for Cold Forging of Non-axisymmetric Parts (비축대칭 제품의 냉간단조 공정설계 시스템 개발)

  • 이봉규;조해용;권혁홍
    • Proceedings of the Korean Society of Precision Engineering Conference
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    • 1997.10a
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    • pp.527-530
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    • 1997
  • An automated process planning system for cold forging of non-axisymmetric parts of comparatively simple shape was developed in this study. Programs for the system have been written with Visual LISP in the AutoCAD using a personal computer and are composed of four main modules such as input module, shape cognition and shape expression module, material diameter determination module and process planning module. The design rules and knowledges for th system are extracted from the plasticity theories. handbook, relevant reference and empirical knowledge of field experts. Generally, in forging, only front view is needed for expression of axisymmetric parts, but non-axisymmetric parts are needed both front view and plane. At the plane, this system cognizes the external shape of non-axisymmetric parts - number of sides of regular polygon and radius of a circle circumscribing the polygon of n sides. At the front view, the system perceives diameter of axisymmetric portions and hight of primitive geometries such as polygon, cylinder, cone, concave, convex, etc.

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Classification of Men's Somatotype According to Body Shape and Size(Part II) -Classification of Side View and Compound of Front and Side View- (남성의 동체부 체형분류(제2보) -측면체형의 분류 및 정면과 측면 체형의 조합-)

  • 정재은;김구자
    • Journal of the Korean Society of Clothing and Textiles
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    • v.26 no.10
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    • pp.1443-1454
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    • 2002
  • The purposes of this study were to classify body type of adult males into several kind of shape and to provide the characteristics of size of each group which has same shape. As the sample, subjects were 1290 males of 20 to 54 year-old. The procedure and results were follows; 1. As the result of the previous reserch, the front line of body was classified in X, H, Y and A types. 2. The principal component analysis was used to obtain the shape factor of the side line of the trunk. 9 factors in the side were extracted. As the result of the cluster analysis of factor scores, the side line of body was classified in 5 types. It was named X, A, Y and H type in the front and S, D1, d, I and D2 type in the side. 3. In order to consider the shape of body as a whole, the body shape of the front and side were compounded. The whole body shapes of adult male were very various, and 6 body shapes, XS, YS, Yd, YI, AD2 and HD1 were selected as the basic types. In each type of body, several groups were classified by size factor, height and chest girth and master size was selected considering appearance frequency.

A Study for the Properties of Upper Body Somatotype of Lateral View for Middle-aged Women (중년여성의 상반신 측면체형 특성에 관한 연구)

  • 김소라
    • Journal of the Korean Home Economics Association
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    • v.41 no.11
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    • pp.1-9
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    • 2003
  • The somatotype classification of this study was to manufacture well-fitted clothes for middle-aged women. The somatotype classification of the upper body of lateral view was based on previous studies, and 4 postures, straight posture, leaning back posture, bent forward posture, and swayback posture were selected for this study. The front of leaning back posture was longer and wider than that of straight posture, and its front neck depth was deeper. Its front interscye breadth was wider and back interscye breadth was narrower. S.N.P. B.P. front waistline length, waist front length, front diagonal length, chest shedder length, front waistline shoulder line length were longer, and S.N.P. scapular back waistline length, back length, back shoulder length, back diagonal length, shoulder line back waistline length were shorter. On the contrary, the front of bent forward posture was shorter and narrower than that of straight posture, and its back neck depth was deeper. The properties of swayback posture were similar to those of bent forward posture. Its front was shorter and narrower, but the results of front neck depth and back neck depth were like those of straight posture.

The Development of Portable Rotor Bar Fault Diagnosis System for Three Phase Small Induction Motors Using LabVIEW (LaVIEW를 이용한 휴대용 3상 소형유도전동기 회전자 바 고장 진단 시스템 개발)

  • Song, Myung-Hyun;Park, Kyu-Nam;Han, Dong-Gi;Lee, Tae-Hun;Woo, Hyeok-Jae
    • The Transactions of the Korean Institute of Electrical Engineers P
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    • v.56 no.1
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    • pp.51-55
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    • 2007
  • In this paper, a portable rotor bar fault diagnosis system for small 3 phase induction motors is suggested. For portable real-tine diagnosis system, an USB-DAQ board for collecting the 3 phase current data, three current probes, and a notebook computer are used. The LabVIEW graphical language is used for filtering, analysis, storing, and monitoring the current data. The three phase stator current are filtered and transformed to frequency level by FIT. An analysis window programed by LabVIEW is located in front panel to show the FIT results and this suggested window has a zooming function to detect the fault feature more easily near the feature frequency range which is varying by the slip frequency. To show the possibility of portable rotor bar diagnosis system, three types(healthy, one rotor bar fault, two rotor bar fault) of rotor bar are intentionally prepared and compared by the suggested window of front panel. Experimental results are shown that a suggested diagnosis system is applicable to portable diagnosis system and the rotor bar fault is detected by the frequency window in front panel programed in LabVIEW graphical language.

A study on the basic slacks pattern for middled aged women based on their lower body shape analysis (중년여성의 하반신 체형분류에 따른 슬랙스 원형 제작)

  • 정인향;함옥상
    • Proceedings of the ESK Conference
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    • 1997.10a
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    • pp.40-55
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    • 1997
  • The purpose of this study are to examine the characters of the lower half body shape in the middle aged women and to make slacks patttern on the base of four difference body shapes as follows. The lower half body shapes were classified into 4 types on the basis of their lateral view silhouette, whose characters were summarized as followings. (1) "Type 1" meant the right body shape with the standard protrusion of abdomen and hips. (2) "Type 2" showed the body shape with prominent hips, which had the flat abdominal silhouette and the greatly curved hips silhouette. (3) "Type 3" was the body shape with the prominent abdomen and the flat hips, in which the frontal view silhouette of the abdomen was greatly curved and the rear view silhouette of hips is less curved. (4) "Type 4" was characterized with prominent abdomen and hips. The slaks patterns were based on the lower half body shape characters and resulted in followings. (1) In the type 1, little difference from conventional patterns was seen in experiment pattern, in which the front waist girth was W/4{\times}0.5cm+0.5cm+fold(2.5cm) and the back waist girth W/4+0.5cm-0.5cm+dart(3.5cm). The front hip girth was defined as H/4+2.0cm+0.5cm and the back hip girth as H/4+2.0cm-0.5cm due to its increased ease amount produced by abdominal fat deposition. (2) In the type 2 experimental pattern, the front and back differences of the waist girth and the hip girth were defined as 1.0cm and 2.0cm separately. Accordingly, the front waist girth was W/4+0.5cm+ 1.0cm+fold(2.0cm), the back waist girth W/4+0.5cm-1.0cm+dart(6.5cm), the front hip girth H/4+2.0cm+1.0cm and the back hip girth H/4+2.0cm-1.0cm. (3) In type 3, the front waist girth was set up as W/4+0.5cm+0.5cm+fold (4.5cm) for the increased front fold amount and the back waist girth was W/4+0.5cm+0.5cm+dart(3.0cm). The front hip girth was made as H/4+2.5cm+0.5cm and the back hip girth H/4+2.5cm-0.5cm. (4) In type 4, considered were $\circled1$ the increased fornt fold amount due to the abdonimal protrusion, $\circled2$ the increased back dart amount and the decreased back dart length owing to the hips prominent and $\circled3$ the front and back differences of waist and hip girth for the lateral view silhouette. Therefore the front waist girth was defined as W/4+0.5cm+2.0cm+flod (5.0cm), the back waist girth as W/4+0.5cm-20.cm+dart(4.0cm), the front hip girth as H/4+2.0cm+1.0cm and the back hip girth as H/4+2.0cm-1.0cm. The sensory evaluation of appearance and comfort was appeared more suitable on the experiment pattern than on the conventional pattern.

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Recognition of Car Manufacturers using Faster R-CNN and Perspective Transformation

  • Ansari, Israfil;Lee, Yeunghak;Jeong, Yunju;Shim, Jaechang
    • Journal of Korea Multimedia Society
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    • v.21 no.8
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    • pp.888-896
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    • 2018
  • In this paper, we report detection and recognition of vehicle logo from images captured from street CCTV. Image data includes both the front and rear view of the vehicles. The proposed method is a two-step process which combines image preprocessing and faster region-based convolutional neural network (R-CNN) for logo recognition. Without preprocessing, faster R-CNN accuracy is high only if the image quality is good. The proposed system is focusing on street CCTV camera where image quality is different from a front facing camera. Using perspective transformation the top view images are transformed into front view images. In this system, the detection and accuracy are much higher as compared to the existing algorithm. As a result of the experiment, on day data the detection and recognition rate is improved by 2% and night data, detection rate improved by 14%.

A Study on Flow Analysis of Exterior Rear View Mirror of Passenger Car (승용차 후향거울 주위의 3차원 유동특성 해석)

  • 정수진;김우승
    • Transactions of the Korean Society of Automotive Engineers
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    • v.5 no.3
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    • pp.35-46
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    • 1997
  • In order to satisfy customer's requirements of ride comfort and high performance, it is necessary for designers to fully understand vehicle aerodynamics and wind noise of newly produced cars because characteristics of flow and wind noise are heavily dependent on each other. In this study numerical and experimental study have been carried out to analyse the effect of flow characteristics at around of rear view mirror on wind noise and soiling on the front S/W. As a result, it's found that the spiral flow mear the front pillar is weakened and spreaded because rear view mirror obstructs the flow. It is also shown that there is abrupt change of gradient of separa- tion line, separation area, intensity of spiral flow and turbulent kinetic energy with varying shape of neck and housing of rear view mirror.

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