• Title/Summary/Keyword: 반복재현성

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Evaluation of Accuracy and Effectiveness of Real-Time Kinematic GPS Surveying Technology Using Carrier Phase Observations (반송파 위상관측을 이용한 실시간 Kinematic GPS 측량기법의 정확도와 효용성 평가)

  • 이진덕;정한상
    • Journal of the Korean Society of Surveying, Geodesy, Photogrammetry and Cartography
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    • v.17 no.3
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    • pp.301-309
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    • 1999
  • Real-time kinematic (RTK) GPS surveying which allows centimeter level accuracy of three-dimensional coordinates without post-processing has become recognized as a major advance in GPS technology. Employing On-The-Fly initialization technique, the RTK system can escape from cycle slip problems that have affected as a main obstacle factor in traditional kinematic and static approaches. The objective of this research was to evaluate accuracy and effectiveness of the RTK-GPS surveying. First, the continuous RTK observation of a base line was conducted for the purpose of finding out the repeatability of the RTK surveying and the results which were then compared against results from static surveying showed RMS errors of $\pm{3mm}\;and\;\pm{13mm}$ for their respective horizontal and vertical components. On a test network of 30 stations covering the small area, the results of RTK testing were compared against those from not only post-processing kinematic and rapid-static surveyings but conventional surveyings and also the efficiency of RTK were analyzed. In addition, geoid heights which were derived by combination of GPS and spirit leveling about all of the points within the network were compared against those derived by the PNU95 and EGM96 models respectively.

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The Everyday Characters and Acts of Director Hong Sang-soo's Film (2015) (홍상수 감독의 영화 <지금은 맞고 그때는 틀리다>(2015)의 일상적인 캐릭터와 연기)

  • Lee, A-Young
    • Journal of Korea Entertainment Industry Association
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    • v.13 no.4
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    • pp.165-172
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    • 2019
  • Signs of the street and scenes of the nature(tree) popping up like a still screen in a monotonously repeated routine, as if waiting for something by chance, characters appearing and disappearing without special meaning, advise you to get away from cliché meetings and breakups while repeating it. The images of people returning to their places without presenting any conclusions highlights the coincidences and unexpectedness of everyday life, but are so familiar that it is easy to be overlooked, it brings us to experience the potential of everyday unfamiliarity in such moments. The actor's performance, which deviates from the practice of well-organized characters, is improvised (unplanned and uncoordinated) emphasized on the scene and expresses the everyday nature of his differentiated character freely like the reality as if he were locked up in a film structure but not confined to it, and as if he got used to the everyday life. Also the repeated words and actions of characters, and unpredictable changes of emotions, centered by the encounters and conversations of this film of Hong Sang-soo, everything that is presented in the background of everyday life in its form, let's us pay attention to the meaning and what to be found in the film. In addition, director Hong Sang-soo, who creates a story after selecting actors to reproduce this daily process in a realistic manner, sets new relationships between the characters and the actors, presenting a new method of realistic expression, through the actor who repeatedly appears in the film. This study analyzes the everyday characters and acting of the film based on director Hong Sang-soo's directing style.

Convenient Method for the Determination of Foaming Properties of Egg White and Its Verification (난백 거품형성능력 및 안정성 평가를 위한 간편 측정방법과 실용성 검증)

  • Kim, Mi-Ra;Imm, Jee-Young
    • Korean Journal of Food Science and Technology
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    • v.36 no.5
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    • pp.728-732
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    • 2004
  • Convenient method for determination of egg white foaming properties was suggested. Highly reproducible results were obtained when 70g egg white was whipped at 1,200 rpm for 2 min. Using standardized testing method, foaming capacity and stability of egg white samples including fresh egg white, freeze-dried egg white and commercial egg white powder were effectively differentiated. Foaming capacity of egg white was not affected during storage of fresh egg white up to 4 weeks at $4^{\circ}C$, whereas foaming stability significantly decreased after 2 weeks of storage.

Partial transmission block production for real efficient method of block and MLC (Partial transmission block 제작 시 real block과 MLC를 이용한 방법 중 효율적인 방법에 대한 고찰)

  • Choi JiMin;Park JuYoung;Ju SangGyu;Ahn JongHo
    • The Journal of Korean Society for Radiation Therapy
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    • v.16 no.2
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    • pp.19-24
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    • 2004
  • Introduction : The Vaginal, the urethra, the vulva and anal cancer avoid the many dose to femur head and the additional treatment is necessary in inguinal LN. The partial transmission block to use inguinal LN addition there is to a method which it treats and produce partial transmission block a method and the MLC which to it analyzes. Material & Methode : The Inguinal the LN treatment patient partial transmission it used block and the MLC in the object and with solid water phantom with the patient it reappeared the same depth. In order to analyze the error of the junction the EDR2 (Extended dose range, the Kodak and the U.S) it used the Film and it got film scanner it got the beam profile. The partial transmission block and the MLC bias characteristic, accuracy and stability of production for, it shared at hour and comparison it analyzed. Result : The partial the transmission block compares in the MLC and the block production is difficult and production hour also above 1 hours. The custom the block the place where it revises the error of the junction is a difficult problem. If use of the MLC the fabrication will be break and only the periodical calibration of the MLC it will do and it will be able to use easily. Conclusion : The Inguinal there is to LN treatment and partial transmission block and the MLC there is efficiency of each one but there is a place where the junction of block for partial transmission block the production hour is caught long and it fixes and a point where the control of the block is difficult. like this problem it transfers with the MLC and if it treats, it means the effective treatment will be possible.

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Evaluation of sampling and analytical method for emission experiment of pollutants in building materials using small chamber (소형챔버를 이용한 건축자재 오염물질 방출시험방법 평가)

  • Lee, Suk-Jo;Jang, Seong-Ki;Kim, Mi-Hyun;Lee, Hong-Suk;Lim, Jun-Ho;Jang, Mee;Seo, Soo-Yun
    • Analytical Science and Technology
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    • v.18 no.4
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    • pp.344-354
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    • 2005
  • This study was carried out to evaluate the performance of a small chamber sampling and analytical method for the measurement of total volatile organic compounds (TVOC) and formaldehyde (HCHO) emission from building materials. While VOC was determined by the adsorbent tube sampling and sequential thermal desorption coupled with GC/MSD analysis, formaldehyde sampled with DNPH-silica cartridge was analyzed by HPLC. Wide-range performance criteria such as repeatability, desorption efficiency, emission chamber recovery test, duplicate precision, breakthrough volume and method detection limits were investigated for the evaluation of small chamber method. The overall precision of the small chamber sampling and analytical methods was estimated within 20~30% for target compounds. In conclusion, this study demonstrated that the small chamber sampling and analytical method can be reliably applied for the measurement of building materials pollutants.

Expression Analysis System of Game Player based on Multi-modal Interface (멀티 모달 인터페이스 기반 플레이어 얼굴 표정 분석 시스템 개발)

  • Jung, Jang-Young;Kim, Young-Bin;Lee, Sang-Hyeok;Kang, Shin-Jin
    • Journal of Korea Game Society
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    • v.16 no.2
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    • pp.7-16
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    • 2016
  • In this paper, we propose a method for effectively detecting specific behavior. The proposed method detects outlying behavior based on the game players' characteristics. These characteristics are captured non-invasively in a general game environment and add keystroke based on repeated pattern. In this paper, cameras were used to analyze observed data such as facial expressions and player movements. Moreover, multimodal data from the game players was used to analyze high-dimensional game-player data for a detection effect of repeated behaviour pattern. A support vector machine was used to efficiently detect outlying behaviors. We verified the effectiveness of the proposed method using games from several genres. The recall rate of the outlying behavior pre-identified by industry experts was approximately 70%. In addition, Repeated behaviour pattern can be analysed possible. The proposed method can also be used for feedback and quantification about analysis of various interactive content provided in PC environments.

Lee Chang Dong : Film Making as a 'Repetition' Creating Ethics (이창동 작가론 : 윤리를 창조하는 '반복'으로서의 영화 만들기)

  • Lee, Hyun-Seung;Song, Jeang-Ah
    • The Journal of the Korea Contents Association
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    • v.12 no.2
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    • pp.116-126
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    • 2012
  • As a film maker, Lee Chang Dong stands out from most Korean film makers who work within the trappings of genre films. To be sure, Lee has also used the trappings of genre films, such as noire and melodrama, but primarily as a tool to communicate with film audience. In his most recent film "Poetry", Lee seems to have even stripped even the minimal trappings of genre film. Lee commands the audience to self-reflect and work towards their own conclusions by denying them the illusory identification on screen. In this way, Lee's works are counter cinema. Lee achieves a distancing effect using such filmic apparatuses as hand-held camera, fantasy, mise en abyme, and returned gaze. Through these filmic apparatuses, Lee exposes the re-presentation of text and compels his audience to see the historical and political contexts of the text. In this study, I make the case that Lee Chang Dong's film making is an act of repetition compulsion that cultivates ethical reflection, through symbolization of the invisible realities.

INTERRATER RELIABILITY OF CARIES DIAGNOSIS BY DIAGNODENT (Diagnodent를 사용한 우식진단법의 검사자내 신뢰도에 관한 연구)

  • Lee, Kwang-Hee
    • Journal of the korean academy of Pediatric Dentistry
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    • v.27 no.1
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    • pp.40-44
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    • 2000
  • The purpose of study was to measure the interrater reliability of the newly developed caries diagnostic instrument, Diagnodent(KaVo, Germany), using a new laser fluorescence techinique. One hundred and three extracted human premolars and molars were examined by Diagnodent, three times for fissures and five times for smooth surfaces. There was no significant difference among the three fissure means, but two combinations showed significant differences among the five smooth surface means. Correlation coefficients of Pearson and Spearman were all above 0.9(P<0.01). The $\alpha$ values from reliability analysis were 0.9980 or 0.9981 for fissures and 0.9992 for smooth surfaces.

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Probe Pitch에 따른 Si 식각 특성 연구

  • Han, Seok-Man;Sin, Jae-Cheol;Go, Hang-Ju;Han, Myeong-Su
    • Proceedings of the Korean Vacuum Society Conference
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    • 2012.08a
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    • pp.316-316
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    • 2012
  • 본 연구에서는 Si wafer에 마스크 공정 및 Slit-etching 공정을 적용하여 25 um 피치의 probe unit을 개발하기 위해 Deep Si Etching 장비를 이용하여 식각공정 조건에 따른 특성을 평가하였다. 25 um pitch는 etch 폭의 크기에 따라 3종류로 설계하였으며, 식각공정은 2수준, 4인자 실험계획법에 의해 8회 실험을 수행하였다. 실험계획법에 의해 미니탭을 활용하여 최적조건을 구한 결과 12.5 um etch 폭에서는 가스유량은 200 sccm, 에칭시간 7 sec, 코일 파워 1500W, 에칭 압력은 43.7 mtorr의 조건이 etch 형태 및 profile angle이 목표치에 근접한 결과를 얻었다. 또한 probe pitch를 30~60 um까지 증가시켰을 경우 Etch depth는 증가하였으며, 식각율 또한 증가한 현상을 보였다. 재현성 실험을 위해 위의 최적조건을 이용하여 2회 반복하여 실험한 경우 모든 시편이 목표치에 도달하였다. 이는 미세피치화 되는 프로브 유닛의 기초데이터로 활용될 수 있다.

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발측정을 위한 인체 족형 의사결정시스템 개발

  • 김시경;황인극;김진호;김용진
    • Proceedings of the Society of Korea Industrial and System Engineering Conference
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    • 2002.05a
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    • pp.297-302
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    • 2002
  • 족형 설계를 위한 발 치수의 측정과 관련된 국내 연구는 매우 부진한 형편이다. 발과 관련된 치수의 자료로는 1992년 공업진흥청(현 중소기업청)에서 실시한 국민인체 측정 조사 연구 (공업 진흥청, 1992)와 1997년 국민체위조사를 바탕으로 국민 치수 표준화 연구(기술표준원, 1999) 등 극히 미미한 실정이다. 그리고 측정된 데이터는 주로 마틴식기기를 사용하여 측정함으로 측정시 생길 수 있는 여러 오차, 즉 측정오차, 입력오차 등을 내재하고 있는 실정이다. 이 논문에서는 측정시 생길 수 있는 오차를 최소화하면서 반복성과 재현성이 뛰어난 3D 측정기기를 선정, 사용하여 일반적인 신발제작자들이 필요로 하는 그리고 일반 논문에서 제시한 신발 제작시 요구되는 발 치수에 관련된 데이터를 얻기 위한 의사결정지원시스템을 전개하였다.

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