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Performance Evaluation of the Tumor Tracking Method Using Beam on/off Interface for the Treatment of Irregular Breathing (호흡이 불규칙한 환자의 치료를 위한 Beam on/off Interface를 이용한 종양 추적 치료 방법의 성능 평가)

  • Lee, Minsik
    • Journal of the Korean Society of Radiology
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    • v.12 no.3
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    • pp.343-349
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    • 2018
  • Dose rate regulated tracking is known to be an efficient method which adaptively delivers tracking treatments when patient breathing is irregular. The Motion Management Interface (MMI, Varian Medical System, CA), which provides beam on/off switching during treatment is available for clinic. Study is to test if delivering the adaptive tumor tracking is feasible for irregular breathing using beam switching with MMI. 55 free breathing RPM traces acquired from lung cancer patients are used. The first day RPM traces of the patients are utilized to design preprogrammed tracking MLC patterns, of which periods are intentionally reduced by 20% in order to catch up the variation of patient breathing irregularity in the treatment day. Eligibility criteria for this technique are the variation of amplitude and period less than 20%. An algorithm which determines beam on/off every 100 ms by considering the preprogrammed (MLC) positions and current breathing positions is developed. Tracking error and delivery efficacy are calculated by simulating the beam-switching adaptive tracking from the RPM traces. Breathing patterns of 38 patients (70%) met the eligibility criteria. Tracking errors of all of the cases who meet the criteria are less than 2 mm (average 1.4 mm) and the average delivery efficacy was 71%. Those of rest of the cases are 1.9 mm and 48%. Adaptive tracking with beam switching is feasible if patient selection is based on the eligibility criteria.

The Study on Body Language in Animation as Functional Aspects -Focusing on Mulan, Beauty and the beast, Aladdin, Sinbad- (기능론적 관점에서 본 애니메이션의 신체언어 연구 - 뮬란, 미녀와 야수, 알라딘, 신밧드를 중심으로-)

  • Chung, Mi-Ghang;Lee, Mi-Young;Kim, Sung-Hee;Kim, Jae-Ho
    • Archives of design research
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    • v.20 no.1 s.69
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    • pp.55-64
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    • 2007
  • Non-verbal communications are important because they support and replace verbal communication. Body language of various non-verbal communications is the communication using the body. In animation, expression of body language is very important because characters play an important role in communicating the scenario. Animation has a dual communication structure, different from general communication. One is the communication between the speaker character and the hearer character, the other is the image and the audience, which includes the communication between the speaker character and the hearer character. In this study, we divide the body language from the characters into the discourse-in act and discourse-out act according to this dual structure and classify it into adaptors, emblem, illustrator, regulator, affect display by a functional approach method. Especially, the illustrator is subdivided into pragmatic speech act. Finally, this study analyzes the features of body language in animation and represents animation character's body language for an effective expression of the communications in animation.

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Properties of translucent zirconia and lithium disilicate glass-ceramics: a literature review (반투명 지르코니아와 리튬디실리케이트 결정화유리의 물성에 관한 문헌고찰)

  • Cha, Min-Sang;Kim, Ye-Jin;Ko, Kyung-Ho;Park, Chan-Jin;Cho, Lee-Ra;Huh, Yoon-Hyuk
    • Journal of Dental Rehabilitation and Applied Science
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    • v.38 no.2
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    • pp.71-80
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    • 2022
  • Although low translucency 3 mol% yttria stabilized tetragonal zirconia polycrystal has excellent mechanical properties, it has limited application as a monolithic prosthesis. To improve these optical limitations, translucent zirconia has improved esthetics due to an increase in the cubic phase; however, it is accompanied by a decrease in mechanical properties simultaneously. Lithium disilicate has improved its mechanical properties through crystal size reduction and various heat treatment methods; therefore, its clinical application range is continuously increasing. Translucent zirconia shows a wide distribution of physical properties depending on the yttria content and lithium disilicate according to the size and density of crystal grains. As a result, the indications for translucent zirconia and lithium disilicate are increasing. Therefore, in this literature review, we intend to examine the rationale behind the material selection criteria in clinical situations and considerations for designing fixed dental prostheses including pontic, in particular, by summarizing recent studies.

Water Management Vulnerability Assessment Considering Climate Change in Korea (기후변화에 따른 우리나라 물 관리의 취약성 평가)

  • Kim, Yeon-Kyu;Yoo, Jeong-A;Chung, Eun-Sung
    • Journal of Climate Change Research
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    • v.3 no.1
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    • pp.1-12
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    • 2012
  • In order to use as basic data of adaptation, this study focused on a 'Water management vulnerability estimation' in Korea. Vulnerability is estimated dividing into flood mitigation and water resource management. Temporal resolution is 2000 year and the future 2020 year, 2050 year, 2100 year via A1B scenario. Time series data was normalized. Then weight that is gotten through delphi investigation was multiplied. Vulnerability is calculated through this process. In flood mitigation vulnerability, it was estimated to adaptation ability affect relatively biggest influence. In future, some area of Gangwon-do was analyzed that the flood mitigation vulnerability increases. In water resource management, it was estimated to climate exposure affect relatively biggest influence. At 2020 yr, there is a trend toward increased in the Chungcheongbuk-do and DaeJeon, Daegu, some area of Gyeongsangnamdo. Because this study evaluate relative vulnerability of whole country and analyzed spatial distribution, when local government establishes climate change adaptation details enforcement countermeasure, this study can give help to grasp whether should invest more in some field.

Unlinked and Convertible Total Elbow Arthroplasty (비연결형 및 전환형 주관절 전치환술)

  • Moon, Jun-Gyu;Chun, Sung-Kwang
    • Clinics in Shoulder and Elbow
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    • v.16 no.2
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    • pp.163-169
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    • 2013
  • Designs of total elbow arthroplasty have been evolving with clinical experiences. Newer implants are expected to resolve current limitations and improve long term outcomes. This review article focuses on the basic knowledge of unlinked and convertible total elbow arthroplasty. There have been a variety of designs of unlinked total elbow prostheses. Some implants are still used in the market, while others are no longer commercially available. Modified and newer designs include more congruent contact surface, stemmed implant, and radiocapitellar arthroplasty. Two convertible elbow prostheses have been developed, and one implant is currently available in Korea. Conversion from an unlinked to a linked mode is performed by adding a linking cap. Unlinked total elbow arthroplasty, which restores native elbow kinematics, has a biomechanical rationale of lowering polyethylene wear and loosening of implants. It can be indicated in younger and higher demand patients, who have adequate bone stock and soft tissues. Convertible total elbow arthroplasty broadens implant selection and simplifies revision surgery. These newer prostheses possibly improve the long term outcomes and resolve disadvantages of linked prostheses in total elbow arthroplasty.

Framework for Socially Intelligent Agent using Three-Layered Affect Functioning Model (3단계의 사고 작용 모델을 응용한 사회적 감성지능 에이전트 프레임워크)

  • Shin, Hun-Yong;Woo, Woon-Tack
    • 한국HCI학회:학술대회논문집
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    • 2008.02a
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    • pp.522-527
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    • 2008
  • Socially Intelligent agent is the agent not only having the ability to recognize and to process human affect through learning and adaptation, but also having human-like social intelligence. By making human feel familiar with the computer, the agent is expected to enhance human-computer interaction (HCI) by providing users with the personalized services and interfaces. This paper proposes the framework for socially intelligent agents behaving socially according to the emotions recognized by ID3 algorithm and psychological OCC model. Also, the agent could process with the emotion to make socially intelligent response through three layered affect functioning model. Finally, the proposed agent can be applied for the development and application of socially intelligent agent in wide areas as the agent framework having similar affect and cognitive structure with human being.

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A Study on The New Conceptual Faucet Design to Which Flow-meter is attached (유량 측정기기 부착 수전금구 디자인에 관한 연구)

  • 박성룡
    • Archives of design research
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    • v.17 no.2
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    • pp.351-362
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    • 2004
  • Generally, they respond to a phenomenon, with their any way, which they have looked at in their surroundings, and also put into their action successively and variously according as what it is. A person who has not so much problems in experiential education added to mental and physical ability prefers controlling his manner by himself as seeing, listening and feeling to being cured it by other physical support. Meanwhile, even though there are tools that we use conveniently in everyday life, it is sometimes required that user is able to control his action by himself with a certain interactive function to deal with a accidental situation. For example, in the home, when they were cooking, washing dishes and taking a bath they would not often control their minds on how to act about flowing water through the faucet going back and forth between saving and easygoing. By reasons of those statements, the project has been studied to propose the new conceptual faucet which digital technology is applied to, for recognizing the volume of water flowed through water pipe as counting it with built-in flow meter, and then saving water as controling the water-flow with faucet lever. It means that homemakers can observe the flow rate of water from the faucet placed in front of the sink in kitchen and control it right away for saving water. For studying this project, the kinds and features of the various flow-meters that measure the volume of water-flow were researched and analyzed for taking a reasonable type to the new ideal faucet. According to this analyzing, turbine-flow-meter was selected as appropriate form for the digital display-built-in faucet that would be presented in this project. As the next step, the basic structure was created for developing a new conceptual faucet. Finally two models have been presented through several steps for making the suitable shape to the new style faucet.

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Design of safety equipment for the parking (자동차 주ㆍ정차를 위한 안전장비 디자인에 관한 연구)

  • 김기수
    • Archives of design research
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    • v.16 no.1
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    • pp.281-288
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    • 2003
  • Beyond the millennium industrial development affects all of our life, and the growth of the automobile among them provides us with convenience of the living. One, however, was regarded as important to recognize the safety of the parking rather today than any past, getting together with the increasing auto population into the popularization gradually. It was needed to develope an active system and safety equipment in order to protect against an accident because there were so many accidents during the parking about which one felt relief. The objectives of this study was to develop a supporting structure with high static friction, adapt to various road environments, such as an unpaved road, a wet paved road, controling an angle, considering a portable and moveable device in order to prevent an accident during parking. As it mentioned above, the novel supporting structure had four strengths rather than a previous supporting structure, a practical new design (1998 084336 B60C) The implication of the study was the inspiration from warning of the parking accident almost 10 % of the total traffic accident in Korea, tries to find a solution to a problem in order to decrease the parking accident, in addition, makes it regulation ,and it was implied to the orientation about the popularization and the practical use of the new supporting structure which was developed

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Historic Development of Navajo Textiles - Focus on the Classic Period - (Navajo 직물의 역사적 발달에 대한 연구 - 고전시대를 중심으로 -)

  • 정미실
    • Journal of the Korean Society of Costume
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    • v.45
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    • pp.5-16
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    • 1999
  • 본 연구의 목적은 Navajo 직물의 역사적 발달을 고전시대를 중심으로 살펴보고 특히 외부영향에 따른 직물의 변화를 고찰하는데 있다. 구체적으로 1) 고전시대의 전통적인 직물은 어떻게 발달하였는가\ulcorner 2) 고전시대 직물의 전통적 요소와 외부영향요인은 어떤 점이 다른가\ulcorner 예 초점을 맞추었다. 연구방법은 아메리카 인디언의 이동,문화 Navajo 직조 및 직물에 대한 문헌을 바탕을 조사하였고 아리조나 주립박물과 아리조나 역사 박물관을 방문하였으며 박물관 안에 있는 전문가들의 조언을 듣고 연구의 자료를 보완하였다. 또 비교 미학적 차원에서 고전시대 navajo 직물의 전통적 요소와 외부영향 요인을 분석하였고 외부영향을 받은 직물의 예를 시각적자료로 제시하였다. 이연구는 인디언직물에 대한 이해, 고전시대. Navajo 직물의 문헌고찰을 통한 민족의복의 문화적측면에 기여할수 이고 현대적 감각을 지닌 Navajo 직물을 한국직물에 접목 응용하는데 도움을 줄수 있다 본 연구의 결과는 다음과 같다. 1. Navajo 직물을 고전, 전환, 양탄자 시대로 구분되었고. 이중에서 고전시대가 navajo 직물의 특성을 가장 잘 나타내었으며 발달된 직조기술을 보였다. Navajo인들의 직조기술은 1863년경 최고조에 달했다. Navajo 직물의 디자인 주제로 주로 인간을 둘러싸고 있는 환경에서 얻어졌고 이것들은 직선의 기하학적 형태로 구체화되었다. 또한 직물에 표현된 색도 자연과 밀접한 관련성을 갖는 있었다. 2. Navajo 직물의 주용한 용도는 여성용 드레스, 남성용 셔츠는 어깨에 걸치는 두르개였다. 여성용 드레스는 동일한 크기의 직물의 두장을 직조한 후에 꿰매었고 남성용 셔츠는 머리가 들어갈수 있는 구멍이 있는 장방형 판쵸 스타일이었다. 어깨에 걸치는 두르개는 여성의 경우 가운데가 검은색이고 가장자리가 푸른색인형태오 흰색과 붉은 색이 교대로 나타나는 형태의 2가지가 있었고 남성용은 고전시대의 대표라고 일컬어지는 족장 두르개였다. 3. Navajo 직물은 외부의 영향을 받아 많은 변화를 가져왔다. 즉 스페인 사람들로 인하여 면 섬유대신 양모섬유를 사용하게 되었고 전통적 모양과 다른직물이 출현하게 되었다. 또한 인디고 염류, 색소니 실, 바에타 직물의 도입으로 다양한 색상의 표현이 가능해졌고 이와 관련하여 다이아몬드 십자형 톱니형 무늬드이 나타나게 되었다. 4, 고전시대를 대표하는 직물로 족장 두르개, 쇼올, 안장덮개를 들수 있으며 이 직물들에서 뚜렷하게 외부영향 요인을볼수 있다. 즉 족장 두르개의 가장 정교한 단계에서 다이아몬드 무늬가 가장가리 가운데 모서리에 위치하여 9지점 배치를 이룬 것 쇼올의 경우 폭보다 길이가 긴 형태의 비전통적 모습을 나타낸 것 안장덮개에서 보여지는 여덟포인트 별 무늬도 외부의 영향을 받은예이다. 뛰어난 직조기술로 유명한 navajo인들은 변화에 잘 적응하는 특성을 갖고 있었다. 외부의 영향을 그들은 긍정적으로 받아들였고 자기 자신들의 필요에 맞도록 수정하여 정체감을 잃지 않으면서도 문화를 발전시켰다. 따라서 고전시대의 Navajo 직물은 고유적 요인과 외래적 요인의 조화를잘 나타내고 있으며 디자인의 탁월함이 세련됨 천연염료와 인조염료의 배\ulcorner에 의한 색상의 우월성 등으로 오늘까지 높이 평가되고있다.

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Study on Customized Education through Job Analysis for the Department of Furniture Design -Focusing on the Computer Application-Oriented Education for Furniture Design Coordinator-

  • Lee, Young-Choon;Shin, Rang-Ho
    • Journal of the Korea Furniture Society
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    • v.21 no.6
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    • pp.505-514
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    • 2010
  • The aim of study is to suggest the improvement of the major curriculum used in the department of furniture design in two-year colleges. For this purpose two processes were conducted step by step. The first phase was to evaluate the jobs selected by job analysis specialist and staffs in charge in July 2009, and to analyze what are the desired points for the good adaptability and business improvement in case that student would find job in relevant field after graduating from colleges. Furniture design coordinator hereupon was selected as the object and DACUM (Developing A CurriculUM) was applied to the method of job analysis. In the second process conducted from September 2009 to October 2010, the customized curriculum based on the result from the first phase was newly opened to help student create any design result. This study was composed of the result of job analysis, the customized curriculum based on it and the research of efficiency through the end result and finally the discussion how to improve the customized education for the future. It is no doubt very important process for the step up of quality of college education, the improvement of students' competence and their good adaptability after finding jobs. This study should lay the foundation of different job analysis and the customized curriculums accordingly for not only furniture design coordinator, also for various furniture design-related jobs, and furthermore it should be expected that the continuous research and development contributes to the realization of college education to raise excellent students.

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