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Stimulating Nearly Correct Focus Cues in Stereo Displays

  • Akeley, Kurt;Banks, Martin S.;Hoffman, David M.;Girshick, Anna R.
    • 한국정보디스플레이학회:학술대회논문집
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    • 2008.10a
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    • pp.39-42
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    • 2008
  • We have developed new display techniques that allow presentation of nearly correct focus cues. Using these techniques, we find that stereo vision is faster and more accurate, and that viewers experience less discomfort, when focus cues are consistent with simulated depth.

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A study on dental hygiene students' knowledge of hepatitis B (일부지역 치위생과 학생의 B형 간염에 관한 지식도 조사 연구)

  • Park, Sung-Suk
    • Journal of Korean society of Dental Hygiene
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    • v.8 no.2
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    • pp.23-37
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    • 2008
  • The purpose of this study was to examine the knowledge of dental hygiene students about hepatitis B including its seriousness, dissemination, infection route and prevention in an effort to lay the foundation for dental hygiene health education geared toward dental hygiene students who were going to work in clinical field, The subjects in this study were 134 dental hygiene freshmen, 124 sophomores and 102 juniors in some region. The survey was conducted from April 1, to April 14, 2008. An analysis of frequency and X2-test were performed through SPSS 12.0 program. After a survey was conducted, the following findings were given : 1. As for the seriousness of hepatitis B, by academic year the rates of the juniors, sophomores and freshmen who had a correct knowledge stood at 92.6 percent, 84.8 percent and 84.4 percent respectively. Thus, the students were better knowledgeable with academic year. 2. As for dissemination of hepatitis B, by academic year the rates of the juniors, sophomores and freshmen who had a correct knowledge stood at 60.3 percent, 54.8 percent and 52,7 percent respectively. Thus, the students were better knowledgeable with academic year. 3. As for infection route, by academic year the rates of the juniors, sophomores and freshmen who had a correct knowledge stood at 42.9 percent, 44.8 percent and 56.7 percent respectively. Thus, the students were lower knowledgeable with academic year. 4. As for prevention of hepatitis B, by academic year the rates of the juniors, sophomores and fresh men who had a correct knowledge stood at 71.3 percent, 66.5 percent and 58.4 percent respectively. Thus, the students were better knowledgeable with academic year. 5. As for general knowledge of hepatitis B by academic year the rates of the juniors, sophomores and freshmen who had a correct knowledge stood at 54.7 percent, 52.6 percent and 50.7 percent respectively. Thus, the students were better knowledgeable with academic year The findings of the study indicated that many of the students gave the right answers to the questions about the seriousness and prevention of hepatitis B, and that the rate of the correct answers about the route of dissemination was lowest, Accordingly, students should be taught to have a correct understanding of hepatitis B to help provide appropriate preventive treatment and take proper measures.

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A Study on the Abilities and Characteristics of the Systems Thinking for Pre-service Elementary Teachers (예비초등교사들의 시스템사고 능력 및 특성에 대한 연구)

  • Moon, Byoung-Chan;Kim, Hai-Gyoung
    • Korean System Dynamics Review
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    • v.8 no.2
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    • pp.235-252
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    • 2007
  • This study focused on the analysis of the abilities and characteristics of the systems thinking for pre-service elementary teachers. Systems thinking is defined as the ability to see the world as a complex system in which one understands that everything is connected to everything else. For this study, 345 subjects carrying of the 2nd grade were selected and participated in making out the protocol developed by Sweeney and Sterman(2000) for the estimating ability of the systems thinking. As a result, the proportion of the correct answers based on the total points of view was 63%. However, the proportion of correct answer was considerably different according to the gender. The women group showed 53%, while the men group was 76%. Especially, there was a great difference in the rates of correct answer depending on their academic tracks of the humanities or natural science courses in the high school. The average rates of the correct answers for the natural science and the human science were 84 and 46%, respectively. Consequently, the ability of the systems thinking for pre-service elementary teachers is highly related with their gender and learning experience in the high school. The results of this study may contribute the practical use of the systems thinking in the area of the science education.

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Research about a game image 3D versification (3D 게임영상 작성법에 관한 연구)

  • Lee Dong-Lyeor
    • Journal of Game and Entertainment
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    • v.1 no.1
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    • pp.31-38
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    • 2005
  • Correct flow of various game manufacture among the justice which is used at the game development. and The understanding about the manufacture regards we making rather correct game. We justice understanding which we are correct in the image manufacture to become the reason air control of the game and We put the center in a 3B game image manufacture understanding. we are marked in maneuvered the game in actual game good. The image of the back of Cut Scene which is inserted at an opeuning incomparableness event time, we have been produced in this method. The thing which a 3D game image is utilized in a special effectiveness image though it is different from the game in the theater movie, we are the graphic which a game manufacture o'clock must be considered. The reason air control which the game player Is rather correct, we are regarded we offer the reason to immerse with his game.

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Relationship of Knowledge, Attitude, Correct Metered Dose Inhaler Use, and Self-management Compliance among Patients with COPD (만성폐쇄성폐질환의 지식, 태도, 정확한 정량식 분무기 사용 및 자가관리 이행)

  • An, Min-Hee;Choi, Ja-Yun
    • Korean Journal of Adult Nursing
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    • v.24 no.2
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    • pp.160-170
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    • 2012
  • Purpose: The aim of this study was to assess knowledge, attitude, correct metered dose inhaler (MDI) use and compliance with self management among patients with chronic obstructive pulmonary disease (COPD). Methods: The participants of this study consisted of 109 COPD patients who were outpatients in C and K hospital located in G city from March 1 to September 30th, 2010. Data were measured using self-administered questionnaires and observational checklist. The data were analyzed using SPSS/WIN 18.0 program that included mean, standard deviation, ANOVA, Sheffe test, and Pearson's correlation. Results: There were significant relationships between knowledge and attitude (r=.33, $p$ <.001), between knowledge and correct MDI use (r=.37, $p$ <.001), and between knowledge and self-management compliance (r=.28, $p$=.003). There was significant relationship between attitude and self-management compliance (r=.33. $p$ <.001). In contrast, attitude was not significantly related to correct MDI use. Conclusion: The study showed that COPD knowledge and attitude of patients were related compliance in managing their disease. Therefore, strategies need to be utilized in education programs which would improve knowledge and subsequently improve attitude and compliance.

Study on Association of DSOM Items for Uterine Myoma in Oriental Medicine -Control Group: Outpatient and Clinical Trials Data - (자궁근종 여부에 대한 DSOM 항목의 연관성분석 - 대조군 : 한방부인과 외래환자와 임상시험 피시험자 -)

  • Kim, Jong-Won;Kim, Kyu-Kon;Lee, In-Sun
    • The Journal of Korean Medicine
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    • v.28 no.2 s.70
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    • pp.22-33
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    • 2007
  • Uterine myoma is a benign tumor of smooth muscle in the uterine wall. Recently, in Oriental medicine, concerns about uterine myoma patients have increased. We analyzed the medical records for 944 patients, including 257 uterine myoma patients, who visited Dongeui University Oriental Medical Center from May 2001 to June 2006. We investigated the DSOM (Diagnosis System of Oriental Medicine) symptom scores which effect uterine myoma patients using stepwise logistic regression model. Logistic regression analysis indicated as follows: In the control group composed of 558 outpatients, 18 items of DSOM were associated with myoma, 9 positively and 9 negatively, and the results showed that the correct rate was equal to 81.1%, sensitivity 72.8%, and specificity 84.9%. In 129 clinical trials data, 33 items of DSOM were associated with myoma, 18 positively and 15 negatively, and the results showed that the correct rate was equal to 85.8%, sensitivity 84.8%, and specificity 87.6%. In 687 outpatient and clinical trials data, 18 items of DSOM were associated with myoma, 10 positively and 8 negatively, and the results showed that the correct rate was equal to 82.8%, sensitivity 70.8%, and specificity 87.3%.

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Correct Implementation of Sub-warp Parallel Prefix Operations based on GPU Hardware Architecture (GPU 하드웨어 아키텍처 기반 sub-warp 단위 병렬 프리픽스(prefix) 연산의 정확한 구현)

  • Park, Taejung
    • Journal of Digital Contents Society
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    • v.18 no.3
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    • pp.613-619
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    • 2017
  • This paper presents a CUDA (Compute Unified Device Architecture) code to achieve correct GPU parallel segmented prefix operation results with less than 32 segment length for large data arrays. Mark Harris and Michael Garland had published CUDA code to address the tasks. This paper shows that their code does not generate correct results when the local segment length is less than 32, discusses the cause of the problem, and presents a CUDA code that generates correct results. The segmented parallel prefix operation presented in this paper can be applied as a building block to various large parallel processing algorithms including the k-nearest neighbor search problems.

Revisoin of the Daily Dose of Pinelliae Tuber in Treatise on Cold Damage Diseases (≪상한론≫ 탕제(湯劑)에서 반하(半夏)의 일일 복용량 수정)

  • Kim, In-Rak
    • The Korea Journal of Herbology
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    • v.35 no.1
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    • pp.19-25
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    • 2020
  • Objects : The daily dose of Pinelliae Tuber in ≪Treatise on Cold Damage Diseases≫ is half seung in volume, two and half ryang in weight, and fifteen in total number. But the daily dose should be a whole number. So I found out the background of this setting and correct solution. Methods : I searched Classics of Traditional Medicine, found out the background of the daily dose setting, solution. Results : The daily dose of Pinelliae tuber in ≪Hangdi's Internal Classic Miraculous Pivot≫, ≪Bohenggyuljangbuyongyakbeobyo≫ is half seung. ≪Treatise on Cold Dameage Diseases≫ followed the same daily dose of that because it referred to these books. In ≪Synopsis of Prescription of the Golden Chamber≫, the daily dose of that is half seung, one or two seung. The half seung of the Pinelliae Tuber is thirty three mL, but the diameter is 1~1.5 cm that accurate measurement by volume is difficult. The daily dose by weight is correct considering the unity of marking of the daily dose, accuracy of measurement, the fact that Pinelliae Tuber is currently distributed by cutting. So, two ryang is correct which is thirteen gram. Conclusions : Considering the traditionality, the convenience of measurement, the daily dose of Pinelliae Tuber in the ≪Treatise on Cold Damage Diseases≫ is half seung, but considering the unity, accuracy, current state of distribution, it is correct that the daily dose of it is two ryang. It corresponds to thirteen gram.

Alleviation of Overcorrection Problem in Neural Korean Spelling Correction (뉴럴 한국어 맞춤법 교정기에서 과교정(Overcorrection) 문제 완화)

  • Park, Chanjun;Lee, Yeonsu;Yang, Kisu;Lim, Heuiseok
    • Annual Conference on Human and Language Technology
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    • 2020.10a
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    • pp.582-587
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    • 2020
  • 현재까지 한국어 맞춤법 교정 Task는 대부분 규칙기반 및 통계기반 방식의 연구가 진행되었으며 최근 딥러닝 기반의 한국어 맞춤법 교정에 대한 연구가 진행되고 있다. 맞춤법 교정에서 문법적 또는 철자적으로 틀린 부분을 교정하는 것도 중요하지만 올바른 문장이 입력으로 들어왔을 때 교정을 진행하지 않고 올바른 문장을 출력으로 내보내는 것 또한 중요하다. 규칙기반 맞춤법 교정기 같은 경우 문장의 구조를 흐트러트리지 않고 규칙에 부합하는 오류 부분만 고쳐낸다는 장점이 있으나 신경망 기반의 한국어 맞춤법 교정 같은 경우 Neural Machine Translation(NMT)의 고질적인 문제점인 반복 번역, 생략, UNK(Unknown) 때문에 문장의 구조를 흐트러트리거나 overcorrection(과교정) 하는 경우가 존재한다. 본 논문은 이러한 한계점을 극복하기 위하여 Correct to Correct Mechanism을 제안하며 이를 통해 올바른 문장이 입력으로 들어왔을 시 올바른 문장을 출력하는 성능을 높인다.

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Jaws of knowledge: an analysis of temporomandibular joint insights in dental training-a quasi-experiment study

  • Bhushan R. Bhagat;Mahesh R. Khairnar;Samanwita Maity;Muskaan M. Sachdev;Sonal Shah;Ravina Dharamsi
    • Journal of the Korean Association of Oral and Maxillofacial Surgeons
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    • v.50 no.2
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    • pp.80-85
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    • 2024
  • Objectives: To access the knowledge of undergraduate and postgraduate students of the dental college on basic anatomy, physiology, clinical examination, and pathology of the temporomandibular joint (TMJ). Materials and Methods: A total of 610 undergraduate and postgraduate students of dental college, were included in this study. The questionnaire was pretested for validation and distributed online through Google forms. Results: A pairwise comparison showed that the percentage of correct answers for interns significantly differed from that of IV Bachelor of Dental Surgery (P=0.050) and postgraduate students (P=0.048) (below average: up to 6 correct answers, good: 7-11 correct answers, excellent: 12 or more correct answers). Conclusion: TMJ diseases are common in daily life but frequently go undiagnosed and untreated due to a lack of clinical expertise. This demonstrates the necessity of providing instructions that give students in-depth knowledge and abilities for TMJ issues in clinical practice.