• Title/Summary/Keyword: digital representation

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Analysis of G4 Science Digital Textbook according to Universal Design for Learning (보편적 학습 설계의 관점에서 초등학교 4학년 과학 디지털 교과서 분석)

  • Seo, Jeong-Hee;Sung, Jung-Hee;Koo, Yang-Mi
    • Journal of Korean Elementary Science Education
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    • v.30 no.4
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    • pp.442-458
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    • 2011
  • Digital textbook project is one of government-driven project to improve education due to integrating technology. Digital textbook need to be universally designed to fit for each student. Recently, universal design for learning( UDL) gains great attention as one of promising approaches for the development of the digital textbook through giving various options and flexibility to all students. UDL has three main principles, first provide multiple means of representation, second provide multiple means of action and expression, third provide multiple means of engagement. The purpose of the study is to analyze fourth grade science textbook according to three UDL guidelines and suggest implications to improve an existing science textbook. The results indicated that fourth grade science digital textbook has been partly applied UDL guidelines like implementing multimedia and multi- mode contents, learning and communication tools, and motivation strategies. But options which students can choose according to their needs and styles are insufficient and tools for expression and communication need to enhance for helping each student to overcome his/her obstacles for learning and need to be more and elaborate to support learner-centered science digital textbook.

Prototype Development for Optimization Technique of 3D Visualization of Atmospheric Environmental Information (기상 및 대기질 정보의 3차원 표출 최적화를 위한 시제품 개발 연구)

  • Kim, Gunwoo;Na, Hana;Jung, Woo-Sik
    • Journal of Environmental Science International
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    • v.28 no.11
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    • pp.1047-1059
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    • 2019
  • To address the increase of weather hazards and the emergence of new types of such hazards, an optimization technique for three-dimensional (3D) representation of meteorological facts and atmospheric information was examined in this study as a novel method for weather analysis. The proposed system is termed as "meteorological and air quality information visualization engine" (MAIVE), and it can support several file formats and can implement high-resolution 3D terrain by employing a 30 m resolution digital elevation model. In this study, latest 3D representation techniques such as wind vector fields, contour maps, stream vector, stream line flow along the wind field and 3D volume rendering were applied. Implementation of the examples demonstrates that the results of numerical modeling are well reflected, and new representation techniques can facilitate the observation of meteorological factors and atmospheric information from different perspectives.

Study of Furniture Design Utilizing 3D Printers Joris Laarman (요리스 라만(Joris Laarman)의 3D프린터를 활용한 가구디자인에 관한 연구)

  • Lee, Hyun Jung
    • Journal of the Korea Furniture Society
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    • v.27 no.2
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    • pp.128-136
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    • 2016
  • Digital designs that appear in the three-dimensional virtual space by the digital type are designed as there is not an image created with an organic artificially generated (Creation) and representation (Modifying), developed by the specific environment given. The advanced digital design will produce a result with an algorithm according to a mathematical operation and the environment and has the nature of generating the real world, changes, development and affinity (Genetic Process). The digital design process is largely defined by a set of processes that are consistently designed to integrate form of creation, reproduction, proceeds in three steps, while the manufacture and assembly as a form of maintenance as possible the intended form of control data from the concept of building. By Joris Laarman 3D printer design is a simulation created by the digital process by the various algorithms and design achieved through the development of 3D printers, such as new materials and MX3D. From the mold production of a complex whole by using a robot and other digital production tool extracts a variety of forms.

A Study on methodology of physical Fabrication & reorganization of Epidermis in Space Design - Focused on reorganization of Epidermis, Fabrication - (공간디자인에서 디지털 표피 재 조직화, 물리적 구현 방법 연구 - 표피 재 조직화, 가공 중심으로 -)

  • Park, Jeong-Joo
    • Korean Institute of Interior Design Journal
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    • v.17 no.2
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    • pp.150-161
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    • 2008
  • It requires more close cooperation process and mediator for smooth communication in this industry structure where design and engineers are separated. The database of design integrates separate system and helps connection between organizations. The application category is utilized variously from formation to operation. Architectures addressed in this content as Frank Gehry and Nox are making differentiated design on the base of 3d digital methodology and using it widely from generation to fabrication. Especially they got to be free from the generative limit as it became available to analyse, digital surface organization, and realize the complex system form. Now more integrated and delicate works got to be affordable owing to various kinds of improved CNC, RP(rapid-prototype) machines, and architecture hardwares. With a linkage of software now at their disposal, architects can create a digital model of a building and all of its design elements, and in turn use this 3d information to construct actual building components using machines driven by CNC and other advanced manufacturing techniques. Digital technologies are enabling a direct correlation between what design and construction, thus bringing to the forefront the issue of the significance of information, the production, communication, application, and control of digital information in the industrial system. The central requirement is the clear, reliable, and consistent exchange of information among all parties involved in creating a given project.

A Study on the simulation of Stage Costume applying CAD System (CAD System을 활용한 무대의상 시뮬레이션에 관한 연구 (Utilizing DC Suite program))

  • Park, Youshin;Choi, Youngro
    • Journal of Fashion Business
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    • v.17 no.1
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    • pp.145-156
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    • 2013
  • The purpose of this study is to demonstrate the stage costumes realized by digital clothing ; how realistic and accurate representation of empirical testing and in the consultation process for the production stage costumes, determine whether digital clothing has value that can be substituted for the stage costume. This study researched the stage costume manufacture, Isabel's costume of the musical 'Christmas Carol', process by using the 3-D clothing simulation technology : DC Suite. The results of this study is as following. They share many similarities between the stage costumes and digital clothing. It is possible that digital clothing takes a role as a substitute for stage costumes in the production process of the clothing samples. The clothing production system, including stage costumes, by digital clothing costs and lead time can be saved by innovative. Also the result can be saved without restriction, and this system can exert its effect in a very efficient way to incorporation of foreign producers and production system.

An Introduction to English Intonational Phonology (영어 억양음운론의 소개)

  • Kim, Kee-Ho
    • Speech Sciences
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    • v.6
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    • pp.119-143
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    • 1999
  • In this paper, the development of English Intonational Phonology is introduced. The existing representation systems of intonation are largely divided into the American structuralist school and the British school, which describe intonation by means of 'levels' and 'configurations' respectively. Both representation systems have some theory-internal problems, however. As for the American school, there is no way to represent pitches much lower than the reference line, while the system of intonation in the British school is limited in that intonation is described in a phonetic impressionistic way rather than from a phonological perspective. Intonational Phonology, a real phonological approach, which has grown out of the basic assumptions of autosegmental-metrical(AM) theory has been suggested by Pierrehumbert(1980). In her approach, an intonational tune is made up of one or more pitch accents, followed by an obligatory phrase accent and an obligatory boundary tone, and interestingly 22 combinations are possible. Intonational Phonology has been revised from Beckman & Pierrehumbert(1986) in developing ToBI(Tones & Break Indices), a proposed standard for labelling prosodic features of digital speech databases in English.

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Analysis on the Backgrounds Expression for 3D Animation (3D 애니메이션의 배경 표현에 관한 분석)

  • Park, Sung-Dae;Jung, Yee-Ji;Kim, Cheeyong
    • Journal of Korea Multimedia Society
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    • v.18 no.2
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    • pp.268-276
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    • 2015
  • This article analyzes the background representation of 3D animation and look at what its proper background expression. With the development of computer graphics technology, the background of the 3D animations can be expressed as The actual background. In contrast, "The Smurfs" which was released recently was created to take the actual background. However, 3D animation with real background is not appropriate in terms of creative expression space in the main role of the animation. In this Study, we analyze the character and background of the animation made in 3D graphics. Based on this, we propose a correct representation of 3D animation background.

A Study on Map Projection and Distortion (지도투영과 투영왜곡에 관한 연구)

  • 전재홍;조규전
    • Journal of the Korean Society of Surveying, Geodesy, Photogrammetry and Cartography
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    • v.16 no.2
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    • pp.327-335
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    • 1998
  • Many kinds of map projection have been used, since this cannot be done without a distortion and seemless representation of the globe. To overcome the continues representation of large digital terrain information by the global coordinate system , to find out the sources of projection error and optimizing method, and to increase the map accuracy, specific map projection researches are needed. In this study, improvements of map projections are suggested for small scale mapping which covering entire Korean peninsula based on theoretical evaluation and limits of current map projection. Furthermore, distortion factors, positional errors, and accuracy increasing method are evaluated.

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Face Sketch Synthesis Based on Local and Nonlocal Similarity Regularization

  • Tang, Songze;Zhou, Xuhuan;Zhou, Nan;Sun, Le;Wang, Jin
    • Journal of Information Processing Systems
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    • v.15 no.6
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    • pp.1449-1461
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    • 2019
  • Face sketch synthesis plays an important role in public security and digital entertainment. In this paper, we present a novel face sketch synthesis method via local similarity and nonlocal similarity regularization terms. The local similarity can overcome the technological bottlenecks of the patch representation scheme in traditional learning-based methods. It improves the quality of synthesized sketches by penalizing the dissimilar training patches (thus have very small weights or are discarded). In addition, taking the redundancy of image patches into account, a global nonlocal similarity regularization is employed to restrain the generation of the noise and maintain primitive facial features during the synthesized process. More robust synthesized results can be obtained. Extensive experiments on the public databases validate the generality, effectiveness, and robustness of the proposed algorithm.

Geometric Kernel Design of the Web-Viewer for the PDM Based Assembly DMU (PDM기반 조립체 DMU를 위한 웹뷰어 형상커널의 설계)

  • Song, In-Ho;Chung, Sung-Chong
    • Transactions of the Korean Society of Mechanical Engineers A
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    • v.31 no.2 s.257
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    • pp.260-268
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    • 2007
  • Demand for the use of 3D CAD DMU systems over the Internet environment has been increased. However, transmission of commercial 3D kernels has delayed the communication effectiveness due to the kernel size. Light weight CAD geometric kernel design methodology is required for rapid transmission in the distributed environment. In this paper, an assembly data structure suitable for the top-down and bottom-up assembly models has been constructed. Part features are stored without a hierarchy so that they are created and saved in no particular order. In particular, this paper proposes a new assembly representation model, called multi-level assembly representation (MAR), for the PDM based assembly DMU system. Since the geometric kernel retains assembly hierarchy and topological information, it is applied to the web-viewer for the PDM based DMU system. Effectiveness of the proposed geometric kernel is confirmed through various case studies.