• Title/Summary/Keyword: computer graphic

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Design of a Graphic Accelerator uisng 1-Dimensional Systolic Array Processor for Matrix.Vector Opertion (행렬 벡터 연사용 1-차원 시스톨릭 어레이 프로세서를 이용한 그래픽 가속기의 설계)

  • 김용성;조원경
    • Journal of the Korean Institute of Telematics and Electronics B
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    • v.30B no.1
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    • pp.1-9
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    • 1993
  • In recent days high perfermance graphic operation is needed, since computer graphics is widely used for computer-aided design and simulator using high resolution graphic card. In this paper a graphic accelerator is designd with the functions of graphic primitives generation and geometrical transformations. 1-D Systolic Array Processor for Matris Vector operation is designed and used in main ALU of a graphic accelerator, since these graphic algorithms have comonon operation of Matris Vector. Conclusively, in case that the resolution of graphic domain is 800$\times$600, and 33.3nsec operator is used in a graphic accelerator, 29732 lines per second and approximately 6244 circles per second is generated.

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An Implementation of Smooth laser image using universal joint (유니버셜 관절을 이용한 유연 레이저 영상 구현)

  • 김태강;이건영
    • 제어로봇시스템학회:학술대회논문집
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    • 2000.10a
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    • pp.347-347
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    • 2000
  • Nowadays, the Laser image is used to realize multi-media show for events, an advertising media and 3D simulation, realization of video image and so on. It is a hot issue to realize the laser image like computer graphic image. The image used in laser projector is vector graphic image that is described by linking point to point. A computer makes this continuous vector graphic images so that the image shows as an animation. A control signal converted by a computer makes the laser projector draw image. Two motors and universal joint are used to realize 2D laser image in this study. Developing a controller applied Look-ahead algorithm and software to interface with personal computer, This study is the chief aim of improving difference of moving velocity that is appeared from edge of vector graphic image and disparity of graphic density.

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Study on the Plotting of Engineering Survey Plane Using Computer Graphic System (Computer Graphic System을 이용한 선상시설물(線狀施設物) 측량(測量)의 설계도면작성(設計圖面作成)에 관한 연구(研究))

  • Yeu, Bock Mo;Bang, Cheon Ho;Choi, Chul Soon
    • KSCE Journal of Civil and Environmental Engineering Research
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    • v.3 no.2
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    • pp.61-72
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    • 1983
  • This paper is a study on the plotting of engineering survey plan using Computer Graphic System. This study aims for a more systematic method in the computer aided design. Plotting of lines, characters in engineering survey plans are handled in a more systematic and effective way by means of the program developed in this paper.

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A Study on Simulation Effect Technique of C.G : Focusing on the Fire Simulation Effect (CG산업에서 Simulation 표현의 기술적 활용에 대한 연구 - 불의 표현 활용사례를 중심으로 -)

  • Kim, Yong-Kwan
    • Cartoon and Animation Studies
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    • s.17
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    • pp.188-204
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    • 2009
  • This study purpose development cg technique our nation because present Technique limit of Computer graphic R&D that the best competition of 3D Computer graphic part and present a answer of how to overcome Technique limit of Computer graphic R&D with success example of Computer graphic R&D an advanced country. if we make full of mutuality supplementation of C.T and I.T then hold a dominant position and the over the limit solution We researches on multi or group simulation of cyber character and water, fire, wind, fog Simulation System of Computer graphic and purpose development of direction Computer graphic R&D to people in Computer graphic the result of this study and introduction of project of a research institution and inflection method this time is a point of R&D time of determined and resolution instead creative part.

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The Study of the Domestic CTP Plate Development (국산 CTP 판재 개발에 관한 연구)

  • Ha, Young-Baeck;Choi, Jae-Hyuk;Hong, Sung-Kyu;Oh, Sung-Sang
    • Journal of the Korean Graphic Arts Communication Society
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    • v.27 no.1
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    • pp.49-58
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    • 2009
  • Computer to plate technology(CTP) have become fully commercial. The current wide range of computer to plate system and plate makes many potential customers insecure. This process which began around 1995 has now been successfully completed, so that a wide variety of high performance systems is available. The computer to plate method of producing printing plates eliminates films from the production process, thus reducing costs and shortening production times. To discover the optimization formulation of sensitized materials we were changed formulation of resin and violet solution in thermal sensitizers. Also we were analyzed the CTP plate's surface and the result of coating and development at each sample. we were analyzed the effects of development condition as temperature and speed, the plate wear of printing test in C, M, Y, Bk ink. This paper aims to find out suitable ways that we can develop a domestic CTP plate.

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A Study on Real-time Graphic Workflow For Achieving The Photorealistic Virtual Influencer

  • Haitao Jiang
    • International journal of advanced smart convergence
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    • v.12 no.1
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    • pp.130-139
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    • 2023
  • With the increasing popularity of computer-generated virtual influencers, the trend is rising especially on social media. Famous virtual influencer characters Lil Miquela and Imma were all created by CGI graphics workflows. The process is typically a linear affair. Iteration is challenging and costly. Development efforts are frequently siloed off from one another. Moreover, it does not provide a real-time interactive experience. In the previous study, a real-time graphic workflow was proposed for the Digital Actor Hologram project while the output graphic quality is less than the results obtained from the CGI graphic workflow. Therefore, a real-time engine graphic workflow for Virtual Influencers is proposed in this paper to facilitate the creation of real-time interactive functions and realistic graphic quality. The real-time graphic workflow is obtained from four processes: Facial Modeling, Facial Texture, Material Shader, and Look-Development. The analysis of performance with real-time graphical workflow for Digital Actor Hologram demonstrates the usefulness of this research result. Our research will be efficient in producing virtual influencers.