• Title/Summary/Keyword: Visual system

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Construction of Visual Algorithms for the Visual System Analysis of Virtual Reality HMD Devices -Through Interactive Visual System Analysis that Appears in Media Art- (가상현실 HMD기기의 시각체계 분석을 위한 시각 알고리즘 구축 -미디어 아트에서 나타나는 인터렉티브형 시각체계 분석을 통해-)

  • Lim, Sang Guk
    • Journal of Korea Multimedia Society
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    • v.23 no.5
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    • pp.721-727
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    • 2020
  • The change in 21st century imaging media technology is changing our modern visual system. Virtual reality HMD devices, one of the core technologies of 5G, reproduce the new visual system. However, there is a lack of analysis and understanding of the visual operating system to understand the visual system of the fast-changing variety of imaging media. This study analyzed the three visual systems appearing in the recent imaging media art area and presented an engineering perspective algorithm for its procedures and methods. Through these results, we want to build algorithms that understand the visual system of virtual reality HMD devices.

Development of a Robot's Visual System for Measuring Distance and Width of Object Algorism (로봇의 시각시스템을 위한 물체의 거리 및 크기측정 알고리즘 개발)

  • Kim, Hoi-In;Kim, Gab-Soon
    • Journal of Institute of Control, Robotics and Systems
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    • v.17 no.2
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    • pp.88-92
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    • 2011
  • This paper looks at the development of the visual system of robots, and the development of image processing algorism to measure the size of an object and the distance from robot to an object for the visual system. Robots usually get the visual systems with a camera for measuring the size of an object and the distance to an object. The visual systems are accurately impossible the size and distance in case of that the locations of the systems is changed and the objects are not on the ground. Thus, in this paper, we developed robot's visual system to measure the size of an object and the distance to an object using two cameras and two-degree robot mechanism. And, we developed the image processing algorism to measure the size of an object and the distance from robot to an object for the visual system, and finally, carried out the characteristics test of the developed visual system. As a result, it is thought that the developed system could accurately measure the size of an object and the distance to an object.

A New Performance Evaluation Method for Visual Attention System (시각주의 탐색 시스템을 위한 새로운 성능 평가 기법)

  • Cheoi, Kyungjoo
    • Journal of Information Technology Services
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    • v.16 no.1
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    • pp.55-72
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    • 2017
  • Many of the studies of visual attention that are currently underway are seeking ways to make application systems that can be used in practice, and obtained good results using not only simulated images but also real-world images. However, despite that previous studies of selective visual attention are models intended to implement the human vision, few experiments verified the models with actual humans and there is no standardized data nor standardized experimental method for actual images. Therefore, in this paper, we propose a new performance evaluation techniques necessary for evaluation of visual attention systems. We developed an evaluation method for evaluating the performance of the visual attention system through comparison with the results of the human experiments on visual attention. Human experiments on visual attention is an experiments where human beings are instinctively aware of the unconscious when images are given to humans. So it can be useful for evaluating performance of the bottom-up attention system. Also we propose a new selective attention system that guides the user to effectively detect ROI regions by using spatial and temporal features adaptively selected according to the input image. We evaluated the performance of proposed visual attention system through the developed performance evaluation method, and we could confirm that the results of the visual attention system are similar to those of the human visual attention.

A Study on the Improvement of Vibration Analysis of Visual Alignment System Using CAE Method (CAE를 이용한 Visual Alignment System의 진동해석 연구)

  • Lee, Seung-Yoon;Kim, Sung-Rae;Jeong, Jay-I.;Yim, Hong-Jae
    • Transactions of the Korean Society for Noise and Vibration Engineering
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    • v.19 no.8
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    • pp.838-842
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    • 2009
  • Vibrational analysis is presented for a visual alignment system of nano-imprint process in this study. For a nano-imprinting equipment, the visual alignment system is one of the essential parts in order to align the mold into the target panel. For the precision alignment, the vibration from inside and outside of the vision system should be avoided, and the elimination of the vibration should be considered in the design process of the visual alignment design. In this work, vibrational characteristics for the vision system frame is analyzed and topology optimization of a frame section area is carried out. With the results of the analysis, a new frame design are suggested. Design consideration for constructing a visual alignment system in view of optimal design is also discussed.

DRIVING CONTROLOF A VISUAL SYSTEM

  • Sugisaka, Masanori;Hara, Masayoshi
    • 제어로봇시스템학회:학술대회논문집
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    • 1995.10a
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    • pp.131-134
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    • 1995
  • We developed a visual system that is able to track the moving objects within a certain range of errors. The visual system is driven by two DC servo motors that are controlled by a computer based on the visual data obtained from a CCD video camera. The software to track the moving objects is developed based on the PWM of the DC motors. Also, the problems how to implement a fuzzy logic control method and a neural network in this system, are also considered in order to check the control performance of tracking. The fuzzy logic algorithm is a powerful control technique for nonlinear dynamical system and also the neural network could be implemented in this system. In this paper, we present configuration of tracking system developed in our laboratory, the control methods of the visual system and the experimental results are shown.

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A Design and Implementation of a Windows Visual System for the Monitoring of Red Tide on the Internet (인터넷을 통한 적조 관측용 윈도우 비주얼 시스템의 설계 및 구현)

  • 박진우;손주영
    • Journal of Advanced Marine Engineering and Technology
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    • v.27 no.7
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    • pp.817-825
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    • 2003
  • The amount of damage suffered from the red tide occurring at the near shore is increasing rapidly. The Windows visual system discussed in this paper is developed in order to help minimize the damage. The system is focused on the monitoring the coastal environment. and forecasting the red tide occurrence. Although several similar systems are now existing. most of them are based on the web application. which cause the large response time. limited presentation ability of data. and inability of data storing at client side. The Windows visual system described in this paper operates on the Internet to get the ubiquitous access. One of three components of the Windows visual system. client system is developed as a Windows application in order to overcome the weak points of the previous systems. The gathering. analysis, and monitoring of data can be done at real time using the Windows visual system.

Visual Inspection System on PSC Bridges Using IT (IT를 활용한 PSC교량의 외관조사지원시스템 개발)

  • Oh, Kwang-Chin;Choi, Jae-Ho
    • Proceedings of the Korea Concrete Institute Conference
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    • 2004.05a
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    • pp.396-399
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    • 2004
  • This study was performed to develop necessary Visual Inspection System for the PSC Bridges precision safety diagnosis which to enhance the efficiency and accuracy of visual inspection by using mobile PC and adopted IT. This system was constructed to the automatic visual inspection map generating program and the Visual Inspection System using mobile PC that predicted high efficiency.

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Application Research on the Evaluation Index System of Visual Anthropology : based on Delphi method and analytic hierarchy process

  • Du, Nan;Yu, Chuandong;Kim, Chee-Yong
    • Journal of Multimedia Information System
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    • v.6 no.4
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    • pp.283-292
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    • 2019
  • This paper introduces the development and current prosperity of the branch discipline of visual anthropology and describes the status and current situation of modern visual anthropology and analyzes the rationality that the achievements of visual anthropology is viewed as texts and enjoy the same achievements, making it more basis and scientific in the selection of visual anthropology in subsequent research. This article comprehensively uses Delphi method and analytic hierarchy process to construct an evaluation system of visual anthropology, as well as put forward the basic principles of screening films using this evaluation system in subsequent studies and a simple outlook for future expansion.

The Development of Visual Inspection for Length Measurement of Injection Product Using Vision System (Vision System을 이용한 사출제품의 길이 측정용 시각검사 System 개발)

  • J.Y. Kim;B.S. Oh;S. You
    • Journal of the Korean Society for Precision Engineering
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    • v.14 no.11
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    • pp.126-134
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    • 1997
  • In this study, We made visual inspection system using Vision Board. It is consist of an illuminator (a fluorescent lamp), image input device (CCD (Charge-Coupled Device) camera), image processing system(Vision Board(FARAMVB-02)), image output device (video monitor, printer), and a measuring instrument(TELMN1000). Length measurement by visual inspection system make use of 100mm guage block(instead of calculating distance between a camera and a object). It measured horizontal and vertical length factor from 400mm to 650mm by increasing 50mm. In this place, measured horizontal and vertical length factor made use of length measure- ment of a injection. A measuring instrument used to ompare a measured length of a injection visual inspection system with it. In conclusion, length measurement of a injection compared a measuring instrument with visual inspecion system using length factor of 100mm gauge block. We find that maximum error of length is 0.55mm when it compar with the measuring value of two devices(FARAMVB-02, TELMN1000). Program of visual inspection system is made up Borland C++3.1.

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Development of a Visual Simulation System for the Motion Rider (모션 라이더를 위한 시각 시뮬레이션 시스템의 개발)

  • Kwon, Jung-Hoon;Kwon, Young-Woong
    • Transactions of the Korean Society of Machine Tool Engineers
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    • v.14 no.5
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    • pp.55-61
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    • 2005
  • In this paper, we propose the visual simulation system for virtual reality motion rider system. The visual simulation system can apply verity virtual reality system. This paper deals with programs on 3D automatic creation of terrain, road design, and a realtime rendering program for the virtual reality system. For the 3D automatic creation of terrain, DEM data and rectangular grid method are applied. We can make two different road object with the road design program. One of them includes road definition, and the other is obtained by using 'NURBS curve.' Visual simulation is consisted by additional modeling and real-time rendering. We can apply the programs made in this way to visual system of driving simulator.