• Title/Summary/Keyword: motion blur

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Motion blur analysis by Gabor patch

  • Oka, Koichi;Oka, Daisuke
    • 한국정보디스플레이학회:학술대회논문집
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    • 2007.08a
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    • pp.1039-1042
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    • 2007
  • Motion blur of LCD displays has been measured subjectively by using Gabor patch radiusese. Gabor radiuses at a normalized scroll speed, Scroll speed times Fc, to be unity, indicate motion blur strengths, which are named a perceived motion blur strength measured by a Gabor patch. The results are compared with eye perception, PBET and EBET.

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A Design of Over-driving Controller to Reduce Motion Blur (Motion Blur를 줄이기 위한 Over-driving Controller 설계)

  • Nam, Ki-Hun;Shin, Yong-Seb
    • Journal of the Institute of Electronics Engineers of Korea SD
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    • v.47 no.4
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    • pp.1-6
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    • 2010
  • We can see the motion blur phenomenon on theedge of the moving picture when it moves in the LCDs. To reduce this phenomenon, we suggested a new over-deriving method, implemented on the board XUP Virtex-2 Pro Development System by using Virtex-2 Pro XUP XC2VP30 and improved the Motion Blur. In this method, we did not use additional parts except for a SDRAM. Hardware implementation for IP and data interface were handled in software. In this paper, we used the moving bar and the moving video image as a design model. We also showed that the afterimage was reduced and the vivid moving images was displayed. through this method.

An Improved Method for the Identification of the Space-Vriant Motion Blur using RATS (RATS를 이용한 개선된 지역적 모션 블러 크기 추출 기법)

  • Yang, Hong-Taek;Hwang, Joo-Yeon;Park, Doo-Won
    • Journal of the Korea Society of Computer and Information
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    • v.13 no.1
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    • pp.125-133
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    • 2008
  • Motion blur is a blurring effect on an image caused by the relative motion between the camera and objects in the scene. When an image is captured, motion blurs are caused by relative motion between the camera and the scene. When different objects are moving at different speeds, the characteristics of the blur effect for each object appear differently. To restore the spatially variant blurred image, each of the blur extents should be identified. In this paper, we propose a new method for the identification of blur extent locally using RATS from the image in which the spatially variant motion blur is caused Experiment shows that the proposed algorithm successfully segments the objects with different blurs and identifies the blur extents quite well.

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Motion Blur Measurement with a High-Speed Camera

  • Laur, Juergen;Becker, Michael E.
    • 한국정보디스플레이학회:학술대회논문집
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    • 2007.08b
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    • pp.1135-1138
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    • 2007
  • This paper presents motion picture artifacts measured with a high-speed camera. Measurement results of the high-speed camera on moving targets will be evaluated and compared with motion blur data derived from step responses measured on stationary test patterns with a spot-photodetector.

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An Iterative Image Restoration Algorithm for Removing Motion Blur in Moving Pictures (반복적 영상복원에 의한 동영상의 움직임열화 제거 기법)

  • 홍관표;백준기
    • Proceedings of the Korean Society of Broadcast Engineers Conference
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    • 1995.06a
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    • pp.125-129
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    • 1995
  • Motion blur, which occurs when relative motion between a camera and an object exits, is inevitable in moving pictures. By this reason there have been many research results for reducing such motion blur, especially for spatially variant case. Int he present paper, an adaptive iterative restoration method is applied to reduce the irregular motion blur in the image.

A Study on The Identification of Blur Parameters from a Motion Blurred Image (모션 블러된 이미지로부터 블러 파라미터를 추출하는 기법에 대한 연구)

  • Yang, Hong-Taek;Hwang, Joo-Yeon;Paik, Doo-Won
    • 한국HCI학회:학술대회논문집
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    • 2008.02a
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    • pp.693-696
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    • 2008
  • Motion blurs are caused by relative motion between the camera and the scene. The blurred image needs to be restored because undesired blur effect degrades the quality of the image. In this paper, we propose a new method for the identification of blur parameters. Experiment shows that the proposed method identifies blur extent regardless of the size of the blur and the object in the original image.

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Motion Blur Reduction in LCDs

  • Hong, Sun-Kwang;Oh, Jae-Ho;Park, Po-Yun;Park, Jin-Hyeok
    • 한국정보디스플레이학회:학술대회논문집
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    • 2004.08a
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    • pp.1108-1110
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    • 2004
  • LCDs show motion image blur due to slow response time and a hold-type driving method. In this paper, we investigate motion blur phenomena and quantitatively show that the motion blur can be significantly reduced through a combination of dynamic capacitance compensation (DCC) and black data insertion.

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A Study on the Identification of Blur Extent from a Motion Blurred Image (모션 블러된 이미지로부터 블러의 크기를 추출하는 기법에 대한 연구)

  • Hwang, Joo-Yeon;Yang, Hong-Taek;Paik, Doo-Won
    • Journal of Korea Multimedia Society
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    • v.10 no.10
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    • pp.1251-1259
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    • 2007
  • Motion blurs are caused by relative motion between the camera and the scene. The blurred image needs to be restored because undesired blur effect degrades the quality of the image. In this paper, we propose a new method for the identification of blur extent. Experiment shows that the proposed method identifies blur extent regardless of the size of the blur and the object in the original image.

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Real-Time Motion Blur Using Triangular Motion Paths

  • Hong, MinhPhuoc;Oh, Kyoungsu
    • Journal of Information Processing Systems
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    • v.13 no.4
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    • pp.818-833
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    • 2017
  • This paper introduces a new algorithm that renders motion blur using triangular motion paths. A triangle occupies a set of pixels when moving from a position in the start of a frame to another position in the end of a frame. This is a motion path of a moving triangle. For a given pixel, we use a motion path of each moving triangle to find a range of time that this moving triangle is visible to the camera. Then, we sort visible time ranges in the depth-time dimensions and use bitwise operations to solve the occlusion problem. Thereafter, we compute an average color of each moving triangle based on its visible time range. Finally, we accumulate an average color of each moving triangle in the front-to-back order to produce the final pixel color. Thus, our algorithm performs shading after the visibility test and renders motion blur in real time.

The Identification of Blur Extent from Space-variant Motion Blurred Image (지역적으로 다양한 모션 블러가 발생된 이미지로부터 블러의 크기를 추출하는 기법)

  • Yang, Hong-Taek;Hwang, Joo-Youn;Paik, Doo-Won
    • Journal of Internet Computing and Services
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    • v.8 no.6
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    • pp.169-180
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    • 2007
  • When an image is captured, motion blurs are caused by relative motion between the camera and the scene, In the case of the camera is moving, the extents of the motion blur are spatially variant according to distances from the camera to the objects. Although the camera is fixed, the extents of the motion blur are spatially variant according to various speeds of the moving objects. Unexpected blur effect very often degrades the quality of the image and it needs to be restored, To restore the spatially variant blurred image, each of the point spread function (PSF) should be identified, In this paper, we propose a new method for the identification of blur extent locally from the image in which the spatially variant motion blur is caused. Experiment shows that the proposed method identifies blur extent well.

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