Reduction of trailing for moving images in FPD by grayscale control

LIN Lin; QIAO Yan-feng; SU Wan-xin

doi:10.3788/OPE.20101808.1877

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Reduction of trailing for moving images in FPD by grayscale control

Article | 更新时间：2020-08-12

- Reduction of trailing for moving images in FPD by grayscale control
- Optics and Precision Engineering Vol. 18, Issue 8, Pages: 1877-1885(2010)
- 作者机构：
  
  1. 中国科学院长春光学精密机械与物理研究所,吉林长春,中国,130033
  2. 中国科学院研究生院北京,100039
- 作者简介：
- 基金信息：
- DOI：10.3788/OPE.20101808.1877
  CLC： TN27
- Received：15 October 2009，
  
  Revised：15 January 2010，
  
  Published Online：20 August 2010，
  
  Published：20 August 2010
- 稿件说明：
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林琳, 乔彦峰, 苏宛新. 应用灰度控制减轻平板显示器中运动图像的拖尾[J]. 光学精密工程, 2010,18(8): 1877-1885

LIN Lin, QIAO Yan-feng, SU Wan-xin. Reduction of trailing for moving images in FPD by grayscale control[J]. 光学精密工程, 2010,18(8): 1877-1885
林琳, 乔彦峰, 苏宛新. 应用灰度控制减轻平板显示器中运动图像的拖尾[J]. 光学精密工程, 2010,18(8): 1877-1885 DOI： 10.3788/OPE.20101808.1877.

LIN Lin, QIAO Yan-feng, SU Wan-xin. Reduction of trailing for moving images in FPD by grayscale control[J]. 光学精密工程, 2010,18(8): 1877-1885 DOI： 10.3788/OPE.20101808.1877.

摘要

为了减轻平板显示器 (FPD)中运动图像的拖尾现象

提出了一种模拟阴极射线管 (CRT)灰度复现过程的灰度控制算法。首先

介绍了FPD的基本概念

阐述了目前减轻拖尾现象的主要技术插黑技术;在阐明运动图像产生拖尾现象原因的基础上

分析了FPD和CRT显示运动图像时人眼的工作过程以及某一像素的灰度复现过程。然后

根据算法推导

说明了算法的实现步骤

对比了采用传统的灰度控制算法和文中提出的灰度控制算法的显示效果。最后

介绍了VHDL语言编写的执行主程序和详细的复现过程。实验结果表明

当FPD显示运动图像时

其成像质量得到了明显改善

拖尾现象减轻约90%

符合人眼反射机理

且没有亮度损失。另外

该算法运算量少

不占储存空间

易于硬件实现。

Abstract

To reduce the trailing phenomena for moving images in a Flat Panel Display(FPD)

a grayscale control algorithm which simulates Cathode Ray Tube(CRT) grayscale rendition process is proposed. Firstly

the basic concept of FPD is introduced and the current major technology of reducing trailing

Black Frame Insertion Technology

is explained.Then

the reasons of trailing phenomena from moving images are introduced and the work processes of human eyes when moving images are displayed on CRT and FPD are illuminated and the grayscale rendition of a pixel is obtained. Furthermore

based on algorithm derivation

the algorithm realization steps and compared experiment results of traditional and proposed FPD grayscale control algorithms are discussed. Finally

the main program implemented with Very-High-Speed Integrated Circuit Hardware Description Language(VHDL) is presented and the specific rendition process is described. Experimental results indicate that the image quality is evidently improved and the trailing phenomena have been reduced to nearly 90% when the moving images are displayed by the FPD.The result meets the eye reflection mechanism.Moreover

the algorithm has advantages in less operation and storagy space and is easy to be implemented by hardware.

关键词

Keywords

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