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Removal of parasitic image due to metal specularity based on digital micromirror device camera

机译：基于数字微镜设备相机的金属镜面反射消除寄生图像

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摘要

Visual inspection for a highly reflective surface is commonly faced with a serious limitation, which is that useful information on geometric construction and textural defects is covered by a parasitic image due to specular highlights. In order to solve the problem, we propose an effective method for removing the parasitic image. Specifically, a digital micromirror device (DMD) camera for programmable imaging is first described. The strength of the optical system is to process scene ray before image formation. Based on the DMD camera, an iterative algorithm of modulated region selection, precise region mapping, and multimodulation provides removal of the parasitic image and reconstruction of a correction image. Finally, experimental results show the performance of the proposed approach.
机译：目视检查高反射性表面通常面临严重的局限性，这是由于镜面高光而导致的寄生图像覆盖了有关几何构造和纹理缺陷的有用信息。为了解决该问题，我们提出了一种去除寄生图像的有效方法。具体而言，首先描述用于可编程成像的数字微镜设备（DMD）相机。光学系统的优势在于在成像之前处理场景射线。基于DMD相机，一种调制区域选择，精确区域映射和多调制的迭代算法可去除寄生图像并重建校正图像。最后，实验结果表明了该方法的性能。

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  • 来源
    《Optical engineering》 |2014年第6期|063105.1-063105.7|共7页
  • 作者

    Shou-Bo Zhao; Fu-Min Zhang; Xing-Hua Qu; Zhe Chen; Shi-Wei Zheng;

  • 作者单位

    Tianjin University, The State Key Lab of Precision Measuring Technology and Instruments, Tianjin 300072, China;

    Tianjin University, The State Key Lab of Precision Measuring Technology and Instruments, Tianjin 300072, China;

    Tianjin University, The State Key Lab of Precision Measuring Technology and Instruments, Tianjin 300072, China;

    Tianjin University, The State Key Lab of Precision Measuring Technology and Instruments, Tianjin 300072, China;

    Tianjin University, The State Key Lab of Precision Measuring Technology and Instruments, Tianjin 300072, China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    digital micromirror device; parasitic image; specular highlights; computational camera; spatial light modulators; inspection;

    机译：数字微镜设备;寄生图像镜面高光;计算相机空间光调制器;检查;

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