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Detection of Various Defects in TFT-LCD Polarizing Film

机译:TFT-LCD偏光膜中各种缺陷的检测

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摘要

The increasing use of TFT-LCDs has generated a great deal of interest in manufacturing defects on TFT-LCD polarizing film because the poor quality of TFT-LCD polarizing film result in undesirable effects on the TFT-LCD display devices. In this paper, we propose a new inspection method that reliably detects various defects of TFT-LCD polarizing films. First, we apply a least mean squares adaptive filtering technique to remove background noise. Next, we use statistical characteristics to detect possible defects. Finally, we make a binary image to identify weather the TFT-LCD polarizing film has defects or not based on an adaptive threshold value. The performance of the proposed method has been evaluated on real TFT-LCD polarizing film samples.
机译:TFT-LCD的日益增加的使用引起了对TFT-LCD偏振膜的制造缺陷的极大兴趣,这是因为TFT-LCD偏振膜的不良质量导致对TFT-LCD显示装置的不良影响。在本文中,我们提出了一种新的检查方法,该方法可以可靠地检测TFT-LCD偏光膜的各种缺陷。首先,我们应用最小均方自适应滤波技术去除背景噪声。接下来,我们使用统计特征来检测可能的缺陷。最后,我们根据自适应阈值制作一个二进制图像以识别TFT-LCD偏光膜是否有缺陷。该方法的性能已经在真实的TFT-LCD偏振膜样品上得到了评估。

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