Detection of scratch on transparent plate with strong scattering noise by digital holographic technique

Yeh Wei Yu; Wen Li Wang; Yong Sheng Lin; Han Shin Ko; Shih Hsin Ma; Ching Cherng Sun; Wen Hsuan Wu; Tsung Hsun Yang

doi:10.3390/cryst11091107

Detection of scratch on transparent plate with strong scattering noise by digital holographic technique

Yeh Wei Yu, Wen Li Wang, Yong Sheng Lin, Han Shin Ko, Shih Hsin Ma, Ching Cherng Sun, Wen Hsuan Wu, Tsung Hsun Yang

研究成果: 雜誌貢獻 › 期刊論文 › 同行評審

1 引文斯高帕斯（Scopus）

摘要

We applied a digital holographic detection technique to detect the scratches on glass surfaces with scattering noise. In the experiment, scratches with widths of 1.67 µm were generated on the front sides of the glass slides, and three different gray levels were painted on the back sides of the glass slides to generate the scattering noise. It demonstrated that the digital holographic detection method can enhance the image contrast of the scratch under high scattering noise. The high defocus tolerance promises a detection process without optical focusing and thus benefits the high-speed automatic optical inspection.

原文	???core.languages.en_GB???
文章編號	1107
期刊	Crystals
卷	11
發行號	9
DOIs	https://doi.org/10.3390/cryst11091107
出版狀態	已出版 - 9月 2021

存取文件

10.3390/cryst11091107

體積全像光學元件應用於光子資訊科技的研究－子計畫四：使用體積全像光學元件之無顯示器裸眼3D動態影像(3/3)
Yu, Y.-W. (PI)
1/08/21 → 31/10/22
研究計畫: Research

引用此

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abstract = "We applied a digital holographic detection technique to detect the scratches on glass surfaces with scattering noise. In the experiment, scratches with widths of 1.67 µm were generated on the front sides of the glass slides, and three different gray levels were painted on the back sides of the glass slides to generate the scattering noise. It demonstrated that the digital holographic detection method can enhance the image contrast of the scratch under high scattering noise. The high defocus tolerance promises a detection process without optical focusing and thus benefits the high-speed automatic optical inspection.",

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AU - Wang, Wen Li

AU - Lin, Yong Sheng

AU - Ko, Han Shin

AU - Ma, Shih Hsin

AU - Sun, Ching Cherng

AU - Wu, Wen Hsuan

AU - Yang, Tsung Hsun

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N2 - We applied a digital holographic detection technique to detect the scratches on glass surfaces with scattering noise. In the experiment, scratches with widths of 1.67 µm were generated on the front sides of the glass slides, and three different gray levels were painted on the back sides of the glass slides to generate the scattering noise. It demonstrated that the digital holographic detection method can enhance the image contrast of the scratch under high scattering noise. The high defocus tolerance promises a detection process without optical focusing and thus benefits the high-speed automatic optical inspection.

AB - We applied a digital holographic detection technique to detect the scratches on glass surfaces with scattering noise. In the experiment, scratches with widths of 1.67 µm were generated on the front sides of the glass slides, and three different gray levels were painted on the back sides of the glass slides to generate the scattering noise. It demonstrated that the digital holographic detection method can enhance the image contrast of the scratch under high scattering noise. The high defocus tolerance promises a detection process without optical focusing and thus benefits the high-speed automatic optical inspection.

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KW - Digital holographic detection

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KW - Scattering noise

KW - Surface defect

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Detection of scratch on transparent plate with strong scattering noise by digital holographic technique

摘要

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指紋

專案

體積全像光學元件應用於光子資訊科技的研究－子計畫四：使用體積全 像光學元件之無顯示器裸眼3D動態影像(3/3)

引用此

體積全像光學元件應用於光子資訊科技的研究－子計畫四：使用體積全像光學元件之無顯示器裸眼3D動態影像(3/3)