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Open Access Interferometric Measurement of Sensor MTF and Crosstalk

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We have developed a laser interferometer with the goal of precise measurement of the pixel MTF and pixel crosstalk in camera sensors. One of the advantages of our interferometric method for measuring sensor MTF is that the sinusoidal illumination pattern is formed directly on the sensor rather than beamed through a lens. This allows for a precise measurement of sensor MTF and crosstalk unaltered by the lens. Another advantage is that we measure MTF in a wide range of spatial frequencies reaching high above the Nyquist frequency. We discuss the theory behind the expected and observed sensor performance, and show our experimental results. Our comparison with the Slanted Edge method shows that we have better precision and cover a wider range of frequencies.

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Keywords: CROSSTALK; INTERFEROMETER; MTF

Document Type: Research Article

Publication date: 29 January 2017

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  • For more than 30 years, the Electronic Imaging Symposium has been serving those in the broad community - from academia and industry - who work on imaging science and digital technologies. The breadth of the Symposium covers the entire imaging science ecosystem, from capture (sensors, camera) through image processing (image quality, color and appearance) to how we and our surrogate machines see and interpret images. Applications covered include augmented reality, autonomous vehicles, machine vision, data analysis, digital and mobile photography, security, virtual reality, and human vision. IS&T began sole sponsorship of the meeting in 2016. All papers presented at EIs 20+ conferences are open access.

    Please note: For purposes of its Digital Library content, IS&T defines Open Access as papers that will be downloadable in their entirety for free in perpetuity. Copyright restrictions on papers vary; see individual paper for details.

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