Modulation transfer function measurement technique for image sensor arrays

Hui Jin; Huilin Jiang; XiaoHui Zhang

doi:10.1117/12.886168

28 December 2010 Modulation transfer function measurement technique for image sensor arrays

Hui Jin, Huilin Jiang, XiaoHui Zhang

Proceedings Volume 7544, Sixth International Symposium on Precision Engineering Measurements and Instrumentation; 75441Q (2010) https://doi.org/10.1117/12.886168
Event: Sixth International Symposium on Precision Engineering Measurements and Instrumentation, 2010, Hangzhou, China

Abstract

A new technique is demonstrated for measurement of modulation transfer function (MTF) on image sensor arrays. Fourier analysis of a low frequency bar target pattern is used to extract MTF at odd harmonics of a target pattern frequency up to and beyond Nyquist. The technique is particularly useful for linear image arrays (either conventional linescan or time-delay- integration devices) where conventional slanted-edge technique is not always applicable. The technique is well suited to simple implementation and can provide live presentation of the MTF curve, which helps to ensure optimal alignment conditions are achieved. Detailed analysis of the technique and demonstration of experimental results are presented.

Citation Download Citation

Hui Jin, Huilin Jiang, and XiaoHui Zhang "Modulation transfer function measurement technique for image sensor arrays", Proc. SPIE 7544, Sixth International Symposium on Precision Engineering Measurements and Instrumentation, 75441Q (28 December 2010); https://doi.org/10.1117/12.886168

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