Journal Article10.1117/12.2675036
Versatile modulation transfer function and direct point spread function measurement with a random target method
F. Michaud
- 07 Aug 2023
Vol. 12624, pp 1262419-1262419
TL;DR: A digital random target method for measuring Modulation Transfer Function and Point spread function locally in all the field of view of the instrument with high accuracy.
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Abstract: We show in this paper a digital random target method for measurement of Modulation Transfer Function and Point spread function locally in all the field of view of the instrument, and with a good accuracy. The point is to use a “pixel locking method” to identify point in object space with its conjugate point in the image space in pixel accuracy.
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Statistical optics
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Modulation Transfer Function in Optical and Electro-Optical Systems
Glenn D. Boreman
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Random transparency targets for modulation transfer function measurement in the visible and infrared regions
TL;DR: In this article, random transparency targets of known spatial-frequency content allow shift-invariant MTF measurement in the visible, 3 to 5μm, and 8- to 12μm bands.
83
Modulation transfer function of a lens measured with a random target method
TL;DR: The modulation transfer function (MTF) of a lens in the visible region is measured using a random test target generated on a computer screen using a simple method to determine the entire MTF curve in one measurement.
66
Measurement and comparison of one- and two-dimensional modulation transfer function of optical imaging systems based on the random target method
TL;DR: The measurement method for the 1-D and 2-D MTF of optical imaging systems based on the random target method is investigated, and the characteristics of 2- D MTF and 1-d MTF in terms of MTF values and cutoff frequency are noted.