Hello,
Huygens PSF is calculated in (X, Y) coordinate space. Are the (X, Y) coordinates in paraxial image space or in geometric distorted image space?
How about FFT PSF?
Thanks,
Qiang
Hello,
Huygens PSF is calculated in (X, Y) coordinate space. Are the (X, Y) coordinates in paraxial image space or in geometric distorted image space?
How about FFT PSF?
Thanks,
Qiang
Best answer by Mark.Nicholson
The Huygens PSF is computed on a flat patch of image surface, centered on the chief ray but normal to the surface, not the chief ray (as the FFT PSF is, for example). The size of the patch is determined by the image sampling and the image delta. If the image surface is curved, then the PSF patch is tangent to the image surface at the chief ray location.
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