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Published byZakary Dorcey
Modified over 4 years ago
Range from Focus Based on the work of Eric Krotkov And Jean Paul Martin
Problem statement cont.
Theory of Defocus
The Optical Transfer Function
The Object plane, the image plane and the pupil planes
The Wave aberation QQ
A different choice of reference system for wave aberation
The displacement of the detector plane is = to introduction of wave aberation by amount
In terms of the amount of defocus
Figure 2. Cross-section of the OTF of a defocused incoherent system
Focus criterion functions
Focus criterion functions cont.
Fibonacci search technique
The search Algorithm
Computing the range
Thin lens geometry
Computing the range
The effect of depth of field
Detection of weak optical signals D.R. Selviah, R.C. Coutinho, H.A. French and H.D. Griffiths Department of Electronic and Electrical Engineering, University.
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