Wavefront Coding

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Miniaturisation of zoom lenses
Single-moving-element zoom lenses:the problem• Conventional zoom lenses have atleast two moving elements:• A zoom element• A compensator• Single-moving element zoom lensescannot be miniaturised due toexcessive defocus:• Hybrid imaging can mitigatedefocus….10mm39 39
Page 1 and 2: Computational Imaging:More pixels,
Page 3 and 4: Why computational imaging?• Imagi
Page 5 and 6: Hybrid imaging5
Page 7 and 8: The additional parameter space with
Page 9 and 10: Effect of defocus when usingsymmetr
Page 11 and 12: Optimisation of artefact-free imagi
Page 13 and 14: Through-focus imaging fidelity13
Page 15 and 16: Expected imaging error• errorε 2
Page 17 and 18: Relative performance of cubic, pure
Page 19 and 20: Optimum phase amplitudeα optimum
Page 21 and 22: Artefacts⎡OH o'(x, y) = I −1 W2
Page 23 and 24: Decomposition of OTF• Defocus:•
Page 25 and 26: The origin of image replicationsOTF
Page 27 and 28: Parametric blind-deconvolution:Calc
Page 29 and 30: Accuracy of optical W 20DError in W
Page 31 and 32: Simplification of LWIR F/1 f=75mm G
Page 33 and 34: Pure and Generalised Cubic Solution
Page 35 and 36: IR singlet and phase maskDesignManu
Page 37: And as a movie37
Page 41 and 42: No Phase maskGeneralised CubicPure

Wavefront Coding

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