Abstract

The phase spectrum is not available for the responses of systems whose output is integrated over time. A temporal deblurring technique has been described for measurement of the phase spectrum for responses that are based on the integrated output of such systems [ Vision Res. 21, 409 ( 1981)]. The problem that remains is to determine the optimal sets of Fourier amplitudes to be used for the phase-reconstruction task. Optimal Fourier amplitudes for determination of the phase of each harmonic have now been obtained for relevant weighting functions by an analytic method and by a computation method up to the 20th harmonic. These amplitude sets should permit efficient use of the temporal deblurring paradigm to measure the impulse response of any integrated output system that is linear up to the integration stage.

© 1993 Optical Society of America

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