1 June 1974 On The Significance Of The Phase Transfer Function
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In the application of transfer function theory to the process of image formation, one must necessarily be concerned with complex functions. Even in the case of noncoherent image formation (the formation of the image of a noncoherent object), where the object, the image, and the spread function are all purely real, the Fourier transforms of these functions are generally complex. Only in the rather exceptional case where both the object and the spread function are real and even does the situation reduce to one involving only real functions.
© (1974) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Roland V. Shack, Roland V. Shack, } "On The Significance Of The Phase Transfer Function", Proc. SPIE 0046, Image Assessment and Specification, (1 June 1974); doi: 10.1117/12.953979; https://doi.org/10.1117/12.953979

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