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2 results

  • 4 - Spatial Coherent and Incoherent Optical Systems

  • Yaping Zhang, Kunming University of Science and Technology, China, Ting-Chung Poon, Virginia Polytechnic Institute and State University
  • Book:
    Modern Information Optics with MATLAB
    Published online:
    22 December 2022
    Print publication:
    05 January 2023, pp 119-150

  • Summary

    To have some basic understanding of optical coherence, we discuss temporal coherence and spatial coherence quantitatively in the beginning of the Chapter. We then concentrate on spatial coherent image processing, followed by spatially incoherent image processing. While spatial coherent imaging systems lead to the concept of coherent point spread function and coherent transfer function, spatially incoherent imaging system introduces intensity point spread function and optical transfer function. Scanning image processing is also covered in the chapter, illustrating an important aspect in that a mask in front of the photodetector can change the coherence properties of the optical system. Finally, two-pupil synthesis of optical transfer functions is discussed, illustrating bipolar processing in incoherent imaging systems.

  • Toward a signal-processing foundation for computational sensing and imaging: electro-optical basis and merit functions

  • David G. Stork
  • Journal:
    APSIPA Transactions on Signal and Information Processing / Volume 6 / 2017
    Published online by Cambridge University Press:
    01 August 2017, e8
    Print publication:
    2017
    • Article
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      • Open access
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  • We highlight the need for – and describe initial strategies to find – new digital-optical basis functions and performance merit functions to serve as a foundation for designing, analyzing, characterizing, testing, and comparing a range of computational imaging systems. Such functions will provide a firm theoretical foundation for computational sensing and imaging and enhanced design software, thereby broadly speeding the development of computational imaging systems.