Image reconstruction from cylindrically averaged diffraction intensities

Rick P. Millane

doi:10.1117/12.161990

9 November 1993 Image reconstruction from cylindrically averaged diffraction intensities

Rick P. Millane

Proceedings Volume 2029, Digital Image Recovery and Synthesis II; (1993) https://doi.org/10.1117/12.161990
Event: SPIE's 1993 International Symposium on Optics, Imaging, and Instrumentation, 1993, San Diego, CA, United States

Abstract

The problem of reconstructing a three-dimensional scatterer from measurements of the cylindrical average of the intensity of its Fourier transform is discussed. Reconstruction involves phase retrieval as well as unraveling the effects of cylindrical averaging. The application area considered is x-ray analysis of polymer fibers, and other systems, that consist of collections of rotationally disordered particles. Diffraction from these types of specimens and reconstruction algorithms are described. The particles in these applications often exhibit helical symmetry and the effect of this on reconstruction is described.

Citation Download Citation

Rick P. Millane "Image reconstruction from cylindrically averaged diffraction intensities", Proc. SPIE 2029, Digital Image Recovery and Synthesis II, (9 November 1993); https://doi.org/10.1117/12.161990

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