Wavelet processing and digital interferometric contrast to improve reconstructions from X-ray Gabor holograms

In this work, the application of an undecimated wavelet transformation together with digital interferometric contrast to improve the resulting reconstructions in a digital hard X-ray Gabor holographic microscope is shown. Specifically, the starlet transform is used together with digital Zernike contrast. With this contrast, the results show that only a small set of scales from the hologram are, in effect, useful, and it is possible to enhance the details of the reconstruction.

Source: Journal of Synchrotron Radiation - April 24, 2018 Category: Physics Authors: Aguilar, J.C. Misawa, M. Matsuda, K. Suzuki, Y. Takeuchi, A. Yasumoto, M. Tags: holography X-ray microscopy wavelet transformation research papers Source Type: research