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Title: Time-coded aperture for x-ray imaging

Abstract

Changing conditions and relative motion of an experiment’s components during a single exposure causes motion blur for X-ray imaging techniques. In this letter, we describe a computational imaging system, where image capture and post-processing are co-designed to improve final image quality. The idea is based on temporally encoding the motion by fluttering the detector shutter open and closed with a binary pseudo-random sequence for guaranteeing an invertible motion blur. This work is especially relevant to high-speed X-ray imaging applications where time-resolution is limited by the detector and/or available photon flux.

Authors:
ORCiD logo [1]; ORCiD logo [1]; ORCiD logo [2]; ORCiD logo [3]
  1. Argonne National Lab. (ANL), Lemont, IL (United States)
  2. Max IV Lab, Lund (Sweden)
  3. Argonne National Lab. (ANL), Lemont, IL (United States); Northwestern Univ., Evanston, IL (United States)
Publication Date:
Research Org.:
Argonne National Lab. (ANL), Argonne, IL (United States)
Sponsoring Org.:
USDOE Office of Science (SC)
OSTI Identifier:
1524415
Alternate Identifier(s):
OSTI ID: 1515600
Grant/Contract Number:  
AC02-06CH11357
Resource Type:
Accepted Manuscript
Journal Name:
Optics Letters
Additional Journal Information:
Journal Volume: 44; Journal Issue: 11; Journal ID: ISSN 0146-9592
Publisher:
Optical Society of America (OSA)
Country of Publication:
United States
Language:
English
Subject:
47 OTHER INSTRUMENTATION; Deblurring; Image Reconstruction; Tomography

Citation Formats

Ching, Daniel, Aslan, Selin, Nikitin, Viktor, and Gürsoy, Doğa. Time-coded aperture for x-ray imaging. United States: N. p., 2019. Web. doi:10.1364/OL.44.002803.
Ching, Daniel, Aslan, Selin, Nikitin, Viktor, & Gürsoy, Doğa. Time-coded aperture for x-ray imaging. United States. doi:10.1364/OL.44.002803.
Ching, Daniel, Aslan, Selin, Nikitin, Viktor, and Gürsoy, Doğa. Tue . "Time-coded aperture for x-ray imaging". United States. doi:10.1364/OL.44.002803.
@article{osti_1524415,
title = {Time-coded aperture for x-ray imaging},
author = {Ching, Daniel and Aslan, Selin and Nikitin, Viktor and Gürsoy, Doğa},
abstractNote = {Changing conditions and relative motion of an experiment’s components during a single exposure causes motion blur for X-ray imaging techniques. In this letter, we describe a computational imaging system, where image capture and post-processing are co-designed to improve final image quality. The idea is based on temporally encoding the motion by fluttering the detector shutter open and closed with a binary pseudo-random sequence for guaranteeing an invertible motion blur. This work is especially relevant to high-speed X-ray imaging applications where time-resolution is limited by the detector and/or available photon flux.},
doi = {10.1364/OL.44.002803},
journal = {Optics Letters},
number = 11,
volume = 44,
place = {United States},
year = {2019},
month = {5}
}

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