Show simple item record

dc.contributor.author
Marone, Federica
dc.contributor.author
Vogel, Jakob
dc.contributor.author
Stampanoni, Marco
dc.date.accessioned
2020-09-11T11:35:13Z
dc.date.available
2020-09-09T03:02:30Z
dc.date.available
2020-09-11T11:35:13Z
dc.date.issued
2020-09
dc.identifier.issn
0909-0495
dc.identifier.issn
1600-5775
dc.identifier.other
10.1107/S1600577520007353
en_US
dc.identifier.uri
http://hdl.handle.net/20.500.11850/439163
dc.description.abstract
Modern detectors used at synchrotron tomographic microscopy beamlines typically have sensors with more than 4–5 mega-pixels and are capable of acquiring 100–1000 frames per second at full frame. As a consequence, a data rate of a few TB per day can easily be exceeded, reaching peaks of a few tens of TB per day for time-resolved tomographic experiments. This data needs to be post-processed, analysed, stored and possibly transferred, imposing a significant burden onto the IT infrastructure. Compression of tomographic data, as routinely done for diffraction experiments, is therefore highly desirable. This study considers a set of representative datasets and investigates the effect of lossy compression of the original X-ray projections onto the final tomographic reconstructions. It demonstrates that a compression factor of at least three to four times does not generally impact the reconstruction quality. Potentially, compression with this factor could therefore be used in a transparent way to the user community, for instance, prior to data archiving. Higher factors (six to eight times) can be achieved for tomographic volumes with a high signal-to-noise ratio as it is the case for phase-retrieved datasets. Although a relationship between the dataset signal-to-noise ratio and a safe compression factor exists, this is not simple and, even considering additional dataset characteristics such as image entropy and high-frequency content variation, the automatic optimization of the compression factor for each single dataset, beyond the conservative factor of three to four, is not straightforward.
en_US
dc.language.iso
en
en_US
dc.publisher
Wiley
en_US
dc.subject
lossy compression
en_US
dc.subject
X-ray tomographic imaging
en_US
dc.title
Impact of lossy compression of X-ray projections onto reconstructed tomographic slices
en_US
dc.type
Journal Article
ethz.journal.title
Journal of Synchrotron Radiation
ethz.journal.volume
27
en_US
ethz.journal.abbreviated
J. synchrotron radiat.
ethz.pages.start
1326
en_US
ethz.pages.end
1338
en_US
ethz.identifier.wos
ethz.identifier.scopus
ethz.publication.place
Chichester
en_US
ethz.publication.status
published
en_US
ethz.leitzahl
ETH Zürich::00002 - ETH Zürich::00012 - Lehre und Forschung::00007 - Departemente::02140 - Dep. Inf.technologie und Elektrotechnik / Dep. of Inform.Technol. Electrical Eng.::02631 - Institut für Biomedizinische Technik / Institute for Biomedical Engineering::03817 - Stampanoni, Marco F.M. / Stampanoni, Marco F.M.
ethz.leitzahl.certified
ETH Zürich::00002 - ETH Zürich::00012 - Lehre und Forschung::00007 - Departemente::02140 - Dep. Inf.technologie und Elektrotechnik / Dep. of Inform.Technol. Electrical Eng.::02631 - Institut für Biomedizinische Technik / Institute for Biomedical Engineering::03817 - Stampanoni, Marco F.M. / Stampanoni, Marco F.M.
ethz.date.deposited
2020-09-09T03:02:51Z
ethz.source
WOS
ethz.eth
yes
en_US
ethz.availability
Metadata only
en_US
ethz.rosetta.installDate
2020-09-11T11:35:32Z
ethz.rosetta.lastUpdated
2021-02-15T17:11:20Z
ethz.rosetta.versionExported
true
ethz.COinS
ctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.atitle=Impact%20of%20lossy%20compression%20of%20X-ray%20projections%20onto%20reconstructed%20tomographic%20slices&rft.jtitle=Journal%20of%20Synchrotron%20Radiation&rft.date=2020-09&rft.volume=27&rft.spage=1326&rft.epage=1338&rft.issn=0909-0495&1600-5775&rft.au=Marone,%20Federica&Vogel,%20Jakob&Stampanoni,%20Marco&rft.genre=article&rft_id=info:doi/10.1107/S1600577520007353&
 Search print copy at ETH Library

Files in this item

FilesSizeFormatOpen in viewer

There are no files associated with this item.

Publication type

Show simple item record