Abstract
Sub-second full-field tomographic microscopy at third-generation synchrotron sources is a reality, opening up new possibilities for the study of dynamic systems in different fields. Sustained elevated data rates of multiple GB/s in tomographic experiments will become even more common at diffraction-limited storage rings, coming in operation soon. The computational tools necessary for the post-processing of raw tomographic projections have generally not experienced the same efficiency increase as the experimental facilities, hindering optimal exploitation of this new potential. We present here a fast, flexible, and user-friendly post-processing pipeline overcoming this efficiency mismatch and delivering reconstructed tomographic datasets just few seconds after the data have been acquired, enabling fast parameter and image quality evaluation as well as efficient post-processing of TBs of tomographic data. With this new tool, also able to accept a stream of data directly from a detector, few selected tomographic slices are available in less than half a second, providing advanced previewing capabilities paving the way to new concepts for on-the-fly control of dynamic experiments.
Highlights
Sub-second tomographic experiments at third-generation synchrotron sources are becoming reality, thanks to recent developments of detection systems combining CMOS technology with sustained high data rate streaming [1]
The computational tools necessary for the post-processing of raw tomographic projections have generally not experienced the same efficiency increase as the experimental facilities, hindering optimal exploitation of this new potential
We present here a fast, flexible, and user-friendly post-processing pipeline overcoming this efficiency mismatch and delivering reconstructed tomographic datasets just few seconds after the data have been acquired, enabling fast parameter and image quality evaluation as well as efficient post-processing of TBs of tomographic data
Summary
Sub-second tomographic experiments at third-generation synchrotron sources are becoming reality, thanks to recent developments of detection systems combining CMOS technology with sustained high data rate streaming [1]. Time-resolved 3D snapshots of dynamic systems are important for the validation of theoretical models until recently often extrapolated from 2D information. Tomographic experiments with sub-second time resolution can provide a look at phenomena in 3D, never observed so far due to lack of adequate methods. To fully exploit these recent technological achievements, the IT infrastructure needs to be matched to these high and sustained data rates.
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