Data flow for neutron imaging

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Presentation transcript:

Data flow for neutron imaging Anders Kaestner, Manuel Morgano, Chiara Carminati, Markus Strobl Laboratory for Neutron Scattering and Imaging, Paul Scherrer Institut Data flow for neutron imaging ESS Data Curation Workshop :: Lund :: Nov 6th, 2018

White beam imaging Reduction Analysis x 2D 3D ? 2D 2D/3D 2D/3D Experiment Pol reduction nGI reduction Normalization Artefacts Region statistics (at various stages) CT reconstruction Registration Denoising Ratio Segmentation Sequence analysis Regions analysis Visualzation Specific analysis Operations Norm to ref Dose correction Scattering Spots Rings Line profiles Area/vol stats Histograms Parallel beam Cone beam Iterative Linear filters Edge preserving Manual User guided Automatic Value changes Shape changes Displacements Value Shape Position Frequency Plots 2D images 3D rendering Image analysis Output Images Images/tables Graphics Radiography x Radiography sequences (3D) Tomography (CT) CT sequences (4D) Stroboscopic Stroboscopic series (3D) nGI ? Polarized 2D 3D 2D 2D/3D 2D/3D

Experiment meta data Result

Applications developed at PSI – White beam MuhRec CT reconstruction tool Configurable processing chain KipTool General processing tool for 3D images Converter tools NIQA tool (not IKC) Analysis of IAEA QA samples nGI tool Reduction of phase stepping scans

ToF imaging Analysis Reduction x ? Experiment Overlap correction* WFM Stitching Detector alignment Reshuffle … Bragg edge fitting Multi wavelength imaging x Stroboscopic ?

Typical processing chain: ToF imaging Artefact reduction Re-binning (time/space) Denoising Segmentation ToF CT 1000x1000 pixels 1000 projections 2000 ToF bins 4Tb CT 10003 voxels 2000* ToF bins 4Tb Bragg edge fitting 10003 voxels 2000* ToF bins 7 parameters/edge N x 7 x 4Tb CLI tools Python Mantid KipTool MuhRec Octopus Python/Matlab ASTRA TomoPy * 2000 volumes is a worst case scenario. RITS iBeatles New code * 2000 volumes is a worst case scenario.

Experiment Logbooks Traditional paper lab logbooks Plots added with Pelifix… Word Text Screen shots Plots (Pictures) Missing feature: Convenient way to add pictures (setup, sample, etc.)