Direct Retrieval of Object Information using Inverse Solutions of Dynamical Electron Diffraction Max Planck Institute of Microstructure Physics Halle/Saale, Germany [email protected]http://www.mpi-halle.de Kurt Scheerschmidt antitative Analysis: Trial-&-Error or Inverse Probl Confidence: a priori Data versus Regularization
26
Embed
Direct Retrieval of Object Information using Inverse Solutions of Dynamical Electron Diffraction Max Planck Institute of Microstructure Physics Halle/Saale,
This document is posted to help you gain knowledge. Please leave a comment to let me know what you think about it! Share it to your friends and learn new things together.
Transcript
Direct Retrieval of Object Information using Inverse Solutions of Dynamical Electron Diffraction
Max Planck Institute of Microstructure PhysicsHalle/Saale, [email protected]
http://www.mpi-halle.de
Kurt Scheerschmidt
Quantitative Analysis: Trial-&-Error or Inverse Problems
Confidence: a priori Data versus Regularization
trial-and-errorimage analysis
direct objectreconstruction
1. objectmodeling
2. wave simulation
3. image process
4. likelihoodmeasure
repetition
parameter &potential
reconstruction
wavereconstruction
?
image
?
Inversion ? no iteration
same ambiguities
additional instabilities
parameter& potential
atomicdisplacementsexit object
wave
imagedirect interpretation by data reduction:Fourier filteringQUANTITEM
Fuzzy & Neuro-NetSrain analysis
deviations fromreference structures:
displacement field (Head)algebraic discretization
reference beam (holography)defocus series (Kirkland, van Dyck …)
Gerchberg-Saxton (Jansson)tilt-series, voltage variation