ArticleScientific reports2020
Free log-likelihood as an unbiased metric for coherent diffraction imaging.
Article in Scientific reports, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 16 papers.
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Who cites it
16 citing papers in PubMed.
- Prospects for coherent X-ray diffraction imaging at fourth-generation synchrotron sources.IUCrJ · 2025Article
- 3D Strain Imaging of a Heterostructured GaInP/InP Nanowire Using Bragg Coherent Diffraction X-ray Imaging: Implications for Optoelectronic Devices.ACS applied nano materials · 2025Article
- SPRING, an effective and reliable framework for image reconstruction in single-particle Coherent Diffraction Imaging.npj computational materials · 2025Article
- Correcting angular distortions in Bragg coherent X-ray diffraction imaging.Journal of synchrotron radiation · 2024Article
- Using convolutional neural network denoising to reduce ambiguity in X-ray coherent diffraction imaging.Journal of synchrotron radiation · 2024Article
- Protocol using similarity score and improved shrink-wrap algorithm for better convergence of phase-retrieval calculation in X-ray diffraction imaging.Journal of synchrotron radiation · 2024Article
- Similarity score for screening phase-retrieved maps in X-ray diffraction imaging - characterization in reciprocal space.Journal of synchrotron radiation · 2024Article
- Unraveling the synergistic effects of Cu-Ag tandem catalysts during electrochemical CONature communications · 2023Article
- Bragg coherent diffraction imaging with the CITIUS charge-integrating detector.Journal of applied crystallography · 2023Article
- Article
- Bragg coherent diffraction imaging of single 20 nm Pt particles at the ID01-EBS beamline of ESRF.Journal of applied crystallography · 2022Article
- Imaging the facet surface strain state of supported multi-faceted Pt nanoparticles during reaction.Nature communications · 2022Article
- X-ray Diffraction Imaging of Deformations in Thin Films and Nano-Objects.Nanomaterials (Basel, Switzerland) · 2022Review
- Twin boundary migration in an individual platinum nanocrystal during catalytic CO oxidation.Nature communications · 2021Article
- Continuous scanning for Bragg coherent X-ray imaging.Scientific reports · 2020Article
- Towards a quantitative determination of strain in Bragg Coherent X-ray Diffraction Imaging: artefacts and sign convention in reconstructions.Scientific reports · 2019Article
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3 authors.
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Abstract
Coherent Diffraction Imaging (CDI), a technique where an object is reconstructed from a single (2D or 3D) diffraction pattern, recovers the lost diffraction phases without a priori knowledge of the extent (support) of the object. The uncertainty of the object support can lead to over-fitting and prevents an unambiguous metric evaluation of solutions. We propose to use a 'free' log-likelihood indicator, where a small percentage of points are masked from the reconstruction algorithms, as an unbiased metric to evaluate the validity of computed solutions, independent of the sample studied. We also show how a set of solutions can be analysed through an eigen-decomposition to yield a better estimate of the real object. Example analysis on experimental data is presented both for a test pattern dataset, and the diffraction pattern from a live cyanobacteria cell. The method allows the validation of reconstructions on a wide range of materials (hard condensed or biological), and should be particularly relevant for 4th generation synchrotrons and X-ray free electron lasers, where large, high-throughput datasets require a method for unsupervised data evaluation.
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