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IEAP - Institute of Experimental and Applied Physics CTU - Czech Technical University in Prague
CTU - Czech Technical University in Prague
Publication  > Articles in Impacted Journals  > 'High Contrast Laminography Using Iterative Algorithms'
High Contrast Laminography Using Iterative Algorithms

Author

Year
2011

Scientific journal
JINST 6 C01045, doi: 10.1088/1748-0221/6/01/C01045

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Abstract
3D X-ray imaging of internal structure of large flat objects is often complicated by limited access to all viewing angles or extremely high absorption in certain directions, therefore the standard method of computed tomography (CT) fails. This problem can be solved by the method of laminography. During a laminographic measurement the imaging detector is placed close to the sample while the X-ray source irradiates both sample and detector at different angles. The application of the state-of-the-art pixel detector Medipix in laminography together with adapted tomographic iterative alghorithms for 3D reconstruction of sample structure has been investigated. Iterative algorithms such as EM (Expectation Maximization) and OSEM (Ordered Subset Expectation Maximization) improve the quality of the reconstruction and allow including more complex physical models. In this contribution results and proposed future approaches which could be used for resolution enhancement are presented.

Cite article as:
J. Jakůbek, "High Contrast Laminography Using Iterative Algorithms", JINST 6 C01045, doi: 10.1088/1748-0221/6/01/C01045 (2011)

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