Cover Imaging for Physicists

Summary / Conclusion

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For quantitative PET imaging, raw data correction is

necessary

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Random, scatter and dead time correction

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Normalization

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Attenuation correction with CT!

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Image reconstruction

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FBP, ML-EM, OSEM, 3D-reconstruction protocols



Automatic contouring algorithms for RT

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Absolute / relative thresholding

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Iterative thresholding

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Source-to-background

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Gradient-based algorithm

ESTRO Teaching Course Advanced Imaging: PET – Reconstruction, Contouring