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File:PET-schema.png

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Summary

Description The image illustrates the processing principles of a positron emission tomograph (PET) commonly used in cancer diagnostics. It shows how during the annihilation process two photons are emitted in diametrically opposite directions. These photons are registered by the scanner as soon as they arrive at the detector ring. After the registration, the data is forwarded to a processing unit which decides if two registered events are selected as a so-called coincidence event. All coincidences are forwarded to the image processing unit where the final image data is produced via mathematical image reconstruction procedures.
Date
Source

own work - part of master thesis

Author Jens Maus (http://jens-maus.de/)
Permission
(Reusing this file)
Public domain This work has been released into the public domain by its author, Jens Maus. This applies worldwide.
In some countries this may not be legally possible; if so:
Jens Maus grants anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law.

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inception

April 2003

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Date/TimeThumbnailDimensionsUserComment
current15:25, 17 November 2005Thumbnail for version as of 15:25, 17 November 20051,280 × 938 (698 KB)DamatoUploaded a version with a higher resolution. Content not changed.
08:34, 5 November 2005Thumbnail for version as of 08:34, 5 November 2005449 × 329 (122 KB)DamatoData processing feature of an tomographic acquisition using a positron emission tomograph. It illustrates the principials of a PET acquisition right from the annihilation process, through how the lines of response LOR are registered by the tom

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