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Grafika:PET-schema.png - Wikipedia, wolna encyklopedia

Grafika:PET-schema.png

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[edit] Summary

Description

The image illustrates the processing principals of a positron emission tomograph (PET) commonly used in cancer diagnostics. It shows how during the annihilation process two photons are emitted in diametrically opposing directions. These photons are registered by the PET 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.

Source

own work - part of master thesis

Date

April 2003

Author

Jens Langner (http://www.jens-langner.de/)

Permission
(Reusing this image)
Public domain I, Jens Langner, the copyright holder of this work, hereby release it into the public domain. This applies worldwide.

In case this is not legally possible:
I grant anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law.


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Data/czasWymiaryUżytkownikOpis
aktualny17:25, 17 lis 20051 280×938 (698 kB)Damato (Uploaded a version with a higher resolution. Content not changed.)
10:34, 5 lis 2005449×329 (122 kB)Damato (Data 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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