PET Imaging - negative distance on a sinogram?

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SUMMARY

The discussion centers on the interpretation of negative distances in sinograms related to PET imaging. Participants clarify that negative displacements can occur in sinograms, particularly in the context of projections labeled C or D. The conversation suggests that understanding the plotting style and the implications of negative values is essential for accurate interpretation. A recommendation is made to seek further clarification in a dedicated medical science forum.

PREREQUISITES
  • Understanding of PET imaging principles
  • Familiarity with sinogram representation
  • Knowledge of projection techniques in imaging
  • Basic grasp of medical imaging terminology
NEXT STEPS
  • Research the mathematical basis of sinograms in PET imaging
  • Explore the implications of negative displacements in imaging analysis
  • Learn about different projection techniques in medical imaging
  • Investigate best practices for interpreting sinograms
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Medical imaging professionals, PET technologists, and researchers interested in the nuances of sinogram analysis and interpretation.

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In A or B I don't see a negative displacement.
C or D are projections, so I would expect the displacement to be the other direction.

A specific question about the plotting style could fit better in the medical science forum.
 
mfb said:
In A or B I don't see a negative displacement.
C or D are projections, so I would expect the displacement to be the other direction.

A specific question about the plotting style could fit better in the medical science forum.

OK thanks I will re-post there. I have found an example if a graph with negative displacements though?
upload_2015-10-22_14-43-46.png
 

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