Attenuation Correction for Small Animal PET Images: A Comparison of Two Methods

<table>Calibration function to convert HU into attenuation coefficient at 511 keV. Attenuation coefficient at 511 keV is plotted with respect to CT numbers. This function is used to create the attenuation map to correct PET images.</table>

Computational and Mathematical Methods in Medicine

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Figure 3

Figure 3: Attenuation Correction for Small Animal PET Images: A Comparison of Two Methods 