Fig. 4From: Deep learning approximation of attenuation maps for myocardial perfusion SPECT with an IQ\(\varvec{\cdot {}}\)SPECT collimatorFrom left to right: an attenuation map slice, the corresponding best model prediction and the absolute difference between the two slices. The color bar on the right encodes the attenuation in cm\(^{-1}\)Back to article page