Sentence examples for mean activity quantification from inspiring English sources

The mean activity quantification error was −1.05 [2.12]%% for activity concentrations higher than 20 kBq/ml.

Normalized mean activity estimates were preserved between the reference and automated quantification techniques with relative errors below 10%% in most of the organs considered.

The partial volume effect on activity quantification in small areas was assessed by means of the activity concentration ratio between the 22 and the 37 mm spheres.

Based on basic science evidence for strong habituation of amygdala response to repeated stimuli, we investigated whether a quantification of habituation provides additional information beyond the usual estimate of the overall mean activity.

Activity quantification from SPECT images is not a trivial task.

For this investigation, a systematic error in activity quantification of 10%% was assumed.

These results highlight the potential for individualised whole organ activity quantification, corresponding to patient organ VOIs.

Conclusions about scatter and attenuation corrections on activity quantification should be considered with caution.

Compensation for this effect is particularly important for accurate tumour activity quantification.

Hence, all of these phenomena must be considered to achieve reliable activity quantification.

As already mentioned, the activity quantification is done using images reconstructed from primary photons only.