Fig. 4
![Fig. 4](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2Fs40658-020-0284-5/MediaObjects/40658_2020_284_Fig4_HTML.png)
Image contrast measured as a function of sphere diameter at different acquisition times for CzT and Anger cameras (a). Total recorded counts (b), integral uniformity (c), and RMS noise (d) calculated for different acquisition times for CzT and Anger cameras