[Rtk-users] there is a higher density area at the center of hole

[Simon Rit]

Hi,
It's a bit hard to guess... I guess an issue with the geometry might cause
such an artefact, e.g. a wrong detector offset in the direction
perpendicular to the axis of rotation.
Simon

On Fri, Dec 16, 2022 at 2:45 AM 王冬平 <dongping.wang at simmhealthcare.com>
wrote:

> hi Simon
> i reconed one phantom with holes, but i found there is a higher density
> area appeared in the center of holes. it can be very sure, it is only a
> hole. so could you help to provide some suggestion about what may cause the
> artifact of higher density area in the middle of hole?
> regards
>
> Wang Dongping
>
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