What is halo artifacts in image processing?
Halo artifacts usually arise because edges of the signal are not preserved during signal processing or synthesizing. These artifacts can be removed if edge-preserving filters are used.
What is halo artifacts?
Halo artifacts are due to the biodistribution of PSMA tracer resulting in a large organ-to-background activity ratio (OBR) for bladders and kidneys with a positive correlation between OBR and halo size and due to inaccurate or overcorrection for scatter [22] .