925 / 945
Dealing with scatter
•
Avoidance
–
Limit the field of view
–
Grids
–
Distance between patient and detector
•
Correction
Correction of scatter in megavoltage cone-beam CT
Spies et al. Phys. Med. Biol 2001
Not corrected for scatter
Corrected for beam hardning
Corrected for scatter
and beam hardning