IIP Image Registration

Question 1

what is image registration

why do we do this

Answer 1

overlaying two or more images of different modalities on top of eachother to form one image

allows different strengths of different modalities to be used to improve accuracy of tumour volume and critical organ delineation

Question 2

image registration in RT
what is it
function

Answer 2

overlaying diagnostic scan images with planning CT scan images

improve target definition or image guidance

Question 3

when do we use image registration

Answer 3

diagnosis
pre rt
during rt
post rt