Evaluation of two registration techniques applied to lung adaptive radiotherapy

During the course of a radiotherapy treatment, volumes of interest might change and the doses delivered to patients may not match the planned dose any more. The delivered dose distributions can be directly estimated from the Cone Beam Computed Tomography (CBCT), images acquired at each session. For this purpose, it is first necessary to perform a registration between the computed tomography (CT) planning images and the CBCT images to extract the...