Unsupervised lung CT image registration via stochastic decomposition of deformation fields

Jing Zou, Youyi Song, Lihao Liu, Angelica I. Avilés-Rivero, Jing Qin

Abstract: Highlights•A novel and effective training algorithm for deformable lung CT registration.•Stochastic decomposition of large deformation and supervision with surrogate images.•The surrogate image has corresponding intensity discrepancy at decomposition phase.