Medical image registration via neural fields

Shanlin Sun, Kun Han, Chenyu You, Hao Tang, Deying Kong, Junayed Naushad, Xiangyi Yan, Haoyu Ma, Pooya Khosravi, James S. Duncan, Xiaohui Xie

Abstract: Highlights•Novel framework using neural fields for image registration.•Hybrid scheme optimizes two stacked MLPs with different coordinate samplers.•Competitive performance in registration accuracy and regularity on two MRI datasets.•Faster Optimization than traditional methods.•Consumes less GPU memory than learning-based methods.