Spatial attention-based implicit neural representation for arbitrary reduction of MRI slice spacing

Xin Wang, Sheng Wang, Honglin Xiong, Kai Xuan, Zixu Zhuang, Mengjun Liu, Zhenrong Shen, Xiangyu Zhao, Lichi Zhang, Qian Wang

Abstract: Highlights•A novel SR method named SA-INR for continuous slice interpolation of MR images.•Local-aware spatial attention in combination with a gradient-guided gating mask.•Improvement over other state-of-the-art single-scale and arbitrary-scale SR methods.