Ultra-Sparse-View Cone-Beam CT Reconstruction-Based Strictly Structure-Preserved Deep Neural Network in Image-Guided Radiation Therapy. - Ying Song; Weikang Zhang; Tianxiong Wu; Yong Luo; Jiangyuan Shi; Xinjian Yang; Zhonghua Deng; Xu Qi; Guangjun Li; Sen Bai; Jun Zhao 010; Renming Zhong (IEEE Trans. Medical Imaging, 2025)