1. College of Electronic Science and Engineering Jilin University Changchun 130012 China
2. Institute for Medical Imaging Technology School of Biomedical Engineering Shanghai Jiao Tong University Shanghai 200030 China
3. Department of Neurosurgery Huashan Hospital Fudan University Shanghai 200040 China
4. Department of Radiology Wake Forest School of Medicine Winston‐Salem NC 27157USA
5. School of Biomedical Informatics The University of Texas Health Science Center at Houston Houston TX 77030 USA