1. Industrial Research Institute of Nonwovens and Technical Textiles Shandong Center for Engineered Nonwovens College of Textiles and Clothing Qingdao University Qingdao 266071 P. R. China
2. Eco‐Textile Collaborative Innovation Center College of Textiles and Clothing Qingdao University Qingdao 266071 P. R. China
3. Centre for Medical Image Computing University College London London WC1V 6LJ UK