Self-Supervised, Non-Contact Heartbeat Detection Based on Ballistocardiograms Utilizing Physiological Information Guidance. - Changzhe Jiao; Aoyu Yang; Hantao Zhao; Ruhan Yi; Shuiping Gou; Yu Sha; Wanshun Wen; Licheng Jiao; Marjorie Skubic (IEEE J. Biomed. Health Informatics, 2025)