Suguru Kanoga, Takayuki Hoshino, Satoshi Kamei, Takehito Kobayashi, Tsuguo Ohmori, Masaaki Uchiyama, Mitsunori Tada. Comparison of seven shallow and deep regressors in continuous blood pressure and heat rate estimation using single-channel photoplethysmograms under three evaluation cases. Biomedical Signal Processing and Control. 2023