A Two-Tap NIR Lock-in Pixel CMOS Image Sensor with Background Light Cancelling Capability for Non-Contact Heart Rate Detection. - Chen Cao; Yuya Shirakawa; Leyi Tan; Min-Woong Seo; Keiichiro Kagawa; Keita Yasutomi; Tomohiko Kosugi; Satoshi Aoyama; Nobukazu Teranishi; Norimichi Tsumura; Shoji Kawahito (VLSI Circuits, 2018)

A Time-Resolved NIR Lock-In Pixel CMOS Image Sensor With Background Cancelling Capability for Remote Heart Rate Detection. - Chen Cao; Yuya Shirakawa; Leyi Tan; Min-Woong Seo; Keiichiro Kagawa; Keita Yasutomi; Sung-Wook Jun; Tomohiko Kosugi; Satoshi Aoyama; Nobukazu Teranishi; Norimichi Tsumura; Shoji Kawahito (IEEE J. Solid State Circuits, 2019)