Mayu Sumida, Teruhiro Mizumoto, Keiichi Yasumoto. Estimating heart rate variation during walking with smartphone. In Friedemann Mattern, Silvia Santini, John F. Canny, Marc Langheinrich, Jun Rekimoto, editors, The 2013 ACM International Joint Conference on Pervasive and Ubiquitous Computing, UbiComp '13, Zurich, Switzerland, September 8-12, 2013. pages 245-254, ACM, 2013. [doi]
Abstract is missing.