Zar WT, Tun HM, Win LLY, Naing ZM. Innovative non-contact r-r intervals estimation using viterbi algorithm with Squared Branch Metric (VSBM). JPTK [Internet]. 2024 Feb. 15 [cited 2025 Oct. 7];7(1):32-43. Available from: http://jptk.ppj.unp.ac.id/index.php/jptk/article/view/356