A. A. Shkara and Y. Hussain, “Heartbeat Amplification and ECG Drawing from Video (Black and White or Colored Videos)”, Iraqi Journal of Science, vol. 59, no. 1B, pp. 408–419, Mar. 2018, Accessed: Jan. 03, 2026. [Online]. Available: https://ijs.uobaghdad.edu.iq/index.php/eijs/article/view/65