Fig. 8From: A novel method for the detection of R-peaks in ECG based on K-Nearest Neighbors and Particle Swarm OptimizationResults after performing each stage of the method for the ECG with tall T waves (ECG recording 106). a) Original signal. b) Filtering. c) Differentiation. d) Absolute value. e) Backward cumulation. f) Detected peaksBack to article page