Rashmi Deshpande and Jayanand Gawande 2026. PCO: A Novel Parrot–Cheetah Optimization Framework for Automated Arrhythmia Detection from ECG Signals. International Journal of Computer Information Systems and Industrial Management Applications. 18, 15s (Aug. 2026), 546–556. DOI:https://doi.org/10.70917/ijcisim-2026-4435.