S., Manochithra A, Harikumar Rajaguru, and Kalaiyarasi M. “Early Detection and Monitoring of Respiratory Disorders Using LASSO Regression on PPG Signals With Elephant Search Optimization”. Journal of Innovative Image Processing 7, no. 1 (March 28, 2025): 74–96. Accessed March 20, 2026. https://irojournals.com/iroiip/article/view/770.