Ramalingam, Srinivasa Perumal. “Face Analysis Using Row and Correlation Based Local Directional Pattern”. ELCVIA Electronic Letters on Computer Vision and Image Analysis 19, no. 3 (October 22, 2020): 55–70. Accessed June 3, 2025. https://elcvia.cvc.uab.cat/article/view/v19-n3-ramalingam.