Al-Rawi SS, T. Sadiq A, Alaluosi WM. Feature Extraction of Human Facail Expressions Using Haar Wavelet and Neural network. Iraqi Journal of Science [Internet]. 2022 Jun. 24 [cited 2026 Jan. 9];57(2C):1558-65. Available from: https://ijs.uobaghdad.edu.iq/index.php/eijs/article/view/7226