1.
Uma Maheswari V, Prasad V, Viswanadha Raju S. Local Directional Threshold based Binary Patterns for Facial Expression Recognition and Analysis. IJET [Internet]. 2018 Sep. 25 [cited 2024 Apr. 28];7(4.6):17-22. Available from: https://www.sciencepubco.com/index.php/ijet/article/view/20225