Nethravathi P. S., Aithal P. S. Real-Time Customer Satisfaction Analysis using Facial Expressions and Head Pose Estimation. IJAEML [Internet]. 2022 May 31 [cited 2024 Jul. 3];6(1):301-12. Available from: https://srinivaspublication.com/journal/index.php/ijaeml/article/view/1449