The following publications are possibly variants of this publication:
- An evaluation of bi-modal facial appearance+facial expression face biometricsPohsiang Tsai, Tich Phuoc Tran, Tom Hintz, Tony Jan. icpr 2008: 1-5 [doi]
- Facial appearance and texture feature-based robust facial expression recognition framework for sentiment knowledge discoveryMuhammad Sajjad, Adnan Shah, Zahoor Jan, Syed Inayat Ali Shah, Sung Wook Baik, Irfan Mehmood. cluster, 21(1):549-567, 2018. [doi]