Enhanced Deep Learning Hybrid Model of CNN Based on Spatial Transformer Network for Facial Expression Recognition. - Nizamuddin Khan; Ajay Vikram Singh; Rajeev Agrawal (Int. J. Pattern Recognit. Artif. Intell., 2022)

Novel Approach of Facial Expression Recognition for Cross-Datasets. - Nizamuddin Khan; Ajay Vikram Singh; Rajeev Agrawal (ICCCNT, 2023)

Challenges and issues in facial emotion recognition techniques. - Nizamuddin Khan; Ajay Vikram Singh; Rajeev Agrawal (Int. J. Bus. Intell. Data Min., 2024)