Intelligent IoT-Based Mental Health Prediction Framework for Smart Cities Using Deep Learning: Integrating Facial Emotions and Questionnaire. - Sandip Ashok Shivarkar; Vikas Navnath Nirgude; Sonali Bhutad; Reena Lokare; Gayatri Vijayendra Bachhav; Rashmi Malvankar (Cogn. Comput., 2026)