Amin Ullah (Member, IEEE) received the Ph.D. degree in digital contents from Sejong University, South Korea. He is currently working as a Postdoctoral Researcher with the CORIS Institute, Oregon State University, USA. His major research focus is on human action and activity recognition, sequence learning, image and video analytics, content-based indexing and retrieval, IoT and smart cities, and deep learning for multimedia understanding. He has published several papers in reputed peer-reviewed international journals and conferences, including IEEE Transactions on Industrial Electronics, IEEE Transactions on Industrial Informatics, IEEE Transactions on Intelligent Transportation Systems, IEEE Internet of Things Journal, IEEE Access, Future Generation Computer Systems (Elsevier), MDPI Sensors, Multimedia Tools and Applications (Springer), Mobile Networks and Applications (Springer), and IEEE Joint Conference on Neural Networks.