This book presents the proceedings of the 4thInternational Conference on Advances in Information and Communication Technology (ICTA 2025) which comprises 57 rigorously peer-reviewed papers that capture the dynamic progress of ICT research and its practical impact across engineering and digital domains.The book addresses key frontier areas including mechatronics and automation, AI-powered vision and language models, and multimedia technologies, showcasing methodological innovations and system-level implementations that bridge theory and real-world deployment. The selected contributions reflect both academic rigor and technological relevance, underscoring the role of ICT in advancing intelligent systems and digital transformation.As part of the Lecture Notes in Networks and Systems (LNNS) series, this book provides a valuable reference for researchers, educators, doctoral candidates, and industry practitioners seeking validated approaches, emerging research directions, and application-driven insights.