This book features high-quality research papers presented at the Third Doctoral Symposium on Human Centered Computing (HUMAN 2025), jointly organized by Computer Society of India, Kolkata Chapter and JIS College of Engineering, West Bengal, India on March 28, 2025. This book discusses the topics of modern human centered computing and its applications. The book showcases the fusion of human sciences (social and cognitive) with computer science (human–computer interaction, signal processing, machine learning, and ubiquitous computing).