This book features high-quality research papers presented at the Fourth Doctoral Symposium on Human Centered Computing (HUMAN 2026), jointly organized by Computer Society of India, Kolkata Chapter and Department of CSE (AI & ML), Techno Bengal Institute of Technology, Kolkata, India, during March 28–29, 2026. 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).

Siddhartha Bhattacharyya [FIET(UK), FIEI, FIETE, LFOSI, FSCRS, SMIEEE, SMACM, SMAAIA, SMIETI, LMCSI, LMISTE] is currently serving as a Senior Researcher in the Faculty of Electrical Engineering and Computer Science of VSB Technical University of Ostrava, Czech Republic. He also serves as the Scientific Advisor at Algebra University College in Zagreb, Croatia. He has also served as a Senior Research Scientist in the Faculty of Electrical Engineering and Computer Science of VSB Technical University of Ostrava, Czech Republic. He is a co-author of 7 books and the co-editor of 115 books and has more than 450 research publications in international journals and conference proceedings to his credit. He has two PCTs and 21 patents to his credit. He has served on the organizing and technical program committees of several international conferences. He serves as the Editor-in-Chief of Applied Soft Computing Journal, Senior Editor of IEEE Access, and Associate Editor of several reputed journals, including Evolutionary Intelligence, CAAI Transactions on Intelligence Technology, and IET Quantum Communications. 
Dr. Jyoti Sekhar Banerjee is currently serving as the Associate Professor & HoD in the CSE (AI & ML) Department at the Techno Bengal Institute of Technology, India. He also works as a Remote Researcher in the Internet of THings & AppliCAtions Lab (ITHACA) at the Department of Electrical and Computer Engineering, University of Western Macedonia, Greece. Dr. Banerjee is also working as the Adjunct Research Faculty under the Lincoln Global Postdoctoral Researcher Programme at Lincoln University College, Malaysia. He did his Post-Doctoral Fellowship at Nottingham Trent University, UK, in the Department of Computer Science. He also completed the Post Graduate Diploma in IPR & TBM from MAKAUT, WB. He has teaching and research experience spanning 22 years and completed one IEI funded project. He is an Execom Member of the IEEE CIS Kolkata Chapter. He is the present Secretary-cum-Treasurer of the ISTE WB Section. Dr. Banerjee is presently the Chairman of the CSI, Kolkata Chapter. 
Debashis De, PhD, is a Professor in the Department of Computer Science and Engineering at Maulana Abul Kalam Azad University of Technology, West Bengal, India. A Senior Member of IEEE, Fellow of IETE, Fellow of the Institute of Engineers, and a Life Member of CSI, ACM, IEI, and a Chartered Engineer. He has received prestigious awards such as the Boyscast Fellowship (India) to work at Heriot-Watt University, Scotland, Edinburgh; the Endeavour Fellowship (Australia) from the Deputy Prime Minister of Australia for his Postdoc at the University of Western Australia; and the URSI Young Scientist Award (2005) from the President of India and 2011 at Istanbul, TURKEY. He was honoured with the JC Bose Research Award, IETE New Delhi (2016). Shiksha-Ratna Award (2019) from the Govt. of West Bengal and the IETE Chartered Engineer for his contributions. 
Professor Mufti Mahmud is a Distinguished Professor at King Fahd University of Petroleum and Minerals, Saudi Arabia, where he leads the Cognitive Computing and Brain Informatics group. Formerly the Computer Science REF Coordinator at NTU (UK), he ranks among the world’s top 2% most-cited computer scientists since 2021. His research advances inclusive, explainable, multimodal and privacy-preserving AI for healthcare and education in low-resource settings. He has authored 400+ articles, edited 60+ volumes, and secured ~US$5M in funding. His honours include a Marie Curie Fellowship, the NTU VC Outstanding Researcher Award, and the KFUPM Distinguished Professorship Award. He is an elected APNNS Governor; former Chair of the IEEE CIS ISA Technical Committee; journal and book-series editor; Fellow of the HEA; Senior Member of IEEE and ACM; chair of ICONIP2024, WI-IAT2025, BI and AII conferences; and international grant reviewer in 15 countries across Europe, Asia, the Middle East and beyond.