This book presents the proceedings of the Fifth World Conference on Intelligent and 3D Technologies (WCI3DT 2026). The chapters in the book are arranged into three groups according to their content: I. Intelligent methods and algorithms. II. Flexible models. III. Adaptive control systems. The book covers significant part of the theoretical approaches in the contemporary intelligent signal processing and analysis, robotics, image analysis and related applications based on AI, virtual and augmented reality, etc., and is focused on various important topics, such as: personalized health intervention strategies; intangible cultural heritage; tensor-based restoration of astronomical images; AI music generation and vocal music teaching; water transport engineering; intelligent teaching platforms; neutron spectrum unfolding network, and many others. This book will be useful for researchers and students who work in all areas of image processing and scientists, involved in the development of new devices and technologies needed by the market.
