This book constitutes the refereed proceedings of the 13th International Conference on Image Analysis and Processing, ICIAP 2005, held in Cagliari, Italy in September 2005.

The 143 revised full papers presented together with 5 invited papers were carefully reviewed and selected from 217 submissions. The papers are organized in topical sections on pattern recognition for computer network security, computer vision for augmented reality and augmented environments, low and middle level processing, image segmentation, feature extraction and image analysis, graphs, shape and motion, image modelling and computer graphics, image communication, coding and security, computer architectures, technologies and tools, multimedia data bases, video processing and analysis, pattern classification and learning, stereo vision, 3D vision, medical applications, biometrics, and applications.