The multi-volume set of LNCS books constitutes the refereed proceedings of the 28th International Conference on Pattern Recognition, ICPR 2026, held in Lyon, France, during August 17-22, 2026. They focus on topics such as Pattern Recognition; Artificial Intelligence; Machine Learning; Computer Vision; Robot Vision; Machine Vision; Image Processing; Speech Processing; Signal Processing; Video Processing; Biometrics; Human-Computer Interaction (HCI); Document Analysis; Document Recognition; Biomedical Imaging; Bioinformatics.