Progress in Artificial Intelligence and Pattern Recognition

This book constitutes the refereed proceedings of the 9th International Workshop on Artificial Intelligence and Pattern Recognition, IWAIPR 2025, held in Varadero, Cuba, during October 14-17, 2025. The 36 papers presented in the proceedings set were carefully reviewed and selected from 59 submissions. The IWAIPR conference aims to provide a leading international forum to promote and disseminate ongoing research into mathematical methods of computing techniques for Artificial Intelligence and Pattern Recognition.