This volume constitutes the refereed proceedings of the InternationalConference on Ubiquitous Computing and Multimedia Applications, UCMA2010, held in Miyazaki, Japan, in June 2010.The 14 revised full papers presented in this volume were carefullyreviewed and selected from 150 submissions. The papers present currentresearch in ubiquitous computing and beyond, multimedia modeling andprocessing, ubiquitous services and applications, multimedia servicesand applications, as well as multimedia and ubiquitous security.