This book constitutes the refereed proceedings of the International Workshop MUSCLE 2011 on
Computational Intelligence for Multimedia Understanding organized by the ERCIM working group
in Pisa Italy on December 2011. The 18 revised full papers were carefully reviewed and
selected from over numerous submissions. The papers cover the following topics: multisensor
systems multimodal analysis crossmodal data analysis and clustering mixed-reality
applications activity and object detection and recognition text and speech recognition
multimedia labeling semantic annotation and metadata multimodal indexing and searching in
very large data-bases and case studies.
