Media type: E-Article Title: New Trends in Image Analysis and Processing – ICIAP 2013: Viewing the Viewers: A Novel Challenge for Automated Crowd Analysis Contributor: Conigliaro, Davide; Setti, Francesco; Bassetti, Chiara; Ferrario, Roberta; Cristani, Marco Published: Springer Berlin Heidelberg, 2013 Published in: New Trends in Image Analysis and Processing – ICIAP 2013 Extent: 517-526 Language: Not determined DOI: 10.1007/978-3-642-41190-8_56 ISSN: 0302-9743; 1611-3349 Footnote: