Cover -- Editorial advisory board -- Editorial -- Guest editorial -- HDR imaging for feature tracking in challenging visibility scenes -- A new classification strategy for human activity recognition using cost sensitive support vector machines for imbalanced data -- Coarticulation and speech synchronization in MPEG-4 based facial animation -- Semantic Category theory and Semantic Intertwine: the anathema of mathematics -- Tracking progress of African Peer Review Mechanism (APRM) using fuzzy comprehensive evaluation method -- Service branding: suggestingan interactive model of service brand development -- Research on the relationship between air quality and economy development in major cities of China -- Enactive management: dancing with uncertainty and complexity -- Containment control of second-order multi-agent systems with directed topology and time-delays -- Job scheduling in the Expert Cloud based on genetic algorithms.