Abstract: This issue contains three papers. The first one presents a combined compression and simplification of dynamic 3D meshes and is proposed by Libor Vasa and Vaklav Scala from the University of West Bohemia in Pilsen, Czech Republic. The paper deals with a new approach to dynamic mesh compression. The algorithm allows fast progressive transmission of dynamic 3D content. The second paper is written by R. Farouki from the University of California, USA and Carlotta Giannelli from the University of Florence, Italy. It presents a spatial camera orientation control by rotation-minimizing directed frames research. The third paper is authored by several researchers from the University of Barcelona, Spain. A novel approach to generate augmented video sequences in real-time, involving interactions between virtual and real agents in real scenario is explained and discussed.