ISO/IEC 14496-2:2004 provides the following elements related to the encoded representation of visual information:- Specification of video coding tools, object types and profiles, including capability to encode rectangular-based and arbitrary-shaped video objects, capability to define scalable bitstreams and error-resilient encoding tools;- Specification of coding tools, object types and profiles for mapping of still textures into visual scenes;- Specification of coding tools, object types and profiles for human face and body animation based on face/body models and additional semantic parameters; and- Specification of coding tools, object types and profiles