1      Definition

A Data Type including the Objects of a Visual Scene, the Visual Sub-Scenes, and their arrangement in the Scene.

2      Functional Requirements

Visual Scene Descriptors include Sub-Scene Descriptors in addition to Objects.

3      Syntax


4      Semantics

Label Size Description
Header N1 Bytes Visual Scene Descriptors Header
– Standard-Visual Scene Descriptors 9 Bytes The characters “OSD-VSD-V”
– Version N2 Bytes Major version – 1 or 2 characters
– Dot-separator 1 Byte The character “.”
– Subversion N3 Bytes Minor version – 1 or 2 characters
MInstanceID N4 Bytes Identifier of M-Instance.
VisualSceneDescriptorsID N5 Bytes Identifier of Visual Scene Descriptors.
ObjectCount N6 Bytes Number of Visual Objects in Scene.
SceneCount N7 Bytes Number of Visual Scenes in Scene.
VisualSceneDescriptorsSpaceTime N8 Bytes Space and Time of Visual Scene Descriptors.
VisualSceneObjects[] N9 Bytes Set of Visual Objects.
– VisualSceneObject N10 Bytes Visual Object.
– VisualSceneObjectSpaceTime N11 Bytes Space Time of Visual Object.
VisualSceneSubScenes[] N9 Bytes Set of Visual Sub-Scenes.
– VisualSceneSubScene N10 Bytes Visual Sub-Scene.
– VisualSceneSubSceneSpaceTime N11 Bytes Space Time of Visual Sub-Scene.
DescrMetadata N16 Bytes Descriptive Metadata