1      Definition

A Data Type representing the Objects of a Ultrasound Basic Scene and their arrangement in the Scene.

2      Functional Requirements

Ultrasound Basic Scene Descriptors include:

  1. The ID of a Virtual Space where it is or will be located.
  2. The ID of the Ultrasound Scene Descriptors.
  3. The number of Ultrasound Objects in the Scene.
  4. The Ultrasound Basic Scene Space-Time.
  5. The Ultrasound Objects that include, for each Ultrasound Object:
    1. The Ultrasound Object Space-Time.
    2. The Ultrasound Object ID or the Ultrasound Object.

3      Syntax

https://schemas.mpai.community/CAV2/V1.0/data/Ultrasound BasicSceneDescriptors.json

4      Semantics

Label Size Description
Header N1 Bytes Ultrasound  Basic Scene Header
– Standard-Ultrasound BasicScene 9 Bytes The characters “CAV-LSD-”
– 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.
Ultrasound SceneDescriptorsID N5 Bytes Identifier of the Ultrasound Object.
ObjectCount N6 Bytes Number of Objects in Scene
UltrasoundBasicSceneSpaceTime N7 Bytes Data about Space-Time of Ultrasound Scene
UltrasoundBasicSceneUltrasoundObjects[] N8 Bytes Set of Ultrasound Objects
– Ultrasound ObjectID and/or Ultrasound Object N9 Bytes Ultrasound  Object ID or Ultrasound Object
– Ultrasound ObjectSpaceTime N10 Bytes Space-Time of Ultrasound Object
DescrMetadata N11 Bytes Descriptive Metadata