1     Definition 2     Functional Requirements 3     Syntax
4     Semantics 5    Conformance Testing 6     Performance Assessment

1      Definition

An Item including a series of Ultrasound Scene Descriptors for a certain duration.

2      Functional Requirements

Ultrasound Event Descriptors contains Ultrasound Scene Descriptors for a Time.

3      Syntax

https://schemas.mpai.community/OSD/V1.4/data/UltrasoundEventDescriptors.json

4      Semantics

Label Description
Header Ultrasound Event Descriptors Header
– Standard-UltrasoundEventDescriptors The characters “OSD-USE-V”
– Version Major version – 1 or 2 characters
– Dot-separator The character “.”
– Subversion Minor version – 1 or 2 characters
MInstanceID Identifier of M-Instance.
EventID Identifier of the Event.
EventSpaceTime Data about start and end Space-Time.
SceneDescriptors[] Set of Scene Descriptors
– SceneDescriptors Set of AV Scene Descriptors of IDs.
DescrMetadata Descriptive Metadata

5     Conformance Testing

A Data instance Conforms with MPAI-OSD Ultrasound Event Descriptors  (OSD-USE) if:

  1. The Data validates against the Ultrasound Event Descriptors’ JSON Schema.
  2. All Data in the Ultrasound Event Descriptors’ JSON Schema
    1. Have the specified type
    2. Validate against their JSON Schemas
    3. Conform with their Data Qualifiers if present.

6     Performance Assessment