URI: http://www.qualityml.org/1.0/measure/MissingClass
Name: MissingClass
Alternative names: Missing category
Definition:

Indicator showing that a specific class is missing in the data.

Parameters: ClassName
Source: A3C
Classes: Completeness; omission
Example: A class "boreal forest" is not present in the classified image. In situ data (ground truth) suggest that borael forest is present in the scene extent.
Further information: It is focuses on a value class (from the legend class collection in a classified imagery product) that is not present in the data. It is still possible that this is not a error and the is not really present in this scene and needs to be validated with ground truth to be considered an error.