Assertion: blob | /r/HasProperty | tracked
Facets:
value: currently
type: TEMPORAL
Source sentences:
text: Thus if you use 10 then any blob needs to move more than 10 pixels (relative to their center) in order for the blob to start being tracked.
text: There are two types, blobs that are currently being tracked and those that have stopped tracking (most likely the blob is no longer present in the image).
text: I.e. a blob being tracked has suddenly disappeared.