Segmented numbers like the ones you find in LCD or LED displays are not supported by the VNRecognizeTextRequest.
Can you confirm this is still true?
RobinKlippa
Users receive reputation points by contributing quality content to the forums.
Posts include post and replies published on the forums.
Post authors can mark replies as Accepted to indicate successful solutions.
Apple Developer Forums admins can mark replies as Apple Recommended to indicate an approved solution
Post
Replies
Boosts
Views
Activity
A little more active thread related to this: https://developer.apple.com/forums/thread/737875