underscore not detected in textract

Hi, Thank you for using Amazon Textract and I am sorry to hear to that you are facing some issues with our line detection quality. We are investigating this issue and I'll update the thread once I have more details.

Hi, it'd be great if you could you provide us with a sample file for which you are facing the issues and your AWS account id and the region you are operating in. You could contact AWS support to share the details. This will help us in identifying the issue.