Compare tool OCR/Image compare

I'm looking for a developer who has worked specifically with document based image comparison and OCR. The requirement is to be able to compare two versions of a document which has drawings and text, by: 1) Using OCR to understand the document name, number, version 2) Using Image comparison to track changes in the document Ideally, for this, the document should be converted and the versions managed accordingly. Only interested in working with talented individuals No companies.