Add positioning intro: image redaction, CPU-light, Indian context, pluggable OCR

README.md

@@ -7,6 +7,15 @@ tags: [pii, redaction, document-ai]
 
 # document-pii-redactor model weights
 
+Most PII redactors stop at plain text. These models power
+[document-pii-redactor](https://github.com/eka-care/document-pii-redactor),
+which also redacts **document images** and is light enough to deploy on
+**CPU**. They are trained to understand **Indian names, documents, and
+contexts**, and the text model works across **Indian languages**. The
+image pipeline defaults to **Tesseract OCR** to keep memory low — and any
+OCR (Textract, Google Vision, …) plugs straight in for even better
+redaction accuracy.
+
 Single repo holding the models used by the document-pii-redactor GitHub repo
 (https://github.com/eka-care/document-pii-redactor), organized by modality. You
 can use the document-pii-redactor repo directly to use these models — it has