AWS Builder Center is the official home for builders on AWS. Share and read what others are working on, follow people who inspire you, explore training and workshops, and find tools to support what you're building.
Text extract problem
Hi, I'm having issues with the OCR text-extract service recognizing specific acronyms that are perfectly readable in a PDF. The problem is with the abbreviation MVA, which is omitted when I run the OCR process. All other words in the document are correctly read except for this one (attached image).
I tried converting the document to an image, but the issue persists.
Can anyone help me with this problem?
- Newest
- Most votes
- Most comments
I understand your frustration with Amazon Textract not recognizing the specific acronym "MVA" in your PDF document. This is a known issue that can occur with OCR services, including Textract, where certain characters or abbreviations may be misinterpreted or omitted.
To address this problem, you can try the following approaches:
-
Image Quality: Ensure that the PDF or image you're providing to Textract is of high quality. Clear, well-lit, and properly focused images can significantly improve recognition accuracy.
-
Preprocessing: Before sending the document to Textract, try applying some preprocessing techniques. This could include image enhancement, noise reduction, or adjusting the contrast to make the text more distinct.
-
Document Format: If you haven't already, try different document formats. While you mentioned converting to an image didn't help, you could experiment with different image formats (PNG, JPEG, TIFF) or PDF versions to see if one works better for your specific case.
-
Custom Queries: If the acronym "MVA" appears in a consistent location or context within your documents, you might be able to use Textract's custom query feature to specifically target and extract this information.
-
Post-processing: Implement post-processing techniques on the extracted text. For example, you could use regular expressions or specific rules to identify where "MVA" should appear based on the surrounding context, and then manually insert it if it's missing.
-
Feedback to AWS: It's worth providing feedback to Amazon through their support channels about this specific issue. This helps them improve the service over time.
If the problem persists despite these measures, it may be beneficial to contact AWS support directly. They might be able to provide more specific guidance or investigate if there's an underlying issue with the Textract service itself for your particular use case.
Remember, while Textract is a powerful tool, it's not perfect, and there may be cases where manual intervention or additional processing is necessary to achieve the desired results.
Sources
Amazon Textract Training | AWS re:Post
Amazon Textract OCR Issues with Mixed Language Documents | AWS re:Post
textract can't read line feed values in invoice forms | AWS re:Post
AWS Textract Missing Crucial Data in a Table | AWS re:Post
answered 2 years ago
Relevant content
asked 2 years ago
