The following diagram shows the combined First-time run and Repeat run workflow that automatically and repeatedly extracts content from PDF files with identical formats. This pattern’s workflow first runs Amazon Textract on a sample PDF file ( First-time run) and then runs it on PDF files that have an identical format to the first PDF ( Repeat run). For more information about these two options, see Detecting and analyzing text in multipage documents and Detecting and analyzing text in single-page documents in the Amazon Textract documentation. For more information about this, see PDF document preprocessing with Amazon Textract: Visuals detection and removal on the AWS Machine Learning Blog.įor multipage files, you can use an asynchronous operation or split the PDF files into a single page and use a synchronous operation. Native PDF files are recommended, but you can use scanned documents that are converted to a PDF format if all the individual words are clear. Your PDF files must be of good quality and clearly readable. You can use this pattern to process different types of PDF files and you can then scale and automate this workflow to process PDF files that have an identical format. The pattern uses a template matching technique to correctly identify the required field, key name, and tables, and then applies post-processing corrections to each data type. This pattern describes a step-by-step workflow for using Amazon Textract to automatically extract content from PDF files and process it into a clean output. Correctly identified and transformed data values are required because they can be more easily used by your downstream applications. Amazon Textract extracts the content information as strings. Other object information is also included, for example, bounding boxes, confidence intervals, IDs, and relationships. When Amazon Textract processes a file, it creates the following list of Block objects: pages, lines and words of text, forms (key-value pairs), tables and cells, and selection elements. You can use Amazon Textract in the AWS Management Console or by implementing API calls. We recommend that you use programmatic API calls to scale and automatically process large numbers of PDF files. On the Amazon Web Services (AWS) Cloud, Amazon Textract automatically extracts information (for example, printed text, forms, and tables) from PDF files and produces a JSON-formatted file that contains information from the original PDF file. On the Amazon Web Services (AWS) Cloud, Amazon Textract automatically extracts information (for example, printed text, forms, and tables) from PDF files and produces a JSON-formatted file that contains information from the original PDF file. For example, an organization could need to accurately extract information from tax or medical PDF files for tax analysis or medical claim processing. Many organizations need to extract information from PDF files that are uploaded to their business applications. Technologies: Machine learning & AI Analytics Big dataĪWS services: Amazon S3 Amazon Textract Amazon SageMaker
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