Document Understanding
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Document Understanding User Guide
Automation CloudAutomation Cloud Public SectorAutomation SuiteStandalone
Last updated Jul 24, 2024

OCR services

About OCR services

OCR services are used for the following purposes:

  • At data labeling time, when importing documents into Document Manager. The engines available for this step are UiPath Document OCR, Google Cloud Vision OCR, and Microsoft Read OCR.
  • At run time when calling models from RPA workflows. Visit OCR Engines to check the engines available for this step.

Configure OCR service in Document Manager and AI Center Document Understanding ML packages

The table below shows how to configure the six supported OCR engine types in both Document Manager and AI Center.

Important: The ocr.method argument corresponds to the OCR Engine dropdown in the ML Package creation view in AI Center.

OCR Engine

OCR Method

OCR Key

OCR URL

UiPath

UiPath Document OCR (Cloud and On-Premises)

UiPathDocumentOCR_CPU(On-Premises)

OCR for Chinese, Japanese, Korean (Cloud and On-Premises)

UiPath Automation Cloud

Document Understanding API Key

Enterprise Plan

http://<IP_addr>:<port_number>

Google

Google Cloud Vision OCR

GCP Console API Key

https://vision.googleapis.com/v1/images:annotate

Microsoft Read 2.0 On-Prem

Microsoft Read OCR

None

http://<IP_addr>:<port_number>/vision/v2.0/read/core/Analyze

Microsoft Read 2.0 Azure

Microsoft Read OCR

API Key for your resource from Azure Portal

<Azure_resource_Endpoint>/vision/v2.0/read/core/asyncBatchAnalyze

Microsoft Read 3.2 On-Prem

Microsoft Read OCR

None

http://<IP_addr>:<port_number>/vision/v3.2/read/analyze

Microsoft Read 3.2 Azure

Microsoft Read OCR

API Key for your resource from Azure Portal

<Azure_resource_Endpoint>/vision/v3.2/read/analyze

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