- What's New
- Function Overview
- Product Bulletin
- Service Overview
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Billing
- Billing Overview
- Billing Modes
- Billing Items
- Billing Examples
- Billing Mode Changes
- Renewing Subscriptions
- Bills
- Arrears
- Billing Termination
- Cost Management
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Billing FAQ
- Why Do I Get Additional Charges or Arrears After Purchasing a Package?
- Why Can I Still Call the Service and Incur Arrears When My Account Balance Is Zero?
- Why Do I Get Additional Charges or Arrears After Unsubscribing from an OCR Service?
- Can I Refund a Package After I Buy It?
- How Is Billing Handled When a Package Is Used Up? And How Can I Check the Remaining Quota and Receive Alerts for My Package?
- How Does a Member Account Use a Package Purchased by an Enterprise Master Account?
- What Is Fee Deduction Order for Multiple Packages?
- What are Grace Period and Retention Period?
- What Is Considered Valid Billing for OCR?
- Can Different API Packages Be Shared?
- Can OCR Be Charged by Project?
- Getting Started
- User Guide
- SDK Reference
- API Reference
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FAQs
- Subscription
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Token-based Authentication
- What Are the Username, Domain Name, and Project Name in the Token Message Body?
- Why Is the Error Message "The account is locked." Displayed?
- Why Is the Error Message "The username or password is wrong." Displayed?
- Why Does the Token Retrieval Process Return a 401 Status Code?
- Why Does the Token Fail to Be Obtained When I Use Postman to Call an ORC API?
- Why Don't I Have Programming Access Permissions?
- Why Does the Header Overflow When I Use Postman to Call an OCR API?
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API
- How Do I View the API Usage?
- Why Is the Actual Number of API Calls Inconsistent with the Record Displayed on the Management Console?
- Does OCR Support Batch Processing?
- Can the OCR Results Be Converted into Word, TXT, or PDF Files?
- How Do I Obtain the Base64 Code of an Image?
- What Is the Number of Concurrent OCR API Calls?
- How Do I Use OCR APIs?
- Can the Region Where OCR Is Called Be Different from the Region Where OBS Resources Are Located?
- Can the Input Data of OCR Be Stored Locally?
- How Do I Improve the Recognition Speed?
- How Do I Convert a PDF to an Image?
- Can OCR Read Images from Non-Huawei Cloud Storage?
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SDK
- Do OCR SDKs Need to Be Purchased?
- Do OCR SDKs Need Maven to Manage Dependency Packages?
- How Do I Change the Response Type in Returned Results?
- How Can I Fix an SSL Configuration Error?
- How Can I Fix a "connect timed out" Error?
- Why Does the Project ID Fail to Be Obtained?
- What Should I Do if I Forget My AK and SK?
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Error Code
- Why Do I Fail to Call an OCR API?
- How Do I Handle the Error APIG.0301?
- How Do I Handle the Error APIG.0201?
- How Do I Handle the Error APIG.0101?
- How Do I Handle the Error APIG.0106?
- How Do I Handle the Error APIG.0308?
- How Do I Handle the Error ModelArts.0212?
- How Do I Handle the Error ModelArts.4603 or ModelArts.4704?
- How Do I Handle the Error ModelArts.4204?
- Permissions
- Data Security and Privacy
- Regions and AZs
- General Consulting
- Videos
- Glossary
- More Documents
- General Reference
Show all
Optical Character Recognition
OCR provides services through open Application Programming Interfaces (APIs). You can obtain the inference result by accessing and invoking APIs in real time.
Progressive Knowledge
OCR knowledge for users from beginner level to expert level
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Understand
Understanding the product introduction, application scenarios, and usage restrictions of Huawei Cloud Optical Character Recognition helps to better use the Optical Character Recognition.
Service Overview
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SDK
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API
Through the open API and calling examples, you can use the Passport OCR, Thai ID Card OCR, Myanmar ID Card OCR and other functions of the Optical Character Recognition.
API
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Start
Optical Character Recognition (OCR) provides the text recognition capability through an application programming interface (API) to recognize and convert characters in images and scanned copies into editable text.
Development Beginner
Development Engineer
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SDK
Optical Character Recognition Software Development Kit (OCR SDK for short) encapsulates the RESTful APIs provided by OCR to simplify application development. You can directly call API functions provided by OCR SDKs to use OCR.
Common Operations
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FAQs
Learn more about common issues and solutions.
Typical Cases
General Consulting