Optical Character Recognition
Optical Character Recognition
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All results for "
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What's New
Function Overview
Product Bulletin
[Removal Notice] Notice on Removal of Huawei Cloud ID Document OCR
[Discontinuation Notice] Notice on Discontinuation of Huawei Cloud ID Document OCR
Service Overview
What Is OCR?
Function Description
General OCR
Card OCR
Notes and Constraints
Related Services
Security
Shared Responsibilities
Identity Authentication and Access Control
Data Protection Technologies
Auditing
Service Resilience
Security Risk Monitoring
Billing
Billing Overview
Billing Modes
Overview
Package Billing
Pay-per-Use Billing
Billing Items
Billing Examples
Billing Mode Changes
Pay-per-Use to Package
Package to Pay-per-Use
What Is Fee Deduction Order for Pay-per-Use and Package?
Renewing Subscriptions
Overview
Manually Renewing an OCR Service
Auto-renewing an OCR Service
Bills
Arrears
Billing Termination
Cost Management
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
Introduction to OCR
Calling the Passport OCR API
Using an SDK to Call the Passport OCR
User Guide
Experience and Trial of OCR Function
How to Use OCR
Subscribing to an OCR Service
Preparing Data
Calling APIs or SDKs
Performing Online Debugging
Calling an OCR API Locally
Obtaining Recognition Results
Interpreting Recognition Results
Post-Processing the Recognition Results
Collecting API Usage Statistics
Unsubscribing from an OCR Service
Monitoring
OCR Monitoring Metrics
Viewing Metrics
Auditing
Key Operations Recorded by CTS
Viewing Tracing Logs
Permission Management
Permissions Management
Creating a User Group and an IAM User
Assigning Permissions to IAM Users
Logging In as an IAM User and Verifying Permissions
OCR Custom Policies
Enterprise Project Management
Application Scenario
Creating an Enterprise Project
Enterprise Project Accounting Management
SDK Reference
OCR SDK Overview
Java SDK
Python SDK
Node.js SDK
PHP SDK
C++ SDK
Go SDK
.NET SDK
API Reference
Before You Start
Overview
API Calling
Endpoints
Constraints and Limitations
Concepts
API Overview
Calling APIs
Overview
Subscribing to an OCR Service
Making an API Request
Authentication
Response
API
Smart Document Recognizer
ID Document
General Table
General Text
Web Image
Passport
Thailand ID Card
Colombia ID Card
Cambodian ID Card
Myanmar ID Card
Myanmar Driving License
Chile ID Card
Vietnam ID Card
Peru ID Card
Thailand Plate Number
Status Codes
Error Codes
Appendix
Obtaining a Project ID
Obtaining an Account ID
Configuring Access Permissions of OBS
FAQs
Subscription
How Do I Purchase an API That Best Suits My Needs?
How Do I Unsubscribe from an OCR Service?
Why Is the Subscribe Button Dimmed?
Why Is Subscription Displayed as "Unsubscribed" Despite Having Already Subscribed to a Service?
How Do I Select a Region for an OCR Package?
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?
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?
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?
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
Why Am I Not Authorized to View Data on the Console Service Monitoring Page?
Data Security and Privacy
Will User Data Be Saved When OCR Is Used?
Regions and AZs
What Are Regions and AZs?
Can APIs Be Called Across Regions?
Does Accessing Services in Different Regions Cause Latency?
General Consulting
Can OCR Export Recognition Results Right After Images Are Uploaded?
Can OCR Identify Text in Video Streams in Real Time?
Must I Use Huawei Cloud to Store Images When I Use OCR?
Can OCR Recognize Text Files?
How Do I Accelerate the Response to a Service Call?
Can OCR Be Used Offline?
Videos
Glossary
More Documents
API Reference (ME-Abu Dhabi Region)
Before You Start
Overview
API Calling
Endpoints
Constraints
Concepts
Calling APIs
Subscribing to an OCR Service
Making an API Request
Authentication
Response
APIs
Passport
UAE ID Card OCR
UAE Bank Card OCR
Appendix
Status Codes
Error Codes
Obtaining an Account ID and Project ID
Change History
General Reference
Glossary
Service Level Agreement
White Papers
Endpoints
Permissions