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Vehicle identification SDK

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Scans and recognizes single-line license plates, VINs, driver's licenses, and vehicle registration certificates in the Chinese mainland from a video stream.

Note

Starting May 12, 2026, the Alibaba Cloud Vision Intelligence Platform will no longer issue new licenses for its offline SDK products. Users who have already purchased a license can continue to use the service.

Key features

  • High accuracy: Nearly 90% recognition accuracy for both single images and video streams.

  • High performance: 0.1-second response time on mid-range devices.

Scenarios

  • Offline recognition of license plates, VINs, driver's licenses, and vehicle registration certificates.

  • Efficient recognition of license plates and VINs on offline handheld devices for the automotive sector.

Prerequisites

Before using the SDK, you must complete the activation and authorization. For details, see Activate and authorize an offline SDK.

Billing

For pricing details, see Offline SDK billing.

Supported platforms

Android, iOS

Limitations

  • Android: Android 5.0 or later. The device must have a camera module and a gyroscope module.

  • iOS: iOS 10 or later. iPhone 5s and later models are supported. The device must have a camera module.

  • Recommended camera resolution: A native resolution between 640×480 and 1280×720 pixels. Higher resolutions can reduce the recognition speed of the SDK.

  • To use the SDK on an iPhone 5s or earlier, or on low-end Android devices, contact us.

Integration

Important

This SDK does not transmit any data to the SDK provider. Therefore, if you use this SDK to collect personal information, you are considered the data processor. The SDK provider is not a data processor or a sub-processor. You must fully inform users and obtain their authorization in accordance with relevant laws and regulations. When informing users, ensure that the SDK provider is not identified as a data processor or a sub-processor.