公司Google Vision API（Text Detection）项目相关技术问题问询

Great questions—let's break these down clearly for your project:

To guarantee Google Vision API (Text Detection) processes your data within the EU, follow these key steps:

• Use EU-specific API endpoints: When making API calls, target the EU regional endpoint eu-vision.googleapis.com instead of the global default. This ensures the core OCR processing happens on Google's EU-based servers.
• Configure client libraries for EU regions: If you're using Google's official client libraries (like Python, Java, etc.), explicitly set the EU endpoint during client initialization. For example, in Python:

  from google.cloud import vision_v1
  
  client = vision_v1.ImageAnnotatorClient(
      client_options={"api_endpoint": "eu-vision.googleapis.com"}
  )
  

• Host related data in EU regions: If you're using Cloud Storage to store images for processing, create your buckets in an EU region (like eu-west1, eu-central1). This avoids cross-region data transfer and ensures any intermediate data handling stays within the EU.
• Verify region support: Double-check Google's documentation to confirm which EU regions support Vision API—all major EU regions are covered, but it's good to confirm for your specific use case.

Depending on how you integrate Vision API into your project, these services may also incur costs:

• Cloud Storage: If you upload images to Cloud Storage for processing, or store OCR results long-term, you'll be charged for storage capacity, data retrieval, and cross-region data transfers (if applicable).
• Data transfer fees: Any data moving between your application servers and the EU Vision endpoint, or between Cloud Storage buckets and the Vision API (if cross-region), will add to your bill.
• Compute services (Cloud Functions/Cloud Run): If you use serverless functions to trigger Vision API calls (e.g., auto-processing images when uploaded to Cloud Storage), you'll pay for the compute time and resources used by these services.
• BigQuery: If you store OCR-extracted text in BigQuery for analysis or reporting, you'll be charged for storage and query execution.
• API Gateway: If you use an API Gateway to manage access to Vision API (for rate limiting, authentication, etc.), gateway calls and data transfer through the gateway will be billable.

内容的提问来源于stack exchange，提问作者P. Morales