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Face Similarity Search API

Transforming Image Search with AI-Powered Face Recognition

In today’s digital world, organizations and applications increasingly rely on fast, accurate, and secure face recognition for identity verification, content management, and user experience. Manual image comparison is slow, error-prone, and unscalable. The Face Similarity Search API leverages advanced AI to automate and accelerate face matching, delivering instant, reliable results for a wide range of business needs.

About the Solution

The Face Similarity Search API is an intelligent service that enables users to upload a face image and retrieve visually similar faces from a pre-indexed collection. Built on Amazon Rekognition and AWS S3, it provides rapid, accurate face comparison and seamless integration for web and mobile applications.

How AI Powers the Solution

  • Amazon Rekognition: Uses deep learning to extract facial features and compare uploaded images to a large indexed collection.
  • Automated Image Processing: Backend service handles file uploads, storage, and invokes AI-powered face search with minimal latency.
  • Real-Time Results: Returns similarity scores, metadata, and image URLs in 1-2 seconds, enabling instant feedback and user interaction.

Business Value

  • Accelerate Identity Verification: Instantly match faces for KYC, access control, or user onboarding.
  • Enhance User Experience: Power visual search, photo tagging, and content discovery with AI-driven accuracy.
  • Reduce Manual Effort: Eliminate the need for manual image review and comparison.
  • Scalable & Secure: Built on AWS, the solution scales to millions of images and ensures data privacy.

Solution Workflow

  1. User uploads a face image via web or mobile interface.
  2. API receives and stores the image in an Amazon S3 bucket.
  3. Amazon Rekognition compares the uploaded face to indexed faces in the collection.
  4. API returns a list of the most similar faces, including similarity percentage and metadata.
  5. Frontend displays results in a responsive gallery with image cards and details.
  • Speed: Find similar faces in seconds, even in large datasets.
  • Accuracy: Deep learning models deliver high-precision matches.
  • Integration: Simple API for web, mobile, and enterprise systems.

Real-World Impact

  • 90%+ reduction in manual review time
  • Higher accuracy and user trust
  • Faster onboarding and content management

API Endpoint

POST /face/search

Send a multipart/form-data request with the image file included as image.

Sample Response

{
  "matches": [
    {
      "faceId": "abc123",
      "externalImageId": "user1.jpg",
      "similarity": 98.7
    },
    // ...more matches...
  ]
}

If no match is found:

{
  "message": "No matching faces found",
  "matches": []
}

Image URL Format

To display a matched image, use:

https://aidemos-assets.s3.ap-south-1.amazonaws.com/infinitheism-demo/{externalImageId}