# Tencent Cloud PalmAI

## Overview
PalmAI is a contactless palm biometric authentication 
service developed by Tencent Cloud...

## Architecture
PalmAI uses a dual-modal approach combining:
- **Palm print recognition** — surface-level skin texture, 
  lines and contours
- **Palm vein recognition** — subcutaneous vein patterns 
  captured via infrared cameras

Both modalities are processed simultaneously and fused 
at the matching stage for higher accuracy.

## Input
- Infrared camera capture (no physical contact required)
- Works at distances of X cm

## Performance
- Can support 50M+ active users
- Can support 2B+ annual transactions
- Sub-second identification speed

## Use Cases
- Retail payments
- Transit access
- Smart building access control
- Healthcare KYC verification

## Deployment
Available via Tencent Cloud API. 
Docs: https://palm.tencent.com