How AI-Powered Hand Gesture Detection Drove a Double‑11 Celebrity Rock‑Paper‑Scissors Game

This article details how Alibaba leveraged AI-driven hand‑gesture detection and a lightweight SSD‑based object detection model to create an interactive rock‑paper‑scissors game for Double‑11, addressing challenges of undefined gestures, real‑time mobile performance, and data collection, and achieving over 16 million page views and high accuracy.

Mobile AIReal-time inferenceSSD

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How AI-Powered Hand Gesture Detection Drove a Double‑11 Celebrity Rock‑Paper‑Scissors Game

Meituan Technology Team

Sep 26, 2019 · Artificial Intelligence

Efficient Scene Text Detection Framework with Feature Pyramid and Expanded High-Level Feature Maps

The paper presents an efficient scene‑text detector that expands high‑level SSD feature maps and integrates a feature‑pyramid network, using direction‑aware segment‑and‑link predictions to reconstruct arbitrarily long, rotated text, achieving higher recall and precision with real‑time speed and outperforming recent methods on ICDAR benchmarks and a menu‑recognition test.

Computer VisionDeep LearningICDAR

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Efficient Scene Text Detection Framework with Feature Pyramid and Expanded High-Level Feature Maps