XPENG RoboticsJul 2022 – Nov 2022

Spatio-Temporal Human Action Recognition and Localization

A spatio-temporal action recognition project using contextual relationships between actions, people, and surrounding objects.

Project Snapshot

Signal Details
Timeline Jul 2022 to Nov 2022
Organization XPENG Robotics
Focus Spatio-Temporal Human Action Recognition
Stack Custom implementation and project-specific tooling

Methods Explored

  • Studied ACAR-Net, AIA, and long-term feature bank approaches.
  • Manually labeled custom 30 FPS video data for ACAR-Net training.
  • Trained ACAR-Net on custom action recognition data.

Action Categories

Category Examples
Individual action Run, walk, jump, dance
Human-object interaction Carry, hold, touch an object
Human-human interaction Hug, assist, approach
Human-object-human interaction Give, serve, take an object