Human action recognition in computer vision has been widely studied in recent years. However, most algorithms consider only certain action specially with even high computational cost. That is not suitable for practical applications with multiple actions to be identified with low computational cost. To meet various application scenarios, this paper presents a unified human action recognition framework composed of two modules, i.e., multi-form human detection and corresponding action classification. Among them, an open-source dataset is constructed to train a multi-form human detection model that distinguishes a human being's whole body, upper body or part body, and the followed action classification model is adopted to recognize such action as falling, sleeping or on-duty, etc. Some experimental results show that the unified framework is effective for various application scenarios. It is expected to be a new application-driven AI paradigm for human action recognition.

本文提出了一个可适用于多种应用场景的人体动作识别框架，包含多形式人体检测和对应动作分类两个模块。其中，通过构建开源数据集来训练多形式人体检测模型，从而识别人的整体、上半身或部分身体，并采用动作分类模型来识别跌倒、睡觉等动作。实验结果表明，该框架对于各种应用场景都是有效的，是一种新的面向应用的人体动作识别 AI 范式。

应用驱动的人类动作识别AI范式