A review of human activity recognition methods

Recognizing human activities from video sequences or still images

intention定义: activity; 一个描述性词

Usually, the terms “activity” and “behavior” are used interchangeably in the literature (Castellano et al., 2007; Song et al., 2012a). In this survey, we differentiate between these two terms in the sense that the term “activity” is used to describe a sequence of actions that correspond to specific body motion. On the other hand, the term “behavior” is used to characterize both activities and events that are associated with gestures, emotional states, facial expressions, and auditory cues of a single person. Some

Decomposition of human activities (depending on complexity)

Summary of previous surveys

Proposed hierarchical categorization of human activity recognition methods

Unimodal methods represent human activities from data of a single modality, such as images.

其实是一个纯CV问题，应该用不到，后面一半就没看了