Research Article

Human Depth Sensors-Based Activity Recognition Using Spatiotemporal Features and Hidden Markov Model for Smart Environments

Table 1

Comparison of recognition accuracy using IM-DailyDepthActivity.

MethodRecognition accuracy

Recognized body parts features [19]28.4
Eigenjoints [20]40.3
Super normal vector [1]51.6
Depth silhouettes context features [21]57.69
Proposed method63.7