
1. Introduction.- 2. Main Steps of Human Behavior Sensing and Understanding.- 3. Sensor-Based Behavior Recognition.- 4. Device-free Behavior Recognition.- 5. Individual Behavior Recognition.- 6. Group Behavior Recognition.- 7. Community Behavior Understanding.- 8. Open Issues...

1. Introduction.- 2. Main Steps of Human Behavior Sensing and Understanding.- 3. Sensor-Based Behavior Recognition.- 4. Device-free Behavior Recognition.- 5. Individual Behavior Recognition.- 6. Group Behavior Recognition.- 7. Community Behavior Understanding.- 8. Open Issues...