US Patent 11074800 Fall detection method and apparatus

Embodiments of this disclosure provide a fall detection method and apparatus. The apparatus acquires information of radar reflection points belonging to a detected object in a predetermined number of consecutive frames, information on a radar reflection point including at least two of information on a position, information on a radial velocity and information on reflection signal strength, of the reflection point; determines whether the detected object has fallen according to a relationship between time and the information on radar reflection points in the predetermined number of consecutive frames.