| 摘要 |
PROBLEM TO BE SOLVED: To provide a method and a device for estimating the line of flow from footsteps for the purpose of not only detecting an abnormal state of an aged person living alone but also remotely monitoring the conditions of daily life while considering the privacy of the aged person, and to provide a service provision system which is integrated with other sensor information, thereby allowing a relative in a distant location or a caretaker to easily monitor daily activities of the aged person without causing the aged person to feel unrest or tension regarding the privacy.SOLUTION: As an application utilized by a general user for monitoring an aged person living alone, a method, a device and a service provision system are provided in which a sound recorder such as a microphone array is small-sized and easily installed and removed in a living environment, work such as complicated calibration is simplified as further as possible, additional expansion of the microphone array can be easily implemented when enlarging a monitoring range, and regarding interference of surrounding environmental noise, robustness is secured. |
