Movement Amount Estimation System, Movement Amount Estimation Method and Mobile Terminal

A movement amount estimation method for estimating, in a movement amount estimation system having a storage area configured to store acceleration data including a time of measurement by an acceleration sensor which a mobile terminal has and an acceleration measured by the acceleration sensor, a movement amount of a holder of the mobile terminal based on the acceleration sensor data,

• the movement amount estimation method including:
• detecting a start time and an end time of an elevator riding time period of the holder based on an increase and decrease of the acceleration data stored in the storage area;
• integrating the acceleration data from the start time to the end time by a time period from the start time to the end time to calculate a movement velocity of the holder from the start time to the end time;
• correcting one of a movement velocity at the start time and a movement velocity at the end time based on another of the movement velocity at the start time and the movement velocity at the end time;
• and
• integrating the movement velocity corrected in the correcting of the movement velocity by the time period from the start time to the end time to estimate a movement amount of the holder when the holder uses an elevator.

A mobile terminal, comprising an acceleration sensor and a storage area configured to store acceleration data measured by the acceleration sensor, for estimating a movement amount of a holder of the mobile terminal based on the acceleration data, the mobile terminal further comprising:

• an elevator riding time period detection part configured to detect a start time and an end time of an elevator riding time period of the holder based on an increase and decrease of the acceleration data stored in the storage area;
• a movement velocity calculation part configured to integrate the acceleration data from the start time to the end time by a time period from the start time to the end time to calculate a movement velocity of the holder from the start time to the end time;
• a movement velocity correction part configured to correct one of a movement velocity at the start time and a movement velocity at the end time based on another of the movement velocity at the start time and the movement velocity at the end time;
• and
• a movement amount estimation part configured to integrate the movement velocity corrected by the movement velocity correction part by the time period from the start time to the end time to estimate a movement amount of the holder when the holder uses the elevator.