6. The data processing apparatus described in 4, further including an input receiving unit that receives a user input to individually set a start position and an end position of each of a plurality of the time windows.

7. The data processing apparatus described in any one of 2 to 6, in which the person extraction unit extracts a predetermined number of persons in descending order of appearance frequency.

8. The data processing apparatus described in any one of 2 to 6, in which the person extraction unit extracts a person whose appearance frequency is equal to or higher than a predetermined level.

9. The data processing apparatus described in any one of 2 to 8, in which the output unit outputs an image of the person acquired from the moving image data to be analyzed as information regarding the extracted person.

10. The data processing apparatus described in 9, in which the output unit displays a list of a plurality of images of the person acquired from a plurality of different frames as information regarding the extracted person.

11. The data processing apparatus described in 9 or 10, in which the output unit outputs an appearance frequency of the extracted person in the moving image data to be analyzed as information regarding the extracted person.

12. The data processing apparatus described in any one of 9 to 11, in which the output unit displays information regarding each of a plurality of extracted persons as a list in descending order of appearance frequency.

13. The data processing apparatus described in any one of 9 to 12,

in which the moving image data to be analyzed includes moving image data captured at the same place over a predetermined time period, and