Device, method and storage medium

1. A device comprising:

a first storage unit configured to store, when an object moves between separate image capturing areas which are captured by a plurality of surveillance cameras, a plurality of movement histories of the object between image data respectively captured by the surveillance cameras;

an identification unit configured to identify, among the plurality of surveillance cameras, one surveillance camera that has captured a target object to track, and an image capturing time, according to an operation of an operator; and

an estimation unit configured to estimate at least one other surveillance camera that is different from the one surveillance camera and that captures the target object, among the plurality of surveillance cameras, and an estimated time when the other surveillance camera captures the target object, based on the movement history and an identification result obtained by the identification unit.

2. The device according to claim 1 , comprising:

a second storage unit configured to store at least one of the image data captured by the other surveillance camera at the estimated time, or the image data captured by the one surveillance camera at the image capturing time.

3. The device according to claim 2 , comprising:

a first transmission unit configured to transmit, to a preset destination, at least one of the image data captured by the other surveillance camera at the estimated time, or the image data captured by the one surveillance camera at the image capturing time.

4. The device according to claim 3 , wherein

the second storage unit is configured to store the image data captured by the other surveillance camera at the estimated time, and the image data captured by the one surveillance camera at the image capturing time,

the device comprising:

an image analysis unit configured to analyze the image data; and

a first output unit configured to collectively output features of the target object acquired by the image analysis unit respectively from the image data captured by the other surveillance camera at the estimated time, and the image data captured by the one surveillance camera at the image capturing time.

5. The device according to claim 3 , wherein

the second storage unit is configured to store the image data captured by the other surveillance camera at the estimated time, and the image data captured by the one surveillance camera at the image capturing time,

the device comprising:

an image analysis unit configured to analyze the image data; and

a second output unit configured to output an alert signal in a case where the target object is not shown in the image data captured by the other surveillance camera at the estimated time.

6. The device according to claim 2 , wherein

the second storage unit is configured to store the image data captured by the other surveillance camera at the estimated time, and the image data captured by the one surveillance camera at the image capturing time,

the device comprising:

an image analysis unit configured to analyze the image data; and

a first output unit configured to collectively output features of the target object acquired by the image analysis unit respectively from the image data captured by the other surveillance camera at the estimated time, and the image data captured by the one surveillance camera at the image capturing time.

7. The device according to claim 2 , wherein

the second storage unit is configured to store the image data captured by the other surveillance camera at the estimated time, and the image data captured by the one surveillance camera at the image capturing time,

the device comprising:

an image analysis unit configured to analyze the image data; and

a second output unit configured to output an alert signal in a case where the target object is not shown in the image data captured by the other surveillance camera at the estimated time.

8. The device according to claim 2 , comprising:

a second transmission unit configured to transmit, to a preset destination, at least one of location information of the image data captured by the other surveillance camera at the estimated time, or location information of the image data captured by the one surveillance camera at the image capturing time.

9. The device according to claim 2 , wherein

the identification unit is configured to:

identify, as the one surveillance camera, a surveillance camera corresponding to identification information which is input from the operator among identification information of the respective surveillance cameras; and

identify, as the image capturing time, a time which is input from the operator.

10. The device according to claim 2 , comprising:

an acquisition unit configured to acquire, from each surveillance camera, the image data captured by the surveillance camera, wherein

the identification unit is configured to identify, as the one surveillance camera, the surveillance camera that captured the image data, according to the operator specifying the target object in the image data, and identify, as the image capturing time, a time when the image data was captured.

11. The device according to claim 2 , wherein

the identification unit is configured to further identify at least one of a movement direction or a movement speed of the target object, according to the operation of the operator.

12. The device according to claim 1 , comprising:

a second transmission unit configured to transmit, to a preset destination, at least one of location information of the image data captured by the other surveillance camera at the estimated time, or location information of the image data captured by the one surveillance camera at the image capturing time.

13. The device according to claim 1 , wherein

the identification unit is configured to:

identify, as the one surveillance camera, a surveillance camera corresponding to identification information which is input from the operator among identification information of the respective surveillance cameras; and

identify, as the image capturing time, a time which is input from the operator.

14. The device according to claim 1 , comprising:

an acquisition unit configured to acquire, from each surveillance camera, the image data captured by the surveillance camera, wherein

the identification unit is configured to identify, as the one surveillance camera, the surveillance camera that captured the image data, according to the operator specifying the target object in the image data, and identify, as the image capturing time, a time when the image data was captured.

15. The device according to claim 1 , wherein

the identification unit is configured to further identify at least one of a movement direction or a movement speed of the target object, according to the operation of the operator.

16. The device according to claim 1 , wherein

the estimation unit is configured to perform statistical processing on the plurality of movement histories to estimate the other surveillance camera and the estimated time.

17. The device according to claim 1 , wherein

the estimation unit is configured to estimate identification information of the other surveillance camera, and the estimated time by using a model in which learning processing is performed by using learning data including the plurality of movement histories, and which outputs, according to an input of the identification result obtained by the identification unit, the identification information of the other surveillance camera, and the estimated time.

18. A system comprising:

the device according to claim 1 ; and

the plurality of surveillance cameras configured to capture images in the separate image capturing areas.

19. A method comprising:

storing, when an object moves between separate image capturing areas which are captured by a plurality of surveillance cameras, a plurality of movement histories of the object between image data respectively captured by the surveillance cameras;

identifying, among the plurality of surveillance cameras, one surveillance camera that has captured a target object to track, and an image capturing time, according to an operation of an operator; and

estimating at least one other surveillance camera that is different from the one surveillance camera and that captures the target object, among the plurality of surveillance cameras, and an estimated time when the other surveillance camera captures the target object, based on the movement history and an identification result obtained by the identifying.

20. A non-transitory computer-readable recording medium having recorded thereon a program that causes a computer to perform steps of:

storing, when an object moves between separate image capturing areas which are captured by a plurality of surveillance cameras, a plurality of movement histories of the object between image data respectively captured by the surveillance cameras;

identifying, among the plurality of surveillance cameras, one surveillance camera that has captured a target object to track, and an image capturing time, according to an operation of an operator; and

estimating at least one other surveillance camera that is different from the one surveillance camera and that captures the target object, among the plurality of surveillance cameras, and an estimated time when the other surveillance camera captures the target object, based on the movement history and an identification result obtained by the step of identifying.