Camera setting assist system and camera setting assist method

1. A camera setting assist system comprising:

a terminal apparatus configured to receive an input manipulation of a user; and

a server that is communicatively connected to the terminal apparatus, wherein:

the terminal apparatus transmits, to the server, setting information including specification information of a camera based on the input manipulation of the user, environment information indicating an environment in which the camera is installed, and a map image of a place where the camera is installed;

in a case where the environment information indicates the camera is installed in an outdoor environment, the environment information indicates an environment condition selected from a first environment condition in which the environment is a first time period during a day, and second environment condition in which the environment is a second time period during the day;

in a case where the environment information indicates the camera is installed in an indoor environment, the environment information indicates another environment condition selected from a third environment condition in which the environment includes illumination, and a fourth environment condition in which the environment does not include illumination;

the server

calculates a capturing area of the camera in the map image based on the setting information and the environment information;

places a subject model that serves as a capturing target of the camera at a prescribed position in the capturing area and generates a synthesized image by superimposing the capturing area and the subject model on the map image;

generates a face image of the subject model located at the prescribed position that is inferred to be captured by the camera based on the setting information and the environment information; and

transmits the synthesized image and the face image of the subject model to the terminal apparatus; and

the terminal apparatus displays the synthesized image and the face image of the subject model.

2. The camera setting assist system according to claim 1 , wherein:

the server generates, when a vehicle is placed at the prescribed position that is inferred to be captured by the camera, a license plate image of the vehicle based on the setting information and the environment information, and transmits the license plate image to the terminal apparatus; and

the terminal apparatus displays the license plate image.

3. The camera setting assist system according to claim 2 , wherein:

the server generates the face image and the license plate image that are captured by a camera that is selected by a manipulation performed on the terminal apparatus by the user and transmits the face image and the license plate image to the terminal apparatus; and

the terminal apparatus displays the face image and the license plate image.

4. The camera setting assist system according to claim 1 , wherein:

the server generates a synthesized image in which a color of a capturing area of a camera selected among one or more cameras by a manipulation performed on the terminal apparatus by the user is changed.

5. The camera setting assist system according to claim 1 , wherein:

the server

acquires values of a setting parameter that are set stepwise for each use of the camera based on use information of the camera that is included in the setting information; and

calculates capturing areas corresponding to the respective values of the setting parameter.

6. The camera setting assist system according to claim 5 , wherein

the setting parameter includes pixel density of the camera.

7. The camera setting assist system according to claim 5 , wherein

the setting parameter includes illuminance that is an item of the environment information.

8. The camera setting assist system according to claim 1 , wherein:

the server

compares the capturing area of the camera and the prescribed position of the subject model with the map image; and

when an entire capturing area of the camera and the subject model are located outside the map image by selection of the camera, corrects an installation direction of the camera so that the capturing area of the camera and the subject model are corrected to be located in the map image and superimposes the corrected capturing area and subject model on the map image.

9. The camera setting assist system according to claim 1 , wherein:

the server converts the setting information of the camera into setting information in comma-separated values (CSV) data form and transmits the setting information in CSV data form to the terminal apparatus; and

the terminal apparatus outputs the setting information in CSV data form of the camera.

10. The camera setting assist system according to claim 1 , wherein:

the server superimposes an icon indicating a position of the camera on the map image.

11. The camera setting assist system according to claim 1 , wherein:

in a case where the environment condition is the first environment condition, the environment information indicates another environment condition selected from a fifth environment condition in which the environment is a first weather condition, and a sixth environment condition in which the environment is a second whether condition; and

in a case where the environment condition is the second environment condition, the environment information indicates another environment condition selected from a seventh environment condition in which the environment includes a light source, and a eighth environment condition in which the environment does not include a light source.

12. The camera setting assist system according to claim 1 , wherein:

pixel density of the face image is dependent on a distance between the prescribed position and the camera, and

brightness of the face image is dependent on an illuminance of the environment in which the camera is installed.

13. The camera setting assist system according to claim 1 , wherein:

the specification information of the camera includes camera installation angle information and camera pixel density information.

14. A camera setting assist method performed by a terminal apparatus configured to receive an input manipulation of a user and a server that is communicatively connected to the terminal apparatus, the camera setting assist method comprising:

calculating a capturing area of a camera in a map image of a place where the camera is installed based on setting information including specification information of the camera based on the input manipulation of the user and environment information indicating an environment in which the camera is installed, wherein

in a case where the environment information indicates the camera is installed in an outdoor environment, the environment information indicates an environment condition selected from a first environment condition in which the environment is a first time period during a day, and second environment condition in which the environment is a second time period during the day;

in a case where the environment information indicates the camera is installed in an indoor environment, the environment information indicates another environment condition selected from a third environment condition in which the environment includes illumination, and a fourth environment condition in which the environment does not include illumination;

placing a subject model that serves as a capturing target of the camera at a prescribed position in the capturing area and generating a synthesized image by superimposing the capturing area and the subject model on the map image;

generating a face image of the subject model located at the prescribed position that is inferred to be captured by the camera based on the setting information and the environment information; and

displaying the synthesized image and the face image of the subject model.

15. The camera setting assist system according to claim 1 , wherein:

the server

generates a whole body image of the subject model located at the prescribed position that is inferred to be captured by the camera based on the setting information and the environment information; and

transmits the whole body image of the subject model to the terminal apparatus; and

the terminal apparatus displays the whole body image of the subject model.

16. A camera setting assist system comprising:

a terminal apparatus configured to receive an input manipulation of a user; and

a server that is communicatively connected to the terminal apparatus, wherein:

the terminal apparatus transmits, to the server, setting information including specification information of a camera based on the input manipulation of the user, environment information indicating an environment in which the camera is installed, and a map image of a place where the camera is installed;

the environment information indicates an environment condition selected from a first environment condition in which the environment is a first time period during a day, and second environment condition in which the environment is a second time period during the day;

in a case where the environment condition is the first environment condition, the environment information indicates another environment condition selected from a third environment condition in which the environment is a first weather condition, and a fourth environment condition in which the environment is a second whether condition;

in a case where the environment condition is the second environment condition, the environment information indicates another environment condition selected from a fifth environment condition in which the environment includes a light source, and a sixth environment condition in which the environment does not include a light source;

the server

calculates a capturing area of the camera in the map image based on the setting information and the environment information;

places a subject model that serves as a capturing target of the camera at a prescribed position in the capturing area and generates a synthesized image by superimposing the capturing area and the subject model on the map image;

generates a face image of the subject model located at the prescribed position that is inferred to be captured by the camera based on the setting information and the environment information; and

transmits the synthesized image and the face image of the subject model to the terminal apparatus; and

the terminal apparatus displays the synthesized image and the face image of the subject model.

17. A camera setting assist method performed by a terminal apparatus configured to receive an input manipulation of a user and a server that is communicatively connected to the terminal apparatus, the camera setting assist method comprising:

calculating a capturing area of a camera in a map image of a place where the camera is installed based on setting information including specification information of the camera based on the input manipulation of the user and environment information indicating an environment in which the camera is installed, wherein

the environment information indicates an environment condition selected from a first environment condition in which the environment is a first time period during a day, and second environment condition in which the environment is a second time period during the day;

in a case where the environment condition is the first environment condition, the environment information indicates another environment condition selected from a third environment condition in which the environment is a first weather condition, and a fourth environment condition in which the environment is a second whether condition; and

in a case where the environment condition is the second environment condition, the environment information indicates another environment condition selected from a fifth environment condition in which the environment includes a light source, and a sixth environment condition in which the environment does not include a light source;

placing a subject model that serves as a capturing target of the camera at a prescribed position in the capturing area and generating a synthesized image by superimposing the capturing area and the subject model on the map image;

generating a face image of the subject model located at the prescribed position that is inferred to be captured by the camera based on the setting information and the environment information; and

displaying the synthesized image and the face image of the subject model.