Information processing system, information processing method, and program

1. An information processing system comprising:

circuitry configured to

acquire a recognition result of an inclination of a finger with respect to an object when the finger is recognized to be touching a surface of the object; and

change a value of a parameter related to a process to be executed on a basis of the recognition result,

wherein the inclination of the finger with respect to the object includes an angle at which the finger is inclined in a vertical direction with respect to the surface of the object, and

wherein the circuitry is further configured to change a value of a first parameter on a basis of a recognition result of the angle at which the finger is inclined in the vertical direction to a horizontal surface of the object and change a value of a second parameter different from the first parameter on a basis of a recognition result of an angle at which the finger is inclined in a horizontal direction to a reference plane perpendicular to the horizontal surface of the object.

2. The information processing system according to claim 1 , wherein the process is a process related to display of an image.

3. The information processing system according to claim 1 , wherein the circuitry is further configured to change a value of a parameter associated with the object on the basis of the recognition result.

4. The information processing system according to claim 1 , wherein the circuitry is further configured to change a value of a parameter associated with the finger on the basis of the recognition result.

5. The information processing system according to claim 1 , wherein the circuitry is further configured to change a value of a parameter related to an object associated with the object or the finger on the basis of the recognition result.

6. The information processing system according to claim 1 , wherein when one or more fingers are recognized to be touching the object, the circuitry is further configured to change a value of a parameter associated with a second finger of any of the one or more fingers, on a basis of a recognition result of an inclination of a first finger of any of the one or more fingers with respect to the object.

7. The information processing system according to claim 1 , wherein the circuitry is further configured to change the value of the parameter at a rate of change according to a number of fingers recognized as fingers touching the object.

8. The information processing system according to claim 1 , wherein the circuitry is further configured to

acquire a recognition result of an operation of repeatedly changing an inclination of the finger in a vertical direction with respect to the object, and

change the value of the parameter on a basis of the recognition result of the operation.

9. The information processing system according to claim 8 , wherein whether or not the operation is ended is determined on a basis of a predetermined condition.

10. The information processing system according to claim 9 , wherein the predetermined condition includes a condition that the finger is moved from an inside of a predetermined region to an outside of the predetermined region.

11. The information processing system according to claim 9 , wherein the predetermined condition includes a condition that a predetermined gesture of the finger is recognized.

12. The information processing system according to claim 1 , wherein the circuitry is further configured to

cause a display unit to display information indicating the recognition result at a display position according to a position of the finger.

13. The information processing system according to claim 1 , wherein the circuitry is further configured to

cause a display unit to display information indicating a type of the parameter at a display position according to a position of the finger.

14. The information processing system according to claim 1 , wherein the parameter is a parameter related to a photographing direction of a camera tool or an irradiation direction of a lighting tool, and

the circuitry is further configured to

cause a display unit to display an image according to the photographing direction of the camera tool or the irradiation direction of the lighting tool.

15. The information processing system according to claim 1 , wherein the parameter is a parameter related to a shape of an object displayed on a display unit.

16. The information processing system according to claim 1 , wherein the circuitry is further configured to change the value of the parameter at a rate of change according to a number of users recognized as users touching the object.

17. The information processing system according to claim 1 , wherein the circuitry is further configured to change the value of the parameter at a rate of change according to a thickness of the finger recognized to be touching the surface of the object.

18. The information processing system according to claim 1 , wherein when a plurality of fingers are recognized to be touching the object, the circuitry is further configured to change a value of one parameter on a basis of a recognition result of an angle at which one finger of the plurality of fingers is inclined in the vertical direction with respect to the surface of the object and change a value of another parameter different from the one parameter on a basis of a recognition result of an angle at which another finger of the plurality of fingers is inclined in the vertical direction with respect to the surface of the object, the another finger being different than the one finger.

19. An information processing method comprising:

acquiring a recognition result of an inclination of a finger with respect to an object when the finger is recognized to be touching a surface of the object;

changing, by a processor, a value of a parameter related to a process to be executed on a basis of the recognition result;

changing, by the processor and when a plurality of fingers are recognized to be touching the object, a value of one parameter on a basis of a recognition result of an angle at which one finger of the plurality of fingers is inclined in a vertical direction with respect to the surface of the object; and

changing, by the processor, a value of a first parameter on a basis of a recognition result of the angle at which the finger is inclined in the vertical direction to a horizontal surface of the object and change a value of a second parameter different from the first parameter on a basis of a recognition result of an angle at which the finger is inclined in a horizontal direction to a reference plane perpendicular to the horizontal surface of the object,

wherein the inclination of the finger with respect to the object includes an angle at which the finger is inclined in the vertical direction with respect to the surface the object.

20. A non-transitory computer-readable medium having embodied thereon a program, which when executed by a computer causes the computer to execute a method, the method comprising:

acquiring a recognition result of an inclination of a finger with respect to an object when the finger is recognized to be touching a surface of the object;

changing a value of a parameter related to a process to be executed on a basis of the recognition result;

changing, when a plurality of fingers are recognized to be touching the object, a value of one parameter on a basis of a recognition result of an angle at which one finger of the plurality of fingers is inclined in a vertical direction with respect to the surface of the object; and

changing a value of a first parameter on a basis of a recognition result of the angle at which the finger is inclined in the vertical direction to a horizontal surface of the object and change a value of a second parameter different from the first parameter on a basis of a recognition result of an angle at which the finger is inclined in a horizontal direction to a reference plane perpendicular to the horizontal surface of the object,

wherein the inclination of the finger with respect to the object includes an angle at which the finger is inclined in the vertical direction with respect to the surface the object.