Information processing apparatus, information processing method, and program
An information processing apparatus includes an acquisition unit that acquires a free viewpoint video based on at least one image among a plurality of images obtained by imaging an imaging region by a plurality of imaging apparatuses, and a reference video, the free viewpoint video indicating the imaging region in a case in which the imaging region is observed from a specific viewpoint position and a specific visual line direction, and an execution unit that executes a specific process in a case in which a difference degree between the free viewpoint video acquired by the acquisition unit and the reference video acquired by the acquisition unit is equal to or more than a first threshold value.
1 . An information processing apparatus comprising:
a processor; and
a memory built in or connected to the processor,
wherein the processor is configured to:
acquire a free viewpoint video based on at least one image among a plurality of images obtained by imaging an imaging region by a plurality of imaging apparatuses, and a reference video, the free viewpoint video indicating the imaging region in a case in which the imaging region is observed from a specific viewpoint position and a specific visual line direction, and
execute a specific process in a case in which a degree of similarity between the acquired free viewpoint video and the acquired reference video is less than a first threshold value,
the specific process being a process that contributes to setting the degree of similarity to be equal to or more than the first threshold value.
2 . The information processing apparatus according to claim 1 ,
wherein the specific process is a process including a notification process of giving notification based on the degree of similarity being less than the first threshold value.
3 . The information processing apparatus according to claim 2 ,
wherein the notification process is a process of giving at least one of visible notification, audible notification, or tactile notification based on the degree of similarity being less than the first threshold value.
4 . The information processing apparatus according to claim 1 ,
wherein the specific process is a process including a process of limiting a range in which the viewpoint position is able to be indicated to a viewpoint position range determined as a range in which the degree of similarity is set to be equal to or more than the first threshold value, and limiting a range in which the visual line direction is able to be indicated to a visual line direction range determined as a range in which the degree of similarity is set to be equal to or more than the first threshold value.
5 . The information processing apparatus according to claim 1 ,
wherein the specific process is a process including a change process of performing, on the free viewpoint video change for setting the difference degree to be less than the first threshold value.
6 . The information processing apparatus according to claim 5 ,
wherein the change process is a process of changing the free viewpoint video by changing at least one of the viewpoint position or the visual line direction.
7 . The information processing apparatus according to claim 1 ,
wherein the processor is configured to execute the specific process depending on a change in the free viewpoint video.
8 . The information processing apparatus according to claim 7 ,
wherein the processor selectively sets a following mode in which the processor executes the specific process while following the change in the free viewpoint video, and a non-following mode in which the processor does not execute the specific process while following the change in the free viewpoint video.
9 . The information processing apparatus according to claim 8 ,
wherein the processor is configured to set the following mode in a case in which a change amount of the degree of similarity is less than a second threshold value, and sets the non-following mode in a case in which the change amount is equal to or more than the second threshold value.
10 . The information processing apparatus according to claim 8 ,
wherein the processor is configured to set the following mode in a case in which a frequency at which the degree of similarity changes is less than a third threshold value, and sets the non-following mode in a case in which the frequency is equal to or more than the third threshold value.
11 . The information processing apparatus according to claim 1 ,
wherein the processor is configured to further display the free viewpoint video on a first display device.
12 . The information processing apparatus according to claim 11 , wherein:
the first display device includes a detector that detects a posture of the first display device, and
the processor is configured to execute the specific process in a case in which the posture detected by the detector is a predetermined posture, and does not execute the specific process in a case in which the posture detected by the detector is a posture different from the predetermined posture.
13 . The information processing apparatus according to claim 11 ,
wherein the processor is configured to display the reference video on a second display device different from the first display device.
14 . The information processing apparatus according to claim 1 ,
wherein the processor is configured to execute change in the first threshold value according to instruction information for giving an instruction for changing the first threshold value received by a reception device in a case in which the instruction information is received by the reception device.
15 . The information processing apparatus according to claim 1 ,
wherein the free viewpoint video is a virtual viewpoint video.
16 . The information processing apparatus according to claim 1 ,
wherein the reference video is a live broadcast video.
17 . The information processing apparatus according to claim 1 ,
wherein the reference video is an image obtained by imaging the imaging region by a reference imaging apparatus.
18 . The information processing apparatus according to claim 1 ,
wherein the viewpoint position and the visual line direction are a viewpoint position and a visual line direction as indicated from an outside.
19 . An information processing method comprising:
acquiring a free viewpoint video based on at least one image among a plurality of images obtained by imaging an imaging region by a plurality of imaging apparatuses, and a reference video, the free viewpoint video indicating the imaging region in a case in which the imaging region is observed from a specific viewpoint position and a specific visual line direction; and
executing a specific process in a case in which a degree of similarity between the acquired free viewpoint video and the acquired reference video is less than a first threshold value,
wherein the specific process is a process that contributes to setting the degree of similarity to be equal to or more than the first threshold value.
20 . A non-transitory computer-readable storage medium storing a program for causing a computer to execute a process comprising:
acquiring a free viewpoint video based on at least one image among a plurality of images obtained by imaging an imaging region by a plurality of imaging apparatuses, and a reference video, the free viewpoint video indicating the imaging region in a case in which the imaging region is observed from a specific viewpoint position and a specific visual line direction; and
executing a specific process in a case in which a degree of similarity between the acquired free viewpoint video and the acquired reference video is less than a first threshold value,
wherein the specific process is a process that contributes to setting the degree of similarity to be equal to or more than the first threshold value.