Information processing apparatus, information processing method, and non-transitory computer-readable storage medium
An information processing apparatus configured to control an image capturing apparatus including a driving unit for driving in a pan or a tilt direction, comprises a unit configured to update a threshold value in a direction opposite to a change direction within a range when a driving speed of the driving unit is changed across the threshold value within the range, and a unit configured to change the driving speed to a value equal to or greater than an upper limit value of the range when a speed of a tracking target of the image capturing apparatus is equal to or greater than the threshold value within the range, and change the driving speed to a value equal to or less than a lower limit value of the range when the speed of the tracking target is less than the threshold value within the range.
1 . An information processing apparatus configured to control an image capturing apparatus including a driving unit for driving in a pan direction or a tilt direction, the information processing apparatus comprising:
an update unit configured to update a threshold value in a direction opposite to a change direction within a predefined speed range when a driving speed of the driving unit is changed across the threshold value within the predefined speed range; and
a change unit configured to change the driving speed to a value equal to or greater than an upper limit value of the predefined speed range when a speed of a tracking target of the image capturing apparatus is equal to or greater than the threshold value within the predefined speed range, and change the driving speed to a value equal to or less than a lower limit value of the predefined speed range when the speed of the tracking target is less than the threshold value within the predefined speed range.
2 . The information processing apparatus according to claim 1 , wherein
the update unit determines whether the driving speed of the driving unit is changed across the threshold value within the predefined speed range, based on a history of the driving speed of the driving unit.
3 . The information processing apparatus according to claim 1 , further comprising:
a unit configured to acquire a tracking setting including a size and a position for capturing the tracking target within a field angle of the image capturing apparatus.
4 . The information processing apparatus according to claim 3 , further comprising:
a calculation unit configured to obtain the driving speed of the driving unit according to the tracking setting.
5 . The information processing apparatus according to claim 1 , wherein
the update unit sets the threshold value to a value greater than the center of the predefined speed range when the driving speed is increased from a speed outside the predefined speed range to a speed within the predefined speed range.
6 . The information processing apparatus according to claim 1 , wherein
the update unit does not update the threshold value when the driving speed is increased from a speed within the predefined speed range to a speed within the predefined speed range without crossing the threshold value.
7 . The information processing apparatus according to claim 1 , wherein
the update unit does not update the threshold value when the driving speed is reduced from a speed within the predefined speed range to a speed within the predefined speed range without crossing the threshold value.
8 . The information processing apparatus according to claim 1 , wherein
the update unit re-sets the threshold value to a value less than the center of the predefined speed range when the driving speed is increased from a speed within the predefined speed range to a speed within the predefined speed range while crossing the threshold value.
9 . The information processing apparatus according to claim 1 , wherein
the update unit sets the threshold value to a value less than the center of the predefined speed range when the driving speed is reduced from a speed outside the predefined speed range to a speed within the predefined speed range.
10 . The information processing apparatus according to claim 1 , wherein
the update unit re-sets the threshold value to a value greater than the center of the predefined speed range when the driving speed is reduced from a speed within the predefined speed range to a speed within the predefined speed range while crossing the threshold value.
11 . The information processing apparatus according to claim 1 , further comprising:
a unit configured to acquire a predefined speed range, based on information acquired from the image capturing apparatus.
12 . The information processing apparatus according to claim 1 , further comprising:
a unit configured to control a width of the predefined speed range, based on information indicating rapidity for capturing the tracking target within a composition.
13 . The information processing apparatus according to claim 1 , further comprising:
a unit configured to control a width of the predefined speed range, based on a position set as a position within a field angle for capturing the tracking target.
14 . The information processing apparatus according to claim 1 , wherein
the change unit does not change the driving speed until the number of times when a magnitude relationship between the speed of the tracking target and the threshold value is successively changed within the predefined speed range reaches a predefined number, and permits a change of the driving speed when the number reaches the predefined number.
15 . The information processing apparatus according to claim 1 , wherein
the predefined speed range is a range of the driving speed of the driving unit where vibration and noise are generated due to resonance.
16 . An information processing method performed by an information processing apparatus configured to control an image capturing apparatus including a driving unit for driving in a pan direction or a tilt direction, the information processing method comprising:
updating a threshold value in a direction opposite to a change direction within a predefined speed range when a driving speed of the driving unit is changed across the threshold value within the predefined speed range; and
changing the driving speed to a value equal to or greater than an upper limit value of the predefined speed range when a speed of a tracking target of the image capturing apparatus is equal to or greater than the threshold value within the predefined speed range and changing the driving speed to a value equal to or less than a lower limit value of the predefined speed range when the speed of the tracking target is less than the threshold value within the predefined speed range.
17 . A non-transitory computer-readable storage medium storing therein a computer program for causing a computer to function as:
a update unit configured to update a threshold value in a direction opposite to a change direction within a predefined speed range when a driving speed of a driving unit is changed across the threshold value within the predefined speed range, the driving unit being provided to an image capturing apparatus and driving in a pan direction or a tilt direction; and
a change unit configured to change the driving speed to a value equal to or greater than an upper limit value of the predefined speed range when a speed of a tracking target of the image capturing apparatus is equal to or greater than the threshold value within the predefined speed range and change the driving speed to a value equal to or less than a lower limit value of the predefined speed range when the speed of the tracking target is less than the threshold value within the predefined speed range.