Image processing apparatus, imaging apparatus, and method for controlling image processing apparatus
An accelerated processing unit (APU) serving as an image processing apparatus includes an acquisition unit configured to acquire a first image captured through first imaging and a second image captured through second imaging performed subsequent to the first imaging; a first determination unit configured to determine an image used for calculating a motion vector from the first image and/or the second image in accordance with a result of photometry based on the first image; and a calculation unit configured to calculate the motion vector on the basis of the determined image.
1. An image processing apparatus comprising:
a memory; and
at least one processor configured to execute units, in accordance with a program stored in the memory:
an acquisition unit configured to acquire a first image captured through first imaging and a second image captured through second imaging performed subsequent to the first imaging,
a first determination unit configured to determine an image used for calculating a motion vector from the first image and/or the second image in accordance with a result of photometry based on the first image,
a calculation unit configured to calculate the motion vector on the basis of the determined image, and
a second determination unit configured to determine whether a reading method of an image signal in capturing of the acquisition unit is performed using any of a first reading method and a second reading method having a shorter read time than the first reading method in accordance with a result of photometry based on the first image.
2. The image processing apparatus according to claim 1 , wherein the first determination unit determines the first image and the second image as the image used for calculating the motion vector when the result of photometry is equal to or larger than that of a predetermined value.
3. The image processing apparatus according to claim 1 , wherein the first determination unit determines the second image as the image used for calculating the motion vector when the result of photometry is that of less than the predetermined value.
4. The image processing apparatus according to claim 1 , wherein the second determination unit determines the first reading method as the reading method of the image signal when the result of photometry is equal to or larger than that of the predetermined value and determines the second reading method as the reading method of the image signal when the result of photometry is less than that of the predetermined value.
5. The image processing apparatus according to claim 1 , wherein the first reading method is an all pixel reading method and the second reading method is an addition reading method.
6. The image processing apparatus according to claim 1 , further comprising:
a setting unit configured to set whether to perform the first imaging and the second imaging in either of a resolution priority mode and a sampling rate priority mode.
7. The image processing apparatus according to claim 6 , wherein the setting unit changes the setting to the resolution priority mode when the motion vector is unable to be detected in the sampling rate priority mode and changes the setting to the sampling rate priority mode when the motion vector is unable to be detected in the resolution priority mode.
8. The image processing apparatus according to claim 6 , wherein the acquisition unit reads an image signal using the addition reading method when the motion vector is unable to be detected in the sampling rate priority mode.
9. An image processing apparatus comprising:
a memory;
at least one processor configured to execute, in accordance with a program stored in the memory:
an acquisition unit configured to acquire a first image captured through first imaging and a second image captured through second imaging performed subsequent to the first imaging,
a determination unit configured to determine an image used for calculating a motion vector from the first image and/or the second image, and
a calculation unit configured to calculate the motion vector on the basis of the determined image, and
the acquisition unit reads an image signal in any of a first reading method and a second reading method having a shorter read time than the first reading method in the first imaging or the second imaging, and
the determination unit determines an image used for calculating the motion vector in accordance with the reading method.
10. The image processing apparatus according to claim 9 , wherein the reading method is determined in accordance with a result of photometry based on the first image.
11. The image processing apparatus according to claim 9 , wherein the determination unit determines the second image as an image used for calculating the motion vector when an accumulation time in the first imaging is equal to longer than a predetermined time.
12. An imaging apparatus comprising:
a memory; and
at least one processor configured to execute, in accordance with a program stored in the memory,
an acquisition unit configured to acquire a first image captured through first imaging and a second image captured through second imaging performed subsequent to the first imaging,
a first determination unit configured to determine an image used for calculating a motion vector from the first image and/or the second image in accordance with a result of photometry based on the first image,
a calculation unit configured to calculate the motion vector on the basis of the determined image, and
an imaging unit configured to capture the first image and the second image, and
a second determination unit configured to determine whether a reading method of an image signal in capturing of the acquisition unit is performed using any of a first reading method and a second reading method having a shorter read time than the first reading method in accordance with a result of photometry based on the first image.
13. An imaging apparatus comprising:
a memory; and
at least one processor configured to execute, in accordance with a program stored in the memory,
an acquisition unit configured to acquire a first image captured through first imaging and a second image captured through second imaging performed subsequent to the first imaging,
a determination unit configured to determine an image used for calculating a motion vector from the first image and/or the second image,
a calculation unit configured to calculate the motion vector on the basis of the determined image, and
an imaging unit configured to capture the first image and the second image
wherein the acquisition unit reads an image signal in any of a first reading method and a second reading method having a shorter read time than the first reading method in the first imaging or the second imaging, and
the determination unit determines an image used for calculating the motion vector in accordance with the reading method.
14. A method for controlling an image processing apparatus comprising:
acquiring a first image captured through first imaging and a second image captured through second imaging performed subsequent to the first imaging;
determining an image used for calculating a motion vector from the first image and/or the second image in accordance with a result of photometry based on the first image; and
calculating the motion vector on the basis of the determined image, and
determining whether a reading method of an image signal in capturing of the acquisition unit is performed using any of a first reading method and a second reading method having a shorter read time than the first reading method in accordance with a result of photometry based on the first image.