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US 9,007,470 B2Granted
Apparatus having image shake correction function and method of controlling the same
AssigneeCanon Kabushiki Kaisha
InventorSuguru Tsukamoto
Life of this patent
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Abstract
An apparatus and a method of controlling the apparatus are provided that can realize high-accuracy correction of image shake due to shift shake. Rotation radiuses at a plurality of frequencies among the frequency components of the shift shake are obtained. Correction amount is determined based on a result of assigning a respective weight to the rotation radius at each of the plurality of the frequencies based on information regarding at least one of an angular velocity and acceleration.
Claims24
An apparatus comprising:
- an angular velocity detecting unit configured to detect an angular velocity of the apparatus;
- an acceleration detecting unit configured to detect acceleration of the apparatus;
- a determining unit configured to determine a correction amount to correct an image shake;
- and
- a correcting unit configured to correct the image shake based on the correction amount,
- wherein the determining unit is configured to obtain an output from the angular velocity detecting unit and an output from the acceleration detecting unit at a plurality of different frequencies, and determine the correction amount based on information for a plurality of rotation radius of the image shake, which the rotation radius respectively differs in each of the frequencies, and the output from the angular velocity detecting unit and the output from the acceleration detecting unit.
3 more elements
A method of controlling an apparatus comprising:
- detecting an angular velocity of the apparatus by an angular velocity detecting unit;
- detecting an acceleration of the apparatus by an acceleration detecting unit;
- determining a correction amount to correct an image shake;
- correcting the image shake based on the correction amount;
- wherein the correction amount is determined based on information for a plurality of rotation radius of the image shake, which the rotation radius respectively differs in each of the frequencies, and an output from the angular velocity detecting unit and an output from the acceleration detecting unit.
2 more elements
An image shake correction apparatus used for an optical apparatus, the image shake correction apparatus comprising:
- a determining unit configured to determine a correction amount to correct an image shake;
- and
- a correcting unit configured to correct the image shake based on the correction amount,
- wherein the determining unit is configured to obtain an output from an angular velocity detecting unit and an output from an acceleration detecting unit at a plurality of different frequencies, and determine the correction amount based on information for a plurality of rotation radius of the image shake, which the rotation radius respectively differs in each of the frequencies, and the output from the angular velocity detecting unit and the output from the acceleration detecting unit.
1 more element
An apparatus comprising:
- an angular velocity detecting unit configured to detect an angular velocity of the apparatus;
- an acceleration detecting unit configured to detect acceleration of the apparatus;
- a determining unit configured to determine a correction amount to correct an image shake;
- and
- a correcting unit configured to correct the image shake based on the correction amount,
- wherein the determining unit is configured to obtain an output from the angular velocity detecting unit and an output from the acceleration detecting unit at a plurality of different frequencies, and determine the correction amount based on a result of assigning a respective weight to rotation radius at each of the plurality of the frequencies, and the output from the angular velocity detecting unit and the output from the acceleration detecting unit.
3 more elements
A method of controlling an apparatus comprising:
- detecting an angular velocity of the apparatus by an angular velocity detecting unit;
- detecting an acceleration of the apparatus by an acceleration detecting unit;
- determining a correction amount to correct an image shake;
- correcting the image shake based on the correction amount;
- wherein the correction amount is determined based on a result of assigning a respective weight to rotation radius at each of the plurality of the frequencies, and an output from the angular velocity detecting unit and an output from the acceleration detecting unit.
2 more elements
An image shake correction apparatus used for an optical apparatus, the image shake correction apparatus comprising:
- a determining unit configured to determine a correction amount to correct an image shake;
- and
- a correcting unit configured to correct the image shake based on the correction amount,
- wherein the determining unit is configured to obtain an output from an angular velocity detecting unit and an output from an acceleration detecting unit at a plurality of different frequencies, and determine the correction amount based on a result of assigning a respective weight to rotation radius at each of the plurality of the frequencies, and the output from the angular velocity detecting unit and the output from the acceleration detecting unit.
1 more element
Dependencies are inferred from the claim text.