Image processing apparatus, image capturing apparatus, lens apparatus, image processing method, and non-transitory computer-readable storage medium
AssigneeCanon Kabushiki Kaisha
InventorsYoshiaki Ida, Shigenobu Sugita
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Abstract
An image processing apparatus (104) includes an acquirer (104b) configured to acquire information related to a lateral chromatic aberration, and a corrector (104c) configured to correct an image to reduce the lateral chromatic aberration based on the information related to the lateral chromatic aberration, the information related to the lateral chromatic aberration includes a first component related to a design value, and a second component related to a manufacturing error, each of the first component and the second component is a rotationally symmetric component.
Claims24
An image processing apparatus comprising:
- an acquirer configured to acquire information related to a lateral chromatic aberration;
- and
- a corrector configured to correct an image to reduce the lateral chromatic aberration based on the information related to the lateral chromatic aberration,
- wherein the information related to the lateral chromatic aberration includes a first component related to a design value, a second component related to a manufacturing error,
- wherein each of the first component and the second component is a rotationally symmetric component.
An image capturing apparatus comprising:
- an image sensor configured to photoelectrically convert an optical image formed via an image capturing optical system to output image data;
- an acquirer configured to acquire information related to a lateral chromatic aberration;
- and
- a corrector configured to correct an image corresponding to the image data to reduce the lateral chromatic aberration based on the information related to the lateral chromatic aberration,
- wherein the information related to the lateral chromatic aberration includes a first component related to a design value, a second component related to a manufacturing error,
- wherein each of the first component and the second component is a rotationally symmetric component.
A lens apparatus removably attached to an image capturing apparatus capable of correcting an image to reduce a lateral chromatic aberration based on information related to the lateral chromatic aberration, the lens apparatus comprising:
- an image capturing optical system;
- and
- a memory configured to store the information related to the lateral chromatic aberration,
- wherein the information related to the lateral chromatic aberration includes a first component related to a design value, a second component related to a manufacturing error,
- wherein each of the first component and the second component is a rotationally symmetric component.
An image processing method comprising the steps of:
- acquiring information related to a lateral chromatic aberration;
- and
- correcting an image to reduce the lateral chromatic aberration based on the information related to the lateral chromatic aberration,
- wherein the information related to the lateral chromatic aberration includes a first component related to a design value, a second component related to a manufacturing error,
- wherein each of the first component and the second component is a rotationally symmetric component.
A non-transitory computer-readable storage medium which stores a program causing a computer to execute a process comprising the steps of:
- acquiring information related to a lateral chromatic aberration;
- and
- correcting an image to reduce the lateral chromatic aberration based on the information related to the lateral chromatic aberration,
- wherein the information related to the lateral chromatic aberration includes a first component related to a design value, a second component related to a manufacturing error,
- wherein each of the first component and the second component is a rotationally symmetric component.
Dependencies are inferred from the claim text.