Image capturing apparatus capable of detecting geomagnetism, control method, and storage medium
AssigneeCanon Kabushiki Kaisha
InventorTakashi Matsui
Life of this patent
Estimating the term…
Abstract
An image capturing apparatus comprising: an image capturing unit configured to capture an image of a subject and output an image signal; a control unit configured to control a current supplied to the image capturing unit; and an azimuth direction acquisition unit configured to detect geomagnetism, and acquire azimuth direction information indicating a direction in which the image capturing apparatus is oriented, based on the detected geomagnetism, wherein the azimuth direction acquisition unit detects the geomagnetism while a current is supplied to the image capturing unit, and acquires azimuth direction information in which an influence on the detected geomagnetism, the influence being caused by the supplied current, has been corrected.
Claims20
An image capturing apparatus comprising:
- an image capturing unit configured to capture an image of a subject and output an image signal;
- a control unit configured to control a current supplied to the image capturing unit;
- and
- an azimuth direction acquisition unit configured to detect geomagnetism, and acquire azimuth direction information indicating a direction in which the image capturing apparatus is oriented, based on the detected geomagnetism,
- wherein the azimuth direction acquisition unit detects the geomagnetism while a current is supplied to the image capturing unit, and acquires azimuth direction information in which an influence on the detected geomagnetism, the influence being caused by the supplied current, has been corrected.
An image capturing apparatus comprising:
- an image capturing unit configured to capture an image of a subject and output an image signal;
- a control unit configured to control output of the image signal of the image capturing unit;
- and
- an azimuth direction acquisition unit configured to detect geomagnetism, and acquire azimuth direction information indicating a direction in which the image capturing apparatus is oriented, based on the detected geomagnetism,
- wherein the azimuth direction acquisition unit detects the geomagnetism during an operation of the image capturing unit, the operation being related to the output of the image signal, and acquires azimuth direction information in which an influence on the detected geomagnetism, the influence being caused by a current supplied for the output of the image signal, has been corrected.
A method for controlling an image capturing apparatus having an image capturing unit, the method comprising:
- an output step of outputting an image signal of a subject whose image has been captured by the image capturing unit;
- a control step of controlling a current supplied to the image capturing unit;
- and
- an azimuth direction acquisition step of detecting geomagnetism, and acquiring azimuth direction information indicating a direction in which the image capturing apparatus is oriented, based on the detected geomagnetism,
- wherein in the azimuth direction acquisition step, the geomagnetism is detected while a current is supplied to the image capturing unit, and azimuth direction information in which an influence on the detected geomagnetism, the influence being caused by the supplied current, has been corrected is acquired.
A method for controlling an image capturing apparatus having an image capturing unit, the method comprising:
- an output step of outputting an image signal of a subject whose image has been captured by the image capturing unit;
- a control step of controlling the output of the image signal in the output step;
- and
- an azimuth direction acquisition step of detecting geomagnetism, and acquiring azimuth direction information indicating a direction in which the image capturing apparatus is oriented, based on the detected geomagnetism,
- wherein in the azimuth direction acquisition step, the geomagnetism is detected during an operation of the image capturing unit, the operation being related to the output of the image signal, and azimuth direction information in which an influence on the detected geomagnetism, the influence being caused by a current supplied for the output of the image signal, has been corrected is acquired.
A computer-readable storage medium recording a program for causing a computer, which comprises an image capturing unit configured to capture an image of a subject and output an image signal, to function as the following unit:
- a control unit configured to control a current supplied to the image capturing unit;
- and
- an azimuth direction acquisition unit configured to detect geomagnetism, and acquire azimuth direction information indicating a direction in which the image capturing apparatus is oriented, based on the detected geomagnetism,
- wherein the azimuth direction acquisition unit detects the geomagnetism while a current is supplied to the image capturing unit, and acquires azimuth direction information in which an influence on the detected geomagnetism, the influence being caused by the supplied current, has been corrected.
A computer-readable storage medium recording a program for causing a computer, which comprises an image capturing unit configured to capture an image of a subject and output an image signal, to function as the following unit:
- a control unit configured to control output of the image signal of the image capturing unit;
- and
- an azimuth direction acquisition unit configured to detect geomagnetism, and acquire azimuth direction information indicating a direction in which the image capturing apparatus is oriented, based on the detected geomagnetism,
- wherein the azimuth direction acquisition unit detects the geomagnetism during an operation of the image capturing unit, the operation being related to the output of the image signal, and acquires azimuth direction information in which an influence on the detected geomagnetism, the influence being caused by a current supplied for the output of the image signal, has been corrected.
Dependencies are inferred from the claim text.