DISPLAY APPARATUS, IMAGE CAPTURING APPARATUS, IMAGE CAPTURING SYSTEM, CONTROL METHOD FOR DISPLAY APPARATUS, CONTROL METHOD FOR IMAGE CAPTURING APPARATUS, AND STORAGE MEDIUM

• US 20160205308A1
• Filed: 01/07/2016
• Published: 07/14/2016
• Est. Priority Date: 01/09/2015
• Status: Active Grant

• Current Assignee: Canon Kabushiki Kaisha (Canon Inc.)
• Original Assignee: Canon Kabushiki Kaisha (Canon Inc.)
• Inventors: Maeda, Muneyoshi
• Granted Patent: US 9,924,086 B2
• Time in Patent Office: Days
• US Class Current: 1/1
• CPC Class Codes: H04N 1/00129 with a display device, e.g. CRT or LCD monitor with a television apparatus H04N1/00283; arrangements for control of display devices G09G
• CPC Class Codes: H04N 23/63 by using electronic viewfinders
• CPC Class Codes: H04N 23/64 Computer-aided capture of images, e.g. transfer from script file into camera, check of taken image quality, advice or proposal for image composition or decision on when to take image
• CPC Class Codes: H04N 23/66 Remote control of cameras or camera parts, e.g. by remote control devices
• CPC Class Codes: H04N 23/667 Camera operation mode switching, e.g. between still and video, sport and normal or high- and low-resolution modes
• CPC Class Codes: H04N 23/6812 based on additional sensors, e.g. acceleration sensors
• CPC Class Codes: H04N 23/6842 by controlling the scanning position, e.g. windowing
• CPC Class Codes: H04N 23/80 Camera processing pipelines; Components thereof
• CPC Class Codes: H04N 5/2628 Alteration of picture size, shape, position or orientation, e.g. zooming, rotation, rolling, perspective, translation

Abstract

There is provided a display apparatus. A reception unit receives a captured image from an image capturing apparatus. A display unit displays the captured image. A detection unit detects an attitude of the display apparatus. A transmission unit, while the display unit is displaying the captured image, transmits attitude information to the image capturing apparatus in response to an instruction from a user. The attitude information indicates the attitude detected by the detection unit.

Claims

1. A display apparatus, comprising:

a reception unit configured to receive a captured image from an image capturing apparatus;

a display unit configured to display the captured image;

a detection unit configured to detect an attitude of the display apparatus; and

a transmission unit configured to, while the display unit is displaying the captured image, transmit attitude information to the image capturing apparatus in response to an instruction from a user, the attitude information indicating the attitude detected by the detection unit.

2. The display apparatus according to claim 1, wherein

the display unit displays, together with the captured image, auxiliary information indicating the attitude detected by the detection unit.

3. The display apparatus according to claim 2, wherein

the auxiliary information includes a horizontal auxiliary line that represents a horizontal line perpendicular to a gravitational direction in the display apparatus, the horizontal auxiliary line being relative to a rotation angle of the display apparatus around a rotation axis orthogonal to a display surface of the display unit.

4. The display apparatus according to claim 1, wherein

the attitude information includes information indicating a gravitational direction detected by the detection unit, or information related to an angle with respect to the gravitational direction around a rotation axis orthogonal to a display surface of the display unit.

5. The display apparatus according to claim 2, wherein

the auxiliary information includes two auxiliary lines that are displayed parallel to an up-down direction of the display unit when a tilt angle of the display apparatus has a reference value,

the more an upper portion of the display unit is tilted backward, the larger an interval between lower portions of the two auxiliary lines becomes compared to an interval between upper portions of the two auxiliary lines, and

the more the upper portion of the display unit is tilted forward, the smaller the interval between the lower portions of the two auxiliary lines becomes compared to the interval between the upper portions of the two auxiliary lines.

6. The display apparatus according to claim 1, wherein

the attitude information includes information indicating a gravitational direction detected by the detection unit, or information related to an angle of a display surface of the display unit with respect to the gravitational direction.

7. The display apparatus according to claim 1, wherein

the display unit displays, together with the captured image, information indicating a partial region that is cut out from the captured image when rotational correction or keystone effect correction has been applied to the captured image based on the attitude detected by the detection unit.

8. The display apparatus according to claim 1, wherein

the reception unit receives image capturing apparatus attitude information indicating an attitude of the image capturing apparatus, and

based on the image capturing apparatus attitude information, the display unit displays, together with the captured image, information indicating a horizontal direction in the image capturing apparatus.

9. The display apparatus according to claim 1, wherein

the display apparatus is a mobile terminal that can be held in a hand of the user.

10. The display apparatus according to claim 1, wherein

the transmission unit transmits the attitude information as information for applying cutout and rotation processing to the captured image.

11. The display apparatus according to claim 1, wherein

after the attitude information has been transmitted to the image capturing apparatus, the reception unit receives the captured image that has been corrected based on the attitude information, and

the display unit displays the corrected captured image.

12. An image capturing apparatus, comprising:

an image capturing unit configured to generate a captured image;

a transmission unit configured to transmit the captured image to a display apparatus;

a reception unit configured to receive attitude information indicating an attitude of the display apparatus from the display apparatus; and

a processing unit configured to apply specific processing to the captured image based on the attitude information received by the reception unit, and record the captured image.

13. The image capturing apparatus according to claim 12, wherein

the specific processing includes rotational correction or keystone effect correction for the captured image based on the attitude information.

14. The image capturing apparatus according to claim 12, wherein

the specific processing includes processing for recording the captured image in association with the attitude information.

15. The image capturing apparatus according to claim 14, further comprising

a reproduction unit configured to reproduce the captured image that has been recorded by the processing unit in association with the attitude information, wherein

when the reproduction unit reproduces the captured image, the processing unit applies rotational correction or keystone effect correction to the captured image based on the attitude information associated with the captured image.

16. The image capturing apparatus according to claim 12, wherein

the attitude information includes information indicating a gravitational direction detected by the display apparatus, or information related to an angle with respect to the gravitational direction around a rotation axis orthogonal to a display surface of a display unit of the display apparatus.

17. The image capturing apparatus according to claim 12, wherein

the attitude information includes information indicating a gravitational direction detected by the display apparatus, or information related to an angle of a display surface of a display unit of the display apparatus with respect to the gravitational direction.

18. The image capturing apparatus according to claim 12, further comprising

a storage unit configured to store information for applying the specific processing based on the attitude information received by the reception unit, wherein

based on the information stored by the storage unit, the processing unit applies the specific processing to a plurality of images captured after the attitude information has been received.

19. An image capturing system including a display apparatus and an image capturing apparatus,

the display apparatus comprising:

a reception unit configured to receive a captured image from the image capturing apparatus;

a display unit configured to display the captured image;

a detection unit configured to detect an attitude of the display apparatus; and

a transmission unit configured to, while the display unit is displaying the captured image, transmit attitude information to the image capturing apparatus in response to an instruction from a user, the attitude information indicating the attitude detected by the detection unit,

the image capturing apparatus comprising;

an image capturing unit configured to generate the captured image;

a transmission unit configured to transmit the captured image to the display apparatus;

a reception unit configured to receive the attitude information indicating the attitude of the display apparatus from the display apparatus; and

a processing unit configured to apply specific processing to the captured image based on the attitude information received by the reception unit of the image capturing apparatus, and record the captured image.

20. A control method for a display apparatus including a display unit and an attitude detection unit, the control method comprising:

receiving a captured image from an image capturing apparatus;

displaying the captured image on the display unit;

detecting an attitude of the display apparatus with the attitude detection unit; and

while displaying the captured image on the display unit, transmitting attitude information to the image capturing apparatus in response to an instruction from a user, the attitude information indicating the attitude detected by the detecting.

21. A control method for an image capturing apparatus, the control method comprising:

generating a captured image;

transmitting the captured image to a display apparatus;

receiving attitude information indicating an attitude of the display apparatus from the display apparatus; and

applying specific processing to the captured image based on the attitude information received by the receiving, and recording the captured image.

22. A display apparatus, comprising:

a reception unit configured to receive a captured image from an image capturing apparatus;

a display unit configured to display the captured image;

a detection unit configured to detect an attitude of the display apparatus;

a storage unit configured to, while the display unit is displaying the captured image, store attitude information in response to an instruction from a user, the attitude information indicating the attitude detected by the detection unit; and

a processing unit configured to apply specific processing to the captured image received from the image capturing apparatus based on the attitude information stored by the storage unit, and record the captured image.

23. A control method for a display apparatus, the control method comprising:

receiving a captured image from an image capturing apparatus;

displaying the captured image on a display unit of the display apparatus;

detecting an attitude of the display apparatus;

while displaying the captured image on the display unit, storing attitude information in response to an instruction from a user, the attitude information indicating the attitude detected by the detecting; and

applying specific processing to the captured image received from the image capturing apparatus based on the stored attitude information, and recording the captured image.

24. A non-transitory computer-readable storage medium which stores a program for causing a computer to function as a display apparatus comprising:

a reception unit configured to receive a captured image from an image capturing apparatus;

a display unit configured to display the captured image;

a detection unit configured to detect an attitude of the display apparatus; and

a transmission unit configured to, while the display unit is displaying the captured image, transmit attitude information to the image capturing apparatus in response to an instruction from a user, the attitude information indicating the attitude detected by the detection unit.

25. A non-transitory computer-readable storage medium which stores a program for causing a computer to function as an image capturing apparatus, comprising:

an image capturing unit configured to generate a captured image;

a transmission unit configured to transmit the captured image to a display apparatus;

a reception unit configured to receive attitude information indicating an attitude of the display apparatus from the display apparatus; and

a processing unit configured to apply specific processing to the captured image based on the attitude information received by the reception unit, and record the captured image.

26. A non-transitory computer-readable storage medium which stores a program for causing a computer to function as a display apparatus comprising:

a reception unit configured to receive a captured image from an image capturing apparatus;

a display unit configured to display the captured image;

a detection unit configured to detect an attitude of the display apparatus;

a storage unit configured to, while the display unit is displaying the captured image, store attitude information in response to an instruction from a user, the attitude information indicating the attitude detected by the detection unit; and

a processing unit configured to apply specific processing to the captured image received from the image capturing apparatus based on the attitude information stored by the storage unit, and record the captured image.