DIGITAL PHOTOGRAPHING APPARATUS, METHOD OF CONTROLLING THE SAME, AND COMPUTER-READABLE STORAGE MEDIUM

• US 20110279649A1
• Filed: 02/09/2011
• Published: 11/17/2011
• Est. Priority Date: 05/12/2010
• Status: Active Grant

• Current Assignee: Samsung Electronics Co. Ltd.
• Original Assignee: Samsung Electronics Co. Ltd.
• Inventors: Jang, Soon-geun, Choi, Myung-kyu
• Granted Patent: US 9,143,684 B2
• Time in Patent Office: Days
• US Class Current: 348/46
• CPC Class Codes: H04N 13/20 Image signal generators
• CPC Class Codes: H04N 13/239 using two 2D image sensors having a relative position equal to or related to the interocular distance H04N13/243 takes precedence
• CPC Class Codes: H04N 23/40 Circuit details for pick-up tubes
• CPC Class Codes: H04N 23/68 for stable pick-up of the scene, e.g. compensating for camera body vibrations
• CPC Class Codes: H04N 23/684 performed by controlling the image sensor readout, e.g. by controlling the integration time

Abstract

An apparatus, computer readable medium, and a method of controlling a digital photographing apparatus comprising a plurality of optical systems, the method including deriving shake information from the plurality of optical systems; and determining a base optical system from among the plurality of optical systems according to the shake information.

Claims

1. A method of controlling a digital photographing apparatus comprising a plurality of optical systems, the method comprising:

deriving shake information from the plurality of optical systems; and

determining a base optical system from among the plurality of optical systems according to the shake information.

2. The method of claim 1, wherein the step of determining a base optical system further comprises determining that an optical system least shaken from among the plurality of optical systems is the base optical system.

3. The method of claim 1, wherein the step of deriving shake information further comprises detecting a grip position, and the step of determining a base optical system further comprises determining that an optical system closest to the grip position is the base optical system.

4. The method of claim 3, wherein the steps of deriving shake information and the step of determining a base optical system are performed before capturing an image.

5. The method of claim 1, wherein the step of deriving shake information further comprises calculating point spread functions (PSFs) from a plurality of images captured via the plurality of optical systems, and the step of determining a base optical system further comprises determining a base optical system from among the plurality of optical systems according to the shake information based on the calculated PSFs.

6. The method of claim 1, further comprising:

detecting a user'"'"'s input for selecting a base optical system determination type,

wherein if the user'"'"'s input indicates a prior determination type, the steps of deriving the shake information and determining the base optical system are performed before capturing an image, and the step of deriving of the shake information further comprises detecting the grip position, and the step of determining of the base optical system further comprises determining that an optical system closest to the grip position is the base optical system, and

wherein if the user'"'"'s input indicates a post determination type, the steps of deriving of the shake information and the determining of the base optical system are performed after capturing an image, and the step of deriving of the shaking information further comprises calculating PSFs from the plurality of images captured via the plurality of optical systems, and the step of determining of the base optical system further comprises determining that an optical system least shaken from among the plurality of optical systems is the base optical system based on the calculated PSFs.

7. The method of claim 1, wherein the method of controlling the digital photographing apparatus further comprises:

if a plurality of images comprises at least one short-time exposed image and at least one long-time exposed image and if the derived shake information indicates the digital photographing apparatus is affected by hand-shake,

controlling capturing of at least one short-time exposed image in the base optical system.

8. The method of claim 1, wherein the method of controlling the digital photographing apparatus further comprises:

if a plurality of images comprises at least one short-time exposed image and at least one long-time exposed image and if the derived shake information indicates the digital photographing apparatus is not affected by hand-shake,

controlling capturing of at least one long-time exposed image in the base optical system.

9. The method of claim 1, wherein the method of controlling the digital photographing apparatus further comprises:

if the plurality of images comprises at least one image having a small exposure value and at least one image having a large exposure value, and if a plurality of images for correcting backlight are captured through the plurality of optical systems,

controlling capturing of at least one image having a large exposure value in the base optical system.

10. The method of claim 1, wherein the method of controlling the digital photographing apparatus further comprises:

if at least one wide angle image and at least one telescopic image are captured through the plurality of optical systems,

controlling capturing of the at least one telescopic image in the base optical system.

11. The method of claim 1, wherein the method of controlling the digital photographing apparatus further comprises:

if a plurality of images for obtaining a three-dimensional image are captured through the plurality of optical systems,

controlling capturing of an image having a short exposure time in the base optical system.

12. The method of claim 1, wherein the method of controlling the digital photographing apparatus further comprises:

if a plurality of images for obtaining a three-dimensional image are captured through the plurality of optical systems,

controlling capturing of an image having a large amount of input data in the base optical system.

13. The method of claim 1, further comprising selecting an image captured in the base optical system as a result image.

14. A digital photographing apparatus comprising:

a plurality of optical systems;

at least one image pickup device configured to convert light that has passed through the plurality of optical systems into an electrical signal;

a shake information deriving unit configured to derive shake information from the plurality of optical systems; and

a base optical system determining unit configured to determine a base optical system from among the plurality of optical systems according to the shake information.

15. The digital photographing apparatus of claim 14, wherein the base optical system determining unit is configured to determine that an optical system least shaken from among the plurality of optical systems is the base optical system.

16. The digital photographing apparatus of claim 14, wherein the shaking information deriving unit comprises a grip position detector configured to detect a grip position, and the base optical system determining unit comprises a prior determining unit configured to determine that an optical system closest to the grip position is the base optical system.

17. The digital photographing apparatus of claim 16, wherein the grip position detector is further configured to detect the grip position before capturing an image, and the prior determining unit is further configured to determine the base optical system before capturing an image.

18. The digital photographing apparatus of claim 14, wherein the shake information deriving unit is further configured to derive shake information based on a PSF calculator configured to calculate PSFs from the plurality of images captured via the plurality of optical systems, and the base optical system determining unit is further configured to determine based on the shake information that an optical system less shaken from among the plurality of optical systems is the base optical system.

19. The digital photographing apparatus of claim 14, wherein the digital photographing apparatus further comprises:

a user input detector configured to detect a user'"'"'s input for selecting a base optical system determination type;

a grip position detector configured to detect a grip position before capturing an image;

a PSF calculator configured to calculate a PSFs from a plurality of images captured via the plurality of optical systems, wherein the shake information deriving unit is further configured to derive shake information based on the calculated PSF'"'"'s;

a prior determining unit configured to determine that an optical system closest to the detected grip position is the base optical system before capturing an image if the user'"'"'s input indicates a prior determination type; and

a post determining unit configured to determine that an optical system least shaken based on the derived shake information from among the plurality of optical systems is the base optical system if the user'"'"'s input indicates a post determination type.

20. The digital photographing apparatus of claim 14, the digital photographing apparatus further comprising:

a photographing controller configured to capture at least one short-time exposed image in the base optical system if a plurality of images captured through the plurality of optical systems comprises at least one short-time exposed image and at least one long-time exposed image, and if the shake information indicates the digital photographing apparatus is affected by hand-shake.

21. The digital photographing apparatus of claim 14, the digital photographing apparatus further comprises:

a photographing controller configured to control a capturing of at least one long-time exposed image if a plurality of images captured through the plurality of optical systems are for correcting shaking, and if the plurality of images comprises at least one short-time exposed image and at least one long-time exposed image, and if the digital photographing apparatus is not affected by hand-shake.

22. The digital photographing apparatus of claim 14, wherein the digital photographing apparatus further comprises:

a photographing controller configured to control capturing of at least one image having a large exposure value in the base optical system, if a plurality of images captured through the plurality of optical systems are images for correcting backlight, and if the plurality of images comprises at least one image having a small exposure value and at least one image having a large exposure value.

23. The digital photographing apparatus of claim 14, wherein the digital photographing apparatus further comprises:

a photographing controller configured to control capturing of at least one telescopic image in the base optical system, if at least one wide angle image and at least one telescopic image are captured through the plurality of optical systems.

24. The digital photographing apparatus of claim 14, wherein the digital photographing apparatus further comprises:

a photographing controller configured to control capturing of an image having a short exposure time in the base optical system if a plurality of images for obtaining a three-dimensional image are captured through the plurality of optical systems.

25. The digital photographing apparatus of claim 14, wherein the digital photographing apparatus further comprises:

a photographing controller configured to control capturing of an image having a large amount of input data in the base optical system if a plurality of images for obtaining a three-dimensional image are captured through the plurality of optical systems.

26. The digital photographing apparatus of claim 14, further comprising a result image obtaining unit configured to select an image captured in the base optical system as a result image.

27. A computer-readable storage medium having embodied thereon a computer program for controlling a digital photographing apparatus comprising a plurality of optical systems, the computer program comprising:

a code portion for causing a computer to derive shake information from the plurality of optical systems; and

a code portion for causing the computer to determine a base optical system from among the plurality of optical systems according to the shaking information.