Shakiness correcting method and apparatus

Patent metadata

Field	Value
Publication number	US-10075643-B2
Application number	US-201615094001-A
Country	US
Kind code	B2
Filing date	Apr 8, 2016
Priority date	Aug 13, 2015
Publication date	Sep 11, 2018
Grant date	Sep 11, 2018

Abstract

A shakiness correcting method includes: generating, based on motion sensing data, first filtering data to be applied to a first mode; generating, based on the motion sensing data, second filtering data to be applied to a second mode; and selectively performing shakiness correction on one of the first filtering data and the second filtering data according to mode selection information, wherein the generating of the first filtering data and the generating of the second filtering data are performed in a mutually parallel manner.

First claim

What is claimed is:

1. A shakiness correcting method, comprising:
generating, based on motion sensing data, first filtering data to be applied to a first mode;
generating, based on the motion sensing data, second filtering data to be applied to a second mode;
selectively performing shakiness correction on one of the first filtering data and the second filtering data according to mode selection information; and
directly feeding the selected one of the first filtering data and the second filtering data to an optical image stabilization corrector to perform optical correction,
wherein the generating of the first filtering data and the generating of the second filtering data are performed in a mutually parallel manner, and
a lens is aligned in a central position in response to the mode selection being changed.

2. The shakiness correcting method of claim 1 , further comprising:
generating the motion sensing data in response to movement of an imaging apparatus,
wherein the generating of the first filtering data and the generating of the second filtering data are repeatedly and continuously performed while the motion sensing data is being generated.

3. The shakiness correcting method of claim 1 , wherein the generating of the first filtering data and the generating of the second filtering data are alternately and repeatedly performed in a time division manner.

4. The shakiness correcting method of claim 1 , wherein:
the generating of the first filtering data is performed by filtering the motion sensing data to a first cutoff range; and
the generating of the second filtering data is performed by filtering the motion sensing data to a second cutoff range.

5. The shakiness correcting method of claim 4 , wherein the first mode is a panning mode configured to correct shakiness during panning of an imaging apparatus, the second mode is a capture mode configured to correct shakiness while the imaging apparatus is in a substantially fixed position, and the first cutoff range is larger than the second cutoff range.

6. The shakiness correcting method of claim 5 , wherein the performing of the shakiness correction comprises:
setting the panning mode as a default setting of the mode selection information; and
performing optical correction using the first filtering data.

7. The shakiness correcting method of claim 5 , wherein the performing of the shakiness correction comprises performing optical correction using the second filtering data in response to the mode selection information corresponding to the capture mode.

8. The shakiness correcting method of claim 5 , wherein the performing of the shakiness correction comprises:
aligning the lens in the central position in response to the mode selection information being changed from information corresponding to the panning mode to information corresponding to the capture mode; and
performing optical correction on the lens aligned in the central position using the second filtering data.

9. The shakiness correcting method of claim 5 , wherein the performing of the shakiness correction comprises:
performing optical correction on a current lens position using the first filtering data in response to the mode selection information being changed from information corresponding to the capture mode to information corresponding to the panning mode.

10. A shakiness correcting apparatus, comprising:
a sensor configured to generate motion sensing data in response to movement of an imaging apparatus;
a first filter configured to filter the motion sensing data in a first way to generate first filtering data;
a second filter configured to filter the motion sensing data in a second way to generate second filtering data; and
an optical image stabilization corrector configured to perform optical shakiness correction using one of the first filtering data and the second filtering data directly fed into the optical image stabilization corrector, and align a lens in a central position in response to receiving a reset signal,
wherein the first filter and the second filter are configured to operate in a mutually parallel manner.

11. The shakiness correcting method of claim 10 , wherein:
the filtering of the motion sensing data in the first way comprises filtering the motion sensing data to a first range; and
the filtering of the motion sensing data in the second way comprises filtering the motion sensing data to a second range.

12. The shakiness correcting apparatus of claim 10 , wherein the first cutoff range is larger than the second cutoff range.

13. The shakiness correcting apparatus of claim 11 , wherein the first filter and the second filter are configured to operate alternately and repeatedly in a time division manner.

14. The shakiness correcting apparatus of claim 13 , further comprising a multiplexing selector configured to receive the first filtering data and the second filtering data, and provide one of the first filtering data and the second filtering data directly to the optical image stabilization corrector according to mode selection information.

15. The shakiness correcting apparatus of claim 14 , wherein the multiplexing selector is configured to provide the first filtering data to the optical image stabilization corrector in response to the mode selection information corresponding to a panning mode for correcting optical shakiness during panning of the imaging apparatus, and provide the second filtering data to the optical image stabilization corrector in response to the mode selection information corresponding to a capture mode for correcting optical shakiness while the imaging apparatus is in a substantially fixed position.

16. The shakiness correcting apparatus of claim 15 , wherein the multiplexing selector is configured to set the panning mode as a default setting of the mode selection information.

17. The shakiness correcting apparatus of claim 15 , wherein:
the multiplexing selector is configured to provide the reset signal to the optical image stabilization corrector in response to the mode selection information being changed from information corresponding to the panning mode to information corresponding to the capture mode; and
the optical image stabilization corrector is further configured to perform optical correction using the second filtering data, in response to receiving the reset signal.

18. A method of generating data for shakiness correction in an imaging apparatus, the method comprising:
generating, by filtering motion sensing data in a first way, first filtering data to be applied to a first shakiness correcting mode;
generating, by filtering the motion sensing data in a second way, second filtering data to be applied to a second shakiness correcting mode;
selectively performing shakiness correction on one of the first filtering data and the second filtering data based on mode selection information; and
directly feeding the selected one of the first filtering data and the second filtering data to an optical image stabilization corrector to perform optical correction,
wherein the generating of the first filtering data and the generating of the second filtering data are performed parallel to each other; and

a lens is aligned in a central position in response to the mode selection being changed.

19. The method of claim 18 , wherein:
the filtering of the motion sensing data in the first way comprises filtering the motion sensing data to a first cutoff range; and
the filtering of the motion sensing data in the second way comprises filtering the motion

Assignees

• Samsung Electro Mech

Inventors

• Lee Jung Yoon
• Jeon Kyoung Min
• Kim Min Goo

Classifications

• H04N23/687 Primary

  by shifting the lens or sensor position · CPC title

• H04N23/682 Primary

  Vibration or motion blur correction · CPC title

• H04N23/6812

  based on additional sensors, e.g. acceleration sensors · CPC title

• H04N23/667 Primary

  Camera operation mode switching, e.g. between still and video, sport and normal or high- and low-resolution modes · CPC title

• H04N5/23245

  Electricity · mapped topic