Information Processing Method and Electronic Device

• US 20150271416A1
• Filed: 09/29/2014
• Published: 09/24/2015
• Est. Priority Date: 03/24/2014
• Status: Active Grant

• Current Assignee: Lenovo Company Limited (Lenovo Group Ltd.)
• Original Assignee: Lenovo Company Limited (Lenovo Group Ltd.)
• Inventors: Jin, Yuru, Song, Wenbin, Liu, Changsheng
• Granted Patent: US 9,832,395 B2
• Time in Patent Office: Days
• US Class Current: 1/1
• CPC Class Codes: H04N 23/76 by influencing the image signals
• CPC Class Codes: H04N 23/80 Camera processing pipelines; Components thereof
• CPC Class Codes: H04N 23/90 Arrangement of cameras or camera modules, e.g. multiple cameras in TV studios or sports stadiums
• CPC Class Codes: H04N 5/265 Mixing

Abstract

The present application describes an information processing method for solving a technical problem of low efficiency in an electronic device. The method includes capturing the first image by a first image capturing unit among at least two image capturing units, and at the same time, capturing a second image by a second image capturing unit among the at least two image capturing units, where the first image and the second image correspond to the same captured object; such that the pixels in the first image is less than those in the second image; transmitting the first image and the second image to an image processing unit; in the process of transmitting the second image, determining a processing way according to at least one characteristic parameter information corresponding to the first image by the image processing unit.

Claims

1. An information processing method applied to an electronic device which has at least two image capturing units that have the same image capturing direction, the method comprising:

capturing the first image by the first image capturing unit, and at the same time, capturing the second image by the second image capturing unit, and the first image and the second image correspond to an identical captured object;

wherein, the pixels of the first image is less than those of the second image;

transmitting the first image and the second image to an image processing unit in the electronic device;

in the process of transmitting the second image, determining a processing way according to at least one characteristic parameter information corresponding to the first image by the image processing unit;

after the transmission of the second image is completed, conducting the synthesis process for the first image and the second image by the image processing unit to obtain the corresponding synthesis image; and

,

processing the synthesis image in accordance with the processing way.

2. The method according to claim 1, wherein processing the synthesis image in accordance with the processing way comprises determining a first correction parameter with respect to the first image according to the at least one characteristic parameter information, and conducting a correcting process for the synthesis image according to the first correction parameter.

3. The method according to claim 1, wherein the at least one characteristic parameter information is an image luminance parameter information and/or an image noise parameter information.

4. The method according to claim 3, wherein when the at least one characteristic parameter information is the image luminance parameter information, the determining a process way according to the at least one characteristic parameter information corresponding to the first image comprises:

determining an image grayscale information of the first image;

determining the image luminance parameter information corresponding to the first image according to the image grayscale information;

determining the processing way according the image luminance parameter information.

5. The method according to claim 4, wherein the determining the image luminance parameter information corresponding to the first image according to the image grayscale information comprises:

determining the number of the specific pixel points according to the image grayscale information;

wherein, the specific pixel points are, in the first image, pixel points corresponding to a first grayscale which is more than or equal to a preset grayscale;

determining a first percentage that the number of the specific pixel points accounts for the number of all the pixel points in the first image;

determining the image luminance parameter information according to the first percentage.

6. The method according to claim 5, wherein the determining the image luminance parameter information according to the first percentage comprises:

determining whether the first percentage is bigger than a preset percentage threshold;

when the first percentage is bigger the preset percentage threshold, determining an image luminance value corresponding to the image luminance parameter information as a first luminance value;

when the first percentage is not bigger than the preset percentage threshold, determining a luminance value corresponding to the luminance parameter information is a second luminance value, the second image luminance value being smaller than the first image luminance value.

7. The method according to claim 6, wherein the determining the processing way according to the image luminance parameter information comprises:

determining an absolute value of a difference between the first percentage and the preset percentage threshold;

determining a adjusting luminance value according to the absolute value;

wherein when the image luminance value corresponding to the image luminance parameter information is the first luminance value, determining the processing way is subtracting the adjusting luminance value from the synthesis image luminance value corresponding to the synthesis image;

alternatively, when the image luminance value corresponding to the image luminance parameter information is the second luminance value, determining the processing way is adding the adjusting luminance value to the synthesis image luminance value corresponding to the synthesis image.

8. The method according to claim 7, wherein the determining a first correction parameter with respect to the first image according to the at least one characteristic parameter information, conducting correcting process for the synthesis image according to the first correction parameter comprise:

determining the adjusting luminance value as the first correction parameter;

conducting a correcting processing to the synthesis image according to the first correction parameter.

9. The method according to claim 3, wherein when the at least one characteristic parameter information is an image noise parameter information, the determining a process way according to the at least one characteristic parameter information corresponding to the first image comprises:

obtaining an image histogram corresponding to the first image;

determining the image noise parameter information corresponding to the first image according to the image histogram information;

determining the processing way according to the image noise parameter information.

10. The method according to claim 9, wherein determining the image noise parameter information corresponding to the first image according to the image histogram information comprises:

obtaining an image noise average value corresponding to the first image according to the image histogram information; and

determining the image noise parameter information corresponding to the first image according to the image noise average value.

11. The method according to claim 10, wherein the determining the image noise parameter information corresponding to the first image according to the image noise average value comprises:

calculating a standard deviation of the first image according to the image noise average value;

determining a first preset standard deviation, which is successfully matched with the standard deviation, among a plurality of preset standard deviations;

wherein, different preset standard deviations are standard deviations that are preset and corresponding to different image noise parameter information;

determining a first image noise parameter information corresponding to the first preset standard deviation as the image noise parameter information corresponding to the first image.

12. The method according to claim 11, wherein the determining the processing way according to the image noise parameter information comprises:

determining a noise type corresponding to the first image according to the image noise parameter information; and

determining a noise processing way related to the noise type as the processing way.

13. An electronic device, having at least two image capturing units which have the same image capturing direction, the electronic device comprising:

a first image capturing unit among the at least two image capturing units, which captures a first image,

a second image capturing unit among the at least two image capturing units, which captures a second image at the same time, and the first image and the second image being corresponding to the same capturing objects;

wherein, the pixels of the first image are less than those of the second image;

a transmitting unit for transmitting the first image and the second image to an image processing unit in the electronic device;

a processing unit, which includes a first processing module, a synthesis module and a second processing module, wherein

the first processing module, for determining, in the process of transmitting the second image, a processing way through the image processing unit according to at least one characteristic parameter information corresponding to the first image;

the synthesis module, for conducting, after the transmission of the second image is completed, a synthesis process for the first image and the second image through the image processing unit to obtain a corresponding synthesis image;

the second processing module, for processing the synthesis image in accordance with the processing way.

14. The electronic device according to claim 13, wherein the second processing module is used for determining a first correction parameter with respect to the first image according to the at least one characteristic parameter information, and conducting a correcting process for the synthesis image according to the first correction parameter.

15. The electronic device according to claim 13, wherein the at least one characteristic parameter information is image luminance parameter information and/or image noise parameter information.

16. The electronic device according to claim 15, wherein when the at least one characteristic parameter information is the image luminance parameter information, the first processing module is also used for determining image grayscale information in the first image;

determining the image luminance parameter information corresponding to the first image according to the image grayscale information;

determining the processing way according to the image luminance parameter information.

17. The electronic device according to claim 16, wherein, the first processing module is used for determining the image luminance parameter information corresponding to the first image according to the image grayscale information, and is used for determining the number of specific pixel points according to the image grayscale information;

wherein, the specific pixel points are the pixel points corresponding to a first grayscale which is more than or equal to a preset grayscale;

determining a first percentage that the number of the specific pixel points accounts for the number of all the pixel points in the first image;

determining the image luminance parameter information according to the first percentage.

18. The electronic device according to claim 16, wherein the first processing module is used for determining the image luminance parameter information according to the first percentage, and also used for determining whether the first percentage is bigger than a preset percentage threshold;

when the first percentage is bigger the preset percentage threshold, determining an image luminance value corresponding to the image luminance parameter information as a first luminance value;

when the first percentage is not bigger than the preset percentage threshold, determining an image luminance value corresponding to the luminance parameter information as a second luminance value, the second image luminance value is smaller than the first image luminance value.

19. The electronic device according to claim 18, wherein the first processing module is used for determining the processing way according to the image luminance parameter information, and is used for determining an absolute value of a difference between the first percentage and the preset percentage threshold;

determining a adjusting luminance value according to the absolute value;

when the image luminance value corresponding to the image luminance parameter information is the first luminance value, determining the processing way is subtracting the adjusting luminance value from an synthesis image luminance value corresponding to the synthesis image;

alternatively, when the image luminance value corresponding to the image luminance parameter information is the second luminance value, determining the processing way is adding the adjusting luminance value to the synthesis image luminance value corresponding to the synthesis image.

20. The electronic device according to claim 19, wherein the second processing module is used for determining the first correction parameter with respect to the first image according to the at least one characteristic parameter information, and conducting the correcting process for the synthesis image according to the first correction parameter, and is used for determining the adjusting luminance value as the first correction parameter;

conducting the correcting processing to the synthesis image according to the first correction parameter.