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White balance determining method, terminal and computer readable storage medium

A determination method and technology of white balance, applied to color TV parts, TV system parts, TVs, etc., can solve the problem of large color difference between image color and actual color

Inactive Publication Date: 2018-04-13
NUBIA TECHNOLOGY CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In view of this, the main purpose of the present invention is to propose a method for determining white balance, a terminal and a computer-readable storage medium, aiming at avoiding that the existing method for determining white balance will cause a discrepancy between the color of the image and the actual color. The technical problem of large chromatic aberration improves the visual effect of the image

Method used

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  • White balance determining method, terminal and computer readable storage medium
  • White balance determining method, terminal and computer readable storage medium
  • White balance determining method, terminal and computer readable storage medium

Examples

Experimental program
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Embodiment 1

[0075] Based on the foregoing embodiments, the embodiments of the present invention provide a method for determining white balance, which can be applied to a terminal, and the functions implemented by the method for determining white balance can be realized by calling program codes by a processor in the terminal, Of course, the program code can be stored in a computer storage medium. It can be seen that the terminal includes at least a processor and a storage medium.

[0076] This embodiment provides a method for determining white balance, image 3 It is a schematic flowchart of the method for determining the white balance in Embodiment 1 of the present invention, refer to image 3 As shown, the method for determining the above-mentioned white balance may include:

[0077] S301: Obtain an image collected by a camera of the terminal;

[0078] When the user captures the profile picture through the camera in the terminal, if the light is dark or the light is bright, the color o...

Embodiment 2

[0101] Based on the foregoing embodiments, this embodiment provides a method for determining white balance, which can be applied to a terminal, and the functions implemented by the method for determining white balance can be realized by calling program codes by a processor in the terminal, of course The program code can be stored in a computer storage medium. It can be seen that the terminal includes at least a processor and a storage medium.

[0102] On the basis of the first embodiment above, the above-mentioned brightness parameter may include a brightness value and an RGB value. Correspondingly, in order to obtain the threshold value of the preset brightness parameter, it may be implemented in any of the following ways:

[0103] When the above-mentioned brightness parameter is a brightness value, in an optional embodiment, obtaining the threshold value of the preset brightness parameter in S303 may include:

[0104] Acquire a preset threshold value of the brightness value ...

Embodiment 3

[0156] Based on the foregoing method embodiments, this embodiment provides a terminal, Figure 7 It is a schematic structural diagram of the terminal in Embodiment 3 of the present invention, refer to Figure 7 As shown, the terminal includes a processor 71, a memory 72, and a communication bus 73; the communication bus 73 is used to realize connection and communication between the processor 71 and the memory 72; the processor 71 is used to execute the white balance stored in the memory 72 determined procedures to achieve the following steps:

[0157] Obtain the image captured by the camera of the terminal; determine the brightness parameter corresponding to each pixel of the image; obtain the threshold value of the preset brightness parameter; select the pixel point from each pixel according to the threshold value of the preset brightness parameter; The RGB value of the point is calculated using the preset white balance algorithm to obtain the white balance of the image.

...

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Abstract

An embodiment of the invention discloses a white balance determining method. The method is applied to a terminal. The method comprises the steps of acquiring an image collected by a camera of the terminal; determining a brightness parameter corresponding to each pixel of the image; acquiring a threshold of a preset brightness parameter; according to the threshold of the preset brightness parameter, selecting a pixel from all pixels; and according to a RGB value of the selected pixel, calculating by using a preset white balance algorithm so as to obtain image white balance. Embodiments of the invention further disclose a terminal and a computer readable storage medium. The existing white balance determining method has the technical problem of great color difference between the image color and actual color. The method solves the problem of the existing method and improves the visual effect of the image.

Description

technical field [0001] The present invention relates to a technology for determining white balance of an image, in particular to a method for determining white balance, a terminal and a computer-readable storage medium. Background technique [0002] At present, in the terminal, when the camera collects the image, due to the influence of the light in the collection environment, the white balance of the collected image will be affected. [0003] In practical applications, in dark scenes or bright scenes, according to the red (R, Red) green (G, Green) and blue (B, Blue) values ​​of each pixel collected, the white balance algorithm is used for calculation, and the obtained The white balance of the image, however, through the above method, the RGB values ​​​​of the pixels of the dark scene and the bright scene are taken into account, so that the color difference between the color of the obtained image and the actual color is relatively large, which affects the effect of the image...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N5/232H04N9/73
CPCH04N23/80H04N23/88
Inventor 张文婷
Owner NUBIA TECHNOLOGY CO LTD