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A video brightness adjustment method and electronic equipment

A brightness adjustment and brightness technology, applied in the video field, can solve the problems of affecting real-time video interaction, non-adjustable light source size, inconvenience, etc.

Active Publication Date: 2018-10-16
肖峰
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] During the real-time video interaction of the user, when the intensity of the ambient light source of any one of the video interaction parties is weak, it will cause some or all areas in the video frame corresponding to the user's face in the video to become dark or blurred, affecting the user's vision. Real-time video interaction, thereby reducing the user's interactive experience
[0003] When some or all areas in the video frame become dark or blurred due to weak light source intensity, the user can only overcome the above problems by adjusting the light source intensity of the environment or moving to a place with stronger light intensity, but in practical applications Among them, the size of the light source in the user's environment is not adjustable or it is inconvenient to adjust, and the user moves to a place with strong light intensity, which will also cause inconvenience to the user during the real-time video process; in the actual use process, the above two The solution will reduce the user experience of the user during the instant video

Method used

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  • A video brightness adjustment method and electronic equipment
  • A video brightness adjustment method and electronic equipment
  • A video brightness adjustment method and electronic equipment

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0081] Embodiment 1 is a video brightness adjustment method provided by the embodiment of the present invention, refer to figure 1 As shown, the method includes:

[0082] 101. Acquire the brightness of the current video frame.

[0083] Specifically, if the color space of the current video frame is YUV (also known as YCrCb, where "Y" stands for brightness (Luminance or Luma), that is, the grayscale value; and "U" and "V" represent the color degree (Chrominance or Chroma), the effect is to describe the color and saturation of the image, and is used to specify the color of the pixel), then the data of the current video frame is obtained, and the mean value of the brightness of all pixels in the current video frame is obtained as the brightness of the current video frame;

[0084] If the color space of the current video frame is RGB (R, Red, means red, G, Green, means green, B, Blue, means blue), then convert the color space of the current video frame to YUV, and get the current ...

Embodiment 2

[0101] Embodiment 2 is a video brightness adjustment method provided by the embodiment of the present invention, refer to figure 2 As shown, the method includes:

[0102] 201. Determine whether the color space of the current video frame is YUV or RGB, if the color space of the current video frame is YUV, then perform step 202, and if the color space of the current video frame is RGB, then perform step 203.

[0103] Specifically, the color space information of the current video frame is obtained from the video format information of the current video frame, and the color space information may be the color space description field included in the description field of the current video frame. The method is not limited;

[0104] According to the color space information of the current video frame, it is judged whether the color space of the current video frame is YUV or RGB. In the judgment process, it is realized by matching the color space description field with the pre-stored de...

Embodiment 3

[0154] Embodiment 3 is an electronic device provided by the embodiment of the present invention, refer to image 3 As shown, the electronic equipment includes:

[0155] Brightness acquisition module 301, used to acquire the brightness of the current video frame;

[0156] The adjustment parameter acquisition module 302 is used to obtain the brightness adjustment parameter of the current video frame according to the brightness of the current video frame and the brightness adjustment parameter of the previous video frame;

[0157] The adjusted brightness obtaining module 303 is configured to generate the adjusted brightness of each pixel of the current video frame according to the mapping formula corresponding to the brightness adjustment parameter of the current video frame.

[0158] Optionally, the brightness acquisition module 301 is specifically used for:

[0159] If the color space of the current video frame is YUV, the data of the current video frame is obtained, and the me...

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Abstract

The embodiment of the invention provides a video brightness adjustment method and an electronic device and belongs to the field of a video. The method comprises the steps of obtaining brightness of a current video frame; obtaining a brightness adjustment parameter of the current video frame according to the brightness of the current video frame and brightness adjustment parameters of previous video frames; and generating the adjusted brightness of each pixel of the current video frame according to a mapping formula corresponding to the brightness adjustment parameter of the current video frame. The adjusted brightness of each pixel of the current video frame is generated according to a mapping formula corresponding to the brightness adjustment parameter of the current video frame; when partial or all area in the video frame is dark or fuzzy due to the fact that light source intensity is relatively weak and fuzzy, the definition of a video is kept; the adjustment is carried out through the correlation between the brightness of the current video frame and the previous video frames, the video brightness adjustment accuracy is improved; the adjusted video brightness is relatively real; and the user experience of a user in an instant video process is further improved.

Description

technical field [0001] The invention relates to the video field, in particular to a video brightness adjustment method and electronic equipment. Background technique [0002] During the real-time video interaction of the user, when the intensity of the ambient light source of any one of the video interaction parties is weak, it will cause some or all areas in the video frame corresponding to the user's face in the video to become dark or blurred, affecting the user's vision. Real-time video interaction, thereby reducing the user's interactive experience. [0003] When some or all areas in the video frame become dark or blurred due to weak light source intensity, the user can only overcome the above problems by adjusting the light source intensity of the environment or moving to a place with stronger light intensity, but in practical applications Among them, the size of the light source in the user's environment is not adjustable or it is inconvenient to adjust, and the user...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N9/77
CPCH04N9/77
Inventor 焦华龙
Owner 肖峰
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