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An image processing method and device

An image processing and image technology, which is applied in the field of image processing, can solve difficult image tone, brightness, saturation adjustment and other problems

Active Publication Date: 2022-04-01
BANMA ZHIXING NETWORK HONGKONG CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

For an image in the RGB color space, its hue, brightness, and saturation need to be calculated based on the values ​​​​of the three RGB color channels, so it is difficult to digitally adjust the hue, brightness, and saturation of the image in the RGB color space

Method used

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  • An image processing method and device
  • An image processing method and device
  • An image processing method and device

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Embodiment Construction

[0024] While the concepts of the application are susceptible to various modifications and alternative forms, specific embodiments thereof have been shown by way of example in the drawings and will be described herein in detail. It should be understood, however, that there is no intention to limit the concepts of the application to the particular forms disclosed, but on the contrary, the intention is to cover all modifications, equivalents, and alternatives consistent with the application and the appended claims.

[0025] References in the specification to "one embodiment," "an embodiment," "illustrative embodiment," etc., indicate that the described embodiment may include a particular feature, structure, or characteristic, but that each embodiment may or may not include the particular feature, structure, or characteristic. feature, structure or characteristic. Moreover, such phrases are not necessarily referring to the same embodiment. Further, it is considered within the kno...

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Abstract

The application discloses an image processing method and device. In this application, after obtaining the first image in the YUV color coding format, determine the brightness gain of the pixels in the first image; respectively enhance the brightness of the Y channel, U channel and V channel of the pixel according to the determined brightness gain; then adjust the brightness The Y channel value of the enhanced pixel is contrast enhanced. This application can implement brightness enhancement processing on low-light images in the YUV color-coded format.

Description

technical field [0001] The present application relates to the technical field of image processing, and in particular to an image processing method and device. Background technique [0002] Low-light images refer to images captured under poor lighting conditions, such as nighttime, dark indoors, and rainy weather. The characteristic of this type of image is that the brightness of the image is not enough, the picture is darker, and it cannot meet people's aesthetic requirements visually, so it is necessary to enhance the brightness of the image to improve the visual effect of the image. When performing brightness enhancement processing on an image, the overall or local characteristics of the image are purposely emphasized for a given image, the original unclear image becomes clear or some interesting features are emphasized, and the distance between different object features in the image is enlarged. It suppresses uninteresting features, improves image quality, enriches infor...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06T5/00
CPCG06T5/009G06T7/90G06T2207/10024
Inventor 唐振周士奇
Owner BANMA ZHIXING NETWORK HONGKONG CO LTD