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Image enhancement method and device

An image enhancement and image technology, applied in the field of deep learning, to achieve the single effect of improving the image enhancement effect

Active Publication Date: 2020-12-04
XIAMEN MEITUZHIJIA TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to overcome the above-mentioned deficiencies in the prior art, the purpose of this application is to provide an image enhancement method and device to solve or improve the above-mentioned problems

Method used

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Embodiment Construction

[0050] Image enhancement is a method to improve the visual effect of an image. Generally speaking, image enhancement refers to adjusting the brightness, saturation, and contrast of an image. At present, a large number of pictures circulated on the Internet have poor visual effects, and it is often difficult for Internet users to find pictures with good image content and image color. On the other hand, mobile phone photography has also become a way for most people to record their lives, but the photos taken by mobile phones are often difficult to meet the visual needs of users.

[0051]The inventor found in the process of implementing the technical solution of the present application that most of the current image enhancement algorithms use fixed parameter values ​​to adjust the pixel values ​​of each channel in the image, and even use fixed parameters to adjust the three channels (RGB channel ) pixel value. However, this method has a single effect and is prone to problems suc...

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Abstract

The embodiment of the invention provides an image enhancement method and device. The method comprises the steps of: obtaining a training sample set, wherein the training sample set comprises a plurality of original image samples and corresponding enhancement image samples; performing iteration training of a pre-constructed CNN image enhancement network based on the training sample set, and updating the network parameters of the CNN image enhancement network in the training process; and determining whether the CNN image enhancement network reaches a training convergence condition or not, and when the CNN image enhancement network reaches the training convergence condition, outputting a corresponding image enhancement model, and performing image enhancement of the input image based on the image enhancement model. Therefore, the image enhancement method and device perform image enhancement processing through deep learning to give appropriate enhancement effects for the images according todifferent scenes so as to achieve a user expected visual effect, greatly overcome the problems that the image enhancement effect is single, it is easy to generate phenomena of unnatural color, colorblocks, color cast and transition in the traditional scheme.

Description

technical field [0001] This application relates to the field of deep learning, in particular, to an image enhancement method and device. Background technique [0002] Image enhancement is a method to improve the visual effect of an image. Generally speaking, image enhancement refers to adjusting the brightness, saturation, and contrast of an image. Currently, a large number of pictures circulated on the Internet have poor visual effects, and it is often difficult for Internet users to find pictures with good image content and image color. On the other hand, mobile phone photography has also become a way for most people to record their lives, but the photos taken by mobile phones are often difficult to meet the visual needs of users. Contents of the invention [0003] In order to overcome the above-mentioned shortcomings in the prior art, the purpose of the present application is to provide an image enhancement method and device to solve or improve the above-mentioned prob...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06T5/00G06T5/50
CPCG06T5/00G06T5/50G06T2207/20081
Inventor 周铭柯李志阳李启东张伟许清泉
Owner XIAMEN MEITUZHIJIA TECH