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Image enhancement method and device, and AR device

An image enhancement and image technology, which is applied in the field of image processing, can solve the problems of not being able to display images in real time, not satisfying high-quality image output, complexity, etc., and achieve the effects of overcoming poor image enhancement effects, increasing speed, and improving processing speed

Inactive Publication Date: 2017-11-24
GOERTEK OPTICAL TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] When using software to enhance image processing, in order to obtain better results, more complex algorithms are usually used, resulting in a certain degree of delay in image processing, and the enhanced image cannot be displayed in real time
If a hardware platform is used to enhance the image, limited by hardware resources, the enhancement process can only use a relatively simple algorithm, which cannot meet the requirements of high-quality image output.

Method used

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  • Image enhancement method and device, and AR device
  • Image enhancement method and device, and AR device
  • Image enhancement method and device, and AR device

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Embodiment Construction

[0028] Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that the relative arrangements of components and steps, numerical expressions and numerical values ​​set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise.

[0029] The following description of at least one exemplary embodiment is merely illustrative in nature and in no way taken as limiting the invention, its application or uses.

[0030] Techniques, methods and devices known to those of ordinary skill in the relevant art may not be discussed in detail, but where appropriate, such techniques, methods and devices should be considered part of the description.

[0031] In all examples shown and discussed herein, any specific values ​​should be construed as exemplary only, and not as limitations. Therefore, other instances of the exemplary embodiment may have dif...

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PUM

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Abstract

The invention discloses an image enhancement method and device, and an AR device. The method comprises the steps of converting an image into a grayscale image, and determining a first grayscale threshold for distinguishing a low-brightness background from a target scenery and a second grayscale threshold for distinguishing the target scenery from a high-brightness background; converting the image to a YCbCr color space from an RGB color space, thereby obtaining a grayscale component y, a blue chromaticity component Cb and a red chromaticity component Cr of each pixel point of the image; and by taking the first grayscale threshold and the second grayscale threshold as interval separation points, performing sub-interval grayscale conversion on the grayscale component y of the image to enhance the target scenery. The image enhancement method and device is especially suitable for images shot in a low-illumination environment.

Description

technical field [0001] The present invention relates to the technical field of image processing, in particular to an image enhancement method, an image enhancement device and an AR device. Background technique [0002] When the image is enhanced through software, in order to obtain better results, more complex algorithms are usually used, resulting in a certain degree of delay in image processing, and the enhanced image cannot be displayed in real time. If a hardware platform is used to enhance the image, limited by hardware resources, the enhancement process can only use a relatively simple algorithm, which cannot meet the requirements of high-quality image output. [0003] For images acquired under low illumination conditions (such as night conditions, smoky, rainy and snowy weather conditions), the images often cannot reflect comprehensive and detailed real scene information, and more complex algorithms are required to enhance such images. Contents of the invention [...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T5/00
CPCG06T2207/10024G06T5/73
Inventor 李祥艳
Owner GOERTEK OPTICAL TECH CO LTD