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Image enhancement method

An image enhancement, image technology, applied in image enhancement, image data processing, instruments and other directions, can solve the problem of magnifying image noise, and achieve the effect of reducing the degree of magnification, retaining the sense of reality, and improving the visual effect

Active Publication Date: 2015-02-25
SHENZHEN TRANSSION HLDG CO LTD
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  • Abstract
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  • Claims
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Problems solved by technology

In practice, using the histogram equalization algorithm to implement nonlinear or linear conversion on the gray value of the image can make the brightness distribution of the image uniform and highlight the target part in the image, but the noise in the image will be severely amplified during the conversion

Method used

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Embodiment Construction

[0015] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0016] The embodiment of the invention discloses an image enhancement method, which can reduce the amplification degree of noise points in the original image while the contrast transformation improves the image quality. Each will be described in detail below.

[0017] see figure 1 , figure 1 It is a schematic flowchart of an image enhancement method disclosed in an embodiment of the present invention. Wherein, the image enhancement method refer...

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Abstract

The embodiment of the invention discloses an image enhancement method. The image enhancement method comprises the steps that denoising treatment is conducted on an original image, so that a first image is obtained; contrast conversion is conducted on the first image, so that a second image is obtained; preset image operation is conducted on the original image, the first image and the second image, so that a target image containing the edge information of the original image is obtained. By the adoption of the image enhancement method, when contrast conversion is conducted on the first image which is obtained after denoising treatment, the amplification degree of noisy points in the original image can be reduced, the target image can contain the edge information of the original image through image calculation, and therefore the sense of reality of an enhanced image can be kept.

Description

technical field [0001] The invention relates to the field of digital image processing, in particular to an image enhancement method. Background technique [0002] At present, with the development of communication technology, portable terminals such as smartphones, tablets, and wearable devices can access the Internet anytime and anywhere, and obtain or upload various multimedia data. In fact, how to process multimedia data to improve image quality is an urgent problem to be solved. one of the problems. In practice, using the histogram equalization algorithm to implement nonlinear or linear conversion on the gray value of the image can make the brightness distribution of the image uniform and highlight the target part of the image, but the noise in the image will be severely amplified during the conversion. Contents of the invention [0003] The embodiment of the invention discloses an image enhancement method, which can reduce the amplification degree of noise points in t...

Claims

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Application Information

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IPC IPC(8): G06T5/40
Inventor 卢伟冰
Owner SHENZHEN TRANSSION HLDG CO LTD
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