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Method and device of image denoising

An image and image area technology, applied in the field of image processing, can solve problems such as excessive blurring of images, excessive blurring, and reduction of image aesthetics, so as to achieve the effect of improving aesthetics and avoiding excessive blurring

Active Publication Date: 2017-05-17
XIAMEN MEITUZHIJIA TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the image contains a large number of pixels. Due to the large number of pixels in the image, the information of the image is relatively complex. After filtering the entire image, the part of the image that does not contain color noise points will be excessively blurred, resulting in Excessive blurring occurs, detracting from the aesthetics of the image

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  • Method and device of image denoising
  • Method and device of image denoising
  • Method and device of image denoising

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Embodiment Construction

[0015] Features and exemplary embodiments of various aspects of the invention are described in detail below. In the following detailed description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. It will be apparent, however, to one skilled in the art that the present invention may be practiced without some of these specific details. The following description of the embodiments is only intended to provide a better understanding of the present invention by illustrating examples of the invention. The present invention is by no means limited to any specific configurations and algorithms presented below, but covers any modification, substitution and improvement of elements, components and algorithms without departing from the spirit of the invention. In the drawings and the following description, well-known structures and techniques have not been shown in order to avoid unnecessarily obscuring the present invention. ...

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Abstract

The invention discloses a method and device of image denoising, relates to the field of image processing, and aims at solving the problem that the blurry degree of an image is high after denoising. The image denoising method comprises the steps of segmenting the image into multiple image regions; determining the image regions of which pixel value distributional difference characterization factors meet preset conditions in the multiple image regions as the image regions which are provided with colored noise points; conducting smoothing on the image regions which are provided with the colored noise points.

Description

technical field [0001] The invention relates to the field of image processing, in particular to an image denoising method and device. Background technique [0002] With the development of electronic equipment, more and more electronic equipment has the function of taking pictures, but color noise will be introduced during the shooting process, so that scattered color noise points with a single color appear in the captured image, which affects the beauty of the image degree. [0003] In order to ensure the beauty of the image, the method of filtering the entire image and removing the color noise is adopted at this stage. However, the image contains a large number of pixels. Due to the large number of pixels in the image, the information of the image is relatively complex. After filtering the entire image, the part of the image that does not contain color noise points will be excessively blurred, resulting in Excessive blur occurs, reducing the aesthetics of the image. Con...

Claims

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Application Information

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IPC IPC(8): G06T5/00G06T7/90
CPCG06T2207/20021G06T2207/20012G06T5/70
Inventor 李启东李志阳张伟傅松林
Owner XIAMEN MEITUZHIJIA TECH