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Method and device for eliminating moire in image

A moiré pattern and image technology, applied in the field of image processing, can solve the time-consuming problems of image information loss, achieve the effects of overcoming serious loss, reducing computational complexity, and improving image quality

Pending Publication Date: 2020-07-17
INDUSTRIAL AND COMMERCIAL BANK OF CHINA
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Problems solved by technology

[0003] At present, in the field of computer vision, there are two main types of moiré removal algorithms: the frequency band separation algorithm based on traditional image processing and the moiré removal algorithm based on convolutional neural network, both of which have serious loss of image information after processing and time-consuming defects

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  • Method and device for eliminating moire in image
  • Method and device for eliminating moire in image
  • Method and device for eliminating moire in image

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[0060] In order to make the purpose, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments It is a part of the embodiments of this application, not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of this application.

[0061] In the field of computer vision, there are two main types of moiré removal algorithms: the frequency band separation algorithm based on traditional image processing and the moiré removal algorithm based on convolutional neural network. The defects of these two types of algorithms are as follows:

[0062] 1. Algorithms based on traditional image processi...

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Abstract

The embodiment of the invention provides a method and device for eliminating moire patterns in an image. The method comprises the steps that a target image containing the moire patterns is acquired; inputting the target image into a preset generator, and taking the output of the generator as a moire elimination image corresponding to the target image, wherein the generator is a deep convolutionalneural network which is obtained through training by applying a preset generative adversarial network and is used for eliminating moire in the image. According to the method and the device, the elimination efficiency of the moire in the image can be effectively improved, the quality of the image after moire elimination can be effectively improved, and the definition of the image after moire elimination can be effectively improved.

Description

technical field [0001] The present application relates to the technical field of image processing, in particular to a method and device for eliminating moiré in images. Background technique [0002] Digital devices allow us to conveniently record the beautiful moments in our lives. With the iterative improvement of hardware performance, although the quality of digital images continues to improve, it is still difficult to obtain high-quality images on the shooting screen. Due to the asynchronous sampling frequency between the camera sensor and the screen, the overlay effect between the pixel grid of the camera and the screen causes the image output by the camera to be disturbed by moiré. [0003] At present, in the field of computer vision, there are two main types of moiré removal algorithms: the frequency band separation algorithm based on traditional image processing and the moiré removal algorithm based on convolutional neural network, both of which have serious loss of ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T5/00G06N3/08G06N3/04
CPCG06N3/08G06N3/045G06T5/77Y02T10/40
Inventor 李铁岭钟华李兆佳
Owner INDUSTRIAL AND COMMERCIAL BANK OF CHINA
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