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Image moire removing method and device, terminal equipment and storage medium

A moiré pattern and image technology, applied in the field of image processing, can solve the problems of large image details and poor image quality, and achieve the effect of improving image quality and retaining image details

Pending Publication Date: 2021-04-23
TCL CORPORATION
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In view of this, embodiments of the present application provide a method, device, terminal device, and computer-readable storage medium for image moiré removal, so as to solve the problem that existing moiré removal methods have a great impact on image details, resulting in poor image quality The problem

Method used

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  • Image moire removing method and device, terminal equipment and storage medium
  • Image moire removing method and device, terminal equipment and storage medium

Examples

Experimental program
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Embodiment 1

[0094] See figure 1 , which is a schematic flow diagram of a method for removing moiré from an image provided in an embodiment of the present application, and the method may include the following steps:

[0095] Step S101, acquiring an image to be processed.

[0096] It should be noted that the aforementioned image to be processed refers to an image that requires moiré removal, and moiré exists in the image. The image to be processed may be an image captured in real time, or an image captured in non-real time.

[0097] It can be understood that the above-mentioned image to be processed is an image generated by a user shooting a display screen of an electronic device through a terminal device, and the electronic device may be, but not limited to, a mobile phone, a television, a computer, and the like. For example, a mobile phone is used to photograph the display screen of another mobile phone to obtain the above image to be processed.

[0098] In some embodiments, the captur...

Embodiment 2

[0119] In some embodiments, the moiré removal method for the above image may also automatically perform scene recognition on the captured image before performing moiré removal, and if it is recognized that there is moiré in the image, enter the moiré removal process.

[0120] see Figure 4 , which is another schematic block diagram of a method for removing moiré patterns of an image provided in the embodiment of the present application, and the method may include the following steps:

[0121] Step S401 , acquiring an image generated by shooting.

[0122]It can be understood that the image generated by the above-mentioned shooting may be an image captured in real time, or an image captured in advance and stored locally. A display may or may not be present in this image. Determine whether there is a display screen in the image by detecting whether there is moiré in the image. The presence of moiré in the image indicates the presence of a display screen in the image, whereas t...

Embodiment 3

[0141] In this embodiment, a moiré removal method applied to a real-time image processing scene is introduced and described.

[0142] see Figure 7 , which is another schematic block diagram of a method for removing moiré in an image provided in an embodiment of the present application, and the method may include the following steps:

[0143] Step S701 , acquiring an image generated by shooting.

[0144] Specifically, the user takes an image through the terminal device, and displays the image on the camera page.

[0145] Step S702, detecting whether there is a display screen in the image.

[0146] It should be noted that step S702 is the same as step S402 in the above-mentioned second embodiment, and for relevant introduction, please refer to the corresponding content above, and details are not repeated here.

[0147] Step S703, when there is a display screen in the image, display prompt information and / or moiré removal function selection buttons in the preset display area ...

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Abstract

The embodiment of the invention is suitable for the technical field of image processing, and discloses a moire removing method and device, terminal equipment and a computer readable storage medium. Extracting a spectrogram of the to-be-processed image; and removing moire patterns in the to-be-processed image according to the spectrogram. According to the embodiment of the invention, the to-be-processed image is acquired, the spectrogram of the image is extracted, and the moire is removed according to the spectrogram of the image, so that compared with a traditional mode based on a low-pass filter, image details can be reserved, and the image quality is improved.

Description

technical field [0001] The present application belongs to the technical field of image processing, and in particular relates to an image moiré removal method, device, terminal equipment and computer-readable storage medium. Background technique [0002] With the continuous development of image processing technology, smart terminal photography has been widely used in people's lives. [0003] At present, it is often encountered that a smart terminal needs to take pictures of the screen of an electronic device, and transmit the captured images to the other party. When using a smart terminal to take pictures of the screen of an electronic device, sometimes there will be some water-like ripples. This kind of water-like moiré will seriously affect the imaging effect of photo proofs, and this kind of water-like moiré is the so-called moiré. [0004] Nowadays, avoiding or removing moiré is generally divided into hardware methods and software methods. If moiré is to be avoided at ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T5/00G06K9/62
CPCG06T2207/20081G06T2207/20084G06F18/24G06T5/70
Inventor 马岚赵迪李松南俞大海
Owner TCL CORPORATION
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