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Method, device, electronic device, and readable storage medium for detecting dust on screen

A dust and screen technology, applied in the field of control, can solve the problems of affecting the dust detection effect, taking a long time, and reducing the detection efficiency, and achieve the effect of improving the detection accuracy, shortening the consumption time, and high detection efficiency.

Active Publication Date: 2022-01-14
BOE TECH GRP CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In related technologies, equipment such as microscopes and translation stages are usually used to shoot multiple times on the screen with dust, and use multiple images to determine the position of the dust, which takes a long time and reduces the detection efficiency
Moreover, during the shooting process, objects around the screen will enter the field of view of the camera device, which will affect the dust detection effect

Method used

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  • Method, device, electronic device, and readable storage medium for detecting dust on screen
  • Method, device, electronic device, and readable storage medium for detecting dust on screen
  • Method, device, electronic device, and readable storage medium for detecting dust on screen

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Embodiment Construction

[0075] Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numerals in different drawings refer to the same or similar elements unless otherwise indicated. The implementations described in the following exemplary examples do not represent all implementations consistent with the present invention. Rather, they are merely examples of apparatuses and methods consistent with aspects of the invention as recited in the appended claims.

[0076] At present, in the process of producing LCD screens, if there is dust on the LCD screen, the dust will affect the defect detection of the subsequent screens. To this end, it is necessary to carry out dust detection on the LCD screen. In the related art, equipment such as a microscope and a translation stage are usually used to shoot a screen with dust multiple times, and use multiple ima...

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Abstract

The invention relates to a method, device, electronic equipment and readable storage medium for detecting dust on a screen. A method for detecting dust on a screen, comprising: obtaining a first image of a screen to be detected displaying a first preset pattern; using a pre-acquired mask image to determine a dust detection area in the first image; obtaining the dust Detects the location of dust in the area. In this embodiment, at most two images can be used to determine the position of the dust on the screen, which consumes less time and has higher detection efficiency. Moreover, in this embodiment, the mask image can be used to block objects around the screen that are photographed due to the large field of view of the camera, and only the screen area is detected, which can improve detection accuracy.

Description

technical field [0001] The invention relates to the field of control technology, in particular to a method, device, electronic equipment and readable storage medium for detecting dust on a screen. Background technique [0002] At present, in the process of producing LCD screens, if there is dust on the LCD screen, the dust will affect the defect detection of the subsequent screens. To this end, it is necessary to carry out dust detection on the LCD screen. In the related art, equipment such as a microscope and a translation stage are usually used to shoot a screen with dust multiple times, and use multiple images to determine the position of the dust, which takes a long time and reduces the detection efficiency. Moreover, during the shooting process, objects around the screen will enter the field of view of the camera device, which will affect the dust detection effect. Contents of the invention [0003] The invention provides a method, device, electronic equipment, and ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06T7/00G06T7/11G06T7/12G06T7/155
CPCG01N21/94G06T7/0004G06T7/12G06T7/174G06T2207/30121G06T7/149G06T7/11G06T7/0002
Inventor 刘小磊王云奇楚明磊陈丽莉张浩
Owner BOE TECH GRP CO LTD