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Display screen playing picture anomaly detection method, device and system

An anomaly detection and display screen technology, which is applied in the direction of measuring devices, identification devices, static indicators, etc., can solve the problems of not being able to detect faults in the display screen in real time, and achieve the goal of eliminating interference factors, simple methods, and saving execution procedures Effect

Pending Publication Date: 2020-04-03
XIAN NOVASTAR TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Effectively solve the problem that the existing display screen cannot detect in real time whether there is a fault in the playback screen of the display screen during use

Method used

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  • Display screen playing picture anomaly detection method, device and system
  • Display screen playing picture anomaly detection method, device and system
  • Display screen playing picture anomaly detection method, device and system

Examples

Experimental program
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no. 1 example

[0028] see figure 1 , which is the first embodiment of the present invention, a method for detecting an abnormality of a display screen display screen, comprising the following steps:

[0029] 101. A picture acquisition step, acquiring periodically captured on-site pictures, where the on-site pictures include playback pictures of a target display screen.

[0030] When performing anomaly detection on the playback screen of the target display screen, it is necessary to obtain the playback screen of the target display screen in real time. The target display screen can play its content normally. For example, a camera device is used to periodically obtain live images of the target display screen. For example, the period is set to 1 Acquire an on-site image of the target display screen every minute, and the on-site image also includes the surrounding environment information of the target display screen installation location, or the occluder in front of the target display screen, for...

no. 2 example

[0052] see Figure 5 , The second embodiment of the present invention provides a device for detecting abnormality of a display screen playback screen, the detection device 10 includes a screen acquisition module 11 , an image extraction module 12 , a detection analysis module 13 and a fault notification module 14 .

[0053] Wherein the picture acquisition module 11 is used to obtain the on-site picture of periodical shooting, and described on-site picture comprises the playing picture of target display screen, has been described in detail for the first embodiment of on-site picture; Image extraction module 12 is used for acquiring from described picture In the live picture obtained in module 11, images are extracted according to the target area to obtain multiple consecutive detection images, and the contents of every two adjacent detection images in the continuous multiple detection images are different, and the target area is located in the In the area where the playing pict...

no. 3 example

[0065] Referring to FIG. 9 , it is a third embodiment of the present invention, which provides a system for detecting abnormality of display screen playback images. The detection system 20 includes a cloud server 21, and the cloud server 21 is connected to at least one camera 22, and a target display The screen 23 is set corresponding to one camera 22 . Wherein the camera 22 is used to periodically acquire the live picture that contains the play picture of the target display screen 23, and transmit the live picture remotely to the cloud server 21 through the network, and the cloud server 21 realizes the display screen play picture abnormality detection method of the above-mentioned first embodiment , or the cloud server 21 has the device for detecting abnormality of the display screen playing picture in the above-mentioned second embodiment.

[0066] In one embodiment, the abnormality detection system 20 of the display screen playback screen includes, for example, a processor ...

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PUM

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Abstract

The embodiment of the invention discloses a display screen playing picture anomaly detection method, device and system. The display screen playing image anomaly detection method comprises the steps of: a surface acquisition step, acquiring a periodically shot field image which comprises a playing image of a target display screen; an image extraction step, continuously extracting images in a targetarea in the field picture, wherein the content of every two adjacent detection images in the plurality of continuous detection images is different, the target area is located in an area where the playing image of the target display screen is located in the field image, and the number of the plurality of continuous detection images is greater than or equal to 3; a detection analysis step, performing image analysis processing on the at least three continuous detection images to judge whether the playing image of the target display screen has a fault or not; and a failure notification step.

Description

technical field [0001] The present invention relates to the technical field of image analysis and video playback picture detection, and in particular to a display screen play picture abnormality detection method, a display screen play picture abnormality detection device and a display screen play picture abnormality detection system. Background technique [0002] At present, the target display screen is widely used, and the target display screen is used to play advertisements, promotional videos and other content. Especially the LED target display, but if the target display fails, such as black blocks, bright blocks, and large-area black screens, if it is not found and resolved in time, it will cause greater losses to users. [0003] The existing LED target display detection method is: the LED target display plays a test picture, the test picture is a solid color picture, and by analyzing the solid color picture displayed on the LED target display, it is known whether the LE...

Claims

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Application Information

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IPC IPC(8): G06T7/00H04N17/04
CPCG06T7/0002H04N17/04G06T2207/30168G06T2207/10016G06T2207/10024G01N2021/9513G09G3/00G01N21/8851G08B5/22G09F9/33
Inventor 孙国力韩丹
Owner XIAN NOVASTAR TECH
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