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CN-122024603-A - Display abnormality detection method, display abnormality detection device, electronic device and readable storage medium

CN122024603ACN 122024603 ACN122024603 ACN 122024603ACN-122024603-A

Abstract

The application discloses a display abnormality detection method, a display abnormality detection device, electronic equipment and a readable storage medium, and belongs to the technical field of information display. The method comprises the steps of obtaining monitoring data of a display link and an abnormality judgment rule base, wherein the monitoring data comprise a backlight control signal sequence and an image frame sequence, the abnormality judgment rule base comprises at least one backlight control abnormal mode and at least one image rendering abnormal mode, matching the backlight control signal sequence with the backlight abnormal mode to obtain a first matching result, matching the image frame sequence with the image rendering abnormal mode to obtain a second matching result, and outputting and displaying an abnormality detection report based on the first matching result and the second matching result.

Inventors

  • WEN YIAN

Assignees

  • 维沃移动通信有限公司

Dates

Publication Date
20260512
Application Date
20260214

Claims (10)

  1. 1. A display abnormality detection method, characterized by comprising: acquiring monitoring data of a display link and an abnormality judgment rule base, wherein the monitoring data comprises a backlight control signal sequence and an image frame sequence; matching the backlight control signal sequence with the backlight abnormal mode to obtain a first matching result; matching the image frame sequence with the image rendering abnormal mode to obtain a second matching result; and outputting and displaying an abnormality detection report based on the first matching result and the second matching result.
  2. 2. The method of claim 1, wherein the matching the backlight control signal sequence with the backlight abnormality pattern to obtain a first matching result comprises: if the backlight starting instruction is not analyzed from the backlight control signal sequence within the preset waiting time length of the bright screen, the first matching result is obtained as an abnormal result.
  3. 3. The method of claim 1, wherein the matching the backlight control signal sequence with the backlight abnormality pattern to obtain a first matching result comprises: Extracting continuous backlight brightness values from the backlight control signal sequence within a preset analysis time window; if the extracted backlight brightness value shows an alternating trend, the first matching result is obtained as an abnormal result, wherein the alternating trend comprises a trend of increasing before decreasing or decreasing before increasing, or If the difference value of adjacent values in the extracted backlight brightness values is larger than a preset backlight mutation threshold value, the first matching result is obtained as an abnormal result.
  4. 4. The method according to claim 1, wherein said matching the image frame sequence with the image rendering anomaly pattern to obtain a second matching result comprises: acquiring a color transformation matrix applied to any image frame in the image frame sequence; And if the color transformation matrix is a matrix with zero values of all elements, obtaining the second matching result as an abnormal result.
  5. 5. The method according to claim 1, wherein said matching the image frame sequence with the image rendering anomaly pattern to obtain a second matching result comprises: Acquiring gray distribution statistical data of each of a plurality of continuous image frames within a preset analysis period; Calculating a gray scale representation value of each image frame based on the gray scale distribution statistical data; If the gray scale representation values of three continuous image frames show an alternating trend, and the difference value between the gray scale representation value of the middle frame and the gray scale representation values of the frames before and after the middle frame is larger than a preset gray scale jump threshold value, obtaining the second matching result as an abnormal result.
  6. 6. The method of claim 1, wherein the monitoring data further comprises a screen status signal from a hardware layer, the method further comprising: transmitting a state query instruction to a display panel of a hardware layer through a display driver of a kernel layer in a preset period; receiving and analyzing a status register return value from the display panel to obtain the screen status signal; and comparing the screen state signal with a preset normal state range to obtain a third matching result.
  7. 7. The method of claim 1, wherein the monitoring data further comprises an underlying state parameter related to display link health, wherein the underlying state parameter comprises a fence timeout identification related to graphics buffer synchronization state obtained from a graphics layer synthesizer or hardware synthesizer of a frame layer, and a direct memory access leak identification related to graphics data handling channel health obtained from a kernel layer; the method further comprises the steps of: and comparing the bottom layer state parameter with a preset abnormal mode to obtain a fourth matching result.
  8. 8. A display abnormality detecting apparatus, characterized by comprising: The system comprises an acquisition module, an abnormality judgment rule base, a display module and a display module, wherein the acquisition module is used for acquiring monitoring data of a display link and the abnormality judgment rule base, wherein the monitoring data comprises a backlight control signal sequence and an image frame sequence; the first matching module is used for matching the time sequence characteristics and the numerical characteristics in the backlight control signal sequence with the backlight abnormal mode to obtain a first matching result; the second matching module is used for matching the content characteristics and the state characteristics in the image frame sequence with the image rendering abnormal mode to obtain a second matching result; And the output module is used for outputting and displaying an abnormality detection report based on the first matching result and the second matching result.
  9. 9. An electronic device comprising a processor and a memory storing a program or instructions executable on the processor, which when executed by the processor, implement the steps of the display anomaly detection method of any one of claims 1 to 7.
  10. 10. A readable storage medium, wherein a program or instructions are stored on the readable storage medium, which when executed by the processor, implement the steps of the display abnormality detection method according to any one of claims 1 to 7.

Description

Display abnormality detection method, display abnormality detection device, electronic device and readable storage medium Technical Field The application belongs to the technical field of information display, and particularly relates to a display abnormality detection method, a display abnormality detection device, electronic equipment and a readable storage medium. Background With the popularization of electronic devices and the rapid development of display technologies, users have put higher demands on the visual experience and stability of the devices. The abnormal display of the screen such as screen flashing and screen blacking directly influences the use perception of the user and the reliability of the product. The abnormal display links are long, fault points are hidden, and most problems have low recurrence probability under the factory standard test environment and are triggered only under the condition of the use field Jing Yan or the specific condition, so that the traditional quality control links are difficult to cover comprehensively. At present, detection and processing of display anomalies such as screen flashing and screen blacking in the industry mainly depend on in-factory testing in a research and development stage and user market feedback after marketing. The in-plant test is usually carried out in a controlled environment, so that the combination of all software and hardware in the actual use of a user is difficult to simulate, the market feedback belongs to the passive response after the fact, and the period from the occurrence of a problem to the collection of feedback, positioning of reasons and pushing out of a repairing scheme is long. Therefore, the detection efficiency of display abnormality is low. Disclosure of Invention The embodiment of the application aims to provide a display abnormality detection method, a display abnormality detection device, electronic equipment and a readable storage medium, which can solve the problem of low detection efficiency of display abnormality. In a first aspect, an embodiment of the present application provides a display abnormality detection method, including: Acquiring monitoring data of a display link and an abnormality judgment rule base, wherein the monitoring data comprises a backlight control signal sequence and an image frame sequence; Matching the backlight control signal sequence with the backlight abnormal mode to obtain a first matching result; matching the image frame sequence with the image rendering abnormal mode to obtain a second matching result; and outputting and displaying an abnormality detection report based on the first matching result and the second matching result. In a second aspect, an embodiment of the present application provides a display abnormality detection apparatus, including: The system comprises an acquisition module, an abnormality judgment rule base, a display module and a display module, wherein the acquisition module is used for acquiring monitoring data of a display link and the abnormality judgment rule base, wherein the monitoring data comprises a backlight control signal sequence and an image frame sequence; The first matching module is used for matching the time sequence characteristics and the numerical characteristics in the backlight control signal sequence with the backlight abnormal mode to obtain a first matching result; The second matching module is used for matching the content characteristics and the state characteristics in the image frame sequence with the image rendering abnormal mode to obtain a second matching result; and the output module is used for outputting and displaying an abnormality detection report based on the first matching result and the second matching result. In a third aspect, an embodiment of the present application provides an electronic device comprising a processor and a memory storing a program or instructions executable on the processor, which when executed by the processor, implement the steps of the method as described in the first aspect. In a fourth aspect, embodiments of the present application provide a readable storage medium having stored thereon a program or instructions which when executed by a processor perform the steps of the method according to the first aspect. In a fifth aspect, an embodiment of the present application provides a chip, where the chip includes a processor and a communication interface, where the communication interface is coupled to the processor, and where the processor is configured to execute a program or instructions to implement a method according to the first aspect. In a sixth aspect, embodiments of the present application provide a computer program product stored in a storage medium, the program product being executable by at least one processor to implement the method according to the first aspect. In the embodiment of the application, monitoring data and an abnormality judgment rule base of a display link are obtained,