CN111855155B - Detection method and detection device for display fault and readable storage medium - Google Patents
Detection method and detection device for display fault and readable storage medium Download PDFInfo
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- CN111855155B CN111855155B CN202010715704.2A CN202010715704A CN111855155B CN 111855155 B CN111855155 B CN 111855155B CN 202010715704 A CN202010715704 A CN 202010715704A CN 111855155 B CN111855155 B CN 111855155B
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Abstract
The application provides a detection method, a detection device and a readable storage medium for display faults, wherein the detection method comprises the following steps: acquiring a target detection node corresponding to the detection instruction and in the image signal processing process; determining a first verification original image corresponding to the target detection node and a first display image displayed at the target detection node; detecting whether the display state of the first display image is a normal display state or not according to the first display image and the first verification original image; and if the display state of the first display image is a normal display state, determining that a fault exists in the image signal processing process before the target detection node. Therefore, the target detection node can be determined by receiving the detection instruction sent by the user, and the signal processing process with the fault is determined according to the display state of the image displayed at the target detection node, so that the reason of the fault can be judged quickly, and the fault detection efficiency is improved.
Description
Technical Field
The present application relates to the field of terminal technologies, and in particular, to a method and an apparatus for detecting a display fault, and a readable storage medium.
Background
With the increase of system functions of the display terminal, the requirement on the stability of the display terminal system is higher and higher. In order to ensure the stability of the terminal product and to consider the life of the terminal product, a large number of pressure tests, including an ac power on/off test, a remote power on/off test, a switching channel test, a high/low temperature test, and the like, are required to be performed in the research and development stage. The tests are characterized by a large number of samples and a long test period, and when random problems occur in the test process, the problem examination and verification take a long time, so that the whole test progress is greatly influenced, and even the development progress of the product is influenced.
In the prior art, in the software architecture development process, as many debugging nodes as possible are added, and it is desirable to record the running state of the whole system, for example: and if an exception occurs in the aging process, the printed error log becomes analysis data. When display abnormity occurs, detection personnel are required to compare the running state of each debugging node with the recorded abnormal running state one by one, the reason of the fault occurrence is analyzed, the detection process is complex, the reason of the fault occurrence is difficult to rapidly judge, and the fault detection efficiency is low.
Disclosure of Invention
In view of the above, an object of the present application is to provide a method, an apparatus and a readable storage medium for detecting a display fault, wherein when a detection instruction is obtained, an image signal processing procedure with a fault is determined according to a display state of a display image at a detection node corresponding to the detection instruction, so as to quickly analyze a fault cause and improve fault detection efficiency.
The application mainly comprises the following aspects:
in a first aspect, an embodiment of the present application provides a method for detecting a display fault, where the method includes:
acquiring a target detection node corresponding to a detection instruction and in an image signal processing process, wherein the image signal processing process comprises a plurality of detection nodes, and the detection nodes comprise the target detection node;
determining a first verification original image corresponding to the target detection node and a first display image displayed at the target detection node;
detecting whether the display state of the first display image is a normal display state or not according to the first display image and the first verification original image;
and if the display state of the first display image is a normal display state, determining that a fault exists in the image signal processing process before the target detection node.
In a possible implementation manner, before acquiring a target detection node corresponding to the detection instruction in the image signal processing process, the detection method further includes:
dividing the image signal processing process into a plurality of detection phases;
and setting detection nodes between every two adjacent detection stages in the image signal processing process, and acquiring the original verification image corresponding to each detection node.
In one possible embodiment, the detection stage includes one or more of signal identification, signal pre-processing, signal scaling processing, and signal generation processing.
In a possible implementation manner, the determining that there is a fault in the image signal processing process before the target detection node if the display state of the first display image is a normal display state includes:
if the display state of the first display image is a normal display state, determining a second calibration image corresponding to a previous detection node adjacent to the target detection node and a second display image displayed at the previous detection node adjacent to the target detection node;
detecting whether the display state of the second display image is a normal display state or not according to the second display image and the second verification original image;
And if the display state of the second display image is an abnormal display state, determining that a fault exists in the image signal processing process from the target detection node to the previous detection node adjacent to the target detection node.
In one possible embodiment, after the detecting whether the display state of the first display image is a normal display state, the detecting method further includes:
and if the display state of the first display image is an abnormal display state, determining that a fault exists in the image signal processing process after the target detection node.
In a possible implementation manner, the determining that there is a fault in the image signal processing process after the target detection node if the display state of the first display image is an abnormal display state includes:
if the display state of the first display image is an abnormal display state, determining a third verification original image corresponding to a next detection node adjacent to the target detection node and a third display image at the next detection node adjacent to the target detection node;
detecting whether the display state of the third display image is a normal display state or not according to the third display image and the third verification original image;
And if the display state of the third display image is a normal display state, determining that a fault exists in the image signal processing process from the target detection node to the next detection node adjacent to the target detection node.
In a second aspect, an embodiment of the present application provides a detection apparatus for displaying a fault, where the detection apparatus includes:
the system comprises an acquisition module, a processing module and a processing module, wherein the acquisition module is used for acquiring a target detection node corresponding to a detection instruction and in an image signal processing process, the image signal processing process comprises a plurality of detection nodes, and the detection nodes comprise the target detection node;
the display image determining module is used for determining a first verification original image corresponding to the target detection node and a first display image displayed at the target detection node;
the state detection module is used for detecting whether the display state of the first display image is a normal display state or not according to the first display image and the first verification original image;
and the fault determining module is used for determining that a fault exists in the image signal processing process before the target detection node if the display state of the first display image is a normal display state.
In a possible implementation, the detection device further includes:
the stage division module is used for dividing the image signal processing process into a plurality of detection stages;
and the node setting module is used for setting detection nodes between every two adjacent detection stages in the image signal processing process and acquiring the original verification image corresponding to each detection node.
In one possible embodiment, the detection stage includes one or more of signal identification, signal pre-processing, signal scaling processing, and signal generation processing.
In a possible implementation manner, when the failure determination module is configured to determine that there is a failure in an image signal processing process before the target detection node if the display state of the first display image is a normal display state, the first failure determination module is specifically configured to:
if the display state of the first display image is a normal display state, determining a second calibration image corresponding to a previous detection node adjacent to the target detection node and a second display image displayed at the previous detection node adjacent to the target detection node;
detecting whether the display state of the second display image is a normal display state or not according to the second display image and the second verification original image;
And if the display state of the second display image is an abnormal display state, determining that a fault exists in the image signal processing process from the target detection node to the previous detection node adjacent to the target detection node.
In a possible embodiment, the detection device further comprises:
and the determining module is used for determining that a fault exists in the image signal processing process after the target detection node if the display state of the first display image is an abnormal display state.
In a possible implementation manner, when the determining module is configured to determine that there is a fault in an image signal processing process after the target detection node if the display state of the first display image is an abnormal display state, the determining module is specifically configured to:
if the display state of the first display image is an abnormal display state, determining a third verification original image corresponding to a next detection node adjacent to the target detection node and a third display image at the next detection node adjacent to the target detection node;
detecting whether the display state of the third display image is a normal display state or not according to the third display image and the third verification original image;
And if the display state of the third display image is a normal display state, determining that a fault exists in the image signal processing process from the target detection node to the next detection node adjacent to the target detection node.
In a third aspect, an embodiment of the present application provides an electronic device, including: a processor, a memory and a bus, the memory storing machine-readable instructions executable by the processor, the processor and the memory communicating via the bus when the electronic device is running, the machine-readable instructions when executed by the processor performing the steps of a method of detecting display faults as described in the first aspect or any one of the possible embodiments of the first aspect.
In a fourth aspect, the present application provides a computer-readable storage medium, on which a computer program is stored, where the computer program is executed by a processor to perform the steps of the method for detecting display faults as described in the first aspect or any one of the possible implementation manners of the first aspect.
According to the detection method, the detection device and the readable storage medium for displaying the fault, a target detection node corresponding to a detection instruction and in an image signal processing process is obtained, wherein the image signal processing process comprises a plurality of detection nodes, and the detection nodes comprise the target detection node; determining a first verification original image corresponding to the target detection node and a first display image displayed at the target detection node; detecting whether the display state of the first display image is a normal display state or not according to the first display image and the first verification original image; and if the display state of the first display image is a normal display state, determining that a fault exists in the image signal processing process before the target detection node. Therefore, the target detection node can be determined by receiving the detection instruction sent by the user, and the signal processing process with the fault is determined according to the display state of the image displayed at the target detection node, so that the reason of the fault can be judged quickly, and the fault detection efficiency is improved.
In order to make the aforementioned objects, features and advantages of the present application comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.
FIG. 1 is a flowchart illustrating a method for detecting a display fault according to an embodiment of the present disclosure;
FIG. 2 is a flow chart illustrating a method for detecting display faults according to another embodiment of the present application;
FIG. 3 is a schematic diagram illustrating detection stages in an image signal processing process according to an embodiment of the present disclosure;
FIG. 4 is a schematic structural diagram of a fault detection device provided in an embodiment of the present application;
fig. 5 is a second schematic structural diagram of a fault detection device provided in an embodiment of the present application;
Fig. 6 shows a schematic structural diagram of an electronic device provided in an embodiment of the present application.
Detailed Description
In order to make the objects, 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 with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all the embodiments. The components of the embodiments of the present application, as generally described and illustrated in the figures herein, could be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present application, as presented in the figures, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. Every other embodiment that can be obtained by a person skilled in the art without making creative efforts based on the embodiments of the present application falls within the protection scope of the present application.
First, an application scenario to which the present application is applicable will be described. The method and the device can be applied to the technical field of terminals, and the terminals comprise terminal equipment with a display function, such as televisions, notebooks and the like. In order to ensure the stability and the service life of the terminal equipment, a large amount of tests need to be carried out in the product development stage, and the running states of all debugging nodes when a system fails are recorded by adding a plurality of debugging nodes in the software architecture development.
When the display of the terminal is abnormal, the detection personnel needs to compare the running state of each debugging node with the recorded abnormal running state of the debugging node when the terminal is in fault one by one to analyze the reason of the fault, the detection process is complex, the reason of the abnormal fault is difficult to rapidly judge, and the fault detection efficiency is low.
Based on this, the embodiment of the application provides a method for detecting a display fault, so that when the display fault occurs in a terminal, a signal processing process with the fault is quickly determined, and the fault detection efficiency is improved.
Referring to fig. 1, fig. 1 is a flowchart illustrating a method for detecting a display fault according to an embodiment of the present disclosure. As shown in fig. 1, a detection method provided in an embodiment of the present application includes:
s101, target detection nodes corresponding to detection instructions and in an image signal processing process are obtained, wherein the image signal processing process comprises a plurality of detection nodes, and the detection nodes comprise the target detection nodes.
In a specific implementation, the display terminal comprises a signal processing device and a display screen, and the signal processing device is connected with the display screen through a data transmission line. The image signal is input into the signal processing device, is output from an output port of the image signal processing device after being subjected to image signal processing processes such as signal identification, signal preprocessing, signal scaling processing, signal generation processing and the like, and is displayed on a display screen. In the development architecture of the software of the signal processing device, a plurality of detection nodes can be set in the image signal processing process, when an image on a display screen is abnormal, a detection instruction is input, and a detection target detection node is determined based on the input detection instruction.
The detection nodes included in the image signal processing process can respectively correspond to different detection instructions, so that the target detection node can be rapidly determined according to the detection instructions.
S102, determining a first verification original image corresponding to the target detection node and a first display image displayed at the target detection node.
In specific implementation, the original verification image is stored in a preset storage area, and the corresponding relation between the detection node and the original verification image is determined. After receiving the detection instruction, reading the image data of the corresponding first verification original image at the target detection node, and displaying a first display image on the display screen after the image data passes through the image signal processing process after the target detection node.
The first display image can be intercepted by screen intercepting software, and the first display image displayed by the display screen can also be collected by shooting equipment.
And S103, detecting whether the display state of the first display image is a normal display state or not according to the first display image and the first verification original image.
In a specific implementation, the first display image determined in S102 is compared with the first verification original image corresponding to the target detection node, specifically, the color, pattern, brightness, saturation, and the like of the first display image and the first verification original image may be compared, and whether the display state of the first display image is a normal state is determined according to the comparison result. After the first display image is determined, options which can be selected by a user are displayed on the display screen, wherein the options comprise a normal display state and an abnormal display state, the user selects the corresponding option by judging the display condition of the first display image, and the display state of the first display image is determined based on the option selected by the user.
And S104, if the display state of the first display image is a normal display state, determining that a fault exists in the image signal processing process before the target detection node.
In a specific implementation, the image data of the first verification image corresponding to the target detection node passes through the image signal processing process after the target detection node but does not pass through the image signal processing process before the target detection node, and when there is a fault in the image signal processing process, if the display state of the first display image is a normal display state, it may be determined that there is a fault in the image signal processing process before the target detection node.
According to the detection method for the display fault, a target detection node corresponding to a detection instruction and in an image signal processing process is obtained, wherein the image signal processing process comprises a plurality of detection nodes, and the detection nodes comprise the target detection node; determining a first verification original image corresponding to the target detection node and a first display image displayed at the target detection node; detecting whether the display state of the first display image is a normal display state or not according to the first display image and the first verification original image; and if the display state of the first display image is a normal display state, determining that a fault exists in the image signal processing process before the target detection node. Therefore, the target detection node can be determined by sending a detection instruction by a user, and the signal processing process with the fault can be determined according to the display state of the image displayed at the target detection node, so that the reason for the fault can be judged quickly, and the fault detection efficiency can be improved.
Referring to fig. 2, fig. 2 is a flowchart illustrating a method for detecting a display fault according to another embodiment of the present application. As shown in fig. 2, a detection method provided in an embodiment of the present application includes:
s201, the image signal processing process is divided into a plurality of detection stages.
In a specific implementation, the division method of the detection stage may be performed according to the characteristics and frequency structure of the image signal in the signal processing process, or may be performed according to the function.
In the embodiment of the present application, as an optional embodiment, the detection stage includes one or more of signal identification, signal preprocessing, signal scaling processing, and signal generation processing.
S202, setting detection nodes between every two adjacent detection stages in the image signal processing process, and acquiring a verification original image corresponding to each detection node.
In a specific implementation, as shown in fig. 3, a signal processing process of inputting a signal to a display screen is divided into 4 detection stages, i.e., signal identification, signal preprocessing, signal scaling processing and signal generation processing, and a detection node is disposed between every two adjacent detection stages, e.g., a detection node 2 is disposed between signal identification and signal preprocessing, and a verification original image corresponding to each detection node is obtained, where the verification original image includes a half-gray-scale half-color bar image, a half-gray-scale half-color bar right-twill image, a gray-scale color bar square image, and each detection node in the image signal processing process may respectively correspond to different verification original images.
Here, the positions of the detection nodes and the number of the detection nodes in each two adjacent detection stages may be set according to actual needs.
S203, acquiring a target detection node corresponding to the detection instruction and in the image signal processing process, wherein the image signal processing process comprises a plurality of detection nodes, and the detection nodes comprise the target detection node.
S204, determining a first verification original image corresponding to the target detection node and a first display image displayed at the target detection node.
S205, detecting whether the display state of the first display image is a normal display state according to the first display image and the first verification original image.
And S206, if the display state of the first display image is a normal display state, determining that a fault exists in the image signal processing process before the target detection node.
The descriptions of S203 to S206 may refer to the descriptions of S101 to S104, and the same technical effects can be achieved, which are not described in detail.
In this embodiment, as an optional embodiment, if the display state of the first display image is a normal display state in S206, it is determined that a fault exists in the image signal processing process before the target detection node, including the following steps:
Step a11, if the display state of the first display image is a normal display state, determining a second calibration image corresponding to a previous detection node adjacent to the target detection node and a second display image displayed at the previous detection node adjacent to the target detection node.
For example, taking fig. 3 as an example, assuming that the target detection node is the detection node 3, if the first display image at the detection node 3 is in a normal display state, the second verification image corresponding to the detection node 2 is read at the detection node 2 to obtain an image signal of the second verification image, and the image signal is subjected to a signal processing process after passing through the detection node 2, so as to present the second display image on the display screen.
Step a12 is performed to detect whether the display state of the second display image is a normal display state based on the second display image and the second verification original image.
For example, according to the above exemplary case, the second display image and the second calibration image are compared, specifically, the color, pattern, brightness, saturation, and the like of the second display image and the second calibration image may be compared, and whether the display state of the second display image is the normal state may be determined according to the comparison result.
Step a13, if the display state of the second display image is an abnormal display state, determining that there is a fault in the image signal processing process from the target detection node to the previous detection node adjacent to the target detection node.
For example, if the display state of the second display image is an abnormal display state, it is determined that there is a failure in the image signal processing process (i.e., the signal preprocessing stage) between the detection node 2 and the detection node 3.
In this embodiment, as an optional embodiment, after detecting whether the display state of the first display image is a normal display state in S205, the detection method further includes:
and S207, if the display state of the first display image is an abnormal display state, determining that a fault exists in the image signal processing process after the target detection node.
In a specific implementation, taking fig. 3 as an example, assuming that a target detection node is the detection node 3, if the first display image at the detection node 3 is in an abnormal display state, it is determined that there is a fault in the image signal processing process after the detection node 3.
In this embodiment, as an optional embodiment, if the display state of the first display image is an abnormal display state in S207, it is determined that a fault exists in the image signal processing process after the target detection node, and the method includes the following steps:
Step a21, if the display state of the first display image is an abnormal display state, determining a third verification original image corresponding to a next detection node adjacent to the target detection node and a third display image at the next detection node adjacent to the target detection node.
Illustratively, according to the above example, when the first display image at the detection node 3 is in an abnormal display state, the third verification original image corresponding to the detection node 4 is read at the detection node 4 to obtain an image signal of the third verification original image, and the image signal of the third verification original image is subjected to a signal processing process after passing through the detection node 4, so as to present the third display image on the display screen.
Step a22, detecting whether the display state of the third display image is a normal display state based on the third display image and the third verification original image.
For example, the third display image is compared with the third verification original image corresponding to the detection node 4, specifically, the color, pattern, brightness, saturation, and the like of the third display image and the third verification original image may be compared, and whether the display state of the third display image is a normal state may be determined according to the comparison result.
Step a23, if the display state of the third display image is a normal display state, determining that there is a fault in the image signal processing process from the target detection node to the next detection node adjacent to the target detection node.
For example, if the display state of the third display image is the normal display state, it is determined that there is a failure in the image signal processing process (i.e., the signal scaling processing stage) between the detection node 3 and the detection node 4.
According to the detection method for the display fault, the image signal processing process is divided into a plurality of detection stages; setting detection nodes between every two adjacent detection stages in the image signal processing process, and acquiring a verification original image corresponding to each detection node; acquiring a target detection node corresponding to a detection instruction and in an image signal processing process, wherein the image signal processing process comprises a plurality of detection nodes, and the detection nodes comprise the target detection node; determining a first verification original image corresponding to the target detection node and a first display image displayed at the target detection node; detecting whether the display state of the first display image is a normal display state or not according to the first display image and the first verification original image; and if the display state of the first display image is a normal display state, determining that a fault exists in the image signal processing process before the target detection node. Therefore, the target detection node can be determined by receiving the detection instruction sent by the user, and the signal processing process with the fault is determined according to the display state of the image displayed at the target detection node, so that the reason of the fault can be judged quickly, and the fault detection efficiency is improved.
Referring to fig. 4 and 5, fig. 4 is a schematic structural diagram illustrating a fault detection apparatus according to an embodiment of the present disclosure; fig. 5 shows a second schematic structural diagram of a detection apparatus for displaying a fault according to an embodiment of the present application. As shown in fig. 4, the detection apparatus 400 includes:
an obtaining module 410, configured to obtain a target detection node corresponding to a detection instruction and in an image signal processing process, where the image signal processing process includes multiple detection nodes, and the detection nodes include the target detection node;
a display image determining module 420, configured to determine a first verification original image corresponding to the target detection node and a first display image displayed at the target detection node;
a state detection module 430, configured to detect whether a display state of the first display image is a normal display state according to the first display image and the first verification original image;
a failure determining module 440, configured to determine that a failure exists in an image signal processing process before the target detection node if the display state of the first display image is a normal display state.
In this embodiment of the present application, as an alternative embodiment, as shown in fig. 5, the detecting device 400 further includes:
A stage division module 450 for dividing the image signal processing process into a plurality of detection stages;
the node setting module 460 is configured to set a detection node between every two adjacent detection stages in the image signal processing process, and obtain an original verification image corresponding to each detection node.
In the embodiment of the present application, as an optional embodiment, the detection stage includes one or more of signal identification, signal preprocessing, signal scaling processing, and signal generation processing.
In this embodiment, as an optional embodiment, when the fault determining module 440 is configured to determine that there is a fault in an image signal processing process before the target detection node if the display state of the first display image is a normal display state, the first fault determining module 440 is specifically configured to:
if the display state of the first display image is a normal display state, determining a second calibration image corresponding to a previous detection node adjacent to the target detection node and a second display image displayed at the previous detection node adjacent to the target detection node;
detecting whether the display state of the second display image is a normal display state or not according to the second display image and the second verification original image;
And if the display state of the second display image is an abnormal display state, determining that a fault exists in the image signal processing process from the target detection node to the previous detection node adjacent to the target detection node.
In this embodiment of the present application, as an optional embodiment, the detecting apparatus 400 further includes:
and a determining module (not shown in the figure) configured to determine that a fault exists in an image signal processing process after the target detection node if the display state of the first display image is an abnormal display state.
In this embodiment, as an optional embodiment, when the determining module is configured to determine that there is a fault in an image signal processing process after the target detection node if the display state of the first display image is an abnormal display state, the determining module is specifically configured to:
if the display state of the first display image is an abnormal display state, determining a third verification original image corresponding to a next detection node adjacent to the target detection node and a third display image at the next detection node adjacent to the target detection node;
detecting whether the display state of the third display image is a normal display state or not according to the third display image and the third verification original image;
And if the display state of the third display image is a normal display state, determining that a fault exists in the image signal processing process from the target detection node to the next detection node adjacent to the target detection node.
The detection device for displaying the fault comprises an acquisition module, a display image determination module, a state detection module and a fault determination module; acquiring a target detection node corresponding to a detection instruction and in an image signal processing process through an acquisition module, wherein the image signal processing process comprises a plurality of detection nodes, and the detection nodes comprise the target detection node; the display image determining module determines a first verification original image corresponding to the target detection node and a first display image displayed at the target detection node; the state detection module detects whether the display state of the first display image is a normal display state according to the first display image and the first verification original image; and if the display state of the first display image is a normal display state, determining that a fault exists in the image signal processing process before the target detection node by using a fault determining module. Therefore, the target detection node can be determined by receiving the detection instruction sent by the user, and the signal processing process with the fault is determined according to the display state of the image displayed at the target detection node, so that the reason of the fault can be judged quickly, and the fault detection efficiency is improved.
Referring to fig. 6, fig. 6 is a schematic structural diagram of an electronic device according to an embodiment of the present disclosure. As shown in fig. 6, the electronic device 600 includes a processor 610, a memory 620, and a bus 630.
The memory 620 stores machine-readable instructions executable by the processor 610, when the electronic device 600 runs, the processor 610 communicates with the memory 620 through the bus 630, and when the machine-readable instructions are executed by the processor 610, the steps of the method for detecting a display failure in the method embodiments shown in fig. 1 and fig. 2 may be executed.
An embodiment of the present application further provides a computer-readable storage medium, where a computer program is stored on the computer-readable storage medium, and when the computer program is executed by a processor, the step of the method for detecting a display fault in the method embodiments shown in fig. 1 and fig. 2 may be executed.
It is clear to those skilled in the art that, for convenience and brevity of description, the specific working processes of the above-described systems, apparatuses and units may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
In the several embodiments provided in the present application, it should be understood that the disclosed system, apparatus and method may be implemented in other ways. The above-described embodiments of the apparatus are merely illustrative, and for example, the division of the units is only one logical division, and there may be other divisions when actually implemented, and for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection of devices or units through some communication interfaces, and may be in an electrical, mechanical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit.
The functions, if implemented in software functional units and sold or used as a stand-alone product, may be stored in a non-transitory computer-readable storage medium executable by a processor. Based on such understanding, the technical solutions of the present application or portions thereof that substantially contribute to the prior art may be embodied in the form of a software product, which is stored in a storage medium and includes several instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the methods described in the embodiments of the present application. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk, an optical disk, or other various media capable of storing program codes.
Finally, it should be noted that: the above-mentioned embodiments are only specific embodiments of the present application, and are used for illustrating the technical solutions of the present application, but not limiting the same, and the scope of the present application is not limited thereto, and although the present application is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: any person skilled in the art can modify or easily conceive the technical solutions described in the foregoing embodiments or equivalent substitutes for some technical features within the technical scope disclosed in the present application; such modifications, changes or substitutions do not depart from the spirit and scope of the exemplary embodiments of the present application, and are intended to be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (8)
1. A detection method for a display failure, the detection method comprising:
acquiring a target detection node corresponding to a detection instruction and in an image signal processing process, wherein the image signal processing process comprises a plurality of detection nodes, and the detection nodes comprise the target detection node;
determining a first verification original image corresponding to the target detection node and a first display image displayed at the target detection node;
detecting whether the display state of the first display image is a normal display state or not according to the first display image and the first verification original image;
if the display state of the first display image is a normal display state, determining that a fault exists in the image signal processing process before the target detection node;
the manner of determining the first display image includes:
reading image data of the first verification original image;
obtaining the first display image through an image signal processing process after the image data passes through the target detection node;
after the detecting whether the display state of the first display image is a normal display state, the detecting method further includes:
If the display state of the first display image is an abnormal display state, determining that a fault exists in the image signal processing process behind the target detection node;
if the display state of the first display image is an abnormal display state, determining that a fault exists in the image signal processing process after the target detection node, including:
if the display state of the first display image is an abnormal display state, determining a third verification original image corresponding to a next detection node adjacent to the target detection node and a third display image at the next detection node adjacent to the target detection node;
detecting whether the display state of the third display image is a normal display state or not according to the third display image and the third verification original image;
and if the display state of the third display image is a normal display state, determining that a fault exists in the image signal processing process from the target detection node to the next detection node adjacent to the target detection node.
2. The detection method according to claim 1, wherein before acquiring a target detection node in an image signal processing process corresponding to the detection instruction, the detection method further comprises:
Dividing an image signal processing process into a plurality of detection stages;
and setting detection nodes between every two adjacent detection stages in the image signal processing process, and acquiring the original verification image corresponding to each detection node.
3. The detection method according to claim 2, wherein the detection phase comprises one or more of signal identification, signal pre-processing, signal scaling processing and signal generation processing.
4. The method according to claim 1, wherein determining that there is a fault in an image signal processing process before the target detection node if the display state of the first display image is a normal display state comprises:
if the display state of the first display image is a normal display state, determining a second calibration image corresponding to a previous detection node adjacent to the target detection node and a second display image displayed at the previous detection node adjacent to the target detection node;
detecting whether the display state of the second display image is a normal display state or not according to the second display image and the second verification original image;
and if the display state of the second display image is an abnormal display state, determining that a fault exists in the image signal processing process from the target detection node to the previous detection node adjacent to the target detection node.
5. A detection apparatus for displaying a failure, characterized in that the detection apparatus is configured to perform the steps of a detection method for displaying a failure according to any one of claims 1 to 4, the detection apparatus comprising:
the system comprises an acquisition module, a processing module and a processing module, wherein the acquisition module is used for acquiring a target detection node corresponding to a detection instruction and in an image signal processing process, the image signal processing process comprises a plurality of detection nodes, and the detection nodes comprise the target detection node;
the display image determining module is used for determining a first verification original image corresponding to the target detection node and a first display image displayed at the target detection node;
the state detection module is used for detecting whether the display state of the first display image is a normal display state or not according to the first display image and the first verification original image;
and the fault determining module is used for determining that a fault exists in the image signal processing process before the target detection node if the display state of the first display image is a normal display state.
6. The detection device according to claim 5, further comprising:
the stage division module is used for dividing the image signal processing process into a plurality of detection stages;
And the node setting module is used for setting detection nodes between every two adjacent detection stages in the image signal processing process and acquiring the original verification image corresponding to each detection node.
7. An electronic device, comprising: processor, memory and bus, the memory storing machine readable instructions executable by the processor, the processor and the memory communicating over the bus when the electronic device is running, the machine readable instructions when executed by the processor performing the steps of a method of detection of display faults as claimed in any one of claims 1 to 4.
8. A computer-readable storage medium, having stored thereon a computer program which, when being executed by a processor, carries out the steps of a method of display failure detection according to any one of claims 1 to 4.
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