CN110336998A - Show mainboard detection method, display mainboard detection device and readable storage medium storing program for executing - Google Patents
Show mainboard detection method, display mainboard detection device and readable storage medium storing program for executing Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N17/00—Diagnosis, testing or measuring for television systems or their details
- H04N17/04—Diagnosis, testing or measuring for television systems or their details for receivers
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Abstract
The invention discloses a kind of display mainboard detection methods, this method comprises: extracting feature image when the tested information source channel of tested mainboard shows corresponding pre-set image data；Judge whether the feature image is consistent with default picture；If consistent, determine that the tested information source channel is normal；If inconsistent, determine that the tested information source channel is abnormal.The invention also discloses a kind of display mainboard detection device and readable storage medium storing program for executing.The present invention is directed to improve the efficiency and accuracy of display mainboard detection.
Description
Technical field
The present invention relates to TV detection technique fields, more particularly to display mainboard detection method, display mainboard detection device
And readable storage medium storing program for executing.
Background technique
In order to guarantee the final product quality of the display devices such as TV, before display device assembling, the master to display device is needed
Plate is detected.
Currently, when whether each information source channel in detection display mainboard normal, it is each by manually watching when most
Whether image shown by information source channel has abnormal (such as blank screen, flashing, ghost image), such mode inefficiency, Er Qierong
Influence (such as long-term viewing eye fatigue) vulnerable to human factor causes testing result inaccurate, influences the matter of display device
Amount.
Above content is only used to facilitate the understanding of the technical scheme, and is not represented and is recognized that above content is existing skill
Art.
Summary of the invention
The main purpose of the present invention is to provide a kind of display mainboard detection methods, it is intended to improve the effect of display mainboard detection
Rate and accuracy.
To achieve the above object, the present invention provides a kind of display mainboard detection method, the display mainboard detection method packet
Include following steps:
When the tested information source channel of tested mainboard shows corresponding pre-set image data, feature image is extracted；
Judge whether the feature image is consistent with default picture；
If consistent, determine that the tested information source channel is normal；
If inconsistent, determine that the tested information source channel is abnormal.
Optionally, described when tested information source channel shows corresponding pre-set image data, extract feature image the step of
Before, further includes:
It controls the tested mainboard and current information source channel is switched into the tested information source channel；
It controls the tested information source channel and shows the pre-set image data.
Optionally, before the step of control tested information source channel shows the pre-set image data, further includes:
Judge whether the tested information source channel switches successfully；
When the tested information source channel switches successfully, executes the control tested information source channel and show described preset
The step of image data；
In the tested information source channel handover failure, determine that the tested information source channel is abnormal.
Optionally, current information source channel is switched to the step of the tested information source channel by the control tested mainboard
Suddenly include:
The corresponding channel switching command of the tested information source channel is sent to the tested mainboard, so that the tested mainboard
Channel switching is carried out according to the channel switching command；
It is described to judge that the step of whether tested information source channel switches successfully includes:
Receive the channel status information that the display mainboard is returned based on the channel switching command；
Judge whether tested information source channel switches successfully according to the channel status information.
Optionally, described when tested information source channel shows corresponding pre-set image data, extract feature image the step of
Before, further includes:
It determines information source channel corresponding with the tested information source channel in default qualified mainboard, is target information source channel；
It controls the target information source channel and shows the default picture；
Receive the discrimination instruction that the default picture of the detection based on display returns；
Judge whether the default picture is qualified according to the discrimination instruction；
When the default picture qualification, execution is described when tested information source channel shows corresponding pre-set image data,
The step of extracting feature image；And/or
When the default picture is unqualified, controls the target information source channel and show the pre-set image data；
It receives the picture that the display picture based on the pre-set image data returns and captures instruction；
According to display image of the target information source channel when receiving the picture capture instruction, update described default
Picture.
Optionally, after the step for determining the tested information source channel exception, further includes:
Obtain the lane identification information of the tested information source channel；
According to the lane identification information output abnormality information.
Optionally, the step for judging whether the feature image is consistent with default picture includes:
Compare the similarity of the feature image Yu the default picture；
Judge whether the similarity is greater than or equal to preset threshold；
If the similarity is greater than or equal to the preset threshold, the feature image and the default picture one are determined
It causes；
If the similarity is less than the preset threshold, determine that the feature image and the default picture are inconsistent.
Optionally, the step of extraction feature image includes:
Extract multiple feature images；
The step for judging whether the feature image is consistent with default picture includes:
Judge whether each feature image and the default picture are consistent.
In addition, to achieve the goals above, the application also proposes a kind of display mainboard detection device, the display mainboard inspection
Device is surveyed to include: memory, processor and be stored in the display mainboard that can be run on the memory and on the processor
Program is detected, the display mainboard detection program realizes as above described in any item display mainboard inspections when being executed by the processor
The step of survey method.
In addition, to achieve the goals above, the application also proposes a kind of readable storage medium storing program for executing, on the readable storage medium storing program for executing
It is stored with display mainboard detection program, the display mainboard detection program is realized as above described in any item when being executed by processor
The step of showing mainboard detection method.
A kind of detection method for display mainboard that the embodiment of the present invention proposes, this method pass through tested in tested mainboard
When information source channel shows corresponding pre-set image data, feature image is extracted, feature image is compared and whether default picture is consistent,
The tested information source channel of consistent then judgement is normal, inconsistent then to determine that tested information source channel is abnormal, the method applies image analysis skill
Art substitutes human eye and differentiates to the whether normal machine core of the display image of tested information source channel, avoids artificial unstable factor to master
The influence of the testing result of plate improves display mainboard detection accuracy, while the above method is compared to artificial detection distinguishing speed
Faster, the efficiency of display mainboard detection is improved.
Detailed description of the invention
Fig. 1 is that the invention shows the hardware structural diagrams of one embodiment of mainboard detection device；
Fig. 2 is that the invention shows the flow diagrams of mainboard detection method first embodiment；
Fig. 3 is that the invention shows the flow diagrams of mainboard detection method second embodiment；
Fig. 4 is that the invention shows the flow diagrams of mainboard detection method 3rd embodiment；
Fig. 5 is that the invention shows the flow diagrams of mainboard detection method fourth embodiment；
Fig. 6 is that the invention shows the flow diagrams of the 5th embodiment of mainboard detection method.
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific embodiment
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
The primary solutions of the embodiment of the present invention are: when tested information source channel shows corresponding pre-set image data,
Extract feature image；Judge whether the feature image is consistent with default picture；If consistent, the tested information source channel is determined
Normally；If inconsistent, determine that the tested information source channel is abnormal.
Due in the prior art, when the display situation to each information source channel in display mainboard detects, mostly
By the way of artificial detection, such mode inefficiency and testing result inaccuracy influence the quality of display device.
The present invention provides above-mentioned solution, it is intended to and exempt artificial detection, finds channel abnormal condition in tested mainboard in time,
Improve the efficiency and accuracy of display mainboard detection.
The present invention proposes a kind of display mainboard detection device, can be applied to the mainboard detection of the display devices such as television set, uses
It is whether normal when the corresponding source picture of display of the information source channel in detection display mainboard.
In embodiments of the present invention, referring to Fig.1, display mainboard detection device includes: processor 1001, such as CPU, storage
Device 1002, display screen 1003 etc..Memory 1002 can be high speed RAM memory, be also possible to stable memory (non-
Volatile memory), such as magnetic disk storage.Memory 1002 optionally can also be independently of aforementioned processor 1001
Storage device.
Processor 1001 is communicated to connect with memory 1002, display screen 1003 respectively.It is detected to tested mainboard
When, can tested mainboard and display mainboard detection device communication connection, display mainboard detection device can be sent to tested mainboard and be controlled
System instruction, the image data for being tested required display in mainboard can be shown in display screen 1003.
It will be understood by those skilled in the art that the restriction of the not structure twin installation of apparatus structure shown in Fig. 1, can wrap
It includes than illustrating more or fewer components, perhaps combines certain components or different component layouts.
As shown in Figure 1, as may include display mainboard detection program in a kind of memory 1002 of readable storage medium storing program for executing.
In device shown in Fig. 1, processor 1001 can be used for that the display mainboard stored in memory 1002 is called to detect program, and
Execute the correlation step operation that mainboard detection method is shown in following embodiment.
The present invention also provides a kind of display mainboard detection methods, and just whether the display for the information source channel to display mainboard
Often detected.
Referring to Fig. 2, propose that the invention shows mainboard detection method first embodiment, the display mainboard detection method packets
It includes:
Step S10 extracts characteristic pattern when the tested information source channel of tested mainboard shows corresponding pre-set image data
Piece；
Before step S10, tested mainboard can be connected in display mainboard detection device by USB interface, show mainboard
Detection device can determine whether tested mainboard and show whether the serial communication between mainboard detection device is normal, then executes step if normal
Rapid S10；Serial ports abnormality processing is carried out if abnormal.
Wherein, it is current detected on the tested mainboard for needing to connect with display mainboard detection device for being tested information source channel
Information source channel.Different information source channels can be correspondingly provided with the pre-set image data of various information source.Therefore, it is logical that tested information source can be obtained
The lane identification information in road obtains corresponding pre-set image data according to lane identification information.
Feature image is specially the picture frame for characterizing tested information source channel current display state.Show mainboard display device to
Tested information source channel in tested mainboard inputs pre-set image data, the pre-set image data that tested information source channel can will be inputted
It is shown, pre-set image data can be shown in display screen based on the communication connection of tested mainboard and display mainboard detection device
On 1003.During showing that screen 1003 shows pre-set image data, shown picture frame can be intercepted as characteristic pattern
Piece.
Step S20 judges whether the feature image is consistent with default picture；
If consistent, S30 is thened follow the steps；If inconsistent, S40 is thened follow the steps.
Specifically, step S20 can include:
Step S21 compares the similarity of the feature image Yu the default picture；
Step S22, judges whether the similarity is greater than or equal to preset threshold；
If the similarity is greater than or equal to the preset threshold, S23 is thened follow the steps；If the similarity is less than described
Preset threshold thens follow the steps S24.
The feature image and the default picture are input to the cross-platform computer based on BSD license (open source) distribution
Vision library (opencv open source library)；The similarity of the feature image Yu the default picture is compared by opencv open source library,
The accuracy rate for the comparison result that may make is higher.Preset threshold can be configured according to actual needs, for example, may be configured as
95%.
Step S23 determines that the feature image is consistent with the default picture；
Step S24 determines that the feature image and the default picture are inconsistent.
In addition, corresponding image features in feature image and default picture can be also extracted respectively, when extracted figure
When consistent as characteristic parameter, then determine that feature image is consistent with default picture；When extracted image features are inconsistent,
Then determine that feature image and default picture are inconsistent.
Step S30 determines that the tested information source channel is normal；
Step S40 determines that the tested information source channel is abnormal
It wherein, can be according to the test result for determining the corresponding tested mainboard of result output after step S30 or step S40.
A kind of detection method for display mainboard that the embodiment of the present invention proposes, this method pass through tested in tested mainboard
When information source channel shows corresponding pre-set image data, feature image is extracted, feature image is compared and whether default picture is consistent,
The tested information source channel of consistent then judgement is normal, inconsistent then to determine that tested information source channel is abnormal, the method applies image analysis skill
Art substitutes human eye and differentiates to the whether normal machine core of the display image of tested information source channel, avoids artificial unstable factor to master
The influence of the testing result of plate improves display mainboard detection accuracy, while the above method is compared to artificial detection distinguishing speed
Faster, the efficiency of display mainboard detection is improved.
Further, since multiple information source channels may be present in tested mainboard, in order to be detected to each information source channel,
After step S30 or step S40, executable step S50: by current tested information source channel be updated in tested mainboard it is any not
Detected information source channel returns to step S10, recycles always, until completing the inspection of all information source channels in tested mainboard
Until survey.
Further, it is based on first embodiment, proposes that the application shows mainboard detection method second embodiment.It is real second
It applies in example, before reference Fig. 3, the step S10, further includes:
Step S01 controls tested mainboard for current information source channel and switches to the tested information source channel；
Specifically, the lane identification information of tested information source channel can be obtained, sent out according to lane identification information to tested mainboard
It delivers letters source stack top eject command, the information source channel for being activated tested mainboard currently switches to tested information source channel.
Step S02 controls the tested information source channel and shows the pre-set image data.
Pre-set image data corresponding to tested display channel are inputted to tested information source channel, so that tested information source channel can
Its corresponding pre-set image data is shown.
In the present embodiment, by the above-mentioned means, the Arbitrary Information Sources channel to tested mainboard according to actual needs can be realized
It is detected, so that the detection of mainboard is more convenient.
Further, in a second embodiment, before step S02, further includes:
Step S01a, judges whether the tested information source channel switches successfully；
When the tested information source channel switches successfully, step S02 is executed, in the tested information source channel handover failure
When, execute step S40.
In the present embodiment, by the above-mentioned means, can guarantee that obtained testing result is current based on tested mainboard
It shows generated testing result when information source channel is tested information source channel, avoids due to being tested information source channel handover failure, and
The testing result of mistake is obtained, is further ensured that the accuracy of display mainboard detection.
Further, it is based on above-mentioned second embodiment, proposes that the application shows mainboard detection method 3rd embodiment.?
In three embodiments, include: referring to Fig. 4, step S01
Step S011 sends the corresponding channel switching command of the tested information source channel to the tested mainboard, so that institute
It states tested mainboard and carries out channel switching according to the channel switching command；
The step S01a includes:
Step S012 receives the channel status information that the display mainboard is returned based on the channel switching command；
Step S013 judges whether tested information source channel switches successfully according to the channel status information.
For example, showing that tested information source channel switches successfully when return value is 1 in the channel status information returned, being returned
When return value is 0 in the channel status information returned, show tested information source channel handover failure.
In the present embodiment, can make to show that mainboard test device quickly determines according to channel status information through the above way
Channel switching state in tested mainboard, and according to result progress quick response is determined, to improve the display of display mainboard detection
Efficiency.
Further, it is based on any of the above-described embodiment, proposes that the application shows mainboard detection method fourth embodiment, the
In four embodiments, before reference Fig. 5, step S10 (such as before above-mentioned steps S01), further includes:
Step S001 determines information source channel corresponding with the tested information source channel in default qualified mainboard, believes for target
Source channels；
Default qualification mainboard is that information source channel all on mainboard has been subjected to detection, and determines and show normal mainboard.?
Before being detected to tested mainboard, first default qualified mainboard is connect with display mainboard detection device, it will be on default qualified mainboard
Lane identification information and the consistent information source channel of tested information source channel are as target information source channel.
Step S002 controls the target information source channel and shows the default picture；
Step S003 receives the discrimination instruction that the default picture based on display returns；
Discrimination instruction is testing staff after carrying out artificial detection to default picture corresponding to target information source channel, and institute is defeated
The default picture of judgement entered whether He Ge instruction.
Step S004 judges whether the default picture is qualified according to the discrimination instruction；
When the default picture qualification, the step S10 or step S01, step S02, step S10 are executed；And/or
When the default picture is unqualified, step S005, step S006, step S007 are executed.
Step S005 controls the target information source channel and shows the pre-set image data；
Step S006 receives the picture that the display picture based on the pre-set image data returns and captures instruction；
Capture instruction is testing staff when checking that target information source channel shows the display picture of pre-set image data, confirmation
The picture capture instruction issued after current picture is qualified.
Step S007, according to display image of the target information source channel when receiving the picture capture instruction, more
The new default picture.
By receiving, picture frame substitution shown by the fleeting target information source channel of picture capture instruction is original underproof
Default picture, as new default picture.
Step S10 or step S01, step S02, step S10 are just executed after step S006.
By the above-mentioned means, showing default picture using the information source channel in qualified mainboard and being carried out to default picture
Verification, to guarantee the accuracy of tested mainboard testing result.Wherein, picture is preset in conjunction with desk checking and machine detection is tested
The mode of mainboard is conducive to the accuracy for further increasing tested mainboard testing result.
Further, it is based on any of the above-described embodiment, proposes that the application shows the 5th embodiment of mainboard detection method.?
In five embodiments, referring to Fig. 6, after step S40, further includes:
Step S50 obtains the lane identification information of the tested information source channel；
Different information source channels is correspondingly provided with different lane identification informations in display mainboard.For example, the letter of TV signal
The corresponding lane identification information of source channels is TV, and the corresponding lane identification information of the information source channel of vision signal is AV, high definition letter
Number the corresponding lane identification information of information source channel be HDMI etc..
Step S60, according to the lane identification information output abnormality information.
For example, then can show " HDMI in display screen 1003 when the lane identification information of tested information source channel is HDMI
The exception information of channel appearance exception "；In addition, the number of tested mainboard can also be obtained, according to the number of tested mainboard and its right
The lane identification information answered is associated, and is stored in exception record file；In addition, on the basis of the above, may further determine that by
The Exception Type (such as showing that abnormal or switching is abnormal) for surveying information source channel, Exception Type is added in exception information, for
Testing staff quickly determines the exception of tested mainboard, improves the detection efficiency of display mainboard.
Further, it is based on any of the above-described embodiment, proposes that the application shows mainboard detection method sixth embodiment.?
In six embodiments, the step of extraction feature image, includes:
Step S11 extracts multiple feature images；
The step for judging whether the feature image is consistent with default picture includes:
Step S20a judges whether each feature image and the default picture are consistent.
Wherein, when each feature image and default picture are consistent, then determine that feature image is consistent with default picture；It is in office
When one feature image and default picture are inconsistent, then determine that feature image and default picture are inconsistent.
In the present embodiment, it by extracting the multiple not right of multiple feature images and default picture, is examined to improve mainboard
Survey the accuracy of result.
In addition, the embodiment of the present invention also proposes a kind of readable storage medium storing program for executing, display is stored on the readable storage medium storing program for executing
Mainboard detects program, and the display mainboard detection program realizes any reality of mainboard detection method as indicated above when being executed by processor
Apply the correlation step of example.
It should be noted that, in this document, the terms "include", "comprise" or its any other variant are intended to non-row
His property includes, so that the process, method, article or the system that include a series of elements not only include those elements, and
And further include other elements that are not explicitly listed, or further include for this process, method, article or system institute it is intrinsic
Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including being somebody's turn to do
There is also other identical elements in the process, method of element, article or system.
The serial number of the above embodiments of the invention is only for description, does not represent the advantages or disadvantages of the embodiments.
Through the above description of the embodiments, those skilled in the art can be understood that above-described embodiment side
Method can be realized by means of software and necessary general hardware platform, naturally it is also possible to by hardware, but in many cases
The former is more preferably embodiment.Based on this understanding, technical solution of the present invention substantially in other words does the prior art
The part contributed out can be embodied in the form of software products, which is stored in one as described above
In storage medium (such as ROM/RAM, magnetic disk, CD), including some instructions are used so that terminal device (it can be mobile phone,
Computer, server, television set or network equipment etc.) method described in each embodiment of the present invention is executed, suitable for depositing
It is detected in television information source channel and for the mainboard of Android system.
The above is only a preferred embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair
Equivalent structure or equivalent flow shift made by bright specification and accompanying drawing content is applied directly or indirectly in other relevant skills
Art field, is included within the scope of the present invention.
Claims (10)
1. a kind of display mainboard detection method, which is characterized in that detection method includes the following steps for the display mainboard:
When the tested information source channel of tested mainboard shows corresponding pre-set image data, feature image is extracted；
Judge whether the feature image is consistent with default picture；
If consistent, determine that the tested information source channel is normal；
If inconsistent, determine that the tested information source channel is abnormal.
2. display mainboard detection method as described in claim 1, which is characterized in that described show in tested information source channel corresponds to
Pre-set image data when, extract feature image the step of before, further includes:
It controls the tested mainboard and current information source channel is switched into the tested information source channel；
It controls the tested information source channel and shows the pre-set image data.
3. display mainboard detection method as claimed in claim 2, which is characterized in that the control tested information source channel is aobvious
Before the step of showing the pre-set image data, further includes:
Judge whether the tested information source channel switches successfully；
When the tested information source channel switches successfully, executes the control tested information source channel and show the pre-set image
The step of data；
In the tested information source channel handover failure, determine that the tested information source channel is abnormal.
4. display mainboard detection method as claimed in claim 3, which is characterized in that the control tested mainboard will be current
Information source channel the step of switching to the tested information source channel include:
Send the corresponding channel switching command of the tested information source channel to the tested mainboard so that the tested mainboard according to
The channel switching command carries out channel switching；
It is described to judge that the step of whether tested information source channel switches successfully includes:
Receive the channel status information that the display mainboard is returned based on the channel switching command；
Judge whether tested information source channel switches successfully according to the channel status information.
5. display mainboard detection method as described in claim 1, which is characterized in that described show in tested information source channel corresponds to
Pre-set image data when, extract feature image the step of before, further includes:
It determines information source channel corresponding with the tested information source channel in default qualified mainboard, is target information source channel；
It controls the target information source channel and shows the default picture；
Receive the discrimination instruction that the default picture of the detection based on display returns；
Judge whether the default picture is qualified according to the discrimination instruction；
When the default picture qualification, described when tested information source channel shows corresponding pre-set image data, extraction is executed
The step of feature image；And/or
When the default picture is unqualified, controls the target information source channel and show the pre-set image data；
It receives the picture that the display picture based on the pre-set image data returns and captures instruction；
According to display image of the target information source channel when receiving the picture capture instruction, the default figure is updated
Piece.
6. display mainboard detection method as described in claim 1, which is characterized in that described to determine that the tested information source channel is different
After normal step, further includes:
Obtain the lane identification information of the tested information source channel；
According to the lane identification information output abnormality information.
7. such as display mainboard detection method described in any one of claims 1 to 6, which is characterized in that the judgement spy
Levying the picture step whether consistent with default picture includes:
Compare the similarity of the feature image Yu the default picture；
Judge whether the similarity is greater than or equal to preset threshold；
If the similarity is greater than or equal to the preset threshold, determine that the feature image is consistent with the default picture；
If the similarity is less than the preset threshold, determine that the feature image and the default picture are inconsistent.
8. such as display mainboard detection method described in any one of claims 1 to 6, which is characterized in that the extraction characteristic pattern
The step of piece includes:
Extract multiple feature images；
The step for judging whether the feature image is consistent with default picture includes:
Judge whether each feature image and the default picture are consistent.
9. a kind of display mainboard detection device, which is characterized in that the display mainboard detection device includes: memory, processor
And it is stored in the display mainboard detection program that can be run on the memory and on the processor, the display mainboard detection
It realizes when program is executed by the processor such as the step of display mainboard detection method described in any item of the claim 1 to 8.
10. a kind of readable storage medium storing program for executing, which is characterized in that display mainboard detection program is stored on the readable storage medium storing program for executing,
The display mainboard detection program realizes that display mainboard described in any item of the claim 1 to 8 such as is examined when being executed by processor
The step of survey method.
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| CN111464809A (en) * | 2020-04-08 | 2020-07-28 | 昆山丘钛微电子科技有限公司 | Data stability test circuit and test method of image acquisition card |
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| CN113270058A (en) * | 2021-07-21 | 2021-08-17 | 广州朗国电子科技股份有限公司 | Fault detection method, medium, product and system for spliced screen |
| CN116403498A (en) * | 2023-06-07 | 2023-07-07 | 深圳市德壹医疗科技有限公司 | Display abnormality repairing method, device, equipment and storage medium |
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