CN107132026B - The test method and system for the minimum display equipment backlight illumination that scanning device is supported - Google Patents
The test method and system for the minimum display equipment backlight illumination that scanning device is supported Download PDFInfo
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- CN107132026B CN107132026B CN201710231780.4A CN201710231780A CN107132026B CN 107132026 B CN107132026 B CN 107132026B CN 201710231780 A CN201710231780 A CN 201710231780A CN 107132026 B CN107132026 B CN 107132026B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
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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
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- Biomedical Technology (AREA)
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Abstract
The present invention relates to the test methods and system of the minimum display equipment backlight illumination that testing field more particularly to scanning device are supported.The present invention is default series by the backlight illumination of initialization display equipment；The corresponding normal brightness of the backlight illuminations at different levels is obtained, brightness comparison table is formed；The bar code picture that scanning display equipment is shown, obtains scanned picture；If the scanned picture is successfully decoded: the current backlight illumination is converted as corresponding normal brightness according to the brightness comparison table, obtains Current standards brightness；Recording the Current standards brightness is the minimum display equipment backlight illumination that scanning device corresponding with the bar code picture is supported；If decoding the scanned picture not successfully, the series of backlight illumination described in level-one is turned up；Above-mentioned steps are repeated, until the scanned picture is successfully decoded.Realize the accuracy for improving the minimum display equipment backlight illumination that test scanning device is supported.
Description
Technical field
The present invention relates to the test sides for the minimum display equipment backlight illumination that testing field more particularly to scanning device are supported
Method and system.
Background technique
During carrying out performance optimization to scanning device, need constantly to test the minimum display of scanning device support
Whether equipment backlight illumination can satisfy the demand in market.The minimum display equipment backlight that test scanning device can be supported at present
The method of brightness is manually to adjust display equipment backlight illumination, and the screen of scanning device scanning display equipment checks scanning
Whether equipment can scan the content that the display equipment of current backlight brightness is shown.
But whether successful scan shows equipment under the conditions of the backlight illumination of current display setup by people's subjective judgement
The content of display is not accurate enough, to influence the accuracy of test result.Such as, scanning device is bar code scanner, shows equipment
For mobile phone, the function of scanner is the bar code that shows on scanning cell phone screen to obtain corresponding bar code information.In the applied field
Under scape, manually it is difficult to whether clarity and integrity degree by being visually accurately judged to the bar code picture that scanner scans reach
To the minimum requirements that can be successfully decoded, so that the minimum display equipment backlight illumination supported by manual testing's scanning device
Accuracy is lower.
Summary of the invention
The technical problems to be solved by the present invention are: how to improve the minimum display equipment backlight that test scanning device is supported
The accuracy of brightness.
In order to solve the above-mentioned technical problem, the technical solution adopted by the present invention are as follows:
The present invention provides the test method for the minimum display equipment backlight illumination that scanning device is supported, comprising:
S1, initialization show that the backlight illumination of equipment is default series；
S2, the corresponding normal brightness of the backlight illuminations at different levels is obtained, forms brightness comparison table；
The bar code picture that S3, scanning display equipment are shown, obtains scanned picture；
If the scanned picture S4, is successfully decoded:
S41, the current backlight illumination is converted as corresponding normal brightness according to the brightness comparison table, obtained current
Normal brightness；
S42, the minimum display that the Current standards brightness is scanning device corresponding with bar code picture support is recorded
Equipment backlight illumination；
If S5, decoding the scanned picture not successfully, the series of backlight illumination described in level-one is turned up；
S6, S3 to S5 is repeated, until the scanned picture is successfully decoded.
The present invention also provides the test macros for the minimum display equipment backlight illumination that scanning device is supported, comprising:
Initialization module, the backlight illumination for initializing display equipment are default series；
First obtains module, for obtaining the corresponding normal brightness of the backlight illuminations at different levels, forms brightness comparison table；
Scan module, the bar code picture shown for scanning display equipment, obtains scanned picture；
Logging modle, if for the scanned picture to be successfully decoded: current institute is converted according to the brightness comparison table
Stating backlight illumination is corresponding normal brightness, obtains Current standards brightness；Recording the Current standards brightness is and the bar code
The minimum display equipment backlight illumination that the corresponding scanning device of picture is supported；
Adjustment module, if the series of backlight illumination described in level-one is turned up for decoding the scanned picture not successfully；
Replicated blocks, for repeating the scan module, the logging modle and the adjustment module, until success
Decode the scanned picture.
The beneficial effects of the present invention are: the present invention passes through the bar code picture that decoded scan equipment scans, intuitive, accurate
Judge under the conditions of the backlight illumination of current display setup whether scanning device can clearly and completely scan display in ground
The content that equipment is shown improves the accuracy for judging whether successful scan；If scanning failure according to current backlight illumination, this
The backlight illumination that invention improves display equipment according to preset series step by step improves during the test until scanning successfully
Adjust the accuracy of display equipment backlight illumination；The present invention during the test, the back of equipment is shown by accurately improving step by step
Brightness, and whether accurate judgement scanning device being capable of successful scan, raising under the conditions of the backlight illumination of current display setup
The accuracy for the minimum display equipment backlight illumination that test scanning device is supported.
Detailed description of the invention
Fig. 1 is the specific reality of the test method for the minimum display equipment backlight illumination that scanning device provided by the invention is supported
Apply the flow diagram of mode；
Fig. 2 is the specific reality of the test macro for the minimum display equipment backlight illumination that scanning device provided by the invention is supported
Apply the structural block diagram of mode；
Fig. 3 is the specific of the test macro for the minimum display equipment backlight illumination that the scanning device that the present invention separately provides is supported
The structural block diagram of embodiment；
Fig. 4 is the implementation of the test macro for the minimum display equipment backlight illumination that the scanning device that the present invention separately provides is supported
The structural block diagram of example；
Label declaration:
1, initialization module；2, first module is obtained；3, scan module；4, logging modle；5, adjustment module；6, mould is repeated
Block；7, second module is obtained；8, third obtains module；81, the first setting unit；82, computing unit；83, the second setting unit；
9, decoder module；10, mark module；101, scanning device；102, equipment is shown；103, control terminal.
Specific embodiment
To explain the technical content, the achieved purpose and the effect of the present invention in detail, below in conjunction with embodiment and cooperate attached
Figure is explained.
The most critical design of the present invention is: by the accurate backlight illumination for improving display equipment step by step, and accurate judgement
Scanning device whether can under the conditions of the backlight illumination of current display setup successful scan, improve test scanning device support
Minimum display equipment backlight illumination accuracy.
Fig. 1 to Fig. 4 is please referred to,
As shown in Figure 1, the present invention provides the test method for the minimum display equipment backlight illumination that scanning device is supported, packet
It includes:
S1, initialization show that the backlight illumination of equipment is default series；
S2, the corresponding normal brightness of the backlight illuminations at different levels is obtained, forms brightness comparison table；
The bar code picture that S3, scanning display equipment are shown, obtains scanned picture；
If the scanned picture S4, is successfully decoded:
S41, the current backlight illumination is converted as corresponding normal brightness according to the brightness comparison table, obtained current
Normal brightness；
S42, the minimum display that the Current standards brightness is scanning device corresponding with bar code picture support is recorded
Equipment backlight illumination；
If S5, decoding the scanned picture not successfully, the series of backlight illumination described in level-one is turned up；
S6, S3 to S5 is repeated, until the scanned picture is successfully decoded.
Further, further includes:
The minimum display equipment backlight illumination that the corresponding scanning device of more than two bar code pictures is supported is obtained,
Form brightness set；
The minimum display equipment backlight illumination of scanning device support is obtained according to the brightness set.
Seen from the above description, scanning device is obtained according to the test result that the different bar code pictures of scanning obtain to support most
Low display equipment backlight illumination can effectively avoid the image quality due to specific pictures from influencing test result, to improve test knot
The accuracy of fruit.
Further, the minimum display equipment backlight illumination of scanning device support is obtained according to the brightness set, specifically
Are as follows:
The minimum value being arranged in the brightness set is the minimum display equipment backlight illumination that scanning device is supported.
Further, the minimum display equipment backlight illumination of scanning device support is obtained according to the brightness set, specifically
Are as follows:
Calculate the average value of the brightness set；
It is the minimum display equipment backlight illumination that scanning device is supported that the average value, which is arranged,.
Further, further includes:
The scanned picture is decoded, bar code information is obtained；
If bar code information information corresponding with the bar code picture is identical, the scanning figure is successfully decoded in label
Piece.
As shown in Figures 2 and 3, the test system for the minimum display equipment backlight illumination supported the present invention also provides scanning device
System, comprising:
Initialization module 1, the backlight illumination for initializing display equipment are default series；
First obtains module 2, for obtaining the corresponding normal brightness of the backlight illuminations at different levels, forms brightness comparison table；
Scan module 3, the bar code picture shown for scanning display equipment, obtains scanned picture；
Logging modle 4, if for the scanned picture to be successfully decoded: current according to brightness comparison table conversion
The backlight illumination is corresponding normal brightness, obtains Current standards brightness；Recording the Current standards brightness is and the item
The minimum display equipment backlight illumination that the corresponding scanning device of code picture is supported；
Adjustment module 5, if the series of backlight illumination described in level-one is turned up for decoding the scanned picture not successfully；
Replicated blocks 6, for repeating the scan module, the logging modle and the adjustment module, until at
Function decodes the scanned picture.
Further, further includes:
Second obtains module 7, supports most for obtaining the corresponding scanning device of more than two bar code pictures
Low display equipment backlight illumination forms brightness set；
Third obtains module 8, for obtaining the minimum display equipment backlight of scanning device support according to the brightness set
Brightness.
Further, the third acquisition module 8 includes:
First setting unit 81, the minimum value for being arranged in the brightness set are the minimum display that scanning device is supported
Equipment backlight illumination.
Further, the third acquisition module 8 includes:
Computing unit 82, for calculating the average value of the brightness set；
Second setting unit 83 is that the minimum display equipment backlight that scanning device is supported is bright for the average value to be arranged
Degree.
Further, further includes:
Decoder module 9 obtains bar code information for decoding the scanned picture；
Mark module 10 marks success if identical for bar code information information corresponding with the bar code picture
Decode the scanned picture.
The embodiment of the present invention one are as follows:
The present embodiment provides a kind of test methods for the minimum display equipment backlight illumination that scanning device is supported, comprising:
S1, the minimum display equipment backlight illumination that the corresponding scanning device of more than two bar code pictures is supported is obtained, is formed
Brightness set；
Wherein, obtain the minimum display equipment backlight illumination that the corresponding scanning device of the bar code picture is supported include with
Lower step:
S11, initialization show that the backlight illumination of equipment is default series；
S12, the corresponding normal brightness of the backlight illuminations at different levels is obtained, forms brightness comparison table；
Wherein, the backlight illumination for showing equipment is divided into 0 grade to 100 grades from low to high, is tested by color analysis instrument
It shows the corresponding normal brightness of backlight illumination of equipment difference series, forms brightness comparison table；
The bar code picture that S13, scanning display equipment are shown, obtains scanned picture；
If the scanned picture S14, is successfully decoded: according to brightness comparison table conversion, the current backlight is bright
Degree is corresponding normal brightness, obtains Current standards brightness；It is corresponding with the bar code picture for recording the Current standards brightness
Scanning device support minimum display equipment backlight illumination；
Wherein, judge whether the mode that the scanned picture can be successfully decoded specifically: decode the scanned picture, obtain
To bar code information；If bar code information information corresponding with the bar code picture is identical, the scanning is successfully decoded in label
Picture；
If S15, decoding the scanned picture not successfully, the series of backlight illumination described in level-one is turned up；
S16, S13 to S15 is repeated, until the scanned picture is successfully decoded；
S2, the minimum display equipment backlight illumination that scanning device support is obtained according to the brightness set；Wherein, this implementation
Example provides following two specific implementation:
First implementation: the minimum value being arranged in the brightness set is the minimum display equipment back that scanning device is supported
Brightness.
Second implementation: the average value of the brightness set is calculated；It is what scanning device was supported that the average value, which is arranged,
Minimum display equipment backlight illumination.
As shown in figure 4, the embodiment of the present invention two are as follows:
The present embodiment provides a kind of test macros for the minimum display equipment backlight illumination that scanning device is supported, including scanning
Equipment 101, display equipment 102, control terminal 103；
Wherein, the display equipment 102 is established bluetooth communication with the control terminal 103 and is connect；The scanning device 101 is logical
Serial ports is crossed to connect with the control terminal 103；The display equipment 102 is placed in parallel with the scanning device 101, to guarantee to scan
Equipment 101 can normal scan show the bar code picture that shows on the screen of equipment 102；
Wherein, the control terminal 103 include initialization module 1, first obtain module 2, scan module 3, logging modle 4,
Adjustment module 5, replicated blocks 6, second obtain module 7 and third obtains module 8；
Wherein, the scanning device 101 includes decoder module 9 and mark module 10；
Wherein, in dark room conditions, the control terminal obtains more than two bar codes by the second acquisition module 7
The minimum display equipment backlight illumination that the corresponding scanning device of picture is supported, forms brightness set；Specifically:
The control terminal 103 sends the order of display picture to the display equipment 102；102 basis of display equipment
The order received shows a bar code picture；The control terminal 103 sends initialization command to aobvious by the initialization module 1
Show equipment 102, the backlight illumination of the display initialization display equipment of equipment 102 is default series；The default series is 0 grade, right
The backlight illumination for the display equipment answered is 0；It is bright that the first acquisition module 2 obtains the corresponding standard of the backlight illuminations at different levels
Degree forms brightness comparison table；The bar code picture that the scanning of the scan module 3 display equipment is shown, obtains scanned picture；
The scanning device 101 decodes the scanned picture by decoder module 9, obtains bar code information；If the bar code
Information information corresponding with the bar code picture is identical, then the scanning figure is successfully decoded by mark module label label
Piece；The information that the scanned picture is successfully decoded is sent to control terminal 103 by serial ports by scanning device 101；
If the control terminal 103 receives the information that the scanned picture is successfully decoded, the control terminal 103 passes through described
Logging modle 4 converts the current backlight illumination according to the brightness comparison table as corresponding normal brightness, is currently marked
Quasi- brightness；Recording the Current standards brightness is the minimum display equipment back that scanning device corresponding with the bar code picture is supported
Brightness；Otherwise, the control terminal 103 sends regulating command to display equipment 102 by the adjustment module 5, shows equipment
102 are turned up the series of backlight illumination described in level-one；And the scan module 3, the record mould are repeated by replicated blocks 6
Block 4 and the adjustment module 5, until the scanned picture is successfully decoded；
The control terminal 103 judges whether successfully to obtain what the corresponding scanning device of preset quantity bar code picture was supported
Minimum display equipment backlight illumination, if it is not, then the control terminal 103 sends the order extremely display equipment 102 of conversion display picture,
Display equipment 102 shows another bar code picture and repeats above-mentioned test process；
The control terminal 103 by by the third obtain module 8 from second get two of acquisition module 7 with
In the brightness set that the minimum display equipment backlight illumination that above the corresponding scanning device of the bar code picture is supported is formed, swept
Retouch the minimum display equipment backlight illumination of equipment support；
Wherein, the present embodiment provides two kinds of implementations that the third obtains module 8:
First implementation: it includes the first setting unit 81 that the third, which obtains module 8,；
First setting unit 81, the minimum value for being arranged in the brightness set are that scanning device supports minimum
Show equipment backlight illumination；
Second implementation: it includes computing unit 82 and the second setting unit 83 that the third, which obtains module 8,；
The computing unit 82, for calculating the average value of the brightness set；
Second setting unit 83 is the minimum display equipment backlight that scanning device is supported for the average value to be arranged
Brightness.
In conclusion the test method for the minimum display equipment backlight illumination that scanning device provided by the invention is supported and being
System, the bar code picture scanned by decoded scan equipment intuitively, accurately judge the backlight illumination in current display setup
Under the conditions of, whether scanning device can clearly and completely scan the content that display equipment is shown, improve and judge whether into
The accuracy of function scanning；If scanning failure according to current backlight illumination, the present invention improves display according to preset series step by step
The backlight illumination of equipment, until scanning the accuracy for successfully improving and adjusting display equipment backlight illumination during the test；This
During the test, by accurately improving the backlight illumination of display equipment step by step, and whether accurate judgement scanning device can for invention
Enough successful scans under the conditions of the backlight illumination of current display setup improve the minimum display equipment that test scanning device is supported
The accuracy of backlight illumination.Further, the test result acquisition scanning device support obtained according to different bar code pictures are scanned
Minimum display equipment backlight illumination, can effectively avoid due to specific pictures image quality influence test result, to improve survey
The accuracy of test result.
The above description is only an embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair
Equivalents made by bright specification and accompanying drawing content are applied directly or indirectly in relevant technical field, similarly include
In scope of patent protection of the invention.
Claims (10)
1. the test method for the minimum display equipment backlight illumination that scanning device is supported characterized by comprising
S1, initialization show that the backlight illumination of equipment is default series；
S2, the corresponding normal brightness of the backlight illuminations at different levels is obtained, forms brightness comparison table；
The bar code picture that S3, scanning display equipment are shown, obtains scanned picture；
If the scanned picture S4, is successfully decoded:
S41, the current backlight illumination is converted as corresponding normal brightness according to the brightness comparison table, obtains Current standards
Brightness；
S42, the minimum display equipment that the Current standards brightness is scanning device corresponding with bar code picture support is recorded
Backlight illumination；
If S5, decoding the scanned picture not successfully, the series of backlight illumination described in level-one is turned up；
S6, S3 to S5 is repeated, until the scanned picture is successfully decoded.
2. the test method for the minimum display equipment backlight illumination that scanning device according to claim 1 is supported, feature
It is, further includes:
The minimum display equipment backlight illumination that the corresponding scanning device of more than two bar code pictures is supported is obtained, is formed
Brightness set；
The minimum display equipment backlight illumination of scanning device support is obtained according to the brightness set.
3. the test method for the minimum display equipment backlight illumination that scanning device according to claim 2 is supported, feature
It is, the minimum display equipment backlight illumination of scanning device support is obtained according to the brightness set, specifically:
The minimum value being arranged in the brightness set is the minimum display equipment backlight illumination that scanning device is supported.
4. the test method for the minimum display equipment backlight illumination that scanning device according to claim 2 is supported, feature
It is, the minimum display equipment backlight illumination of scanning device support is obtained according to the brightness set, specifically:
Calculate the average value of the brightness set；
It is the minimum display equipment backlight illumination that scanning device is supported that the average value, which is arranged,.
5. the test method for the minimum display equipment backlight illumination that scanning device according to claim 1 is supported, feature
It is, further includes:
The scanned picture is decoded, bar code information is obtained；
If bar code information information corresponding with the bar code picture is identical, the scanned picture is successfully decoded in label.
6. the test macro for the minimum display equipment backlight illumination that scanning device is supported characterized by comprising
Initialization module, the backlight illumination for initializing display equipment are default series；
First obtains module, for obtaining the corresponding normal brightness of the backlight illuminations at different levels, forms brightness comparison table；
Scan module, the bar code picture shown for scanning display equipment, obtains scanned picture；
Logging modle, if for the scanned picture to be successfully decoded: according to the current back of brightness comparison table conversion
Brightness is corresponding normal brightness, obtains Current standards brightness；Recording the Current standards brightness is and the bar code picture
The minimum display equipment backlight illumination that corresponding scanning device is supported；
Adjustment module, if the series of backlight illumination described in level-one is turned up for decoding the scanned picture not successfully；
Replicated blocks, for repeating the scan module, the logging modle and the adjustment module, until being successfully decoded
The scanned picture.
7. the test macro for the minimum display equipment backlight illumination that scanning device according to claim 6 is supported, feature
It is, further includes:
Second obtains module, the minimum display supported for obtaining the corresponding scanning device of more than two bar code pictures
Equipment backlight illumination forms brightness set；
Third obtains module, for obtaining the minimum display equipment backlight illumination of scanning device support according to the brightness set.
8. the test macro for the minimum display equipment backlight illumination that scanning device according to claim 7 is supported, feature
It is, the third obtains module and includes:
First setting unit, the minimum value for being arranged in the brightness set are the minimum display equipment back that scanning device is supported
Brightness.
9. the test macro for the minimum display equipment backlight illumination that scanning device according to claim 7 is supported, feature
It is, the third obtains module and includes:
Computing unit, for calculating the average value of the brightness set；
Second setting unit is the minimum display equipment backlight illumination that scanning device is supported for the average value to be arranged.
10. the test macro for the minimum display equipment backlight illumination that scanning device according to claim 6 is supported, feature
It is, further includes:
Decoder module obtains bar code information for decoding the scanned picture；
Mark module, if identical for bar code information information corresponding with the bar code picture, institute is successfully decoded in label
State scanned picture.
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| 可变情报板最低亮度研究;吕南航;《中国交通信息化》;20080331(第3(2008)期);第91页 |
| 激光扫描共焦显微镜图像的亮度补偿;唐郭强 等;《激光杂志》;20060630;第27卷(第6期);第45-46页 |
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