CN109994061A - Digital advertisement board system - Google Patents
Digital advertisement board system Download PDFInfo
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- CN109994061A CN109994061A CN201711467041.1A CN201711467041A CN109994061A CN 109994061 A CN109994061 A CN 109994061A CN 201711467041 A CN201711467041 A CN 201711467041A CN 109994061 A CN109994061 A CN 109994061A
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- picture
- display device
- board system
- advertisement board
- digital advertisement
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/006—Electronic inspection or testing of displays and display drivers, e.g. of LED or LCD displays
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Controls And Circuits For Display Device (AREA)
Abstract
The present invention provides a kind of digital advertisement board system, comprising: a display device and a host apparatus.The host apparatus includes a broadcast unit, to play a billboard contents in the display device；An and monitoring unit, after the digital advertisement board system boot, extract one first picture shown by the display device, and after the display device is after a particular event, extract one second picture shown by the display device when broadcast unit plays out, and compare this first and second picture, whether the display to determine the broadcast unit abnormal.
Description
Technical field
The present invention about a digital advertisement board system, in particular to one kind can determine whether itself display content it is abnormal and self
The digital advertisement board system of reparation.
Background technique
With the progress of computer and giant display technology, digital advertisement board system (Digital Signage System)
Or it is also all the more universal for the use of public information display device (Public Information Display).And it is wide to form number
Accuse one of method of board system and play host for one and arrange in pairs or groups an external-connection displayer, this composing method can reduce digital advertisement board at
This, also all has bigger elasticity in application and future upgrading.
Identical as commonly purposes computer, the broadcasting host of digital advertisement board can also run commercially available operating system, but
It is that the usual operational capability for playing host is limited with memory size.The display of today usually has high-res, because
This variety of commercially available operating system, such as Microsoft's Windows operating system, have adjustable display window dimension scale size and
The function (calling amplification display setting in the following text) of other displayed contents, by taking windows operating system as an example, amplification display setting is with one
The degree of digital representation amplification is normally without the state of amplification when amplification display is set as 100；And when amplification display setting
For the numerical value more than 100, such as 125,150, then it represents that the form size of display and content are made proportional amount of amplification.But
Amplification display be set in it is non-in the case where being 100, when display device closing is then turned on or signal wire pulls out the shape connected again again
When condition, the form size and the change of position of running application program may result in.By taking digital advertisement board system as an example, when
One operation Windows operating system and amplification display are set as 150 broadcasting host and execute a playing program with full screen state
When, it such as encounters after display device is closed and reopens, the playing program is possibly off full screen state and with the shape of smaller form
State continues to execute.This situation, which may cause the digital advertisement board system, can not show correct content.
Summary of the invention
The present invention provides a kind of digital advertisement board system, can detect the display abnormality of itself playing program, and self
The abnormality is repaired, to solve the abnormal situation of above-mentioned playing program display.Digital advertisement board system of the invention includes:
One display device；An and host apparatus.The host apparatus include a broadcast unit, to by a billboard contents in the display
Device plays；And one monitoring unit extracted one first shown by the display device after the digital advertisement board system boot
Picture, and after the display device is after a particular event, it extracts when the broadcast unit plays out shown by the display device
One second picture, and compare first picture and second picture, whether the display to determine the broadcast unit abnormal.
Such as above-mentioned digital advertisement board system, wherein the particular event is then turned on after closing for the display device or this is aobvious
Signal wire between showing device and the host apparatus is plugged again after pulling out.
Such as above-mentioned digital advertisement board system, wherein when the difference of first picture He second picture ratio set less than one
When example, then the monitoring unit determines that display is abnormal.
Such as above-mentioned digital advertisement board system, wherein the host apparatus is that hardware resource limited one plays host.
Such as above-mentioned digital advertisement board system, wherein the broadcasting host includes a processor, executes one first program with reality
The now functional operation of the monitoring unit executes one second program to realize the functional operation of the broadcast unit.
Such as above-mentioned digital advertisement board system, when the monitoring unit determines the display exception of the broadcast unit, the monitoring
Unit notifies the processor to re-execute second program.
Such as above-mentioned digital advertisement board system, wherein having exceeded one both in the number that the processor re-executes second program
After definite value, which extracts a third picture shown by the display device when broadcast unit plays out, if should
Monitoring unit compares when still determining the display exception of the broadcast unit after first picture and the third picture, and it is abnormal logical to send out one
Know.
As above-mentioned digital advertisement board system determines the broadcasting list where it is determined that whether the display of the broadcast unit is abnormal
When member plays out, whether scaling of the playing view window of the broadcast unit in the display device be abnormal.
Detailed description of the invention
Fig. 1 is the structure block schematic diagram of a digital advertisement board system according to an embodiment of the present invention.
Fig. 2 is abnormality detection/restorative procedure flow chart of a digital advertisement board system according to an embodiment of the present invention.
Fig. 3 A is the schematic diagram of a picture of display device according to an embodiment of the present invention.
Fig. 3 B is the schematic diagram of a picture of display device according to an embodiment of the present invention.
Fig. 3 C is the schematic diagram of a picture of display device according to an embodiment of the present invention.
Fig. 3 D is that a picture of display device according to an embodiment of the present invention compares figure.
Description of symbols:
100~digital advertisement board system；
102~display device；
104~host apparatus；
104a~broadcast unit；
104b~monitoring unit；
104c~processor；
200~method；
S202-S214~step；
302~the first pictures；
304~the second pictures；
306~the second pictures；
308~compare figure.
Specific embodiment
Fig. 1 is the structure block schematic diagram of a digital advertisement board system according to an embodiment of the present invention.Wherein digital advertisement
Board system 100 includes a display device 102, to show that digital advertisement board system 100 makes a reservation for content to be shown；And one is main
Machine device 104 connects display device 102 and controls the display content of digital advertisement board system 100.
Host apparatus 104 includes broadcast unit 104a, monitoring unit 104b and processor 104c, in this embodiment, master
Machine device 104 is the operating system that an operation has window-functions, such as the host computer of Windows series operating system；It broadcasts
Putting unit 104a and monitoring unit 104b is respectively the playing program and monitoring software run in the Windows operating system；
And processor 104c executes the playing program to realize the functional operation of broadcast unit 104a, and executes the monitoring software with reality
The functional operation of existing monitoring unit 104b.But present invention is not limited to this, as long as the controllable number of host apparatus 104 1 is wide
Accuse the device of content that board system show all can, and broadcast unit 104a and monitoring unit 104b can be in host apparatus 104
The hardware of operation with and/or software combination.
In this embodiment, display device 102 has the screen of high-res for an evidence, but is not limited to this, as long as
It can show that the device of 100 content of digital advertisement board system all may be used.The screen of high-res can more clearly show picture and film,
But picture, form shown by it etc. may have too small situation.Such as: two size is identical but resolution is respectively
The first screen and the second screen of 1920x1080 and 1280x720, when showing a size is the form of 1280x720, first
The form can only occupy the 4/9 of overall picture in screen；And in the second screen, which can occupy the whole of overall picture.
Therefore form area shared in the first screen is not as good as the half in the second screen, therefore may be for user
It is small.
As described above, high-res screen may be there is a situation where shown form be too small, therefore many operating systems
Have the function of adjustable window dimension scale (calling amplification display setting in the following text), user is allowed not adjust operating system solution
The size of suitable form and its display content is selected in the case where analysis degree.The operation principles that amplification display is set is do not change work
The actual resolved degree of industry system, but window dimension scale is adjusted with the method for software.When amplification display be set as compared with
It is the numerical value greater than 100 such as in Windows operating system, operating system is shown using more pixel (pixel) when big numerical value
Originally the object (including window interface, picture, text etc.) for only less pixel being needed to show, and it is amplification form on the screen
And its shown content size.By amplification display setting and the non-real parsing for changing Windows operating system and being exported
Degree, therefore the setting value for increasing amplification display setting can reach adjusting amplification form size in the case where not sacrificing high-res
The effect of.
Amplification display setting can be realized to each application program run in operating system, therefore the view of an application program
There are two key factors for size shown by window: the resolution of operating system output and the setting value of amplification display setting.?
As used newer Software Development Platform, such as general windows platform (UWP), the application developed in Windows operating system
Program be have can support high amplification display setting Application Program Interface (Application Programming Interface,
Call API in the following text), no matter therefore which kind of amplification display setting all can correctly display window size and location.But if using compared with
Old body development platform, such as Win32 platform, the API for the application program developed possibly can not support high amplification display setting, because
This Windows operating system when the application program of high amplification display setting can not be supported to those by applying amplification display setting,
Its API can only proportionally be scaled, it is thus possible to can be one common there is a situation where display is abnormal, and in digital advertisement board system
Abnormal conditions it is as described below.
If the API of a playing program does not support amplification display setting, a common abnormal conditions are as follows: one executes for example
(i.e. high magnification ratio is set the host apparatus of Windows operating system in the state that the setting value of amplification display setting is greater than 100
It is fixed), use high picture quantity multimedia interface (High Definition Multimedia Interface, call HDMI in the following text) transmission line
When connecting an external screen, and executing the playing program with full screen state, when the external screen be close after reopen or
When signal wire is plugged again after pulling out, which may return to smaller form there is a situation where jumping out of full screen state.
The reason of this abnormal conditions occurs may are as follows: when the playing program is when initial starting up, due to amplification display setting
Value is greater than 100, but the playing program does not support the relationship of high amplification display setting, therefore operating system is opening the broadcasting journey
It is directly proportionally to amplify the API of the playing program when sequence.It is reopened after being to close when external screen or signal wire pulls out
When plugging again after removing, Windows operating system can receive the resolution that external screen is returned again, playing program detection
To display device resolution and update its API, but the relationship since high amplification display setting can not be supported, the broadcasting journey
The updated API of sequence can return to amplification and show the setting value set as 100 original state, and as form is not amplified
State, therefore the form size of the playing program returns to lesser state.
Since playing program is usually software designed by third party, therefore it is required that former design manufacturer corrects and supports height and puts
Big display is set as the unpractiaca practice；And it is perfect compatible downwards and same to require Microsoft to accomplish all Win32 software
The unpractiaca practice of sample.In addition in digital advertisement board system 100, host apparatus 104 may only have limited memory and hard
Part operational capability, and excessively complicated monitoring/restorative procedure may influence whether the running of playing program, therefore also be difficult to reality
It applies, in addition digital advertisement board system needs to close the function of display device to reach energy-efficient purpose, therefore the present invention proposes one kind
Digital advertisement board system is to solve the above problem.
In this embodiment, monitoring unit 104b detects whether playing program has correct by a simple mode
The problem of size and location play, and can more repair this playing program size and positional fault.Fig. 2 be the playing program detection/
The flow chart of restorative procedure.
In step S202, monitoring unit 104b i.e. interception display device 102 after the completion of host apparatus 104 is switched on is shown
The picture shown is the first picture, and Fig. 3 A is the schematic diagram of one first picture.Since host apparatus 104 is operation in this embodiment
Windows operating system, therefore the first picture 302 in Fig. 3 A is the initial user of a simple Windows operating system
Interface, that is, general so-called windows desktop, and host apparatus 104 just completes booting, and any program of not running includes
Playing program, therefore the first picture 302 can be used as good reference picture.
After monitoring unit 104b has intercepted the first picture 302, host apparatus 104 starts to execute a playing program
(i.e. the function of broadcast unit 104a), in this embodiment, the playing program are executed with the state of full screen.
After the playing program starts execution, monitoring unit 104b, which enters step S204 and persistently detects display device 102, is
It is no have closing after be then turned on or HDMI signal wire is to pull out the situation plugged again.
When monitoring unit 104b detects display device 102 in step S204 to be then turned on or HDMI signal after closing
Line is when pulling out to plug again, and monitoring unit 104b enters step S206, intercepts display device 102 when the playing program plays out
Shown picture is the second picture.Fig. 3 B is the schematic diagram of one second picture, in the second picture 304 of Fig. 3 B, the broadcasting
Program is still executed with the state of full screen；Fig. 3 C is the schematic diagram of another second picture, should in the second picture 306 of Fig. 3 C
Playing program has left the play mode of full screen and has returned to the state of smaller form, therefore non-to play in the second picture 306
The region that program is covered is a part of the desktop of Windows operating system.
In step S208, monitoring unit 104b is after having intercepted the second picture, further relatively the first picture and the
The difference of two pictures.The comparison method can compare (pixel-to-pixel) for simple both full-pixel, as compare institute in two pictures
Have with whether the pixel color of position identical, and count position is identical but color is different number of pixels in two pictures in total picture
Prime number purpose ratio；But not limited to this, as long as the method for difference ratio all may be used in statistics available two pictures out.
As monitoring unit 104b after comparison, it was found that when the difference of the first picture and the second picture is less than both certainty ratios
The scaling and positional fault for sentencing playing program are as shown abnormal.In the present embodiment, since playing program is in normal shape
It is that can cover all Windows operating system desktops with full screen state plays under state, therefore in the case where showing normal condition
The difference of two pictures and the first picture should be close to 100%.Therefore when the difference of the first picture and the second picture is less than 99%, prison
Control unit 104b is to judge that the display of playing program 304 is abnormal.
In the embodiment for the second picture 304 that the second picture is Fig. 3 B, since the playing program is still in full screen
State executes, therefore the difference of the first picture 302 and the second picture 304 is 100%, therefore monitoring unit 104b judgement plays journey
Sequence is shown as normal.In the case where playing program shows normal situation, returns to step S204 and persistently detect whether display device 102 has
It is then turned on after closing or HDMI signal wire is to pull out the situation plugged again.
In the embodiment for the second picture 306 that the second picture is Fig. 3 C, since playing program has returned to smaller form
State, therefore the second picture 306 and the part having the same of the first picture 302.Fig. 3 D is the first picture 302 and the second picture
Comparison Figure 20 8 after 306 overlappings, wherein the part for comparing arrow in Figure 20 8 is the first picture 302 and 306 phase of the second picture
Same part.In this embodiment, since the difference section of the first picture 302 and the second picture 306 is only limitted to playing program
Position, and less than 99%.Therefore monitoring unit 104b judges that playing program is shown as abnormal, and enters step S210.
After monitoring unit 104b judges that playing program shows exception, more can notifier processes device 104c to send out a user logical
Know to remind the display of user's playing program abnormal.User notice can be the notice of an example, in hardware, such as host apparatus 104
Outer warning lamp (not drawing)；Or the notice of software form, such as Email or news in brief.
In step S210, monitoring unit 104b judge number that the playing program is restarted whether less than a set value, such as
Fruit is otherwise to enter S212 notifier processes device 104c to send out an abnormal user's notice that can not be repaired；Then enter step if YES
Rapid S214.
In step S214, monitoring unit 104b notifier processes device 104c is closed and is restarted the playing program.At this
After playing program restarting, monitoring unit 104b returns to step S206 and checks again for whether just the playing program after restarting shows
Often.
It is worth noting that, in method 200 step S206~S214 can be considered one can be executed in monitoring unit 104b it is more
The repair procedure of secondary playing program, and the upper limit of repair procedure execution number is the set value in above-mentioned S210.When this
It is more than the set value that repair procedure, which executes number, that is, indicates that the playing program can not be repaired by way of restarting, therefore stop
Only execute the repair procedure.
Originally it is described specification and legend should be citing teaching rather than restriction effect.But it should be enough teaching this field
Technical staff is in the spirit and scope for not departing from the present invention and the attached claims, when can do a little variation and retouching.
Claims (8)
1. a kind of digital advertisement board system, comprising:
One display device；And
One host apparatus, comprising:
One broadcast unit, to play a billboard contents in the display device；And
One monitoring unit extracts one first picture shown by the display device after the digital advertisement board system boot, and
After the display device is after a particular event, one second picture shown by the display device when broadcast unit plays out is extracted
Face, and first picture and second picture are compared, whether the display to determine the broadcast unit is abnormal.
2. digital advertisement board system as described in claim 1, wherein the particular event be then turned on after the display device is closed,
Or the signal wire between the display device and the host apparatus is plugged again after pulling out.
3. digital advertisement board system as described in claim 1, wherein when the difference of first picture He second picture is less than
One both certainty ratio when, then the monitoring unit determines that display is abnormal.
4. digital advertisement board system as described in claim 1, wherein the host apparatus is that hardware resource limited one plays master
Machine.
5. digital advertisement board system as claimed in claim 4, wherein the broadcasting host includes a processor, executes one first
Program executes one second program to realize the functional operation of the monitoring unit to realize the functional operation of the broadcast unit.
6. digital advertisement board system as claimed in claim 5, when the monitoring unit determines the display exception of the broadcast unit,
The monitoring unit notifies the processor to re-execute second program.
7. digital advertisement board system as claimed in claim 6, wherein re-executing the number of second program in the processor
After a set value, which extracts a third shown by the display device when broadcast unit plays out and draws
It is sent out if the monitoring unit compares when still determining the display exception of the broadcast unit after first picture and the third picture in face
One abnormal notice.
8. digital advertisement board system as described in claim 1, wherein the monitoring unit determine the broadcast unit display whether
Abnormal, when determining that the broadcast unit plays out, scaling of the playing view window of the broadcast unit in the display device is
No exception.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711467041.1A CN109994061A (en) | 2017-12-29 | 2017-12-29 | Digital advertisement board system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711467041.1A CN109994061A (en) | 2017-12-29 | 2017-12-29 | Digital advertisement board system |
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| CN109994061A true CN109994061A (en) | 2019-07-09 |
Family
ID=67109466
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| CN201711467041.1A Pending CN109994061A (en) | 2017-12-29 | 2017-12-29 | Digital advertisement board system |
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Cited By (1)
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Application publication date: 20190709 |