A kind of recognition methods of LED display and recognition system
Technical field
The present invention relates to LED display technique field, relate in particular to a kind of recognition methods and recognition system of LED display.
Background technology
Present widely used LED display system, Fig. 1 is LED display system architectures synoptic diagram in the prior art, and is as shown in Figure 1, is made up of display screen control end and LED display.LED display is made up of the identical module of several specifications, and the display screen control end sends the several control signal, a string module of serial connection successively of each road signal controlling.
Fig. 2 is the structural representation of forming the module of LED display in the prior art, and is as shown in Figure 2, each module is a corresponding viewing area of LED display.Each road signal controlling of sending by the display screen control end module of several LED displays, that is: a certain road signal controlling sent of display screen control end these module corresponding display.
The LED display of controlling in order to make can show correctly that the display screen control end need obtain the video data of the viewing area of each road control signal control; Again because the video data of each road signal of providing of display screen control end is serial, so the display screen control end also need be known the physical connection order of the module of forming this viewing area.Therefore, in the LED display system, the display screen control end need accurately be known: each LED display that signal the is controlled zone, road that the display screen control end sends and the physical connection order of this zone inner module.
Module number owing to each road signal controlling of display screen control end in the practical application is fixing; The annexation of each module also has nothing in common with each other; Serial connection, serial connection or even unordered random connection up and down about can being cause the display screen control end can't foresee the physical connection order of each module in each LED display that signal is controlled zone, road and this zone.In Fig. 3-a, 1 tunnel signal controlling of display screen control end one amount to 16 viewing areas that module is formed by 4 row * 4 row; Among Fig. 3-b; 3 tunnel signal controlling of display screen control end one 8 capable * 8 row amount to the viewing areas that 64 modules are formed; Wherein the 1 road and the 2 road signal has all been controlled 3 row *, 8 row and has been amounted to the viewing areas that 24 modules are formed, the 3 tunnel signal controlling 2 row *, 8 row amount to the viewing areas that 16 modules are formed.Serial connection about the 1 road and the 3 tunnel the module closure of Fig. 3-a, Fig. 3-b is, the 2 tunnel the module closure of Fig. 3-b is for being connected in series up and down.
In order to make LED display ability operate as normal, before the user uses, need earlier through being installed on the recognition system of display screen control end, the order of connection of each module in each LED display that signal is controlled zone, road of identification display screen control end and this zone.
In traditional LED display recognition system, the LED display zone that each road signal is controlled and the identification of this zone inner module order of connection generally require the user on software interface, each module to be carried out input operation.LED display as shown in Figure 4, by M capable * N row module forms.Recognition system can the software end generate M capable * two-dimensional matrix of N row.The display screen control end is lighted each module of each road signal controlling successively one by one, whenever lights a module, and the user selects the position of current bright module on the two-dimensional matrix of software interface.X module capable, the Y column position like current LED screen is in illuminating state, and the user need be on the two-dimensional matrix interface that configuration software provides, and selects that X is capable, the module of Y column position.That is, traditional LED display recognition system need be informed the residing positional information of each module of the every road of control end signal controlling through the input operation of user on software.Recognition system is accomplished the identification to LED display module annexation according to obtaining these information.
When the used module number of LED display more after a little while, the aforesaid operations process is comparatively simple, workload and difficulty are all little; But work as the used module number of LED display more for a long time, and it is very loaded down with trivial details that the operating process of whole identification will become, and difficulty also increases greatly.SD LED display to support 1024*768 resolution is an example, and its module number can reach thousands of, if it is corresponding one by one to rely on artificial cognition to carry out, and as far as the user, huge, consuming time very long and very work of easy error again of workload beyond doubt.
Current, large-scale LED display is used more and more widely, discerns obvious inefficiency according to traditional mode, and the user uses inconvenience very.The present invention proposes a kind of easy RM, does not have trivial step, also need not the user effort time and efforts and observes judgement, conveniently accomplishes identifying.The method that the present invention uses is to introduce image collecting device and identification module automatically, obtains the module link information by the data of automatic identification module analysis image device collection, replaces artificial input with this, improves user's operating experience of layoutprocedure.
Summary of the invention
The purpose of this invention is to provide a kind of recognition system and recognition methods of easy LED display; Can make things convenient for and the identification of carrying out LED display module annexation quickly; Need not trivial step; Also need not the user effort time and efforts and observe judgement, conveniently accomplish the identification and the layoutprocedure of LED display module annexation.
For solving the problems of the technologies described above; The present invention provides a kind of recognition system of LED display; Said LED display is formed by connecting the identical module of some specifications; Said recognition system comprises: control end is used to send one group of video or image to said LED display, so that said LED display displays the play; Image acquisition units, said image acquisition units is used to gather the display message of said LED display, and all display message that will gather are as the output image information result; And automatic identification unit; Said automatic identification unit is used for the message structure of said image acquisition units output is received and analyzes; With the annexation of the module that obtains forming said LED display, and the annexation of said module passed to said control end.
Further, said image acquisition units is online equipment, and said image acquisition units is accomplished startup, stopped IMAQ work according to the order of said control end, and automatically said image information result is exported to said automatic identification unit.
Further; Said image acquisition units is an off-line device; Said image acquisition units is accomplished according to control mode manually and is started, stops IMAQ work, and through control mode manually said image information result is exported to said automatic identification unit.
Further, said control end has the several control signal, and said module is formed some viewing areas, and each road control signal is controlled a viewing area.
Further, about the closure of said module comprises the series connection, up and down the series connection or unordered connection in a kind of or its combination.
Further, said control end also is configured setting according to the annexation of said module to said LED display, with the configuration settings work of the module identification of accomplishing LED display.
The present invention also provides a kind of recognition methods of LED display, and said recognition methods comprises: control end sends one group of video or image arrives said LED display, so that LED display displays the play; Start image acquisition units, to gather the display message of said LED display; After video that said control end sends or image finished playing, said image acquisition units stopped IMAQ work, and all display message that will gather are exported as the image information result; Automatic identification unit receives and analyzes the image information result of said image acquisition units output, with the annexation of the module that obtains forming said LED display, and the annexation of said module is passed to said control end.
Further, said control end has the several control signal, and said module is formed some viewing areas, and each road control signal is controlled a viewing area.
Further, the display message of said LED display comprises: control end provides each road control signal one by one, and a corresponding viewing area responds one tunnel control signal; And the module in the said viewing area is lighted respectively successively according to the said control signal of correspondence or is changed color.
Further; Said automatic identification unit is used for message structure to the output of said image acquisition units and receives with analytic process and comprise: according to the corresponding relation of each road control signal and viewing area, confirm and the sequencing information of control signal corresponding display; Light respectively successively according to the said control signal of correspondence or change color relation according to the module in the said viewing area, confirm with the control signal corresponding display in the sequencing information of module.
Further, after each said module receives corresponding control signal, directly show the sequencing information and the sequencing information of said module in its viewing area, place of the viewing area at said module place.
Further, the sequencing information of the viewing area at said module place and the said module sequencing information in its viewing area, place adopts numerical character, barcode information or 2 D code information mode to show.
Further; Said automatic identification unit directly receives and record adopts the sequencing information and the sequencing information of said module in its viewing area, place of the viewing area at the said module place that numerical character, barcode information or 2 D code information mode show, to accomplish the identification to the order of connection of each module in the viewing area of each road control signal control of said control end and the said viewing area.
Further, after each said module receives corresponding control signal, adopt the sequencing information and the sequencing information of said module in its viewing area, place of the viewing area at some image expression modules place.
Further; Said automatic identification unit receives sequencing information and the sequencing information of said module in its viewing area, place that the viewing area at some image expression modules place is adopted in also conversion, to accomplish the identification to the order of connection of each module in the viewing area of each road control signal control of said control end and the said viewing area.
Further, said image acquisition units is online equipment, and said image acquisition units is accomplished startup, stopped IMAQ work according to the order of said control end, and automatically said image information result is exported to said automatic identification unit.
Further; Said image acquisition units is an off-line device; Said image acquisition units is accomplished according to control mode manually and is started, stops IMAQ work, and through control mode manually said image information result is exported to said automatic identification unit.
Further, about the closure of said module comprises the series connection, up and down the series connection or unordered connection in a kind of or its combination.
Further; After said automatic identification unit passes to the step of said control end with the annexation of module; Said control end also is configured setting according to the annexation of said module to said LED display, with the configuration settings work of the module identification of accomplishing LED display.
In sum, the present invention proposes a kind of easy RM, does not have trivial step, also need not the user effort time and efforts and observes judgement, and can conveniently accomplish the recognition system and the recognition methods of the LED display of identifying.The recognition methods that the present invention uses is to introduce image collecting device and automatic identification module; Data by the collection of automatic identification module analysis image device obtain the module link information; Replace artificial input with this, improve user's operating experience configuration mode that tradition is complicated of layoutprocedure and simplify, avoided in the traditional approach because of the numerous and diverse mistake that possibly introduce of step; And save time greatly, and avoided disposing the possibility of makeing mistakes owing to user's misoperation causes.
Description of drawings
Fig. 1 is a LED display system architectures synoptic diagram in the prior art;
Fig. 2 is a structural representation of forming the module of LED display in the prior art;
Fig. 3 a~Fig. 3 b is the structural representation of the module annexation of LED display in the prior art;
Fig. 4 is the structural representation of LED display in the prior art;
Fig. 5 is the structural representation of the recognition system of LED display in one embodiment of the invention.
Fig. 6 is the schematic flow sheet of the recognition methods of LED display in one embodiment of the invention.
Embodiment
For making content of the present invention clear more understandable,, content of the present invention is described further below in conjunction with Figure of description.Certainly the present invention is not limited to this specific embodiment, and the general replacement that those skilled in the art knew also is encompassed in protection scope of the present invention.
Secondly, the present invention utilizes synoptic diagram to carry out detailed statement, and when instance of the present invention was detailed, for the ease of explanation, synoptic diagram did not amplify according to general ratio is local, should be with this as to qualification of the present invention.
Fig. 5 is the structural representation of the recognition system of LED display in one embodiment of the invention.Said LED display 20 is formed by connecting the identical module of some specifications, and the closure of forming the module of LED display has multiple, for example about serial connection, a kind of or its combination in serial connection or the unordered connection up and down.
Said LED display recognition system 10 comprises: control end 101, image acquisition units 102 and automatic identification unit 103.
Said control end 101 is used to send one group of video or image arrives said LED display, so that said LED display displays the play, can also be configured said LED display.Said control end 101 has the several control signal, and said module is formed some viewing areas, and each road control signal is controlled a viewing area.
Said image acquisition units 102 is used for gathering the display message of identifying LED display, and all display message that will gather are given said automatic identification unit 103 as the output image information result.
Said image acquisition units 102 can be online equipment or off-line device; When said image acquisition units 102 is online equipment; Said image acquisition units 102 can be accepted the order of said control end 101; Start, stop IMAQ work, and automatically said image information result is exported to said automatic identification unit 103.When if said image acquisition units 102 is off-line device, said image acquisition units 102 needs to accomplish startup manually, stop IMAQ work, and through manual mode the image information result who gathers is uploaded to said automatic identification unit 103.
Said automatic identification unit 103 is used for the message structure to image acquisition units 102 outputs is received, analyzes; To confirm the link information of said module; Obtain forming the annexation of the module of said LED display, and the annexation of said module is passed to said control end 101.
The method of said module annexation identification; Control end 101 sends and play one group of video or image information arrives LED display; Start image acquisition units simultaneously and gather the display message of LED display; Collect data and carry out the link information that pattern-recognition obtains module via automatic identification unit, the link information of control end acquisition module is also discerned said LED display 20, can accomplish the identification work of module annexation.This recognition system RM is easy; There is not trivial step; Also need not the user effort time and efforts and observe judgement, conveniently accomplish identifying, the data through the collection of automatic identification module analysis image device obtain the module link information; Replace artificial input with this, improve user's operating experience of identifying.
Fig. 6 is the schematic flow sheet of the recognition methods of LED display in one embodiment of the invention.As shown in Figure 6, the present invention provides a kind of recognition methods of LED display, and said LED display is formed by connecting the identical module of some specifications, serial connection, serial connection and unordered connection up and down about the closure of the module of composition LED display comprises.
Said recognition methods may further comprise the steps:
Step S01: control end sends one group of video or image arrives said LED display, so that LED display displays the play;
Step S02: start image acquisition units, to gather the display message of said LED display;
Step S03: after video that said control end sends or image finished playing, said image acquisition units stopped IMAQ work, and all display message that will gather are exported as the image information result;
Step S04: automatic identification unit receives and analyzes the image information result of said image acquisition units output, with the annexation of the module that obtains forming said LED display, and the annexation of said module is passed to said control end.
Below specify the detailed process of the recognition methods of LED display in one embodiment of the invention.
Step S01: said control end sends one group of video or image arrives said LED display, displays the play at LED display.
The resolution sizes of used module is different in the different LED display systems, and video that said control end provides and image can be following two kinds:
1) resolution of used module is bigger, can show more literal or character, and control end can be directly be shown to the sequencing information and the sequencing information of said module in its viewing area, place of the viewing area at module place on the module in this case; Serial number information can use numerical character or stripe shape/2 D code information; Then said automatic identification unit directly receives and record adopts the sequencing information and the sequencing information of said module in its viewing area, place of the viewing area at the said module place that numerical character, barcode information or 2 D code information mode show, to accomplish the identification to the order of connection of each module in the viewing area of each road control signal control of said control end and the said viewing area.
2) resolution of used module is very little; Can't show character information or the stripe shape/2 D code information of enough resolutions etc., need utilize this moment a series of image to express the sequencing information and the sequencing information of said module in its viewing area, place of the viewing area at the module place that control end provides; Then said automatic identification unit receives sequencing information and the sequencing information of said module in its viewing area, place that the viewing area at some image expression modules place is adopted in also conversion, to accomplish the identification to the order of connection of each module in the viewing area of each road control signal control of said control end and the said viewing area.
The display message of said LED display comprises: control end provides each road control signal one by one, and a corresponding viewing area responds one tunnel control signal; And the module in the said viewing area is lighted respectively successively according to the said control signal of correspondence or is changed color.
Said automatic identification unit is used for message structure to the output of said image acquisition units and receives with analytic process and comprise: according to the corresponding relation of each road control signal and viewing area, confirm and the sequencing information of control signal corresponding display; Light respectively successively according to the said control signal of correspondence or change color relation according to the module in the said viewing area, confirm with the control signal corresponding display in the sequencing information of module.Detailed process is following:
(1) confirm the sequencing information of each pairing viewing area of control signal, road: said control end provides each road control signal one by one; The corresponding said road of meeting, corresponding viewing area control signal; Thereby confirm the sequencing information of this pairing viewing area of control signal, road; Whenever the module on its corresponding display of sequencing information one tunnel control signal of definite this pairing viewing area of control signal, road control can be lighted respectively successively or change color, thereby can confirm the sequencing information of this pairing viewing area of control signal, road;
(2) confirm the sequencing information of module in each pairing viewing area of road control signal: color can lighted or change to corresponding module in this zone, thereby can confirm the sequencing information of module in this pairing viewing area of road control signal.
Step S02: control end start that above-mentioned video or image play before or simultaneously, start said image collecting device, gather the display message of said LED display.When image collector is changed to online equipment, can respond the order of control end, start IMAQ work automatically.If said image collector is changed to off-line device, then need start IMAQ work manually.
Step S03: after video that said control end sends or image finished playing, said image acquisition units stopped IMAQ work, and the output image information result.When image collector is changed to online equipment, can respond the order of said control end, stop IMAQ work automatically, and submit result data automatically to.If said image collector is changed to off-line device, then need stops IMAQ work manually, and the image information result who gathers uploaded to automatic identification unit through manual mode.
Step S04: said automatic identification unit is analyzed, is discerned the image information of image acquisition units collection, obtains forming the annexation of each module of said LED display, and the annexation of said module is given to said control end.
When the image information that collects during for the sequencing information of the road serial number information that uses numerical character or stripe shape/two-dimension code and each module; But automatic identification unit Direct Recognition numerical character or stripe shape/two-dimension code wherein; Completion is to the identification of the order of connection of each module in LED display that signal is controlled zone, each road of control end and each road, and the identification of module annexation is accomplished.
When the image information that collects is not used numerical character or stripe shape/two-dimension code; Identifying is following: at first utilize each road module to light one by one or the image information of color change, the module region information that the order information of confirming each road and each road comprise; Utilize each module in each road to light or the image information of color change then; Confirm the position of each module on LED display in each road; Completion is to the identification of the order of connection of each module in each LED display that control signal is controlled zone, road and each road, and the identification of module annexation is accomplished.
After step S04; Promptly after said automatic identification unit passes to the step of said control end with the annexation of module; Comprise that also said control end also is configured setting according to the annexation of said module to said LED display, with the configuration settings work of the module identification of accomplishing LED display.
In sum; Than prior art, the present invention proposes a kind of easy RM, does not have trivial step; Also need not the user effort time and efforts and observe judgement, and can conveniently accomplish the recognition system and the recognition methods of the LED display of identifying.The recognition methods that the present invention uses is to introduce image collecting device and automatic identification module; Data by the collection of automatic identification module analysis image device obtain the module link information; Replace artificial input with this, improve user's operating experience configuration mode that tradition is complicated of layoutprocedure and simplify, avoided in the traditional approach because of the numerous and diverse mistake that possibly introduce of step; And save time greatly, and avoided disposing the possibility of makeing mistakes owing to user's misoperation causes.
Though the present invention discloses as above with preferred embodiment; Right its is not in order to limit the present invention; Has common knowledge the knowledgeable in the technical field under any; Do not breaking away from the spirit and scope of the present invention, when can doing a little change and retouching, so protection scope of the present invention is as the criterion when looking claims person of defining.