CN106356020B - LED display display control method and image data dividing method - Google Patents
LED display display control method and image data dividing method Download PDFInfo
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Abstract
The present invention relates to a kind of LED display display control method, it is adapted for carrying out in the reception card of electrical connection LED display.The original data block of LED display display control method m row and n column pixel data more than original data needed for carrying out being partitioned into the band load region than receiving card on the front-end control card for receiving card when original data segmentation, the original data block divided is sent to reception card later and carries out anti-color error handle, original data corresponding to edge LED light point such then that the position with load region adjacent blocked to other receptions of reception cassette tape load region and LED display may be implemented carries out anti-color error handle, therefore the cassette tape that receives of LED display can be avoided to carry the edge color Problem-Error that region occurs in the case where anti-color error handle is implemented in the occasion for receiving card.The present invention also provides a kind of image data dividing methods for above-mentioned LED display display control method.
Description
Technical field
The present invention relates to LED display control technology field, in particular to a kind of LED display display control method and one
Kind image data dividing method.
Background technique
Display technology is one of most critical part in the included technology of information industry, LED (Light Emitting
Diode, light emitting diode) display screen system as novel display technology, with its energy-saving and environmental protection, it is highlighted the advantages that gradually by
Market receives, to be widely used in the fields such as city medium, urban transportation.The high-resolution of display is that people constantly chase after
It asks, LED display is different from the CRT monitor to shine by beam bombardment fluorescent screen, its only fixed resolution ratio, because
Their physical picture element is neatly tightly fixed on display panel by three primary colours (red, green, blue) sub-pix by certain arrangement；By
This scale that can be seen that the image quality of LED display, production cost, manufacturing process and physical picture element is closely related.Cause
This, mainly improves it using the method for the density and scale that increase display equipment physical picture element in LED display industry at present
Display resolution, in addition there are the resolution ratio that display is improved using technologies such as pixel multiplexing, sub-pix down-samplings.But these sides
Method also results in certain color mistake while improving monitor resolution, to affect display quality.
Specifically, in a kind of existing sub-pix down-sampling technical solution, as shown in Figure 1, it is original to high-resolution
Each of input picture image pixel only samples a primary colours (namely a color component), each primary colours sampled
A position is placed on as a single primary color pixels and each single primary color pixels and adjacent single primary color pixels (such as common structure
At 1R2G1B quaternary repeated arrangement unit) it can be with aliasing for a kind of color, although the arrangement after sampling is as shown in Fig. 2, so very
Resolution ratio is improved in big degree, but also brings along serious color Problem-Error, therefore typically applies each color
The information of other color components of component surrounding neighbors eliminates color mistake.
However, in the above prior art, when the information of other color components of each color component surrounding neighbors of application
Color mistake is eliminated, although the color Problem-Error after sub-pix sampling can be effectively removed, due to not carrying out
Edge processing, thus it is processed after image information edge still remain color Problem-Error.
Summary of the invention
Therefore, for the defects in the prior art and insufficient, the present invention propose a kind of LED display display control method with
And a kind of image data dividing method.
Specifically, a kind of LED display display control method provided in an embodiment of the present invention, is adapted for carrying out in electrical connection
The one of LED display receives card.The LED display display control method is comprising steps of (i) receive the LED display
The original data of one partial display area, each of described original data of the partial display area are initial
Pixel data includes the value of multiple sub-pix color components, and the band for receiving card carries region and is located at the partial display area model
In enclosing, the original data of the partial display area carries m row and n column more than the original data in region than the band
Original pixel data, wherein m, n are positive integer, m >=1 and n >=1；(ii) initial graph of the partial display area is obtained
One of each original pixel data when carrying out sub-pix down-sampling as data by sampling sub-pix color component and
Obtain it is multiple by sampling sub-pix color component and based on it is the multiple by the value of sampling sub-pix color component and with it is described
It is multiple by the corresponding multiple original pixel datas of sampling sub-pix color component not by sampling sub-pix color component
Value to it is the multiple by corresponded in sampling sub-pix color component the band carry region the original data it is multiple
Target carries out anti-color error handle by the value of sampling sub-pix color component and obtains sub-pix after multiple anti-color error handles
Color component value；And (iii) exports after the multiple anti-color error handle sub-pix color component value and shows to the LED
Screen is to respectively drive multiple LED light points in band load region.
In one embodiment of the invention, when three orientation adjoining that the band carries region has the electrical connection LED aobvious
Other bands for receiving card of display screen carry region, then m >=2 and n >=1 or m >=1 and n >=2；And when the band carries the four of region
Adjacent other bands for receiving card for having the LED display in a orientation carry region, then m >=2 and n >=2.
In one embodiment of the invention, in step (ii) to the multiple target by sampling sub-pix color component
Value to carry out anti-color error handle include: that any one current goal is resisted by the value of sampling sub-pix color component
When color error handle, marks off comprising the current goal by sampling sub-pix color component and adopted with the current goal
Adjacent multiple by the block of pixels of sampling sub-pix color component and based on more in the block of pixels of sample sub-pix color component
The value of a sub-pix color component to be processed and corresponding with the multiple sub-pix color component to be processed multiple initial
Do not judged whether to need to carry out complementary color by the value of sampling sub-pix color component and needing to carry out complementary color in pixel data
When determine complementary color position and complementary color value size, wherein the multiple sub-pix color component to be processed includes the current goal quilt
Sampling sub-pix color component and by sampling sub-pix color component be that different colours type being sampled with the current goal
Sub-pix color component.
In one embodiment of the invention, the block of pixels is 3 × 3 block of pixels, 2 × 2 block of pixels or triangular pixel
Block.
In one embodiment of the invention, the method for above-mentioned determining complementary color value size includes: by the current goal quilt
The value for sampling sub-pix color component updates are as follows: the current goal is by the initial value of sampling sub-pix color component and determination
It with the current goal by sampling sub-pix color component is same in the corresponding original pixel data in all complementary color positions
Color type not by the average value of the value of sample color component；Each described complementary color position is corresponding by sampling sub-pix
The value of color component updates are as follows: the complementary color position is corresponding by the initial value of sampling sub-pix color component, the current mesh
Mark is by corresponding with the complementary color position by sampling sub-pix face in the corresponding original pixel data of sampling sub-pix color component
Colouring component is same color type not by the value of sample color component and other possible corresponding initial pixels in complementary color position
Not divided by sample color for same color type by sampling sub-pix color component corresponding with the complementary color position in data
The average value of the value of amount.
In addition, another embodiment of the present invention provides a kind of LED display display control method, it is aobvious to be applied to a kind of LED
Display screen system, the LED display screen system include front-end control card, receive card and LED display, the reception card electrical connection institute
State front-end control card and the LED display.The LED display display control method is comprising steps of (a) is controlled by the front end
Fabrication receives being split to the image data of input with the size for carrying region to obtain one than the reception for card with reference to described
The band of card carries the original data block of original data more m rows and n column pixel data in region, the initial pictures
Each of data block original pixel data include multiple sub-pix color components value, wherein m, n be positive integer, m >=1 and
n≥1；(b) the original data block reception is sent to from the front controller to block；(c) blocked by the reception
One for obtaining each original pixel data when the original data block carries out sub-pix down-sampling is sampled
Sub-pix color component and obtain it is multiple by sampling sub-pix color component and based on the multiple by sampling sub-pix color point
The value of amount and with the multiple by not sampled in the corresponding multiple original pixel datas of sampling sub-pix color component
The value of sub-pix color component is corresponded to the described initial of band load region to the multiple in sampling sub-pix color component
Multiple targets of image data carry out anti-color error handle by the value of sampling sub-pix color component and obtain multiple anti-colors mistakes
Sub-pix color component value after accidentally handling；And (d) export sub-pix color component value after the multiple anti-color error handle
Multiple LED light points in the band load region for receiving card are respectively driven to the LED display.
In one embodiment of the invention, when three orientation adjoining that the band carries region has the electrical connection LED aobvious
Other bands for receiving card of display screen carry region, then m >=2 and n >=1 or m >=1 and n >=2；And when the band carries the four of region
Adjacent other bands for receiving card for having the LED display in a orientation carry region, then m >=2 and n >=2.
In one embodiment of the invention, the front-end control card is sending card or asynchronous control-card.
In addition, a kind of image data dividing method provided in an embodiment of the present invention, receives card applied to being suitable for being electrically connected
Front-end control card.Described image data dividing method is comprising steps of receive the image data of input, wherein the image of the input
Data are shown for drive control with the LED display for blocking and being electrically connected that receives；And with reference to the band for receiving card
The size for carrying region is partitioned into a picture number that region is carried than the band for receiving card from the image data of the input
Output is after being packaged according to the video data block of more m rows and n column pixel data and by described image data block for reception clamping
It receives, wherein m, n are positive integer, m >=1 and n >=1.
In one embodiment of the invention, the front-end control card is sending card or asynchronous control-card.
From the foregoing, it will be observed that the embodiment of the present invention is executed for anti-color error handle in the occasion for receiving card, using than receiving
Card with the more m rows of original data and the original data block of n column original pixel data needed for carrying region based on
Color error handle is carried out, so may be implemented to the band load region for receiving other reception cards of cassette tape load region and LED display
Original data corresponding to the edge LED light point of neighbouring position carries out anti-color error handle, therefore can be avoided LED
The cassette tape that receives of display screen carries the edge color Problem-Error that region occurs.
Through the following detailed description with reference to the accompanying drawings, other aspects of the invention and feature become obvious.But it should know
Road, which is only the purpose design explained, not as the restriction of the scope of the present invention, this is because it should refer to
Appended claims.It should also be noted that unless otherwise noted, it is not necessary to which scale attached drawing, they only try hard to concept
Ground illustrates structure and process described herein.
Detailed description of the invention
Below in conjunction with attached drawing, specific embodiments of the present invention will be described in detail.
Fig. 1 is the schematic illustration of sub-pix down-sampling.
Fig. 2 is the arrangement schematic diagram of the sub-pix color component obtained after sub-pix down-sampling.
Fig. 3 is a kind of synchronous LED display screen applied by a kind of LED display display control method of the embodiment of the present invention
The configuration diagram of system.
Fig. 4 is a kind of asynchronous LED display screen applied by a kind of LED display display control method of the embodiment of the present invention
The configuration diagram of system.
Image data block size is established rules then schematic diagram really when Fig. 5 is the image data segmentation of the embodiment of the present invention.
Fig. 6 is a kind of display area distribution schematic diagram of LED display of the embodiment of the present invention.
Specific embodiment
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, with reference to the accompanying drawing to the present invention
Specific embodiment be described in detail.
Fig. 3 is referred to, is a kind of synchronization applied by a kind of LED display display control method of the embodiment of the present invention
The configuration diagram of LED display screen system.As shown in figure 3, LED display screen system 30 include control computer 31, sending card 33,
Receive card 35 and LED display 37.Wherein, sending card 33 passes through video interface such as Display Port interface, DVI interface
(Digital Visual Interface, digital visual interface), HDMI interface (High Definition Multimedia
Interface, high-definition multimedia interface) etc. electrical connections control computer 31.Card 35 is received to be electrically connected typically via cable
The output network interface of sending card 33 and the quantity for receiving card 35 are usually multiple with the different display areas for carrying LED display 37.
LED display 37 is usually spliced by multiple LED boxes or mould group, and each LED box or mould group are configured with one or more
Receive card 35.
In addition, the LED display display control method of the embodiment of the present invention is not limited to be applied to synchronous LED display screen system
System, can also be applied to asynchronous LED display screen system as shown in Figure 4.Specifically, asynchronous LED display screen system shown in Fig. 4
40 include asynchronous control-card 41, reception card 43 and LED display 45.Wherein, it is different typically via cable electrical connection to receive card 43
Walking the output network interface of control card 41 and receiving the quantity of card 43 is usually multiple with the different viewing areas for carrying LED display 45
Domain.
Below in conjunction with Fig. 3, Fig. 4, Fig. 5 and Fig. 6 to LED display display control method provided in an embodiment of the present invention into
Row is described in detail；Since sending card 33 and asynchronous control-card 41 are to be connected electrically in the front end for receiving card 35/43, below
Middle system is called front-end control card 33/41.Specifically:
Firstly, after front-end control card 33/41 obtains the original data inputted, with reference to the more of electrical connection LED display
A size with load region for receiving card is split original data to obtain corresponding respectively to the multiple reception card
Multiple original data blocks and be packaged output for corresponding receptions clamping receive use.In the present embodiment, initial pictures
Extended meeting is by carry out sub-pix down-sampling after data, thus can also be referred to as high resolution image data；And initial pictures number
According to each of original pixel data include multiple sub-pix color components (such as red component, green component and blue point
Amount) value.Furthermore since the anti-color error handle subsequent execution in the LED display display control method of the present embodiment exists
In each reception card, therefore front-end control card 33/41 can make to divide when dividing the original data block that each receives card
Original data block afterwards is than the reception card with m row and n column initial pixel number more than original data needed for carrying region
According to, wherein m, n are positive integer, m >==1 and n >=1.In other words, what each reception blocked is located at the reception card with load region
Within the scope of a partial display area on LED display corresponding to original data block.
Above-mentioned, to block according to each reception position difference with load region on LED display is held, what each reception blocked
Original data block and the reception card with the relationship between original data needed for carrying region, there are shown in Fig. 4 three
Kind is possible:
Fig. 5 (a) indicates that such as lower section of two orientation with load region that reception blocks and right adjoining have other receptions to block
Band carries region, in this case, as shown in the oblique line fill part in Fig. 5 (a), the initial graph needed for receiving cassette tape and carrying region
As the lower section of data and right increase separately m row and n column original pixel data, to obtain the original data of the reception card
Block, wherein m >==1 and n >=1, such as m=1 and n=1；
Fig. 5 (b) indicates that there are other receptions in such as lower section, the left and right adjoining of three orientation with load region for receiving card
The band of card carries region, in this case, initial needed for cassette tape load region receiving as shown in Fig. 5 (b) bend fill part
The lower section of image data increases m row original pixel data and the total increase n column original pixel data of the left and right, thus
To the original data block of the reception card, wherein m >==1 and n >=2, such as m=1 and n=2；Further, it is to be appreciated that
If these three orientation are top, lower section and left (or right), m >==2 and n >=1；
Fig. 5 (c) indicates to receive having with four orientation namely top, lower section, the left and right for carrying region adjoining for card
Other bands for receiving card carry region, in this case, as shown in Fig. 5 (c) bend fill part, carry region institute receiving cassette tape
Amount to above and below the original data needed and increases m row original pixel data and the total increase n column of the left and right
Original pixel data, so that the original data block of the reception card is obtained, wherein m >=2 and n >=2, such as m=2 and n=2.
By taking 12 display area 1-12 of LED display shown in fig. 6 as an example, block institute's band by 12 receptions respectively
It carries.It can be learnt according to preceding description:
Situation shown in display area (or with load region) 1,4,9,12 corresponding diagrams 5 (a), front-end control card 33/41 exist
When carrying out original data segmentation, two of the original data needed for display area 1,4,9,12 each itself are needed
A orientation increases separately m row and n column original pixel data, wherein m >=1 and n >=1；
Situation shown in 2,3,5,8,10,11 corresponding diagram 5 (b) of display area, front-end control card 33/41 are carrying out initial graph
When as data segmentation, three sides of the original data needed for display area 2,3,5,8,10,11 each itself are needed
Position is total to increase m row and n column original pixel data, wherein m >=2 and n >=1 or m >=1 and n >=2；
Situation shown in display area 6,7 corresponding diagrams 5 (c), front-end control card 33/41 are carrying out original data point
When cutting, need four orientation of the original data needed for display area 6,7 each itself are total to increase m row and n column
Original pixel data, wherein m >=2 and n >=2；
Also, it can also be learnt as above description: the adjacent original data with reception card corresponding to load region
Block, which exists, to partly overlap, such as with the area original data Kuai Hedaizai for carrying reception card corresponding to region (display area) 1
Domain 2,5 the corresponding original data block for receiving card exist and partly overlap, it is right that band carries region (display area) 5 institute
Answer reception card original data block and with carry region 1,6,9 institute it is corresponding receive block original data block it is equal
In the presence of partly overlapping, with carry the original data block that card is received corresponding to region (display area) 6 and with carry region 2,5,
7,10 it is corresponding receive card original data block exist partly overlap.
Next, being clamped receipts in each reception and obtaining the one's own initial pictures from front-end control card 33/41
After data block, anti-color error handle is carried out to one's own original data block.To simplify explanation, below with any
It is described in detail for the anti-color error handle that one reception card is carried out:
(1) one for obtaining each original pixel data when original data block carries out sub-pix down-sampling is adopted
Sample sub-pix color component and obtain multiple by sampling sub-pix color component, wherein sub-pix down-sampling is at the beginning of each
A sub-pix color component is sampled out in beginning pixel data and other sub-pix color components in the original pixel data not
It is sampled, such as shown in Fig. 1；It is which kind of color point as the sub-pix color component being sampled in each original pixel data
Amount then depends on receiving the arrangement mode with the LED light point in load region of card.Since sub-pix down-sampling technology is known skill
Art, therefore details are not described herein.
(2) based on the multiple by the value of sampling sub-pix color component and with the multiple by sampling sub-pix color
Not sampled by the value of sampling sub-pix color component to the multiple in the corresponding multiple original pixel datas of component
Multiple targets of the original data in band load region are corresponded in sub-pix color component by sampling sub-pix color component
Value carry out anti-color error handle and obtain sub-pix color component value after multiple anti-color error handles.
For summary, any one current goal is carried out at anti-color mistake by the value of sampling sub-pix color component
When reason, mark off comprising the current goal by sampling sub-pix color component and with the current goal by sampling sub-pix face
Adjacent multiple by the block of pixels of sampling sub-pix color component and based on multiple Asias to be processed in the block of pixels of colouring component
In the value of pixel color component and multiple original pixel datas corresponding with the multiple sub-pix color component to be processed
Do not judged whether to need to carry out complementary color by the value of sampling sub-pix color component and determine complementary color when needing to carry out complementary color
Position and complementary color value size, wherein the multiple sub-pix color component to be processed includes the current goal by sampling sub-pix
Color component and with the current goal by sampling sub-pix color component be different colours type by sampling sub-pix color
Component；The block of pixels is, for example, 3 × 3 block of pixels (or nine grids block of pixels), 2 × 2 block of pixels (rectangular block of pixels) or three
Angular block of pixels.As to how judge whether to need to carry out complementary color and how be determined when needing to carry out complementary color complementary color position and
The detail of complementary color value size can refer to application filed in Xi'an Novastar Electronic Technology Co., Ltd.'s on February 12nd, 2015
Number be CN201510075267.1, entitled " image processing method and image processing apparatus " application for a patent for invention,
Disclosed content quotation is in this as reference.It is noted that in the application for a patent for invention, the determination complementary color of proposition
The method of value size includes: to be updated the current goal by the value of sampling sub-pix color component are as follows: the current goal quilt
Sample sub-pix color component initial value and determination the corresponding original pixel data in all complementary color positions in it is described
Current goal is same color type not by the average value of the value of sample color component by sampling sub-pix color component；It will
The corresponding value by sampling sub-pix color component in each described complementary color position updates are as follows: the complementary color position is corresponding to be adopted
The initial value of sample sub-pix color component, the current goal are by the corresponding original pixel data of sampling sub-pix color component
It is corresponding with the complementary color position by sampling sub-pix color component be same color type not by the value of sample color component,
It is corresponding with the complementary color position by sampling sub-pix color in original pixel data corresponding with other possible complementary color positions
Component is same color type not by the average value of the value of sample color component.
Finally, blocking output institute by receiving after obtaining the multiple anti-color error handle after sub-pix color component value
Sub-pix color component value is stated after multiple anti-color error handles to LED display to respectively drive the area reception Ka Daizai
Multiple LED light points in domain, to complete the display control to LED display.
In conclusion the embodiment of the present invention is executed for anti-color error handle in the occasion for receiving card, using than receiving
Color is carried out based on the original data block with the more m rows of image data and n column original pixel data that carry region of card
The position with load area adjacency that other reception cards of region and LED display are carried to reception cassette tape so may be implemented in error handle
Original data corresponding to the edge LED light point set carries out anti-color error handle, so as to avoid LED display
It receives cassette tape and carries the edge color Problem-Error that region occurs.
So far, specific case used herein is to LED display display control method of the invention and image data point
The principle and embodiment of segmentation method is expounded, method of the invention that the above embodiments are only used to help understand
And its core concept；At the same time, for those skilled in the art, according to the thought of the present invention, in specific embodiment and
There will be changes in application range, in conclusion the contents of this specification are not to be construed as limiting the invention, this hair
Bright protection scope should be subject to the attached claims.
Claims (10)
1. a kind of LED display display control method is adapted for carrying out and receives card in the one of electrical connection LED display；Its feature exists
In, the LED display display control method comprising steps of
(i) receive the original data of a partial display area of the LED display, the partial display area it is described
Each of original data original pixel data includes the value of multiple sub-pix color components, and the band for receiving card carries
Region is located within the scope of the partial display area, and the original data of the partial display area carries area than the band
The more m rows of the original data in domain and n column original pixel data, wherein m, n are positive integer, m >=1 and n >=1；
(ii) described in each when original data progress sub-pix down-sampling of the acquisition partial display area
One of original pixel data is obtained multiple by sampling sub-pix color component and based on institute by sampling sub-pix color component
State it is multiple by the value of sampling sub-pix color component and with it is the multiple corresponding multiple by sampling sub-pix color component
In original pixel data not by the value of sampling sub-pix color component to the multiple by right in sampling sub-pix color component
The multiple targets for answering the band to carry the original data in region carry out anti-color by the value of sampling sub-pix color component
Error handle obtains sub-pix color component value after multiple anti-color error handles；And
(iii) sub-pix color component value is exported after the multiple anti-color error handle to the LED display to drive respectively
Move multiple LED light points in band load region.
2. LED display display control method as described in claim 1, which is characterized in that when the band carries three of region
Adjacent other bands for receiving card for having the electrical connection LED display in orientation carry region, then m >=2 and n >=1 or m >=1 and n
≥2；And when adjacent other bands for receiving card for having the electrical connection LED display in four orientation that the band carries region carry
Region, then m >=2 and n >=2.
3. LED display display control method as described in claim 1, which is characterized in that in step (ii), to described more
A target carries out anti-color error handle by the value of sampling sub-pix color component
When carrying out anti-color error handle by the value of sampling sub-pix color component for any one current goal, packet is marked off
Containing the current goal by sampling sub-pix color component and adjacent by sampling sub-pix color component with the current goal
It is multiple by the block of pixels of sampling sub-pix color component and based on multiple sub-pix color components to be processed in the block of pixels
Value and multiple original pixel datas corresponding with the multiple sub-pix color component to be processed in it is sub- by sampling
The value of pixel color component judges whether to need to carry out complementary color and determines complementary color position and complementary color value when needing to carry out complementary color
Size, wherein the multiple sub-pix color component to be processed include the current goal by sampling sub-pix color component and with
The current goal is different colours type by sampling sub-pix color component by sampling sub-pix color component.
4. LED display display control method as claimed in claim 3, which is characterized in that the block of pixels is 3 × 3 pixels
Block, 2 × 2 block of pixels or triangular pixel block.
5. LED display display control method as claimed in claim 3, which is characterized in that the method for determining complementary color value size
Include:
The current goal is updated by the value of sampling sub-pix color component are as follows: the current goal is by sampling sub-pix color
It is sampled in the initial value of component and the corresponding original pixel data in all complementary color positions determined with the current goal
Sub-pix color component is same color type not by the average value of the value of sample color component；
The corresponding value by sampling sub-pix color component in each described complementary color position is updated are as follows: the complementary color position is corresponding
By the initial value of sampling sub-pix color component, the current goal by the corresponding initial pixel of sampling sub-pix color component
Not divided by sample color for same color type by sampling sub-pix color component corresponding with the complementary color position in data
It is corresponding with the complementary color position in the value of amount and other possible corresponding original pixel datas in complementary color position to be sampled sub- picture
Plain color component is same color type not by the average value of the value of sample color component.
6. a kind of LED display display control method, is applied to a kind of LED display screen system, the LED display screen system includes
Front-end control card receives card and LED display, and the reception card is electrically connected the front-end control card and the LED display；Its
Be characterized in that, the LED display display control method comprising steps of
(a) size with load region of the reception card as described in the front-end control card reference is split the image data of input
With obtain one than it is described receive card the band carry region original data more than m row and n column pixel data initial pictures
Data block, each of described original data block original pixel data include the value of multiple sub-pix color components,
Middle m, n are positive integer, m >=1 and n >=1；
(b) the original data block reception is sent to from the front-end control card to block；
(c) by described each described initial picture received when card obtains the original data block progress sub-pix down-sampling
One of prime number evidence is obtained multiple by sampling sub-pix color component and based on the multiple by sampling sub-pix color component
By the value of sampling sub-pix color component and with the multiple by the corresponding multiple initial pictures of sampling sub-pix color component
Prime number in not by the value of sampling sub-pix color component to the multiple described in corresponding in sampling sub-pix color component
Multiple targets with the original data for carrying region are carried out at anti-color mistake by the value of sampling sub-pix color component
Reason obtains sub-pix color component value after multiple anti-color error handles；And
(d) sub-pix color component value is exported after the multiple anti-color error handle to the LED display to respectively drive
The band for receiving card carries multiple LED light points in region.
7. LED display display control method as claimed in claim 6, which is characterized in that when the band carries three of region
Adjacent other bands for receiving card for having the electrical connection LED display in orientation carry region, then m >=2 and n >=1 or m >=1 and n
≥2；And when adjacent other bands for receiving card for having the electrical connection LED display in four orientation that the band carries region carry
Region, then m >=2 and n >=2.
8. LED display display control method as claimed in claim 6, which is characterized in that the front-end control card is to send
Card or asynchronous control-card.
9. a kind of image data dividing method, applied to the front-end control card for being suitable for being electrically connected reception card；It is characterized in that, described
Image data dividing method comprising steps of
The image data of input is received, wherein the image data of the input receives what card was electrically connected with described for drive control
LED display is shown；And
One is partitioned into from the image data of the input with reference to the size with load region for receiving card to block than the reception
The band carry region the more m rows of image data and n column pixel data video data block and described image data block is packaged
It is exported afterwards for the band for receiving card and carrying out output and the reception card after anti-color treatments to described image data block
The identical image data of area size is carried to the LED display；Wherein m, n are positive integer, m >=1 and n >=1.
10. image data dividing method as claimed in claim 9, which is characterized in that the front-end control card be sending card or
Asynchronous control-card.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510408088.5A CN106356020B (en) | 2015-07-13 | 2015-07-13 | LED display display control method and image data dividing method |
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