CN110232884A - A kind of fan screen display methods and its system based on virtual pixel - Google Patents
A kind of fan screen display methods and its system based on virtual pixel Download PDFInfo
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- CN110232884A CN110232884A CN201910493207.XA CN201910493207A CN110232884A CN 110232884 A CN110232884 A CN 110232884A CN 201910493207 A CN201910493207 A CN 201910493207A CN 110232884 A CN110232884 A CN 110232884A
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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
- G09G3/005—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes forming an image using a quickly moving array of imaging elements, causing the human eye to perceive an image which has a larger resolution than the array, e.g. an image on a cylinder formed by a rotating line of LEDs parallel to the axis of rotation
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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
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
- G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
- G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
Abstract
The invention discloses a kind of fan screen display methods and its system based on virtual pixel, the display methods include: A, are sampled to image to be shown or video n times by the GRB lamp bead being uniformly arranged in LED light bar, obtain the sampled data of n times sampling；B, sampled data each time is all refreshed, obtains the refresh data of n times refreshing；C, the gray value of real pixel is determined according to refresh data each time, to show 3D stereo-picture.Fan screen display methods and its system provided by the present invention based on virtual pixel, due to frame image refreshing n times, it is equivalent to and the resolution ratio of image is improved N times, refined the width for the barber-pole stripes that fan screen is shown, effective solution has barber-pole stripes.
Description
Technical field
The present invention relates to fan screen field of display technology more particularly to a kind of fan screen based on virtual pixel to show
Method and its system.
Background technique
Human eye is most sensitive to red, green, blue, and most of color can be by three color of red, green, blue according to different ratios
It is synthetically produced, same overwhelming majority monochromatic light can also resolve into three kinds of coloured light of RGB.This is the most basic principle of colorimetry,
That is the principle of three primary colours.Red-green-blue is known as additive color mixture according to different ratio additional combining colour mixtures, in addition to additive color mixture
There are also subtractive colour mixing methods except method.It can be added to subtract each other as needed and mix colours.It, mutually solely as three kinds of colours of primary colours
Vertical, i.e., any of which primary colours cannot all be generated by other two kinds of mix of basic colors.The colour being obtained by mixing by three primary colours
The brightness of light is equal to the sum of the brightness for participating in each primary colours of mixing.The ratio of three primary colours determines tone and the colour saturation of secondary colour
Degree.
Fan screen in the prior art comprising driving motor and the LED light bar being arranged on the output shaft of driving motor,
The LED light bar is provided with LED lamp bead and lamp bead driving IC, can have barber-pole stripes when carrying out rotational display, cause
Display effect is undesirable.
Therefore, the existing technology needs to be improved and developed.
Summary of the invention
In view of above-mentioned deficiencies of the prior art, the fan screen display based on virtual pixel that the purpose of the present invention is to provide a kind of
Show system, when effective solution display has barber-pole stripes.
Technical scheme is as follows:
A kind of fan screen display system based on virtual pixel comprising following steps:
A, image to be shown or video n times are sampled by the GRB lamp bead being uniformly arranged in LED light bar, is obtained
The sampled data sampled to n times；
B, sampled data each time is all refreshed, obtains the refresh data of n times refreshing；
C, the gray value of real pixel is determined according to refresh data each time, to show 3D stereo-picture.
Preferably, the step A is specifically included:
A1, assume that the single pixel in LED light bar is from left to right uniformly arranged, tri- sons of 1R1G1B that each pixel includes
Pixel arranges in the horizontal direction；
A2, the real pixel sampled for the first time are as follows:
L1=N × n+1 (n=0,1,2,3 ...)；
A3, second of real pixel sampled are as follows:
L2=N × n+2 (n=0,1,2,3 ...)；
The real pixel that A4, third time sample are as follows:
L3=N × n+3 (n=0,1,2,3 ...)；
The real pixel that A5, n-th sample are as follows:
LN=N × n+N (n=0,1,2,3 ...).
Preferably, the step B is specifically included:
B1, the real pixel refreshed for the first time are as follows: RGB (n), (n=1,2,3 ...)；
B2, second of real pixel refreshed are as follows: GB (n) R (n+1), (n=1,2,3 ...)；
The real pixel that B3, third time refresh are as follows: B (n) RG (n+1), (n=1,2,3 ...)；
B4, circulation execute step B1 to B3.
Preferably, the step C is specifically included:
C1, the coloration for assuming real pixel are RGB (R, G, B), and the gray value of any pixel extracts in image to be displayed
Formula are as follows:
Gray=R × 0.299+G × 0.587+B × 0.114；
C2, after going out gray value according to gray value extraction formulas Extraction, three of RGB LED at each pixel are calculated
A RGB gray value.
Preferably, the sampling number and refreshing frequency be all are as follows:
Wherein r is the radius of LED light bar, and b is the width of GRB lamp bead.
The present invention also provides a kind of fan screen display system based on virtual pixel comprising: fan screen ontology；
Control section；
The control section includes:
Sampling module, the sampling module obtain n times sampling for sampling to image to be shown or video n times
Sampled data；
Refresh module, the refresh module obtain the brush of n times refreshing for all refreshing to sampled data each time
New data；
Display module, the display module are used to determine the gray value of real pixel according to refresh data each time, from
And show 3D stereo-picture.
Preferably, the sampling module includes:
First sampling unit, first sampling unit are used for real pixel L1=N × n+1 (n=0,1,2,3 ...)
It is sampled；
Second sampling unit, second sampling unit are used for real pixel L2=N × n+2 (n=0,1,2,3 ...)
It is sampled；
Third sampling unit, the third sampling unit are used for real pixel L3=N × n+3 (n=0,1,2,3 ...)
It is sampled；
4th sampling unit, the 4th sampling unit are used for real pixel LN=N × n+N (n=0,1,2,3 ...)
It is sampled.
Preferably, the refresh module includes:
First refresh unit, first refresh unit is for brushing real pixel RGB (n), (n=1,2,3 ...)
Newly；
Second refresh unit, second refresh unit are used for real pixel GB (n) R (n+1), (n=1,2,3 ...)
Refreshed；
Third refresh unit, the third refresh unit are used for real pixel B (n) RG (n+1), (n=1,2,3 ...)
Refreshed；
Cycling element, the cycling element is for the first refresh unit, the second refresh unit and third refresh unit circulation
Work.
Preferably, the display module includes:
Extraction unit, the extraction unit are used to extract according to formula Gray=R × 0.299+G × 0.587+B × 0.114
The gray value of any pixel；
Display unit, the display unit are shown after being used to calculate three RGB gray values of RGB LED at each pixel
It shows and.
Preferably, the sampling number and refreshing frequency be all are as follows:
Wherein r is the radius of LED light bar, and b is the width of GRB lamp bead.
Compared with prior art, the embodiment of the present application mainly have it is following the utility model has the advantages that
Fan screen display methods and its system provided by the present invention based on virtual pixel, the display methods include:
A, image to be shown or video n times are sampled by the GRB lamp bead being uniformly arranged in LED light bar, obtains n times sampling
Sampled data；B, sampled data each time is all refreshed, obtains the refresh data of n times refreshing；C, according to each time
Refresh data determine the gray value of real pixel, to show 3D stereo-picture, due to frame image refreshing n times, quite
In the resolution ratio of image is improved N times, the width for the barber-pole stripes that fan screen is shown is refined, there are spirals for effective solution
The problem of striped.
Detailed description of the invention
In order to illustrate more clearly of the scheme of the application, one will be made to attached drawing needed in embodiment description below
A simple introduction, it should be apparent that, the accompanying drawings in the following description is some embodiments of the present application, for ordinary skill
For personnel, without creative efforts, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the flow diagram of the fan screen display methods preferred embodiment based on virtual pixel in the present invention.
Fig. 2 is the first detailed process in the fan screen display methods preferred embodiment based on virtual pixel in the present invention
Schematic diagram.
Fig. 3 is the second detailed process in the fan screen display methods preferred embodiment based on virtual pixel in the present invention
Schematic diagram.
Fig. 4 is the third detailed process in the fan screen display methods preferred embodiment based on virtual pixel in the present invention
Schematic diagram.
Fig. 5 is the module diagram of the fan screen display system preferred embodiment based on virtual pixel in the present invention.
Specific embodiment
Unless otherwise defined, all technical and scientific terms used herein and the skill for belonging to present techniques field
The normally understood meaning of art personnel is identical；It is specific that description is intended merely in the term used in the description of application herein
The purpose of embodiment, it is not intended that in limitation the application；In the description and claims of this application and above-mentioned Detailed description of the invention
Term " includes " and " having " and their any deformation, it is intended that cover and non-exclusive include.The explanation of the application
Book and claims or term " first " in above-mentioned attached drawing, " second " etc. rather than are used for for distinguishing different objects
Particular order is described.
Referenced herein " embodiment " is it is meant that a particular feature, structure, or characteristic described can wrap in conjunction with the embodiments
It is contained at least one embodiment of the application.Each position in the description occur the phrase might not each mean it is identical
Embodiment, nor the independent or alternative embodiment with other embodiments mutual exclusion.Those skilled in the art explicitly and
Implicitly understand, embodiment described herein can be combined with other embodiments.
As shown in Figure 1, a kind of fan screen display system based on virtual pixel that present pre-ferred embodiments provide, packet
Include following steps:
S100, image to be shown or video n times are sampled by the GRB lamp bead being uniformly arranged in LED light bar,
Obtain the sampled data of n times sampling；
S200, sampled data each time is all refreshed, obtains the refresh data of n times refreshing；
S300, the gray value of real pixel is determined according to refresh data each time, to show 3D stereo-picture.
COB encapsulates full name chip on board encapsulation (Chips on Board, COB), is one in order to solve LED heat dissipation problem
Kind technology.Compared to direct insertion and SMD its main feature is that saving space, simplifying packaging operation, there is efficient heat management mode.COB
Encapsulation is exactly that bare chip is conductive or non-conductive adhesive is adhered on interconnection substrates, then carries out wire bonding and realizes that it electrically connects
It connects.If bare chip is directly exposed to air, vulnerable to pollution or artificial damage influence or destroy chip functions, then just use
Glue is encapsulated chip and bonding wire, and people are also referred to as this packing forms as Soft Roll envelope.
Since lamp bar is encapsulated using COB, the distance between single independent pixel can accomplish very little, using virtual pixel method
When, the distance of the sub-pixel of two physical picture elements also very little, virtual pixel algorithm, which thus can be used, and have does not influence body
Under the premise of testing, the problem of improving the fine and smooth degree of display, while also can solve barber-pole stripes.
Assuming that a frame picture needs to refresh n times, just display is complete completely, makes above-mentioned refreshing using the principle of the persistence of vision
Display methods.
As shown in Fig. 2, the step S100 is specifically included in the further preferred embodiment of the present invention:
S101, assume that the single pixel in LED light bar is from left to right uniformly arranged, each pixel include 1R1G1B tri-
Sub-pixel arranges in the horizontal direction；
S102, the real pixel sampled for the first time are as follows:
L1=N × n+1 (n=0,1,2,3 ...)；
S103, second of real pixel sampled are as follows:
L2=N × n+2 (n=0,1,2,3 ...)；
The real pixel that S104, third time sample are as follows:
L3=N × n+3 (n=0,1,2,3 ...)；
The real pixel that S105, n-th sample are as follows:
LN=N × n+N (n=0,1,2,3 ...).
As shown in figure 3, the step S200 is specifically included in the further preferred embodiment of the present invention:
S201, the real pixel refreshed for the first time are as follows: RGB (n), (n=1,2,3 ...)；
S202, second of real pixel refreshed are as follows: GB (n) R (n+1), (n=1,2,3 ...)；
The real pixel that S203, third time refresh are as follows: B (n) RG (n+1), (n=1,2,3 ...)；
S204, circulation execute step S201 to S203.
The real pixel refreshed for the first time are as follows: RGB (n), (n=1,2,3 ...) refresh the LED lamp bead lighted for the first time
Are as follows: RGB (1), RGB (2), RGB (3).
Second of real pixel refreshed are as follows: GB (n) R (n+1), (n=1,2,3 ...), i.e. second of refreshing are lighted
LED lamp bead: the GB of first LED lamp bead, the R of second LED lamp bead, the GB of third LED lamp bead, the 4th LED lamp bead
R, and so on.
The real pixel that third time refreshes are as follows: B (n) RG (n+1), (n=1,2,3 ...), i.e. third time refreshing are lighted
LED lamp bead: the B of first LED lamp bead, the RB of second LED lamp bead, the B of second LED lamp bead, third LED lamp bead
RG, and so on.
As shown in figure 4, the step S300 is specifically included in the further preferred embodiment of the present invention:
S301, the coloration for assuming real pixel are RGB (R, G, B), and the gray value of any pixel mentions in image to be displayed
Take formula are as follows:
Gray=R × 0.299+G × 0.587+B × 0.114；
S302, after going out gray value according to gray value extraction formulas Extraction, RGB LED at each pixel is calculated
Three RGB gray values.
In the further preferred embodiment of the present invention, the sampling number and refreshing frequency are all are as follows:
Wherein r is the radius of LED light bar, and b is the width of GRB lamp bead.
As shown in figure 5, the present invention also provides a kind of fan screen display system based on virtual pixel comprising: fan
Shield ontology 10；
Control section 20；
The control section 20 includes:
Sampling module 201, the sampling module 201 obtain N for sampling to image to be shown or video n times
The sampled data of secondary sampling；
Refresh module 202, the refresh module 202 obtain n times brush for all refreshing to sampled data each time
New refresh data；
Display module 203, the display module 203 are used to determine the gray scale of real pixel according to refresh data each time
Value, to show 3D stereo-picture.
In the further preferred embodiment of the present invention, the sampling module includes:
First sampling unit, first sampling unit are used for real pixel L1=N × n+1 (n=0,1,2,3 ...)
It is sampled；
Second sampling unit, second sampling unit are used for real pixel L2=N × n+2 (n=0,1,2,3 ...)
It is sampled；
Third sampling unit, the third sampling unit are used for real pixel L3=N × n+3 (n=0,1,2,3 ...)
It is sampled；
4th sampling unit, the 4th sampling unit are used for real pixel LN=N × n+N (n=0,1,2,3 ...)
It is sampled.
In the further preferred embodiment of the present invention, the refresh module includes:
First refresh unit, first refresh unit is for brushing real pixel RGB (n), (n=1,2,3 ...)
Newly；
Second refresh unit, second refresh unit are used for real pixel GB (n) R (n+1), (n=1,2,3 ...)
Refreshed；
Third refresh unit, the third refresh unit are used for real pixel B (n) RG (n+1), (n=1,2,3 ...)
Refreshed；
Cycling element, the cycling element is for the first refresh unit, the second refresh unit and third refresh unit circulation
Work.
In the further preferred embodiment of the present invention, the display module includes:
Extraction unit, the extraction unit are used to extract according to formula Gray=R × 0.299+G × 0.587+B × 0.114
The gray value of any pixel；
Display unit, the display unit are shown after being used to calculate three RGB gray values of RGB LED at each pixel
It shows and.
In the further preferred embodiment of the present invention, the sampling number and refreshing frequency are all are as follows:
Wherein r is the radius of LED light bar, and b is the width of GRB lamp bead.
In conclusion the fan screen display methods and its system provided by the present invention based on virtual pixel, the display
Method includes: A, is sampled to image to be shown or video n times by the GRB lamp bead being uniformly arranged in LED light bar, is obtained
The sampled data sampled to n times；B, sampled data each time is all refreshed, obtains the refresh data of n times refreshing；C, root
The gray value of real pixel is determined according to refresh data each time, so that 3D stereo-picture is shown, due to a frame image refreshing
N times are equivalent to and the resolution ratio of image are improved N times, refined the width for the barber-pole stripes that fan screen is shown, effective solution
There are barber-pole stripes.
Obviously, embodiments described above is merely a part but not all of the embodiments of the present application, attached
The preferred embodiment of the application is given in figure, but is not intended to limit the scope of the patents of the application.The application can be with many differences
Form realize, on the contrary, purpose of providing these embodiments is keeps the understanding to disclosure of this application more thorough
Comprehensively.Although the application is described in detail with reference to the foregoing embodiments, for coming for those skilled in the art,
Can still modify to technical solution documented by aforementioned each specific embodiment, or to part of technical characteristic into
Row equivalence replacement.All equivalent structures done using present specification and accompanying drawing content, are directly or indirectly used in other
Relevant technical field, similarly within the application scope of patent protection.
Claims (10)
1. a kind of fan screen display methods based on virtual pixel, which comprises the steps of:
A, image to be shown or video n times are sampled by the GRB lamp bead being uniformly arranged in LED light bar, obtains n times
The sampled data of sampling；
B, sampled data each time is all refreshed, obtains the refresh data of n times refreshing；
C, the gray value of real pixel is determined according to refresh data each time, to show 3D stereo-picture.
2. the fan screen display methods according to claim 1 based on virtual pixel, which is characterized in that the step A tool
Body includes:
A1, assume that the single pixel in LED light bar is from left to right uniformly arranged, tri- sub-pixels of 1R1G1B that each pixel includes
It arranges in the horizontal direction；
A2, the real pixel sampled for the first time are as follows:
L1=N × n+1 (n=0,1,2,3 ...)；
A3, second of real pixel sampled are as follows:
L2=N × n+2 (n=0,1,2,3 ...)；
The real pixel that A4, third time sample are as follows:
L3=N × n+3 (n=0,1,2,3 ...)；
The real pixel that A5, n-th sample are as follows:
LN=N × n+N (n=0,1,2,3 ...).
3. the fan screen display methods according to claim 1 based on virtual pixel, which is characterized in that the step B tool
Body includes:
B1, the real pixel refreshed for the first time are as follows: RGB (n), (n=1,2,3 ...)；
B2, second of real pixel refreshed are as follows: GB (n) R (n+1), (n=1,2,3 ...)；
The real pixel that B3, third time refresh are as follows: B (n) RG (n+1), (n=1,2,3 ...)；
B4, circulation execute step B1 to B3.
4. the fan screen display methods according to claim 1 based on virtual pixel, which is characterized in that the step C tool
Body includes:
C1, the coloration for assuming real pixel are RGB (R, G, B), and the gray value of any pixel extracts formula in image to be displayed
Are as follows:
Gray=R × 0.299+G × 0.587+B × 0.114；
C2, after going out gray value according to gray value extraction formulas Extraction, three of RGB LED at each pixel are calculated
RGB gray value.
5. the fan screen display methods according to claim 1 based on virtual pixel, which is characterized in that the sampling number
All with refreshing frequency are as follows:
Wherein r is the radius of LED light bar, and b is the width of GRB lamp bead.
6. a kind of fan screen display system based on virtual pixel, comprising: fan screen ontology, which is characterized in that described based on void
The fan screen display system of quasi- pixel further include: control section；
The control section includes:
Sampling module, the sampling module obtain adopting for n times sampling for sampling to image to be shown or video n times
Sample data；
Refresh module, the refresh module obtain the refreshing number of n times refreshing for all refreshing to sampled data each time
According to；
Display module, the display module are used to determine the gray value of real pixel according to refresh data each time, thus aobvious
3D stereo-picture is shown.
7. the fan screen display system according to claim 6 based on virtual pixel, which is characterized in that the sampling module
Include:
First sampling unit, first sampling unit are used for real pixel point L1=N × n+1 (n=0,1,2,3 ...) is carried out
Sampling；
Second sampling unit, second sampling unit are used for real pixel point L2=N × n+2 (n=0,1,2,3 ...) is carried out
Sampling；
Third sampling unit, the third sampling unit are used for real pixel point L3=N × n+3 (n=0,1,2,3 ...) is carried out
Sampling；
4th sampling unit, the 4th sampling unit are used for real pixel point LN=N × n+N (n=0,1,2,3 ...) is carried out
Sampling.
8. the fan screen display system according to claim 6 based on virtual pixel, which is characterized in that the refresh module
Include:
First refresh unit, first refresh unit is for refreshing real pixel RGB (n), (n=1,2,3 ...)；
Second refresh unit, second refresh unit are used to carry out real pixel GB (n) R (n+1), (n=1,2,3 ...)
Refresh；
Third refresh unit, the third refresh unit are used to carry out real pixel B (n) RG (n+1), (n=1,2,3 ...)
Refresh；
Cycling element, the cycling element are used for the first refresh unit, the second refresh unit and third refresh unit cycle operation.
9. the fan screen display system according to claim 6 based on virtual pixel, which is characterized in that the display module
Include:
Extraction unit, the extraction unit are used to extract according to formula Gray=R × 0.299+G × 0.587+B × 0.114 any
The gray value of pixel；
Display unit, the display unit are shown after being used to calculate three RGB gray values of RGB LED at each pixel
Come.
10. the fan screen display system according to claim 6 based on virtual pixel, which is characterized in that the sampling time
Several and refreshing frequency is all are as follows:
Wherein r is the radius of LED light bar, and b is the width of GRB lamp bead.
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| CN114093312A (en) * | 2021-11-26 | 2022-02-25 | 卡莱特云科技股份有限公司 | Display data generation method and device based on virtual pixels |
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| CN108074496A (en) * | 2017-11-08 | 2018-05-25 | 深圳市屯奇尔科技有限公司 | Diameter sampling rotation RGB light bar display methods, device and computer readable storage medium |
| US20190139483A1 (en) * | 2017-11-08 | 2019-05-09 | Shenzhen Tunkey Technology Co., Ltd. | Rgb light strips display method and display device |
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