CN110148137A - A kind of the image cutting method and system of the rotational display screen based on splicing - Google Patents
A kind of the image cutting method and system of the rotational display screen based on splicing Download PDFInfo
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- CN110148137A CN110148137A CN201910407950.9A CN201910407950A CN110148137A CN 110148137 A CN110148137 A CN 110148137A CN 201910407950 A CN201910407950 A CN 201910407950A CN 110148137 A CN110148137 A CN 110148137A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
- G06F3/1423—Digital output to display device ; Cooperation and interconnection of the display device with other functional units controlling a plurality of local displays, e.g. CRT and flat panel display
- G06F3/1446—Digital output to display device ; Cooperation and interconnection of the display device with other functional units controlling a plurality of local displays, e.g. CRT and flat panel display display composed of modules, e.g. video walls
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/10—Segmentation; Edge detection
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
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- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/302—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements characterised by the form or geometrical disposition of the individual elements
- G09F9/3026—Video wall, i.e. stackable semiconductor matrix display modules
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/33—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being semiconductor devices, e.g. diodes
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Abstract
The present invention discloses the image cutting method and system of a kind of rotational display screen based on splicing, method cuts artwork plate for the rotational display screen of at least two splicing comprising steps of generating, it is described to cut the template data that artwork plate includes white picture and at least two being arranged in white picture circle, at least two circle is equal with the rotational display screen that at least two is spliced, and template data includes central coordinate of circle, level and the intersection circle of each circle；According to the modulus data for cutting artwork plate and obtaining each circle；Modulus is carried out to the picture of material to be shown by the modulus data of each circle and obtains the image data of each circle.The present invention is based on the image cutting method of the rotational display screen of splicing and systems, the image of the lap of the irregular shape of the rotational display screen of splicing is handled, by to circle modulus, color filling, the comparison of pixel pixel value, new modulus data are obtained, lap is removed, has saved a large amount of time, cost of labor.
Description
Technical field
The present invention relates to technical field of computer vision, more particularly, to a kind of rotational display screen based on splicing
Image cutting method and system.
Background technique
With the rise of rotational display screen, there is a kind of new tiled display scheme.The rotational display screen of splicing is one
The rotational display screen of splicing is layered two-by-two, is superimposed, partially overlapping that it is one bigger to be formed by kind just round display screen
Screen, we term it the rotational display screens of splicing.The connection scheme has lap, the rotational display screen of splicing due to centre
The image of lap can generate light interference, therefore, need to handle it when carrying out image cutting, otherwise
It will affect display effect.To cooperate this displaying scheme, mostly or manually pass through image processing software or view on market today
Frequency processing software cuts optimization manually, and this method is time-consuming, effort and expensive, and cutting effect is poor.
Summary of the invention
The technical problem to be solved in the present invention is that the image of the lap of the rotational display screen of splicing can generate light
Interference, in view of the above drawbacks of the prior art, provides the image cutting method and system of a kind of rotational display screen based on splicing.
The technical solution adopted by the present invention to solve the technical problems is: according to the first aspect of the invention, providing one kind
The image cutting method of rotational display screen based on splicing, specifically includes step:
Generate the rotational display screen at least two splicing cuts artwork plate, and cutting artwork plate includes white picture, Yi Jishe
The template data of at least two circle in white picture is set, the rotational display screen that at least two circle splices at least 2 is equal,
Template data includes central coordinate of circle, level and the intersection circle of each circle；
The modulus data of each circle are obtained according to template data；
Modulus is carried out to the picture of material to be shown by the modulus data of each circle and obtains the image data of each circle；To
Display material is picture, video or gif.
Preferably, the modulus data of each circle are obtained according to template data, comprising steps of
S211, the sector that circle is divided into L aliquot；The angle of each sector is a=360/L；
S212, each sector is carried out according to the LED light number E of at least one LED flabellum of the rotational display screen of splicing
Segmentation；
S213, the corresponding pixel coordinate (xp, yp) of calculating L row E LED lamp are modulus data.
Preferably, round central coordinate of circle is C (x0, y0), and round radius is r；
The calculation formula of round pixel coordinate (xp, yp) are as follows:
Preferably, at least two circle includes circle 1 and circle 2, and circle 1 and 2 parts of circle are overlapping setting, and the circle 1 is upper layer,
Circle 2 is lower layer；
The modulus data that each circle is obtained according to template data, further comprise the steps of:
S221, the pixel value of circle 1 in white picture is set in the new picture of (0,0,0) acquisition: institute in traversal white picture
Some pixels, when the pixel coordinate of pixel is less than or equal to r at a distance from the center of circle of circle 1, by the pixel value of pixel
It is set as (0,0,0) and obtains new picture；
Lap in S222, acquisition circle 2 with circle 1: modulus is carried out to new picture with the modulus data of circle 2 and obtains circle 2
Pixel value, pixel value be (0,0,0) be circle 1 with circle 2 lap；
S223, the new modulus data for obtaining circle 2: the modulus data of the lap of circle 2 are deleted to obtain the new modulus of circle 2
Data.
Preferably, the central coordinate of circle of circle 1 is C1 (x10, y10), x10=x0, y10=y0；Circle 2 central coordinate of circle be then
C2 (x20, y20), x20=x0+S, y20=y0, S are the center of circle of circle 1 at a distance from the center of circle of circle 2；
The calculation formula of the pixel coordinate (x1p, y1p) of circle 1 are as follows:
The calculation formula of the pixel coordinate (x2p, y2p) of circle 2 are as follows:
Preferably, at least two circle includes circle 1 and circle 2, and circle 1 and 2 parts of circle are overlapping setting, and circle 1 is upper layer, and round 2
For lower layer；It further comprises the steps of:
The coordinate data of S15, the coordinate data for generating circle 1 respectively and circle 2, specifically include step:
The true coordinates data (x2, y2) of S151, the true coordinates data (x1, y1) for generating circle 1 and circle 2；
S152, the overlay coordinates data (xc, yc) for obtaining 2 juxtaposition parts of circle 1 and circle；
The coordinate data (x2, y2) of S153, the coordinate data (x1, y1) of circle 1 and circle 2 are as follows:
Preferably, the modulus data that each circle is obtained according to template data, further comprise the steps of:
S201, the modulus data of circle 1 and the modulus of circle 2 are obtained according to the coordinate data of circle 1 and the coordinate data of circle 2 respectively
Data.
According to an aspect of the present invention, a kind of computer-readable storage medium is provided, is stored with meter on the storage medium
Calculation machine program, the computer program are performed the image cutting side for realizing the rotational display screen based on splicing as described above
Method.
According to an aspect of the present invention, a kind of image cutter device of rotational display screen based on splicing, including processing are provided
Device and memory；Wherein, the memory is for storing computer program, and the processor is for executing the memory storage
Computer program so that the processor executes the image cutting method of the rotational display screen based on splicing as described above.
According to an aspect of the present invention, a kind of image diced system of rotational display screen based on splicing, including at least 2 are provided
The image cutter device of the rotational display screen of a splicing and the rotational display screen based on splicing；Wherein, described based on splicing
The image cutter device of rotational display screen includes processor and memory；The memory is described for storing computer program
Processor is used to execute the computer program of the memory storage, so that the processor executes as described above based on splicing
Rotational display screen image cutting method.
Implement to have as follows the present invention is based on the image cutting method of the rotational display screen of splicing and the technical solution of system
Advantage or the utility model has the advantages that the present invention is based on the image cutting method of the rotational display screen of splicing and system, the spy of rotational display screen
Point is that when showing black image, entire screen is transparent, and closer to the color value of black, transparency is higher, when
It is fully transparent when RGB color value is all is 0.To the image of the lap of the irregular shape of the rotational display screen of splicing into
Row processing, by the way that circle modulus, color filling, pixel color value comparison obtains new modulus data, removes lap, section
About a large amount of time, cost of labor.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, required use in being described below to embodiment
Attached drawing be briefly described, it is therefore apparent that drawings in the following description are only some embodiments of the invention, for ability
For the those of ordinary skill of domain, without creative efforts, it can also be obtained according to these attached drawings other attached
Scheme, in attached drawing:
Fig. 1 is the first pass schematic diagram of the image cutting method embodiment of the rotational display screen the present invention is based on splicing；
Fig. 2 is the second procedure schematic diagram of the image cutting method embodiment of the rotational display screen the present invention is based on splicing；
Fig. 3 is the rotational display screen signal of the image cutting method embodiment of the rotational display screen the present invention is based on splicing
Figure；
Fig. 4 is the coordinate system schematic diagram of the image cutting method embodiment of the rotational display screen the present invention is based on splicing；
Fig. 5 is the modulus schematic diagram of the image cutting method embodiment of the rotational display screen the present invention is based on splicing.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, the various examples that will be described below
Property embodiment will refer to corresponding attached drawing, these attached drawings constitute a part of exemplary embodiment, and which describe realizations
The various exemplary embodiments that the present invention may use, unless otherwise indicated, same numbers in different attached drawings indicate it is identical or
Similar element.Embodiment described in following exemplary embodiment does not represent all implementations consistent with this disclosure
Mode.It should be appreciated that they are only and as detailed in the attached claim, some aspects disclosed by the invention are consistent
The example of device and method also can be used other embodiments, or carry out structurally and functionally to embodiment enumerated herein
Modification, without departing from the scope of the present invention and essence.In other cases, it omits to well-known system, device, electricity
The detailed description of road and method, in case unnecessary details interferes description of the invention.
In the description of the present invention, it is to be understood that, term " center ", " vertical ", " transverse direction ", " length ", " thickness ",
" up and down all around ", "vertical", "horizontal", "top", "bottom", "inner", "outside", " clockwise ", the orientation of instruction " counterclockwise "
Or positional relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description of the present invention and simplification of the description, and
Be not the element of indication or suggestion meaning must have specific orientation, be constructed and operated in a specific orientation, it is thus impossible to
It is interpreted as limitation of the present invention.In addition, term " circle 1 ", " circle 2 " are used for description purposes only, and it should not be understood as instruction or dark
Show relative importance or implicitly indicates the quantity of indicated technical characteristic.The feature of " circle 1 ", " circle 2 " that limit as a result, can
To explicitly or implicitly include one or more feature.In the description of the present invention, the meaning of " plurality " is two
It is a or more than two, unless otherwise specifically defined.It for the ordinary skill in the art, can be according to specific
Situation understands the concrete meaning of above-mentioned term in the present invention.
In order to illustrate technical solutions according to the invention, the following is a description of specific embodiments.
Embodiment one:
As Fig. 1-5 shows the image cutting method and system embodiment offer of the rotational display screen the present invention is based on splicing
Schematic diagram, for ease of description, only parts related to embodiments of the present invention are shown.
The present invention is based on the image cutting method embodiments of the rotational display screen of splicing, specifically include step:
S10, it generates and cuts artwork plate for the rotational display screen of at least two splicing, the artwork plate of cutting includes white print
The template data of piece and at least two being arranged in white picture circle, the round rotational display at least two splicing of at least two
Screen is equivalent, and the template data includes central coordinate of circle, level and the intersection circle of each circle.Preferably, the lower-left of white picture
Angle is in coordinate origin.
S20, the modulus data that each circle is obtained according to template data；Specifically include step:
S211, the sector that circle is divided into L aliquot；The angle of each sector is a=360/L；
S212, each sector is carried out according to the LED light number E of at least one LED flabellum of the rotational display screen of splicing
Segmentation；Specifically, rotational display screen includes at least one LED flabellum, each LED flabellum includes E LED light.Preferably,
Holographic display includes at least one LED flabellum, such as can be 1,2,3,4, and preferably 4, on each LED flabellum
Equipped with E LED lamp, particular number is not limited herein.
S213, the corresponding pixel coordinate (xp, yp) of calculating row k m LED lamp are modulus data, specifically, what k referred to
It is the quantity of sector, range is less than or equal to L, and m refers to that the number of LED light, range are less than or equal to E.
As shown in figure 4, round radius is R specifically, the central coordinate of circle of the circle is C (x0, y0)；The picture of the circle
The calculation formula of plain coordinate (xp, yp) are as follows:
According to remaining profound Theorem deduction,
According to just profound Theorem deduction,
Specifically, obtaining the modulus data of circle 1, modulus is carried out to round 1, circle entire first is divided into the sector of L aliquot, such as divides
It is exactly every 0.45 °/part, then, according to the number pair radius r of the LED light on the LED flabellum of rotational display screen for 800 equal portions
It is split, if the number of the LED light on LED flabellum is E.The m corresponding pixel coordinate of row k is calculated, as shown in figure 4,
Therefore deduce that 1 all pixels of circle coordinate corresponding in original image, that is, modulus data.
Specifically, obtaining the modulus data of circle 2, modulus is carried out to circle 2, circle entire first is divided into L aliquot, is included in and is divided into
800 equal portions are exactly then to be carried out according to the number pair radius r of the LED light on the LED flabellum of rotational display screen every 0.45 °/part
Segmentation, if the number of the LED light on LED flabellum is E.The m corresponding pixel coordinate of row k is calculated, it is possible thereby to take out circle 2
All pixels coordinate corresponding in original image, that is, modulus data.
S30, the picture number of each circle is obtained to the picture progress modulus of material to be shown by the modulus data of each circle
According to；Specifically, the material to be shown is picture, video or gif.
If the material to be shown is video or gif, further comprise the steps of:
S31, each rotational display screen carry out pumping frame to video or gif, and video or gif are converted to picture.
Video suitable for holographic display takes out frame method, comprising steps of
S310, it treats and takes out the progress edit operation of frame video, generate editor's matrix；Editor's matrix includes position coordinates, scaling
Size, initial time T0 and deadline T1；
S320, it determines and takes out frame key parameter；Taking out frame key parameter includes the display resolution of holographic display, frame time
T, frame number C and pumping frame frame per second FPS；Specifically, frame time T is calculated by taking out frame frame per second FPS, frame time T=
1000.0ms/FPS；Frame number C is calculated by initial time T0, deadline T1 and frame time T, and frame number C=(T1-T0)/
T。
S330, it takes out frame video and zooms in and out and obtain original frame data according to taking out frame key parameter and treat；
Specifically, according to the display resolution of holographic display, original frame data are zoomed into the resolution ratio, then into
Row obtains, and improves the rendering speed of frame, gets original frame data faster.After obtaining original frame data, it will edit
In matrix application to the frame data, then interception needs the partial content shown on holographic display, as final frame
Data.
S340, matrix application will be edited to original frame data, and intercepts final frame data；
S50, judge whether to need to continue to take out frame according to pumping frame frame per second FPS, if so, S340 is then executed, if not, executing
S360；
S360, final frame sequence to be shown is generated.
In the present embodiment, S350, according to take out frame frame per second FPS judge whether need continue take out frame, specifically include step:
S351, its time t0 is recorded after having handled final frame data；
S352, current time t1 is obtained in real time, and calculate frame time T by taking out frame frame per second；
S353, t1-t0 > T is judged, if so, then executing S340；If not, executing S360.
Specifically, above-mentioned steps are repeated, until current time t1 has reached the ending of frame video to be taken out and has taken out
The frame number got has reached expected frame number C, i.e. (t>T1, and frame number c<C).
In the present embodiment, obtaining the modulus data of each circle, there are two types of methods:
Method one:
As shown in figure 5, specifically, at least two circle includes circle 1 and circle 2, circle 1 for the rotational display screen spliced by two
It is overlapping setting with 2 parts of circle, is indicated with two positive round；Circle 1 is upper layer, and circle 2 is lower layer, and the radius of the circle 1 and circle 2 is equal
400 pixels are set as R, such as R；Two-dimensional coordinate system is established, unit is pixel, and circle 1 indicates rotational display screen 1, and the center of circle of circle 1 is sat
It is designated as C1 (x10, y10), x10=x0, y10=y0, level is upper layer (i.e. first layer), and use 1 indicates；Circle 2 indicates rotational display
The central coordinate of circle of screen 2, circle 2 is then C2 (x20, y20), x20=x0+S, y20=y0, level be lower layer (can with for the second layer,
When there is multiple be overlapping, the circle for being located at lower layer is indicated), use 2 indicates.Wherein, S is the center of circle of circle 1 and the center of circle of circle 2
Distance, such as S are 80.Prepare a white picture, in coordinate origin, picture is wide and a height of in the lower left corner of white picture
800 etc..
Corresponding, S20, basis cut the modulus data that artwork plate obtains each circle, further comprise the steps of:
S221, the color value of circle 1 in white picture is set in the new picture of (0,0,0) acquisition (i.e. by the color of entire circle 1
Become black): all pixels in traversal white picture, when the pixel coordinate of pixel is less than at a distance from the center of circle of circle 1
Or when being equal to r, if the coordinate of pixel is (x1, y1), derivation formula
When, (0,0,0), which is set, by the color value of the pixel obtains new picture；Specifically, the side length of white picture is 4R or more.
Lap in S222, acquisition circle 2 with circle 1: modulus is carried out to new picture with the modulus data of circle 2 and obtains circle 2
Pixel value, pixel value be (0,0,0) be circle 1 with circle 2 lap；
As shown in figure 5, circle 1 top layer do not have to removal lap, so, only need to remove circle 2 in circle 1 lap
Modulus data.By the modulus data of circle 2, the corresponding pixel value of all pixels in figure of circle 2 can be taken out；By white picture
The color of middle circle 1 becomes black, carries out modulus to picture with the modulus data of obtained circle 2, it can thus be concluded that the pixel of circle 2
Pixel value, wherein the pixel value of black is exactly the lap of circle 1 with circle 2, and the modulus data of this part are removed, and is exactly round 2
The part really to show generates the new modulus data of circle 2.
S223, the new modulus data for obtaining circle 2: the modulus data of the lap of circle 2 are deleted to obtain the new modulus of circle 2
Data.
Specifically, the central coordinate of circle of the circle 1 is C1 (x10, y10), x10=x0, y10=y0；The central coordinate of circle of circle 2 is then
For C2 (x20, y20), x20=x0+S, y20=y0, the S is the center of circle of circle 1 at a distance from the center of circle of circle 2.
The calculation formula of the pixel coordinate (x1p, y1p) of circle 1 are as follows:
The calculation formula of the pixel coordinate (x2p, y2p) of circle 2 are as follows:
Method two:
In the present embodiment, at least two circle includes circle 1 and circle 2, and circle 1 and 2 parts of circle are overlapping setting, and circle 1 is upper
Layer, the circle 2 are lower layer；It further comprises the steps of:
The coordinate data of S15, the coordinate data for generating circle 1 respectively and circle 2, specifically include step:
The true coordinates data (x2, y2) of S151, the true coordinates data (x1, y1) for generating circle 1 and circle 2；
S152, the overlay coordinates data (xc, yc) for obtaining 2 juxtaposition parts of circle 1 and circle；
The coordinate data (x2, y2) of S153, the coordinate data (x1, y1) of circle 1 and circle 2 are as follows:
S20, basis cut the modulus data that artwork plate obtains each circle, further comprise the steps of:
S201, the modulus data of circle 1 and the modulus of circle 2 are obtained according to the coordinate data of circle 1 and the coordinate data of circle 2 respectively
Data.
The present invention is based on the image cutting method of the rotational display screen of splicing and system, the characteristics of rotational display screen is when aobvious
Show that entire screen is transparent when black image, and closer to the color value of black, transparency is higher, when RGB color value
It is fully transparent when to be all 0.The image of the lap of the irregular shape of the rotational display screen of splicing is handled, is led to
It crosses to circle modulus, color filling, pixel color value comparison obtains new modulus data, removes lap, has saved a large amount of
Time, cost of labor.
Embodiment two:
It will appreciated by the skilled person that realizing that all or part of the steps of above-mentioned each method embodiment can lead to
The relevant hardware of computer program is crossed to complete.Computer program above-mentioned can store in a computer-readable storage medium
In, computer program is stored on storage medium, when the computer program is executed by (such as processor), executing includes above-mentioned base
In the image cutting method embodiment of the rotational display screen of splicing the step of, and storage medium above-mentioned includes: ROM, RAM, magnetic
The various media that can store program code such as dish or CD.
Embodiment three:
The present invention also provides the image cutter device embodiments of the rotational display screen based on splicing, including processor and storage
Device；Wherein, the memory is used to execute the computer journey of memory storage for storing computer program, the processor
Sequence, so that the step of processor executes the image cutting method embodiment of the above-mentioned rotational display screen based on splicing.Specifically, base
It can be whole for controls such as remote controler, Intelligent flat, smart phone, computers in the image cutter device of the rotational display screen of splicing
End, is not particularly limited herein.
Example IV:
The present invention also provides the image diced system embodiments of the rotational display screen based on splicing, including at least 2 splicings
Rotational display screen and the rotational display screen based on splicing image cutter device；Specifically, the rotational display based on splicing
The image cutter device of screen includes processor and memory；Memory is deposited for storing computer program, processor for executing
The computer program of reservoir storage, so that the image cutting method that processor is executed such as the above-mentioned rotational display screen based on splicing is real
The step of applying.
The present invention is based on the image cutting method of the rotational display screen of splicing and system, the characteristics of rotational display screen is when aobvious
Show that entire screen is transparent when black image, and closer to the color value of black, transparency is higher, when RGB color value
It is fully transparent when to be all 0.The image of the lap of the irregular shape of the rotational display screen of splicing is handled, is led to
It crosses to circle modulus, color filling, pixel color value comparison obtains new modulus data, removes lap, has saved a large amount of
Time, cost of labor.
After reading content which will be described, it should be apparent to a person skilled in the art that described herein each
Kind feature can be realized by method, data processing system or computer program product.Therefore, these features can not use hardware
Mode, showed in conjunction with by the way of all by the way of software or using hardware and software.In addition, features described above can also
It is showed in the form of the computer program product being stored on one or more computer readable storage mediums, the computer
Include computer readable program code section or instruction in readable storage medium storing program for executing, is stored in a storage medium.Readable storage medium
Matter is configured as storing various types of data to support the operation in device.Readable storage medium storing program for executing can be by any kind of easy
The property lost or non-volatile memory device or their combination are realized.As static hard disk, random access memory (SRAM), electricity can
Erasable programmable read-only memory (EPROM) (EEPROM), Erasable Programmable Read Only Memory EPROM (EPROM), programmable read only memory
(PROM), it read-only memory (ROM), light storage device, magnetic storage apparatus, flash memory, disk or CD and/or above-mentioned sets
Standby combination.
The above is merely preferred embodiments of the present invention, those skilled in the art know, are not departing from essence of the invention
In the case where mind and range, various changes or equivalent replacement can be carried out to these features and embodiment.In addition, of the invention
Under introduction, it can modify to these features and embodiment to adapt to particular situation and material without departing from of the invention
Spirit and scope.Therefore, the present invention is not limited to the particular embodiment disclosed, and the right of fallen with the application is wanted
The embodiment in range is asked to belong to protection scope of the present invention.
Claims (10)
1. a kind of image cutting method of the rotational display screen based on splicing, which is characterized in that specifically include step:
Generate the rotational display screen at least two splicing cuts artwork plate, and the artwork plate of cutting includes white picture, Yi Jishe
Set the template data of at least two circle in the white picture, the round rotation at least two splicing described at least two
Display screen is equivalent, and the template data includes central coordinate of circle, level and the intersection circle of each circle；
The modulus data of each circle are obtained according to the template data；
Modulus is carried out to the picture of material to be shown by the modulus data of each circle and obtains the picture number of each circle
According to；The material to be shown is picture, video or gif.
2. the image cutting method of the rotational display screen according to claim 1 based on splicing, which is characterized in that described
The modulus data of each circle are obtained according to the template data, comprising steps of
S211, the sector that the circle is divided into L aliquot；The angle of each sector is a=360/L；
S212, according to the LED light number E of at least one LED flabellum of the rotational display screen of splicing to each sector
It is split；
S213, the corresponding pixel coordinate (xp, yp) of calculating row k m LED lamp are the modulus data.
3. the image cutting method of the rotational display screen according to claim 3 based on splicing, which is characterized in that the circle
Central coordinate of circle be C (x0, y0), the radius of the circle is r；
The calculation formula of the pixel coordinate (xp, yp) of the circle are as follows:
4. the image cutting method of the rotational display screen according to claim 3 based on splicing, which is characterized in that at least 2
A circle includes circle 1 and circle 2, and the circle 1 and 2 parts of circle are overlapping setting, and the circle 1 is upper layer, under the circle 2 is
Layer；
The modulus data that each circle is obtained according to the template data, further comprise the steps of:
S221, it sets the pixel value of circle 1 described in the white picture in the new picture of (0,0,0) acquisition: traversing the white
All pixels in picture, when the pixel coordinate of the pixel is less than or equal to r at a distance from the center of circle of the circle 1,
(0,0,0), which is set, by the pixel value of the pixel obtains the new picture；
Lap in S222, the acquisition circle 2 with the circle 1: the new picture is carried out with the modulus data of the circle 2
Modulus obtains the pixel value of the circle 2, and the pixel value is the lap that (0,0,0) is the circle 1 and circle 2；
S223, the new modulus data for obtaining the circle 2: the modulus data of the lap of the circle 2 are deleted to obtain institute
State the new modulus data of circle 2.
5. the image cutting method of the rotational display screen according to claim 4 based on splicing, which is characterized in that the circle
1 central coordinate of circle is C1 (x10, y10), the x10=x0, y10=y0；The central coordinate of circle of the circle 2 be then C2 (x20,
Y20), x20=x0+S, the y20=y0, the S are the center of circle of the circle 1 at a distance from the center of circle of the circle 2；
The calculation formula of the pixel coordinate (x1p, y1p) of the circle 1 are as follows:
The calculation formula of the pixel coordinate (x2p, y2p) of the circle 2 are as follows:
6. the image cutting method of the rotational display screen according to claim 3 based on splicing, which is characterized in that at least 2
A circle includes circle 1 and circle 2, and the circle 1 and 2 parts of circle are overlapping setting, and the circle 1 is upper layer, under the circle 2 is
Layer；It further comprises the steps of:
The coordinate data of S15, the coordinate data for generating the circle 1 respectively and the circle 2, specifically include step:
The true coordinates data (x2, y2) of S151, the true coordinates data (x1, y1) for generating the circle 1 and circle 2；
S152, the overlay coordinates data (xc, yc) for obtaining 2 juxtaposition parts of the circle 1 and circle；
The coordinate data (x2, y2) of S153, the coordinate data (x1, y1) of the circle 1 and the circle 2 are as follows:
7. the image cutting method of the rotational display screen according to claim 6 based on splicing, which is characterized in that described
The modulus data that each circle is obtained according to the template data, further comprise the steps of:
S201, the modulus data for obtaining the circle 1 respectively according to the coordinate data of the circle 1 and the coordinate data of the circle 2 and
The modulus data of the circle 2.
8. a kind of computer-readable storage medium, which is characterized in that computer program is stored on the storage medium, it is described
Computer program is performed the image cutting side for realizing the described in any item rotational display screens based on splicing of claim 1-7
Method.
9. a kind of image cutter device of the rotational display screen based on splicing, which is characterized in that including processor and memory；
The memory is used to execute the computer journey of the memory storage for storing computer program, the processor
Sequence, so that the processor executes the image of the described in any item rotational display screens based on splicing of claim 1-7 such as and cuts
Method.
10. a kind of image diced system of the rotational display screen based on splicing, which is characterized in that the rotation including at least two splicing
Turn the image cutter device of display screen and the rotational display screen based on splicing；
The image cutter device of the rotational display screen based on splicing includes processor and memory；The memory is for depositing
Computer program is stored up, the processor is used to execute the computer program of the memory storage, so that the processor executes
Such as the image cutting method of the described in any item rotational display screens based on splicing of claim 1-7.
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