CN105632349A - Method, device and system for managing play of LED spherical display screen - Google Patents
Method, device and system for managing play of LED spherical display screen Download PDFInfo
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- CN105632349A CN105632349A CN201410583939.5A CN201410583939A CN105632349A CN 105632349 A CN105632349 A CN 105632349A CN 201410583939 A CN201410583939 A CN 201410583939A CN 105632349 A CN105632349 A CN 105632349A
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Abstract
The invention provides a method for managing play of an LED spherical display screen. The method comprises the following steps: S1, acquiring a display picture in a rectangular LED program page; S2, dividing the display picture into four equivalent quadrants; S3, retaining all pixels on bisectrices; and S4, extracting points of weft pixels and warp pixels of any one quadrant. The invention also discloses a device and a system for managing play of the LED spherical display screen. According to the technical scheme disclosed by the invention, by extracting points of the weft pixels or warp pixels, the sphere play program page is formed, and the played program page is free from deformation and distortion, so that a display effect is relatively good.
Description
Technical field
The present invention relates to LED ball shape display screen and play application, play the method for management, Apparatus and system particularly to a kind of LED ball shape display screen.
Background technology
At present, LED (LaDgeElectDonicDisplay) display screen is exactly constituted screen body by several combined unit display panels spliced or unit display casing, adds a set of suitable controller (master control borad or control system). So the controller that the display panel of plurality of specifications (or unit box) coordinates different control technology just can form many kinds of LED displays, to meet varying environment, the needs that different displays require.
LED display can show the numeral of change, word, graph image; Can be not only used for indoor environment and can be also used for outdoor environment, there is the advantage that projector, video wall, LCDs are incomparable.
But LED of the prior art shows that playing method and device is all suitable for plane and shows, generally rectangular cross-section picture, if directly being become whole curved-surface display from whole rectangular frame, often image can deform, meeting distortion, how effectively to carry out curved-surface display, to meet the needs of people, become the problem that people constantly explore.
Summary of the invention
In order to solve above problem, the present invention provides a kind of LED ball shape display screen to play the method for management, Apparatus and system, solves the problem that prior art can not effectively carry out curved-surface display.
The invention discloses a kind of method that LED ball shape display screen plays management, including:
S1. the display picture of rectangle LED program page is obtained;
S2. described display picture is divided into four equal quadrants;
S3. all of pixel in indwelling bisector;
S4. taking its arbitrary quadrant and carry out parallel pixel and the snap shot of warp pixel, the parallel pixel of indwelling after snap shot meets below equation:
K=1/2 �� DcosA,
The warp pixel of indwelling after snap shot meets below equation:
Or M2=1/2 �� DcosA0��A <u;
Wherein, D is the pixel value in the length of rectangle,
A is with horizontal line for bottom line, along the angle that the longitudinal axis rotates,
K is the pixel value of the indwelling on parallel;
M1 or M2 is the pixel value of indwelling on warp; U is span: 1 ��/4�ܦ�/8, u��3.5.
Further, described u is 3 ��/8.
Further, the appearance specially good effect of previous program page identical with the admission specially good effect of later program page and carry out simultaneously.
Further, also having step S0 before step S1, arrange LED display curtain information, described LED display curtain information specifically includes: the quantity of LED screen, row starting point, beginning-of-line, width, highly;
Described program page includes multiple program window, and described program window specifically includes: file window, multiline text window, single file documentwindow, clock window, timing window, external video window, weather forecast window.
The invention discloses a kind of LED ball shape display screen and play the device of management, including:
Program page acquiring unit, for obtaining the display picture of rectangle LED program page;
The subdivisions such as program page, for being divided into four equal quadrants by described display picture;
Pixel indwelling unit, all of pixel in indwelling bisector;
Pixel snap shot unit, carries out parallel pixel and the snap shot of warp pixel for taking its arbitrary quadrant, and the parallel pixel of indwelling after snap shot meets below equation:
K=1/2 �� DcosA,
The warp pixel of indwelling after snap shot meets below equation:
Or M2=1/2 �� DcosA0��A <u;
Wherein, D is the pixel value in the length of rectangle,
A is with horizontal line for bottom line, along the angle that the longitudinal axis rotates,
K is the pixel value of the indwelling on parallel;
M1 or M2 is the pixel value of indwelling on warp; U is span: 1 ��/4�ܦ�/8, u��3.5.
Further, described u is 3 ��/8.
Further, described program page broadcast unit has specially good effect and arranges unit, and the appearance specially good effect for previous program page is identical with the admission specially good effect of later program page and carries out simultaneously.
Further, also include screen message before described program page acquiring unit and unit be set, be used for arranging LED display curtain information,
Described LED display curtain information specifically includes: the quantity of LED screen, row starting point, beginning-of-line, width, highly;
Described program page includes multiple program window, and described program window specifically includes: file window, multiline text window, single file documentwindow, clock window, timing window, external video window, weather forecast window.
The invention discloses a kind of LED ball shape display screen and play the system of management, including multiple display floaters, power supply that the LED that described display floater includes LED lamp panel, be arranged in described LED lamp panel is connected with described LED lamp panel and with unit panel, unit panel controls the display of the LED in LED lamp panel, it is characterized in that, described unit panel has above-mentioned LED ball shape display screen and plays the device of management.
A kind of LED ball shape display screen implementing the present invention plays the bent method of management, device and system, has following useful technique effect:
It is different from prior art planar rectangular LED program page when carrying out curved-surface display, image often deforms, the technical deficiency of meeting distortion, the LED ball shape display screen that the technical program provides plays the method for management, Apparatus and system adopts warp and parallel pixel snap shot plays program page, the program page play is indeformable, undistorted, display effect is preferably.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
The LED ball shape display screen that Fig. 1 a is the present invention plays the method flow schematic diagram that management is bent;
Fig. 1 b is point quadrantal diagrams such as rectangle LED;
Fig. 1 c is sphere snap shot figure;
Fig. 2 is the apparatus function block diagram that LED ball shape display screen of the present invention plays that management is bent;
Fig. 3 is the system construction drawing that LED ball shape display screen of the present invention plays that management is bent.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments. Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain under not making creative work premise, broadly fall into the scope of protection of the invention.
Referring to Fig. 1 a, embodiments of the invention, a kind of LED ball shape display screen plays the method that management is bent, including:
S1. the display picture of rectangle LED program page is obtained;
Multiple flat display unit is adopted to splice, as trapezoidal module or fan-shaped module are spliced by tenon mouth, to form sphere display unit.
Program page refers to the set of one group of program window that user sets and programme content. It it is arranged side by side between each " program page " and playback relationship successively. Program page includes multiple program window, and described program window specifically includes: file window, multiline text window, single file documentwindow, clock window, timing window, external video window, weather forecast window.
Property window at program page can arrange the page as properties:
Title: revise the title of this program page;
Background picture: the picture background picture as this program page can be set;
Background color: click the vitta optional random color background color as program page;
Background music a: audio file can be set as this program page background music;
Volume: the volume of background music is set;
S2. described display picture is divided into four equal quadrants;
Specifically, along long or wide midpoint, rectangular frame being divided into four equal rectangles, as shown in Figure 1 b, bisector is as shown in phantom in FIG..
S3. all of pixel in indwelling bisector;
I.e. pixel on dotted line in indwelling Fig. 1 b.
S4. take its arbitrary quadrant and carry out parallel pixel and the snap shot of warp pixel, as illustrated in figure 1 c,
Why wanting snap shot, be because rectangular frame and be placed on sphere, it is necessary to have partial pixel to give up and just can be placed on sphere, the rectangular pixels of plane can not all can be stayed on spherical LED.
We take to carry out respectively on parallel and warp snap shot.
The parallel pixel of indwelling after snap shot meets below equation:
K=1/2 �� DcosA,
If only carrying out the snap shot of parallel pixel, then after horizontal line snap shot, in spherical screen, there is the corresponding point of correct number every provisional capital, but, during this time play video and it will be appreciated that the phenomenon of distortion, as: when the video image of input is a upper circular image, it will export a top point, the sub-circular of following circle. This is owing to following snap shot is few, above snap shot cause more, so can cause that anamorphose is serious, affect viewing effect. In order to alleviate this phenomenon, it is necessary to carry out snap shot on warp, after making to take out row, image has identical pantograph ratio to arrange with on column direction in the row direction.
The warp pixel of indwelling after snap shot meets below equation:
Or M2=1/2 �� DcosA, 0��A <u;
Wherein, D is the pixel value in the length of rectangle,
A is with horizontal line for bottom line, along the angle that the longitudinal axis rotates,
K is the pixel value of the indwelling on parallel;
M1 or M2 is the pixel value of indwelling on warp; U is span: 1 ��/4�ܦ�/8, u��3.5.
Namely: the position being more bordering on top in spherical surface body is not integrated, and takes constant, M2=D/cosAdA; Practice confirm, u be 3 ��/8 effects preferably.
Considering that the two poles of the earth image snap shot ratio is significantly high, image serious distortion, here snap shot is significantly high, and ranks snap shot ratio need not be equal here.
In actual mechanical process, it is possible to the position adjusting separation u (such as 3 ��/8) adjusts the aspect ratio of input and output image, separation u position more little, ratio is more little, otherwise, ratio is more big.
Wherein, the play rules of program page is: play described program page according to predetermined broadcast mode; Described program page is the program page do not play of up-to-date acquisition, the program page play or displacement or skim or skip over.
First play according to predetermined broadcast mode may is that, presets playing duration; Secondly, described program page is played according to described playing duration. Namely: specify playing duration. After this program page plays the time set, jump to next program page and play.
Or, in another embodiment, play according to predetermined broadcast mode and may is that first step is: preset and play content; Second step is: play described program page according to described broadcasting content. Namely: play this program page, after waiting that in this program page, all of content plays, jump to next program page and play.
The appearance specially good effect of previous program page is identical with the admission specially good effect of later program page and carries out simultaneously, after so setting, broadcasting pictures does not have " neutral gear ", blank screen phenomenon namely occurs, it is possible to window is divided into maximum 16 fractions, use specially good effect respectively, make effect finer and smoother; Arranging residence time after picture is marched into the arena and before appearing on the scene, its unit is 0.1 second. Also optional flashing function during stop, allows the more attracting attention of picture; The total time value that current specially good effect action completes is more little, represents that specially good effect action is more fast.
Further, also having step S0 before step S1, arrange LED display curtain information, described LED display curtain information specifically includes: the quantity of LED screen, row starting point, beginning-of-line, width, highly.
Program tree is made up of the technical program level Four, is followed successively by: LED screen, program page, program window and play content bar. The LED giant-screen that user uses, the display content on giant-screen is determined by it. It is coordination between each " LED screen ", LED screen can be added multiple program page.
The size of LED screen must arrange correctly, otherwise is likely to only show a part of or can not normally show during the complete broadcasting of program making.
Method to set up: select menu " main menu �� control screen �� screen management ", pop screen management window, the quantity of LED screen, original position, size etc. are here set.
Referring to Fig. 2, a kind of LED ball shape display screen plays the device 1 of management, and this device 1 is the functional device in order to realize above method, and the unspecified place of this device 1 refers to the explanation of above method, and this device 1 includes:
Program page acquiring unit 10, for obtaining the display picture of rectangle LED program page;
The subdivisions 20 such as program page, for being divided into four equal quadrants by described display picture;
Pixel indwelling unit 30, all of pixel in indwelling bisector;
Pixel snap shot unit 40, carries out parallel pixel and the snap shot of warp pixel for taking its arbitrary quadrant, and the parallel pixel of indwelling after snap shot meets below equation:
K=1/2 �� DcosA,
The warp pixel of indwelling after snap shot meets below equation:
Or M2=1/2 �� DcosA0��A <u;
Wherein, D is the pixel value in the length of rectangle,
A is with horizontal line for bottom line, along the angle that the longitudinal axis rotates,
K is the pixel value of the indwelling on parallel;
M1 or M2 is the pixel value of indwelling on warp; U is span: 1 ��/4�ܦ�/8, u��3.5.
Further, described u is 3 ��/8.
Further, the appearance specially good effect of previous program page identical with the admission specially good effect of later program page and carry out simultaneously.
Further, also include screen message before program page acquiring unit 10 and unit 5 be set, be used for arranging LED display curtain information,
Described LED display curtain information specifically includes: the quantity of LED screen, row starting point, beginning-of-line, width, highly;
Described program page includes multiple program window, and described program window specifically includes: file window, multiline text window, single file documentwindow, clock window, timing window, external video window, weather forecast window.
Refer to Fig. 3, a kind of LED ball shape display screen plays the system 100 of management, including multiple display surfaces 200, power supply (not shown) that the LED (not shown) that display surface includes LED lamp panel (not shown), be arranged in described LED lamp panel is connected with described LED lamp panel and with unit panel 300, unit panel controls the display of the LED in LED lamp panel, and unit panel 300 has above-mentioned LED ball shape display screen and plays the device 1 of management.
Wherein, multiple flat display unit is adopted to splice, as trapezoidal module or fan-shaped module are spliced by tenon mouth, to form the display unit 100 of sphere.
Native system supports the broadcasting of the media file of the forms such as video, audio frequency, image, word, Flash, Gif; Support the display of WoDd, Excel, PPT; Support the display of clock, timing, weather forecast; Support the broadcasting of outer video signal (TV, AV, S-Video). The editing saving of software support multi-page multi partition, it is provided that abundant video handoff functionality flexibly, subregion specially good effect, and three-dimensional specially good effect animation. This software has built one can allow you give full play to the platform of intention, allows the display effect of display screen obtain perfection and represents.
Support 5A/5AF/5AS receiving card, T7 sending card, support that a computer controls multiple LED displays, support the intelligent parameter of LED display is arranged. Support manual, the camera pointwise correction to LED giant-screen, the correction data that other specialty calibration equipment compatible gathers.
The work process of native system is: unit panel 300 captures the media file of the forms such as video, audio frequency, image, word, Flash, Gif, play the device 1 of management by its above-mentioned LED ball shape display screen having, input to multiple display surfaces 200 play out.
A kind of LED ball shape display screen implementing the present invention plays the bent method of management, device and system, has following useful technique effect:
It is different from prior art planar rectangular LED program page when carrying out curved-surface display, image often deforms, the technical deficiency of meeting distortion, the LED ball shape display screen that the technical program provides plays the method for management, Apparatus and system adopts warp and parallel pixel snap shot plays program page, the program page play is indeformable, undistorted, display effect is preferably.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all within the spirit and principles in the present invention, any amendment of making, equivalent replacement, improvement etc., should be included within protection scope of the present invention.
Claims (9)
1. the method that a LED ball shape display screen plays management, it is characterised in that including:
S1. the display picture of rectangle LED program page is obtained;
S2. described display picture is divided into four equal quadrants;
S3. all of pixel in indwelling bisector;
S4. taking its arbitrary quadrant and carry out parallel pixel and the snap shot of warp pixel, the parallel pixel of indwelling after snap shot meets below equation:
K=1/2 �� DcosA,
The warp pixel of indwelling after snap shot meets below equation:
Or M2=1/2 �� DcosA0��A <u;
Wherein, D is the pixel value in the length of rectangle,
A is with horizontal line for bottom line, along the angle that the longitudinal axis rotates,
K is the pixel value of the indwelling on parallel;
M1 or M2 is the pixel value of indwelling on warp; U is span: 1 ��/4�ܦ�/8, u��3.5.
2. method according to claim 1, it is characterised in that described u is 3 ��/8.
3. according to the method in claim 2 or 3, it is characterised in that the appearance specially good effect of previous program page is identical with the admission specially good effect of later program page and carries out simultaneously.
4. method according to claim 1, it is characterised in that also have step S0 before step S1, arranges LED display curtain information, and described LED display curtain information specifically includes: the quantity of LED screen, row starting point, beginning-of-line, width, highly;
Described program page includes multiple program window, and described program window specifically includes: file window, multiline text window, single file documentwindow, clock window, timing window, external video window, weather forecast window.
5. a LED ball shape display screen plays the device managed, it is characterised in that including:
Program page acquiring unit, for obtaining the display picture of rectangle LED program page;
The subdivisions such as program page, for being divided into four equal quadrants by described display picture;
Pixel indwelling unit, all of pixel in indwelling bisector;
Pixel snap shot unit, carries out parallel pixel and the snap shot of warp pixel for taking its arbitrary quadrant, and the parallel pixel of indwelling after snap shot meets below equation:
K=1/2 �� DcosA,
The warp pixel of indwelling after snap shot meets below equation:
Or M2=1/2 �� DcosA0��A <u;
Wherein, D is the pixel value in the length of rectangle,
A is with horizontal line for bottom line, along the angle that the longitudinal axis rotates,
K is the pixel value of the indwelling on parallel;
M1 or M2 is the pixel value of indwelling on warp; U is span: 1 ��/4�ܦ�/8, u��3.5.
6. device according to claim 5, it is characterised in that described u is 3 ��/8.
7. device according to claim 5, it is characterised in that described program page broadcast unit has specially good effect and arranges unit, the appearance specially good effect for previous program page is identical with the admission specially good effect of later program page and carries out simultaneously.
8. device according to claim 5, it is characterised in that also include screen message before described program page acquiring unit and arrange unit, is used for arranging LED display curtain information,
Described LED display curtain information specifically includes: the quantity of LED screen, row starting point, beginning-of-line, width, highly;
Described program page includes multiple program window, and described program window specifically includes: file window, multiline text window, single file documentwindow, clock window, timing window, external video window, weather forecast window.
9. a LED ball shape display screen plays the system managed, including multiple display floaters, power supply that the LED that described display floater includes LED lamp panel, be arranged in described LED lamp panel is connected with described LED lamp panel and with unit panel, unit panel controls the display of the LED in LED lamp panel, it is characterized in that, described unit panel has the LED ball shape display screen described in any one of claim 5 to 8 and plays the device of management.
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| CN201410583939.5A CN105632349B (en) | 2014-10-27 | 2014-10-27 | LED ball shape display screen plays the method, apparatus and system of management |
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| CN105931574A (en) * | 2016-06-16 | 2016-09-07 | 深圳市创显光电有限公司 | Wiring method of LED (light-emitting diode) special-shaped screen |
| CN106910456A (en) * | 2017-04-19 | 2017-06-30 | 西安诺瓦电子科技有限公司 | Display screen bearing calibration and device |
| WO2019218397A1 (en) * | 2018-05-18 | 2019-11-21 | 深圳裸眼威阿科技有限公司 | Spherical display screen-based image playback system and method |
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| Publication number | Publication date |
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| CN105632349B (en) | 2018-04-10 |
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