CN103500555B - A kind of LED display video resolution matched processing method and system - Google Patents
A kind of LED display video resolution matched processing method and system Download PDFInfo
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- CN103500555B CN103500555B CN201310467203.7A CN201310467203A CN103500555B CN 103500555 B CN103500555 B CN 103500555B CN 201310467203 A CN201310467203 A CN 201310467203A CN 103500555 B CN103500555 B CN 103500555B
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Abstract
The invention discloses a kind of LED display video resolution matched processing method and system, the method comprises: according to the image resolution ratio in video standard signal source and the image resolution ratio of LED display, determine amplification mode or reduce pattern, and calculate amplification mode or resolution adjustment COEFFICIENT K under reducing, wherein, under amplification mode, K=K
x× K
y; Reducing under pattern,
and, K
x, K
y, K ˊ
x, K ˊ
ybe respectively positive integer; If amplification mode, each pixel of the picture frame exported in video standard signal source is mapped to corresponding K successively
x× K
yimage block, to form the picture frame after conversion; If reduce pattern, each K ˊ of the picture frame that video standard signal source is exported
x× K ˊ
yimage block be mapped to corresponding pixel successively, to form the picture frame after conversion; Successively the picture frame after conversion is inputed in LED display and show.Implementing technical scheme of the present invention, without the need to buying special video processor, providing cost savings.
Description
Technical field
The present invention relates to technology field of video processing, especially relate to a kind of LED display video resolution matched processing method and system.
Background technology
Extra-large LED combination screen and LED screen combined system are widely used in indoor, outer occasion.As new media, the easier attracting notice of luminous picture and text of motion, contains much information, upgrades at any time, have extraordinary advertisement and bulletin effect.There is multiple display resolution in current video or image, because current resolution specification has some limitations, cannot meet the requirement of extra-large LED combination screen.In order to ensure that LED display has the display effect of clear and smooth, video resolution matching technique must be added in LED display control program, method conventional at present adds the convergent-divergent that video processor completes video in the controls, to reach the effect of match video resolution, but this kind of method cost is higher, producer is needed to buy special video processor.
Summary of the invention
The technical problem to be solved in the present invention is, for the defect that the above-mentioned cost of prior art is high, and the LED display video resolution matched processing method providing a kind of cost low and system.
The technical solution adopted for the present invention to solve the technical problems is: construct a kind of LED display video resolution matched processing method, comprising:
A. according to the image resolution ratio in video standard signal source and the image resolution ratio of LED display, determine amplification mode or reduce pattern, and calculating amplification mode or resolution adjustment COEFFICIENT K under reducing, wherein, under amplification mode, K=K
x× K
y; Reducing under pattern,
and, K
x, K
y, K '
x, K '
ybe respectively positive integer;
If B. amplification mode, each pixel of the picture frame exported in video standard signal source is mapped to corresponding K successively
x× K
yimage block, to form the picture frame after conversion; If reduce pattern, each K ' of the picture frame that video standard signal source is exported
x× K '
yimage block be mapped to corresponding pixel successively, to form the picture frame after conversion;
C. successively the picture frame after conversion is inputed in LED display and show.
In LED display video resolution matched processing method of the present invention, after described step C, also comprise:
D. verify whether the video that LED display exports meets the demands, and if not, then re-executes steps A.
In LED display video resolution matched processing method of the present invention, before described steps A, also comprise:
E. the initial pictures resolution in video standard signal source is adjusted.
In LED display video resolution matched processing method of the present invention, in described step B, by K '
x× K '
ythe image block step that is mapped to a pixel be: calculating K '
x× K '
yimage block in the mean value of pixel value of all pixels, the mean value calculated is the pixel value of mapped pixel.
The present invention also constructs a kind of LED display video resolution matching treatment system, comprise connect successively video standard signal source, picture output device and LED display, described video resolution matching treatment system also comprises built-in or is external in the resolution adjustment module of described picture output device, and described resolution adjustment module comprises:
Storage unit;
Factor determination unit, for according to the image resolution ratio in described video standard signal source and the image resolution ratio of described LED display, determine amplification mode or reduce pattern, and calculate amplification mode or resolution adjustment COEFFICIENT K under reducing, and described resolution adjustment COEFFICIENT K is write described storage unit, wherein, under amplification mode, K=K
x× K
y; Reducing under pattern,
and, K
x, K
y, K '
x, K '
ybe respectively positive integer;
Be connected to the input port in described video standard signal source, for receiving the picture frame that video standard signal source exports;
Be connected to the output port of described picture output device, for the picture frame after output transform;
Be connected to the adjustment unit of described input port, output port, described storage unit, under amplification mode, each pixel of the picture frame exported in video standard signal source is mapped to corresponding K successively
x× K
yimage block, to form the picture frame after conversion; Reducing under pattern, each K ' of the picture frame that video standard signal source is exported
x× K '
yimage block be mapped to corresponding pixel successively, to form the picture frame after conversion.
In LED display video resolution matching treatment system of the present invention, described video resolution matching treatment system also comprises:
Be connected to the authentication module of described LED display, for verifying whether the video that LED display exports meets the demands.
In LED display video resolution matching treatment system of the present invention, described video resolution matching treatment system also comprises:
Receiver module, for adjusting the initial pictures resolution in video standard signal source.
In LED display video resolution matching treatment system of the present invention, described adjustment unit by calculating K '
x× K '
yimage block in the mean value of pixel value of all pixels obtain the pixel value of mapped pixel.
Implement technical scheme of the present invention, when controlling the display of extra-large LED combination screen and LED screen combined system, amplification mode is calculated or resolution adjustment COEFFICIENT K under reducing according to the image resolution ratio of video standard signal source and LED display, then according to this resolution adjustment COEFFICIENT K, the picture frame that video standard signal source exports is processed, and export LED display to and show, so just can realize the convergent-divergent of image.And without the need to buying special video processor, greatly reduce cost.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described, in accompanying drawing:
Fig. 1 is the process flow diagram of LED display video resolution matched processing method embodiment one of the present invention;
Fig. 2 is the process flow diagram of LED display video resolution matched processing method embodiment two of the present invention;
Fig. 3 is the logical diagram of LED display video resolution matching treatment system embodiment one of the present invention.
Embodiment
Fig. 1 is the process flow diagram of LED display video resolution matched processing method embodiment one of the present invention, and the LED display video resolution matched processing method of this embodiment comprises:
A. according to the image resolution ratio in video standard signal source and the image resolution ratio of LED display, determine amplification mode or reduce pattern, and calculating amplification mode or resolution adjustment COEFFICIENT K under reducing, wherein, under amplification mode, K=K
x× K
y; Reducing under pattern,
and, K
x, K
y, K '
x, K '
ybe respectively positive integer.In this step, it should be noted that, each LED in LED display represents a pixel, can be controlled luminescence separately, and therefore, in LED display, the ranks number of LED is the resolution of LED display.If the resolution of LED display (being such as extra-large LED combination screen or LED screen combined system) is 5120 × 2160, and, if the image resolution ratio in video standard signal source is 1280 × 720, then can be defined as amplification mode in this step, and resolution adjustment COEFFICIENT K=4 × 3.In another example, if the resolution of LED display is 320 × 240, and, if the image resolution ratio in video standard signal source is 1280 × 720, then can be defined as in this step reducing pattern, and resolution adjustment coefficient
If B. amplification mode, each pixel of the picture frame exported in video standard signal source is mapped to corresponding K successively
x× K
yimage block, to form the picture frame after conversion; If reduce pattern, each K ' of the picture frame that video standard signal source is exported
x× K '
yimage block be mapped to corresponding pixel successively, to form the picture frame after conversion.In this step, under amplification mode, be mapped to K about by a pixel
x× K
yimage block, by by K
x× K
ythe pixel value of each pixel of the image block pixel value of being arranged to this pixel realize; Reducing under pattern, about K '
x× K '
yimage block be mapped to a pixel, by first calculating K '
x× K '
yimage block in the mean value of pixel value of all pixels, then the pixel value of this pixel is arranged to this mean value realize;
C. successively the picture frame after conversion is inputed in LED display and show.Like this, the video after the video shown by LED display is and zooms in or out.
Fig. 2 is the process flow diagram of LED display video resolution matched processing method embodiment two of the present invention, and this embodiment compares the embodiment one shown in Fig. 1, difference only:
Also comprised before steps A:
E. adjust the initial pictures resolution in video standard signal source, the image resolution ratio in such as video standard signal source is 1280 × 720 or 1600 × 900, and one of them image resolution ratio can be selected as initial pictures resolution;
Also comprise after step c:
D. verify whether the video that LED display exports meets the demands, and if not, then re-executes steps A; If so, then terminate.It should be noted that at this, in another embodiment, step D, when judging no, also can return step e.
Fig. 3 is the logical diagram of LED display video resolution matching treatment system embodiment one of the present invention, the LED display video resolution matching treatment system of this embodiment comprise connect successively video standard signal source 10, resolution adjustment module 20, picture output device 30 and LED display 40, certainly, in other embodiments, resolution adjustment module 20 can be built in picture output device 30.In this embodiment, resolution adjustment module 20 specifically comprises factor determination unit 21, storage unit 22, input port 23, output port 24 and adjustment unit 25, wherein, factor determination unit 21 is for according to the image resolution ratio in video standard signal source 10 and the image resolution ratio of LED display 40, determine amplification mode or reduce pattern, and calculate amplification mode or resolution adjustment COEFFICIENT K under reducing, and by this resolution adjustment COEFFICIENT K write storage unit 22, wherein, under amplification mode, K=K
x× K
y; Reducing under pattern,
and, K
x, K
y, K '
x, K '
ybe respectively positive integer.The picture frame that input port 23 exports for receiving video standard signal source 10.Adjustment unit 25 is under amplification mode, and each pixel of the picture frame exported in video standard signal source 10 is mapped to corresponding K successively
x× K
yimage block, to form the picture frame after conversion; Reducing under pattern, each K ' of the picture frame that video standard signal source is exported
x× K '
yimage block be mapped to corresponding pixel successively, to form the picture frame after conversion.Output port 24 is for the picture frame after output transform.Picture frame after conversion exports LED display 40 to through picture output device 30, to show.In addition, also it should be noted that, about adjustment unit 25, by calculating K '
x× K '
yimage block in the mean value of pixel value of all pixels obtain the pixel value of mapped pixel.
Preferably, on the basis of the video resolution matching treatment system of above-described embodiment, this video resolution matching treatment system also comprises authentication module and receiver module, wherein, authentication module is connected to LED display, and for verifying whether the video that LED display exports meets the demands.Receiver module is for adjusting the initial pictures resolution in video standard signal source.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various change, combination and change.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within right of the present invention.
Claims (8)
1. a LED display video resolution matched processing method, is characterized in that, comprising:
A. according to the image resolution ratio in video standard signal source and the image resolution ratio of LED display, determine amplification mode or reduce pattern, and calculating amplification mode or resolution adjustment COEFFICIENT K under reducing, wherein, under amplification mode, K=K
x× K
y; Reducing under pattern,
and, K
x, K
y, K '
x, K '
ybe respectively positive integer;
If B. amplification mode, each pixel of the picture frame exported in video standard signal source is mapped to corresponding K successively
x× K
yimage block, to form the picture frame after conversion; If reduce pattern, each K ' of the picture frame that video standard signal source is exported
x× K '
yimage block be mapped to corresponding pixel successively, to form the picture frame after conversion;
C. successively the picture frame after conversion is inputed in LED display and show.
2. LED display video resolution matched processing method according to claim 1, is characterized in that, after described step C, also comprise:
D. verify whether the video that LED display exports meets the demands, and if not, then re-executes steps A.
3. LED display video resolution matched processing method according to claim 1, is characterized in that, before described steps A, also comprise:
E. the initial pictures resolution in video standard signal source is adjusted.
4. LED display video resolution matched processing method according to claim 1, is characterized in that, in described step B, by K '
x× K '
ythe image block step that is mapped to a pixel be: calculating K '
x× K '
yimage block in the mean value of pixel value of all pixels, the mean value calculated is the pixel value of mapped pixel.
5. a LED display video resolution matching treatment system, comprise connect successively video standard signal source, picture output device and LED display, it is characterized in that, described video resolution matching treatment system also comprises built-in or is external in the resolution adjustment module of described picture output device, and described resolution adjustment module comprises:
Storage unit;
Factor determination unit, for according to the image resolution ratio in described video standard signal source and the image resolution ratio of described LED display, determine amplification mode or reduce pattern, and calculate amplification mode or resolution adjustment COEFFICIENT K under reducing, and described resolution adjustment COEFFICIENT K is write described storage unit, wherein, under amplification mode, K=K
x× K
y; Reducing under pattern,
and, K
x, K
y, K '
x, K '
ybe respectively positive integer;
Be connected to the input port in described video standard signal source, for receiving the picture frame that video standard signal source exports;
Be connected to the output port of described picture output device, for the picture frame after output transform;
Be connected to the adjustment unit of described input port, output port, described storage unit, under amplification mode, each pixel of the picture frame exported in video standard signal source is mapped to corresponding K successively
x× K
yimage block, to form the picture frame after conversion; Reducing under pattern, each K ' of the picture frame that video standard signal source is exported
x× K '
yimage block be mapped to corresponding pixel successively, to form the picture frame after conversion.
6. LED display video resolution matching treatment system according to claim 5, is characterized in that, described video resolution matching treatment system also comprises:
Be connected to the authentication module of described LED display, for verifying whether the video that LED display exports meets the demands.
7. LED display video resolution matching treatment system according to claim 5, is characterized in that, described video resolution matching treatment system also comprises:
Receiver module, for adjusting the initial pictures resolution in video standard signal source.
8. LED display video resolution matching treatment system according to claim 5, is characterized in that, described adjustment unit by calculating K '
x× K '
yimage block in the mean value of pixel value of all pixels obtain the pixel value of mapped pixel.
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| CN105468312B (en) * | 2014-08-14 | 2019-12-10 | 青岛海信电器股份有限公司 | Image display method and device |
| CN105959824B (en) * | 2016-04-26 | 2020-01-14 | 深圳Tcl数字技术有限公司 | Method and device for debugging reproduction rate of display equipment |
| CN106484355A (en) * | 2016-10-25 | 2017-03-08 | 长江龙新媒体有限公司 | A kind of one screen multimode display methods of LED screen and system |
| CN107731193B (en) * | 2017-11-20 | 2021-01-15 | Tcl华星光电技术有限公司 | Driving circuit and driving method for large-size panel |
| CN109063378B (en) * | 2018-09-11 | 2023-04-07 | 苏州云屏传媒科技有限公司 | Method for matching multiple drawing boards with target screen in LED program |
| CN109686325B (en) * | 2019-03-04 | 2021-04-06 | 京东方科技集团股份有限公司 | Liquid crystal splicing display module and control system and method thereof |
| CN110189687B (en) * | 2019-06-04 | 2020-10-09 | 深圳市摩西尔电子有限公司 | Method and device for carrying out image transformation on LED module image |
| CN111698556B (en) * | 2020-06-30 | 2021-12-07 | 康佳集团股份有限公司 | 8K video processing system and method for Micro LED |
| CN114125539B (en) * | 2022-01-28 | 2022-05-03 | 广州长嘉电子有限公司 | Intelligent large-screen device high-definition playing control method and system based on wireless transmission |
| CN114237472B (en) * | 2022-02-24 | 2022-05-17 | 深圳市鱼儿科技有限公司 | Display method and device suitable for different LED display screens and LED display screen |
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