CN104464629A - Compensation method for display result of display screen - Google Patents
Compensation method for display result of display screen Download PDFInfo
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- CN104464629A CN104464629A CN201410812051.4A CN201410812051A CN104464629A CN 104464629 A CN104464629 A CN 104464629A CN 201410812051 A CN201410812051 A CN 201410812051A CN 104464629 A CN104464629 A CN 104464629A
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Abstract
The embodiment of the invention discloses a compensation method and device for a display result of a display screen. The compensation method and device solve the technical problem that in the prior art, when a computer outputs signals, in various colors, with the same parameter to a display screen, due to the difference between LED particles and a drive chip, the visual display effect of uneven brightness or uneven color is generated on the display screen after outputting. The compensation method comprises the steps that a control site establishes a corresponding display optical measurement model for display information needing to be displayed on the display screen; compensation display information compensatory to the display optical measurement model is determined through the display optical measurement model; and meanwhile the display information and the compensation display information are output to the display screen to be displayed.
Description
Technical field
The present invention relates to field of photoelectric technology, particularly relate to the compensation method of a kind of display screen display result.
Background technology
LED display is by SMT (surface mounting technology by multiple LED particle, Surface MountTechnology) in LED-baseplate, the LED particle of SMT is driven to carry out image by the driving chip of LED, the displays such as picture, along with the high speed development of science and technology, the monochrome display of LED display technique from, then to double-colored display, nowadays full-color display is shaping gradually, and receives much concern.
Because the production of LED particle and driving chip is volume production, then often there is the otherness of 3% between LED particle and LED particle, and between driving chip and driving chip, have the otherness of 1%, therefore when computer output display signal shows to LED display time, what export due to computer be colors (red, green, blue, the in vain) signal of identical parameters, but due to the variability issues of LED particle and driving chip, thus to cause what finally export that effect that display screen carries out showing visually presents to be the technical matters such as uneven brightness or color.
Summary of the invention
Embodiments provide compensation method and the compensation system of a kind of display screen display result, solve each color signal for identical parameters that prior art exports display screen at computer, but due to the variability issues of LED particle and driving chip, what finally exporting to of the causing effect that display screen carries out showing visually presented is the technical matters such as uneven brightness or color.
The compensation method of a kind of display screen display result that the embodiment of the present invention provides, comprising:
Control end sets up corresponding display optical measurement model to needing display display information on a display screen;
Determine that the compensation mutually compensated with described display optical measurement model shows information by described display optical measurement model;
Export simultaneously described display information and described compensation display information show to display screen.
Preferably,
Control end specifically comprises needing display display information on a display screen to set up corresponding display optical measurement model:
Control end extracts the brightness value of each pixel of described display information;
Corresponding described display optical measurement model is set up according to corresponding described pixel according to described brightness value.
Preferably,
Described display optical measurement model is that what set up by image processing technique is the 3D coordinate axis model of Benchmark brightness value with 0.
Preferably,
Determine that the compensation mutually compensated with described optical measurement model shows information and specifically comprises by described display optical measurement model:
Automatically transfer normalized optical measurement model, the brightness value of each pixel of described normalized optical measurement model is Benchmark brightness value 0;
Obtain the luminance compensation difference between described normalized optical measurement model and described display optical measurement model;
Determine that the compensation corresponding with described luminance compensation difference shows information.
Preferably,
The acquisition compensation corresponding with described luminance compensation difference shows information and specifically comprises:
The compensate for brightness model corresponding with described luminance compensation difference is set up according to described luminance compensation difference;
Extract the brightness value that each pixel in described compensate for brightness model is corresponding, and be converted to described compensation display information.
The compensation system of a kind of display screen display result that the embodiment of the present invention provides, comprising:
Set up unit, for setting up corresponding display optical measurement model to needs display display information on a display screen;
By described display optical measurement model, determining unit, for determining that the compensation mutually compensated with described display optical measurement model shows information;
Output unit, for export simultaneously described display information and described compensation display information show to display screen.
Preferably,
Set up unit specifically to comprise:
Extract subelement, for extracting the brightness value of each pixel of described display information;
Set up subelement, for setting up corresponding described display optical measurement model according to described brightness value according to corresponding described pixel.
Preferably,
Determining unit specifically comprises:
Transfer subelement, for automatically transferring normalized optical measurement model, the brightness value of each pixel of described normalized optical measurement model is Benchmark brightness value 0;
Obtain subelement, for obtaining the luminance compensation difference between described normalized optical measurement model and described display optical measurement model;
Determine subelement, for determining that the compensation corresponding with described luminance compensation difference shows information.
Preferably,
Determine that subelement specifically comprises:
Set up module, for setting up the compensate for brightness model corresponding with described luminance compensation difference according to described luminance compensation difference;
Modular converter, for extracting brightness value corresponding to each pixel in described compensate for brightness model, and is converted to described compensation display information.
Preferably,
Described display optical measurement model is that what set up by image processing technique is the 3D coordinate axis model of Benchmark brightness value with 0.
As can be seen from the above technical solutions, the embodiment of the present invention has the following advantages:
Provide compensation method and the compensation system of a kind of display screen display result in the embodiment of the present invention, wherein, compensation method comprises: control end sets up corresponding display optical measurement model to needs display display information on a display screen; Determine that the compensation mutually compensated with display optical measurement model shows information by display optical measurement model; Output display information and compensation display information show to display screen simultaneously.In the present embodiment, set up by the display optical measurement model corresponding with display information the compensation mutually compensated with display optical measurement model and show information, and export to display screen with display information simultaneously and show, just colors (red, green, blue, the white) signal for identical parameters that prior art exports display screen at computer is solved, but due to the variability issues of LED particle and driving chip, what finally exporting to of the causing effect that display screen carries out showing visually presented is the technical matters such as uneven brightness or color.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art 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 prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The schematic flow sheet of an embodiment of the compensation method of a kind of display screen display result that Fig. 1 provides for the embodiment of the present invention;
The schematic flow sheet of another embodiment of the compensation method of a kind of display screen display result that Fig. 2 provides for the embodiment of the present invention;
The structural representation of an embodiment of the compensation system of a kind of display screen display result that Fig. 3 provides for the embodiment of the present invention;
The structural representation of another embodiment of the compensation system of a kind of display screen display result that Fig. 4 provides for the embodiment of the present invention;
Fig. 5 is the 3D coordinate axis illustraton of model of display optical measurement model;
Fig. 6 is the 3D coordinate axis illustraton of model of compensate for brightness model;
Fig. 7 be export simultaneously compensate display information and display information show to display screen after the 3D coordinate axis illustraton of model of image.
Embodiment
Embodiments provide compensation method and the compensation system of a kind of display screen display result, solve each color signal for identical parameters that prior art exports display screen at computer, but due to the variability issues of LED particle and driving chip, what finally exporting to of the causing effect that display screen carries out showing visually presented is the technical matters such as uneven brightness or color.
For making goal of the invention of the present invention, feature, advantage can be more obvious and understandable, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, the embodiments described below are only the present invention's part embodiments, and the embodiment of not all.Based on the embodiment in the present invention, those of ordinary skill in the art, not making other embodiments all obtained under creative work prerequisite, belong to the scope of protection of the invention.
Refer to Fig. 1, an embodiment of the compensation method of a kind of display screen display result that the embodiment of the present invention provides comprises:
101, control end sets up corresponding display optical measurement model to needing display display information on a display screen;
In the present embodiment, work as display screen, it can be such as LED display, can also be LED mosaic display screen, need to show polychrome, or during full color image, first control end sets up corresponding display optical measurement model to needing display display information on a display screen, it should be noted that, aforesaid control end can be the PC control end etc. of the relation that establishes a communications link with display screen, does not specifically limit herein.
Communication connection relation in the present embodiment can be wire communication annexation, can also be radio communication annexation, does not specifically limit herein.
102, determine that the compensation mutually compensated with display optical measurement model shows information by display optical measurement model;
After control end sets up corresponding display optical measurement model to needs display display information on a display screen, need to determine that the compensation mutually compensated with display optical measurement model shows information by display optical measurement model, be understandable that, the aforesaid light compensation principle being mutually compensated for as optical principle.
It should be noted that, aforesaidly determine that the compensation mutually compensated with display optical measurement model shows information and will be described in detail in subsequent embodiment by display optical measurement model, specifically do not limit herein.
103, output display information and compensation display information show to display screen simultaneously.
After the compensation display information being determined by display optical measurement model mutually to compensate with display optical measurement model, needs simultaneously output display information and compensation display information show to display screen, and the final image that display screen is shown is the image shown after optic mutual compensation through display information and compensation display information.
In the present embodiment, set up by the display optical measurement model corresponding with display information the compensation mutually compensated with display optical measurement model and show information, and export to display screen with display information simultaneously and show, just colors (red, green, blue, the white) signal for identical parameters that prior art exports display screen at computer is solved, but due to the variability issues of LED particle and driving chip, what finally exporting to of the causing effect that display screen carries out showing visually presented is the technical matters such as uneven brightness or color.
The above is described in detail the flow process of compensation method, below by being determined that by display optical measurement model the detailed process that the compensation mutually compensated with display optical measurement model shows information is described in detail, refer to Fig. 2, an embodiment of the compensation method of a kind of display screen display result that the embodiment of the present invention provides comprises:
201, control end extracts the brightness value of each pixel of display information;
In the present embodiment, work as display screen, can be such as LED display, can also be LED mosaic display screen, needs to show polychrome, or during full color image, first control end extracts the brightness value of each pixel of display information, aforesaid pixel can be by red, green, blue, white in the pixel that formed of LED particle, it should be noted that, aforesaid control end can be the PC control end etc. of the relation that establishes a communications link with display screen, does not specifically limit herein.
Communication connection relation in the present embodiment can be wire communication annexation, can also be radio communication annexation, does not specifically limit herein.
202, corresponding display optical measurement model is set up according to brightness value according to corresponding pixel;
After control end extracts the brightness value of each pixel of display information, need to set up corresponding display optical measurement model according to brightness value according to corresponding pixel, as shown in Figure 5, aforesaid display optical measurement model is that what set up by image processing technique is the 3D coordinate axis model of Benchmark brightness value with 0.
203, automatically transfer normalized optical measurement model, the brightness value of each pixel of normalized optical measurement model is Benchmark brightness value 0;
After setting up corresponding display optical measurement model according to brightness value according to corresponding pixel, need automatically to transfer normalized optical measurement model, the brightness value of each pixel of normalized optical measurement model is Benchmark brightness value 0, be understandable that, the aforesaid light compensation principle being mutually compensated for as optical principle, 0 value of the y-axis of the 3D coordinate axis as shown in Fig. 5, Fig. 6 and Fig. 7 is Benchmark brightness value.
204, the luminance compensation difference between normalized optical measurement model and display optical measurement model is obtained;
When automatically transferring normalized optical measurement model, after the brightness value of each pixel of normalized optical measurement model is Benchmark brightness value 0, need to obtain the luminance compensation difference between normalized optical measurement model and display optical measurement model, be understandable that, aforesaid luminance compensation difference can be the Benchmark brightness value 0 by normalized optical measurement model and the brightness value of display optical measurement model, that carries out the brightness value of pixel asks difference, gets luminance compensation difference.
205, determine that the compensation corresponding with luminance compensation difference shows information;
After obtaining the luminance compensation difference between normalized optical measurement model and display optical measurement model, need to determine that the compensation corresponding with luminance compensation difference shows information, further as shown in Figure 6, obtain the compensation corresponding with luminance compensation difference to show information and specifically comprise:
A) the compensate for brightness model corresponding with luminance compensation difference is set up according to luminance compensation difference, it should be noted that, according to by the Benchmark brightness value 0 of normalized optical measurement model and the brightness value of display optical measurement model, that carries out the brightness value of pixel asks difference, and the luminance compensation difference got sets up the compensate for brightness model corresponding with difference as shown in Figure 6.
B) brightness value that each pixel in extraction compensate for brightness model is corresponding, and be converted to compensation display information.
206, output display information and compensation display information show to display screen simultaneously.
After determining the compensation display information corresponding with luminance compensation difference, output display information and compensation display information is simultaneously needed to show to display screen, the final image that display screen is shown is the image shown after optic mutual compensation through display information and compensation display information, it should be noted that, output display information and compensation display information carry out the optical measurement model of the display image shown as shown in Figure 7 to display screen simultaneously.
In the present embodiment, the compensate for brightness model mutually compensated with display optical measurement model is set up by the display optical measurement model corresponding with display information and preset normalized optical measurement model, and be converted to compensation display information, and export to display screen with display information simultaneously and show, just solve prior art computer to display screen export for the colors of identical parameters (red, green, blue, signal in vain), but due to the variability issues of LED particle and driving chip, what finally exporting to of the causing effect that display screen carries out showing visually presented is the technical matters such as uneven brightness or color, simultaneously, efficiently avoid the LED particle of supplier's supply and the otherness of driving chip and the hardware technology problem that produces, greatly increase the work efficiency of display screen.
Refer to Fig. 3, an embodiment of the compensation system of a kind of display screen display result provided in the embodiment of the present invention comprises:
Set up unit 301, for setting up corresponding display optical measurement model to needs display display information on a display screen;
Determining unit 302, for determining that by display optical measurement model the compensation mutually compensated with display optical measurement model shows information;
Output unit 303, for while output display information and compensate display information and show to display screen.
In the present embodiment, by setting up the display optical measurement model corresponding with display information that unit 301 is set up, the compensation mutually compensated with display optical measurement model that determining unit 302 is determined shows information, then output unit 303 exports simultaneously and compensates display information and display information and show to display screen, just solve prior art computer to display screen export for the colors of identical parameters (red, green, blue, signal in vain), but due to the variability issues of LED particle and driving chip, what finally exporting to of the causing effect that display screen carries out showing visually presented is the technical matters such as uneven brightness or color.
The above is described in detail each unit of the compensation system of display screen display result, to be described in detail determining unit below, refer to Fig. 5, another embodiment of the compensation system of a kind of display screen display result provided in the embodiment of the present invention comprises:
Set up unit 401, for setting up corresponding display optical measurement model to needs display display information on a display screen;
Wherein, set up unit 401 can further include:
Extract subelement 4011, for extracting the brightness value of each pixel of display information;
Set up subelement 4012, for setting up corresponding display optical measurement model according to brightness value according to corresponding pixel.
Determining unit 402, for being determined that by display optical measurement model the compensation mutually compensated with display optical measurement model shows information, it should be noted that, aforesaid display optical measurement model is that what set up by image processing technique is the 3D coordinate axis model of Benchmark brightness value with 0;
Wherein, determining unit 402 can further include:
Transfer subelement 4021, for automatically transferring normalized optical measurement model, the brightness value of each pixel of normalized optical measurement model is Benchmark brightness value 0;
Obtain subelement 4022, for obtaining the luminance compensation difference between normalized optical measurement model and display optical measurement model;
Determine subelement 4023, for determining that the compensation corresponding with luminance compensation difference shows information;
Wherein, determine that subelement 4023 can further include:
Set up module 40231, for setting up the compensate for brightness model corresponding with luminance compensation difference according to luminance compensation difference;
Modular converter 40232, for extracting brightness value corresponding to each pixel in compensate for brightness model, and is converted to and compensates display information.
Output unit 403, for while output display information and compensate display information and show to display screen.
In the present embodiment, by setting up the unit 401 display optical measurement model corresponding with display information and preset normalized optical measurement model, the compensate for brightness model that determining unit 402 and display optical measurement model compensate mutually, and be converted to compensation display information, then output unit 403 exports simultaneously and compensates display information and display information and show to display screen, just solve prior art computer to display screen export for the colors of identical parameters (red, green, blue, signal in vain), but due to the variability issues of LED particle and driving chip, what finally exporting to of the causing effect that display screen carries out showing visually presented is the technical matters such as uneven brightness or color, simultaneously, efficiently avoid the LED particle of supplier's supply and the otherness of driving chip and the hardware technology problem that produces, greatly increase the work efficiency of display screen.
Those skilled in the art can be well understood to, and for convenience and simplicity of description, the system of foregoing description, the specific works process of device and unit, with reference to the corresponding process in preceding method embodiment, can not repeat them here.
In several embodiments that the application provides, should be understood that, disclosed system, apparatus and method, can realize by another way.Such as, device embodiment described above is only schematic, such as, the division of described unit, be only a kind of logic function to divide, actual can have other dividing mode when realizing, such as multiple unit or assembly can in conjunction with or another system can be integrated into, or some features can be ignored, or do not perform.Another point, shown or discussed coupling each other or direct-coupling or communication connection can be by some interfaces, and the indirect coupling of device or unit or communication connection can be electrical, machinery or other form.
The described unit illustrated as separating component or can may not be and physically separates, and the parts as unit display can be or may not be physical location, namely can be positioned at a place, or also can be distributed in multiple network element.Some or all of unit wherein can be selected according to the actual needs to realize the object of the present embodiment scheme.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, also can be that the independent physics of unit exists, also can two or more unit in a unit integrated.Above-mentioned integrated unit both can adopt the form of hardware to realize, and the form of SFU software functional unit also can be adopted to realize.
If described integrated unit using the form of SFU software functional unit realize and as independently production marketing or use time, can be stored in a computer read/write memory medium.Based on such understanding, the part that technical scheme of the present invention contributes to prior art in essence in other words or all or part of of this technical scheme can embody with the form of software product, this computer software product is stored in a storage medium, comprising some instructions in order to make a computer equipment (can be personal computer, server, or the network equipment etc.) perform all or part of step of method described in each embodiment of the present invention.And aforesaid storage medium comprises: USB flash disk, portable hard drive, ROM (read-only memory) (ROM, Read-OnlyMemory), random access memory (RAM, Random Access Memory), magnetic disc or CD etc. various can be program code stored medium.
The above, above embodiment only in order to technical scheme of the present invention to be described, is not intended to limit; Although with reference to previous embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (10)
1. a compensation method for display screen display result, is characterized in that, comprising:
Control end sets up corresponding display optical measurement model to needing display display information on a display screen;
Determine that the compensation mutually compensated with described display optical measurement model shows information by described display optical measurement model;
Export simultaneously described display information and described compensation display information show to display screen.
2. the compensation method of display screen display result according to claim 1, is characterized in that, control end specifically comprises needing display display information on a display screen to set up corresponding display optical measurement model:
Control end extracts the brightness value of each pixel of described display information;
Corresponding described display optical measurement model is set up according to corresponding described pixel according to described brightness value.
3. the compensation method of display screen according to claim 2 display result, is characterized in that, described display optical measurement model is that what set up by image processing technique is the 3D coordinate axis model of Benchmark brightness value with 0.
4. the compensation method of display screen display result according to claim 3, is characterized in that, determine that the compensation mutually compensated with described optical measurement model shows information and specifically comprises by described display optical measurement model:
Automatically transfer normalized optical measurement model, the brightness value of each pixel of described normalized optical measurement model is Benchmark brightness value 0;
Obtain the luminance compensation difference between described normalized optical measurement model and described display optical measurement model;
Determine that the compensation corresponding with described luminance compensation difference shows information.
5. the compensation method of display screen display result according to claim 4, it is characterized in that, the acquisition compensation corresponding with described luminance compensation difference shows information and specifically comprises:
The compensate for brightness model corresponding with described luminance compensation difference is set up according to described luminance compensation difference;
Extract the brightness value that each pixel in described compensate for brightness model is corresponding, and be converted to described compensation display information.
6. a compensation system for display screen display result, is characterized in that, comprising:
Set up unit, for setting up corresponding display optical measurement model to needs display display information on a display screen;
By described display optical measurement model, determining unit, for determining that the compensation mutually compensated with described display optical measurement model shows information;
Output unit, for export simultaneously described display information and described compensation display information show to display screen.
7. the compensation system of display screen display result according to claim 6, is characterized in that, set up unit and specifically comprise:
Extract subelement, for extracting the brightness value of each pixel of described display information;
Set up subelement, for setting up corresponding described display optical measurement model according to described brightness value according to corresponding described pixel.
8. the compensation system of display screen display result according to claim 6, it is characterized in that, determining unit specifically comprises:
Transfer subelement, for automatically transferring normalized optical measurement model, the brightness value of each pixel of described normalized optical measurement model is Benchmark brightness value 0;
Obtain subelement, for obtaining the luminance compensation difference between described normalized optical measurement model and described display optical measurement model;
Determine subelement, for determining that the compensation corresponding with described luminance compensation difference shows information.
9. the compensation system of display screen display result according to claim 6, is characterized in that, determine that subelement specifically comprises:
Set up module, for setting up the compensate for brightness model corresponding with described luminance compensation difference according to described luminance compensation difference;
Modular converter, for extracting brightness value corresponding to each pixel in described compensate for brightness model, and is converted to described compensation display information.
10. the compensation system of display screen according to claim 7 display result, is characterized in that, described display optical measurement model is that what set up by image processing technique is the 3D coordinate axis model of Benchmark brightness value with 0.
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