CN110264938A - Image display method and apparatus - Google Patents
Image display method and apparatus Download PDFInfo
- Publication number
- CN110264938A CN110264938A CN201910569066.5A CN201910569066A CN110264938A CN 110264938 A CN110264938 A CN 110264938A CN 201910569066 A CN201910569066 A CN 201910569066A CN 110264938 A CN110264938 A CN 110264938A
- Authority
- CN
- China
- Prior art keywords
- brightness
- output
- display
- image
- input
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2340/00—Aspects of display data processing
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Transforming Electric Information Into Light Information (AREA)
- Controls And Circuits For Display Device (AREA)
Abstract
The application proposes a kind of image display method and apparatus, this method comprises: obtaining the brightness display range of image to be displayed according to the first output brightness of the panel luminance of display and display；First output brightness is the display brightness of previous frame image over the display；In brightness display range, input brightness and output brightness are obtained, establish input brightness and exports the brightness mapping relations of brightness；It obtains target and inputs brightness；Target inputs the original brightness that brightness is image to be displayed；Brightness and brightness mapping relations are inputted according to target, obtains the second output brightness；Second output brightness is the display brightness of image to be displayed.In conjunction with the panel luminance of display and the display brightness of previous frame image, establishes input brightness and export the brightness mapping relations of brightness.Good display effect can be obtained when display shows image to be displayed according to the display brightness by the display brightness for the image to be displayed that the mapping relations obtain.
Description
Technical field
This application involves image display arts, in particular to a kind of image display method and apparatus.
Background technique
HDR (High Dynamic Range, high dynamic range) technology is a kind of one kind of processing display display image
Technology.The brightness order of magnitude of the image of camera acquisition is generally 216It is even higher, and display is generally only able to display 28It is a bright
Degree magnitude.Since what display was shown is limited in scope, so that display when displaying an image, loses excessive image detail.HDR
The image of technical treatment can provide more image details, and when solving display display, image detail loses excessive ask
Topic.
In the prior art, after being handled on the set-top box using HDR technology image, the image handled well is sent
When being shown to display, since television set can carry out the adjustment of brightness to the image handled well, so that the image is in TV
Poor display effect at machine.
Summary of the invention
The application's is designed to provide a kind of image display method and apparatus, will be adjusted to aobvious with solving display
The problem of brightness of diagram picture dims, and influences the display effect of image to be displayed.
To achieve the goals above, the embodiment of the present application the technical solution adopted is as follows:
In a first aspect, the embodiment of the present application provides a kind of image display method, comprising: according to the panel luminance of display and
First output brightness of the display, obtains the brightness display range of image to be displayed.The first output brightness is upper one
The display brightness of frame image on the display.
In the brightness display range, obtain input brightness and output brightness, establish the input brightness with it is described defeated
The brightness mapping relations of brightness out.It obtains target and inputs brightness, the target input brightness is the original of the image to be displayed
Brightness.Brightness and the brightness mapping relations are inputted according to the target, obtains the second output brightness.Second output is bright
Degree is the display brightness of the image to be displayed.
Optionally, the acquisition input brightness and output brightness establish the input brightness with described and export the bright of brightness
Spend mapping relations, comprising: according to the panel luminance and the first output brightness, obtain compensation brightness.According to the input
Brightness and the compensation brightness obtain the output brightness.According to the input brightness and the output brightness, establish described defeated
Enter the brightness mapping relations of brightness and the output brightness.
Optionally, described that brightness and the brightness mapping relations are inputted according to the target, obtain the second output brightness
Later, further includes: according to the panel luminance and the first output brightness, obtain compensation brightness.According to second output
Brightness and the compensation brightness, the display brightness after obtaining luminance compensation.
Optionally, described that brightness is exported according to the panel luminance of display and the first of the display, it obtains to be shown
Before the brightness display range of image, further includes: obtain the brightness statistics histogram of the first output brightness.
Optionally, described in the brightness display range, input brightness and output brightness are obtained, it is bright to establish the input
After degree and the brightness mapping relations of the output brightness, further includes: brightness is exported according to the panel luminance and described first,
Obtain compensation brightness；It is described that brightness and the brightness mapping relations are inputted according to the target, obtain the second output brightness, packet
It includes: brightness, the brightness mapping relations and the compensation brightness is inputted according to the target, it is bright to obtain second output
Degree.
Optionally, described that brightness and the brightness mapping relations are inputted according to the target, obtain the second output brightness
Later, further includes: according to the panel luminance and the first output brightness, obtain compensation brightness；According to second output
Brightness and the compensation brightness, the display brightness after obtaining luminance compensation.
Optionally, described that brightness is exported according to the panel luminance of display and the first of the display, it obtains to be shown
The brightness display range of image, comprising: according to every rank brightness in the panel luminance and the brightness statistics histogram, obtain
The brightness display range of every rank brightness.
Optionally, described in the brightness display range, input brightness and output brightness are obtained, it is bright to establish the input
The brightness mapping relations of degree and the output brightness, comprising: in the brightness display range of every rank brightness, obtain described defeated
Enter brightness and the output brightness, establish the input brightness and exports the brightness mapping relations of brightness.
Optionally, the acquisition input brightness and output brightness establish the input brightness with described and export the bright of brightness
Spend mapping relations, comprising: according to the panel luminance and brightness statistics histogram, obtain the compensation brightness of every rank brightness.According to
The compensation brightness of the input brightness and every rank brightness, obtains the output brightness of every rank brightness.According to the input brightness
With the output brightness of every rank brightness, the brightness mapping for establishing the output brightness of the input brightness and every rank brightness is closed
System.
Optionally, described that brightness and the brightness mapping relations are inputted according to the target, the second output brightness is obtained,
Include: that brightness and the brightness mapping relations are inputted according to the target, obtains the corresponding second output brightness of every rank brightness.
Optionally, described that brightness and the brightness mapping relations are inputted according to the target, it is corresponding to obtain every rank brightness
Second output brightness after, further includes: according to the panel luminance and brightness statistics histogram, obtain the compensation of every rank brightness
Brightness；The compensation brightness that brightness and every rank brightness are exported according to every rank brightness corresponding second, obtains luminance compensation
Display brightness afterwards.
Second aspect, the embodiment of the present application provide a kind of image display device, comprising: obtain module, mapping block and defeated
Module out.The acquisition module, for the first output brightness according to the panel luminance of display and the display, obtain to
Show the brightness display range of image；The first output brightness is the display brightness of previous frame image on the display.
The mapping block establishes the input brightness in the brightness display range, obtaining input brightness and output brightness
With the brightness mapping relations of the output brightness.The acquisition module is also used to obtain target input brightness；The target input
Brightness is the original brightness of the image to be displayed.The output module, for inputting brightness and described according to the target
Brightness mapping relations obtain the second output brightness；The second output brightness is the display brightness of the image to be displayed.
Optionally, the acquisition module is also used to obtain compensation according to the panel luminance and the first output brightness
Brightness.According to the input brightness and the compensation brightness, the output brightness is obtained.According to the input brightness and described defeated
The brightness mapping relations of the input brightness and the output brightness are established in brightness out.
Optionally, the acquisition module is also used to obtain the brightness statistics histogram of the first output brightness.
Compared with the existing technology, a kind of image display method and apparatus provided by the embodiment of the present application, it is aobvious by acquiring
Show the panel luminance of device and the first output brightness of display, obtains the brightness display range of image to be displayed, and bright at this
It spends in indication range and establishes input brightness and export the brightness mapping relations of brightness.Since the brightness mapping relations combine display
The information of device, therefore, by the target input brightness of image to be displayed according to brightness mapping relations, the second of acquisition exports brightness,
The display brightness of the image to be displayed of the second output brightness ratio prior art is strong, since display can be by the bright of image to be displayed
Degree dims, and therefore, the second output brightness that image display method provided by the present application is obtained is sent to display and shows, can obtain
Obtain good display effect.
To enable the above objects, features, and advantages of the application to be clearer and more comprehensible, preferred embodiment is cited below particularly, and cooperate
Appended attached drawing, is described in detail below.
Detailed description of the invention
Technical solution in ord to more clearly illustrate embodiments of the present application, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only some embodiments of the application, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is image display system structural schematic diagram provided by the embodiments of the present application；
Fig. 2 is the image display method flow diagram that one embodiment of the application provides；
Fig. 3 is the image display method flow diagram that another embodiment of the application provides；
Fig. 4 is the image display method flow diagram that another embodiment of the application provides；
Fig. 5 is brightness statistics histogram；
Fig. 6 is the image display method flow diagram that another embodiment of the application provides；
Fig. 7 is the image display method flow diagram that another embodiment of the application provides；
Fig. 8 is the image display method flow diagram that another embodiment of the application provides；
Fig. 9 is the image display method flow diagram that another embodiment of the application provides；
Figure 10 is the image display method flow diagram that another embodiment of the application provides；
Figure 11 is the image display device structural schematic diagram that one embodiment of the application provides.
Specific embodiment
To keep the purposes, technical schemes and advantages of the embodiment of the present application clearer, below in conjunction with the embodiment of the present application
In attached drawing, the technical scheme in the embodiment of the application is clearly and completely described, it is clear that described embodiment is
Some embodiments of the present application, instead of all the embodiments.The application being usually described and illustrated herein in the accompanying drawings is implemented
The component of example can be arranged and be designed with a variety of different configurations.
Therefore, the detailed description of the embodiments herein provided in the accompanying drawings is not intended to limit below claimed
Scope of the present application, but be merely representative of the selected embodiment of the application.Based on the embodiment in the application, this field is common
Technical staff's every other embodiment obtained without creative efforts belongs to the model of the application protection
It encloses.
Compared with normal image, HDR image can show more details, and the picture sense of HDR image is stronger, closer
The visual effect that human eye receives.But HDR video needs to show on the television set for supporting HDR technology, and common
Television set cannot directly display HDR image.However the cost for replacing television set is relatively high, it is therefore possible to use supporting HDR technology
Set-top box and general television set collocation use so that general television set show HDR image.
It is used using supporting that the set-top box of HDR technology is arranged in pairs or groups with the television set with HDR function, so that having the function of HDR
Television set show HDR image when, obtain better display effect.
Fig. 1 is image display system structural schematic diagram provided by the embodiments of the present application, as shown in Figure 1, the image display system
System includes: set-top box 101 and display 102.
Set-top box 101 is connect with display 102, and set-top box 101 receives source video data, and image is sent out by treated
It send to display, so that display is shown.Wherein, source video is the video to be shown handled to set-top box 101, wherein including
Continuous multiple image.Set-top box 101 is to every frame image in source video according to display timing to the processing mode of source video
It is handled.
It is illustrated so that display 102 in the prior art shows treated the image of set-top box 101 as an example below, continues to join
See that Fig. 1, set-top box 101 pass through HDR technical treatment for receiving source video data, and by the image of source video data, be adjusted to
After being suitble to the image of display, it is sent to display 102 and is shown.
Limitation and display 102 due to the brightness range of the display of display 102 are to reach energy-saving effect for brightness tune
The factors such as dark, so that display 102 when showing the image that set-top box 101 is sent, will lead to the image after adjusting in display
It is dimmed at 102, therefore, brightness is dark than expected for the intrinsic brilliance of the display at display 102 of the image, so that image
Poor display effect at display 102.
In view of the above-mentioned problems, the following embodiments of the application give a kind of technical solution, core improvement is, in machine
When brightness regulation is done in top box side, in conjunction with the brightness that is shown at display of panel luminance and previous frame image of display, really
Determine the brightness display range of image to be displayed, and carry out brightness mapping in the brightness display range, so that display is according to this
Image after the adjusting obtained after mapping can rationally be shown at display.
The technical solution of the application is illustrated combined with specific embodiments below, Fig. 2 provides for one embodiment of the application
Image display method flow diagram, which can be held by the controller in the corresponding set-top box 101 of above-mentioned Fig. 1
Row, as shown in Fig. 2, this method comprises:
S201, brightness is exported according to the panel luminance of display and the first of display, obtains the brightness of image to be displayed
Indication range.
Panel luminance is the maximum brightness value that display pannel can be shown.Panel luminance is fixed value, the size of value by
The material of panel determines.Panel luminance is stored in the screen parameter of display chip.Display can pass through HDMI (High
Definition Multimedia Interface, high-definition multimedia) panel luminance value is sent to set-top box by interface.
First output brightness is the display brightness of previous frame image over the display.First output brightness is counted by display
It obtains.
In the adjustment of global backlight, the first output brightness of a frame image is a fixed value, obtains image to be displayed
Steps are as follows for brightness display range:
It should be noted that the panel luminance and the first output brightness to acquisition need to normalize to identical brightness range
It is interior.
Optionally, panel luminance and the first output brightness normalize to 1024 (i.e. 10BT).It can be obtained by following formula
Obtain the max-thresholds of brightness display range:
Targetl1=(Panel*Prel) > > 10；
Wherein, Panel indicates panel luminance；Prel indicates the first output brightness；Targetl1 is indicated in global backlight tune
The max-thresholds of the brightness display range obtained when whole；" * " indicates multiplication sign；" > > 10 " expression obtains " (Panel*Prel) "
Value moves to right 10BT, so that the max-thresholds of the brightness display range of the Targetl1 obtained and panel luminance, the first output brightness
It normalizes in the same brightness range.
Targetl1 is obtained by above formula, can obtain brightness display range is 0-Targetl1.
It should be noted that the intrinsic brilliance that the identical value of different brightness ranges represents may be different, such as the first brightness
Range is 0-256 and the second brightness range is in 0-1024, and it is the intrinsic brilliance indicated that only brightness value, which is 0, in two brightness ranges
It is identical, and the intrinsic brilliance that the 256 of the first brightness range intrinsic brilliances represented are represented with the 1024 of the second brightness range is identical.
Therefore, it is necessary to return the max-thresholds of Targetl1 brightness display range, the output brightness of Prel first and Panel panel luminance
One changes into identical range, convenient for calculating.
S202, in brightness display range, obtain input brightness and output brightness, establish input brightness and export brightness
Brightness mapping relations.
In the adjustment of global backlight, multiple input brightness are selected in brightness display range 0-Targetl1, and are obtained each
Input the corresponding output brightness of brightness.It is alternatively possible to select 16~32 input brightness, and it is corresponding to obtain each input brightness
Export brightness.
By the multiple input brightness and multiple output brightness of selection, it is bent that the brightness mapping relations of foundation can be mapping
Line is also possible to mapping table.
S203, target input brightness is obtained.Target inputs the original brightness that brightness is image to be displayed.
The attribute of source video is contained in metadata, the essential informations such as brightness value, set-top box is from the metadata of source video
Obtain the original brightness of image to be displayed.
S204, brightness and brightness mapping relations are inputted according to target, obtains the second output brightness.Second, which exports brightness, is
The display brightness of image to be displayed.
Image to be displayed is shown according to the second output brightness.
It is every time only needle according to the mapping of brightness mapping relations it should be noted that including multiple image in source video
One frame image (that is, image to be displayed) is carried out.After the primary mapping of every completion and display, need to mapping relations according to working as
Preceding previous frame image is updated, and the mapping of a new round is carried out according to current image to be displayed.
In image display method provided in this embodiment, by acquire display panel luminance and display first
Brightness is exported, the brightness display range of image to be displayed is obtained, and establishes input brightness and defeated in the brightness display range
The brightness mapping relations of brightness out.By the target input brightness of image to be displayed according to brightness mapping relations, the second of acquisition is defeated
Brightness out, since the brightness mapping relations combine the information of display, even if display can be by the brightness tune of image to be displayed
Secretly, but since the display brightness of the image to be displayed of the second output brightness ratio prior art obtained is strong, by this Shen
The second output brightness that the image display method that please be provided obtains is sent to display and shows, can also obtain good display effect
Fruit.
To prevent image to be displayed dimmed in display side overall picture, can Fig. 2 provide embodiment on the basis of,
When establishing mapping relations, pixel compensation is carried out to image to be displayed, specifically, Fig. 3 is what another embodiment of the application provided
Image display method flow diagram, as shown in figure 3, S202, comprising:
S202-1a, brightness is exported according to panel luminance and first, obtains compensation brightness.
It should be noted that compensation brightness is to need increased brightness.
Optionally, compensation brightness can be obtained by following formula:
CompData1=Panel- [(Panel*Prel) > > 10]；
Wherein, CompData1 indicates the compensation brightness in the adjustment of global backlight.It is directed to a frame image to be displayed,
CompData1 is a fixed value.
S202-1b, according to input brightness and compensation brightness, obtain output brightness.
Compared with the case where not considering compensation brightness, in the case where considering compensation brightness, the output brightness of acquisition
It is stronger.For example, input brightness value is 800 when not considering compensation brightness, corresponding output brightness value is 600.When in view of mending
Repay brightness, and when compensation is 10, since compensation brightness is to lighten image to be displayed, the output brightness value that obtains
It is 610.
S202-1c, according to input brightness and output brightness, establish input brightness and export brightness brightness mapping relations.
In display side, set-top box can be dimmed by the second output brightness that brightness mapping relations obtain, in this implementation
In the image display method that example provides, by introducing compensation brightness when establishing brightness mapping relations, by image to be displayed in machine
The brightness that top box side obtains increases, and compensates for display in the brightness for showing that the image to be displayed dims, so that display is in reality
Good display effect can be obtained when the display on border.
Optionally, being introduced into for compensation brightness can also only pass through input brightness and output brightness after the S202 in Fig. 2
Brightness mapping relations are established, on the basis of the output brightness that brightness mapping relations obtain, introduce compensation brightness.Fig. 7 is this Shen
Please the image display method flow diagram that provides of another embodiment, specifically, as shown in fig. 7, after S202, further includes:
S205, brightness is exported according to panel luminance and first, obtains compensation brightness.
S204, comprising:
S204a, brightness, brightness mapping relations and compensation brightness are inputted according to target, obtains the second output brightness.
Optionally, being introduced into for compensation brightness after obtaining the second output brightness, can also pass through benefit in the S204 in Fig. 2
It repays brightness and luminance compensation is carried out to the second output brightness.Fig. 8 is the image display method process that another embodiment of the application provides
Schematic diagram, specifically, as shown in figure 8, after S204, further includes:
S206, brightness is exported according to panel luminance and first, obtains compensation brightness.
S207, the display brightness according to the second output brightness and the compensation brightness, after obtaining luminance compensation.It needs to illustrate
, above embodiments be set-top box side introduce compensation brightness do luminance compensation, the luminance compensation primarily directed in
When establishing mapping relations, or when mapping, the brightness of mapping result is adjusted, essence is all to show image in television set
Before showing, the promotion of brightness of image is carried out.In Fig. 7 and Fig. 8 introduce compensation brightness carry out luminance compensation the reason of, with it is aforementioned
Similar in embodiment, details are not described herein.
In the adjustment of region backlight, need to be acquired the brightness statistics histogram of previous frame image, on the basis of Fig. 2
On, propose a kind of image display method in the adjustment of region backlight, Fig. 4 is the image that another embodiment of the application provides
Display methods flow diagram, specifically, as shown in figure 4, this method further include:
S301, the brightness statistics histogram for obtaining the first output brightness.
It should be noted that brightness statistics histogram is a kind of bar chart, record be brightness data distribution situation.It is bright
The brightness of the abscissa representative image of statistic histogram is spent, from left to right, brightness gradually increases, that is, completes from completely black to complete white
Transition.The ordinate of brightness statistics histogram represents the distribution situation of different brightness values.
It is as follows, it is illustrated so that brightness range is the 64 rank brightness statistics histogram of 0-1024 as an example:
Fig. 5 is brightness statistics histogram, indicates order referring to Fig. 5, abscissa i, straight for the brightness statistics of 64 ranks in Fig. 5
Fang Tu, therefore the brightness range that represents of every rank is the range of 16 brightness values, specifically, that is, the 1st rank brightness range is when i is 1
[0,16)；I be 2 when, i.e. the 2nd rank brightness range be [16,32).
Ordinate n indicates the frequency in Fig. 5, specifically, indicating the quantity of image pixel in the i-th rank brightness range.
For example, the frequency n of the 2nd rank is that the frequency of the 10, the 4th rank is 0 in brightness statistics histogram.
Fig. 6 is the image display method flow diagram that another embodiment of the application provides, as shown in fig. 6, S201, packet
It includes:
S201-1, according to every rank brightness in panel luminance and brightness statistics histogram, the brightness for obtaining every rank brightness is aobvious
Demonstration is enclosed.
Continue by taking 64 rank brightness statistics histograms in Fig. 5 as an example, every rank brightness can be calculated by following formula and shown
The max-thresholds of range:
Targetl2 [i]=[(i<<4) * Panel]>>10；
Wherein, 0 < i < 64；" i < < 4 " indicates brightness i moving to left 4BT (i.e. 16), so that obtaining brightness i, to normalize to panel bright
In the brightness range 0-1024 of degree；Targetl2 [i] is the max-thresholds of the i-th rank brightness display range.
Wherein, in the formula for calculating Targetl2 [i], the corresponding n of i meets the case where being greater than 0, just calculates corresponding
Targetl2[i].With continued reference to Fig. 5, when i is 1, corresponding n(1)It is not 0, therefore calculates the Targetl2 [1] when i is 1.I is 4
When, corresponding n(4)It is 0, therefore does not calculate the max-thresholds of corresponding 4th rank brightness display range when i is 4.In Fig. 5, each
The i for meeting above-mentioned condition is intended to calculate the corresponding Targetl2 [i] of i.
The brightness display range of i-th rank is 0-Targetl2 [i].
With continued reference to Fig. 6, S202, comprising:
S202-2, in the brightness display range of every rank brightness, obtain input brightness and output brightness, establish input brightness
With the brightness mapping relations of output brightness.
Optionally, it in the corresponding indication range of every rank brightness, is selected by the way of cube interpolation in the indication range
Input brightness and output brightness.The brightness mapping relations of foundation can be brightness mapping curve.Wherein it is possible to pass through minimum two
The mode of multiplication establishes brightness mapping curve.
Continuation is illustrated by taking 64 rank brightness statistics histograms in Fig. 5 as an example, calculates 64 rank brightness map histograms
Middle n(i)It is not 0 every rank brightness mapping relations, the brightness mapping relations of each rank is summarized, it is corresponding to form image to be displayed
Total mapping relations.Image to be displayed is mapped according to total mapping relations, obtains treated image, and over the display
Display.
In image display method provided by the present application, region backlight adjusts the display frequency for having counted each rank brightness, and
The indication range of each rank brightness is obtained, can targetedly select input brightness and output brightness to establish in each rank brightness
Brightness mapping relations, i.e., in the rank brightness that brightness frequency n is 0, without inputting brightness and exporting the reconnaissance of brightness,
That is, not establishing brightness mapping relations in the rank brightness that frequency n is 0.In the bigger brightness of brightness frequency n, Ke Yiduo
Some input brightness and output brightness are selected, to establish more accurate brightness mapping relations.
Optionally, the application also provides a kind of image display method: in the adjustment of region backlight, carrying out luminance compensation, tool
Body, Fig. 9 is the image display method flow diagram that another embodiment of the application provides, as shown in figure 9, S202, comprising:
S202-3a, according to panel luminance and brightness statistics histogram, obtain the compensation brightness of every rank brightness.
Optionally, due to acquiring the corresponding brightness statistics histogram of previous frame image in the adjustment of region backlight, because
This, can be as accurate as carrying out luminance compensation to every rank brightness.Compensation brightness can be calculate by the following formula:
CompData2 [i]=Panel-Targetl2 [i]；
Wherein, CompData2 [i] is the compensation brightness to the i-th rank brightness.
It should be noted that adjusting for region backlight, need to calculate the compensation brightness of every rank brightness.According to the benefit of calculating
Brightness is repaid, corresponding luminance compensation is carried out to each rank brightness.
S202-3b, according to input brightness and every rank brightness compensation brightness, obtain the output brightness of every rank brightness.S202-
3c, according to the output brightness of input brightness and every rank brightness, the brightness of output brightness for establishing input brightness and every rank brightness is reflected
Penetrate relationship.
It should be noted that in step S202-3b and S202-3c, in the method and above embodiments of luminance compensation
The method of luminance compensation is identical, and details are not described herein.
Optionally, Figure 10 is the image display method flow diagram that another embodiment of the application provides, as shown in Figure 10,
S204, comprising:
S204b, brightness and brightness mapping relations are inputted according to target, it is bright obtains corresponding second output of every rank brightness
Degree.
It should be noted that brightness mapping relations are to input the output of brightness and every rank brightness in the adjustment of region backlight
The mapping relations of brightness, according to the mapping relations obtain second output brightness, second output brightness in include every rank brightness according to
The output brightness that mapping relations obtain.
Optionally, with continued reference to Figure 10, after S204b, further includes:
S208, according to panel luminance and brightness statistics histogram, obtain the compensation brightness of every rank brightness.
S209, the compensation brightness for exporting brightness and every rank brightness according to every rank brightness, the display after obtaining luminance compensation
Brightness.
It should be noted that the reason of compensation brightness carries out luminance compensation is introduced, it is similar in previous embodiment,
This is repeated no more.
Be given below it is a kind of for executing the image display device of above method class embodiment, specifically, Figure 11 be this Shen
Please an embodiment provide image display device structural schematic diagram, as shown in Figure 10, comprising: obtain module 401, mapping block
402 and output module 403.
Module 401 is obtained, for obtaining to be shown according to the panel luminance of display and the first output brightness of display
The brightness display range of image；First output brightness is the display brightness of previous frame image over the display.
Mapping block 402 establishes input brightness in brightness display range, obtaining input brightness and output brightness
With the brightness mapping relations of output brightness.
Module 401 is obtained, is also used to obtain target input brightness；It is the original bright of image to be displayed that target, which inputs brightness,
Degree.
Output module 403 obtains the second output brightness for inputting brightness and brightness mapping relations according to target.The
Two output brightness are the display brightness of image to be displayed.
Optionally, module 401 is obtained, is also used to obtain compensation brightness according to panel luminance and the first output brightness.According to
Brightness and compensation brightness are inputted, output brightness is obtained.According to input brightness and output brightness, input brightness and output brightness are established
Brightness mapping relations.
Optionally, module 401 is obtained, is also used to obtain the brightness statistics histogram of the first output brightness.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in process, method, article or equipment including the element.
In the description of the present application, it is also necessary to which explanation is unless specifically defined or limited otherwise, term " setting ",
" connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can be
Mechanical connection, is also possible to be electrically connected；It can be directly connected, two can also be can be indirectly connected through an intermediary
Connection inside element.For the ordinary skill in the art, above-mentioned term can be understood in the application with concrete condition
In concrete meaning.
The foregoing is merely preferred embodiment of the present application, are not intended to limit this application, for the skill of this field
For art personnel, various changes and changes are possible in this application.Within the spirit and principles of this application, made any to repair
Change, equivalent replacement, improvement etc., should be included within the scope of protection of this application.
It is obvious to a person skilled in the art that the application is not limited to the details of above-mentioned exemplary embodiment, Er Qie
In the case where without departing substantially from spirit herein or essential characteristic, the application can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and scope of the present application is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included in the application.Any reference signs in the claims should not be construed as limiting the involved claims.
Claims (10)
1. a kind of image display method characterized by comprising
According to the first output brightness of the panel luminance of display and the display, the brightness for obtaining image to be displayed shows model
It encloses；The first output brightness is the display brightness of previous frame image on the display；
In the brightness display range, input brightness and output brightness are obtained, the input brightness is established and the output is bright
The brightness mapping relations of degree；
It obtains target and inputs brightness；The target input brightness is the original brightness of the image to be displayed；
Brightness and the brightness mapping relations are inputted according to the target, obtains the second output brightness；Second output is bright
Degree is the display brightness of the image to be displayed.
2. image display method as described in claim 1, which is characterized in that the acquisition input brightness and output brightness are built
Found the brightness mapping relations of the input brightness and the output brightness, comprising:
According to the panel luminance and the first output brightness, compensation brightness is obtained；
According to the input brightness and the compensation brightness, the output brightness is obtained；
According to the input brightness and the output brightness, the brightness mapping for establishing the input brightness and the output brightness is closed
System.
3. image display method described in claim 1, which is characterized in that described according to target input brightness and described
Brightness mapping relations, after acquisition the second output brightness, further includes:
According to the panel luminance and the first output brightness, compensation brightness is obtained；
Display brightness according to the second output brightness and the compensation brightness, after obtaining luminance compensation.
4. image display method as described in claim 1, which is characterized in that the panel luminance according to display and described
First output brightness of display, before the brightness display range for obtaining image to be displayed, further includes:
Obtain the brightness statistics histogram of the first output brightness.
5. image display method as claimed in claim 4, which is characterized in that the panel luminance according to display and described
First output brightness of display, obtains the brightness display range of image to be displayed, comprising:
According to every rank brightness in the panel luminance and the brightness statistics histogram, the brightness for obtaining every rank brightness shows model
It encloses.
6. image display method as claimed in claim 5, which is characterized in that it is described in the brightness display range, it obtains
Brightness and output brightness are inputted, the brightness mapping relations of the input brightness and the output brightness are established, comprising:
In the brightness display range of every rank brightness, the input brightness and the output brightness are obtained, is established described defeated
Enter the brightness mapping relations of brightness and the output brightness.
7. image display method as claimed in claim 4, which is characterized in that the acquisition input brightness and output brightness are built
Found the brightness mapping relations of the input brightness and the output brightness, comprising:
According to the panel luminance and the brightness statistics histogram, the compensation brightness of every rank brightness is obtained；
According to the compensation brightness of the input brightness and every rank brightness, the output brightness of every rank brightness is obtained；
According to the output brightness of the input brightness and every rank brightness, the input brightness and every rank brightness are established
Export the brightness mapping relations of brightness.
8. image display method as claimed in claim 6, which is characterized in that described to input brightness and institute according to the target
Brightness mapping relations are stated, the second output brightness is obtained, comprising: brightness is inputted according to the target and brightness mapping is closed
System obtains the corresponding second output brightness of every rank brightness.
9. image display method as claimed in claim 8, which is characterized in that described to input brightness and institute according to the target
State brightness mapping relations, obtain every rank brightness it is corresponding second output brightness after, further includes:
According to the panel luminance and brightness statistics histogram, the compensation brightness of every rank brightness is obtained；
The compensation brightness that brightness and every rank brightness are exported according to every rank brightness corresponding second, after obtaining luminance compensation
Display brightness.
10. a kind of image display device characterized by comprising obtain module, mapping block and output module；
The acquisition module, for obtaining to aobvious according to the panel luminance of display and the first output brightness of the display
The brightness display range of diagram picture；The first output brightness is the display brightness of previous frame image on the display；
The mapping block establishes the input in the brightness display range, obtaining input brightness and output brightness
The brightness mapping relations of brightness and the output brightness；
The acquisition module is also used to obtain target input brightness；The target input brightness is the original of the image to be displayed
Beginning brightness；
It is bright to obtain the second output for inputting brightness and the brightness mapping relations according to the target for the output module
Degree；The second output brightness is the display brightness of the image to be displayed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910569066.5A CN110264938B (en) | 2019-06-27 | 2019-06-27 | Image display method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910569066.5A CN110264938B (en) | 2019-06-27 | 2019-06-27 | Image display method and device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110264938A true CN110264938A (en) | 2019-09-20 |
| CN110264938B CN110264938B (en) | 2022-12-20 |
Family
ID=67922449
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910569066.5A Active CN110264938B (en) | 2019-06-27 | 2019-06-27 | Image display method and device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110264938B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111798813A (en) * | 2020-07-20 | 2020-10-20 | 昆山国显光电有限公司 | Brightness adjusting method and device of display device and display device |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101261821A (en) * | 2008-05-08 | 2008-09-10 | 友达光电股份有限公司 | Gamma curve compensation method, gamma curve compensation circuit and display system |
| JP2010039199A (en) * | 2008-08-05 | 2010-02-18 | Toshiba Corp | Image processor and image display |
| US20110181500A1 (en) * | 2010-01-28 | 2011-07-28 | Himax Technologies Limted | Luminance compensation apparatus for an oled panel and method thereof |
| US20120327303A1 (en) * | 2011-06-21 | 2012-12-27 | Freescale Semiconductor, Inc | Backlit video display with dynamic luminance scaling |
| CN103680449A (en) * | 2013-12-17 | 2014-03-26 | Tcl集团股份有限公司 | Method and device for removing liquid crystal displayer mura |
| CN104581345A (en) * | 2014-12-29 | 2015-04-29 | 广东欧珀移动通信有限公司 | Method and device for adjusting displayed frames |
| CN107481696A (en) * | 2017-09-27 | 2017-12-15 | 天津汇讯视通科技有限公司 | Self-adaptive image processing method based on gamma correlation |
| CN107610669A (en) * | 2017-10-30 | 2018-01-19 | 青岛海信电器股份有限公司 | Image gray-scale level luminance compensation method and device |
| JP2019008326A (en) * | 2018-10-03 | 2019-01-17 | エルジー ディスプレイ カンパニー リミテッド | Image display method and image display device |
| CN109391855A (en) * | 2017-08-09 | 2019-02-26 | 中国电信股份有限公司 | The determination method and set-top box of display brightness value |
| CN109429099A (en) * | 2017-08-31 | 2019-03-05 | 华为技术有限公司 | For playing method, processor and the apparatus for media playing of media file |
| CN109754770A (en) * | 2019-02-25 | 2019-05-14 | 惠科股份有限公司 | Display panel brightness adjusting method and display device |
-
2019
- 2019-06-27 CN CN201910569066.5A patent/CN110264938B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101261821A (en) * | 2008-05-08 | 2008-09-10 | 友达光电股份有限公司 | Gamma curve compensation method, gamma curve compensation circuit and display system |
| JP2010039199A (en) * | 2008-08-05 | 2010-02-18 | Toshiba Corp | Image processor and image display |
| US20110181500A1 (en) * | 2010-01-28 | 2011-07-28 | Himax Technologies Limted | Luminance compensation apparatus for an oled panel and method thereof |
| US20120327303A1 (en) * | 2011-06-21 | 2012-12-27 | Freescale Semiconductor, Inc | Backlit video display with dynamic luminance scaling |
| CN103680449A (en) * | 2013-12-17 | 2014-03-26 | Tcl集团股份有限公司 | Method and device for removing liquid crystal displayer mura |
| CN104581345A (en) * | 2014-12-29 | 2015-04-29 | 广东欧珀移动通信有限公司 | Method and device for adjusting displayed frames |
| CN109391855A (en) * | 2017-08-09 | 2019-02-26 | 中国电信股份有限公司 | The determination method and set-top box of display brightness value |
| CN109429099A (en) * | 2017-08-31 | 2019-03-05 | 华为技术有限公司 | For playing method, processor and the apparatus for media playing of media file |
| CN107481696A (en) * | 2017-09-27 | 2017-12-15 | 天津汇讯视通科技有限公司 | Self-adaptive image processing method based on gamma correlation |
| CN107610669A (en) * | 2017-10-30 | 2018-01-19 | 青岛海信电器股份有限公司 | Image gray-scale level luminance compensation method and device |
| JP2019008326A (en) * | 2018-10-03 | 2019-01-17 | エルジー ディスプレイ カンパニー リミテッド | Image display method and image display device |
| CN109754770A (en) * | 2019-02-25 | 2019-05-14 | 惠科股份有限公司 | Display panel brightness adjusting method and display device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111798813A (en) * | 2020-07-20 | 2020-10-20 | 昆山国显光电有限公司 | Brightness adjusting method and device of display device and display device |
| CN111798813B (en) * | 2020-07-20 | 2022-01-04 | 昆山国显光电有限公司 | Brightness adjusting method and device of display device and display device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110264938B (en) | 2022-12-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104123926B (en) | Gamma compensated method and use the display device of this gamma compensated method | |
| KR101443371B1 (en) | Liquid crystal display device and driving method of the same | |
| CN100542236C (en) | Brightness adjusting method of LCD TV backlight | |
| US7705816B2 (en) | Generating corrected gray-scale data to improve display quality | |
| CN103106876B (en) | Global dimming method of liquid crystal display backlight based on image classification | |
| CN102117600A (en) | Method for improving partitioned halation of LED (Light Emitting Diode) backlight source and control device thereof | |
| CN108492772B (en) | A kind of Gamma adjusting method and Gamma regulating system | |
| KR20100020242A (en) | Liquid crystal display and driving method thereof | |
| CN108766372A (en) | A method of improving the mura phenomenons of display panel | |
| CN107680526A (en) | A kind of brightness Mura compensation methodes | |
| CN107945766A (en) | Display device | |
| CN105208365A (en) | Display signal processing method, display signal processing device and display equipment | |
| KR20030073390A (en) | A liquid crystal display for improving dynamic contrast and a method for generating gamma voltages for the liquid crystal display | |
| CN107342054B (en) | Display device, display control method and display control unit | |
| CN101364384A (en) | Method and apparatus for liquid crystal image processing | |
| JP2015152921A (en) | display device | |
| CN101281733A (en) | Liquid crystal display method | |
| US20090251399A1 (en) | Dynamic contrast ratio processing method and apparatus of liquid crystal displaying apparatus | |
| CN103177702B (en) | There is display and the method thereof of GTG expanded function | |
| CN106548763A (en) | A kind of method for displaying image and device and terminal | |
| KR20070029128A (en) | Dynamic gamma for a liquid crystal display | |
| CN109616080A (en) | A kind of abnormity screen outline compensation method and terminal | |
| CN115801969A (en) | Video data processing method, video display method and device, electronic equipment and readable storage medium | |
| CN104885119A (en) | Image processing device, image processing method, and recording medium | |
| US20160012571A1 (en) | Image processor and image processing system including the same |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |