CN106775550A - A kind of image display method and device - Google Patents
A kind of image display method and device Download PDFInfo
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- CN106775550A CN106775550A CN201611197271.6A CN201611197271A CN106775550A CN 106775550 A CN106775550 A CN 106775550A CN 201611197271 A CN201611197271 A CN 201611197271A CN 106775550 A CN106775550 A CN 106775550A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
- G06F3/147—Digital output to display device ; Cooperation and interconnection of the display device with other functional units using display panels
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Abstract
The present invention is applied to RGBW technical fields, there is provided a kind of image display method and device, the image display method include：Obtain picture；Recognize whether the picture is bright-coloured picture；If the picture is bright-coloured picture, then it is the corresponding brightness ratio of the bright-coloured picture to control current brightness ratio S/W, to highlight the heavy shade of the bright-coloured picture；Wherein, S is the brightness of heavy shade, and W is the brightness of white, and the bright-coloured picture is bright picture.It is the corresponding brightness ratio of the bright-coloured picture that the present invention controls current brightness ratio S/W, with after the heavy shade for highlighting the bright-coloured picture, be not in situation that saturation degree is substantially reduced, therefore improve display effect during the bright picture of RGBW Display panels.
Description
Technical field
The invention belongs to RGBW technical fields, more particularly to a kind of image display method and device.
Background technology
Pixel on general liquid crystal panel is made up of red bluish-green RGB three primary colors, and RGBW is carried out to red bluish-green dot structure
Improve, added white White sub-pixels on the basis of red R ed, green Green, blueness Blue sub-pixels, i.e. RGBW
Each pixel has four sub-pixels, and four sub-pixels are red R ed, green Green, blueness Blue sub-pixels, white White
Pixel.Based on tetra- panels of sub-pixel of RGBW, abbreviation RGBW panels.Due to RGBW panels possess light transmission rate it is high the characteristics of,
Therefore in mobile phone, the application on the product such as TV is more and more extensive.
However, during the bright picture of existing RGBW Display panels, display effect is not good.Its reason is,
In RGBW panels, it is assumed that S for heavy shade brightness, W be white brightness, brightness ratio is S/W, due to RGBW panels in it is bright
Degree ratio is far smaller than the brightness ratio in RGB panels, therefore when the picture that heavy shade and white coexist is shown, saturation
The brightness of color can be lower than the brightness of the saturation degree of RGB panel so that the picture of RGBW Display panels is not as the figure of RGB Display panels
Piece is bright-coloured, is unfavorable for improving display effect.
The content of the invention
The purpose of the embodiment of the present invention is to provide a kind of image display method, it is intended to solve existing RGBW Display panels
During bright picture, the not good problem of display effect.
The embodiment of the present invention is achieved in that a kind of image display method, including：
Obtain picture；
Recognize whether the picture is bright-coloured picture；
If the picture is bright-coloured picture, then current brightness ratio S/W is controlled for the bright-coloured picture is corresponding bright
Degree ratio, to highlight the heavy shade of the bright-coloured picture；
Wherein, S is the brightness of heavy shade, and W is the brightness of white, and the bright-coloured picture is bright picture.
The another object of the embodiment of the present invention is to provide a kind of image display apparatus, including：
Picture acquisition module, for obtaining picture；
Picture recognition module, for recognizing whether the picture is bright-coloured picture；
Ratio control module, if being bright-coloured picture for the picture, then it is described to control current brightness ratio S/W
The corresponding brightness ratio of bright-coloured picture, to highlight the heavy shade of the bright-coloured picture；
Wherein, S is the brightness of heavy shade, and W is the brightness of white, and the bright-coloured picture is bright picture.
In embodiments of the present invention, if the picture is bright-coloured picture, then it is described to control current brightness ratio S/W
The corresponding brightness ratio of bright-coloured picture, to highlight the heavy shade of the bright-coloured picture, solves existing RGBW panels and shows
When showing bright picture, the not good problem of display effect.It is the bright-coloured picture correspondence to control current brightness ratio S/W
Brightness ratio, with after the heavy shade for highlighting the bright-coloured picture, during the bright picture of RGBW Display panels, will not
There is the situation that saturation degree is substantially reduced, therefore improve display effect.
Brief description of the drawings
Fig. 1 is that image display method provided in an embodiment of the present invention realizes flow chart；
Fig. 2 is that image display method step S102 provided in an embodiment of the present invention realizes flow chart；
Fig. 3 be it is provided in an embodiment of the present invention heighten backlight realize flow chart；
Fig. 4 is the structured flowchart of image display apparatus provided in an embodiment of the present invention.
Specific embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
It should be appreciated that when using in this specification and in the appended claims, term " including " and "comprising" instruction
The presence of described feature, entirety, step, operation, element and/or component, but it is not precluded from one or more of the other feature, whole
The presence or addition of body, step, operation, element, component and/or its set.
It is also understood that the term used in this description of the invention is merely for the sake of the mesh for describing specific embodiment
And be not intended to limit the present invention.As used in description of the invention and appended claims, unless on
Other situations are hereafter clearly indicated, otherwise " one " of singulative, " one " and " being somebody's turn to do " is intended to include plural form.
It will be further appreciated that, the term "and/or" used in description of the invention and appended claims is
Refer to any combinations of one or more in the associated item listed and be possible to combination, and including these combinations.
As in this specification and in the appended claims as use, term " if " can be according to context quilt
Be construed to " when ... " or " once " or " in response to determining " or " in response to detecting ".Similarly, phrase " if determine " or
" if reading [described condition or event] " can be interpreted to mean according to context " once it is determined that " or " in response to true
It is fixed " or " once detecting [described condition or event] " or " in response to detecting [described condition or event] ".
Embodiment one
Fig. 1 is that image display method provided in an embodiment of the present invention realizes flow chart, and details are as follows：
In step S101, picture is obtained；
In step s 102, recognize whether the picture is bright-coloured picture；
In step s 103, if the picture is bright-coloured picture, then it is described bright-coloured to control current brightness ratio S/W
The corresponding brightness ratio of picture, to highlight the heavy shade of the bright-coloured picture；
Wherein, S is the brightness of heavy shade, and W is the brightness of white, and the bright-coloured picture is bright picture.
Wherein, by controlling the control parameter Wscale of W sub-pixel, and then the brightness ratio of S/W in RGBW panels is controlled.
Wherein, it is described by the control parameter Wscale for setting White sub-pixels if the picture is bright-coloured picture
The corresponding Wscale of bright-coloured picture, and then it is the corresponding brightness ratio of the bright-coloured picture to control in RGBW panels S/W.
Wherein, before step S103, the corresponding Wscale of bright-coloured picture is set.
Wherein, Wscale can not limited herein with sets itself or system default.
Preferably, the control parameter Wscale in W is less than 1/3, and imperceptible obvious saturation is contrasted with RGB three primary colours
Degree lowers, therefore two values of setting, and details are as follows：
For bright-coloured picture, W is opened part, sets the value that Wscale is as 1/3 or less than 1/3.
For non-bright-coloured picture, W is all turned on, and sets Wscale as 1.
In embodiments of the present invention, it is the corresponding ratio of the bright-coloured picture to control S/W, increases the brightness of heavy shade,
So that the luminance difference of heavy shade and white increases in bright-coloured picture, both color contrasts are enhanced, be highlighted bright-coloured
The heavy shade of picture so that the color of bright-coloured picture is more bright-coloured, therefore improves display effect.
Embodiment two
Fig. 2 is that image display method step S102 provided in an embodiment of the present invention realizes flow chart, and details are as follows：
In step S201, the bright-coloured picture classification device using training in advance differentiates to the picture, and exports differentiation
As a result；
In step S202, if the differentiation result bright-coloured picture classification of correspondence of output, then recognize that the picture is bright-coloured figure
Piece, if the differentiation result non-bright-coloured picture classification of correspondence of output, then recognize that the picture is non-bright-coloured picture；
Wherein, the bright-coloured picture classification device is two category classifiers, and a classification is bright-coloured picture classification, and another category is
Non- bright-coloured picture classification, the non-bright-coloured picture classification is the classification in addition to bright-coloured picture.
Wherein, using an equal resolution, the RGB three primary colours panel of identical backlight illumination and RGBW four primaries face
Plate, two width picture playings are while a pictures, the W opening degrees of RGBW four primary screens are standard-sized sheet, i.e. Wscale=1, detection
Whether the degree bright in luster of the picture of RGBW panels is lower than RGB three primary colours panels, is then, " bright-coloured " mark to be stamped to the picture
Sign, otherwise, " non-bright-coloured " label is stamped to the picture.
Wherein, bright-coloured and " non-bright-coloured " label picture sample is largely stamped in collection, is trained using these picture samples
One CNN (Convolutional Neural Network, convolutional neural networks) grader, the grader is two classifications
Grader, therefore output layer has 2 nodes.After training process terminates, the CNN graders for obtaining are bright-coloured picture classification
Device.
By bright-coloured picture classification device, differentiate whether a width picture is bright-coloured picture.
In the bright embodiment of this reality, picture is differentiated using bright-coloured picture classification device, so recognize picture whether be
Bright-coloured picture, recognition speed is fast and accuracy rate is high, improves the efficiency of bright-coloured picture recognition.
Embodiment three
What the embodiment of the present invention described to be embedded in bright-coloured picture classification device realizes flow, and details are as follows：
The picture is differentiated in the bright-coloured picture classification device using training in advance, and export differentiation result it
Before, the image display method also includes：
In a browser, the bright-coloured picture classification device of embedded training in advance.
Browser judges whether picture is picture bright in luster, if figure bright in luster by bright-coloured picture classification device
Piece, the then control parameter for setting W is 1/3, and it is 1 otherwise to set control parameter, that is, be all turned on.
In the bright embodiment of this reality, user compares concern image quality when browsing pictures, therefore in mobile phone or TV
In Photo Browser, an embedded bright-coloured picture classification device can meet the picture display demand of user.
Example IV
What the embodiment of the present invention described image display method step S103 realizes flow, and details are as follows：
If the picture is bright-coloured picture, then the brightness of current heavy shade is kept, reduce current white White sub-pixels
Brightness, it is the corresponding brightness ratio of the bright-coloured picture to control current brightness ratio S/W, to highlight the bright-coloured figure
The heavy shade of piece；
Or, if the picture is bright-coloured picture, then the brightness of current white White sub-pixels is kept, raise saturation
The brightness of color, it is the corresponding brightness ratio of the bright-coloured picture to control current brightness ratio S/W, described bright-coloured to highlight
The heavy shade of picture；
Or, if the picture is bright-coloured picture, then the brightness of current white White sub-pixels is reduced, while raising
The brightness of heavy shade, it is the corresponding brightness ratio of the bright-coloured picture to control current brightness ratio S/W, described to highlight
The heavy shade of bright-coloured picture.
Wherein, in the panel of RGBW, the brightness of current heavy shade is kept, by the control parameter for controlling W sub-pixel
Wscale, reduce current white White sub-pixels brightness, and then control S/W in RGBW panels ratio be the bright-coloured figure
The corresponding brightness ratio of piece.
Wherein, in the panel of RGBW, the brightness of current white White sub-pixels is kept, by controlling red R ed, green
The control parameter of any sub-pixel in color Green, blueness Blue sub-pixels, rises the brightness of high saturation color, and then control RGBW faces
The ratio of S/W is the corresponding brightness ratio of the bright-coloured picture in plate.
In the bright embodiment of this reality, S/W in RGBW panels is controlled by controlling the control parameter Wscale of W sub-pixel
Ratio, improve the display effect of bright-coloured picture.
Embodiment five
Fig. 3 be it is provided in an embodiment of the present invention heighten backlight realize flow chart, details are as follows：
In step S301, the light modulation coefficient of setting is obtained；
In step S302, using initial backlight brightness and the light modulation coefficient, backlight is heightened.
The reduction of W opening degrees, method of the design using backlight is increased, due to the opening degree reduction by 1/3 of W, causes whole
The reduction of body brightness, it is therefore necessary to improve backlight to increase picture brightness, backlight illumination is：
BLout=BLin*K.
Here BLin is initial backlight luminance factor, and BLout is adjustment back coefficient of brightness, and the value of K can basis
Subjective assessment sets, and can be set to 1.3, it is also possible to be set to other values, do not limit herein.
In the bright embodiment of this reality, by improving backlight, increase picture brightness, further improve the display effect of bright-coloured picture
Really.
Embodiment six
Fig. 4 is the structured flowchart of image display apparatus provided in an embodiment of the present invention, and the device can run on to be possessed
In the user equipment of RGBW panels.User equipment includes but is not limited to mobile phone, pocket computer (Pocket Personal
Computer, PPC), palm PC, computer, notebook computer, personal digital assistant (Personal Digital
Assistant, PDA), MP4, MP3.For purposes of illustration only, illustrate only part related to the present embodiment.For convenience of description,
Illustrate only part related to the present embodiment.
Reference picture 4, the image display apparatus, including：
Picture acquisition module 41, for obtaining picture；
Picture recognition module 42, for recognizing whether the picture is bright-coloured picture；
Ratio control module 43, if being bright-coloured picture for the picture, then it is institute to control current brightness ratio S/W
The corresponding brightness ratio of bright-coloured picture is stated, to highlight the heavy shade of the bright-coloured picture；
Wherein, S is the brightness of heavy shade, and W is the brightness of white, and the bright-coloured picture is bright picture.
As a kind of implementation of the present embodiment, in the image display apparatus, the picture recognition module, bag
Include：
Output unit, differentiates for the bright-coloured picture classification device using training in advance to the picture, and output is sentenced
Other result；
Picture recognition unit, if for the differentiation result bright-coloured picture classification of correspondence for exporting, then recognizing that the picture is
Bright-coloured picture, if the differentiation result non-bright-coloured picture classification of correspondence of output, then recognize that the picture is non-bright-coloured picture；
Wherein, the bright-coloured picture classification device is two category classifiers, and a classification is bright-coloured picture classification, and another category is
Non- bright-coloured picture classification, the non-bright-coloured picture classification is the classification in addition to bright-coloured picture.
As the present embodiment a kind of implementation described in image display apparatus, also include：
Module is embedded in, in a browser, being embedded in the bright-coloured picture classification device of training in advance.
Used as a kind of implementation of the present embodiment, in the image display apparatus, the Ratio control module is specific
For：
If the picture is bright-coloured picture, then the brightness of current heavy shade is kept, reduce current white White sub-pixels
Brightness, it is the corresponding brightness ratio of the bright-coloured picture to control current brightness ratio S/W, to highlight the bright-coloured figure
The heavy shade of piece；
Or, if the picture is bright-coloured picture, then the brightness of current white White sub-pixels is kept, raise saturation
The brightness of color, it is the corresponding brightness ratio of the bright-coloured picture to control current brightness ratio S/W, described bright-coloured to highlight
The heavy shade of picture；
Or, if the picture is bright-coloured picture, then the brightness of current white White sub-pixels is reduced, while raising
The brightness of heavy shade, it is the corresponding brightness ratio of the bright-coloured picture to control current brightness ratio S/W, described to highlight
The heavy shade of bright-coloured picture.
As the present embodiment a kind of implementation described in image display apparatus, also include：
Light modulation coefficient acquisition module, the light modulation coefficient for obtaining setting；
Backlight heightens module, for utilizing initial backlight brightness and the light modulation coefficient, heightens backlight.
Step in present invention method can according to actual needs carry out order adjustment, merge and delete.
Unit in embodiment of the present invention device and device can according to actual needs be merged, divides and deleted.
Device provided in an embodiment of the present invention can be applied in foregoing corresponding embodiment of the method, and details are referring to above-mentioned reality
The description of example is applied, be will not be repeated here.
Through the above description of the embodiments, it is apparent to those skilled in the art that the present invention can be borrowed
Software is helped to add the mode of required common hardware to realize.Described program can be stored in read/write memory medium, described
Storage medium, such as random access memory, flash memory, read-only storage, programmable read only memory, electrically erasable programmable storage
Device, register etc..The storage medium is located at memory, and processor reads the information in memory, this hair is performed with reference to its hardware
Method described in bright each embodiment.
The above, specific embodiment only of the invention, but protection scope of the present invention is not limited thereto, and it is any
Those familiar with the art the invention discloses technical scope in, the change or replacement that can be readily occurred in, all should
It is included within the scope of the present invention.Therefore, protection scope of the present invention should be defined by scope of the claims.
Claims (10)
1. a kind of image display method, it is characterised in that including：
Obtain picture；
Recognize whether the picture is bright-coloured picture；
If the picture is bright-coloured picture, then it is the corresponding brightness ratio of the bright-coloured picture to control current brightness ratio S/W
Value, to highlight the heavy shade of the bright-coloured picture；
Wherein, S is the brightness of heavy shade, and W is the brightness of white, and the bright-coloured picture is bright picture.
2. image display method as claimed in claim 1, it is characterised in that whether the identification picture is bright-coloured figure
Piece, specially：
Bright-coloured picture classification device using training in advance differentiates to the picture, and exports differentiation result；
If the differentiation result bright-coloured picture classification of correspondence of output, then recognize that the picture is bright-coloured picture, if what is exported sentences
The non-bright-coloured picture classification of other result correspondence, then recognize that the picture is non-bright-coloured picture；
Wherein, the bright-coloured picture classification device is two category classifiers, and a classification is bright-coloured picture classification, and another category is non-fresh
Gorgeous picture classification, the non-bright-coloured picture classification is the classification in addition to bright-coloured picture.
3. image display method as claimed in claim 2, it is characterised in that in the bright-coloured picture point of the utilization training in advance
Class device differentiates to the picture, and exports before differentiating result, and the image display method also includes：
In a browser, the bright-coloured picture classification device of embedded training in advance.
4. image display method as claimed in claim 1, it is characterised in that if the picture is bright-coloured picture, then control
Current brightness ratio S/W is the corresponding brightness ratio of the bright-coloured picture, to highlight the heavy shade of the bright-coloured picture,
Specially：
If the picture is bright-coloured picture, then the brightness of current heavy shade is kept, reduce the bright of current white White sub-pixels
Degree, it is the corresponding brightness ratio of the bright-coloured picture to control current brightness ratio S/W, to highlight the bright-coloured picture
Heavy shade；
Or, if the picture is bright-coloured picture, then the brightness of current white White sub-pixels is kept, rise high saturation color
Brightness, it is the corresponding brightness ratio of the bright-coloured picture to control current brightness ratio S/W, to highlight the bright-coloured picture
Heavy shade；
Or, if the picture is bright-coloured picture, then the brightness of current white White sub-pixels is reduced, while raising saturation
The brightness of color, it is the corresponding brightness ratio of the bright-coloured picture to control current brightness ratio S/W, described bright-coloured to highlight
The heavy shade of picture.
5. the image display method as described in Claims 1-4 is any, it is characterised in that if being fresh in the picture
Gorgeous picture, then it is the corresponding brightness ratio of the bright-coloured picture to control current brightness ratio S/W, described bright-coloured to highlight
After the heavy shade of picture, the image display method also includes：
Obtain the light modulation coefficient of setting；
Using initial backlight brightness and the light modulation coefficient, backlight is heightened.
6. a kind of image display apparatus, it is characterised in that including：
Picture acquisition module, for obtaining picture；
Picture recognition module, for recognizing whether the picture is bright-coloured picture；
Ratio control module, if being bright-coloured picture for the picture, then it is described bright-coloured to control current brightness ratio S/W
The corresponding brightness ratio of picture, to highlight the heavy shade of the bright-coloured picture；
Wherein, S is the brightness of heavy shade, and W is the brightness of white, and the bright-coloured picture is bright picture.
7. image display apparatus as claimed in claim 6, it is characterised in that the picture recognition module, including：
Output unit, differentiates for the bright-coloured picture classification device using training in advance to the picture, and exports differentiation knot
Really；
Picture recognition unit, if for the differentiation result bright-coloured picture classification of correspondence for exporting, then recognizing that the picture is bright-coloured
Picture, if the differentiation result non-bright-coloured picture classification of correspondence of output, then recognize that the picture is non-bright-coloured picture；
Wherein, the bright-coloured picture classification device is two category classifiers, and a classification is bright-coloured picture classification, and another category is non-fresh
Gorgeous picture classification, the non-bright-coloured picture classification is the classification in addition to bright-coloured picture.
8. image display apparatus as claimed in claim 7, it is characterised in that the image display apparatus, also include：
Module is embedded in, in a browser, being embedded in the bright-coloured picture classification device of training in advance.
9. image display apparatus as claimed in claim 6, it is characterised in that the Ratio control module specifically for：
If the picture is bright-coloured picture, then the brightness of current heavy shade is kept, reduce the bright of current white White sub-pixels
Degree, it is the corresponding brightness ratio of the bright-coloured picture to control current brightness ratio S/W, to highlight the bright-coloured picture
Heavy shade；
Or, if the picture is bright-coloured picture, then the brightness of current white White sub-pixels is kept, rise high saturation color
Brightness, it is the corresponding brightness ratio of the bright-coloured picture to control current brightness ratio S/W, to highlight the bright-coloured picture
Heavy shade；
Or, if the picture is bright-coloured picture, then the brightness of current white White sub-pixels is reduced, while raising saturation
The brightness of color, it is the corresponding brightness ratio of the bright-coloured picture to control current brightness ratio S/W, described bright-coloured to highlight
The heavy shade of picture.
10. image display apparatus as described in claim 6 to 9 is any, it is characterised in that also include：
Light modulation coefficient acquisition module, the light modulation coefficient for obtaining setting；
Backlight heightens module, for utilizing initial backlight brightness and the light modulation coefficient, heightens backlight.
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