CN103745687A - Image display method and image display device - Google Patents
Image display method and image display device Download PDFInfo
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- CN103745687A CN103745687A CN201310648948.3A CN201310648948A CN103745687A CN 103745687 A CN103745687 A CN 103745687A CN 201310648948 A CN201310648948 A CN 201310648948A CN 103745687 A CN103745687 A CN 103745687A
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Abstract
The invention relates to an image display method and device. For example, the image display device comprises a display screen, a video data receiving module and a local brightness adjustment module. The video data receiving module is used to receive video data. The local brightness adjustment module is used to change the brightness of video data in the video data corresponding to partial pixels of the display screen without changing the brightness of video data in the video data corresponding to other pixels of the display screen. According to the invention, brightness levels are formed by performing brightness adjustment on the received video data, so irregular patterns can be displayed on the display screen to realize the special-shaped screen display effect and/or company Logo and any pattern highlight display, and advantages, such as simplicity, low cost, etc., can be realized.
Description
Technical field
The present invention relates to display technique field, particularly a kind of method for displaying image and a kind of image display device.
Background technology
In existing LED display system, LED display is a regular rectangular display screen normally, for example, if user wishes that display screen shows image with an irregular shape, exists following situation:
(1) user has the LED display of a rectangle, but user only thinks LED display, according to apple shape pattern, removes to show image, only in apple shape image, shows image.Will reach such effect at present, user can, by the mode of pasting black belt, stick black tape unwanted part, but can expend very large manpower and materials like this.Can also be spliced into the lamp plate of given shape an erose LED display at present, but so more waste time and energy.
(2) user has the LED display of a rectangle, when showing piece image, user wishes that the centre of LED display removes to show the image of 100% original brightness with apple shape pattern, other regions show image with 50% of original brightness, when playing this width image, can significantly see apple shape pattern, the inside and outside brightness of apple shape pattern is different, thereby form different stereovision, to give prominence to apple shape pattern.It is very difficult will reaching at present such effect, and perhaps user can stick translucent adhesive tape and realizes, but can expend a large amount of manpower and materials equally.
Summary of the invention
Therefore,, for the deficiencies in the prior art and demand, the present invention proposes a kind of method for displaying image and a kind of image display device.
Particularly, a kind of method for displaying image that the embodiment of the present invention proposes, comprises step: obtain the brightness adjustment factor; Receiving video data; And utilize the described brightness adjustment factor to change in described video data the brightness of the video data of each pixel outside specific region in corresponding display screen and/or specific region, so that form luminance level between the part outside the part of described specific region and described specific region.
In one embodiment of the invention, the above-mentioned step of the brightness adjustment factor that provides comprises: provide one to have the picture of same pixel resolution sizes with described display screen, in the corresponding described display screen of described picture, each pixel of the part of specific region has the first brightness value, each pixel of part in the corresponding described display screen of described picture outside specific region has the second brightness value, and described the first brightness value is different from the second brightness value; And analyze described picture and obtain described the first brightness value and the second brightness value and be normalized and obtain the described brightness adjustment factor.
In one embodiment of the invention, in the corresponding described display screen of above-mentioned picture, the part of specific region is high gray list color, and the part in the described display screen of described picture correspondence outside specific region is minimum gray scale list color.For example, described high gray list color is primary colours, and described minimum gray scale list color is black.
In one embodiment of the invention, in the corresponding described display screen of above-mentioned picture, in the part of specific region and the corresponding display screen of described picture, the part outside specific region is identical color, but in the corresponding described display screen of described picture, the part of specific region is high gray.
In one embodiment of the invention, the above-mentioned step of the brightness of the video data that the described brightness adjustment factor changes in described video data each pixel outside specific region in corresponding display screen and/or specific region of utilizing comprises: utilize the described brightness adjustment factor to reduce the brightness of the video data of each pixel of specific region in corresponding display screen in described video data, but do not change the brightness of the video data of each pixel outside specific region in corresponding display screen in described video data; Or utilize the described brightness adjustment factor to reduce the brightness of the video data of each pixel outside specific region in corresponding display screen in described video data, but do not change the brightness of the video data of each pixel of specific region in corresponding display screen in described video data.
In one embodiment of the invention, the above-mentioned step of the brightness of the video data that the described brightness adjustment factor changes in described video data each pixel outside specific region in corresponding display screen and/or specific region of utilizing comprises: each primary color component in the video data of corresponding same pixel adopts the brightness adjustment factor of formed objects to change brightness.
In one embodiment of the invention, the above-mentioned step of the brightness of the video data that the brightness adjustment factor changes in described video data each pixel outside specific region in corresponding display screen and/or specific region of utilizing comprises: utilize the brightness adjustment factor of formed objects to change the brightness of the video data of each pixel of specific region in corresponding display screen in described video data; Or the brightness adjustment factor of utilizing formed objects changes the brightness of the video data of each pixel outside specific region in corresponding display screen in described video data.
In addition, a kind of image display device that the embodiment of the present invention proposes, comprising: display screen, video data receiver module and local luminance adjusting module.Wherein, video data receiver module is for receiving video data.Local luminance adjusting module for change the corresponding described display screen of described video data partial pixel point video data brightness and do not change the brightness of the video data of other pixels of corresponding described display screen in described video data.
In one embodiment of the invention, above-mentioned local luminance adjusting module is to utilize the brightness adjustment factor of formed objects to change the brightness of the video data of corresponding described partial pixel point.
In addition, a kind of image display device that another embodiment of the present invention proposes, comprising: display screen, video data receiver module and brightness adjustment module.Wherein, video data receiver module is for receiving video data.Brightness adjustment module is for determine the brightness of video data of first's pixel of the corresponding described display screen of described video data according to the one first brightness adjustment factor, and the brightness of video data of determining the second portion pixel of corresponding described display screen in described video data according to the one second brightness adjustment factor; Wherein the first brightness adjustment factor and the second brightness adjustment factor vary in size and its span is and is more than or equal to 0 and be less than or equal to 1.
As from the foregoing, the embodiment of the present invention forms luminance level by the video data receiving is carried out to brightness adjustment, therefore can on display screen, realize the demonstration of irregular pattern, reach display effect and/or the highlighted demonstration Logo of company and the arbitrary graphic pattern of abnormity screen, there is the advantages such as simple, cost is low.
By the detailed description below with reference to accompanying drawing, it is obvious that other side of the present invention and feature become.But it should be known that the only object design for explaining of this accompanying drawing, rather than as the restriction of scope of the present invention, this is because it should be with reference to additional claim.Should also be appreciated that, unless otherwise noted, the unnecessary accompanying drawing of drawing to scale, they only try hard to illustrate conceptually structure described herein and flow process.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail.
Fig. 1 is a kind of image display effect figure of the method for displaying image of first embodiment of the invention.
Fig. 2 is a kind of image display effect figure of the method for displaying image of second embodiment of the invention.
Fig. 3 is the structural representation of the image display device of the embodiment of the present invention.
Embodiment
For above-mentioned purpose of the present invention, feature and advantage can be become apparent more, below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail.
[the first embodiment]
User has the display screen of a regular shape, and for example the LED display of rectangle, removes to show image but user only thinks display screen according to the appearance of apple shape pattern, only in apple shape pattern, shows image, and other parts of display screen are black; Its implementation can be:
First, provide brightness adjustment factor generation picture.For example, can use the drawing instrument such as Photoshop to draw one and there is the picture of same pixel resolution sizes with display screen, the background of drawing black on picture, and then with a red apple shape pattern of color drafting of RGB (255,0,0); Also can in Excel form, manually input the brightness adjustment factor, at the region of apple shape pattern input RGB (255,0,0), outside region, input RGB (0,0,0), thereby form this brightness adjustment factor generation and send to hardware with form, herein only for illustrating, as long as can realize, generate the brightness adjustment factor.
Then, user is written into the brightness adjustment factor by software and generates with picture (or Excel form), software sends this picture (or Excel form) to be connected with LED display sending card, sending card analyze the red component in this picture (or Excel form) and be normalized after draw the brightness adjustment factor, and the brightness adjustment factor is stored.Here the background due to this picture is black, so except red apple shape area of the pattern, the brightness adjustment factor in other regions is all 0, and the brightness adjustment factor of red apple shape area of the pattern is 1.
Afterwards, sending card receives after the video data from video source, the brightness adjustment factor of storage is applied in and on the video data receiving, obtains the video data after brightness adjustment, the image that display screen is shown is subject to the impact of the brightness adjustment factor, thereby formed and the similar shape video source of apple shape pattern, be characterized in that position corresponding to apple shape pattern normally shows, and the lamp of all the other positions of display screen does not work, its display effect as shown in Figure 1.
Alternatively, for example, can use the drawing instrument such as Photoshop to draw one and there is the picture of same pixel resolution sizes with display screen, on picture, adopt RGB (255,0,0) color is drawn a red background, and then with RGB (0,0,0) color is drawn an apple shape pattern.So just can realize and the complementary effect shown in Fig. 1, the lamp of the position that apple shape pattern is corresponding does not work, and all the other positions of display screen normally show.
[the second embodiment]
User has the display screen of a regular shape, the LED display of rectangle for example, when showing piece image, user wishes that the roughly centre position of display screen removes to show the image of 100% original brightness with the appearance of apple shape pattern, and other regions show this width image with 50% of original brightness, when playing this width image, can significantly see apple shape pattern, the inside and outside brightness of apple shape pattern is different, thereby forms luminance level sense, to give prominence to apple shape pattern; Its implementation can be:
First, provide brightness adjustment factor generation picture.For example, use the drawing instruments such as Photoshop to draw one and there is the picture of same pixel resolution sizes with display screen, this picture is with RGB (128,0,0) color rendering context, then at this picture, roughly with the color of RGB (255,0,0), draw apple shape pattern in centre position.Be understandable that, the color of each pixel of this picture also can adopt the Excel form of mentioning in aforementioned the first embodiment to express.
Then, user is written into this brightness adjustment factor generation picture by software, software sends this picture to the sending card being connected with LED display, sending card analyze the red component of this picture and be normalized after draw the brightness adjustment factor, and the brightness adjustment factor is stored.Here because picture is with RGB(128,0,0) color is background, so the brightness adjustment factor of background area is 0.5, and roughly the brightness adjustment factor of the mcintosh shape area of the pattern in centre position is 1.
Afterwards, sending card receives after the video data from video source, the brightness adjustment factor of storage is applied in to the video data that receives to obtain the video data after brightness adjustment, the image that display screen is shown is subject to the impact of the brightness adjustment factor, thereby formed the shape video source of the brighter demonstration of apple shape pattern correspondence position, and the brightness of all the other positions of display screen is darker, its display effect as shown in Figure 2.
Alternatively, also can be by picture the color rendering context with RGB (255,0,0), then at this picture, roughly with the color of RGB (128,0,0), draw apple shape pattern in centre position, other operations are similar to the above, repeat no more herein.Like this, just can realize and the opposite effect shown in Fig. 2.
In above-mentioned two embodiment, the brightness adjustment factor generates with being not limited to adopt red component in picture, also can adopt other primary color components, for example green component or blue component etc.In addition, obtaining of the brightness adjustment factor is also not limited to utilize the generation of the brightness adjustment factor to realize with picture or Excel form, also can directly by the form of question blank, realize, a brightness adjustment factor of each pixel of also giving display screen, the span of this brightness adjustment factor is 0～1.
In addition, from above-described embodiment, can draw, one of invention thought of the present invention is: utilize the brightness adjustment factor to change the brightness of the video data of the partial pixel point of corresponding display screen in video data, and do not change the brightness of the video data of other pixels of corresponding display screen in video data, thereby form luminance level.Described partial pixel is wherein selected apple shape pattern or other arbitrary shape patterns that for example forms above-described embodiment.Certainly, also can change the brightness of the video data of each pixel of corresponding display screen in video data, as long as can make the picture that display screen shows according to the video data changing after brightness form luminance level.In addition, will also be appreciated that for the pixel that does not change brightness, it is 1 the brightness adjustment factor that value can be provided, and also can not provide the brightness adjustment factor.
Refer to Fig. 3, a kind of structural representation of its image display device that is the embodiment of the present invention.As shown in Figure 3, image display device 10 comprises: video data receiver module 11, local luminance adjusting module 13 and display screen 15.Wherein, video data receiver module 11 is for receiving video data; Local luminance adjusting module 13 for change the corresponding display screen 15 of the video data receiving partial pixel point video data brightness and do not change the brightness of the video data of other pixels of corresponding display screen in the video data receiving, thereby the video data after output brightness adjustment shows for display screen 15.When the image display device 10 of the embodiment of the present invention is applied to LED display system, for example be applied to LED display synchro system, local luminance adjusting module 13 can be arranged on the functional module in sending card in LED display synchro system, can be arranged on the functional module on receiving card, also can be arranged on the functional module of playing on computing machine.Similarly, when being applied to LED display asynchronous system, local luminance adjusting module 13 can be arranged on the functional module in Asynchronism Card in LED display asynchronous system, also can be arranged on the functional module on receiving card.
In addition, in the image display device 10 of the embodiment of the present invention, local luminance adjusting module 13 is for example to utilize the brightness adjustment factor of formed objects to change the brightness of the video data of partial pixel point described in corresponding display screen 15, also adopts and is less than the brightness that 1 the brightness adjustment factor changes the video data of partial pixel point described in corresponding display screen 15; More specifically, corresponding to each primary color component in the video data of same pixel, adopt typically the brightness adjustment factor of formed objects to change brightness, for example, adopt the same brightness adjustment factor to change brightness.Be understandable that, when the brightness adjustment factor is 1, the brightness preservation of the corresponding corresponding video data of pixel is constant.In addition, image display device 10 also can be replaced local luminance adjusting module 13 to become other brightness adjustment modules, for example it not only can have the function of local luminance adjusting module 13, can also adjust the brightness of the video data of all pixels in corresponding display screen 15, specifically can be the brightness of video data of adjusting respectively the pixel of corresponding display screen different piece by two different brightness adjustment factors, thereby make to form luminance level between these two parts.
In sum, the above embodiment of the present invention forms luminance level sense by the video data receiving is carried out to brightness adjustment, therefore can on display screen, realize the demonstration of irregular pattern, reach display effect and/or the highlighted demonstration Logo of company and the arbitrary graphic pattern of abnormity screen, there is the advantages such as simple, cost is low.
In addition, be understandable that, the method for displaying image in the above embodiment of the present invention and device, be not limited to be applied in LED display system, can be to be also applied to other display screen systems, for example liquid crystal display screen system.
Applied specific case herein the principle of method for displaying image of the present invention and image display device and embodiment are set forth, the explanation of above embodiment is just for helping to understand method of the present invention and core concept thereof; Meanwhile, for one of ordinary skill in the art, according to thought of the present invention; all will change in specific embodiments and applications; in sum, this description should not be construed as limitation of the present invention, and protection scope of the present invention should be as the criterion with appended claim.
Claims (10)
1. a method for displaying image, is characterized in that, comprises step:
Obtain the brightness adjustment factor;
Receiving video data; And
Utilize the described brightness adjustment factor to change in described video data the brightness of the video data of each pixel outside specific region in corresponding display screen and/or specific region, so that form luminance level between the part outside the part of described specific region and described specific region.
2. method for displaying image as claimed in claim 1, is characterized in that, the step of obtaining the brightness adjustment factor comprises:
Provide one to there is the picture of same pixel resolution sizes with described display screen, in the corresponding described display screen of described picture, each pixel of the part of specific region has the first brightness value, each pixel of part in the corresponding described display screen of described picture outside specific region has the second brightness value, and described the first brightness value is different from described the second brightness value; And
Analyzing described picture obtains described the first brightness value and the second brightness value and is normalized and obtain the described brightness adjustment factor.
3. method for displaying image as claimed in claim 2, is characterized in that, in the corresponding described display screen of described picture, the part of specific region is high gray list color, and the part in the described display screen of described picture correspondence outside specific region is minimum gray scale list color.
4. method for displaying image as claimed in claim 2, it is characterized in that, in the corresponding described display screen of described picture, in the part of specific region and the corresponding described display screen of described picture, the part outside specific region is identical single color, but in the corresponding described display screen of described picture, the part of specific region is high gray.
5. method for displaying image as claimed in claim 1, is characterized in that, the step of brightness of utilizing the described brightness adjustment factor to change in described video data the video data of each pixel outside specific region in corresponding display screen and/or specific region comprises:
Utilize the described brightness adjustment factor to reduce the brightness of the video data of each pixel of specific region in corresponding display screen in described video data, but do not change the brightness of the video data of each pixel outside specific region in corresponding display screen in described video data; Or
Utilize the described brightness adjustment factor to reduce the brightness of the video data of each pixel outside specific region in corresponding display screen in described video data, but do not change the brightness of the video data of each pixel of specific region in corresponding display screen in described video data.
6. method for displaying image as claimed in claim 1, is characterized in that, the step of brightness of utilizing the described brightness adjustment factor to change in described video data the video data of each pixel outside specific region in corresponding display screen and/or specific region comprises:
Each primary color component in the video data of corresponding same pixel adopts the brightness adjustment factor of formed objects to change brightness.
7. method for displaying image as claimed in claim 1, is characterized in that, the step of brightness of utilizing the described brightness adjustment factor to change in described video data the video data of each pixel outside specific region in corresponding display screen and/or specific region comprises:
Utilize the brightness adjustment factor of formed objects to change the brightness of the video data of each pixel of specific region in corresponding display screen in described video data; Or
Utilize the brightness adjustment factor of formed objects to change the brightness of the video data of each pixel outside specific region in corresponding display screen in described video data.
8. an image display device, is characterized in that, comprising:
Display screen;
Video data receiver module, for receiving video data; And
Local luminance adjusting module, for change the corresponding described display screen of described video data partial pixel point video data brightness and do not change the brightness of the video data of other pixels of corresponding described display screen in described video data.
9. image display device as claimed in claim 8, is characterized in that, described local luminance adjusting module is to utilize the brightness adjustment factor of formed objects to change the brightness of the video data of corresponding described partial pixel point.
10. an image display device, is characterized in that, comprising:
Display screen;
Video data receiver module, for receiving video data; And
Brightness adjustment module, for determine the brightness of video data of first's pixel of the corresponding described display screen of described video data according to the one first brightness adjustment factor, and the brightness of video data of determining the second portion pixel of corresponding described display screen in described video data according to the one second brightness adjustment factor; Wherein the first brightness adjustment factor and the second brightness adjustment factor vary in size and its span is and is more than or equal to 0 and be less than or equal to 1.
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