CN103795896A - Display equipment ambient light control system - Google Patents
Display equipment ambient light control system Download PDFInfo
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- CN103795896A CN103795896A CN201410063974.4A CN201410063974A CN103795896A CN 103795896 A CN103795896 A CN 103795896A CN 201410063974 A CN201410063974 A CN 201410063974A CN 103795896 A CN103795896 A CN 103795896A
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Abstract
The invention discloses a display equipment ambient light control system. The display equipment ambient light control system comprises an SOC video processing unit, an ambient light control and processing unit, a frame buffer unit and an LED lamp driving unit. According to the display equipment ambient light control system, the edge of an image is analyzed through the ambient light control and processing unit to enable image edge characteristics to be obtained, when the image is provided with an invalid image area, an image statistical area is adjusted if a pure-color frame exists, then the influence of the image edge on the ambient light display effect is eliminated, and the ambient light display effect is improved. By the adoption of the control system, the ambient light experience of users is better.
Description
Technical field
The present invention relates to a kind of display device surround lighting control system.
Background technology
Television environment optical illumination has good effect, the brilliant function of Ambilight that for example Philips releases for strengthening user's viewing experience.Surround lighting control system, by detection display image content, calculates picture feature and shows to control light, light and image content synchronous coordination is shown, to strengthen spectators' the atmosphere of watching.
Existing display device surround lighting control system is by the color information of statistics picture fringe region, then applying certain algorithm, to drive lamp bar to carry out luminous accordingly, makes light and the demonstration of image content synchronous coordination.Because this kind of processing mode adopts fixed area statistics color information, do not consider the special sight at picture edge, fail to process well the picture of particular edge.Therefore,, in watching as video, film or the specific background situation of edge with dark border, can greatly reduce surround lighting atmosphere effect.
Fig. 1 is the surround lighting characteristic statistics exemplary plot under regular situation, shown in square frame be picture characteristic statistics region.By statistics picture fringe region, to obtain picture feature, and then the light display that controls environment shows, makes surround lighting and picture carry out simultaneous display.This statistical, does not consider the factor at specific picture edge, thereby under some special scenes, fails the light display effect that controls environment well.As Fig. 2 and Fig. 3 are the have particular edge picture of (invalid picture area), there is ater frame region, in this case, adopt existing picture statistical, surround lighting display effect can be subject to the impact at edge, and display effect can reduce greatly.
Summary of the invention
For overcoming the deficiencies in the prior art, the object of this invention is to provide one can analyze picture edge, improves the display device surround lighting control system of ambient light effects by adjusting picture statistical regions.
For achieving the above object, the present invention is by the following technical solutions:
A kind of display device surround lighting control system, at least one side of described display device display screen frame is provided with LED lamp bar, LED lamp bar is luminous by this control system control, described control system comprises SOC video processing unit, surround lighting controlled processing unit, frame buffer unit and LED lamp driver element, wherein
SOC video processing unit: receive the vision signal that display device shows, and be sent to surround lighting controlled processing unit after vision signal is processed;
Surround lighting controlled processing unit: the vision signal of reception is stored to frame buffer unit, then transfer the picture of storing in frame buffer unit, set N at least one lateral edges of picture and be the picture statistical regions that row distributes, be positioned at the picture statistical regions of picture the same side in order to control the color of sending with its same side LED lamp bar, wherein N≤1, and N is integer; Then surround lighting controlled processing unit is analyzed picture edge, whether has invalid picture area with the picture edge of determining picture statistical regions place side,
If the invalid picture area of picture marginal existence of picture statistical regions place side, picture statistical regions is moved in picture, until picture statistical regions shifts out invalid picture area completely, the color feature value that now surround lighting controlled processing unit extracts each picture statistical regions is to form surround lighting demonstration information, and surround lighting demonstration information is sent to LED lamp driver element, luminous to control LED lamp bar, while surround lighting controlled processing unit is sent to display screen by described picture and plays;
If there is not invalid picture area in the picture edge of picture statistical regions place side, the color feature value that surround lighting controlled processing unit directly extracts each picture statistical regions shows information to form surround lighting, and surround lighting demonstration information is sent to LED lamp driver element, luminous to control LED lamp bar, while surround lighting controlled processing unit is sent to display screen by described picture and plays;
Frame buffer unit: the picture of stored video signal is for subsequent treatment;
LED lamp driver element: the surround lighting that reception environment photocontrol processing unit sends shows information, and driving LED lamp bar is luminous.
Described invalid picture area is pure color frame region.
Described vision signal is 2D or 3D vision signal.
The present invention adopts above technical scheme, by surround lighting controlled processing unit, picture edge is analyzed, to obtain picture edge feature, picture is in the time having invalid picture area, as there is pure color frame, picture statistical regions is adjusted, thereby removed the impact of picture edge on surround lighting display effect, improve surround lighting display effect.Adopt control system of the present invention, user can have better surround lighting and experience.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the present invention is further detailed explanation:
Fig. 1 is existing surround lighting characteristic statistics exemplary plot;
Fig. 2 is the exemplary plot with particular edge picture;
Fig. 3 is the exemplary plot that another kind has particular edge picture;
Fig. 4 is system architecture diagram of the present invention;
Fig. 5 is the surround lighting characteristic statistics exemplary plot adopting under control system of the present invention.
Embodiment
A kind of display device surround lighting of the present invention control system, at least one side of described display device display screen frame is provided with LED lamp bar, LED lamp bar is luminous by this control system control, as shown in Figure 4, described control system comprises SOC video processing unit, surround lighting controlled processing unit, frame buffer unit and LED lamp driver element, wherein
SOC video processing unit: receive the vision signal that display device shows, and be sent to surround lighting controlled processing unit after will vision signal processing, shown in vision signal be 2D or 3D vision signal;
Surround lighting controlled processing unit: the vision signal of reception is stored to frame buffer unit, then transfer the picture of storing in frame buffer unit, set N at least one lateral edges of picture and be the picture statistical regions that row distributes, be positioned at the picture statistical regions of picture the same side in order to control the color of sending with its same side LED lamp bar, wherein N≤1, and N is integer; Then surround lighting controlled processing unit is analyzed picture edge, whether has invalid picture area with the picture edge of determining picture statistical regions place side, and invalid picture area can be pure color frame region,
If the invalid picture area of picture marginal existence of picture statistical regions place side, picture statistical regions is moved in picture, until picture statistical regions shifts out invalid picture area completely, now surround lighting controlled processing unit extracts the color feature value of each picture statistical regions (color feature value of picture statistical regions is generally got the average RGB value of this picture statistical regions, ) show information to form surround lighting, and surround lighting demonstration information is sent to LED lamp driver element, luminous to control LED lamp bar, while surround lighting controlled processing unit is sent to display screen by described picture and plays, concrete, as shown in Figure 5, the LED lamp bar of the upper and lower both sides of corresponding display screen, surround lighting controlled processing unit has been set respectively multiple picture statistical regions at two edges up and down of picture, then surround lighting controlled processing unit is analyzed picture edge, two edges up and down of determining picture statistical regions place picture have respectively invalid picture area, invalid picture area in this example is ater frame region, then picture statistical regions is moved in picture, until picture statistical regions just shifts out ater frame region completely, thereby complete the automatic adjustment to picture statistical regions.Be stressed that at this, invalid picture area is not only confined to pure color frame region, also can for some have adulterated, other are variegated but close to the frame region of pure color; In addition, invalid picture area can be also TV station's icon or other logo image.
If there is not invalid picture area in the picture edge of picture statistical regions place side, the color feature value that surround lighting controlled processing unit directly extracts each picture statistical regions shows information to form surround lighting, and surround lighting demonstration information is sent to LED lamp driver element, luminous to control LED lamp bar, while surround lighting controlled processing unit is sent to display screen by described picture and plays;
Frame buffer unit: the picture of stored video signal is for subsequent treatment;
LED lamp driver element: the surround lighting that reception environment photocontrol processing unit sends shows information, and driving LED lamp bar is luminous.
Claims (3)
1. a display device surround lighting control system, at least one side of described display device display screen frame is provided with LED lamp bar, LED lamp bar is luminous by this control system control, it is characterized in that: described control system comprises SOC video processing unit, surround lighting controlled processing unit, frame buffer unit and LED lamp driver element, wherein
SOC video processing unit: receive the vision signal that display device shows, and be sent to surround lighting controlled processing unit after vision signal is processed;
Surround lighting controlled processing unit: the vision signal of reception is stored to frame buffer unit, then transfer the picture of storing in frame buffer unit, set N at least one lateral edges of picture and be the picture statistical regions that row distributes, be positioned at the picture statistical regions of picture the same side in order to control the color of sending with its same side LED lamp bar, wherein N≤1, and N is integer; Then surround lighting controlled processing unit is analyzed picture edge, whether has invalid picture area with the picture edge of determining picture statistical regions place side,
If the invalid picture area of picture marginal existence of picture statistical regions place side, picture statistical regions is moved in picture, until picture statistical regions shifts out invalid picture area completely, the color feature value that now surround lighting controlled processing unit extracts each picture statistical regions is to form surround lighting demonstration information, and surround lighting demonstration information is sent to LED lamp driver element, luminous to control LED lamp bar, while surround lighting controlled processing unit is sent to display screen by described picture and plays;
If there is not invalid picture area in the picture edge of picture statistical regions place side, the color feature value that surround lighting controlled processing unit directly extracts each picture statistical regions shows information to form surround lighting, and surround lighting demonstration information is sent to LED lamp driver element, luminous to control LED lamp bar, while surround lighting controlled processing unit is sent to display screen by described picture and plays;
Frame buffer unit: the picture of stored video signal is for subsequent treatment;
LED lamp driver element: the surround lighting that reception environment photocontrol processing unit sends shows information, and driving LED lamp bar is luminous.
2. a kind of display device surround lighting control system according to claim 1, is characterized in that: described invalid picture area is pure color frame region.
3. a kind of display device surround lighting control system according to claim 1, is characterized in that: described vision signal is 2D or 3D vision signal.
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| CN201410063974.4A CN103795896B (en) | 2014-02-25 | 2014-02-25 | A kind of display device ambient light control system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107517510A (en) * | 2016-06-16 | 2017-12-26 | 深圳市思考力科技有限公司 | A kind of screen display method, device and system |
| US11184581B2 (en) | 2016-11-30 | 2021-11-23 | Interdigital Madison Patent Holdings, Sas | Method and apparatus for creating, distributing and dynamically reproducing room illumination effects |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007026283A2 (en) * | 2005-08-31 | 2007-03-08 | Koninklijke Philips Electronics, N.V. | Ambient lighting derived from video content using adaptive extraction regions |
| WO2008068718A2 (en) * | 2006-12-07 | 2008-06-12 | Koninklijke Philips Electronics N.V. | An ambient lighting system for a display device |
| WO2008068698A1 (en) * | 2006-12-08 | 2008-06-12 | Koninklijke Philips Electronics N.V. | Ambient lighting |
| RU2012129964A (en) * | 2009-12-15 | 2014-01-27 | ТиПи ВИЖН ХОЛДИНГ Б.В. | DYNAMIC AMBIENT LIGHTING SYSTEM |
| JP2013514620A (en) * | 2009-12-18 | 2013-04-25 | ティーピー ビジョン ホールディング ビー ヴィ | Ambience lighting system using global content characteristics |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107517510A (en) * | 2016-06-16 | 2017-12-26 | 深圳市思考力科技有限公司 | A kind of screen display method, device and system |
| CN107517510B (en) * | 2016-06-16 | 2020-03-17 | 深圳市思考力科技有限公司 | Screen display method, device and system |
| US11184581B2 (en) | 2016-11-30 | 2021-11-23 | Interdigital Madison Patent Holdings, Sas | Method and apparatus for creating, distributing and dynamically reproducing room illumination effects |
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