CN103531174A - Brightness adjusting device and method - Google Patents
Brightness adjusting device and method Download PDFInfo
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- CN103531174A CN103531174A CN201310522117.1A CN201310522117A CN103531174A CN 103531174 A CN103531174 A CN 103531174A CN 201310522117 A CN201310522117 A CN 201310522117A CN 103531174 A CN103531174 A CN 103531174A
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Abstract
An embodiment of the invention provides a brightness adjusting device and method, relates to the technical field of display, and solves the problem of adverse effects on visual effects of pictures viewed by human eyes and human eye health due to fixed display brightness of a displayer. According to the embodiment, the brightness adjusting device comprises a signal acquisition unit, a data extraction unit, a data judging unit and an adjusting unit, wherein the signal acquisition unit is used for acquiring an ambient light brightness value and a picture displayed by the displayer, the data extraction unit is used for extracting a picture brightness value from the picture displayed by the displayer, the data judging unit is used for searching a corresponding to-be-displayed brightness value from a preset brightness database according to the ambient light brightness value and the picture brightness value, and the adjusting unit is used for adjusting the brightness of the displayer according to the to-be-displayed brightness value. The brightness adjusting device and method are mainly applied to occasions where the displayers are required, such as official business handling, entertainment, communication and the like.
Description
Technical field
The present invention relates to display technique, relate in particular to brightness adjusting device and method.
Background technology
Along with the maturation of the display techniques such as computer, mobile phone is with universal, particularly in routine office work to the increasing gradually according to patience of computer, thing followed problem is that display becomes clear day by day to the infringement of people's eyes.Especially when surrounding environment light intensity changes, and display brightness is when constant, and human eye can not feel quite oneself; In addition, when people for a long time also can visual fatigue facing to the display of same brightness, very unfavorable to the health of eyes.
Existing display is when showing, general is all to adopt unified backlight, can not analyze the brightness that dynamically changes picture output to the demand of the change of surrounding environment light intensity and human eye, thus the visual effect in the time of can having influence on human eye and watch picture, and affect the health of human eye.
Summary of the invention
Embodiments of the invention provide a kind of brightness adjusting device and method, have solved that the display brightness of display is fixing watches the visual effect of picture and the problem that human eye health has a negative impact to human eye.
For achieving the above object, embodiments of the invention adopt following technical scheme:
, comprising: signal gathering unit, for obtaining the shown picture of environmental light brightness value and display; Data extracting unit, for extracting picture brightness value from described display picture; Data determining unit, for searching corresponding brightness value to be shown according to described environmental light brightness value and picture brightness value in default brightness data storehouse; Regulon, for adjusting the brightness of described display according to described brightness value to be shown.
Further, described brightness adjusting device also comprises data display unit, for showing described brightness value to be shown.
Preferably, described brightness adjusting device also comprises data transmission unit, for described brightness value to be shown is sent to described regulon by wireless mode; Described regulon also comprises data reception module, for receiving the described brightness value described to be shown transmitting by wireless mode.
Alternatively, described display picture is single image, continuous multiple images, or is one section of video.
Preferably, described signal gathering unit is digital camera, is integrated on described display or is independent of outside described display to arrange.
, comprising: (1) signal gathering unit is obtained environmental light brightness value and the shown picture of described display; (2) data extracting unit is extracted picture brightness value from described display picture; (3) data determining unit is searched corresponding brightness value to be shown according to described environmental light brightness value and picture brightness value in default brightness data storehouse; (4) regulon is adjusted the brightness of described display according to described brightness value to be shown.
Further, between step (3) and step (4), also comprise that display unit shows described brightness value to be shown.
Preferably, between step (3) and step (4), also comprise: data transmission unit is sent to described regulon by described brightness value to be shown by wireless mode; The brightness value described to be shown transmitting by wireless mode described in data reception module in described regulon receives.
The brightness adjusting device that the embodiment of the present invention provides and method, can obtain real-time display picture brightness value and environmental light brightness value, and can be according to the variation of these two values, in default brightness data storehouse, search corresponding brightness value to be shown, by suitable brightness data storehouse is set, just can obtain suitable brightness value to be shown, regulon can make display demonstrate the display brightness that is applicable to eyes of user demand according to this brightness value to be shown, thereby realize the dynamic adjustments of display brightness, to avoid display screen, cross bright or cross when dark, user feels poor visual effect or the uncomfortable phenomenon of eyes.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The block scheme of a kind of brightness adjusting device that Fig. 1 provides for the embodiment of the present invention;
The block scheme of the another kind of brightness adjusting device that Fig. 2 provides for the embodiment of the present invention;
The process flow diagram of a kind of luminance regulating method that Fig. 3 provides for the embodiment of the present invention;
The process flow diagram of the another kind of luminance regulating method that Fig. 4 provides for the embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described.
The embodiment of the present invention provides a kind of brightness adjusting device, and as shown in Figure 1, this device comprises: signal gathering unit 11, for obtaining the shown picture of environmental light brightness value and display; Data extracting unit 12, for extracting picture brightness value from display picture; Data determining unit 13, for searching corresponding brightness value to be shown according to environmental light brightness value and picture brightness value in default brightness data storehouse; Regulon 14, for adjusting the brightness of display according to brightness value to be shown.
The brightness adjusting device that above-described embodiment provides, can obtain real-time display picture brightness value and environmental light brightness value, and can be according to the variation of these two values, in default brightness data storehouse, search corresponding brightness value to be shown, by suitable brightness data storehouse is set, just can obtain suitable brightness value to be shown, regulon can make display demonstrate the display brightness that is applicable to eyes of user demand according to this brightness value to be shown, thereby realize the dynamic adjustments of display brightness, to avoid display screen, cross bright or cross when dark, user feels poor visual effect or the uncomfortable phenomenon of eyes.
The effect of signal gathering unit 11 is equivalent to human eye, and shown picture on the display can Real-time Collection (obtaining) user using also can obtain environmental light brightness value simultaneously.Signal gathering unit 11 can be digital camera, can be integrated on display or be independent of outside display and arrange, this digital camera is placed on the position that can collect display picture, in digital camera, can comprise photoelectric commutator, to convert respectively the light signal of the light signal of the display picture getting and surround lighting to electric signal.
Be independent of the signal gathering unit 11 arranging outside display and be preferably digital camera, for example: with the mobile phone of camera function, because mobile phone uses flexibly and easily, make from different perspectives, distance obtains picture shown on display operation is simple.In addition, the display picture that signal gathering unit 11 gathers can be single image, and multiple images that also can be continuous can be even one section of videos.Wherein, the image number using is more, and the picture brightness value that data extracting unit 12 extracts more approaches the intrinsic brilliance of display light.
The picture that data extracting unit 12 acknowledge(ment) signal collecting units gather, processes collecting picture, extracts picture brightness value.Particularly, data extracting unit 12 can comprise analog to digital converter, to convert the electric signal after signal gathering unit 11 conversions to digital signal, in these digital signals, generally include tone value, intensity value and the brightness value of each pixel, brightness value is wherein more easily by eyes perception, the picture large such as brightness value is dazzling, therefore extracts picture brightness value as the foundation of adjusting brightness of display, more direct and effective.
When picture is a two field picture, the brightness value of picture can be the mean value of the brightness value of all pixels in image, or distributes after different weights for the pixel of diverse location in image, and each pixel brightness value is weighted to the average rear picture brightness value that obtains.When picture is during to the combination of multiple image, one section of video for example, can average to the brightness value of all pixels in all images, also can first to the brightness value of same pixel in every two field picture, average, for the pixel of diverse location is distributed after different weights, the average brightness value of each pixel is weighted to the average rear picture brightness value that obtains again.Certainly, the method for extracting picture brightness value by pixel brightness value is not limited to the above-mentioned method of averaging or asking weighted mean value, can be other method known to those skilled in the art.
The picture brightness value of extracting can be transferred to data determining unit 13.Certainly, data extracting unit 12 can integrate with signal gathering unit 11 and all as with the functional part in the mobile phone of camera function, for example: sensitive chip or sensor chip are set in mobile phone, thereby mobile phone is had, gather environmental light brightness value and display picture the environmental light brightness value of output extraction, the function of the picture brightness value of extraction.
The environmental light brightness value that data determining unit 13 provides according to data extracting unit 12 and picture brightness value, compare analysis with default light luminance information, and by the corresponding data information transfer of finding out to regulon 14.
Wherein, default light luminance information is the brightness data storehouse that user sets the feeling ability of light luminance according to own eyes, and this database has comprised the brightness value to be shown of environmental light brightness value and picture brightness value and the display corresponding with these two values.The brightness value to be shown that different environmental light brightness values is corresponding different with picture brightness value.
Finally, regulon 14 is adjusted the brightness of display according to this brightness value to be shown.Particularly, the means that display brightness regulates can be to regulate backlight, or be the brightness value in the menu image of directly adjusting display, or other control method known to those skilled in the art.Regulon 14 is preferably arranged on display.
In the brightness adjusting device that above-described embodiment provides, can also comprise data display unit 21 as shown in Figure 2, for showing above-mentioned brightness value to be shown, make user can see intuitively this numerical value.Data display unit 21 can be according to the judged result of data determining unit 13, display reminding information, this information is except comprising the brightness value to be shown of adjusting brightness of display, can also comprise environmental light brightness value and picture brightness value that above-mentioned data extracting unit 12 is extracted, and the intensity value calculating according to this picture brightness value and HSV algorithm, tone value etc.
Certainly, data display unit 21 can integrate with data extracting unit 12, signal gathering unit 11 and all as with the functional part in the mobile phone of camera function, thereby mobile phone is had gather the function of digital signal after environmental light brightness value, display picture, output conversion display reminding information.Data display unit 21 is specifically as follows the screen in mobile phone, and this information can directly show by mobile phone screen.Like this, the information that user just can show by mobile phone screen, knows the situation that display brightness regulates.
In addition, as shown in Figure 2, this brightness adjusting device can also comprise data transmission unit 22, so that brightness value to be shown is sent to regulon by wireless mode, correspondingly, regulon 14 can also comprise data reception module 23, to receive the brightness value to be shown transmitting by wireless mode.
Certainly, this data transmission unit 22 also can be integrated on above-mentioned mobile phone, be specially the wireless launcher on mobile phone, launch brightness value to be shown, the data reception module 23 arranging on regulon 14 receives this brightness value to be shown, and regulon 14 is according to the automatic adjusting brightness of display of brightness value to be shown receiving.
Above-mentioned brightness adjusting device has been realized the dynamic adjustments of display brightness, has avoided display screen cross bright or cross when dark, and user feels poor visual effect or the uncomfortable phenomenon of eyes.
In addition, the embodiment of the present invention also provides a kind of luminance regulating method, and as shown in Figure 3, the method comprises: 301, signal gathering unit is obtained environmental light brightness value and the shown picture of display; 302, data extracting unit is extracted picture brightness value from display picture; 303, data determining unit is searched corresponding brightness value to be shown according to environmental light brightness value and picture brightness value in default brightness data storehouse; 304, regulon is adjusted the brightness of display according to brightness value to be shown.
The luminance regulating method that above-described embodiment provides can be according to obtaining real-time display picture brightness value and environmental light brightness value, and can be according to the variation of these two values, in default brightness data storehouse, search corresponding brightness value to be shown, by suitable brightness data storehouse is set, just can obtain suitable brightness value to be shown, regulon can make display demonstrate the display brightness that is applicable to eyes of user demand according to this brightness value to be shown, thereby realize the dynamic adjustments of display brightness, to avoid display screen, cross bright or cross when dark, user feels poor visual effect or the uncomfortable phenomenon of eyes.
Each step in the luminance regulating method that above-described embodiment provides all has been described in detail when the brightness adjusting device of describing shown in Fig. 1, does not repeat them here.
In addition, as shown in Figure 4, the embodiment of the present invention also provides a kind of luminance regulating method, comprising: 401, signal gathering unit is obtained environmental light brightness value and the shown picture of display; 402, data extracting unit is extracted picture brightness value from display picture; 403, data determining unit is searched corresponding brightness value to be shown according to environmental light brightness value and picture brightness value in default brightness data storehouse; 404, display unit shows brightness value to be shown; 405, data transmission unit is sent to regulon by brightness value to be shown by wireless mode; Data reception module in described regulon receives the brightness value to be shown transmitting by wireless mode; 406, regulon is adjusted the brightness of display according to brightness value to be shown.
In the method, the order of step 404 and step 405 can exchange, and can first perform step as shown in Figure 4 404 and perform step 405 again, also can first perform step 405 and perform step 404 again.
And this luminance regulating method can obtain real-time display picture brightness value and environmental light brightness value, and can be according to the variation of these two values, in default brightness data storehouse, search corresponding brightness value to be shown, by suitable brightness data storehouse is set, just can obtain suitable brightness value to be shown, regulon can make display demonstrate the display brightness that is applicable to eyes of user demand according to this brightness value to be shown, thereby realize the dynamic adjustments of display brightness, to avoid display screen, cross bright or cross when dark, user feels poor visual effect or the uncomfortable phenomenon of eyes.
Each step in luminance regulating method shown in Fig. 4 all has been described in detail when the brightness adjusting device of describing shown in Fig. 2, does not repeat them here.
The embodiment of the present invention is mainly used in the occasion that office, amusement, communication etc. need to be used display.
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited to this, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; the variation that can expect easily or replacement, within all should being encompassed in protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of described claim.
Claims (8)
1. a brightness adjusting device, is characterized in that, comprising:
Signal gathering unit, for obtaining the shown picture of environmental light brightness value and display;
Data extracting unit, for extracting picture brightness value from described display picture;
Data determining unit, for searching corresponding brightness value to be shown according to described environmental light brightness value and picture brightness value in default brightness data storehouse;
Regulon, for adjusting the brightness of described display according to described brightness value to be shown.
2. brightness adjusting device according to claim 1, is characterized in that, also comprises data display unit, for showing described brightness value to be shown.
3. brightness adjusting device according to claim 1, is characterized in that, also comprises data transmission unit, for described brightness value to be shown is sent to described regulon by wireless mode;
Described regulon also comprises data reception module, for receiving the described brightness value described to be shown transmitting by wireless mode.
4. brightness adjusting device according to claim 1, is characterized in that, described display picture is single image, continuous multiple images, or is one section of video.
5. brightness adjusting device according to claim 1, is characterized in that, described signal gathering unit is digital camera, is integrated on described display or is independent of outside described display to arrange.
6. a luminance regulating method, is characterized in that, comprising:
(1) signal gathering unit is obtained environmental light brightness value and the shown picture of display;
(2) data extracting unit is extracted picture brightness value from described display picture;
(3) data determining unit is searched corresponding brightness value to be shown according to described environmental light brightness value and picture brightness value in default brightness data storehouse;
(4) regulon is adjusted the brightness of described display according to described brightness value to be shown.
7. luminance regulating method according to claim 6, is characterized in that, also comprises that display unit shows described brightness value to be shown between step (3) and step (4).
8. luminance regulating method according to claim 6, is characterized in that, also comprises: data transmission unit is sent to described regulon by described brightness value to be shown by wireless mode between step (3) and step (4); The brightness value described to be shown transmitting by wireless mode described in data reception module in described regulon receives.
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| CN112289277A (en) * | 2020-10-27 | 2021-01-29 | 上海熙业信息科技有限公司 | Mobile medical electronic equipment screen brightness adjusting system and method |
| CN112327494A (en) * | 2020-10-29 | 2021-02-05 | 中国航空工业集团公司洛阳电光设备研究所 | Automatic brightness adjusting method for airborne head-up display |
| CN113453082A (en) * | 2021-06-16 | 2021-09-28 | 深圳创维－Rgb电子有限公司 | Intelligent television image automatic adjustment processing method and device, intelligent television and medium |
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