CN101458921B - Brightness regulating method and apparatus for display and computer thereof - Google Patents

Brightness regulating method and apparatus for display and computer thereof Download PDF

Info

Publication number
CN101458921B
CN101458921B CN2007101794056A CN200710179405A CN101458921B CN 101458921 B CN101458921 B CN 101458921B CN 2007101794056 A CN2007101794056 A CN 2007101794056A CN 200710179405 A CN200710179405 A CN 200710179405A CN 101458921 B CN101458921 B CN 101458921B
Authority
CN
China
Prior art keywords
brightness
ambient brightness
data
display
advance
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN2007101794056A
Other languages
Chinese (zh)
Other versions
CN101458921A (en
Inventor
王元成
路璐
丁科
朱洪雷
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Lenovo Beijing Ltd
Original Assignee
Lenovo Beijing Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Lenovo Beijing Ltd filed Critical Lenovo Beijing Ltd
Priority to CN2007101794056A priority Critical patent/CN101458921B/en
Publication of CN101458921A publication Critical patent/CN101458921A/en
Application granted granted Critical
Publication of CN101458921B publication Critical patent/CN101458921B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Controls And Circuits For Display Device (AREA)

Abstract

The invention discloses a brightness adjustment method for displays, comprising: extracting environment brightness data from the digital image information captured by camera device; according to a preset relationship between environment brightness and display brightness, judging if the prior brightness of a display is corresponding to the adjusted environment brightness data, and when they are not corresponding, adjusting the brightness of the display to the value corresponding to the environment brightness. The invention further discloses a display brightness adjuster and a computer, which can on-timely and effectively adjust the brightness of displays according to the change of environment brightness.

Description

Display brightness control method and device and computing machine
Technical field
The present invention relates to image acquisition, image-region division and display technology, particularly a kind of display brightness control method and device and computing machine.
Background technology
Along with popularizing of computing machine, the time that people work before display is more and more longer, and the display of watching computing machine for a long time attentively causes eye fatigue easily.Under different ambient light brightness conditions, human eye is for the brightness sensitivity difference of display.Particularly, when ambient light is brighter, the brightness of display need be heightened, just can make human eye be more clearly visible the shown content of display.Otherwise, when ambient light is relatively darker, then need the brightness of display is turned down, brought human eye dazzling sensation to avoid bright display.
In realizing process of the present invention, the inventor finds to exist at least in the prior art following problem: existing display register brightness is by the concrete environmental baseline manual adjustments of artificial basis, not only operation inconvenience, and do not have self-adaptation and a self-regulating ability, can not carry out automatically, in time, effectively regulate brightness according to the variation of ambient light.
Summary of the invention
The objective of the invention is problem, a kind of display brightness control method and device and computing machine are provided, can regulate display brightness timely and effectively according to the variation of ambient light conditions at above-mentioned prior art existence.
According to an aspect of the present invention, provide a kind of display brightness control method, having comprised: from the digital image information that camera head obtains, extracted the ambient brightness data; According to the resize ratio that sets in advance, the data shared weight in described ambient brightness data in shared weight and/or the image four angular zone coordinate ranges that setting in advance in described ambient brightness data of the data in the picture centre area coordinate scope that sets in advance is adjusted; Corresponding relation according to ambient brightness that sets in advance and display brightness, judge whether current display brightness is corresponding with adjusted ambient brightness data, if not corresponding then display brightness is adjusted to and the corresponding display brightness of described ambient brightness data.
Preferably, in the technique scheme, before the step of described extraction ambient brightness data, can also comprise: the corresponding relation that sets in advance described ambient brightness and display brightness.
Preferably, in the technique scheme, described judge current display brightness whether with the corresponding step of adjusted ambient brightness data after, repeat the step of described extraction ambient brightness data at interval at preset time.
According to a further aspect in the invention, provide a kind of display brightness regulating device, having comprised: the ambient brightness data acquisition module, be connected with camera head, be used for extracting the ambient brightness data from the digital image information that camera head obtains; The brilliance control module, comprise: balance processing module, be connected with described ambient brightness data acquisition module, be used for according to the resize ratio that sets in advance, the data shared weight in described ambient brightness data in shared weight and/or the image four angular zone coordinate ranges that setting in advance in described ambient brightness data of the data in the picture centre area coordinate scope that sets in advance is adjusted; And brightness adjusting module, be connected with described balance processing module, be used for according to the ambient brightness that sets in advance and the corresponding relation of display brightness, judge whether current display brightness is corresponding with adjusted ambient brightness data, if processor not corresponding then control computer is adjusted to display brightness and the corresponding display brightness of described ambient brightness data.
Preferably, in the technique scheme, can also comprise: Subscriber Interface Module SIM, be connected with described brilliance control module, be used for being provided for setting in advance the interface of the corresponding relation of described ambient brightness and display brightness to the user.
Preferably, in the technique scheme, can also comprise: time block, be connected with described ambient brightness data acquisition module, be used for preset time at interval in the described ambient brightness data acquisition module of repeated priming carry out the operation of described extraction ambient brightness data.
According to a further aspect in the invention, provide a kind of computing machine, comprised display and the central processing unit that communicates by computer bus and display, also comprised being used for the display brightness regulating device that communicates with described central processing unit; Described display brightness regulating device comprises: the ambient brightness data acquisition module, be connected with camera head, and be used for extracting the ambient brightness data from the digital image information that camera head obtains; The brilliance control module, comprise: balance processing module, be connected with described ambient brightness data acquisition module, be used for according to the resize ratio that sets in advance, the data shared weight in described ambient brightness data in shared weight and/or the image four angular zone coordinate ranges that setting in advance in described ambient brightness data of the data in the picture centre area coordinate scope that sets in advance is adjusted; And brightness adjusting module, be connected with described balance processing module, be used for according to the ambient brightness that sets in advance and the corresponding relation of display brightness, judge whether current display brightness corresponding with adjusted ambient brightness data, and if not corresponding would control described central processing unit with the brightness regulation of described display for and the corresponding brightness of described ambient brightness data.
A technical scheme in the technique scheme has following beneficial effect: obtains the ambient brightness data by the portrait view data of utilizing camera head to produce, thereby do not need the extra device that ambient brightness is surveyed that increases, and radiationless to human body; By judging according to ambient brightness data that obtained and default corresponding relation whether current display brightness is suitable, thereby can adjust display brightness timely and effectively; And can realize described display brightness regulating device by hardware or software, the dirigibility height is convenient to make and expansion.
Description of drawings
Fig. 1 is the synoptic diagram of the embodiment one of display brightness control method of the present invention;
Fig. 2 is the synoptic diagram of the embodiment two of display brightness control method of the present invention;
Fig. 3 is the synoptic diagram of the embodiment three of display brightness control method of the present invention;
Fig. 4 is the synoptic diagram of the embodiment four of display brightness control method of the present invention;
Fig. 5 is the synoptic diagram of the embodiment one of display brightness regulating device of the present invention;
Fig. 6 is the synoptic diagram of the embodiment two of display brightness regulating device of the present invention;
Fig. 7 is the synoptic diagram of the embodiment three of display brightness regulating device of the present invention; And
Fig. 8 is the synoptic diagram of the embodiment four of display brightness regulating device of the present invention.
Embodiment
With reference to the accompanying drawings embodiments of the invention are described in further detail.
Fig. 1 is the synoptic diagram of the embodiment one of display brightness control method of the present invention.
As shown in Figure 1, a kind of display brightness control method may further comprise the steps: at first extract the ambient brightness data in step S1 from the digital image information that camera head obtains; In step S2, the weight of each several part data in the described ambient brightness data is adjusted then according to predetermined policy; Then in step S3 according to the ambient brightness that sets in advance and the corresponding relation of display brightness, judge whether current display brightness is corresponding with adjusted ambient brightness data, if not corresponding then display brightness is adjusted to and the corresponding display brightness of described ambient brightness data.
In the present embodiment one, the brightness that utilizes hardware, the software resource of described camera head to come test environment light keeps the camera function of camera itself simultaneously.The sensor devices of described camera head (Sensor) sensor devices can be responded to information such as color, gray scale, brightness, and it is made up of numerous photosensitive units, these cell distribution on a rectangle plane, 640*480 for example.With common camera is example, and its induction range can be between 100lux to 600lux.
The digital image information of present embodiment one by utilizing the standing camera head of putting (for example camera head) of existing computing machine to be obtained, extract ambient brightness data wherein, come current display brightness is regulated according to the corresponding relation between these ambient brightness data and predefined ambient brightness data and the display brightness.
Therefore, present embodiment obtains the ambient brightness data by the portrait view data of utilizing camera head and producing, thereby does not need the extra device that ambient brightness is surveyed that increases, and is radiationless to human body; By judging according to ambient brightness data that obtained and default corresponding relation whether current display brightness is suitable, thereby can adjust display brightness timely and effectively; And can realize described display brightness regulating device by hardware or software, the dirigibility height is convenient to make and expansion.
Preferably, in the present embodiment, the corresponding relation of described ambient brightness that sets in advance and display brightness can followingly be provided with:
The brightness of ambient light is divided into several grades, for example bright, moderate, dark etc.It is bright for example can setting 500lux above, and 200-500lux is moderate, is dark less than 200lux.
The different numerical value of described ambient brightness data are corresponding with different grades respectively.Simultaneously, different grades is also corresponding with different display brightness scopes respectively.
Under the situation of the corresponding relation of above-mentioned ambient brightness that sets in advance and display brightness, in step S1, from the digital image information that camera head obtains, extract after the ambient brightness data in the present embodiment one, in step S2, the weight of each several part data in the described ambient brightness data is adjusted according to predetermined policy, in step S3, obtain the brightness degree of corresponding ambient light and the display brightness corresponding then with this brightness degree according to these ambient brightness data and above-mentioned default corresponding relation, whether the brightness that can judge current display thus is consistent with the corresponding display brightness of this brightness degree, if processor inconsistent then control computer is adjusted into the display brightness corresponding with this brightness degree with current display brightness.
Fig. 2 is the synoptic diagram of the embodiment two of display brightness control method of the present invention.As shown in Figure 2, a kind of display brightness control method may further comprise the steps: the corresponding relation that at first sets in advance described ambient brightness and display brightness in step S01; In step S1, from the digital image information that camera head obtains, extract the ambient brightness data subsequently; In step S2, the weight of each several part data in the described ambient brightness data is adjusted then according to predetermined policy; Then in step S3 according to the ambient brightness that sets in advance and the corresponding relation of display brightness, judge whether current display brightness is corresponding with adjusted ambient brightness data, if not corresponding then display brightness is adjusted to and the corresponding display brightness of described ambient brightness data.
In the present embodiment two, the corresponding relation of described ambient brightness and display brightness can be provided with and renewal at any time in advance flexibly by the user, has improved dirigibility and extendability greatly.
Fig. 3 is the synoptic diagram of the embodiment three of display brightness control method of the present invention.As shown in Figure 3, a kind of display brightness control method may further comprise the steps: the corresponding relation that at first sets in advance described ambient brightness and display brightness in step S01; In step S1, from the digital image information that camera head obtains, extract the ambient brightness data subsequently; Then in step S20 according to the resize ratio that sets in advance, the data shared weight in described ambient brightness data in shared weight and/or the image four angular zone coordinate ranges that setting in advance in described ambient brightness data of the data in the picture centre area coordinate scope that sets in advance is adjusted; Then in step S3 according to the ambient brightness that sets in advance and the corresponding relation of display brightness, judge whether current display brightness is corresponding with adjusted ambient brightness data, if not corresponding then display brightness is adjusted to and the corresponding display brightness of described ambient brightness data.
Wherein, among the described step S20, can select described resize ratio and adjust mode accordingly according to the demand of practical application scene.
For example, among the described step S20, can reduce the data shared weight in described ambient brightness data in the picture centre area coordinate scope that sets in advance according to the resize ratio that sets in advance; Also can be increased in the data shared weight in described ambient brightness data in the image four angular zone coordinate ranges that set in advance according to the resize ratio that sets in advance; Can also be according to the resize ratio that sets in advance, the data of minimizing in the picture centre area coordinate scope that sets in advance shared weight in described ambient brightness data is increased in the data shared weight in described ambient brightness data in the image four angular zone coordinate ranges that set in advance simultaneously.
In the present embodiment three, the brightness in the data representation picture centre zone in the picture centre area coordinate scope that sets in advance described in the step S20, the brightness of data representation image four angular zones in the described image that the sets in advance four angular zone coordinate ranges, by to the shared weight in described ambient brightness data of the data in the picture centre area coordinate scope that sets in advance, and/or the data shared weight in described ambient brightness data in the image four angular zone coordinate ranges that set in advance is adjusted, come balance is carried out in the brightness of four angular zones in the image and central area, prevented under the situations such as interference of four jiaos of image or central area adularescent clothes or background brightness is estimated the deviation that caused further to have improved the degree of accuracy that ambient brightness is estimated.
Preferably, in the present embodiment three, described step S20 can specifically comprise: will the data in data in the picture centre area coordinate scope that sets in advance and the image that the is setting in advance four angular zone coordinate ranges add and as described ambient brightness data, as shown in Equation (1):
Ambient brightness data=(data in the picture centre area coordinate scope that sets in advance) * first coefficient+(data in the image four angular zone coordinate ranges that setting in advance) * second coefficient
(1)
And, reduce described first coefficient, and/or increase described second coefficient according to the resize ratio that sets in advance.Wherein, when needs are avoided the situation of white clothes in picture centre zone, described first coefficient can be made as zero.
Those of ordinary skill in the art is to be understood that; can be according to the demand of concrete application scenarios; described formula (1) is set flexibly; for example can adopt various forms such as linear function; come the shared weight of each several part data in the described ambient brightness data is adjusted, it all should be within claim of the present invention scope required for protection.
Fig. 4 is the synoptic diagram of the embodiment four of display brightness control method of the present invention.As shown in Figure 4, a kind of display brightness control method may further comprise the steps: the corresponding relation that at first sets in advance described ambient brightness and display brightness in step S01; In step S1, from the digital image information that camera head obtains, extract the ambient brightness data subsequently; Then in step S20 according to the resize ratio that sets in advance, the data shared weight in described ambient brightness data in shared weight and/or the image four angular zone coordinate ranges that setting in advance in described ambient brightness data of the data in the picture centre area coordinate scope that sets in advance is adjusted; Subsequently in step S3 according to the ambient brightness that sets in advance and the corresponding relation of display brightness, judge whether current display brightness is corresponding with adjusted ambient brightness data, if it is not corresponding then display brightness is adjusted to and the corresponding display brightness of described ambient brightness data, in step S4, judge whether to arrive preset time then at interval, if arrive preset time, otherwise continue execution in step S4 until arriving preset time at interval at interval with regard to repeated execution of steps S1.
Make to repeat at interval to the extraction of ambient brightness data with according to the ambient brightness data by step S4 in the present embodiment four and adjust the operation of display brightness at preset time, thus the variation of tracking environmental brightness at any time and adjust display brightness timely and effectively.
Fig. 5 is the synoptic diagram of the embodiment one of display brightness regulating device of the present invention.As shown in Figure 5, a kind of display brightness regulating device comprises: ambient brightness data acquisition module 2, be connected with camera head 1, and be used for extracting the ambient brightness data from the digital image information that camera head 1 obtains; Brilliance control module 3, be connected with described ambient brightness data acquisition module 2, be used for the weight of described ambient brightness data each several part data being adjusted according to predetermined policy, then according to the ambient brightness that sets in advance and the corresponding relation of display brightness, judge whether current display brightness is corresponding with adjusted ambient brightness data, if processor not corresponding then control computer is adjusted to display brightness and the corresponding display brightness of described ambient brightness data.
The digital image information of present embodiment by utilizing the standing camera head of putting (for example camera head) of existing computing machine to be obtained, extract wherein ambient brightness data by ambient brightness data acquisition module 2, come current display brightness is regulated according to the corresponding relation between these ambient brightness data and predefined ambient brightness data and the display brightness by brilliance control module 3.
Therefore, present embodiment obtains the ambient brightness data by the portrait view data of utilizing camera head and producing, thereby does not need the extra device that ambient brightness is surveyed that increases, and is radiationless to human body; By judging according to ambient brightness data that obtained and default corresponding relation whether current display brightness is suitable, thereby can adjust display brightness timely and effectively; And can realize described display brightness regulating device by hardware or software, the dirigibility height is convenient to make and expansion.
Fig. 6 is the synoptic diagram of the embodiment two of display brightness regulating device of the present invention.As shown in Figure 6, a kind of display brightness regulating device comprises: ambient brightness data acquisition module 2, be connected with camera head 1, and be used for extracting the ambient brightness data from the digital image information that camera head 1 obtains; Brilliance control module 3, be connected with described ambient brightness data acquisition module 2, be used for the weight of described ambient brightness data each several part data being adjusted according to predetermined policy, then according to the ambient brightness that sets in advance and the corresponding relation of display brightness, judge whether current display brightness is corresponding with adjusted ambient brightness data, if processor not corresponding then control computer is adjusted to display brightness and the corresponding display brightness of described ambient brightness data; Subscriber Interface Module SIM 4 is connected with described brilliance control module 3, is used for being provided for setting in advance to the user interface of the corresponding relation of described ambient brightness and display brightness.
In the present embodiment, by Subscriber Interface Module SIM 4, the user can carry out the corresponding relation of described ambient brightness and display brightness being provided with flexibly in advance and upgrading at any time, has improved dirigibility and extendability greatly.
Fig. 7 is the synoptic diagram of the embodiment three of display brightness regulating device of the present invention.As shown in Figure 7, a kind of display brightness regulating device comprises: ambient brightness data acquisition module 2, be connected with camera head 1, and be used for extracting the ambient brightness data from the digital image information that camera head 1 obtains; Balance processing module 31, be connected with ambient brightness data acquisition module 2, be used for according to the resize ratio that sets in advance, in the ambient brightness data that ambient brightness data acquisition module 2 is obtained, the data shared weight in described ambient brightness data in shared weight and/or the image four angular zone coordinate ranges that setting in advance in described ambient brightness data of the data in the picture centre area coordinate scope that sets in advance is adjusted; Brightness adjusting module 32, be connected with described balance processing module 31, be used for according to the ambient brightness that sets in advance and the corresponding relation of display brightness, judge whether current display brightness is corresponding with the ambient brightness data after described balance processing module 31 processing, if processor not corresponding then control computer is adjusted to display brightness and the corresponding display brightness of described ambient brightness data; Subscriber Interface Module SIM 4 is connected with described brightness adjusting module 32, is used for being provided for setting in advance to the user interface of the corresponding relation of described ambient brightness and display brightness.
Wherein, described balance processing module 31 can be selected described resize ratio and adjust mode accordingly according to the demand of practical application scene.
For example, described balance processing module 31 can reduce the data shared weight in described ambient brightness data in the picture centre area coordinate scope that sets in advance according to the resize ratio that sets in advance; Also can be increased in the data shared weight in described ambient brightness data in the image four angular zone coordinate ranges that set in advance according to the resize ratio that sets in advance; Can also be according to the resize ratio that sets in advance, the data of minimizing in the picture centre area coordinate scope that sets in advance shared weight in described ambient brightness data is increased in the data shared weight in described ambient brightness data in the image four angular zone coordinate ranges that set in advance simultaneously.
Preferably, in the present embodiment, can with the data in data in the picture centre area coordinate scope that sets in advance and the image that the is setting in advance four angular zone coordinate ranges add and as described ambient brightness data, as shown in Equation (1).And, reduce described first coefficient, and/or increase described second coefficient according to the resize ratio that sets in advance.Wherein, when needs are avoided the situation of white clothes in picture centre zone, described first coefficient can be made as zero.
Those of ordinary skill in the art is to be understood that; can be according to the demand of concrete application scenarios; described formula (1) is set flexibly; for example can adopt various forms such as linear function; come the shared weight of each several part data in the described ambient brightness data is adjusted, it all should be within claim of the present invention scope required for protection.
Present embodiment is by adjusting the data shared weight in described ambient brightness data in shared weight and/or the image four angular zone coordinate ranges that setting in advance in described ambient brightness data of the data in the picture centre area coordinate scope that sets in advance, come balance is carried out in the brightness of four angular zones in the image and central area, prevented under the situations such as interference of four jiaos of image or central area adularescent clothes or background brightness is estimated the deviation that caused further to have improved the degree of accuracy that ambient brightness is estimated.
Fig. 8 is the synoptic diagram of the embodiment four of display brightness regulating device of the present invention.As shown in Figure 8, a kind of display brightness regulating device comprises: ambient brightness data acquisition module 2, be connected with camera head 1, and be used for extracting the ambient brightness data from the digital image information that camera head 1 obtains; Balance processing module 31, be connected with ambient brightness data acquisition module 2, be used for according to the resize ratio that sets in advance, in the ambient brightness data that ambient brightness data acquisition module 2 is obtained, the data shared weight in described ambient brightness data in shared weight and/or the image four angular zone coordinate ranges that setting in advance in described ambient brightness data of the data in the picture centre area coordinate scope that sets in advance is adjusted; Brightness adjusting module 32, be connected with described balance processing module 31, be used for according to the ambient brightness that sets in advance and the corresponding relation of display brightness, judge whether current display brightness is corresponding with the ambient brightness data after described balance processing module 31 processing, if processor not corresponding then control computer is adjusted to display brightness and the corresponding display brightness of described ambient brightness data; Subscriber Interface Module SIM 4 is connected with described brightness adjusting module 32, is used for being provided for setting in advance to the user interface of the corresponding relation of described ambient brightness and display brightness; Time block 5 is connected with described ambient brightness data acquisition module 2, is used for the operation of the described extraction ambient brightness data of described ambient brightness data acquisition module 2 execution of repeated priming in the preset time interval.
Make to repeat at interval to the extraction of ambient brightness data with according to the ambient brightness data by time block 5 in the present embodiment and adjust the operation of display brightness at preset time, thus the variation of tracking environmental brightness at any time and adjust display brightness timely and effectively.
The display brightness regulating device that the foregoing description provided can be located at described camera head inside, and it is outside and be connected with camera head also can independently to be arranged at camera head.Those of ordinary skill in the art should be appreciated that described display brightness regulating device can be set neatly according to the demand of practical application scene, and it all should be within claim of the present invention institute restricted portion.
Those of ordinary skill in the art is to be understood that, the above embodiment of the present invention and combination thereof or be equal to replacement and can realize by hardware, also can be by storing the media implementation of the computer program of executable operations according to the present invention, it all should be within claim of the present invention institute restricted portion.
The present invention also provides a kind of computing machine, comprises display and the central processing unit that communicates by computer bus and display, also comprises being used for the display brightness regulating device that communicates with described central processing unit; Described display brightness regulating device comprises: the ambient brightness data acquisition module, be connected with camera head, and be used for extracting the ambient brightness data from the digital image information that camera head obtains; The brilliance control module, be connected with described ambient brightness data acquisition module, be used for the weight of described ambient brightness data each several part data being adjusted according to predetermined policy, then according to the ambient brightness that sets in advance and the corresponding relation of display brightness, judge whether current display brightness corresponding with adjusted ambient brightness data, and if not corresponding would control described central processing unit with the brightness regulation of described display for and the corresponding brightness of described ambient brightness data.
Preferably, described brilliance control module can comprise: balance processing module, be connected with described ambient brightness data acquisition module and brilliance control module, be used for according to the resize ratio that sets in advance, the data shared weight in described ambient brightness data in shared weight and/or the image four angular zone coordinate ranges that setting in advance in described ambient brightness data of the data in the picture centre area coordinate scope that sets in advance is adjusted; The brightness adjusting module, be connected with described balance processing module, be used for according to the ambient brightness that sets in advance and the corresponding relation of display brightness, judge whether current display brightness is corresponding with the ambient brightness data after the described balance processing module processing, if processor not corresponding then control computer is adjusted to display brightness and the corresponding display brightness of described ambient brightness data.
Although illustrated and illustrated exemplary embodiments more of the present invention, those of ordinary skill in the art is to be understood that, can change these embodiments and do not break away from principle of the present invention and spirit, also not break away from by appended claim and replace institute's restricted portion on an equal basis.

Claims (7)

1. display brightness control method comprises:
From the digital image information that camera head obtains, extract the ambient brightness data;
According to the resize ratio that sets in advance, the data shared weight in described ambient brightness data in shared weight and/or the image four angular zone coordinate ranges that setting in advance in described ambient brightness data of the data in the picture centre area coordinate scope that sets in advance is adjusted;
Corresponding relation according to ambient brightness that sets in advance and display brightness, judge whether current display brightness is corresponding with adjusted ambient brightness data, if not corresponding then display brightness is adjusted to and the corresponding display brightness of described ambient brightness data.
2. display brightness control method according to claim 1 is characterized in that, also comprises before the step of described extraction ambient brightness data: the corresponding relation that sets in advance described ambient brightness and display brightness.
3. display brightness control method according to claim 1 and 2, it is characterized in that, described judge current display brightness whether with the corresponding step of adjusted ambient brightness data after, also comprise: repeat the step of described extraction ambient brightness data at interval at preset time.
4. display brightness regulating device comprises:
The ambient brightness data acquisition module is connected with camera head, is used for extracting the ambient brightness data from the digital image information that camera head obtains;
The brilliance control module comprises:
Balance processing module, be connected with described ambient brightness data acquisition module, be used for according to the resize ratio that sets in advance, the data shared weight in described ambient brightness data in shared weight and/or the image four angular zone coordinate ranges that setting in advance in described ambient brightness data of the data in the picture centre area coordinate scope that sets in advance is adjusted; And
The brightness adjusting module, be connected with described balance processing module, be used for according to the ambient brightness that sets in advance and the corresponding relation of display brightness, judge whether current display brightness is corresponding with adjusted ambient brightness data, if processor not corresponding then control computer is adjusted to display brightness and the corresponding display brightness of described ambient brightness data.
5. display brightness regulating device according to claim 4 is characterized in that, also comprises:
Subscriber Interface Module SIM is connected with described brilliance control module, is used for being provided for setting in advance to the user interface of the corresponding relation of described ambient brightness and display brightness.
6. according to claim 4 or 5 described display brightness regulating devices, it is characterized in that, also comprise:
Time block is connected with described ambient brightness data acquisition module, be used for preset time at interval in the described ambient brightness data acquisition module of repeated priming carry out the operation of described extraction ambient brightness data.
7. a computing machine comprises display and the central processing unit that communicates by computer bus and display, it is characterized in that:
Also comprise and be used for the display brightness regulating device that communicates with described central processing unit;
Described display brightness regulating device comprises:
The ambient brightness data acquisition module is connected with camera head, is used for extracting the ambient brightness data from the digital image information that camera head obtains;
The brilliance control module comprises:
Balance processing module, be connected with described ambient brightness data acquisition module, be used for according to the resize ratio that sets in advance, the data shared weight in described ambient brightness data in shared weight and/or the image four angular zone coordinate ranges that setting in advance in described ambient brightness data of the data in the picture centre area coordinate scope that sets in advance is adjusted; And
The brightness adjusting module, be connected with described balance processing module, be used for according to the ambient brightness that sets in advance and the corresponding relation of display brightness, judge whether current display brightness corresponding with adjusted ambient brightness data, and if not corresponding would control described central processing unit with the brightness regulation of described display for and the corresponding brightness of described ambient brightness data.
CN2007101794056A 2007-12-12 2007-12-12 Brightness regulating method and apparatus for display and computer thereof Active CN101458921B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2007101794056A CN101458921B (en) 2007-12-12 2007-12-12 Brightness regulating method and apparatus for display and computer thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2007101794056A CN101458921B (en) 2007-12-12 2007-12-12 Brightness regulating method and apparatus for display and computer thereof

Publications (2)

Publication Number Publication Date
CN101458921A CN101458921A (en) 2009-06-17
CN101458921B true CN101458921B (en) 2011-03-30

Family

ID=40769739

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2007101794056A Active CN101458921B (en) 2007-12-12 2007-12-12 Brightness regulating method and apparatus for display and computer thereof

Country Status (1)

Country Link
CN (1) CN101458921B (en)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101661734A (en) * 2009-09-09 2010-03-03 深圳市融创天下科技发展有限公司 Method and system for regulating screen display of camera terminal
CN102024424B (en) * 2009-09-16 2013-03-27 致伸科技股份有限公司 Method and device for processing image
CN102881259B (en) * 2009-09-16 2015-05-20 致伸科技股份有限公司 Image processing method and device
CN102394972A (en) * 2011-10-24 2012-03-28 惠州Tcl移动通信有限公司 Mobile phone and method for adjusting brightness of display based on mobile phone
CN102954836B (en) * 2012-10-26 2015-04-15 京东方科技集团股份有限公司 Ambient light sensor, user applying device and display device
CN104113617A (en) * 2013-04-16 2014-10-22 深圳富泰宏精密工业有限公司 Backlight brightness adjusting system and backlight brightness adjusting method
CN104240675B (en) * 2013-06-20 2017-05-24 联想(北京)有限公司 Method for adjusting parameters and electronic device
CN104700815B (en) * 2013-12-06 2017-07-28 神讯电脑(昆山)有限公司 Brightness controlling device and brightness control method
CN103730102B (en) * 2013-12-30 2016-03-02 联想(北京)有限公司 A kind of information processing method and electronic equipment
CN104766591A (en) * 2015-04-12 2015-07-08 南京巨鲨显示科技有限公司 Displayer with ambient light self-adaption function and work procedure thereof
CN106297729A (en) * 2015-05-22 2017-01-04 联想(北京)有限公司 The method and apparatus of regulation electronic equipment screen display brightness
CN107633835A (en) * 2017-09-26 2018-01-26 河南职业技术学院 A kind of computer display control system of protect eyes
CN108053787B (en) * 2017-12-20 2020-11-24 中国航空工业集团公司洛阳电光设备研究所 Self-adaptive brightness control method for head-up display
CN109147719A (en) * 2018-09-30 2019-01-04 北京奇虎科技有限公司 Mobile terminal and the method, apparatus and storage medium for adjusting its brightness of display screen
CN110689861B (en) * 2019-09-29 2021-04-13 联想(北京)有限公司 Brightness adjusting method and device and electronic equipment
CN116543718A (en) * 2023-05-17 2023-08-04 深圳市珍伟斯光电有限公司 Outdoor LCD energy-saving control system and method

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6411306B1 (en) * 1997-11-14 2002-06-25 Eastman Kodak Company Automatic luminance and contrast adustment for display device
CN1658265A (en) * 2000-01-17 2005-08-24 株式会社半导体能源研究所 Display system and electrical appliance
CN1896807A (en) * 2005-07-11 2007-01-17 佛山市顺德区顺达电脑厂有限公司 Method for adjusting negative-light resource brightness automatically

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6411306B1 (en) * 1997-11-14 2002-06-25 Eastman Kodak Company Automatic luminance and contrast adustment for display device
CN1658265A (en) * 2000-01-17 2005-08-24 株式会社半导体能源研究所 Display system and electrical appliance
CN1896807A (en) * 2005-07-11 2007-01-17 佛山市顺德区顺达电脑厂有限公司 Method for adjusting negative-light resource brightness automatically

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
JP特开2001-5427A 2001.01.12

Also Published As

Publication number Publication date
CN101458921A (en) 2009-06-17

Similar Documents

Publication Publication Date Title
CN101458921B (en) Brightness regulating method and apparatus for display and computer thereof
CN109240572B (en) Method for obtaining picture, method and device for processing picture
EP2990937B1 (en) Wearable electronic device
EP3146521B1 (en) Electronic device
CN106971165B (en) A kind of implementation method and device of filter
CN105719611B (en) The show uniformity method of adjustment and device of liquid crystal display
CN107945766A (en) Display device
CN110032271A (en) Contrast control device and its method, virtual reality device and storage medium
WO2011040932A1 (en) Digital display device
CN103258520B (en) A kind of information processing method, system and a kind of electronic equipment
CN109147707A (en) Gamma value adjusting method, device and the display equipment of display panel
CN105575359A (en) Brightness adjusting system and brightness adjusting method
CN105929951A (en) Screen display method and device
CN106941588B (en) Data processing method and electronic equipment
CN106548765A (en) Screen luminance adjustment method and device
CN106169281A (en) Flicker of display panel degree regulation equipment and control method
CN109147708A (en) Gamma value adjusting method, device and the display equipment of display panel
WO2019052476A1 (en) Method for collecting facial information and related devices
CN109410813A (en) A kind of method of adjustment and device of touch-control blank
US11200653B2 (en) Local histogram matching with global regularization and motion exclusion for multi-exposure image fusion
CN110556080B (en) Method, device, terminal and storage medium for adjusting backlight
CN109326250A (en) Electronic equipment, display screen adjusting method
CN106775527B (en) Adjust the method, apparatus and display equipment of the display parameters of display panel
CN106550135B (en) Display screen backlight brightness control method and system based on mobile terminal
CN104461425A (en) Screen content display adjusting method and device and terminal

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant