CN101262563B - A method for automatically adjusting brightness of video header of a mobile phone - Google Patents
A method for automatically adjusting brightness of video header of a mobile phone Download PDFInfo
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- CN101262563B CN101262563B CN2008100662088A CN200810066208A CN101262563B CN 101262563 B CN101262563 B CN 101262563B CN 2008100662088 A CN2008100662088 A CN 2008100662088A CN 200810066208 A CN200810066208 A CN 200810066208A CN 101262563 B CN101262563 B CN 101262563B
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Abstract
The invention provides a method for automatically adjusting the brightness of a video head of a mobile phone. During video call, surrounding light is measured in a real-time manner by starting a data measurer in a module measuring the ambient light brightness in a mobile terminal and light brightness values are collected; the data of the light brightness values is transferred to a light brightness data analyzing and processing module, by which the light brightness data is compared with the preset light brightness data of the mobile phone; the result of the comparison is used for the adjustment of the light brightness of the video head by automatically adopting a setup module of the mobile phone to adjust the light brightness of the video head to a set value. The method of the invention automatically adjusts the light brightness of the video head to achieve the best effect by adopting a light brightness automatic adjustment method, thus solving the problem that manual adjustment is required in the prior art and the method is more user-friendly.
Description
Technical field
The present invention relates to the mobile communication technology field, the method for thereupon regulating brightness automatically according to surrounding environment light brightness different video camera when relating in particular to the conversation of a kind of mobile video.
Background technology
Along with the develop rapidly of science and technology, wireless communication technology is also more and more important to the development of entire society, and more and more users is brought into use this communication technology of mobile phone.Mobile phone is as a kind of instrument that is convenient for people to communicate by letter; Having become in the daily life must indispensable requisites; Along with consumer's increasing and consumer to the requirements at the higher level that this communication technology proposed, the appearance of video calling has become characteristic business in the third generation mobile.But mobile video is conversed in daily use, because the influence of the light luminance of environment for use, the user need be according to the brightness of the light luminance manual adjustment video heads of environment; If so just cause the light luminance of the original regular tenacity that is provided with of user, if converse this moment in the environment of a dark, the other side just possibly not see Chu.Make troubles for user's use if video heads brightness is carried out manual adjustment one by one according to the light luminance of environment, operate also relative more complicated, the present invention is directed to that existing deficiency has proposed a kind of solution in the prior art.
Summary of the invention
The objective of the invention is to solve in different light luminance environment and regulate the problem and shortage that video heads brightness is occurred by hand; It is simple to have proposed a kind of realization; Be provided with flexibly; Can be when the user carry out visual telephone, mobile phone regulates automatically the method for video heads brightness according to the light luminance of current environment of living in.
Technical scheme of the present invention is following:
A kind of mobile video automatic brightness adjustment method comprises the steps:
A, mobile phone power-on under different user modes, judge whether to launch automatic regulative mode according to the parameter that is provided with in advance, if get into step B, otherwise get into the conventional state of mobile phone;
B, start the profiler in the ambient light brightness measurement module, collect the light luminance value, the data of said light luminance value are sent to light luminance data analysis processing module, get into step C;
C, through said light luminance data analysis processing module; The light luminance data that said light luminance data and mobile phone are provided with are in advance compared; With the adjusting that module is carried out the video heads light luminance that is provided with of the automatic calling mobile phone of comparing of result, the video heads light luminance is adjusted into the scope of setting.
Described method, wherein, the said light luminance value among the said step B is divided into different ranks, detects the rank of ambient light brightness through said profiler.
Described method, wherein, among the said step C, said light luminance data analysis processing module is used to judge that which kind of rank is the said light luminance data that received be in and call that module adjustment is set.
Described method, wherein, the rank of said light luminance is divided into Pyatyi.
Described method, wherein, the scope of the optimal setting of said light luminance value is 103Nit--153Nit.
Described method, wherein, the user mode that said steps A is different comprises mobile video incoming call and mobile video dialing.
A kind of mobile video provided by the present invention automatic brightness adjustment method when carrying out video calling, through the ambient light brightness measurement module in the portable terminal, is measured light on every side in real time; And measured data are compared and handle through the light luminance data analysis module; Coming automatically according to the light luminance Automatic adjustment method, adjusting video heads light luminance makes it reach optimum efficiency; Thereby solved the problem that needs manual adjustment in the prior art, be convenient to user's use more.
Description of drawings
Fig. 1 is a mobile video of the present invention automatic brightness regulating device block diagram;
Fig. 2 is a mobile video of the present invention automatic brightness adjustment mapping table;
Fig. 3 is the schematic flow sheet of a mobile video of the present invention light luminance Automatic adjustment method.
Embodiment
The invention provides a kind of mobile video light luminance Automatic adjustment method, clearer, clear and definite for making the object of the invention, technical scheme and advantage, below with reference to accompanying drawing to further explain of the present invention.
In order to solve video heads luminance shortage and the bright excessively problem that mobile phone is occurred when video incoming call or the video dialtone in different light luminance environment; The present invention utilizes two main modular in the mobile phone; Ambient light brightness measurement module and light luminance data analysis processing module come it is carried out the method for video heads automatic brightness adjustment, and wherein ambient light brightness measurement module realizes sending light luminance data analysis processing module to the measurement function of ambient light brightness and the light luminance data that measure; The function of light luminance data analysis processing modules implement two aspects; The light luminance data that send in the reception environment light luminance measurement module; Compare the light luminance data that define in advance in these data and the light luminance data module, and the automatic adjusting that module is carried out light luminance is set according to the call by result of comparison; Its operation principle comprises: when portable terminal portable terminal instantaneous starting ambient light brightness measurement module during at video incoming call or video dialtone; This module starts the ambient light brightness measurement device that is arranged in it; The light luminance measuring appliance is activated when video incoming call or video dialtone; Measure the light luminance situation under the current environment automatically; Compare the setting that module is carried out the video heads light luminance that is provided with of calling portable terminal automatically according to the result who compares then according to the light luminance data of storage in advance in light luminance value that measures and the light luminance data analysis module in the portable terminal then.
The present invention has adopted as shown in Figure 1 being used for the self-regulating device of mobile phone video heads light luminance according to foregoing description, and this device has comprised ambient light brightness measurement module, the light luminance analysis and processing module with module is set.Ambient light brightness measurement module links to each other with the light luminance analysis and processing module, is used for sending light luminance data analysis processing module to the measurement of ambient light brightness and with the light luminance data that measure; Light luminance analysis and processing module and ambient light brightness measurement module with module be set link to each other; Be used for the light luminance data that reception environment light luminance measurement module transmits; Light luminance data search ambient light gray scale and camera light through transmitting are adjusted numerical value foundation adjusting mapping table automatically, and is as shown in table 1, and the light luminance data of light luminance data and setting are in advance compared; And corresponding relation is delivered to module is set; Result according to comparison is provided with the automatic adjusting that module is carried out light luminance through calling, and after adjusting finishes, gets into the old process of mobile phone.
Fig. 2 is a mobile video of the present invention automatic brightness adjustment mapping table; Below in conjunction with table 1 both corresponding relations are described; The parameter of mobile phone is provided with usually and can be divided into different ranks in the table 1; The present invention with the light luminance of surrounding environment from 1Nit to be defined as 5 ranks more than or equal to 255Nit
Wherein, the first order: 1Nit--51Nit;
The second level: 52Nit--102Nit;
The third level: 103Nit--153Nit;
The fourth stage: 154Nit--204Nit;
More than level V: 205Nit--255Nit reaches;
When ambient light brightness measurement module detects ambient light brightness and is in first rank; Be that light luminance is 1Nit--51Nit; The light luminance analysis and processing module judges that light luminance is not enough; Through module is set the brightness regulation of camera is increased 102Nit, adjustment back light luminance value scope is (1Nit--51Nit)+102Nit, the effect when reaching desirable video calling;
Equally; When ambient light brightness measurement module detects ambient light brightness and is in second level; Be that light luminance is 52Nit--102Nit, the brightness regulation increase 51Nit of module with camera be set, so adjustment back light luminance value scope also reaches desirable video calling effect;
Be in the third level when other when ambient light brightness measurement module detects ambient light brightness, the light luminance analysis and processing module judges that light luminance is in normal scope, is set at the brightness regulation of camera constant;
And be in the fourth stage when other when ambient light brightness measurement module detects ambient light brightness; Be that light luminance is 154Nit--204Nit; The light luminance analysis and processing module judges that light luminance is bright excessively, through the brightness regulation minimizing 51Nit of module with camera is set; Adjustment back light luminance value scope is (154Nit--204Nit)-51Nit, the effect when having reached desirable video calling; When ambient light brightness is in level V not when (205Nit--255Nit and more than), the brightness regulation of camera is reduced 102Nit;
Such as, when the Measurement of Luminance of ambient light is 50Nit, be in light luminance first rank, then according to table 1, the brightness of camera reconciled be 152Nit; When the Measurement of Luminance of ambient light is 250Nit, then according to table 1, the brightness of camera reconciled be 148Nit, so that the light luminance after the present invention reconciles is set in the third level is other, set point is 103Nit--153Nit.
Fig. 3 is the schematic flow sheet of a mobile video of the present invention light luminance Automatic adjustment method; Carry out detailed description referring to 3 pairs of steps of accompanying drawing; Wherein: cell phone standby; At first the user need carry out the parameter setting to portable terminal, and this parameter comprises whether launching the automatic regulative mode of a mobile video light luminance: be not or not; The default value of preserving above-mentioned parameter in the portable terminal promptly allows to launch the automatic regulative mode of a mobile video light luminance.
Portable terminal is under the holding state, and mobile phone is in and can starts a mobile video light luminance under the two states and regulate automatically, promptly during the mobile video incoming call or during the mobile video dialing.
Whether allow to launch the automatic regulative mode of a mobile video light luminance during the mobile phones enquiring parameter is provided with when mobile video is sent a telegram here,, then do not get into ambient light brightness measurement module, directly change hands the machine old process and handle if do not allow; If allow; Then get into ambient light brightness measurement module; And the ambient light brightness measurement device that starts in this module is collected the light luminance value under the current environment; Be sent to light luminance data analysis processing module to this light luminance value then; In this module, enter into the mapping table of ambient light brightness data and video heads light luminance, inquire the parameter of the video heads light luminance of pairing the best, parameter is set to the best of this best video heads light luminance then and transfers to mobile phone according to these light luminance data with the light luminance data that send in the light brightness measurement module; Mobile phone calls the parameter that module had been provided with previous video heads light luminance automatically is set, and is set to the parameter of the video heads light luminance of current the best; Withdraw from ambient light brightness measurement module and ambient light brightness analysis processing module subsequently, change the conventional treatment flow process of mobile phone over to.Equally, when mobile video dials, also need the mobile phones enquiring parameter whether to allow to launch the automatic regulative mode of a mobile video light luminance in being provided with,, then do not get into ambient light brightness measurement module, directly change hands the machine old process and handle if do not allow; If allow, then get into ambient light brightness measurement module, the flow process when workflow is sent a telegram here with mobile video is identical, and this is slightly.Because the present invention through the ambient light brightness measurement module in the portable terminal, measures light on every side in real time; And measured data are compared and handle through the light luminance data analysis module; Come to regulate automatically the video heads light luminance according to the light luminance Automatic adjustment method, so solved video heads luminance shortage and the bright excessively problem that when video incoming call or video dialtone, in different light luminance environment, is occurred.
What should explain is; Above embodiment is only unrestricted in order to technical scheme of the present invention to be described; Although with reference to preferred embodiment the present invention is specified, those of ordinary skill in the art should be appreciated that and can make amendment or be equal to replacement technical scheme of the present invention; And not breaking away from the spirit and the scope of technical scheme of the present invention, it all should be encompassed in the middle of the claim scope of the present invention.
Claims (6)
1. a mobile video automatic brightness adjustment method comprises the steps:
A, mobile phone power-on under different user modes, judge whether to launch automatic regulative mode according to the parameter that is provided with in advance, if get into step B, otherwise get into the conventional state of mobile phone;
B, start the profiler in the ambient light brightness measurement module, collect the light luminance value, the data of said light luminance value are sent to light luminance data analysis processing module, get into step C;
The data of C, the said light luminance value that in said light luminance data analysis processing module, sends with said ambient light brightness measurement module enter into the mapping table of ambient light brightness data and video heads light luminance; Inquire the parameter of pairing video heads light luminance according to the data of said light luminance value, call then the parameter that module video heads light luminance is set to the video heads light luminance of said correspondence is set.
2. method according to claim 1 is characterized in that, the said light luminance value among the said step B is divided into different ranks, detects the rank of ambient light brightness through said profiler.
3. method according to claim 1 is characterized in that, among the said step C, said light luminance data analysis processing module is used to judge that which kind of rank is the said light luminance data that received be in and call that module adjustment is set.
4. according to claim 2 or 3 described methods, it is characterized in that the rank of said light luminance is divided into Pyatyi.
5. method according to claim 1 is characterized in that, the scope of the optimal setting of said light luminance value is 103Nit--153Nit.
6. method according to claim 1 is characterized in that, the user mode that said steps A is different comprises mobile video incoming call and mobile video dialing.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100662088A CN101262563B (en) | 2008-03-24 | 2008-03-24 | A method for automatically adjusting brightness of video header of a mobile phone |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2008100662088A CN101262563B (en) | 2008-03-24 | 2008-03-24 | A method for automatically adjusting brightness of video header of a mobile phone |
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| CN101262563A CN101262563A (en) | 2008-09-10 |
| CN101262563B true CN101262563B (en) | 2012-06-06 |
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Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102014207A (en) * | 2010-11-30 | 2011-04-13 | 中兴通讯股份有限公司 | Communication terminal and visual telephone processing method |
| CN102098379A (en) | 2010-12-17 | 2011-06-15 | 惠州Tcl移动通信有限公司 | Terminal as well as method and device for acquiring real-time video images of terminal |
| CN103179453A (en) * | 2011-12-26 | 2013-06-26 | 中国电信股份有限公司 | Method and system for providing content data to terminal |
| CN104580969A (en) * | 2013-10-23 | 2015-04-29 | 中兴通讯股份有限公司 | Video frame rate adjusting method and device |
| CN104754276A (en) * | 2013-12-26 | 2015-07-01 | 联想(北京)有限公司 | Information processing method and electronic equipment |
| CN104168410A (en) * | 2014-08-15 | 2014-11-26 | 青岛蓝图文化传播有限公司市南分公司 | Photographing device with dimming circuits |
| CN105068838B (en) * | 2015-08-07 | 2019-05-31 | 联想(北京)有限公司 | A kind of information processing method and electronic equipment |
| CN107389692A (en) * | 2017-09-22 | 2017-11-24 | 苏州天键衡电子信息科技有限公司 | A kind of method of work of the image measurer with automatic light filling function |
| CN107607547A (en) * | 2017-09-22 | 2018-01-19 | 苏州天键衡电子信息科技有限公司 | A kind of image measurer with automatic light filling function |
| CN108063982A (en) * | 2018-01-11 | 2018-05-22 | 上海展扬通信技术有限公司 | Adjust the method, apparatus and computer storage media of video calling brightness |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1450793A (en) * | 2002-04-10 | 2003-10-22 | 中华电信股份有限公司 | Digital image monitoring control system capable of automatic adjusting lens diaphragm and detecting object movement |
| CN1905714A (en) * | 2005-07-29 | 2007-01-31 | 乐金电子(中国)研究开发中心有限公司 | Automatic shade adaptation method and apparatus in mobile communication terminal |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1450793A (en) * | 2002-04-10 | 2003-10-22 | 中华电信股份有限公司 | Digital image monitoring control system capable of automatic adjusting lens diaphragm and detecting object movement |
| CN1905714A (en) * | 2005-07-29 | 2007-01-31 | 乐金电子(中国)研究开发中心有限公司 | Automatic shade adaptation method and apparatus in mobile communication terminal |
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