CN101262563A - A method for automatically adjusting camera brightness of a mobile phone - Google Patents

A method for automatically adjusting camera brightness of a mobile phone Download PDF

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Publication number
CN101262563A
CN101262563A CNA2008100662088A CN200810066208A CN101262563A CN 101262563 A CN101262563 A CN 101262563A CN A2008100662088 A CNA2008100662088 A CN A2008100662088A CN 200810066208 A CN200810066208 A CN 200810066208A CN 101262563 A CN101262563 A CN 101262563A
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China
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light luminance
brightness
mobile phone
video
module
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CNA2008100662088A
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Chinese (zh)
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CN101262563B (en
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曹争光
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ZTE Corp
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ZTE Corp
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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

A kind of mobile video automatic brightness adjustment method
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 increasing user brings 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 may 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 is regulated the method for video heads brightness automatically according to the light luminance of current environment of living in.
Technical scheme of the present invention is as follows:
A kind of mobile video automatic brightness adjustment method comprises the steps:
A, mobile phone power-on under different user modes, judge whether to enable automatic regulative mode according to the parameter that sets in advance, if enter step B, otherwise enter the conventional state of mobile phone;
B, start the data measurement device in the ambient light brightness measurement module, collect the light luminance value, the data of described light luminance value are sent to light luminance data analysis processing module, enter step C;
C, by described light luminance data analysis processing module, the light luminance data that described light luminance data and mobile phone set in advance are compared, with the automatic calling mobile phone of result of comparison the adjusting that module is carried out the video heads light luminance is set, the video heads light luminance is adjusted into the scope of setting.
Described method, wherein, the described light luminance value among the described step B is divided into different ranks, detects the rank of ambient light brightness by described data measurement device.
Described method, wherein, among the described step C, described light luminance data analysis processing module is used to judge which kind of rank is the described light luminance data that received be in and call that module adjustment is set.
Described method, wherein, the rank of described light luminance is divided into Pyatyi.
Described method, wherein, the scope that the best of described light luminance value is set is 103Nit--153Nit.
Described method, wherein, the user mode that described 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, by 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 by the light luminance data analysis module, regulating the video heads light luminance automatically according to the light luminance Automatic adjustment method 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 purpose of the present invention, technical scheme and advantage, below the present invention is described in more detail with reference to accompanying drawing.
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, the light luminance data that pre-define in these data and the light luminance data module are compared, 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 then then according to the result who compares 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.
The present invention has adopted being used for the self-regulating device of mobile phone video heads light luminance as shown in Figure 1 according to foregoing description, and this device has comprised ambient light brightness measurement module, light luminance analysis and processing module and 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, automatically adjust numerical value foundation adjusting mapping table by the light luminance data search ambient light gray scale and the camera light that transmit, as shown in table 1, light luminance data and the light luminance data that set in advance are 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 by calling, after adjusting finishes, enter the old process of mobile phone.
Fig. 2 is a mobile video of the present invention automatic brightness adjustment mapping table, be described below in conjunction with the corresponding relation of table 1 both, 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: 1 Nit--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 is judged the light luminance deficiency, by the brightness regulation increase 102Nit of module with camera is set, adjusting 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 is set, also reach desirable video calling effect so adjust back light luminance value scope;
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, by the brightness regulation minimizing 51Nit of module with camera is set; Adjusting 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 brightness 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 brightness 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, be described in detail 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 enabling 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 enable 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 enable 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 enter ambient light brightness measurement module, directly change hands the machine old process and handle if do not allow; If allow, then enter ambient light brightness measurement module, and start the light luminance value under the ambient light brightness measurement device collection current environment in this module, then this light luminance value is sent to light luminance data analysis processing module, in this module, enter into the mapping table of ambient light brightness data and video heads light luminance with the light luminance data that send in the light brightness measurement module, inquire the parameter of the video heads light luminance of pairing the best according to these light luminance data, then the best of this best video heads light luminance is provided with parameter and transfers to mobile phone, 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 enable the automatic regulative mode of a mobile video light luminance in being provided with,, then do not enter ambient light brightness measurement module, directly change hands the machine old process and handle if do not allow; If allow, then enter 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 by 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 by the light luminance data analysis module, regulate the video heads light luminance automatically 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.
It should be noted that, above embodiment is only unrestricted in order to technical scheme of the present invention to be described, although the present invention is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement technical scheme of the present invention, and not breaking away from the spirit and scope of technical solution of the present invention, it all should be encompassed in the middle of the claim scope of the present invention.

Claims (6)

1, a kind of mobile video automatic brightness adjustment method comprises the steps:
A, mobile phone power-on under different user modes, judge whether to enable automatic regulative mode according to the parameter that sets in advance, if enter step B, otherwise enter the conventional state of mobile phone;
B, start the data measurement device in the ambient light brightness measurement module, collect the light luminance value, the data of described light luminance value are sent to light luminance data analysis processing module, enter step C;
C, by described light luminance data analysis processing module, the light luminance data that described light luminance data and mobile phone set in advance are compared, with the automatic calling mobile phone of result of comparison the adjusting that module is carried out the video heads light luminance is set, the video heads light luminance is adjusted into the scope of setting.
2, method according to claim 1 is characterized in that, the described light luminance value among the described step B is divided into different ranks, detects the rank of ambient light brightness by described data measurement device.
3, method according to claim 1 is characterized in that, among the described step C, described light luminance data analysis processing module is used to judge which kind of rank is the described 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 described light luminance is divided into Pyatyi.
5, method according to claim 1 is characterized in that, the scope that the best of described light luminance value is set is 103Nit--153Nit.
6, method according to claim 1 is characterized in that, the user mode that described steps A is different comprises mobile video incoming call and mobile video dialing.
CN2008100662088A 2008-03-24 2008-03-24 A method for automatically adjusting brightness of video header of a mobile phone Expired - Fee Related CN101262563B (en)

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Cited By (10)

* Cited by examiner, † Cited by third party
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
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
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
CN105068838A (en) * 2015-08-07 2015-11-18 联想(北京)有限公司 Information processing method and electronic device
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

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CN1190952C (en) * 2002-04-10 2005-02-23 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
KR100631656B1 (en) * 2005-07-29 2006-10-09 엘지전자 주식회사 Automatic shade adaptation method and apparatus in mobile communication station

Cited By (12)

* Cited by examiner, † Cited by third party
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
US8982178B2 (en) 2010-12-17 2015-03-17 Huizhou Tcl Mobile Communication Co., Ltd. Method and device for acquiring real-time video image 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
CN105068838A (en) * 2015-08-07 2015-11-18 联想(北京)有限公司 Information processing method and electronic device
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
WO2019137219A1 (en) * 2018-01-11 2019-07-18 深圳传音控股股份有限公司 Method and device for adjusting brightness for video call, and computer storage medium

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