CN103118163A - Method and terminal of controlling photographing flash light - Google Patents
Method and terminal of controlling photographing flash light Download PDFInfo
- Publication number
- CN103118163A CN103118163A CN2011103631844A CN201110363184A CN103118163A CN 103118163 A CN103118163 A CN 103118163A CN 2011103631844 A CN2011103631844 A CN 2011103631844A CN 201110363184 A CN201110363184 A CN 201110363184A CN 103118163 A CN103118163 A CN 103118163A
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- flash
- exposure status
- terminal
- camera lens
- light
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B7/00—Control of exposure by setting shutters, diaphragms or filters, separately or conjointly
- G03B7/16—Control of exposure by setting shutters, diaphragms or filters, separately or conjointly in accordance with both the intensity of the flash source and the distance of the flash source from the object, e.g. in accordance with the "guide number" of the flash bulb and the focusing of the camera
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B15/00—Special procedures for taking photographs; Apparatus therefor
- G03B15/02—Illuminating scene
- G03B15/03—Combinations of cameras with lighting apparatus; Flash units
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Studio Devices (AREA)
- Stroboscope Apparatuses (AREA)
- Exposure Control For Cameras (AREA)
Abstract
The invention relates to a method and a terminal of controlling a photograph flash light. The method of controlling the photograph flash light includes that the terminal obtains an objective distance between a camera lens and a photographed and an exposure state of the camera lens. According to the objective distance and the exposure state, the current flash level is obtained from a preset flash level table. The terminal flash light parameters are set based on a current flash level. The method and the terminal of controlling the photograph flash achieve the effective control of the flash light, overcome the problems of too light or too dark in photographing so that the photographing effect is improved and the user experience is also greatly improved.
Description
Technical field
The present invention relates to the mobile communication technology field, relate in particular to a kind of method and terminal of controlling picture-taking flash lamp.
Background technology
Along with the development of the universal and mobile communication technology gradually of the mobile terminals such as mobile phone, most of mobile phones all are provided with camera-enabled, have brought convenience for the user takes pictures.
But existing mobile phone is when adopting photoflash lamp to take pictures, and photo is crossed the problem of dark or overexposure if taking pictures closely all can appear in the hypertelorism of mobile phone and the thing of taking pictures or cross, and has reduced thus user's body sense effect.
Summary of the invention
Main purpose of the present invention is to provide a kind of method and terminal of controlling picture-taking flash lamp, is intended to solve the photo of taking pictures in prior art and crosses the problem of dark or overexposure, strengthens user's experience effect.
In order to achieve the above object, the present invention proposes a kind of method of controlling picture-taking flash lamp, comprising:
Terminal is obtained object lens distance between camera lens and photo-object and the exposure status of described camera lens;
According to described object lens distance and described exposure status, obtain current flash of light grade from default flash of light table of grading;
The Flashing Light Parameters of described terminal is set according to described current flash of light grade.
Preferably, described terminal also comprises after obtaining the step of exposure status of object lens distance between camera lens and photo-object and described camera lens:
Described object lens are kept at described terminal apart from the data with exposure status local.
Preferably, described terminal also comprises before obtaining the step of exposure status of object lens distance between camera lens and photo-object and described camera lens:
The resolution of taking pictures of described camera lens is set.
Preferably, described default flash of light table of grading comprises the mapping relations of different object lens distances and exposure status and flash of light grade.
Preferably, described terminal also comprises before obtaining the step of exposure status of object lens distance between camera lens and photo-object and described camera lens:
Setting comprises the described flash of light table of grading of the mapping relations of different object lens distances and exposure status and flash of light grade.
Preferably, described Flashing Light Parameters comprises brightness of flash lamp and flash time.
The present invention also proposes a kind of terminal of controlling picture-taking flash lamp, comprising:
Range finder module is used for obtaining the object lens distance between camera lens and photo-object;
Sensor assembly is for the exposure status that obtains described camera lens;
The CPU processing module is used for obtaining current flash of light grade according to described object lens distance and described exposure status from default flash of light table of grading; And the Flashing Light Parameters of described terminal is set according to described current flash of light grade.
Preferably, this terminal also comprises:
Memory module, the data that are used for preserving described object lens distance and exposure status.
Preferably, described CPU processing module also is used for arranging the resolution of taking pictures of described camera lens.
Preferably, described CPU processing module also is used for arranging the described flash of light table of grading of the mapping relations that comprise different object lens distances and exposure status and flash of light grade.
A kind of method and terminal of controlling picture-taking flash lamp that the present invention proposes, when terminal is taken pictures, the exposure status of the camera lens by obtaining terminal and the distance of the object lens between photo-object and camera lens, and according to object lens distance and exposure status, obtain current flash of light grade from default flash of light table of grading; The brightness of photoflash lamp of terminal and flash time etc. are set according to current flash of light grade, thereby have avoided the photo of taking pictures in the prior art to cross the problem of dark or overexposure, strengthened simultaneously the end-user experience impression.
Description of drawings
Fig. 1 is the schematic flow sheet that the present invention controls method one embodiment of picture-taking flash lamp;
Fig. 2 is the schematic flow sheet that the present invention controls another embodiment of method of picture-taking flash lamp;
Fig. 3 is the structural representation that the present invention controls terminal one embodiment of picture-taking flash lamp;
Fig. 4 is the structural representation that the present invention controls another embodiment of terminal of picture-taking flash lamp.
In order to make technical scheme of the present invention clearer, clear, be described in further detail below in conjunction with accompanying drawing.
Embodiment
Solution for embodiment of the invention is mainly: at first arrange, when terminal is taken pictures, obtain the camera lens of terminal and the exposure status of the distance of the object lens between photo-object and camera lens, and according to object lens distance and exposure status, obtain current flash of light grade from default flash of light table of grading; The brightness of photoflash lamp of terminal and flash time etc. are set according to current flash of light grade, cross the problem of dark or overexposure with the photo of avoiding taking pictures in prior art, strengthen the end-user experience impression.
In the present invention, terminal is with taking a picture and the terminal of flash function, such as the mobile phone with camera lens and flash function etc., below each embodiment all describe as an example of mobile phone example.
As shown in Figure 1, one embodiment of the invention proposes a kind of method of controlling picture-taking flash lamp, comprising:
Step S101, terminal is obtained object lens distance between camera lens and photo-object and the exposure status of camera lens;
Take mobile phone as example, the camera lens that is provided with the CPU processing module in mobile phone and is used for taking a picture, camera lens is with transducer and photoflash lamp etc.
When handset starting is taken pictures, at first the resolution of taking pictures of camera lens is set by the CPU processing module, then the distance of adjusting between camera lens and photo-object is the alleged object lens distance of the present embodiment, and obtain object lens distance between current photo-object and camera lens, obtain simultaneously the exposure status of current camera lens by transducer, the object lens that obtain distance and exposure status can be remained in local storage, so that follow-up data such as exposure status according to object lens distance and camera lens are adjusted the parameters such as the brightness of photoflash lamp and flash time.
Step S102 according to object lens distance and exposure status, obtains current flash of light grade from default flash of light table of grading;
Wherein, the flash of light table of grading is pre-stored in mobile phone, and this flash of light table of grading comprises the mapping relations of different object lens distances, exposure status and flash of light grade.
Can be in advance according to different object lens distance and exposure status, measure corresponding flash of light grade, each flash of light grade is to experiment parameter data such as brightness that corresponding photoflash lamp should be arranged and flash times.
The structure of flash of light table of grading can be expressed as follows:
{
{ { object lens range data A1, exposure status data B1}; Flash of light grade C1};
{ { object lens range data A2, exposure status data B2}; Flash of light grade C2};
{ { object lens range data A3, exposure status data B3}; Flash of light grade C3};
{ { object lens range data A1, exposure status data B2}; Flash of light grade C2};
{ { object lens range data A1, exposure status data B3}; Flash of light grade C3};
{ { object lens range data A2, exposure status data B1}; Flash of light grade C4};
……
}
After getting current object lens distance and exposure status data, the object lens distance that this is current and exposure status data are carried out the logical AND combination, then according to the result of logical combination, search the flash of light table of grading, therefrom obtain the current flash of light grade that needs the photoflash lamp of setting.
Such as get object lens range data A1 when taking pictures, exposure status data B1, object lens range data A1 and exposure status data B1 are carried out the logical AND combined treatment, get corresponding flash of light grade C1, wherein, exposure status data B1 is that the transducer from mobile lens obtains, and these data are 16 system forms, object lens range data A1 can after get data, carry out round and process.
Step S103 arranges the Flashing Light Parameters of terminal according to current flash of light grade.
Wherein, Flashing Light Parameters comprises brightness of flash lamp and flash time.
After mobile phone gets the flash of light grade, to the sudden strain of a muscle transmission control command of turning off the light, the corresponding electric current of photoflash lamp and flash time are set by the CUP processing module.
Thus, mobile phone photograph is completed, with photo storage in memory.
The present embodiment is by the exposure status of the terminal camera lens that obtains and the distance of the object lens between photo-object and camera lens, and according to object lens distance and exposure status, obtain current flash of light grade from default flash of light table of grading, brightness and the flash time of the photoflash lamp of terminal are set according to current flash of light grade again, the effective control of realization to photoflash lamp, when having avoided taking pictures photo, overexposure or excessively dark problem, improved shooting effect, and improved greatly user's experience effect.
As shown in Figure 2, another embodiment of the present invention proposes a kind of method of controlling picture-taking flash lamp, on the basis of above-described embodiment, also comprises before above-mentioned steps S101:
Step S90, setting comprises the flash of light table of grading of the mapping relations of different object lens distances and exposure status and flash of light grade;
Step S100 arranges the resolution of taking pictures of camera lens;
Also comprise after above-mentioned steps S101:
Step S1012 is kept at terminal this locality with the data of object lens distances and exposure status.
Wherein, above-mentioned steps S100 and step S90 can sequentially complete in no particular order.
The difference of the present embodiment and above-described embodiment is, in the present embodiment procedure, before obtaining the object lens distance of camera lens and photo-object, also comprise the flash of light table of grading of the mapping relations that different object lens distances and exposure status and flash of light grade are set, and the resolution of taking pictures that camera lens is set.
Simultaneously, the present embodiment is after the exposure status of the object lens distance that gets camera lens and photo-object and camera lens, the object lens that obtain distance and exposure status are remained in local storage, so that follow-up data such as exposure status according to object lens distance and camera lens are adjusted the parameters such as the brightness of photoflash lamp and flash time.
The data such as the current object lens distance of obtaining and exposure status are retained in terminal memory always, wait for next time to take pictures when carrying out, and after again obtaining object lens distance and exposure status, upgrade this data.
As shown in Figure 3, one embodiment of the invention proposes a kind of terminal of controlling picture-taking flash lamp, comprising: range finder module 201, sensor assembly 202 and CPU processing module 203, wherein:
This sensor assembly 201 also is used for gathering the view data of photo-object simultaneously.
Wherein, Flashing Light Parameters comprises brightness of flash lamp and flash time.
take mobile phone as example, when handset starting is taken pictures, set the resolution of taking pictures of camera lens by CPU processing module 203 after, the object that will take pictures in the quick location of range finder module 201 or scenery center to the distance of mobile lens is the alleged object lens distance of the present embodiment, and obtain object lens distance between current photo-object and camera lens, obtain simultaneously the exposure status of current camera lens by sensor assembly 202, object lens distance and the exposure status that obtains can be remained in local storage, so that follow-up CPU processing module 203 is adjusted the parameters such as the brightness of photoflash lamp and flash time according to the data such as exposure status of object lens distance and camera lens.
In order to complete the camera function of mobile phone, except the above-mentioned functions module, also comprise module commonly used in the existing mobile phones such as keyboard input, screen display, battery management in mobile phone.
In the present embodiment, the flash of light table of grading is pre-stored in mobile phone, and this flash of light table of grading comprises the mapping relations of different object lens distances, exposure status and flash of light grade.
Can be in advance according to different object lens distance and exposure status, measure corresponding flash of light grade, each flash of light grade is to experiment parameter data such as brightness that corresponding photoflash lamp should be arranged and flash times.
The structure of flash of light table of grading can be expressed as follows:
{
{ { object lens range data A1, exposure status data B1}; Flash of light grade C1};
{ { object lens range data A2, exposure status data B2}; Flash of light grade C2};
{ { object lens range data A3, exposure status data B3}; Flash of light grade C3};
{ { object lens range data A1, exposure status data B2}; Flash of light grade C2};
{ { object lens range data A1, exposure status data B3}; Flash of light grade C3};
{ { object lens range data A2, exposure status data B1}; Flash of light grade C4};
……
}
After range finder module 201 gets current object lens distance and sensor assembly 202 and gets the exposure status data of camera lens, the object lens distance that CPU processing module 203 is current with this and exposure status data are carried out the logical AND combination, then according to the result of logical combination, search the flash of light table of grading, therefrom obtain the current flash of light grade that needs the photoflash lamp of setting.
Such as get object lens range data A1 when taking pictures, exposure status data B1, object lens range data A1 and exposure status data B1 are carried out the logical AND combined treatment, get corresponding flash of light grade C1, wherein, exposure status data B1 can 16 system forms, and object lens range data A1 can after get data, carry out round and process.
After CUP processing module 203 gets the flash of light grade, to the sudden strain of a muscle transmission control command of turning off the light, the corresponding electric current of photoflash lamp and flash time are set.
Thus, mobile phone photograph is completed, with photo storage in memory.
The present embodiment is by the exposure status of the terminal camera lens that obtains and the distance of the object lens between photo-object and camera lens, and according to object lens distance and exposure status, obtain current flash of light grade from default flash of light table of grading, brightness and the flash time of the photoflash lamp of terminal are set according to current flash of light grade again, the effective control of realization to photoflash lamp, when having avoided taking pictures photo, overexposure or excessively dark problem, improved shooting effect, and improved greatly user's experience effect.
As shown in Figure 4, another embodiment of the present invention proposes a kind of terminal of controlling picture-taking flash lamp, on the basis of above-described embodiment, also comprises:
The difference of the present embodiment and above-described embodiment is, in the present embodiment, obtain the object lens distance of camera lens and photo-object at range finder module 201 before, at first CPU processing module 203 needs to arrange the flash of light table of grading of the mapping relations of different object lens distances and exposure status and flash of light grade, and the resolution of taking pictures that camera lens is set.
Simultaneously, the present embodiment is after range finder module 201 gets the object lens distance of camera lens and photo-object and sensor assembly 202 and gets the exposure status of camera lens, by memory module 204, the object lens that obtain distance and exposure status are remained on this locality, so that follow-up CPU processing module 203 is adjusted the parameters such as the brightness of photoflash lamp and flash time according to the data such as exposure status of object lens distance and camera lens.
The data such as the current object lens distance of obtaining and exposure status are retained in terminal storage module 204 always, wait for next time to take pictures when carrying out, and after again obtaining object lens distance and exposure status, upgrade this data.
The embodiment of the present invention is controlled the method for picture-taking flash lamp and terminal by the terminal camera lens that obtains and the exposure status of the distance of the object lens between photo-object and camera lens, and according to object lens distance and exposure status, obtain current flash of light grade from default flash of light table of grading, brightness and the flash time of the photoflash lamp of terminal are set according to current flash of light grade again, the effective control of realization to photoflash lamp, overexposure or excessively dark problem when having avoided taking pictures photo, improve shooting effect, and improved greatly user's experience effect.
The above is only the preferred embodiments of the present invention; not thereby limit the scope of the claims of the present invention; every equivalent structure or flow process conversion that utilizes specification of the present invention and accompanying drawing content to do; or directly or indirectly be used in other relevant technical field, all in like manner be included in scope of patent protection of the present invention.
Claims (10)
1. a method of controlling picture-taking flash lamp, is characterized in that, comprising:
Terminal is obtained object lens distance between camera lens and photo-object and the exposure status of described camera lens;
According to described object lens distance and described exposure status, obtain current flash of light grade from default flash of light table of grading;
The Flashing Light Parameters of described terminal is set according to described current flash of light grade.
2. method according to claim 1, is characterized in that, described terminal also comprises after obtaining the step of exposure status of object lens distance between camera lens and photo-object and described camera lens:
Described object lens are kept at described terminal apart from the data with exposure status local.
3. method according to claim 1, is characterized in that, described terminal also comprises before obtaining the step of exposure status of object lens distance between camera lens and photo-object and described camera lens:
The resolution of taking pictures of described camera lens is set.
4. method according to claim 1, is characterized in that, described default flash of light table of grading comprises the mapping relations of different object lens distances and exposure status and flash of light grade.
5. method according to claim 4, is characterized in that, described terminal also comprises before obtaining the step of exposure status of object lens distance between camera lens and photo-object and described camera lens:
Setting comprises the described flash of light table of grading of the mapping relations of different object lens distances and exposure status and flash of light grade.
6. the described method of any one according to claim 1-5, is characterized in that, described Flashing Light Parameters comprises brightness of flash lamp and flash time.
7. a terminal of controlling picture-taking flash lamp, is characterized in that, comprising:
Range finder module is used for obtaining the object lens distance between camera lens and photo-object;
Sensor assembly is for the exposure status that obtains described camera lens;
The CPU processing module is used for obtaining current flash of light grade according to described object lens distance and described exposure status from default flash of light table of grading; And the Flashing Light Parameters of described terminal is set according to described current flash of light grade.
8. terminal according to claim 7, is characterized in that, also comprises:
Memory module, the data that are used for preserving described object lens distance and exposure status.
9. according to claim 7 or 8 described terminals, is characterized in that, described CPU processing module also is used for arranging the resolution of taking pictures of described camera lens.
10. terminal according to claim 9, is characterized in that, described CPU processing module also is used for arranging the described flash of light table of grading of the mapping relations that comprise different object lens distances and exposure status and flash of light grade.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103631844A CN103118163A (en) | 2011-11-16 | 2011-11-16 | Method and terminal of controlling photographing flash light |
| PCT/CN2011/084343 WO2013071671A1 (en) | 2011-11-16 | 2011-12-21 | Method and terminal for controlling photographing flashlight |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103631844A CN103118163A (en) | 2011-11-16 | 2011-11-16 | Method and terminal of controlling photographing flash light |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103118163A true CN103118163A (en) | 2013-05-22 |
Family
ID=48416433
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011103631844A Pending CN103118163A (en) | 2011-11-16 | 2011-11-16 | Method and terminal of controlling photographing flash light |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN103118163A (en) |
| WO (1) | WO2013071671A1 (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103714335A (en) * | 2013-12-13 | 2014-04-09 | 柳州市蓝海科技有限公司 | Golf club head recognition device |
| CN104113702A (en) * | 2014-07-25 | 2014-10-22 | 北京智谷睿拓技术服务有限公司 | Flash control method and device and image collection method and device |
| CN104853109A (en) * | 2015-04-30 | 2015-08-19 | 广东欧珀移动通信有限公司 | Flashing automatically adjusting method and shooting terminal |
| CN104980657A (en) * | 2015-06-29 | 2015-10-14 | 青岛海信移动通信技术股份有限公司 | Method and photographing device performing photographing by using flash lamp |
| CN105245714A (en) * | 2015-10-23 | 2016-01-13 | 上海斐讯数据通信技术有限公司 | Proximity-sensor-based smartphone flash fast switching method and system |
| CN106357986A (en) * | 2016-09-26 | 2017-01-25 | 维沃移动通信有限公司 | Soft-light lamp brightness control method and electronic equipment |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113727499B (en) * | 2020-05-26 | 2023-08-18 | 浙江大华技术股份有限公司 | Light supplementing lamp control method and device, electronic equipment and storage medium |
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| US6009282A (en) * | 1995-06-13 | 1999-12-28 | Fuji Photo Optical Co., Ltd. | Built-in flash camera |
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- 2011-12-21 WO PCT/CN2011/084343 patent/WO2013071671A1/en active Application Filing
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| CN1090064A (en) * | 1992-10-23 | 1994-07-27 | 三星航空产业株式会社 | Can detect the camera and the control method thereof of deficiency in light quantity of flash |
| US6009282A (en) * | 1995-06-13 | 1999-12-28 | Fuji Photo Optical Co., Ltd. | Built-in flash camera |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103714335A (en) * | 2013-12-13 | 2014-04-09 | 柳州市蓝海科技有限公司 | Golf club head recognition device |
| CN104113702A (en) * | 2014-07-25 | 2014-10-22 | 北京智谷睿拓技术服务有限公司 | Flash control method and device and image collection method and device |
| CN104853109A (en) * | 2015-04-30 | 2015-08-19 | 广东欧珀移动通信有限公司 | Flashing automatically adjusting method and shooting terminal |
| CN104853109B (en) * | 2015-04-30 | 2018-05-29 | 广东欧珀移动通信有限公司 | A kind of method and camera terminal for automatically adjusting flash of light |
| CN104980657A (en) * | 2015-06-29 | 2015-10-14 | 青岛海信移动通信技术股份有限公司 | Method and photographing device performing photographing by using flash lamp |
| CN105245714A (en) * | 2015-10-23 | 2016-01-13 | 上海斐讯数据通信技术有限公司 | Proximity-sensor-based smartphone flash fast switching method and system |
| CN106357986A (en) * | 2016-09-26 | 2017-01-25 | 维沃移动通信有限公司 | Soft-light lamp brightness control method and electronic equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2013071671A1 (en) | 2013-05-23 |
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Application publication date: 20130522 |