CN104202586B - Method for increasing white balance judgment accuracy and device thereof - Google Patents
Method for increasing white balance judgment accuracy and device thereof Download PDFInfo
- Publication number
- CN104202586B CN104202586B CN201410392645.4A CN201410392645A CN104202586B CN 104202586 B CN104202586 B CN 104202586B CN 201410392645 A CN201410392645 A CN 201410392645A CN 104202586 B CN104202586 B CN 104202586B
- Authority
- CN
- China
- Prior art keywords
- camera
- values
- temperature value
- gray card
- color temperature
- 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
Links
Landscapes
- Color Television Image Signal Generators (AREA)
- Processing Of Color Television Signals (AREA)
Abstract
The invention is suitable for the technical field of communication, and provides a method for increasing white balance judgment accuracy and a device thereof. The method comprises: a step of acquiring a first R/G value and a first B/G value: reading the first R/G value and the first B/G value of current external light rays irradiated onto a gray card through a first camera; a step of acquiring a first color temperature value: reading the first color temperature value corresponding to the first R/G value and the first B/G value in a pre-stored first standard color temperature value table of the first camera according to the first R/G value and the first B/G value; and a step of acquiring a second R/G value and a second B/G value: reading the second R/G value and the second B/G value corresponding to the first color temperature value in a pre-stored second standard color temperature value table of a second camera according to the first color temperature value by using the second camera, and judging the white balance of the second camera according to the second R/G value and the second B/G value. Through adoption of the method and the device, the white balance judgment accuracy of a shooting device is increased.
Description
Technical field
The present invention relates to communication technical field, more particularly to it is a kind of improve device white balance judge accuracy method and its
Device.
Background technology
Filming apparatus currently on the market are all the R/G values by the muted color captured by statistics in picture, and B/G values are carried out
Judge white balance.So-called muted color is exactly such as grey, or white, black, wherein these R:G:B ratios are 1：1：1 color.
This way of white balance is judged in the complicated scene of light, or be pure color in background colour or be easy to when lack muted color
Error, so that cause whole picture colour cast so that image quality decrease.And it is actual during the use of filming apparatus, 90%
More than will be the scene for mixing color temperature light sources, and the accurate judgement of high-quality image white balance be it is requisite, only
There is accurate white balance that the color of picture could be allowed accurate, true；Image color could be allowed more lively.
But, existing filming apparatus, such as some cameras or mobile phone are difficult to when being shot, all accurately
White balance judge, therefore, shooting image will be caused of low quality.
In summary, existing white balance decision technology there will naturally be inconvenience and defect in actual use, so have must
To be improved.
The content of the invention
For above-mentioned defect, it is an object of the invention to provide a kind of improve method and the side that white balance judges accuracy
Method, judges accuracy with the white balance for improving filming apparatus.
To achieve these goals, the present invention provides a kind of method for improving white balance judgement accuracy, including：
First R/G values and B/G value obtaining steps, read current outside light by the first camera and are radiated at gray card
On R/G values and B/G values；
First color temperature value obtaining step, according to R/G values and B/G values, reads described first for prestoring and takes the photograph
As the R/G values in the first reference colour temperature value table of head and corresponding first color temperature value of B/G values；
2nd R/G values and the 2nd B/G value obtaining steps, second camera read what is prestored according to first color temperature value
The corresponding 2nd R/G values of first color temperature value and the 2nd B/G values in second reference colour temperature value table of the second camera,
And the white balance of the second camera is judged according to the 2nd R/G values and the 2nd B/G values.
According to described method, methods described also includes：
The gray card is arranged at into the near-end of first camera and second camera；
Between the gray card and first camera, convex lens are set；
The first R/G values and B/G value obtaining steps include：
It is by first camera towards the gray card and the visual angle of first camera is solid by the convex lens
It is scheduled in the gray card；
First camera reads current outside light and is radiated at R/G values and B/G values in the gray card.
According to described method, first camera, the gray card and the second camera are in same plane
It is interior；
The direction of first camera is mutually perpendicular to the direction of the second camera.
According to described method, also included before R/G values and B/G value obtaining steps：
Under standard test environment, all colour temperatures that first camera reads the gray card are recorded, obtain described the
One reference colour temperature value table；
Under standard test environment, all colour temperatures that the second camera reads the gray card are recorded, obtain described the
Two reference colour temperature value tables；
The first reference colour temperature value table and the second reference colour temperature value table are stored in described device.
Method according to any of the above-described, front camera of first camera for described device；Described second
Rear camera of the camera for described device.
In order to realize another goal of the invention of the present invention, present invention also offers a kind of white balance that improves judges accuracy
Device, including：
First camera, for reading R/G values and the B/G values that current outside light is radiated in gray card；
First color temperature value acquisition module, for according to R/G values and B/G values, reading prestore described the
R/G values and corresponding first color temperature value of B/G values in first reference colour temperature value table of one camera；
Second camera, for according to first color temperature value, reading the second standard of the second camera for prestoring
The corresponding 2nd R/G values of first color temperature value and the 2nd B/G values in color temperature value table, and according to the 2nd R/G values and
Two B/G values judge the white balance of the second camera.
According to described device, the gray card is arranged at the near-end of first camera and second camera；
Between the gray card and first camera, convex lens are set；
Described device also includes：
Tuning module, for by first camera towards the gray card, and by the convex lens by described first
The visual angle of camera is fixed in the gray card；
First camera reads current outside light and is radiated at R/G values and B/G values in the gray card.
According to described device, first camera, the gray card and the second camera are in same plane
It is interior；
The direction of first camera is mutually perpendicular to the direction of the second camera.
According to described device, described device also includes：
First acquisition module, reads the institute of the gray card under standard test environment, recording first camera
There is colour temperature, obtain the first reference colour temperature value table；
Second acquisition module, reads the institute of the gray card under standard test environment, recording the second camera
There is colour temperature, obtain the second reference colour temperature value table；
Memory module, for storing the first reference colour temperature value table and the second reference colour temperature value table in described device.
Device according to any of the above-described, front camera of first camera for described device；Described second
Rear camera of the camera for described device.
The present invention reads current outside light by the first camera and is radiated at R/G values and a B/G in gray card
Value；And according to R/G values and B/G values, read described the in the first reference colour temperature value table of the first camera
One R/G values and corresponding first color temperature value of B/G values；The second last camera prestores according to first color temperature value, reading
The second reference colour temperature value table in the corresponding 2nd R/G values of first color temperature value and the 2nd B/G values, and sentenced according to these values
The white balance of the fixed second camera.Hereby it is achieved that determine the colour temperature of current taken image by the first camera, is allowed
Two cameras can more accurately judge white balance according to the colour temperature, particularly white balance be sentenced under the complicated scene of light
It is fixed, obtain higher-quality shooting photo.
Description of the drawings
Fig. 1 is the structure chart of the device that the raising white balance that first embodiment of the invention is provided judges accuracy；
Fig. 2 is the structure chart of the device that the raising white balance that second and third embodiment of the invention is provided judges accuracy；
Fig. 3 A are the structure charts of the device for improving white balance judgement accuracy provided in an embodiment of the present invention；
Fig. 3 B are that the white balance that improves provided in an embodiment of the present invention judges that the white balance decision of the device of accuracy is shown
It is intended to；
Fig. 3 C are that the white balance that improves provided in an embodiment of the present invention judges that the white balance decision of the device of accuracy is shown
It is intended to；
Fig. 3 D are that the white balance that improves provided in an embodiment of the present invention judges that the white balance decision of the device of accuracy is shown
It is intended to；
Fig. 4 is the method flow diagram of the device that the raising white balance that fourth embodiment of the invention is provided judges accuracy.
Specific embodiment
In order that the objects, technical solutions and advantages of the present invention become more apparent, it is below in conjunction with drawings and Examples, right
The present invention is further elaborated.It should be appreciated that specific embodiment described herein is only to explain the present invention, and
It is not used in the restriction present invention.
Referring to Fig. 1, Fig. 3 A～Fig. 3 D, in the first embodiment of the present invention, there is provided a kind of white balance that improves judges accurate
The device 100 of true property, including：
First camera 10, for reading R/G values and the B/G that current outside light is radiated in gray card 40
Value；
First color temperature value acquisition module 30, for according to R/G values and B/G values, it is described that reading prestores
R/G values and corresponding first color temperature value of B/G values in first reference colour temperature value table of the first camera 10；
Second camera 20, for according to first color temperature value, reading the second of the second camera 30 for prestoring
The corresponding 2nd R/G values of first color temperature value and the 2nd B/G values in reference colour temperature value table, and according to the 2nd R/G values
The white balance of the second camera 20 is judged with the 2nd B/G values.
In this embodiment, before the device 100 for improving white balance judgement accuracy shoots, can be to the white flat of the device
Weighing apparatus judgement is adjusted.Specifically, read that current outside light is radiated in gray card 40 by the first camera 10 first first
R/G values and B/G values.Wherein R/G values are Red:Green is (red：It is green) ratio, B/G values be Blue:Green is (blue：It is green)
Ratio.Then the first color temperature value acquisition module 30 reads the first mark for prestoring then according to R/G values and B/G values
R/G values and corresponding first color temperature value of B/G values in quasi- color temperature value table.After the first color temperature value is obtained, the
Two cameras 20 then can be according to first color temperature value, and the color temperature value read in the second reference colour temperature value table for prestoring is corresponding
2nd R/G values and the 2nd B/G values.Finally, according to the 2nd R/G values and the 2nd B/G values, second camera 20 judges that current second takes the photograph
The white balance of picture 20.First reference colour temperature value table and the second reference colour temperature value table are to be stored in advance in raising white balance to judge accurate
The reference colour temperature value table of two cameras in the device 100 of true property, therefore, by first obtaining the first camera 10 current outer
Under boundary's light, the R/G values and B/G values in gray card 40 can find its correspondence in the first reference colour temperature value table
Color temperature value, by according to the color temperature value can inquire in the second reference colour temperature value table for second camera 20
The 2nd R/G values and the 2nd B/G values, judgement white balance is carried out according to the 2nd R/G values and the 2nd B/G values, can be substantially improved
The accuracy of camera white balance under complex light, particularly during existing filming apparatus use, more than 90% can all be
In the case of complex light so that improve white balance and judge that the device 100 of accuracy can be obtained under any scene accurately
Color temperature value so that shoot photo image quality and greatly improve.
Referring to Fig. 2 and Fig. 3 A～Fig. 3 D, in the second embodiment of the present invention, gray card 40 is arranged at first camera
10 and the near-end of second camera 20；
Convex lens 1 are set between the gray card 40 and first camera 10；
Tuning module 50, for by first camera 10 towards the gray card 40, and by the convex lens 1 by institute
The visual angle for stating the first camera 10 is fixed in the gray card 40；
First camera 10 reads current outside light and is radiated at R/G values and a B/ in the gray card 40
G values.
Gray card 40 is international standard colour atla, be can be used in blank level adjustment.In this embodiment, gray card 40 is arranged at first
The near-end of camera 10 and second camera 20；Gray card 40 is it is possible thereby to by the first camera 10, second camera 20 and gray card
Under identical external world photoenvironment.And convex lens 1 are set between gray card 40 and the first camera 10, it is possible to achieve will
The shooting visual angle orientation gray card 40 of the first camera 10.Convex lens 1 can be telephoto lens.Specifically, tuning module 50 then will
First camera 10 is towards the gray card 40, and fixes the visual angle of first camera 10 by the convex lens 1
In the gray card 40.As shown in figure 3, the concrete structure of the device 100 of accuracy is judged according to raising white balance, described first
Front camera of the camera 10 for described device；Rear camera of the second camera 20 for described device.Tuning module 50
First camera 10 is rotated to into rear side and is rotated to towards the 100 side button of device for improving white balance judgement accuracy again
Direction, i.e. the first camera 10, gray card 40 and second camera 20 are in same plane；The direction of the first camera 10 with
The direction of the second camera 30 is mutually perpendicular to.Thus, it is possible to by the first camera 10, second camera 20, gray card 40
Under identical external world photoenvironment.
Referring to Fig. 2, in the third embodiment of the present invention, described device also includes：
First acquisition module 60, reads the gray card under standard test environment, recording first camera 10
40 all colour temperatures, obtain the first reference colour temperature value table；
Second acquisition module 70, reads the gray card under standard test environment, recording the second camera 20
40 all colour temperatures, obtain the second reference colour temperature value table；
Memory module 80, for storing the first reference colour temperature value table and the second reference colour temperature value table in described device.
In this embodiment, need to carry out the first camera 10 and second camera 20 system of reference colour temperature value table in advance
Make.Therefore, under standard test environment, as in the lab debug after the first camera 10 and second camera 20 are read into institute
The color temperature value table for stating gray card 40 is adjusted.Thus, the reference table for judging white balance will be obtained.To realize second camera 20
Judge the accuracy of white balance.
In above-mentioned multiple embodiments, improve white balance and judge that the device 100 of accuracy can be mobile phone, PDA
The communicator such as (Personal Digital Assistant, personal digital assistant), panel computer, and improve white balance and sentence
It can be the software unit for being built in the device to determine multiple first, second cameras in the device 100 of accuracy and module, firmly
Part unit or software and hardware combining unit.
In addition, as shown in Figure 3A, the preferred white balance that improves judges the device 100 of accuracy as mobile phone, the first camera
10 is front camera, and second camera 20 is rear camera.Shown in Fig. 3 A～Fig. 3 D, accuracy is judged white balance is improved
During, as shown in Fig. 3 B and Fig. 3 C, front camera is gone to the back side of mobile phone first, then rotated again to pressing towards mobile phone side
The direction of key, will mobile phone front camera to the left inner side be rotated by 90 °；As shown in Figure 3 D, by convex lens 1 by front camera
Visual angle be fixed in gray card 40.It is of course also possible to the first camera 10 is rear camera, second camera 20 is proactive picture
Head.Also, improve white balance and judge that the device 100 of accuracy includes multiple cameras.
Referring to Fig. 4, Fig. 3 A～Fig. 3 D, in the fourth embodiment of the present invention, there is provided a kind of white balance that improves judges accurate
The method of true property, including：
In step S401, current outside light is read by the first camera 10 and is radiated at the R/G values in gray card 40
With B/G values；The step is R/G values and B/G value obtaining steps；
In step S402, the first color temperature value acquisition module 30 prestores according to R/G values and B/G values, reading
First camera 10 the first reference colour temperature value table in R/G values and corresponding first color of B/G values
Temperature value；The step is the first color temperature value obtaining step；
In step S403, second camera 20 reads the second camera 20 for prestoring according to first color temperature value
The second reference colour temperature value table in the corresponding 2nd R/G values of first color temperature value and the 2nd B/G values, and according to described second
R/G values and the 2nd B/G values judge the white balance of the second camera 20.The step is that the 2nd R/G values and the 2nd B/G values are obtained
Step.
In this embodiment, the colour temperature of current taken image is determined using the first camera 10, allows 20 energy of second camera
It is enough that white balance, the particularly judgement under the complicated scene of light are more accurately judged according to the colour temperature, to obtain higher quality
Photo.Preferably, front camera of first camera 10 for described device；After the second camera 20 is described device
Camera.
In the fifth embodiment of the present invention, methods described also includes：
The gray card 40 is arranged at into the near-end of first camera 10 and second camera 20；
Convex lens 1 are set between the gray card 40 and first camera 10；
The first R/G values and B/G value obtaining steps include：
By first camera 10 towards the gray card 40, and pass through the convex lens 1 by first camera 10
Visual angle be fixed in the gray card 40；
First camera 10 reads current outside light and is radiated at R/G values and a B/ in the gray card 40
G values.
In this embodiment, need gray card 40 is arranged at the near-end of first camera 10 and second camera 30；
So that gray card 40, the first camera 10 and second camera 20 are under identical ambient irradiation environment.Simultaneously described
Convex lens 1 are set between gray card 40 and first camera 10, and tuning module 50 is by first camera 10 towards described
Gray card 40, makes the convex lens 1 that the visual angle of first camera 10 is fixed in gray card 40.First camera 10 reads works as
Front ambient is radiated at R/G values and B/G values in the gray card 40, to obtain current second shooting according to the value
The color temperature value of 10 shooting environmentals.Preferably, at first camera 10, the gray card 40 and the second camera 20
In same plane；The direction of first camera 10 is mutually perpendicular to the direction of the second camera 20.So can be with
R/G values and B/G values are determined accurately, to determine the color temperature value of 20 shooting environmental of current second camera.
In the sixth embodiment of the present invention, also included before R/G values and B/G value obtaining steps：
Under standard test environment, all colour temperatures that first camera 10 reads the gray card 40 are recorded, obtain institute
State the first reference colour temperature value table；
Under standard test environment, all colour temperatures that the second camera 20 reads the gray card 40 are recorded, obtain institute
State the second reference colour temperature value table；
The first reference colour temperature value table and the second reference colour temperature value table are stored in described device.
In this embodiment, due to when white balance is judged, needing to allow the first camera 10 to convex lens 1, and passing through
Convex lens 1 (or being understood as telephoto lens) allow the first camera 10 visual angle in be entirely gray card 40, now extraneous light is penetrated
In gray card 40, the first camera 10 can read R/G, the value of B/G.But must be with this first camera 10 before this
R/G is recorded under each colour temperature all against this gray card 40, then values of the B/G under each colour temperature go to look into this R/G, the table of B/G
To determine current colour temperature.Accordingly, it would be desirable to beforehand through the first acquisition module 60, the second acquisition module 70 obtains the number of correlation
Value, sets up the first reference colour temperature value table, the second reference colour temperature value table, and memory module 80 is stored in raising white balance and judges accurate
The device 100 of property.And second camera 20 obtains current color temperature value, it is possible to after the color meter with lookup second camera 20
The color meter of camera finds R/G, the value of B/G such that it is able to which more accurately reduction shoots the color of photo.Wherein described standard
It is under the debugging enironment of laboratory under test environment.
In sum, the present invention reads current outside light by the first camera and is radiated at the R/G values in gray card
With B/G values；And according to R/G values and B/G values, read in the first reference colour temperature value table of the first camera
R/G values and corresponding first color temperature value of B/G values；The second last camera according to first color temperature value,
The corresponding 2nd R/G values of first color temperature value and the 2nd B/G values in the second reference colour temperature value table that reading prestores, and according to
These values judge the white balance of the second camera.Hereby it is achieved that determining current taken image by the first camera
Colour temperature, allows second camera more accurately judge white balance according to the colour temperature, particularly right under the complicated scene of light
The judgement of white balance, obtains higher-quality shooting photo.
Certainly, the present invention can also have other various embodiments, in the case of without departing substantially from spirit of the invention and its essence, ripe
Know those skilled in the art and work as and various corresponding changes and deformation, but these corresponding changes and change can be made according to the present invention
Shape should all belong to the protection domain of appended claims of the invention.
Claims (10)
1. it is a kind of to improve the method that white balance judges accuracy, it is characterised in that to include：
First R/G values and B/G value obtaining steps, read current outside light by the first camera and are radiated in gray card
First R/G values and B/G values；
First color temperature value obtaining step, according to R/G values and B/G values, reads first camera for prestoring
The first reference colour temperature value table in R/G values and corresponding first color temperature value of B/G values；
2nd R/G values and the 2nd B/G value obtaining steps, according to first color temperature value, it is described that reading prestores second camera
The corresponding 2nd R/G values of first color temperature value and the 2nd B/G values in second reference colour temperature value table of second camera, and root
The white balance of the second camera is judged according to the 2nd R/G values and the 2nd B/G values；
First camera is arranged in same terminal with the second camera.
2. method according to claim 1, it is characterised in that methods described also includes：
The gray card is arranged at into the near-end of first camera and second camera；
Between the gray card and first camera, convex lens are set；
The first R/G values and B/G value obtaining steps include：
By first camera towards the gray card, and the visual angle of first camera is fixed on by the convex lens
In the gray card；
First camera reads current outside light and is radiated at R/G values and B/G values in the gray card.
3. method according to claim 2, it is characterised in that first camera, the gray card and described second
Camera is in same plane；
The direction of first camera is mutually perpendicular to the direction of the second camera.
4. method according to claim 1, it is characterised in that R/G values and a B/G values obtaining step it
It is front also to include：
Under standard test environment, all colour temperatures that first camera reads the gray card are recorded, obtain first mark
Quasi- color temperature value table；
Under standard test environment, all colour temperatures that the second camera reads the gray card are recorded, obtain second mark
Quasi- color temperature value table；
In the first reference colour temperature value table described in the terminal storage and the second reference colour temperature value table.
5. the method according to any one of Claims 1 to 4, it is characterised in that first camera is the terminal
Front camera；The second camera is the rear camera of the terminal.
6. it is a kind of to improve the device that white balance judges accuracy, it is characterised in that to include：
First camera, for reading R/G values and the B/G values that current outside light is radiated in gray card；
First color temperature value acquisition module, for according to R/G values and B/G values, reading described first for prestoring and taking the photograph
As the R/G values in the first reference colour temperature value table of head and corresponding first color temperature value of B/G values；
Second camera, for according to first color temperature value, reading the second standard color temperature of the second camera for prestoring
The corresponding 2nd R/G values of first color temperature value and the 2nd B/G values in value table, and according to the 2nd R/G values and the 2nd B/G
Value judges the white balance of the second camera；
First camera is arranged in same terminal with the second camera.
7. device according to claim 6, it is characterised in that the gray card is arranged at first camera and second and takes the photograph
As the near-end of head；
Between the gray card and first camera, convex lens are set；
Described device also includes：
Tuning module, for by first camera towards the gray card, and by the convex lens will described first image
The visual angle of head is fixed in the gray card；
First camera reads current outside light and is radiated at R/G values and B/G values in the gray card.
8. device according to claim 7, it is characterised in that first camera, the gray card and described second
Camera is in same plane；
The direction of first camera is mutually perpendicular to the direction of the second camera.
9. device according to claim 6, it is characterised in that described device also includes：
First acquisition module, the institute under standard test environment, recording the first camera reading gray card are coloured
Temperature, obtains the first reference colour temperature value table；
Second acquisition module, the institute under standard test environment, recording the second camera reading gray card are coloured
Temperature, obtains the second reference colour temperature value table；
Memory module, for storing the first reference colour temperature value table and the second reference colour temperature value table in described device.
10. the device according to any one of claim 6～9, it is characterised in that first camera is described device
Front camera；Rear camera of the second camera for described device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410392645.4A CN104202586B (en) | 2014-08-11 | 2014-08-11 | Method for increasing white balance judgment accuracy and device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410392645.4A CN104202586B (en) | 2014-08-11 | 2014-08-11 | Method for increasing white balance judgment accuracy and device thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104202586A CN104202586A (en) | 2014-12-10 |
| CN104202586B true CN104202586B (en) | 2017-03-22 |
Family
ID=52087805
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410392645.4A Active CN104202586B (en) | 2014-08-11 | 2014-08-11 | Method for increasing white balance judgment accuracy and device thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104202586B (en) |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104618645B (en) * | 2015-01-20 | 2018-01-23 | 广东欧珀移动通信有限公司 | A kind of method and device shot using dual camera |
| CN104683780B (en) * | 2015-03-24 | 2017-01-04 | 广东本致科技有限公司 | The auto white balance method of a kind of video monitoring camera and device |
| CN105657392A (en) * | 2015-04-30 | 2016-06-08 | 宇龙计算机通信科技(深圳)有限公司 | Image processing method and electronic equipment |
| CN105100764B (en) * | 2015-06-26 | 2018-03-16 | 小米科技有限责任公司 | Image pickup method and device |
| CN105227945B (en) * | 2015-10-21 | 2017-05-17 | 维沃移动通信有限公司 | Automatic white balance control method and mobile terminal |
| CN106370398B (en) * | 2016-09-23 | 2019-02-22 | 北京小米移动软件有限公司 | Flash lamp acceptance method and device |
| CN106534814B (en) * | 2016-10-12 | 2019-01-18 | 成都西纬科技有限公司 | A kind of method and apparatus that dual camera picture quality is synchronous |
| CN106713887B (en) * | 2017-01-03 | 2018-11-20 | Tcl通讯科技（成都）有限公司 | Mobile terminal and white balance adjusting method |
| CN106954051B (en) * | 2017-03-16 | 2018-07-06 | 广东欧珀移动通信有限公司 | A kind of image processing method and mobile terminal |
| CN109151426B (en) * | 2017-06-28 | 2020-05-22 | 杭州海康威视数字技术股份有限公司 | White balance adjusting method and device, camera and medium |
| CN111492653B (en) * | 2017-09-30 | 2023-06-16 | 深圳传音通讯有限公司 | Method and device for quickly adjusting white balance of camera and computer readable storage medium |
| CN109379575B (en) * | 2018-11-28 | 2020-06-30 | 维沃移动通信（杭州）有限公司 | White balance processing method and mobile terminal |
| CN109218561A (en) * | 2018-11-30 | 2019-01-15 | 豪威科技(上海)有限公司 | The synchronous method and device of multi-cam |
| CN110611803A (en) * | 2019-09-03 | 2019-12-24 | 珠海格力电器股份有限公司 | Color temperature estimation method and device and computer readable medium |
| CN112492191B (en) * | 2020-12-18 | 2022-02-18 | 浙江大华技术股份有限公司 | Image acquisition method, device, equipment and medium |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103402102A (en) * | 2013-07-17 | 2013-11-20 | 广东欧珀移动通信有限公司 | Double-camera picture pick-up system and white balance adjustment method and device thereof |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6175693A (en) * | 1984-09-21 | 1986-04-18 | Hitachi Ltd | Adjusting circuit of digital white balance |
| JPH01309490A (en) * | 1988-06-07 | 1989-12-13 | Olympus Optical Co Ltd | Automatic white balance system |
| CN1202491C (en) * | 2000-12-28 | 2005-05-18 | 金宝电子工业股份有限公司 | White balancing treatment method for digital image pick-up |
| JP2009105579A (en) * | 2007-10-22 | 2009-05-14 | Sony Corp | Color signal processing circuit, image pickup apparatus, and color signal processing method |
-
2014
- 2014-08-11 CN CN201410392645.4A patent/CN104202586B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103402102A (en) * | 2013-07-17 | 2013-11-20 | 广东欧珀移动通信有限公司 | Double-camera picture pick-up system and white balance adjustment method and device thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104202586A (en) | 2014-12-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104202586B (en) | Method for increasing white balance judgment accuracy and device thereof | |
| Pierson et al. | Tutorial: luminance maps for daylighting studies from high dynamic range photography | |
| JP6946188B2 (en) | Methods and equipment for multi-technology depth map acquisition and fusion | |
| CN104904197B (en) | Camera head and abnormal dip incident illumination detection method | |
| US9451187B2 (en) | Lens shading calibration for cameras | |
| TWI454139B (en) | High dynamic range transition | |
| US20130021484A1 (en) | Dynamic computation of lens shading | |
| US20160088278A1 (en) | Multi-led camera flash for color temperature matching | |
| CN108174172B (en) | Image pickup method and device, computer readable storage medium and computer equipment | |
| CN106226976B (en) | A kind of dual camera image pickup method, system and terminal | |
| CN107707789B (en) | Method, computing device and storage medium for providing a color high resolution image of a scene | |
| CN105306916A (en) | Image pickup apparatus that performs white balance control and method of controlling the same | |
| CN109218627A (en) | Image processing method, device, electronic equipment and storage medium | |
| CN104349033A (en) | Self-timer light supplement method, self-timer light supplement device and electronic equipment | |
| CN103227928A (en) | White balance adjusting method and device | |
| CN108351199A (en) | Information processing unit, information processing method and program | |
| US20160050357A1 (en) | Imaging device shooting a common subject in synchronization with other imaging devices | |
| CN108419009A (en) | Image definition enhancing method and device | |
| CN104394325B (en) | A kind of image processing method and camera | |
| CN113676715B (en) | Image processing method and device | |
| CN109587466A (en) | The method and apparatus of colored shadow correction | |
| CN104427322A (en) | Information processing device, imaging device, information processing method, and program | |
| CN109788278B (en) | Camera glare testing method and glare collecting device thereof | |
| CN111551265B (en) | Color temperature measuring method and color temperature measuring device | |
| CA2769367C (en) | Simulated incident light meter on a mobile device for photography/cinematography |
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 |