CN107302669A - Light compensation method, device and mobile terminal - Google Patents
Light compensation method, device and mobile terminal Download PDFInfo
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- CN107302669A CN107302669A CN201710743095.XA CN201710743095A CN107302669A CN 107302669 A CN107302669 A CN 107302669A CN 201710743095 A CN201710743095 A CN 201710743095A CN 107302669 A CN107302669 A CN 107302669A
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- light
- light filling
- color value
- value
- colour
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/70—Circuitry for compensating brightness variation in the scene
- H04N23/74—Circuitry for compensating brightness variation in the scene by influencing the scene brightness using illuminating means
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The invention discloses a kind of light compensation method, device and mobile terminal, wherein, this method includes：The depth of field range information of shot subject in the Lighting information and focusing area of collecting unit collection environment；According to the Lighting information and depth of field range information collected, the colour temperature or color value of focusing area are obtained；The colour temperature or color value of the focusing area got are matched with mapping table, the first light filling color value is obtained, and determine that the light compensating lamp of multiple different-colours carries out current value and the light filling time of light filling according to the first light filling color value；When receiving manual Regulate signal, the second light filling color value is obtained according to manual Regulate signal, and redefine current value and light filling time that the light compensating lamp of multiple different-colours carries out light filling.The present invention can provide the supplementary lighting sources of different-colour, make the color rendition of shot subject more natural, and personage's colour of skin is no longer colder, more truly.
Description
Technical field
The present invention relates to technical field of mobile terminals, more particularly to a kind of light compensation method, device and mobile terminal.
Background technology
Existing mobile terminal device, is equipped with light compensating lamp, such as flash lamp substantially.Due to the colour temperature of single light compensating lamp
It is constant, it is impossible to provide different light filling schemes for different scenes, and conventional light compensating lamp colour temperature mostly in 5100K~6100K
Between, the light filling under dim light can cause subject that colder tone is presented, and effect of taking pictures is bad, be autodyned especially for proactive
For person, ruddy, the real colour of skin is even more the target requirement of user, therefore in order to lift light filling effect, be commonly equipped with two or
The light compensating lamp of more than two different-colours.
Existing light filling mode is mostly according to AWB, and the light that the light compensating lamp of different-colour is sent carries out simple
Synthesis, light filling is carried out according to the light filling colour temperature that fixes, and this mode can only simply carry out light filling and highlight, when being shone
When body color is inaccurate or not soft, user can not be corrected by light filling, be beautified, it is impossible to be changed after light filling by license-master
The color that body is presented in photo.
The content of the invention
In order to solve problem of the prior art, the embodiments of the invention provide a kind of light compensation method, device and mobile terminal.
The technical scheme is as follows：
On the one hand there is provided a kind of light compensation method, including：
The depth of field range information of shot subject in the Lighting information and focusing area of collecting unit collection environment；
According to the Lighting information and the depth of field range information collected, the colour temperature or face of the focusing area are obtained
Colour；
The colour temperature or color value of the focusing area got are matched with mapping table, the first light filling color is obtained
Value, and when determining that the light compensating lamp of multiple different-colours carries out the current value and light filling of light filling according to the first light filling color value
Between；
When receiving manual Regulate signal, according to the second light filling color value of the manual Regulate signal acquisition, and according to
The second light filling color value redefines current value and the light filling time of the light compensating lamp progress light filling of the multiple different-colour.
Further, the collecting unit includes front camera, environment light detecting sensors, range sensor or infrared
One or more in sensor.
Further, the color value is feux rouges, green glow, the brightness value of blue light.
On the other hand there is provided a kind of light compensating apparatus, including：
The depth of field range information of shot subject in collecting unit, the Lighting information and focusing area for gathering environment；
First acquisition unit, for according to the Lighting information and the depth of field range information collected, obtaining described
The colour temperature or color value of focusing area；
A second acquisition unit, for the colour temperature or color value of the focusing area got and mapping table to be carried out
Match somebody with somebody, obtain the first light filling color value；
Unit is automatically determined, for according to the first light filling color value, determining the light compensating lamp of the multiple different-colour
Carry out current value and the light filling time of light filling；
Manually determined unit, when receiving manual Regulate signal, the manually determined unit is used to receive manual regulation
Signal, obtains the second light filling color value, and redefine according to the second light filling color value according to the manual Regulate signal
The light compensating lamp of the multiple different-colour carries out current value and the light filling time of light filling.
Further, the collecting unit includes front camera, environment light detecting sensors, range sensor or infrared
One or more in sensor.
Further, the color value is feux rouges, green glow, the brightness value of blue light.
There is provided a kind of mobile terminal, including described light compensating apparatus for another further aspect.
The beneficial effect that technical scheme provided in an embodiment of the present invention is brought is：
The present invention is matched by obtaining the light filling information in light filling environment, and by the light filling information with mapping table, is obtained
To light filling scheme, and then the current value of the built-in different-colour light compensating lamp of regulation and light filling time, there is provided the light filling of different-colour
Light source, makes the color rendition of shot subject more natural, and personage's colour of skin is no longer colder, more truly.
Brief description of the drawings
Technical scheme in order to illustrate the embodiments of the present invention more clearly, makes required in being described below to embodiment
Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for
For those of ordinary skill in the art, on the premise of not paying creative work, other can also be obtained according to these accompanying drawings
Accompanying drawing.
Fig. 1 is a kind of light compensation method flow chart of steps that the embodiment of the present invention one is provided；
Fig. 2 is a kind of light compensating apparatus schematic diagram that the embodiment of the present invention two is provided.
Embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing to embodiment party of the present invention
Formula is described in further detail.
Embodiment one
The embodiments of the invention provide a kind of light compensation method, referring to Fig. 1, the light compensation method includes：
S101：The depth of field range information of shot subject in the Lighting information and focusing area of collecting unit collection environment.
In the present embodiment, the quantity of required light compensating lamp is more than or equal to two, and each light compensating lamp colour temperature not
It is identical.It with obtaining Lighting information and can obtain the device of depth of field range information, for example, can be preposition that collecting unit, which is,
Camera, when user, which clicks on, to take pictures, front camera first gathers the Lighting information of shooting environmental, such as current environment it is different away from
Brightness and colour temperature from scope；When user focuses to shooting main body, it is flower for example to shoot main body, and front camera is also
The depth of field distance of flower in focusing area will be gathered, collecting unit is collected after above- mentioned information, and above- mentioned information is sent into analysis
Unit, such as acquiring unit, acquiring unit will be analyzed above- mentioned information, and then the letter after acquiring needed for step
Breath.
In the present embodiment, the collecting unit include front camera, environment light detecting sensors, range sensor or
One or more in infrared sensor, for example, collecting unit can be front camera and environment light detecting sensors, it is preposition
Camera and environment light detecting sensors can gather the depth of field of shot subject in the Lighting information and focusing area of environment
Range information, it is to be collected after the completion of, the result that can be collected to both is analyzed respectively, then analysis result is averaged,
Step information needed after S101 is obtained, step information needed after S101 can also be calculated according to different weighted values.It is above-mentioned
Processing mode can also be applied to the collecting unit being made up of other combinations, for example, detected by front camera, ambient light
The collecting unit of sensor and range sensor composition.
S102：According to the Lighting information and the depth of field range information collected, the color of the focusing area is obtained
Temperature or color value.
Specifically, above-mentioned Lighting information contains brightness and the colour temperature of the light in each distance range, according to above-mentioned scape
Deep range information, can obtain the brightness and colour temperature of the depth of field distance range, and as the colour temperature and face of focusing area
Colour is, it is necessary to which explanation, above-mentioned brightness can obtain color value by simple conversion.
In this step, above-mentioned colour temperature or color value represent the environmental information of focusing area, and it will be used as follow-up adjustment
The basis of light compensating lamp light filling scheme.Specifically, above-mentioned color value can use rgb color pattern, and rgb color pattern is industry
A kind of color standard on boundary, be by red (R), green (G), the change of blue (B) three Color Channels and they each other
Superposition obtain miscellaneous color, RGB is the color for representing three passages of red, green, blue, this standard is almost wrapped
The all colours that human eyesight can perceive have been included, have been at present with one of most wide color system.
In the present embodiment, the color value is feux rouges R, green glow G, blue light B brightness value.Such as R, G, B are 813,
512,752 or 836,512,743.
S103：The colour temperature or color value of the focusing area got are matched with mapping table, the first benefit is obtained
Light color value, and determine that the light compensating lamp of multiple different-colours carries out the current value and benefit of light filling according to the first light filling color value
Between light time.
In this step, above-mentioned mapping table is that AWB (AWB) light filling compensates table, such as following table one.
Table one
In Table 1, light filling color value is and the pre-set benefit according to the different color value of focusing area or colour temperature
Parameter is repaid, when getting the colour temperature of focusing area or color value, it is matched with upper table one, obtained light filling color
Value, as the first light filling color value.
In this step, the light compensating lamp for determining multiple different-colours according to the first light filling color value carries out the electricity of light filling
The step of flow valuve and light filling time is specially：
Pass through current value, the light filling for being obtained the different light filling color values of the actual measurement in the first light filling color value and laboratory
Time is matched, and determines that the light compensating lamp of multiple different-colours carries out current value and the light filling time of light filling, due to each light filling
The colour temperature of lamp is different, therefore when adjusting each light filling lamp current value, the light filling colour temperature of total light compensating lamp can be adjusted.
It should be noted that due to light compensating lamp quantity at least two, therefore, above-mentioned current value is the combination current of lamp group
Value, referring to table two.
Table two
In table two, lamp group currents combination is the combination by taking two light compensating lamps as an example, when light compensating lamp quantity more than two,
Combinations thereof value can carry out relative set.
The light compensating lamp of multiple different-colours to be determined carries out the current value of light filling and after the light filling time, by multiple different-colours
Light compensating lamp carry out light filling current value and the light filling time write-in light compensating lamp driving chip register in, light compensating lamp driving chip
The electric current and duration of many light compensating lamps will be adjusted according to above- mentioned information, so as to provide the supplementary lighting sources of different-colour after mixing.
S104：When receiving manual Regulate signal, the second light filling color value is obtained according to the manual Regulate signal, and
The light compensating lamp for redefining the multiple different-colour according to the second light filling color value carries out the current value and light filling of light filling
Time.
In the present embodiment, the colour temperature of light compensating lamp can also be adjusted manually.
Specifically, manual Regulate signal can adjust the touch signal of colour temperature adjusting slider or the number of input for user
Word signal, manual Regulate signal is changed by system, obtains the second light filling color value corresponding with manual Regulate signal, then will
Current value that second light filling color value light filling color value different from the actual measurement in laboratory is obtained, light filling time are matched,
Determine that the light compensating lamp of multiple different-colours carries out current value and the light filling time of light filling.
The light compensating lamp of multiple different-colours to be determined carries out the current value of light filling and after the light filling time, by multiple different-colours
Light compensating lamp carry out light filling current value and the light filling time write-in light compensating lamp driving chip register in, light compensating lamp driving chip
The electric current and duration of many light compensating lamps will be adjusted according to above- mentioned information, so as to provide the supplementary lighting sources of different-colour after mixing.
The present embodiment is matched by obtaining the light filling information in light filling environment, and by the light filling information with mapping table,
Light filling scheme is obtained, and then the current value of the built-in different-colour light compensating lamp of regulation and light filling time, there is provided the benefit of different-colour
Radiant, makes the color rendition of shot subject more natural, and personage's colour of skin is no longer colder, more truly.
Embodiment two
The embodiments of the invention provide a kind of light compensating apparatus, referring to Fig. 2, the light compensating apparatus includes：
The depth of field distance letter of shot subject in collecting unit 201, the Lighting information and focusing area for gathering environment
Breath；
First acquisition unit 202, for according to the Lighting information and the depth of field range information collected, obtaining institute
State the colour temperature or color value of focusing area；
Second acquisition unit 203, for the colour temperature or color value of the focusing area got and mapping table to be carried out
Matching, obtains the first light filling color value；
Unit 204 is automatically determined, for according to the first light filling color value, determining the light filling of the multiple different-colour
Lamp carries out current value and the light filling time of light filling；
Manually determined unit 205, when receiving manual Regulate signal, the manually determined unit 205 is used to receive hand
Dynamic Regulate signal, the second light filling color value is obtained according to the manual Regulate signal, and according to the second light filling color value weight
Newly determine that the light compensating lamp of the multiple different-colour carries out current value and the light filling time of light filling.
In the present embodiment, the collecting unit 201 includes front camera, environment light detecting sensors, Distance-sensing
One or more in device or infrared sensor.
In the present embodiment, the color value is feux rouges, green glow, the brightness value of blue light.
In the present embodiment, the quantity of above-mentioned light compensating lamp is more than or equal to two, and the colour temperature of each light compensating lamp is differed.
Embodiment three
The embodiments of the invention provide a kind of mobile terminal, including the light compensating apparatus described in embodiment two.
The embodiments of the present invention are for illustration only, and the quality of embodiment is not represented.
Device embodiment described above is only schematical, wherein the unit illustrated as separating component can
To be or may not be physically separate, the part shown as unit can be or may not be physics list
Member, you can with positioned at a place, or can also be distributed on multiple NEs.It can be selected according to the actual needs
In some or all of module realize the purpose of this embodiment scheme.Those of ordinary skill in the art are not paying creativeness
Work in the case of, you can to understand and implement.
Through the above description of the embodiments, those skilled in the art can be understood that each embodiment can
Realized by the mode of software plus required general hardware platform, naturally it is also possible to pass through hardware.Understood based on such, on
The part that technical scheme substantially in other words contributes to prior art is stated to embody in the form of software product, should
Computer software product can be stored in a computer-readable storage medium, such as ROM/RAM, magnetic disc, CD, including some fingers
Order is to cause a computer equipment (can be personal computer, server, or network equipment etc.) to perform each implementation
Method described in some parts of example or embodiment.
The foregoing is only presently preferred embodiments of the present invention, be not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent substitution and improvements made etc. should be included in the scope of the protection.
Claims (7)
1. a kind of light compensation method, it is characterised in that including：
The depth of field range information of shot subject in the Lighting information and focusing area of collecting unit collection environment；
According to the Lighting information and the depth of field range information collected, the colour temperature or color of the focusing area are obtained
Value；
The colour temperature or color value of the focusing area got are matched with mapping table, the first light filling color value is obtained,
And determine that the light compensating lamp of multiple different-colours carries out current value and the light filling time of light filling according to the first light filling color value；
When receiving manual Regulate signal, the second light filling color value is obtained according to the manual Regulate signal, and according to described
Second light filling color value redefines current value and the light filling time of the light compensating lamp progress light filling of the multiple different-colour.
2. light compensation method according to claim 1, it is characterised in that the collecting unit includes front camera, environment
One or more in light detecting sensors, range sensor or infrared sensor.
3. light compensation method according to claim 1, it is characterised in that the color value is feux rouges, green glow, the brightness of blue light
Value.
4. a kind of light compensating apparatus, it is characterised in that including：
The depth of field range information of shot subject in collecting unit, the Lighting information and focusing area for gathering environment；
First acquisition unit, for according to the Lighting information and the depth of field range information collected, obtaining the focusing
The colour temperature or color value in region；
Second acquisition unit, for the colour temperature or color value of the focusing area got to be matched with mapping table, is obtained
To the first light filling color value；
Unit is automatically determined, for according to the first light filling color value, determining that the light compensating lamp of the multiple different-colour is carried out
The current value of light filling and light filling time；
Manually determined unit, when receiving manual Regulate signal, the manually determined unit is used to receive manual Regulate signal,
Second light filling color value is obtained according to the manual Regulate signal, and redefined according to the second light filling color value described many
The light compensating lamp of individual different-colour carries out current value and the light filling time of light filling.
5. light compensating apparatus according to claim 4, it is characterised in that the collecting unit includes front camera, environment
One or more in light detecting sensors, range sensor or infrared sensor.
6. light compensating apparatus according to claim 4, it is characterised in that the color value is feux rouges, green glow, the brightness of blue light
Value.
7. a kind of mobile terminal, it is characterised in that including the light compensating apparatus described in claim 4-6 any one.
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| CN201710743095.XA CN107302669A (en) | 2017-08-25 | 2017-08-25 | Light compensation method, device and mobile terminal |
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| CN107613222A (en) * | 2017-10-31 | 2018-01-19 | 努比亚技术有限公司 | Light filling adjusting method, terminal and the computer-readable recording medium of a kind of terminal |
| CN107809599A (en) * | 2017-11-16 | 2018-03-16 | 维沃移动通信有限公司 | A kind of light compensation method and device and mobile terminal |
| CN108460884A (en) * | 2018-04-11 | 2018-08-28 | 深圳市欣视景科技股份有限公司 | Intelligent instrument manages cabinet |
| CN109104522A (en) * | 2018-06-27 | 2018-12-28 | 维沃移动通信有限公司 | A kind of method and mobile terminal of recognition of face |
| CN109449191A (en) * | 2018-11-23 | 2019-03-08 | 合肥京东方光电科技有限公司 | A kind of OLED display panel and its control method, display device |
| CN111800568A (en) * | 2020-08-06 | 2020-10-20 | 珠海格力电器股份有限公司 | Light supplement method and device |
| WO2021082569A1 (en) * | 2019-11-01 | 2021-05-06 | 深圳创维－Rgb电子有限公司 | Light compensation method for capturing picture, intelligent television and computer readable storage medium |
| CN116132781A (en) * | 2023-04-18 | 2023-05-16 | 深圳市谨讯科技有限公司 | Micro-distance light supplementing method, micro-distance light supplementing device, computer equipment and storage medium |
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| CN111800568A (en) * | 2020-08-06 | 2020-10-20 | 珠海格力电器股份有限公司 | Light supplement method and device |
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| CN116132781A (en) * | 2023-04-18 | 2023-05-16 | 深圳市谨讯科技有限公司 | Micro-distance light supplementing method, micro-distance light supplementing device, computer equipment and storage medium |
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