CN105842956A - Flashlight control method, device and terminal equipment - Google Patents
Flashlight control method, device and terminal equipment Download PDFInfo
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- CN105842956A CN105842956A CN201610368062.7A CN201610368062A CN105842956A CN 105842956 A CN105842956 A CN 105842956A CN 201610368062 A CN201610368062 A CN 201610368062A CN 105842956 A CN105842956 A CN 105842956A
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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
- G03B15/00—Special procedures for taking photographs; Apparatus therefor
- G03B15/02—Illuminating scene
- G03B15/03—Combinations of cameras with lighting apparatus; Flash units
- G03B15/05—Combinations of cameras with electronic flash apparatus; Electronic flash units
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Abstract
The invention provides a flashlight control method, device and terminal equipment. The method comprises the following steps: acquiring a current distance value between a target object and the terminal equipment; determining a current value corresponding to the current distance value according to a relationship between a preset current and a distance; and adjusting a working current of a flashlight according to the current value. Through the flashlight control method, device and the terminal equipment provided by the invention, the working current of the flashlight can be adjusted dynamically along with the distance between the target object and the terminal equipment, the exposure effect of the target object under different distances can be guaranteed to be consistent, the performance of a camera in the terminal equipment can be improved, and the user experience can be improved.
Description
Technical field
The application relates to communication technical field, particularly relates to a kind of flash lamp control method, device and terminal device.
Background technology
At present, terminal device is all integrated with camera function so that people can utilize terminal to realize camera function.And terminal
Equipment is also equipped with flash lamp so that under dark surrounds, still can discharge photo, but the electric current of current flash lamp is
Fixing, this makes the effect taken pictures poor.
Summary of the invention
One of technical problem that the application is intended to solve in correlation technique the most to a certain extent.
To this end, the first of the application purpose is to propose a kind of flash lamp control method, the method achieve the work of flash lamp
Make electric current dynamically to adjust with the distance between object and terminal device, it is ensured that the exposure effect one of the object under different distance
Cause, improve the performance of camera in terminal device, improve Consumer's Experience.Second purpose of the application is to propose
A kind of device for controlling flashlight.
3rd purpose of the application is to propose a kind of terminal device.
4th purpose of the application is to propose another kind of terminal device.
For reaching above-mentioned purpose, the application first aspect embodiment proposes a kind of motor control method, including:
Obtain distance value current between object and terminal device；According to the relation of default electric current Yu distance, determine with described currently
Current value corresponding to distance value；According to described current value, adjust the operating current of flash lamp.
The flash lamp control method of the embodiment of the present application, first obtains the distance value that object is current with terminal device, then root
According to the relation of default electric current Yu distance, it is determined at the current value that current distance value is corresponding, then according to current value, adjusts
The operating current of flash lamp.Hereby it is achieved that the operating current of flash lamp is dynamically adjusted with the distance between object and terminal device
Whole, it is ensured that the exposure effect of the object under different distance is consistent, improves the performance of camera in terminal device, improves
Consumer's Experience.
For reaching above-mentioned purpose, the application second aspect embodiment proposes a kind of device for controlling flashlight, including:
Acquisition module, for obtaining distance value current between object and terminal device；
Determine module, for the relation according to the electric current preset with distance, determine the electric current corresponding with described current distance value
Value；
Adjusting module, for according to described current value, adjusting the operating current of flash lamp.
The device for controlling flashlight of the embodiment of the present application, first obtains the distance value that object is current with terminal device, then root
According to the relation of default electric current Yu distance, it is determined at the current value that current distance value is corresponding, then according to current value, adjusts
The operating current of flash lamp.The operating current achieving flash lamp dynamically adjusts with the distance between object and terminal device, protects
The exposure effect having demonstrate,proved object under different distance is consistent, improves the performance of camera in terminal device, improves user's body
Test.
For reaching above-mentioned purpose, the application third aspect embodiment proposes a kind of terminal device, including: glisten as above
Lamp control device.
The terminal device of the embodiment of the present application, first obtains the distance value that object is current with terminal device, then according to presetting
The relation of electric current and distance, be determined at the current value that current distance value is corresponding, then according to current value, adjust flash lamp
Operating current.The operating current achieving flash lamp dynamically adjusts with the distance between object and terminal device, it is ensured that no
The exposure effect of the object under same distance is consistent, improves the performance of camera in terminal device, improves Consumer's Experience.
For reaching above-mentioned purpose, the application fourth aspect embodiment proposes a kind of terminal device, including following one or more groups
Part: include following one or more assembly: circuit board, housing, processor, memory, camera, flash lamp component, electricity
Source circuit and sensor cluster；Wherein, described circuit board is placed in the interior volume that described housing surrounds, described processor
It is arranged on described circuit board with described memory；Described power circuit, is used for each circuit for described terminal device or device
Part is powered；Described memory is used for storing executable program code；Described processor is by reading storage in described memory
Executable program code runs the program corresponding with described executable program code, for performing following steps:
Obtain distance value current between object and terminal device；
According to the relation of default electric current Yu distance, determine the current value corresponding with described current distance value；
According to described current value, adjust the operating current of flash lamp.
The terminal device of the embodiment of the present application, first obtains the distance value that object is current with terminal device, then according to presetting
The relation of electric current and distance, be determined at the current value that current distance value is corresponding, then according to current value, adjust flash lamp
Operating current.The operating current achieving flash lamp dynamically adjusts with the distance between object and terminal device, it is ensured that no
The exposure effect of the object under same distance is consistent, improves the performance of camera in terminal device, improves Consumer's Experience.
Accompanying drawing explanation
The present invention above-mentioned and/or that add aspect and advantage will be apparent from from the following description of the accompanying drawings of embodiments
With easy to understand, wherein:
Fig. 1 is the schematic flow sheet of the flash lamp control method of one embodiment of the application；
Fig. 2 is the structural representation of the device for controlling flashlight of one embodiment of the application；
Fig. 3 is the structural representation of the terminal device of one embodiment of the application；
Fig. 4 is the structural representation of the terminal device of another embodiment of the application.
Detailed description of the invention
Embodiments herein is described below in detail, and the example of described embodiment is shown in the drawings, the most identical
Or similar label represents same or similar element or has the element of same or like function.Retouch below with reference to accompanying drawing
The embodiment stated is exemplary, it is intended to be used for explaining the application, and it is not intended that restriction to the application.
Below with reference to the accompanying drawings the motor control method of the embodiment of the present application, device and picture pick-up device are described.
Fig. 1 is the schematic flow sheet of the flash lamp control method of one embodiment of the application.
As it is shown in figure 1, this flash lamp control method includes:
Step 101, obtains distance value current between object and terminal device.
Specifically, the executive agent of the flash lamp control method that the present embodiment provides is device for controlling flashlight, and this device is permissible
It is configured in the terminal device with camera and flash lamp.
It should be noted that the type of terminal device is a lot, can select, such as according to application needs: be mobile phone, flat
Plate computer, notebook computer or wearable device etc..
Specifically, the camera of the biggest multi-terminal equipment all uses laser focusing mode, utilizes infrared laser, determine mesh
Mark thing is to the distance of terminal device.
For example, if terminal device is A, photograph subject is B, and its principle is exactly to launch infrared laser at A to arrive
After at B, then fire back A, record this segment distance and then complete focusing.In the embodiment of the present application, can focus at laser
Cheng Zhong, obtains the distance value that object is current with terminal device.
I.e. above-mentioned steps 101, including:
Utilize laser ranging mode, obtain distance value current between object and terminal device.
Step 102, according to the relation of default electric current Yu distance, determines the current value corresponding with described current distance value.
Wherein, the relation of electric current and the distance preset, can be the mapping relations table of electric current and distance, it is also possible to be electric current and
The relational expression of distance.This is not construed as limiting by the present embodiment.
Accordingly, device for controlling flashlight, the operating current of flash lamp can be determined to use following two mode.
Example one:
By inquiry electric current and the mapping relations table of distance, determine the current value corresponding with current distance value.
For example, device for controlling flashlight can prestore the mapping relations table of electric current and distance, obtaining target
After the distance value that thing is current with terminal device, mapping relations table can be inquired about, determine the current value corresponding with current distance value.
Wherein, in the mapping relations table of electric current and distance, current value can a corresponding distance value, an or electric current
Value can also a corresponding distance range, this is not limited by the present embodiment.
Example two:
According to I=k × D, determining the current value corresponding with described current distance value, wherein, I is current value, and k is ratio
Constant, D is current distance value.
Wherein, k is the positive number more than 1 and less than 1.5, and such as k can take 1.1,1.2,1.25,1.3 etc.；Or
Person k can also choose different values when different distance values, and such as, when D is less than 1 meter (m), k can take 1.25, k
During more than 1m, k takes 1.2.
Concrete, after obtaining the distance value that object is current with terminal device, i.e. may utilize above-mentioned relation formula, it is right to determine
The current value answered.
For example, k is 1.2, and when D is 1.5m, the current value determined is 1.3 amperes (A).
Step 103, according to described current value, adjusts the operating current of flash lamp.
Concrete, by the way, it is determined that after the supply current that current distance value is corresponding, i.e. the work of adjustable flash lamp
Make electric current, so that the power of flash lamp changes with the distance between object and terminal device, distance hour, electric current is lower,
Avoid causing, because flash lamp crosses bright, the effect overexposure flashed, thus have influence on effect.
If the distance obtained is distant, then the electric current of flash lamp can be drawn high, and the effect of flashing making flash lamp is brighter, keeps away
Exempt to cause the effect flashed to owe to expose because flash lamp crosses dark, thus have influence on effect.
The flash lamp control method of the embodiment of the present application, first obtains the distance value that object is current with terminal device, then root
According to the relation of default electric current Yu distance, it is determined at the current value that current distance value is corresponding, then according to current value, adjusts
The operating current of flash lamp.The operating current achieving flash lamp dynamically adjusts with the distance between object and terminal device, protects
The exposure effect having demonstrate,proved object under different distance is consistent, improves the performance of camera in terminal device, improves user's body
Test.
In order to realize above-described embodiment, the application also proposes a kind of device for controlling flashlight.
Fig. 2 is the structural representation of the device for controlling flashlight of one embodiment of the application.
As in figure 2 it is shown, this device for controlling flashlight includes:
Acquisition module 21, for obtaining distance value current between object and terminal device；
Determine module 22, for the relation according to the electric current preset with distance, determine the electricity corresponding with described current distance value
Flow valuve；
Adjusting module 23, for according to described current value, adjusting the operating current of flash lamp.
Concrete, that the present embodiment provides device for controlling flashlight, can be configured in and have the terminal of camera and flash lamp and set
In Bei.
It should be noted that the type of terminal device is a lot, can select, such as according to application needs: mobile phone, the palm
Acoustic-electric brain, notebook computer or wearable device etc..
Specifically, the camera of the biggest multi-terminal equipment all uses laser focusing mode, utilizes infrared laser, determine mesh
Mark thing is to the distance of terminal device.
For example, if terminal device is A, photograph subject is B, and its principle is exactly to launch infrared laser at A to arrive
After at B, then fire back A, record this segment distance and then complete focusing.In the embodiment of the present application, can focus at laser
Cheng Zhong, obtains the distance value that object is current with terminal device.
Accordingly, above-mentioned acquisition module 21, specifically for:
Utilize laser ranging mode, obtain distance value current between object and terminal device.
Wherein, the relation of electric current and the distance preset, can be the mapping relations table of electric current and distance, it is also possible to be electric current and
The relational expression of distance.This is not construed as limiting by the present embodiment.
Accordingly, determine module 22, the operating current of flash lamp can be determined to use following two mode.
Example one:
By inquiry electric current and the mapping relations table of distance, determine the current value corresponding with current distance value.
For example, device for controlling flashlight can prestore the mapping relations table of electric current and distance, obtaining target
After the distance value that thing is current with terminal device, mapping relations table can be inquired about, determine the current value corresponding with current distance value.
Wherein, in the mapping relations table of electric current and distance, current value can a corresponding distance value, an or electric current
Value can also a corresponding distance range, this is not limited by the present embodiment.
Example two:
According to I=k × D, determining the current value corresponding with described current distance value, wherein, I is current value, and k is ratio
Constant, D is current distance value.
Wherein, k is the positive number more than 1 and less than 1.5, and such as k can take 1.1,1.2,1.25,1.3 etc.；Or
Person k can also choose different values when different distance values, and such as, when D is less than 1 meter (m), k can take 1.25, k
During more than 1m, k takes 1.2.
Concrete, after obtaining the distance value that object is current with terminal device, i.e. may utilize above-mentioned relation formula, it is right to determine
The current value answered.
For example, k is 1.2, and when D is 1.5m, the current value determined is 1.3 amperes (A).
By the way, it is determined that after the supply current that current distance value is corresponding, i.e. the operating current of adjustable flash lamp,
So that the power of flash lamp changes with the distance between object and terminal device, distance hour, electric current is lower, it is to avoid because of
Cause, for flash lamp crosses bright, the effect overexposure flashed, thus have influence on effect.
If the distance obtained is distant, then the electric current of flash lamp can be drawn high, and the effect of flashing making flash lamp is brighter, keeps away
Exempt to cause the effect flashed to owe to expose because flash lamp crosses dark, thus have influence on effect.
It should be noted that the aforementioned explanation to motor control method embodiment is also applied for the motor control of this embodiment
Device, here is omitted.
The device for controlling flashlight of the embodiment of the present application, first obtains the distance value that object is current with terminal device, then root
According to the relation of default electric current Yu distance, it is determined at the current value that current distance value is corresponding, then according to current value, adjusts
The operating current of flash lamp.The operating current achieving flash lamp dynamically adjusts with the distance between object and terminal device, protects
The exposure effect having demonstrate,proved object under different distance is consistent, improves the performance of camera in terminal device, improves user's body
Test.
Fig. 3 is the structural representation of the terminal device of one embodiment of the application.
As it is shown on figure 3, this terminal device 1 includes: device for controlling flashlight 2, wherein, device for controlling flashlight 2 is permissible
The structure of the device for controlling flashlight of the embodiment offer shown in the above-mentioned Fig. 2 of the present invention is provided.
Wherein, described terminal device 1 includes: mobile phone, applause computer, notebook computer or wearable device etc..
The terminal device of the embodiment of the present application, first obtains the distance value that object is current with terminal device, then according to presetting
The relation of electric current and distance, be determined at the current value that current distance value is corresponding, then according to current value, adjust flash lamp
Operating current.The operating current achieving flash lamp dynamically adjusts with the distance between object and terminal device, it is ensured that no
The exposure effect of the object under same distance is consistent, improves the performance of camera in terminal device, improves Consumer's Experience.
The structural representation of the terminal device of Fig. 4 another embodiment of the application.
Seeing Fig. 4, picture pick-up device can include following one or more assembly:
Circuit board 401, housing 402, processor 403, memory 404, camera 405, flash lamp component 406, power supply electricity
Road 407, sensor cluster 408 and communications component 409；Wherein, described circuit board 401 is placed in described housing 402 and encloses
The interior volume become, described processor 403 and described memory 404 are arranged on described circuit board 401；Described power supply electricity
Road 407, powers for each circuit or the device for described picture pick-up device；Described memory 404 is used for storing and can perform journey
Sequence code；Described processor 403 runs with described by reading the executable program code of storage in described memory 404
The program that executable program code is corresponding, for performing following steps:
Obtain distance value current between object and terminal device；
According to the relation of default electric current Yu distance, determine the current value corresponding with described current distance value；
According to described current value, adjust the operating current of flash lamp
It should be noted that the aforementioned explanation to the flash lamp control method embodiment shown in Fig. 1 is also applied for this enforcement
The terminal device of example, it is similar that it realizes principle, and here is omitted.
The terminal device of the embodiment of the present application, first obtains the distance value that object is current with terminal device, then according to presetting
The relation of electric current and distance, be determined at the current value that current distance value is corresponding, then according to current value, adjust flash lamp
Operating current.The operating current achieving flash lamp dynamically adjusts with the distance between object and terminal device, it is ensured that no
The exposure effect of the object under same distance is consistent, improves the performance of camera in terminal device, improves Consumer's Experience.
In the description of this specification, reference term " embodiment ", " some embodiments ", " example ", " tool
Body example " or the description of " some examples " etc. means to combine this embodiment or example describes specific features, structure, material
Material or feature are contained at least one embodiment or the example of the application.In this manual, the signal to above-mentioned term
Property statement be necessarily directed to identical embodiment or example.And, the specific features of description, structure, material or spy
Point can be to combine in one or more embodiments in office or example in an appropriate manner.Additionally, in the case of the most conflicting,
Those skilled in the art can be by the different embodiments described in this specification or example and different embodiment or the spy of example
Levy and be combined and combine.
Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or imply relatively important
Property or the implicit quantity indicating indicated technical characteristic.Thus, define " first ", " second " feature permissible
Express or implicitly include at least one this feature.In the description of the present application, " multiple " are meant that at least two,
Such as two, three etc., unless otherwise expressly limited specifically.
Should be appreciated that each several part of the application can realize by hardware, software, firmware or combinations thereof.In above-mentioned reality
Execute in mode, software that multiple steps or method in memory and can be performed by suitable instruction execution system with storage or
Firmware realizes.Such as, if realized with hardware, with the most the same, available well known in the art under
Any one or their combination in row technology realize: have the logic gates for data-signal realizes logic function
Discrete logic, there is the special IC of suitable combinational logic gate circuit, programmable gate array (PGA), existing
Field programmable gate array (FPGA) etc..
Those skilled in the art are appreciated that realizing all or part of step that above-described embodiment method carries is can
Completing instructing relevant hardware by program, described program can be stored in a kind of computer-readable recording medium,
This program upon execution, including one or a combination set of the step of embodiment of the method.
Additionally, each functional unit in each embodiment of the application can be integrated in a proxy module, it is also possible to be each
Individual unit is individually physically present, it is also possible to two or more unit are integrated in a module.Above-mentioned integrated module was both
Can realize to use the form of hardware, it would however also be possible to employ the form of software function module realizes.If described integrated module with
The form of software function module realizes and as independent production marketing or when using, it is also possible to be stored in a computer-readable
Take in storage medium.
Storage medium mentioned above can be read-only storage, disk or CD etc..Although above it has been shown and described that
Embodiments herein, it is to be understood that above-described embodiment is exemplary, it is impossible to be interpreted as the restriction to the application,
Above-described embodiment can be changed in scope of the present application, revises, replace and modification by those of ordinary skill in the art.
Claims (10)
1. a flash lamp control method, it is characterised in that comprise the following steps:
Obtain distance value current between object and terminal device；
According to the relation of default electric current Yu distance, determine the current value corresponding with described current distance value；
According to described current value, adjust the operating current of flash lamp.
Method the most according to claim 1, it is characterised in that the relation of electric current and distance that described basis is preset, really
The fixed current value corresponding with described current distance value, including:
According to I=k × D, determine the current value corresponding with described current distance value；
Wherein, I is current value, and k is proportionality constant, and D is current distance value.
Method the most according to claim 1, it is characterised in that between described acquisition object and terminal device current away from
Distance values, including:
Utilize laser ranging mode, obtain distance value current between object and terminal device.
Method the most according to claim 2, it is characterised in that k is the positive number more than 1 and less than 1.5.
5. a device for controlling flashlight, it is characterised in that including:
Acquisition module, for obtaining distance value current between object and terminal device；
Determine module, for the relation according to the electric current preset with distance, determine the electric current corresponding with described current distance value
Value；
Adjusting module, for according to described current value, adjusting the operating current of flash lamp.
Device the most according to claim 5, it is characterised in that described determine module, specifically for:
According to I=k × D, determine the current value corresponding with described current distance value；
Wherein, I is current value, and k is proportionality constant, and D is current distance value.
Device the most according to claim 5, it is characterised in that described acquisition module, specifically for:
Utilize laser ranging mode, obtain distance value current between object and terminal device.
Device the most according to claim 6, it is characterised in that k is the positive number more than 1 and less than 1.5.
9. a terminal device, it is characterised in that including: the device for controlling flashlight as described in claim 5-8 is arbitrary.
10. a terminal device, it is characterised in that include following one or more assembly: circuit board, housing, processor,
Memory, camera, flash lamp component, power circuit and sensor cluster；Wherein, described circuit board is placed in described shell
The interior volume that body surrounds, described processor and described memory are arranged on described circuit board；Described power circuit, is used for
Each circuit or device for described terminal device are powered；Described memory is used for storing executable program code；Described process
Device runs the journey corresponding with described executable program code by reading the executable program code of storage in described memory
Sequence, for performing following steps:
Obtain distance value current between object and terminal device；
According to the relation of default electric current Yu distance, determine the current value corresponding with described current distance value；
According to described current value, adjust the operating current of flash lamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201610368062.7A CN105842956A (en) | 2016-05-26 | 2016-05-26 | Flashlight control method, device and terminal equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610368062.7A CN105842956A (en) | 2016-05-26 | 2016-05-26 | Flashlight control method, device and terminal equipment |
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| CN201610368062.7A Pending CN105842956A (en) | 2016-05-26 | 2016-05-26 | Flashlight control method, device and terminal equipment |
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| 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 |
| CN106603934A (en) * | 2017-01-12 | 2017-04-26 | 维沃移动通信有限公司 | Flash lamp control method and mobile terminal |
| CN108333860A (en) * | 2018-03-12 | 2018-07-27 | 广东欧珀移动通信有限公司 | Control method, control device, depth camera and electronic device |
| CN109218711A (en) * | 2018-09-14 | 2019-01-15 | Oppo（重庆）智能科技有限公司 | Detection method, system and the electronic equipment of flash lamp |
| US11441895B2 (en) | 2018-03-12 | 2022-09-13 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Control method, depth camera and electronic device |
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| CN109218711A (en) * | 2018-09-14 | 2019-01-15 | Oppo（重庆）智能科技有限公司 | Detection method, system and the electronic equipment of flash lamp |
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