CN105959594A - Metering method and device for photographic equipment - Google Patents
Metering method and device for photographic equipment Download PDFInfo
- Publication number
- CN105959594A CN105959594A CN201610513232.6A CN201610513232A CN105959594A CN 105959594 A CN105959594 A CN 105959594A CN 201610513232 A CN201610513232 A CN 201610513232A CN 105959594 A CN105959594 A CN 105959594A
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- Prior art keywords
- illumination intensity
- intensity value
- metering
- metering mode
- scene
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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
- H04N23/71—Circuitry for evaluating the brightness variation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/62—Control of parameters via user interfaces
-
- 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
- H04N23/73—Circuitry for compensating brightness variation in the scene by influencing the exposure time
-
- 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
- H04N23/745—Detection of flicker frequency or suppression of flicker wherein the flicker is caused by illumination, e.g. due to fluorescent tube illumination or pulsed LED illumination
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Human Computer Interaction (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
- Studio Devices (AREA)
Abstract
The invention provides a metering method and device for photographic equipment. The method comprises the following steps: acquiring a first illumination intensity value of a central point of a photographed scene in a current viewfinder interface; acquiring a second illumination intensity value corresponding to each area in a plurality of areas on the surrounding of the central point; and determining a target metering mode corresponding to the photographed scene according to the first illumination intensity value and the second illumination intensity value, wherein the target metering mode comprises any one as follows: an average metering mode, a point metering mode and a central metering mode. By adopting the technical scheme, the target metering mode can be automatically determined according to the photographed scene, and the user does not need to manually determine the target metering mode, thereby not only reducing the operations of the user, but also helping the user to automatically select the metering mode in the case that the user cannot select the metering mode, to guarantee the user to photograph an ideal picture and improve the user experience.
Description
Technical field
It relates to photographic equipment technical field, particularly relate to light measuring method and the dress of a kind of photographic equipment
Put.
Background technology
The photometric system of photographic equipment is usually and measures the brightness that subject reflects, and is also referred to as
For reflective light-metering.
The Exposure Metering that at present photographic equipment is taked according to photometry element to district measured in camera coverage
Territory scope difference mainly includes a light-metering, middle body light-metering, central authorities emphasis average metering, average metering
Pattern, multi-region light-metering etc..
Point metering mode: photometry element only measures the scope that picture center is the least.Photographing unit mirror during photography
Head is repeatedly directed at each several part of shot subject, measure its brightness one by one, finally by cameraman according to recording
Data determine exposure parameter.
Middle body metering mode: this pattern is that the scope that picture center accounts for picture 12% is carried out
Light-metering.
Central authorities' emphasis average metering pattern: the light-metering of this pattern focuses on picture central authorities and (accounts for picture
60%), take into account picture edge simultaneously.It can greatly reduce the phenomenon that picture exposure is the best, is current list
The metering mode that lens-reflex is main.
Average metering pattern: it measures the average luminance of whole picture, is suitable for picture light intensity difference not
Big situation.
Multi-region metering mode: it is carried out light-metering to picture subregion by independent photometry element, by photographing unit
Internal microprocessor carries out data process, tries to achieve suitable light exposure, and exposure accuracy is high.At backlight
Photography or subject contrast can suitably be exposed time the biggest, and without manual synchronizing.
These metering modes as a rule need user oneself to go to select, if user is ignorant of surveying completely
Light technology, it is likely that under the metering mode of mistake, eternal shooting does not go out preferable photo.
Summary of the invention
Disclosure embodiment provides light measuring method and the device of a kind of photographic equipment, including following technical scheme:
First aspect according to disclosure embodiment, it is provided that the light measuring method of a kind of photographic equipment, including:
Obtain the first illumination intensity value of the central point of the scene that is taken in interface of currently finding a view；
Obtain the second illumination intensity value that in the multiple regions around described central point, each region is corresponding；
According to described first illumination intensity value and described second illumination intensity value, determine described in be taken scene
Corresponding target metering mode.
It is in one embodiment, described according to described first illumination intensity value with described second illumination intensity value,
The target metering mode that the scene that is taken described in determining is corresponding, including:
Calculate that described first illumination intensity value is corresponding with each region in the plurality of region respectively described
The variance of two illumination intensity values, to obtain multiple variance yields；
Calculate the described first illumination intensity value average light corresponding with multiple described second illumination intensity values according to strong
Angle value；
According to the plurality of variance yields and described average illumination intensity value, determine described in the scene that is taken corresponding
Target metering mode.
In one embodiment, described according to the plurality of variance yields with described average illumination intensity value, really
The target metering mode that the scene that is taken described in Ding is corresponding, including:
Calculate the mean square difference that the plurality of variance yields is corresponding；
When described mean square difference is more than or equal to preset difference value, and described average illumination intensity value is less than
When presetting illumination intensity value, determine that the target metering mode that described photographed scene is corresponding is average metering pattern.
In one embodiment, according to the plurality of variance yields and described average illumination intensity value, institute is determined
State the target metering mode that the scene that is taken is corresponding, also include:
When described mean square difference is less than presetting variance, and described average illumination intensity value is more than presetting illumination
During intensity level, determine metering mode centered by the target metering mode that described photographed scene is corresponding.
In one embodiment, described method also includes:
Output recommends user to use described target metering mode to carry out the information of light-metering.
In one embodiment, described method also includes:
When the average metering pattern not accepting to recommend user to use receiving user's input carries out the life of light-metering
When making, output recommends user to use described some metering mode to carry out the information of light-metering.
Second aspect according to disclosure embodiment, it is provided that the light measurer of a kind of photographic equipment, including:
First acquisition module, for obtaining the first light of the central point of the scene that is taken in interface of currently finding a view
According to intensity level；
Second acquisition module is corresponding for obtaining each region in the multiple regions around described central point
Second illumination intensity value；
Determine module, for described first illumination intensity value obtained according to described first acquisition module and institute
State described second illumination intensity value that the second acquisition module obtains, determine described in be taken mesh corresponding to scene
Mapping optical mode.
In one embodiment, described determine that module includes:
First calculating sub module, for calculating respectively in described first illumination intensity value and the plurality of region
The variance of described second illumination intensity value that each region is corresponding, to obtain multiple variance yields；
Second calculating sub module, is used for calculating described first illumination intensity value and multiple described second illumination is strong
The average illumination intensity value that angle value is corresponding；
Pattern determines submodule, is used for according to the plurality of variance yields and described average illumination intensity value, really
The target metering mode that the scene that is taken described in Ding is corresponding.
In one embodiment, described pattern determine submodule for:
Calculate the mean square difference that the plurality of variance yields is corresponding；When described mean square difference more than or etc.
In preset difference value, and described average illumination intensity value is less than when presetting illumination intensity value, determines described shooting
Target metering mode corresponding to scene is average metering pattern.
In one embodiment, described pattern determines that submodule is additionally operable to:
When described mean square difference is less than presetting variance, and described average illumination intensity value is more than presetting illumination
During intensity level, determine metering mode centered by the target metering mode that described photographed scene is corresponding.
In one embodiment, described device also includes:
First output module, uses described target metering mode to carry out carrying of light-metering for exporting recommendation user
Show information.
In one embodiment, described device also includes:
Second output module, for when the average survey not accepting to recommend user to use receiving user's input
When optical mode carries out the order of light-metering, output recommends user to use described some metering mode to carry out carrying of light-metering
Show information.
The third aspect according to disclosure embodiment, it is provided that the light measurer of a kind of photographic equipment, its feature
It is, including:
Processor；
For storing the memorizer of processor executable；
Wherein, described processor is configured to:
Obtain the first illumination intensity value of the central point of the scene that is taken in interface of currently finding a view；
Obtain the second illumination intensity value that in the multiple regions around described central point, each region is corresponding；
According to described first illumination intensity value and described second illumination intensity value, determine described in be taken scene
Corresponding target metering mode.
Embodiment of the disclosure that the technical scheme of offer can include following beneficial effect:
Technique scheme, can obtain the first light of the central point of the scene that is taken in interface of currently finding a view
According to the second illumination intensity value that each region in the multiple regions around intensity level and this key store is corresponding, from
And determine, according to the first illumination intensity value and the second illumination intensity value, the target light-metering that the scene that is taken is corresponding
Pattern, as such, it is possible to automatically determine target metering mode according to the scene that is currently taken, it is not necessary to user
Manually determine target metering mode, not only decrease user operation, and light-metering mould will not be selected user
In the case of formula, user is helped to automatically select metering mode, it is ensured that user can shoot preferable photo,
Promote the experience of user.
It should be appreciated that it is only exemplary and explanatory that above general description and details hereinafter describe
, the disclosure can not be limited.
Accompanying drawing explanation
Accompanying drawing herein is merged in description and constitutes the part of this specification, it is shown that meet these public affairs
The embodiment opened, and for explaining the principle of the disclosure together with description.
Fig. 1 is the flow chart of the light measuring method according to a kind of photographic equipment shown in an exemplary embodiment.
Fig. 2 is step S103 in the light measuring method according to a kind of photographic equipment shown in an exemplary embodiment
Flow chart.
Fig. 3 is step S203 in the light measuring method according to a kind of photographic equipment shown in an exemplary embodiment
Flow chart.
Fig. 4 is step in the light measuring method according to the another kind of photographic equipment shown in an exemplary embodiment
The flow chart of S203.
Fig. 5 is the flow process of the light measuring method according to the another kind of photographic equipment shown in an exemplary embodiment
Figure.
Fig. 6 is the flow process of the light measuring method according to another photographic equipment shown in an exemplary embodiment
Figure.
Fig. 7 is the block diagram of the light measurer according to a kind of photographic equipment shown in an exemplary embodiment.
Fig. 8 is to determine module in the light measurer according to a kind of photographic equipment shown in an exemplary embodiment
Block diagram.
Fig. 9 is the block diagram of the light measurer according to the another kind of photographic equipment shown in an exemplary embodiment.
Figure 10 is the block diagram of the light measurer according to another photographic equipment shown in an exemplary embodiment.
Figure 11 is the block diagram according to the light measurer being applicable to photographic equipment shown in an exemplary embodiment.
Detailed description of the invention
Here will illustrate exemplary embodiment in detail, its example represents in the accompanying drawings.Following retouches
Stating when relating to accompanying drawing, unless otherwise indicated, the same numbers in different accompanying drawings represents same or analogous and wants
Element.Embodiment described in following exemplary embodiment does not represent own consistent with the disclosure
Embodiment.On the contrary, they only with as appended claims describes in detail, the disclosure some
The example of the apparatus and method that aspect is consistent.
Disclosure embodiment provides the light measuring method of a kind of photographic equipment, and the method can be used for camera etc. and claps
Take the photograph in device, as it is shown in figure 1, the method comprising the steps of S101-S103:
In step S101, obtain the first illumination of the central point of the scene that is taken in interface of currently finding a view
Intensity level；
In step s 102, the second light that in the multiple regions around central point, each region is corresponding is obtained
According to intensity level；
In step s 103, according to the first illumination intensity value and the second illumination intensity value, determine and be taken
The target metering mode that scene is corresponding.
Wherein, target metering mode can include following any one:
Average metering pattern, some metering mode, center metering mode.
In this embodiment it is possible to obtain the first light of the central point of the scene that is taken in interface of currently finding a view
According to the second illumination intensity value that each region in the multiple regions around intensity level and this key store is corresponding, root
The light intensity difference of the scene that is currently taken and whole is may determine that according to the first illumination intensity value and the second illumination intensity value
Body light intensity, and then determine the target metering mode that the scene that is taken is corresponding, as such, it is possible to according to currently quilt
Photographed scene automatically determines target metering mode, it is not necessary to user manually determines target metering mode, not only
Decrease user operation, and in the case of user will not select metering mode, help user automatically to select
Select metering mode, it is ensured that user can shoot preferable photo, promote the experience of user.
As in figure 2 it is shown, in one embodiment, above-mentioned steps S103 can also include step
S201-S203:
In step s 201, the first illumination intensity value is calculated respectively corresponding with each region in multiple regions
The variance of the second illumination intensity value, to obtain multiple variance yields；
In step S202, calculate put down corresponding with multiple second illumination intensity values of the first illumination intensity value
All illumination intensity values；
In step S203, according to multiple variance yields and average illumination intensity value, determine the scene that is taken
Corresponding target metering mode.
In this embodiment, each district in the first illumination intensity value of central point and multiple region is calculated respectively
Variance yields between the second illumination intensity value that territory is corresponding, and calculate the first illumination intensity value and multiple second
The average illumination intensity value of illumination intensity value, so, may determine that central point and about according to variance yields
The light intensity difference in region, may determine that the overall light intensity of the scene that is taken according to average illumination intensity value, and then
The target metering mode of correspondence is determined according to light intensity difference and overall light intensity.
As it is shown on figure 3, in one embodiment, above-mentioned steps S203 can include step S301-S302:
In step 301, the mean square difference that multiple variance yields is corresponding is calculated；
In step 302, when mean square difference is more than or equal to preset difference value, and average intensity of illumination
Value, less than when presetting illumination intensity value, determines that the target metering mode that photographed scene is corresponding is average metering mould
Formula.
In this embodiment it is possible to preset difference value and default illumination intensity value are set, if mean square difference
More than or equal to preset difference value, and average illumination intensity value is less than presetting illumination intensity value, then explanation is worked as
Before the be taken light intensity difference of scene very big, and overall light intensity is the highest, at this point it is possible to determine the mesh of correspondence
Mapping optical mode is average metering pattern, and average metering pattern can avoid a certain regional exposure the darkest, from
And make shooting effect optimal.
As shown in Figure 4, in one embodiment, above-mentioned steps S203 can also include step S401:
In step S401, when mean square difference is less than presetting variance, and average illumination intensity value is more than
When presetting illumination intensity value, determine metering mode centered by the target metering mode that photographed scene is corresponding.
In this embodiment, if mean square difference is less than presetting variance, and average illumination intensity value is more than
Preset illumination intensity value, then the light intensity difference of the scene that illustrates currently to be taken is little, and overall light intensity is more
Abundance, at this point it is possible to determine metering mode centered by the target metering mode of correspondence, so that shooting
Best results.
As it is shown in figure 5, in one embodiment, said method also includes step S501:
In step S501, output recommends user to use target metering mode to carry out the information of light-metering.
In this embodiment, after determining the target metering mode that the scene that is taken is corresponding, output is recommended
User uses target metering mode to carry out the information of light-metering, and user can select to use the light-metering recommended
Pattern carries out light-metering, and so, intelligentized help user selects correct metering mode, and gives user
Suitable suggestion, even if thus ensure user do not understand that photometry also can shoot preferable photo, carry
Rise the experience of user.
As shown in Figure 6, in one embodiment, said method can also include step S601:
In step s 601, when the average metering not accepting to recommend user to use receiving user's input
When pattern carries out the order of light-metering, output recommends user to use a metering mode to carry out the information of light-metering.
In this embodiment, user is recommended to use target metering mode (average metering pattern) to enter in output
After the information of row light-metering, if receiving the average survey not accepting to recommend user to use of user's input
Optical mode carries out the order of light-metering, now, illustrates that user knows quite well for photometry, the most defeated
Going out to recommend user to use a metering mode to carry out the information of light-metering, under a metering mode, user is permissible
The point selecting to be suitable for light intensity that is actually needed according to oneself carries out light-metering, thus ensures to help user to shoot
Preferably photo.
Following for disclosure device embodiment, may be used for performing method of disclosure embodiment.
Fig. 7 is the block diagram of the light measurer according to a kind of photographic equipment shown in an exemplary embodiment, should
Device can pass through software, hardware or both be implemented in combination with become the some or all of of electronic equipment.
As it is shown in fig. 7, the light measurer of this photographic equipment includes:
First acquisition module 71, is configured to obtain the central point of the scene that is taken in interface of currently finding a view
First illumination intensity value；
Second acquisition module 72, is configured to obtain each region in the multiple regions around central point corresponding
The second illumination intensity value；
Determine module 73, be configured to according to first acquisition module 71 obtain the first illumination intensity value and
The second illumination intensity value that second acquisition module 72 obtains, determines the target light-metering mould that the scene that is taken is corresponding
Formula, wherein, target metering mode includes following any one:
Average metering pattern, some metering mode, center metering mode.
In this embodiment it is possible to obtain the first light of the central point of the scene that is taken in interface of currently finding a view
According to the second illumination intensity value that each region in the multiple regions around intensity level and this key store is corresponding, root
The light intensity difference of the scene that is currently taken and whole is may determine that according to the first illumination intensity value and the second illumination intensity value
Body light intensity, and then determine the target metering mode that the scene that is taken is corresponding, as such, it is possible to according to currently quilt
Photographed scene automatically determines target metering mode, it is not necessary to user manually determines target metering mode, not only
Decrease user operation, and in the case of user will not select metering mode, help user automatically to select
Select metering mode, it is ensured that user can shoot preferable photo, promote the experience of user.
As shown in Figure 8, in one embodiment, determine that module 73 includes:
First calculating sub module 81, is configured to calculate the first illumination intensity value every with multiple regions
The variance of the second illumination intensity value that individual region is corresponding, to obtain multiple variance yields；
Second calculating sub module 82, is configured to calculate the first illumination intensity value and multiple second intensity of illumination
The average illumination intensity value that value is corresponding；
Pattern determines submodule 83, is configured to, according to multiple variance yields and average illumination intensity value, determine
The target metering mode that the scene that is taken is corresponding.
In this embodiment, each district in the first illumination intensity value of central point and multiple region is calculated respectively
Variance yields between the second illumination intensity value that territory is corresponding, and calculate the first illumination intensity value and multiple second
The average illumination intensity value of illumination intensity value, so, may determine that central point and about according to variance yields
The light intensity difference in region, may determine that the overall light intensity of the scene that is taken according to average illumination intensity value, and then
The target metering mode of correspondence is determined according to light intensity difference and overall light intensity.
In one embodiment, pattern determine submodule 83 for:
Calculate the mean square difference that multiple variance yields is corresponding；When mean square difference is poor more than or equal to presetting
Value, and average illumination intensity value is less than when presetting illumination intensity value, determines that the target that photographed scene is corresponding is surveyed
Optical mode is average metering pattern.
In this embodiment it is possible to preset difference value and default illumination intensity value are set, if mean square difference
More than or equal to preset difference value, and average illumination intensity value is less than presetting illumination intensity value, then explanation is worked as
Before the be taken light intensity difference of scene very big, and overall light intensity is the highest, at this point it is possible to determine the mesh of correspondence
Mapping optical mode is average metering pattern, and average metering pattern can avoid a certain regional exposure the darkest, from
And make shooting effect optimal.
In one embodiment, pattern determines that submodule 83 is additionally operable to:
When mean square difference is less than presetting variance, and when average illumination intensity value is more than default illumination intensity value,
Determine metering mode centered by the target metering mode that photographed scene is corresponding.
In this embodiment, if mean square difference is less than presetting variance, and average illumination intensity value is more than
Preset illumination intensity value, then the light intensity difference of the scene that illustrates currently to be taken is little, and overall light intensity is more
Abundance, at this point it is possible to determine metering mode centered by the target metering mode of correspondence, so that shooting
Best results.
As it is shown in figure 9, in one embodiment, said apparatus also includes:
First output module 91, is configured to output and recommends user to use target metering mode to carry out light-metering
Information.
In this embodiment, after determining the target metering mode that the scene that is taken is corresponding, output is recommended
User uses target metering mode to carry out the information of light-metering, and user can select to use the light-metering recommended
Pattern carries out light-metering, and so, intelligentized help user selects correct metering mode, and gives user
Suitable suggestion, even if thus ensure user do not understand that photometry also can shoot preferable photo, carry
Rise the experience of user.
As shown in Figure 10, in one embodiment, said apparatus also includes:
Second output module 1001, the recommendation user that do not accepts being configured as receiving user's input uses
Average metering pattern when carrying out the order of light-metering, output recommends user to use a metering mode to carry out light-metering
Information.
In this embodiment, user is recommended to use target metering mode (average metering pattern) to enter in output
After the information of row light-metering, if receiving the average survey not accepting to recommend user to use of user's input
Optical mode carries out the order of light-metering, now, illustrates that user knows quite well for photometry, the most defeated
Going out to recommend user to use a metering mode to carry out the information of light-metering, under a metering mode, user is permissible
The point selecting to be suitable for light intensity that is actually needed according to oneself carries out light-metering, thus ensures to help user to shoot
Preferably photo.
The third aspect according to disclosure embodiment, it is provided that the light measurer of a kind of photographic equipment, including:
Processor；
For storing the memorizer of processor executable；
Wherein, processor is configured to:
Obtain the first illumination intensity value of the central point of the scene that is taken in interface of currently finding a view；
Obtain the second illumination intensity value that in the multiple regions around described central point, each region is corresponding；
According to described first illumination intensity value and described second illumination intensity value, determine described in be taken scene
Corresponding target metering mode, wherein, described target metering mode includes following any one:
Average metering pattern, some metering mode, center metering mode.
Above-mentioned processor is also configured to:
Described according to described first illumination intensity value with described second illumination intensity value, determine described in be taken
The target metering mode that scene is corresponding, including:
Calculate that described first illumination intensity value is corresponding with each region in the plurality of region respectively described
The variance of two illumination intensity values, to obtain multiple variance yields；
Calculate the described first illumination intensity value average light corresponding with multiple described second illumination intensity values according to strong
Angle value；
According to the plurality of variance yields and described average illumination intensity value, determine described in the scene that is taken corresponding
Target metering mode.
Above-mentioned processor is also configured to:
Described according to the plurality of variance yields with described average illumination intensity value, determine described in be taken scene
Corresponding target metering mode, including:
Calculate the mean square difference that the plurality of variance yields is corresponding；
When described mean square difference is more than or equal to preset difference value, and described average illumination intensity value is less than
When presetting illumination intensity value, determine that the target metering mode that described photographed scene is corresponding is average metering pattern.
Above-mentioned processor is also configured to:
According to the plurality of variance yields and described average illumination intensity value, determine described in the scene that is taken corresponding
Target metering mode, also include:
When described mean square difference is less than presetting variance, and described average illumination intensity value is more than presetting illumination
During intensity level, determine metering mode centered by the target metering mode that described photographed scene is corresponding.
Above-mentioned processor is also configured to:
Output recommends user to use described target metering mode to carry out the information of light-metering.
Above-mentioned processor is also configured to:
When the average metering pattern not accepting to recommend user to use receiving user's input carries out the life of light-metering
When making, output recommends user to use described some metering mode to carry out the information of light-metering.
Figure 11 is the frame according to a kind of light measurer for photographic equipment shown in an exemplary embodiment
Figure, this device is applicable to photographic equipment.Such as, device 1100 can be camera, mobile phone, calculates
Machine, digital broadcast terminal, messaging devices, game console, tablet device, armarium, strong
Body equipment, personal digital assistant etc..
Device 1100 can include following one or more assembly: processes assembly 1102, memorizer 1104,
Power supply module 1106, multimedia groupware 1108, audio-frequency assembly 1110, the interface of input/output (I/O)
1112, sensor cluster 1114, and communications component 1116.
Process assembly 1102 and generally control the integrated operation of device 1100, such as with display, call,
The operation that data communication, camera operation and record operation are associated.Process assembly 1102 and can include one
Or multiple processor 1120 performs instruction, to complete all or part of step of above-mentioned method.Additionally,
Process assembly 1102 and can include one or more module, it is simple to process assembly 1102 and other assemblies it
Between mutual.Such as, process assembly 1102 and can include multi-media module, to facilitate multimedia groupware
1108 and process between assembly 1102 mutual.
Memorizer 1104 is configured to store various types of data to support the operation at device 1100.
The example of these data includes any application program for operation on device 1100 or the instruction of method,
Contact data, telephone book data, message, picture, video etc..Memorizer 1104 can be by any class
The volatibility of type or non-volatile memory device or combinations thereof realize, such as static random access memory
Device (SRAM), Electrically Erasable Read Only Memory (EEPROM), erasable programmable is read-only
Memorizer (EPROM), programmable read only memory (PROM), read only memory (ROM), magnetic
Memorizer, flash memory, disk or CD.
The various assemblies that power supply module 1106 is device 1100 provide electric power.Power supply module 1106 can wrap
Include power-supply management system, one or more power supplys, and other generate with for device 1100, manage and distribute
The assembly that electric power is associated.
One output interface of offer that multimedia groupware 1108 is included between described device 1100 and user
Screen.In certain embodiments, screen can include liquid crystal display (LCD) and touch panel (TP).
If screen includes that touch panel, screen may be implemented as touch screen, to receive the input from user
Signal.Touch panel includes that one or more touch sensor touches with sensing, slides and on touch panel
Gesture.Described touch sensor can not only sense touch or the border of sliding action, but also detects
The persistent period relevant to described touch or slide and pressure.In certain embodiments, multimedia group
Part 1108 includes a front-facing camera and/or post-positioned pick-up head.When device 1100 is in operator scheme,
During such as screening-mode or video mode, front-facing camera and/or post-positioned pick-up head can receive many matchmakers of outside
Volume data.Each front-facing camera and post-positioned pick-up head can be a fixing optical lens system or tool
There are focal length and optical zoom ability.
Audio-frequency assembly 1110 is configured to output and/or input audio signal.Such as, audio-frequency assembly 1110
Including a mike (MIC), when device 1100 is in operator scheme, such as call model, record mould
When formula and speech recognition mode, mike is configured to receive external audio signal.The audio frequency letter received
Number can be further stored at memorizer 1104 or send via communications component 1116.Implement at some
In example, audio-frequency assembly 1110 also includes a speaker, is used for exporting audio signal.
I/O interface 1112 is to process to provide interface between assembly 1102 and peripheral interface module, above-mentioned outside
Enclosing interface module can be keyboard, puts striking wheel, button etc..These buttons may include but be not limited to: homepage
Button, volume button, start button and locking press button.
Sensor cluster 1114 includes one or more sensor, for providing each side for device 1100
The state estimation in face.Such as, what sensor cluster 1114 can detect device 1100 beats opening/closing shape
State, the relative localization of assembly, the most described assembly is display and the keypad of device 1100, sensor
Assembly 1114 can also detect device 1100 or the position change of 1,100 1 assemblies of device, user and dress
Put the presence or absence of 1100 contacts, device 1100 orientation or acceleration/deceleration and the temperature of device 1100
Degree change.Sensor cluster 1114 can include proximity transducer, is configured to do not having any thing
The existence of object near detection during reason contact.Sensor cluster 1114 can also include optical sensor, as
CMOS or ccd image sensor, for using in imaging applications.In certain embodiments, should
Sensor cluster 1114 can also include acceleration transducer, gyro sensor, Magnetic Sensor, pressure
Sensor or temperature sensor.
Communications component 1116 is configured to facilitate wired or wireless mode between device 1100 and other equipment
Communication.Device 1100 can access wireless network based on communication standard, such as WiFi, 2G or 3G,
Or combinations thereof.In one exemplary embodiment, communications component 1116 receives via broadcast channel
From broadcast singal or the broadcast related information of external broadcasting management system.In one exemplary embodiment,
Described communications component 1116 also includes near-field communication (NFC) module, to promote junction service.Such as,
Can be based on RF identification (RFID) technology in NFC module, Infrared Data Association (IrDA) technology,
Ultra broadband (UWB) technology, bluetooth (BT) technology and other technologies realize.
In the exemplary embodiment, device 1100 can be by one or more application specific integrated circuits
(ASIC), digital signal processor (DSP), digital signal processing appts (DSPD), able to programme patrol
Collect device (PLD), field programmable gate array (FPGA), controller, microcontroller, microprocessor
Or other electronic building bricks realize, it is used for performing said method.
In the exemplary embodiment, a kind of non-transitory computer-readable storage including instruction is additionally provided
Medium, such as, include the memorizer 1104 of instruction, and above-mentioned instruction can be by the processor 1120 of device 1100
Perform to complete said method.Such as, described non-transitory computer-readable recording medium can be ROM,
Random access memory (RAM), CD-ROM, tape, floppy disk and optical data storage devices etc..
A kind of non-transitory computer-readable recording medium, when the instruction in described storage medium is by device
When the processor of 1100 performs so that device 1100 is able to carry out the light measuring method of above-mentioned photographic equipment,
Described method includes:
Obtain the first illumination intensity value of the central point of the scene that is taken in interface of currently finding a view；
Obtain the second illumination intensity value that in the multiple regions around described central point, each region is corresponding；
According to described first illumination intensity value and described second illumination intensity value, determine described in be taken scene
Corresponding target metering mode, wherein, described target metering mode includes following any one:
Average metering pattern, some metering mode, center metering mode.
It is in one embodiment, described according to described first illumination intensity value with described second illumination intensity value,
The target metering mode that the scene that is taken described in determining is corresponding, including:
Calculate that described first illumination intensity value is corresponding with each region in the plurality of region respectively described
The variance of two illumination intensity values, to obtain multiple variance yields；
Calculate the described first illumination intensity value average light corresponding with multiple described second illumination intensity values according to strong
Angle value；
According to the plurality of variance yields and described average illumination intensity value, determine described in the scene that is taken corresponding
Target metering mode.
In one embodiment, described according to the plurality of variance yields with described average illumination intensity value, really
The target metering mode that the scene that is taken described in Ding is corresponding, including:
Calculate the mean square difference that the plurality of variance yields is corresponding；
When described mean square difference is more than or equal to preset difference value, and described average illumination intensity value is less than
When presetting illumination intensity value, determine that the target metering mode that described photographed scene is corresponding is average metering pattern.
In one embodiment, according to the plurality of variance yields and described average illumination intensity value, institute is determined
State the target metering mode that the scene that is taken is corresponding, also include:
When described mean square difference is less than presetting variance, and described average illumination intensity value is more than presetting illumination
During intensity level, determine metering mode centered by the target metering mode that described photographed scene is corresponding.
In one embodiment, described method also includes:
Output recommends user to use described target metering mode to carry out the information of light-metering.
In one embodiment, described method also includes:
When the average metering pattern not accepting to recommend user to use receiving user's input carries out the life of light-metering
When making, output recommends user to use described some metering mode to carry out the information of light-metering.
Those skilled in the art, after considering description and putting into practice disclosure disclosed herein, will readily occur to this
Other embodiment disclosed.The application is intended to any modification, purposes or the adaptability of the disclosure
Change, these modification, purposes or adaptations are followed the general principle of the disclosure and include these public affairs
Open undocumented common knowledge in the art or conventional techniques means.Description and embodiments only by
Being considered as exemplary, the true scope of the disclosure and spirit are pointed out by claim below.
It should be appreciated that the disclosure be not limited to described above and illustrated in the accompanying drawings accurately
Structure, and various modifications and changes can carried out without departing from the scope.The scope of the present disclosure is only by institute
Attached claim limits.
Claims (13)
1. the light measuring method of a photographic equipment, it is characterised in that including:
Obtain the first illumination intensity value of the central point of the scene that is taken in interface of currently finding a view；
Obtain the second illumination intensity value that in the multiple regions around described central point, each region is corresponding；
According to described first illumination intensity value and described second illumination intensity value, determine described in be taken scene
Corresponding target metering mode.
Method the most according to claim 1, it is characterised in that described strong according to described first illumination
Angle value and described second illumination intensity value, determine described in be taken target metering mode corresponding to scene, bag
Include:
Calculate that described first illumination intensity value is corresponding with each region in the plurality of region respectively described
The variance of two illumination intensity values, to obtain multiple variance yields；
Calculate the described first illumination intensity value average light corresponding with multiple described second illumination intensity values according to strong
Angle value；
According to the plurality of variance yields and described average illumination intensity value, determine described in the scene that is taken corresponding
Target metering mode.
Method the most according to claim 1, it is characterised in that described according to the plurality of variance yields
With described average illumination intensity value, determine described in be taken target metering mode corresponding to scene, including:
Calculate the mean square difference that the plurality of variance yields is corresponding；
When described mean square difference is more than or equal to preset difference value, and described average illumination intensity value is less than
When presetting illumination intensity value, determine that the target metering mode that described photographed scene is corresponding is average metering pattern.
Method the most according to claim 3, it is characterised in that according to the plurality of variance yields and institute
State average illumination intensity value, determine described in be taken target metering mode corresponding to scene, also include:
When described mean square difference is less than presetting variance, and described average illumination intensity value is more than presetting illumination
During intensity level, determine metering mode centered by the target metering mode that described photographed scene is corresponding.
Method the most according to any one of claim 1 to 4, it is characterised in that described method is also
Including:
Output recommends user to use described target metering mode to carry out the information of light-metering.
Method the most according to claim 5, it is characterised in that described method also includes:
When the average metering pattern not accepting to recommend user to use receiving user's input carries out the life of light-metering
When making, output recommends user to use described some metering mode to carry out the information of light-metering.
7. the light measurer of a photographic equipment, it is characterised in that including:
First acquisition module, for obtaining the first light of the central point of the scene that is taken in interface of currently finding a view
According to intensity level；
Second acquisition module is corresponding for obtaining each region in the multiple regions around described central point
Second illumination intensity value；
Determine module, for described first illumination intensity value obtained according to described first acquisition module and institute
State described second illumination intensity value that the second acquisition module obtains, determine described in be taken mesh corresponding to scene
Mapping optical mode.
Device the most according to claim 7, it is characterised in that described determine that module includes:
First calculating sub module, for calculating respectively in described first illumination intensity value and the plurality of region
The variance of described second illumination intensity value that each region is corresponding, to obtain multiple variance yields；
Second calculating sub module, is used for calculating described first illumination intensity value and multiple described second illumination is strong
The average illumination intensity value that angle value is corresponding；
Pattern determines submodule, is used for according to the plurality of variance yields and described average illumination intensity value, really
The target metering mode that the scene that is taken described in Ding is corresponding.
Device the most according to claim 7, it is characterised in that described pattern determine submodule for:
Calculate the mean square difference that the plurality of variance yields is corresponding；When described mean square difference more than or etc.
In preset difference value, and described average illumination intensity value is less than when presetting illumination intensity value, determines described shooting
Target metering mode corresponding to scene is average metering pattern.
Device the most according to claim 9, it is characterised in that described pattern determines that submodule is also
For:
When described mean square difference is less than presetting variance, and described average illumination intensity value is more than presetting illumination
During intensity level, determine metering mode centered by the target metering mode that described photographed scene is corresponding.
11. according to the device according to any one of claim 7 to 10, it is characterised in that described device
Also include:
First output module, uses described target metering mode to carry out carrying of light-metering for exporting recommendation user
Show information.
12. devices according to claim 11, it is characterised in that described device also includes:
Second output module, for when the average survey not accepting to recommend user to use receiving user's input
When optical mode carries out the order of light-metering, output recommends user to use described some metering mode to carry out carrying of light-metering
Show information.
The light measurer of 13. 1 kinds of photographic equipments, it is characterised in that including:
Processor；
For storing the memorizer of processor executable；
Wherein, described processor is configured to:
Obtain the first illumination intensity value of the central point of the scene that is taken in interface of currently finding a view；
Obtain the second illumination intensity value that in the multiple regions around described central point, each region is corresponding；
According to described first illumination intensity value and described second illumination intensity value, determine described in be taken scene
Corresponding target metering mode.
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| CN115474007A (en) * | 2022-08-12 | 2022-12-13 | 北京城市网邻信息技术有限公司 | Shooting method, shooting device, terminal equipment and storage medium |
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| CN105959594B (en) | 2019-05-21 |
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