CN105959594B - The light measuring method and device of photographic equipment - Google Patents
The light measuring method and device of photographic equipment Download PDFInfo
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- CN105959594B CN105959594B CN201610513232.6A CN201610513232A CN105959594B CN 105959594 B CN105959594 B CN 105959594B CN 201610513232 A CN201610513232 A CN 201610513232A CN 105959594 B CN105959594 B CN 105959594B
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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
Abstract
The disclosure is directed to a kind of light measuring method of photographic equipment and devices, wherein method includes: the first illumination intensity value for obtaining the central point for the scene that is taken in interface of currently finding a view；Obtain corresponding second illumination intensity value in each region in the multiple regions around the central point；According to first illumination intensity value and second illumination intensity value, be taken the corresponding target metering mode of scene described in determination, wherein the target metering mode includes any one of following: average metering mode, spot light-metering mode, center metering mode.Pass through the technical solution, target metering mode can be automatically determined according to the scene that is currently taken, it does not need user and manually determines target metering mode, not only reduce user's operation, and in the case where user will not select metering mode, it helps user to automatically select metering mode, guarantees that user can shoot ideal photo, promote the usage experience of user.
Description
Technical field
This disclosure relates to the light measuring method and device of photographic equipment technical field more particularly to a kind of photographic equipment.
Background technique
The photometric system of photographic equipment is usually to measure the reflected brightness of subject, also referred to as reflective
Survey light.
The Exposure Metering that photographic equipment is taken at present is according to photometry element to regional scope measured in camera coverage
It is different mainly to survey light etc. including spot light-metering, center portion survey light, central emphasis average metering, average metering mode, multi-region.
Spot light-metering mode: photometry element only measures the range of picture center very little.It is when photography that camera gun is repeatedly right
Each section of quasi- shot subject measures its brightness one by one, finally determines exposure parameter according to the data measured by cameraman.
Center portion metering mode: this mode is to carry out survey light to the range for accounting for about picture 12% at picture center.
Central emphasis average metering mode: the survey light of this mode focuses on picture center (account for about picture 60%),
Combine picture edge.It can greatly reduce picture and expose bad phenomenon, be that current Single-sens reflex camera is main
Metering mode.
Average metering mode: it measures the average luminance of entire picture, is suitable for the little situation of picture light intensity difference.
Multi-region metering mode: it carries out survey light by independent photometry element to picture subregion, by the micro- of camera internal
Processor carries out data processing, acquires suitable light exposure, and exposure accuracy is high.All in shadowgraph or very big subject contrast
It can suitably be exposed, without manual synchronizing.
These metering modes usually need user oneself to go to select, if user is ignorant of photometry completely,
It is likely under the metering mode of mistake, can not shoot ideal photo forever.
Summary of the invention
The embodiment of the present disclosure provides the light measuring method and device of a kind of photographic equipment, including following technical solution:
According to the first aspect of the embodiments of the present disclosure, a kind of light measuring method of photographic equipment is provided, comprising:
Obtain the first illumination intensity value of the central point for the scene that is taken in interface of currently finding a view；
Obtain corresponding second illumination intensity value in each region in the multiple regions around the central point；
According to first illumination intensity value and second illumination intensity value, be taken the corresponding mesh of scene described in determination
Mapping optical mode.
In one embodiment, described according to first illumination intensity value and second illumination intensity value, determine institute
State the corresponding target metering mode of the scene that is taken, comprising:
Calculate separately first illumination intensity value, second illumination corresponding with region each in the multiple region
The variance of intensity value, to obtain multiple variance yields；
Calculate first illumination intensity value and the corresponding average light intensity value of multiple second illumination intensity values；
According to the multiple variance yields and the average light intensity value, the corresponding target of the scene that is taken described in determination is surveyed
Optical mode.
In one embodiment, described according to the multiple variance yields and the average light intensity value, determine the quilt
The corresponding target metering mode of photographed scene, comprising:
Calculate the corresponding mean square difference of the multiple variance yields；
When the mean square difference is more than or equal to preset difference value, and the average light intensity value is less than default illumination
When intensity value, determine that the corresponding target metering mode of the photographed scene is average metering mode.
In one embodiment, according to the multiple variance yields and the average light intensity value, determine described in be taken
The corresponding target metering mode of scene, further includes:
Variance is preset when the mean square difference is less than, and the average light intensity value is greater than default illumination intensity value
When, determine that the corresponding target metering mode of the photographed scene is center metering mode.
In one embodiment, the method also includes:
Output recommended user survey using the target metering mode prompt information of light.
In one embodiment, the method also includes:
When receive user input do not receive the average metering mode that recommended user uses carry out survey light order when, it is defeated
Recommended user survey using the spot light-metering mode prompt information of light out.
According to the second aspect of an embodiment of the present disclosure, a kind of light measurer of photographic equipment is provided, comprising:
First obtains module, the first intensity of illumination of the central point for obtaining the scene that is taken in interface of currently finding a view
Value；
Second obtains module, for obtaining corresponding second illumination in each region in the multiple regions around the central point
Intensity value；
Determining module, first illumination intensity value and described second for being obtained according to the first acquisition module obtain
Second illumination intensity value that modulus block obtains, determine described in be taken the corresponding target metering mode of scene.
In one embodiment, the determining module includes:
First computational submodule, for calculating separately each region in first illumination intensity value and the multiple region
The variance of corresponding second illumination intensity value, to obtain multiple variance yields；
Second computational submodule, it is corresponding for calculating first illumination intensity value and multiple second illumination intensity values
Average light intensity value；
Mode determines submodule, for determining the quilt according to the multiple variance yields and the average light intensity value
The corresponding target metering mode of photographed scene.
In one embodiment, the mode determines that submodule is used for:
Calculate the corresponding mean square difference of the multiple variance yields；When the mean square difference is poor more than or equal to default
Value, and when the average light intensity value is less than default illumination intensity value, determine that the corresponding target of the photographed scene surveys optical mode
Formula is average metering mode.
In one embodiment, the mode determines that submodule is also used to:
Variance is preset when the mean square difference is less than, and the average light intensity value is greater than default illumination intensity value
When, determine that the corresponding target metering mode of the photographed scene is center metering mode.
In one embodiment, described device further include:
First output module, for export recommended user using the target metering mode carry out survey light prompt information.
In one embodiment, described device further include:
Second output module, for when receive user's input do not receive average metering mode that recommended user uses into
When row surveys the order of light, output recommended user survey using the spot light-metering mode prompt information of light.
According to the third aspect of an embodiment of the present disclosure, a kind of light measurer of photographic equipment is provided, which is characterized in that packet
It includes:
Processor；
Memory for storage processor executable instruction；
Wherein, the processor is configured to:
Obtain the first illumination intensity value of the central point for the scene that is taken in interface of currently finding a view；
Obtain corresponding second illumination intensity value in each region in the multiple regions around the central point；
According to first illumination intensity value and second illumination intensity value, be taken the corresponding mesh of scene described in determination
Mapping optical mode.
The technical scheme provided by this disclosed embodiment can include the following benefits:
Above-mentioned technical proposal, it is available currently find a view be taken in interface scene central point the first illumination intensity value
And corresponding second illumination intensity value in each region in the multiple regions around the key store, thus according to the first illumination intensity value
The corresponding target metering mode of the scene that is taken is determined with the second illumination intensity value, in this way, can be according to the field that is currently taken
Scape automatically determines target metering mode, does not need user and manually determines target metering mode, not only reduces user's operation, and
In the case where user will not select metering mode, user is helped to automatically select metering mode, guarantees that user can shoot reason
The photo thought promotes the usage experience of user.
It should be understood that above general description and following detailed description be only it is exemplary and explanatory, not
The disclosure can be limited.
Detailed description of the invention
The drawings herein are incorporated into the specification and forms part of this specification, and shows the implementation for meeting the disclosure
Example, and together with specification for explaining the principles of this disclosure.
Fig. 1 is a kind of flow chart of the light measuring method of photographic equipment shown according to an exemplary embodiment.
Fig. 2 is the process of step S103 in a kind of light measuring method of photographic equipment shown according to an exemplary embodiment
Figure.
Fig. 3 is the process of step S203 in a kind of light measuring method of photographic equipment shown according to an exemplary embodiment
Figure.
Fig. 4 is the process of step S203 in the light measuring method of another photographic equipment shown according to an exemplary embodiment
Figure.
Fig. 5 is the flow chart of the light measuring method of another photographic equipment shown according to an exemplary embodiment.
Fig. 6 is the flow chart of the light measuring method of another photographic equipment shown according to an exemplary embodiment.
Fig. 7 is a kind of block diagram of the light measurer of photographic equipment shown according to an exemplary embodiment.
Fig. 8 is the block diagram of determining module in a kind of light measurer of photographic equipment shown according to an exemplary embodiment.
Fig. 9 is the block diagram of the light measurer of another photographic equipment shown according to an exemplary embodiment.
Figure 10 is the block diagram of the light measurer of another photographic equipment shown according to an exemplary embodiment.
Figure 11 is the block diagram of the light measurer shown according to an exemplary embodiment suitable for photographic equipment.
Specific embodiment
Example embodiments are described in detail here, and the example is illustrated in the accompanying drawings.Following description is related to
When attached drawing, unless otherwise indicated, the same numbers in different drawings indicate the same or similar elements.Following exemplary embodiment
Described in embodiment do not represent all implementations consistent with this disclosure.On the contrary, they be only with it is such as appended
The example of the consistent device and method of some aspects be described in detail in claims, the disclosure.
The embodiment of the present disclosure provides a kind of light measuring method of photographic equipment, and this method can be used for the filming apparatus such as camera
In, as shown in Figure 1, the method comprising the steps of S101-S103:
In step s101, the first illumination intensity value of the central point for the scene that is taken in interface of currently finding a view is obtained；
In step s 102, corresponding second illumination intensity value in each region in the multiple regions around central point is obtained；
In step s 103, according to the first illumination intensity value and the second illumination intensity value, determine that the scene that is taken is corresponding
Target metering mode.
Wherein, target metering mode may include any one of following:
Average metering mode, spot light-metering mode, center metering mode.
In this embodiment it is possible to obtain the first illumination intensity value of the central point for the scene that is taken in interface of currently finding a view
And corresponding second illumination intensity value in each region in the multiple regions around the key store, according to the first illumination intensity value and
Two illumination intensity values can determine the light intensity difference and whole light intensity of the scene that is currently taken, and then determine that the scene that is taken is corresponding
It is manually true not need user in this way, can automatically determine target metering mode according to the scene that is currently taken for target metering mode
Set the goal metering mode, not only reduces user's operation, and in the case where user will not select metering mode, helps user
Metering mode is automatically selected, guarantees that user can shoot ideal photo, promotes the usage experience of user.
As shown in Fig. 2, in one embodiment, above-mentioned steps S103 can also include step S201-S203:
In step s 201, the second illumination corresponding with region each in multiple regions of the first illumination intensity value is calculated separately
The variance of intensity value, to obtain multiple variance yields；
In step S202, the first illumination intensity value and the corresponding average light intensity of multiple second illumination intensity values are calculated
Value；
In step S203, according to multiple variance yields and average illumination intensity value, the corresponding target of scene that is taken is determined
Metering mode.
In this embodiment, it is corresponding to calculate separately each region in the first illumination intensity value and multiple regions of central point
Variance yields between second illumination intensity value, and the average light for calculating the first illumination intensity value and multiple second illumination intensity values is shone
Intensity value, in this way, the light intensity difference of central point He its peripheral region can be determined according to variance yields, it can according to average light intensity value
To determine the whole light intensity for the scene that is taken, and then corresponding target metering mode is determined according to light intensity difference and whole light intensity.
As shown in figure 3, in one embodiment, above-mentioned steps S203 may include step S301-S302:
In step 301, the corresponding mean square difference of multiple variance yields is calculated；
In step 302, when mean square difference is more than or equal to preset difference value, and average light intensity value be less than it is default
When illumination intensity value, determine that the corresponding target metering mode of photographed scene is average metering mode.
In this embodiment it is possible to preset difference value and default illumination intensity value is arranged, if mean square difference be greater than or
Equal to preset difference value, and average light intensity value is less than default illumination intensity value, then the light intensity difference of the current scene that is taken of explanation
It is very not big, and whole light intensity is not high, at this point it is possible to determine that corresponding target metering mode is average metering mode, average metering
Mode can be excessively dark to avoid a certain regional exposure, so that shooting effect is best.
As shown in figure 4, in one embodiment, above-mentioned steps S203 can also include step S401:
In step S401, variance is preset when mean square difference is less than, and average light intensity value is strong greater than default illumination
When angle value, determine that the corresponding target metering mode of photographed scene is center metering mode.
In this embodiment, if mean square difference is less than default variance, and average light intensity value is greater than default illumination
Intensity value, then the light intensity difference of the current scene that is taken of explanation is little, and whole light intensity is more sufficient, at this point it is possible to determining pair
The target metering mode answered is center metering mode, so that shooting effect is best.
As shown in figure 5, in one embodiment, the above method further includes step S501:
In step S501, output recommended user survey using target metering mode the prompt information of light.
In this embodiment, after the corresponding target metering mode of scene of determining to be taken, output recommended user is used
Target metering mode survey the prompt information of light, and user, which can choose, carries out survey light using the metering mode of recommendation, in this way, intelligence
The help user of energyization selects correct metering mode, and gives user's suggestion appropriate, even if to guarantee that user does not understand
Photometry can also shoot ideal photo, promote the usage experience of user.
As shown in fig. 6, in one embodiment, the above method can also include step S601:
In step s 601, when the average metering mode that recommended user uses that do not receive for receiving user's input is surveyed
When the order of light, output recommended user's point of use metering mode survey the prompt information of light.
In this embodiment, it carries out surveying mentioning for light using target metering mode (average metering mode) in output recommended user
After showing information, if receiving the order for not receiving the average metering mode that recommended user uses and survey light of user's input,
At this point, illustrating that user knows quite well photometry, then output recommended user's point of use metering mode carries out surveying light again
Prompt information, user can select the point for being suitble to light intensity to carry out survey light according to the actual needs of oneself under spot light-metering mode, from
And guarantee that user is helped to shoot ideal photo.
Following is embodiment of the present disclosure, can be used for executing embodiments of the present disclosure.
Fig. 7 is a kind of block diagram of the light measurer of photographic equipment shown according to an exemplary embodiment, which can be with
Pass through being implemented in combination with as some or all of of electronic equipment for software, hardware or both.As shown in fig. 7, the photography is set
Standby light measurer includes:
First obtains module 71, is configured as obtaining the first illumination of the central point for the scene that is taken in interface of currently finding a view
Intensity value；
Second obtains module 72, is configured as obtaining corresponding second light in each region in the multiple regions around central point
According to intensity value；
Determining module 73 is configured as obtaining the first illumination intensity value and the second acquisition mould that module 71 obtains according to first
The second illumination intensity value that block 72 obtains determines the corresponding target metering mode of scene that is taken, wherein target metering mode packet
It includes any one of following:
Average metering mode, spot light-metering mode, center metering mode.
In this embodiment it is possible to obtain the first illumination intensity value of the central point for the scene that is taken in interface of currently finding a view
And corresponding second illumination intensity value in each region in the multiple regions around the key store, according to the first illumination intensity value and
Two illumination intensity values can determine the light intensity difference and whole light intensity of the scene that is currently taken, and then determine that the scene that is taken is corresponding
It is manually true not need user in this way, can automatically determine target metering mode according to the scene that is currently taken for target metering mode
Set the goal metering mode, not only reduces user's operation, and in the case where user will not select metering mode, helps user
Metering mode is automatically selected, guarantees that user can shoot ideal photo, promotes the usage experience of user.
As shown in figure 8, in one embodiment, determining module 73 includes:
First computational submodule 81 is configured to calculate each region pair in the first illumination intensity value and multiple regions
The variance for the second illumination intensity value answered, to obtain multiple variance yields；
Second computational submodule 82 is configured as calculating the first illumination intensity value and multiple second illumination intensity values is corresponding
Average light intensity value；
Mode determines submodule 83, is configured as determining the field that is taken according to multiple variance yields and average illumination intensity value
The corresponding target metering mode of scape.
In this embodiment, it is corresponding to calculate separately each region in the first illumination intensity value and multiple regions of central point
Variance yields between second illumination intensity value, and the average light for calculating the first illumination intensity value and multiple second illumination intensity values is shone
Intensity value, in this way, the light intensity difference of central point He its peripheral region can be determined according to variance yields, it can according to average light intensity value
To determine the whole light intensity for the scene that is taken, and then corresponding target metering mode is determined according to light intensity difference and whole light intensity.
In one embodiment, mode determines that submodule 83 is used for:
Calculate the corresponding mean square difference of multiple variance yields；When mean square difference is more than or equal to preset difference value, and it is flat
When equal illumination intensity value is less than default illumination intensity value, determine that the corresponding target metering mode of photographed scene is average metering mould
Formula.
In this embodiment it is possible to preset difference value and default illumination intensity value is arranged, if mean square difference be greater than or
Equal to preset difference value, and average light intensity value is less than default illumination intensity value, then the light intensity difference of the current scene that is taken of explanation
It is very not big, and whole light intensity is not high, at this point it is possible to determine that corresponding target metering mode is average metering mode, average metering
Mode can be excessively dark to avoid a certain regional exposure, so that shooting effect is best.
In one embodiment, mode determines that submodule 83 is also used to:
When mean square difference is less than default variance, and average light intensity value is greater than default illumination intensity value, determines and clap
Taking the photograph the corresponding target metering mode of scene is center metering mode.
In this embodiment, if mean square difference is less than default variance, and average light intensity value is greater than default illumination
Intensity value, then the light intensity difference of the current scene that is taken of explanation is little, and whole light intensity is more sufficient, at this point it is possible to determining pair
The target metering mode answered is center metering mode, so that shooting effect is best.
As shown in figure 9, in one embodiment, above-mentioned apparatus further include:
First output module 91 is configured as output recommended user and is believed using the prompt that target metering mode survey light
Breath.
In this embodiment, after the corresponding target metering mode of scene of determining to be taken, output recommended user is used
Target metering mode survey the prompt information of light, and user, which can choose, carries out survey light using the metering mode of recommendation, in this way, intelligence
The help user of energyization selects correct metering mode, and gives user's suggestion appropriate, even if to guarantee that user does not understand
Photometry can also shoot ideal photo, promote the usage experience of user.
As shown in Figure 10, in one embodiment, above-mentioned apparatus further include:
Second output module 1001 is configured as when the average survey for not receiving recommended user and using for receiving user's input
When optical mode carries out surveying the order of light, output recommended user's point of use metering mode survey the prompt information of light.
In this embodiment, it carries out surveying mentioning for light using target metering mode (average metering mode) in output recommended user
After showing information, if receiving the order for not receiving the average metering mode that recommended user uses and survey light of user's input,
At this point, illustrating that user knows quite well photometry, then output recommended user's point of use metering mode carries out surveying light again
Prompt information, user can select the point for being suitble to light intensity to carry out survey light according to the actual needs of oneself under spot light-metering mode, from
And guarantee that user is helped to shoot ideal photo.
According to the third aspect of an embodiment of the present disclosure, a kind of light measurer of photographic equipment is provided, comprising:
Processor；
Memory for storage processor executable instruction；
Wherein, processor is configured as:
Obtain the first illumination intensity value of the central point for the scene that is taken in interface of currently finding a view；
Obtain corresponding second illumination intensity value in each region in the multiple regions around the central point；
According to first illumination intensity value and second illumination intensity value, be taken the corresponding mesh of scene described in determination
Mapping optical mode, wherein the target metering mode includes any one of following:
Average metering mode, spot light-metering mode, center metering mode.
Above-mentioned processor is also configured to:
It is described according to first illumination intensity value and second illumination intensity value, determine described in the scene that is taken it is corresponding
Target metering mode, comprising:
Calculate separately first illumination intensity value, second illumination corresponding with region each in the multiple region
The variance of intensity value, to obtain multiple variance yields；
Calculate first illumination intensity value and the corresponding average light intensity value of multiple second illumination intensity values；
According to the multiple variance yields and the average light intensity value, the corresponding target of the scene that is taken described in determination is surveyed
Optical mode.
Above-mentioned processor is also configured to:
It is described according to the multiple variance yields and the average light intensity value, determine described in be taken the corresponding mesh of scene
Mapping optical mode, comprising:
Calculate the corresponding mean square difference of the multiple variance yields；
When the mean square difference is more than or equal to preset difference value, and the average light intensity value is less than default illumination
When intensity value, determine that the corresponding target metering mode of the photographed scene is average metering mode.
Above-mentioned processor is also configured to:
According to the multiple variance yields and the average light intensity value, the corresponding target of the scene that is taken described in determination is surveyed
Optical mode, further includes:
Variance is preset when the mean square difference is less than, and the average light intensity value is greater than default illumination intensity value
When, determine that the corresponding target metering mode of the photographed scene is center metering mode.
Above-mentioned processor is also configured to:
Output recommended user survey using the target metering mode prompt information of light.
Above-mentioned processor is also configured to:
When receive user input do not receive the average metering mode that recommended user uses carry out survey light order when, it is defeated
Recommended user survey using the spot light-metering mode prompt information of light out.
Figure 11 is a kind of block diagram of light measurer for photographic equipment shown according to an exemplary embodiment, the device
Suitable for photographic equipment.For example, device 1100 can be camera, mobile phone, computer, digital broadcast terminal, information receiving and transmitting
Equipment, game console, tablet device, Medical Devices, body-building equipment, personal digital assistant etc..
Device 1100 may include following one or more components: processing component 1102, memory 1104, power supply module
1106, multimedia component 1108, audio component 1110, the interface 1112 of input/output (I/O), sensor module 1114, and
Communication component 1116.
The integrated operation of the usual control device 1100 of processing component 1102, such as with display, telephone call, data communication,
Camera operation and record operate associated operation.Processing component 1102 may include one or more processors 1120 to execute
Instruction, to perform all or part of the steps of the methods described above.In addition, processing component 1102 may include one or more moulds
Block, convenient for the interaction between processing component 1102 and other assemblies.For example, processing component 1102 may include multi-media module,
To facilitate the interaction between multimedia component 1108 and processing component 1102.
Memory 1104 is configured as storing various types of data to support the operation in device 1100.These data
Example includes the instruction of any application or method for operating on device 1100, contact data, telephone book data,
Message, picture, video etc..Memory 1104 can by any kind of volatibility or non-volatile memory device or they
Combination is realized, such as static random access memory (SRAM), electrically erasable programmable read-only memory (EEPROM), it is erasable can
Program read-only memory (EPROM), programmable read only memory (PROM), read-only memory (ROM), magnetic memory, flash memory
Reservoir, disk or CD.
Power supply module 1106 provides electric power for the various assemblies of device 1100.Power supply module 1106 may include power management
System, one or more power supplys and other with for device 1100 generate, manage, and distribute the associated component of electric power.
Multimedia component 1108 includes the screen of one output interface of offer between described device 1100 and user.?
In some embodiments, screen may include liquid crystal display (LCD) and touch panel (TP).If screen includes touch panel,
Screen may be implemented as touch screen, to receive input signal from the user.Touch panel includes that one or more touch passes
Sensor is to sense the gesture on touch, slide, and touch panel.The touch sensor can not only sense touch or sliding is dynamic
The boundary of work, but also detect duration and pressure associated with the touch or slide operation.In some embodiments, more
Media component 1108 includes a front camera and/or rear camera.When device 1100 is in operation mode, as shot mould
When formula or video mode, front camera and/or rear camera can receive external multi-medium data.Each preposition camera shooting
Head and rear camera can be a fixed optical lens system or have focusing and optical zoom capabilities.
Audio component 1110 is configured as output and/or input audio signal.For example, audio component 1110 includes a wheat
Gram wind (MIC), when device 1100 is in operation mode, when such as call mode, recording mode, and voice recognition mode, microphone quilt
It is configured to receive external audio signal.The received audio signal can be further stored in memory 1104 or via communication
Component 1116 is sent.In some embodiments, audio component 1110 further includes a loudspeaker, is used for output audio signal.
I/O interface 1112 provides interface, above-mentioned peripheral interface module between processing component 1102 and peripheral interface module
It can be keyboard, click wheel, button etc..These buttons may include, but are not limited to: home button, volume button, start button and
Locking press button.
Sensor module 1114 includes one or more sensors, and the state for providing various aspects for device 1100 is commented
Estimate.For example, sensor module 1114 can detecte the state that opens/closes of device 1100, the relative positioning of component, such as institute
The display and keypad that component is device 1100 are stated, sensor module 1114 can be with detection device 1100 or device 1,100 1
The position change of a component, the existence or non-existence that user contacts with device 1100,1100 orientation of device or acceleration/deceleration and dress
Set 1100 temperature change.Sensor module 1114 may include proximity sensor, be configured in not any physics
It is detected the presence of nearby objects when contact.Sensor module 1114 can also include optical sensor, as CMOS or ccd image are sensed
Device, for being used in imaging applications.In some embodiments, which can also include acceleration sensing
Device, gyro sensor, Magnetic Sensor, pressure sensor or temperature sensor.
Communication component 1116 is configured to facilitate the communication of wired or wireless way between device 1100 and other equipment.Dress
The wireless network based on communication standard, such as WiFi can be accessed by setting 1100,2G or 3G or their combination.It is exemplary at one
In embodiment, communication component 1116 receives broadcast singal or broadcast correlation from external broadcasting management system via broadcast channel
Information.In one exemplary embodiment, the communication component 1116 further includes near-field communication (NFC) module, to promote short distance
Communication.For example, radio frequency identification (RFID) technology, Infrared Data Association (IrDA) technology, ultra wide band can be based in NFC module
(UWB) technology, bluetooth (BT) technology and other technologies are realized.
In the exemplary embodiment, device 1100 can be by one or more application specific integrated circuit (ASIC), number
Signal processor (DSP), digital signal processing appts (DSPD), programmable logic device (PLD), field programmable gate array
(FPGA), controller, microcontroller, microprocessor or other electronic building bricks are realized, for executing the above method.
In the exemplary embodiment, a kind of non-transitorycomputer readable storage medium including instruction, example are additionally provided
It such as include the memory 1104 of instruction, above-metioned instruction can be executed by the processor 1120 of device 1100 to complete the above method.Example
Such as, the non-transitorycomputer readable storage medium can be ROM, random access memory (RAM), CD-ROM, tape, soft
Disk and optical data storage devices etc..
A kind of non-transitorycomputer readable storage medium, when the instruction in the storage medium is by the processing of device 1100
When device executes, so that device 1100 is able to carry out the light measuring method of above-mentioned photographic equipment, which comprises
Obtain the first illumination intensity value of the central point for the scene that is taken in interface of currently finding a view；
Obtain corresponding second illumination intensity value in each region in the multiple regions around the central point；
According to first illumination intensity value and second illumination intensity value, be taken the corresponding mesh of scene described in determination
Mapping optical mode, wherein the target metering mode includes any one of following:
Average metering mode, spot light-metering mode, center metering mode.
In one embodiment, described according to first illumination intensity value and second illumination intensity value, determine institute
State the corresponding target metering mode of the scene that is taken, comprising:
Calculate separately first illumination intensity value, second illumination corresponding with region each in the multiple region
The variance of intensity value, to obtain multiple variance yields；
Calculate first illumination intensity value and the corresponding average light intensity value of multiple second illumination intensity values；
According to the multiple variance yields and the average light intensity value, the corresponding target of the scene that is taken described in determination is surveyed
Optical mode.
In one embodiment, described according to the multiple variance yields and the average light intensity value, determine the quilt
The corresponding target metering mode of photographed scene, comprising:
Calculate the corresponding mean square difference of the multiple variance yields；
When the mean square difference is more than or equal to preset difference value, and the average light intensity value is less than default illumination
When intensity value, determine that the corresponding target metering mode of the photographed scene is average metering mode.
In one embodiment, according to the multiple variance yields and the average light intensity value, determine described in be taken
The corresponding target metering mode of scene, further includes:
Variance is preset when the mean square difference is less than, and the average light intensity value is greater than default illumination intensity value
When, determine that the corresponding target metering mode of the photographed scene is center metering mode.
In one embodiment, the method also includes:
Output recommended user survey using the target metering mode prompt information of light.
In one embodiment, the method also includes:
When receive user input do not receive the average metering mode that recommended user uses carry out survey light order when, it is defeated
Recommended user survey using the spot light-metering mode prompt information of light out.
Those skilled in the art will readily occur to its of the disclosure after considering specification and practicing disclosure disclosed herein
Its embodiment.This application is intended to cover any variations, uses, or adaptations of the disclosure, these modifications, purposes or
Person's adaptive change follows the general principles of this disclosure and including the undocumented common knowledge in the art of the disclosure
Or conventional techniques.The description and examples are only to be considered as illustrative, and the true scope and spirit of the disclosure are by following
Claim is pointed out.
It should be understood that the present disclosure is not limited to the precise structures that have been described above and shown in the drawings, and
And various modifications and changes may be made without departing from the scope thereof.The scope of the present disclosure is only limited by the accompanying claims.
Claims (11)
1. a kind of light measuring method of photographic equipment characterized by comprising
Obtain the first illumination intensity value of the central point for the scene that is taken in interface of currently finding a view；
Obtain corresponding second illumination intensity value in each region in the multiple regions around the central point；
According to first illumination intensity value and second illumination intensity value, the corresponding target of the scene that is taken described in determination is surveyed
Optical mode；
It is described according to first illumination intensity value and second illumination intensity value, determine described in be taken the corresponding mesh of scene
Mapping optical mode, comprising:
Calculate separately first illumination intensity value, second intensity of illumination corresponding with region each in the multiple region
The variance of value, to obtain multiple variance yields；
Calculate first illumination intensity value and the corresponding average light intensity value of multiple second illumination intensity values；
According to the multiple variance yields and the average light intensity value, the corresponding target of the scene that is taken described in determination surveys optical mode
Formula.
2. the method according to claim 1, wherein described shine according to the multiple variance yields and the average light
Intensity value, determine described in be taken the corresponding target metering mode of scene, comprising:
Calculate the corresponding mean square difference of the multiple variance yields；
When the mean square difference is more than or equal to preset difference value, and the average light intensity value is less than default intensity of illumination
When value, determine that the corresponding target metering mode of the photographed scene is average metering mode.
3. according to the method described in claim 2, it is characterized in that, according to the multiple variance yields and the average light intensity
It is worth, be taken the corresponding target metering mode of scene described in determination, further includes:
When the mean square difference is less than default variance, and the average light intensity value is greater than default illumination intensity value, really
Determining the corresponding target metering mode of the photographed scene is center metering mode.
4. according to the method in any one of claims 1 to 3, which is characterized in that the method also includes:
Output recommended user survey using the target metering mode prompt information of light.
5. according to the method described in claim 4, it is characterized in that, the method also includes:
When receive user input do not receive the average metering mode that recommended user uses carry out survey light order when, output pushes away
Recommend the prompt information that user's point of use metering mode survey light.
6. a kind of light measurer of photographic equipment characterized by comprising
First obtains module, the first illumination intensity value of the central point for obtaining the scene that is taken in interface of currently finding a view；
Second obtains module, for obtaining corresponding second intensity of illumination in each region in the multiple regions around the central point
Value；
Determining module obtains mould for obtaining first illumination intensity value and described second that module obtains according to described first
Second illumination intensity value that block obtains, determine described in be taken the corresponding target metering mode of scene；
The determining module includes:
First computational submodule, it is corresponding with each region in the multiple region for calculating separately first illumination intensity value
Second illumination intensity value variance, to obtain multiple variance yields；
Second computational submodule, it is corresponding flat for calculating first illumination intensity value and multiple second illumination intensity values
Equal illumination intensity value；
Mode determines submodule, for being taken described according to the multiple variance yields and the average light intensity value, determining
The corresponding target metering mode of scene.
7. device according to claim 6, which is characterized in that the mode determines that submodule is used for:
Calculate the corresponding mean square difference of the multiple variance yields；When the mean square difference be more than or equal to preset difference value,
And the average light intensity value determines that the corresponding target metering mode of the photographed scene is when being less than default illumination intensity value
Average metering mode.
8. device according to claim 7, which is characterized in that the mode determines that submodule is also used to:
When the mean square difference is less than default variance, and the average light intensity value is greater than default illumination intensity value, really
Determining the corresponding target metering mode of the photographed scene is center metering mode.
9. the device according to any one of claim 6 to 8, which is characterized in that described device further include:
First output module, for export recommended user using the target metering mode carry out survey light prompt information.
10. device according to claim 9, which is characterized in that described device further include:
Second output module, for being surveyed when the average metering mode that recommended user uses that do not receive for receiving user's input
When the order of light, output recommended user's point of use metering mode survey the prompt information of light.
11. a kind of light measurer of photographic equipment characterized by comprising
Processor；
Memory for storage processor executable instruction；
Wherein, the processor is configured to:
Obtain the first illumination intensity value of the central point for the scene that is taken in interface of currently finding a view；
Obtain corresponding second illumination intensity value in each region in the multiple regions around the central point；
According to first illumination intensity value and second illumination intensity value, the corresponding target of the scene that is taken described in determination is surveyed
Optical mode；
It is described according to first illumination intensity value and second illumination intensity value, determine described in be taken the corresponding mesh of scene
Mapping optical mode, comprising:
Calculate separately first illumination intensity value, second intensity of illumination corresponding with region each in the multiple region
The variance of value, to obtain multiple variance yields；
Calculate first illumination intensity value and the corresponding average light intensity value of multiple second illumination intensity values；
According to the multiple variance yields and the average light intensity value, the corresponding target of the scene that is taken described in determination surveys optical mode
Formula.
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| CN106773453B (en) * | 2017-01-22 | 2020-03-31 | 奇酷互联网络科技（深圳）有限公司 | Camera exposure method and device and mobile terminal |
| WO2020215274A1 (en) * | 2019-04-25 | 2020-10-29 | 深圳市大疆创新科技有限公司 | Unmanned aerial vehicle and image capture control method therefor |
| CN110493524B (en) * | 2019-08-28 | 2021-05-28 | 深圳市道通智能航空技术股份有限公司 | Photometric adjustment method, device and equipment and storage medium |
| CN114002868A (en) * | 2021-06-04 | 2022-02-01 | 巽腾(广东)科技有限公司 | Image generation method, device, equipment and storage medium based on LCD liquid crystal panel |
| 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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| CN105578062A (en) * | 2014-10-14 | 2016-05-11 | 宏碁股份有限公司 | Light metering mode selection method and image acquisition device utilizing same |
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| CN101800859A (en) * | 2009-02-11 | 2010-08-11 | 三星数码影像株式会社 | Be used to the image pickup method and the equipment that use multiple metering mode repeatedly to take |
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