CN105959587A - Shutter speed acquisition method and device - Google Patents
Shutter speed acquisition method and device Download PDFInfo
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- CN105959587A CN105959587A CN201610366320.8A CN201610366320A CN105959587A CN 105959587 A CN105959587 A CN 105959587A CN 201610366320 A CN201610366320 A CN 201610366320A CN 105959587 A CN105959587 A CN 105959587A
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- Prior art keywords
- speed
- filming apparatus
- relative moving
- shutter speed
- shot
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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
- H04N23/73—Circuitry for compensating brightness variation in the scene by influencing the exposure time
Abstract
The invention discloses a shutter speed acquisition method and a device. The method comprises steps that a relative movement speed of a shooting device and a to-be-shot object is acquired, a photosensitive coefficient of the shooting device is determined according to environment brightness, an initial shutter speed is acquired according to the photosensitive coefficient and preset frame quality, the initial shutter speed is adjusted according to the relative movement speed, and the target shutter speed is acquired. According to the method, the relative movement speed of the shooting device and the to-be-shot object is acquired, the photosensitive coefficient of the shooting device is determined according to environment brightness, the initial shutter speed is acquired according to the photosensitive coefficient and preset frame quality, the initial shutter speed is adjusted according to the relative movement speed, the target shutter speed is acquired, precision of the shutter speed is improved, quality of a shot image can be improved by employing the target shutter speed, and blurring of the shot image is avoided.
Description
Technical field
It relates to the communications field, particularly to a kind of shutter speed acquisition methods and device.
Background technology
Along with the raising of people's living standard, intelligent terminal is widely used, existing intelligence shooting
Device the most all has camera function, and so, user can use the camera function record of intelligence filming apparatus
The daily life of oneself, it is the most convenient to bring to the life of people.
In correlation technique, filming apparatus arranges acquisition parameters, and root automatically according to the monochrome information of current picture
Shooting according to this acquisition parameters, wherein, acquisition parameters includes shutter speed and light sensitivitys.
Summary of the invention
Disclosure embodiment provides a kind of shutter speed acquisition methods and device.Described technical scheme is as follows:
First aspect according to disclosure embodiment, it is provided that a kind of shutter speed acquisition methods, including:
Obtain the relative moving speed of filming apparatus and object to be shot；
The photosensitive coefficient of described filming apparatus is determined according to ambient brightness；
According to described photosensitive coefficient and default image quality, obtain initial shutter speed；
According to described relative moving speed, described initial shutter speed is adjusted, it is thus achieved that target shutter speed
Degree.
Second aspect according to disclosure embodiment, it is provided that a kind of shutter speed acquisition device, including:
Relative moving speed acquisition module, is configured to the relative movement obtaining filming apparatus with object to be shot
Speed；
Photosensitive coefficient acquisition module, is configured to determine the photosensitive coefficient of described filming apparatus according to ambient brightness；
Initial shutter speed acquisition module, is configured to, according to described photosensitive coefficient and default image quality, obtain
Take initial shutter speed；
Target shutter speed acquisition module, is configured to according to described relative moving speed, to described initial fast
Door speed is adjusted, it is thus achieved that target shutter speed.
The third aspect according to disclosure embodiment, it is provided that a kind of shutter speed acquisition device, including:
Processor；
For storing the memorizer of the executable instruction of described processor；
Wherein, described processor is configured to:
Obtain the relative moving speed of filming apparatus and object to be shot；
The photosensitive coefficient of described filming apparatus is determined according to ambient brightness；
According to described photosensitive coefficient and default image quality, obtain initial shutter speed；
According to described relative moving speed, described initial shutter speed is adjusted, it is thus achieved that target shutter speed
Degree.
The technical scheme that disclosure embodiment provides can include following beneficial effect:
By obtaining the relative moving speed of filming apparatus and object to be shot, and determine bat according to ambient brightness
Take the photograph the photosensitive coefficient of device, according to photosensitive coefficient and default image quality, obtain initial shutter speed, then,
According to relative moving speed, initial shutter speed is adjusted, it is thus achieved that target shutter speed, thus improves
The precision of shutter speed, i.e. uses this target shutter speed can improve the quality of image of shooting, it is to avoid
The image virtualization shot.
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 the disclosure
Embodiment, and for explaining the principle of the disclosure together with description.
Fig. 1 is the flow chart according to a kind of shutter speed acquisition methods shown in an exemplary embodiment；
Fig. 2 is the flow chart according to a kind of shutter speed acquisition methods shown in another exemplary embodiment；
Fig. 3 is the flow chart according to a kind of shutter speed acquisition methods shown in another exemplary embodiment；
Fig. 4 is the flow chart according to a kind of shutter speed acquisition methods shown in further example embodiment；
Fig. 5 is the block diagram according to a kind of shutter speed acquisition device shown in an exemplary embodiment；
Fig. 6 is the block diagram according to a kind of shutter speed acquisition device shown in another exemplary embodiment；
Fig. 7 is the block diagram according to a kind of shutter speed acquisition device shown in another exemplary embodiment；
Fig. 8 is the block diagram according to a kind of shutter speed acquisition device shown in further example embodiment；
Fig. 9 is the block diagram according to a kind of shutter speed acquisition device shown in further example embodiment；
Figure 10 is the block diagram according to a kind of shutter speed acquisition device shown in further example embodiment；
Figure 11 is the block diagram according to a kind of shutter speed acquisition device shown in further example embodiment.
By above-mentioned accompanying drawing, it has been shown that the embodiment that the disclosure is clear and definite, hereinafter will be described in more detail.
These accompanying drawings and word describe the scope being not intended to be limited disclosure design by any mode, but logical
Crossing with reference to specific embodiment is the concept that those skilled in the art illustrate the disclosure.
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 key element.
Embodiment described in following exemplary embodiment does not represent all embodiment party consistent with the disclosure
Formula.On the contrary, they only with describe in detail in appended claims, the disclosure some in terms of mutually one
The example of the apparatus and method caused.
First the several nouns involved by disclosure embodiment are explained:
Filming apparatus: refer to the equipment for shooting image, for example, it may be mobile phone, panel computer, individual
Personal digital assistant's (PersonalDigitalAssistant is called for short PDA) etc..
Global positioning system (Global Positioning System is called for short GPS), is that a middle distance is round
Orbiter navigation system.It can be the earth surface overwhelming majority area (98%) provide accurately location,
Test the speed and high-precision time standard.
Photosensitive coefficient: refer to the sensitivity to light of the sensor devices in filming apparatus, wherein, photosensitive coefficient
The biggest then sensor devices is the highest to the sensitivity of light.
Shutter speed, refers to that shutter is held open the time of state when using filming apparatus to shoot.
F-number, is focal length and the camera lens of the camera lens relative value of leading to the ratio of light diameter.
IEEE-USA (Institute of Electrical and Electronics Engineers,
It is called for short IEEE) 802.11p agreement is the communication protocol expanded by IEEE 802.11 standard, mainly
For vehicle electronics radio communication.
With specifically embodiment, shutter speed acquisition methods is described in detail below.These are concrete below
Embodiment can be combined with each other, may in some embodiment no longer for same or analogous concept or process
Repeat.
Fig. 1 is the flow chart according to a kind of shutter speed acquisition methods shown in an exemplary embodiment, this reality
Execute example to be applied to filming apparatus with this shutter speed acquisition methods and illustrate.As it is shown in figure 1, this shutter
Velocity acquiring method can include following several step.
In a step 101, the relative moving speed of filming apparatus and object to be shot is obtained.
In the disclosed embodiments, after filming apparatus locking object to be shot, filming apparatus obtains automatically
Relative moving speed with object to be shot.
In a kind of possible implementation, filming apparatus obtains the translational speed of filming apparatus respectively and waits to clap
Take the photograph the translational speed of object, and calculate the relative moving speed obtained between filming apparatus and object to be shot.
As an example, filming apparatus Negotiation speed measurement apparatus, obtain the translational speed of filming apparatus.
As another example, filming apparatus is by receiving the information that object to be shot sends, and according to this information
Obtain the translational speed of object to be shot.
In alternatively possible implementation, filming apparatus, by radar velocity measurement mode, obtains filming apparatus
With the relative moving speed of object to be shot, so, improve filming apparatus shifting relative with object to be shot
The acquisition efficiency of dynamic speed.
As an example, after filming apparatus locking shooting object, the radar velocity measurement of filming apparatus can be triggered
Module sends radar beam to object to be shot, when radar beam arrives the surface of object to be shot, and can quilt
Being reflected back radar velocity measurement module, radar velocity measurement module obtains this radar beam according to the radar beam being reflected back
Doppler frequency shift, and obtain between filming apparatus and object to be shot relative is calculated according to this Doppler frequency shift
Translational speed.
It should be noted that when filming apparatus remain static shooting object time, then filming apparatus with treat
The relative moving speed of shooting object is the translational speed of object to be shot, and such as, user is still in roadside
The vehicle travelled on hand-held filming apparatus shooting road, then filming apparatus is fast with the relative movement of object to be shot
Degree is the travel speed of vehicle to be captured.
When filming apparatus is in mobile status and object to be shot is resting state, then filming apparatus with wait to clap
The relative moving speed taking the photograph object is the translational speed of filming apparatus, and such as, the hand-held filming apparatus of user exists
Train photographs trees outside window, then the relative moving speed of filming apparatus and object to be shot is and records
The translational speed of filming apparatus, wherein, when train and this filming apparatus geo-stationary, the shifting of filming apparatus
Dynamic speed is the translational speed of train.
When filming apparatus is in mobile status and object to be shot is also at mobile status, then filming apparatus with
The relative moving speed of object to be shot is the translational speed of filming apparatus and the translational speed of object to be shot
The absolute value of difference, such as, the hand-held filming apparatus of user is with speed v1The vehicle photographs of movement outside window with
Speed v2The vehicle of movement, then filming apparatus is with the relative moving speed of object to be shot | v1-v2|。
In a step 102, the photosensitive coefficient of filming apparatus is determined according to ambient brightness.
In the disclosed embodiments, after filming apparatus locking object to be shot, filming apparatus can detect and treat
Shooting ambient brightness residing for object, adjusts the photosensitive coefficient of filming apparatus automatically.
It should be noted that when detecting that ambient brightness is higher, then photosensitive coefficient is turned down, when detecting
When ambient brightness is relatively low, then photosensitive coefficient is heightened.
In step 103, according to photosensitive coefficient and default image quality, initial shutter speed is obtained.
In the disclosed embodiments, filming apparatus, according to photosensitive coefficient and default image quality, calculates at the beginning of obtaining
Beginning shutter speed.
When f-number is fixed, owing to the quality of picture depends primarily on shutter speed and photosensitive coefficient, and
These acquisition parameters have following impact to the quality of image.
In the case of photosensitive coefficient is constant, shutter speed is the fastest, and picture is the darkest, and dynamically virtualization representability is more
Weak；Otherwise, shutter speed is the slowest, and picture is the brightest, and dynamic process expression effect is the best.
In the case of shutter speed is constant, photosensitive coefficient is the highest, and picture is the brightest, and noise is the most；Otherwise,
Photosensitive coefficient is the lowest, and picture is the darkest, and noise is the fewest.
It should be noted that photosensitive coefficient, default image quality and shutter speed are certain relation, when default picture
When face quality and photosensitive coefficient determine, the value of shutter speed can also determine accordingly.
At step 104, according to relative moving speed, initial shutter speed is adjusted, it is thus achieved that target
Shutter speed.
In the disclosed embodiments, filming apparatus according to relative moving speed, initial shutter speed is adjusted to
Target shutter speed.
It should be noted that when relative moving speed is bigger, target shutter speed should be greater than initial shutter speed
Degree, so, is just avoided that the problem that virtualization occurs in the subject image shot.
Furthermore, it is necessary to explanation, step 101 must perform before step 104, such as, and step 101
Can perform before step 102, it is also possible to and step 102 performs simultaneously, it is also possible to step 102 it
Rear and performed before step 103, it is also possible to and step 103 performs simultaneously, it is also possible to step 103 it
Afterwards and performed before step 104.
In sum, the shutter speed acquisition methods that the present embodiment provides, by obtaining filming apparatus and waiting to clap
Take the photograph the relative moving speed of object, and determine the photosensitive coefficient of filming apparatus according to ambient brightness, according to photosensitive
Coefficient and default image quality, obtain initial shutter speed, then, according to relative moving speed, to initially
Shutter speed is adjusted, it is thus achieved that target shutter speed, thus improves the precision of shutter speed, i.e. uses
This target shutter speed can improve the quality of the image of shooting, it is to avoid the image virtualization shot.
Fig. 2 is the flow chart according to a kind of shutter speed acquisition methods shown in another exemplary embodiment, this
Embodiment is applied to filming apparatus with this shutter speed acquisition methods and illustrates.As in figure 2 it is shown, at Fig. 1
On the basis of embodiment, the step 104 in this shutter speed acquisition methods can include following several step.
In step 301, according to relative moving speed and the corresponding relation of adjusted value, adjusted value is determined.
In the disclosed embodiments, filming apparatus by inquiry relative moving speed and the corresponding relation of adjusted value,
Determine the enabling speed adjusted value that this relative moving speed is corresponding.
In a kind of possible implementation, before step 301, according to historical experience value, set up relatively
Translational speed and the corresponding relation of adjusted value.
Wherein, this corresponding relation can be stored in filming apparatus, it is also possible to is stored in Cloud Server.
If it should be noted that this corresponding relation is stored in Cloud Server, filming apparatus can be by cloud
Server sends inquiry request, and wherein, inquiry request includes that filming apparatus is relative with object to be shot and moves
Dynamic speed, Cloud Server inquires about the correspondence of this relative moving speed and adjusted value according to the inquiry request received
Relation, and the adjusted value inquired is sent to capture apparatus.
As an example, when filming apparatus by being respectively adopted different shutter speed to each relative moving speed
Shooting effect test, finally give the optimum shutter speed adjusted value that each relative moving speed is corresponding,
And according to this optimum shutter speed adjusted value, set up the corresponding relation of relative moving speed and adjusted value.
It should be noted that multiple relative moving speeds can a corresponding adjusted value, such as, filming apparatus
It is when 18km/h-20km/h with the relative moving speed of object to be shot, and initial shutter speed is
1/2000s, then adjusted value is 1/4000s-1/2000s.
In step 302, according to adjusted value, adjust initial shutter speed, it is thus achieved that target shutter speed.
In the disclosed embodiments, initial shutter speed is adjusted to target shutter by filming apparatus according to adjusted value
Speed.
As an example, adjusted value is gear number, such as, if adjusted value is 1, then it represents that in initial shutter speed
On the basis of add a gear, if adjusted value is-1, then it represents that the gear that subtracts on the basis of initial shutter speed, even
Initial shutter speed is 1/30 second, and adjusted value is 1, then target shutter speed is 1/60 second.
In sum, the shutter speed acquisition methods that the present embodiment provides, by according to relative moving speed and
The corresponding relation of adjusted value, determines adjusted value, and according to adjusted value, adjusts initial shutter speed, it is thus achieved that mesh
Mark shutter speed, so can improve the acquisition efficiency of target shutter speed.
Fig. 3 is the flow chart according to a kind of shutter speed acquisition methods shown in another exemplary embodiment, this
Embodiment is applied to filming apparatus with this shutter speed acquisition methods and illustrates.As it is shown on figure 3, at Fig. 1
On the basis of embodiment, the step 101 in this shutter speed acquisition methods can include following several step.
In step 401, the translational speed message that object to be shot sends is received.
In the disclosed embodiments, after filming apparatus locking object to be shot, filming apparatus can be triggered and connect
The over translational speed message taking the photograph object transmission.
As an example, object to be shot is vehicle, and vehicle is mounted with board units, and board units uses
IEEE 802.11p agreement is periodically moved speed messages, and the reception equipment in its communication range can receive
To this translational speed message.
Need to say, in the disclosed embodiments, only after filming apparatus locking object to be shot,
Filming apparatus just can receive the translational speed message of the board units broadcast on this object to be shot, otherwise refuses
Receive the translational speed message of board units broadcast.
In step 402, the translational speed of filming apparatus is obtained.
In a kind of possible implementation, by gyroscope or the acceleration transducer of filming apparatus, obtain
Take the translational speed of filming apparatus.
In step 403, according to translational speed and the translational speed message of shooting object of filming apparatus, really
Determine the relative moving speed of filming apparatus and object to be shot.
In the disclosed embodiments, filming apparatus is according to the translational speed of this filming apparatus and object to be shot
Translational speed, calculates the relative moving speed obtaining filming apparatus with object to be shot, i.e. filming apparatus and treats
The translational speed that relative moving speed is filming apparatus of shooting object and the difference of the translational speed of object to be shot
The absolute value of value.
In sum, the shutter speed acquisition methods that the present embodiment provides, send by receiving object to be shot
Translational speed message, obtain the translational speed of filming apparatus, and according to the translational speed of filming apparatus and bat
Take the photograph the translational speed message of object, determine the relative moving speed of filming apparatus and object to be shot, so,
Improve the acquisition efficiency of filming apparatus and the relative moving speed of object to be shot.
Fig. 4 is the flow chart according to a kind of shutter speed acquisition methods shown in further example embodiment, this
Embodiment is applied to filming apparatus with this shutter speed acquisition methods and illustrates.As shown in Figure 4, at Fig. 1
On the basis of embodiment, the step 101 in this shutter speed acquisition methods can include following several step.
In step 501, by global position system GPS location technology, the movement of object to be shot is obtained
Speed.
In the disclosed embodiments, after filming apparatus locking object to be shot, filming apparatus can be triggered
GPS receiver module receives the geographical location information of object to be shot within the default time, and presets according to this
Geographical location information in time calculates and obtains the displacement in Preset Time of this object to be shot, and according to this
Displacement and Preset Time calculate the translational speed obtaining object to be shot.
In step 502, the translational speed of filming apparatus is obtained.
The detailed description of this step sees the associated description of the step 402 in Fig. 3, and here is omitted.
In step 503, according to translational speed and the translational speed of shooting object of filming apparatus, bat is determined
Take the photograph the relative moving speed of device and object to be shot.
The detailed description of this step sees the associated description of the step 403 in Fig. 3, and here is omitted.
In sum, the shutter speed acquisition methods that the present embodiment provides, fixed by global position system GPS
Position technology, the translational speed of acquisition object to be shot, and obtain the translational speed of filming apparatus, according to shooting
The translational speed of device and the translational speed of shooting object, determine that filming apparatus is relative with object to be shot and move
Dynamic speed, so, improves the acquisition efficiency of filming apparatus and the relative moving speed of object to be shot.
Following for disclosure device embodiment, may be used for performing method of disclosure embodiment.For the disclosure
The details not disclosed in device embodiment, refer to method of disclosure embodiment.
Fig. 5 is the block diagram according to a kind of shutter speed acquisition device shown in an exemplary embodiment, this shutter
Speed acquisition device can pass through software, hardware or both be implemented in combination with become the part of filming apparatus or
Person is whole.As it is shown in figure 5, this shutter speed acquisition device may include that relative moving speed acquisition module
10, photosensitive coefficient acquisition module 11, initial shutter speed acquisition module 12 and target shutter speed acquisition module
13。
Relative moving speed acquisition module 10, is configured to obtain filming apparatus shifting relative with object to be shot
Dynamic speed.
Photosensitive coefficient acquisition module 11, is configured to determine the photosensitive coefficient of filming apparatus according to ambient brightness.
Initial shutter speed acquisition module 12, is configured to, according to photosensitive coefficient and default image quality, obtain
Initial shutter speed.
Target shutter speed acquisition module 13, is configured to according to relative moving speed, to initial shutter speed
It is adjusted, it is thus achieved that target shutter speed.
In sum, the shutter speed acquisition device that the present embodiment provides, by obtaining filming apparatus and waiting to clap
Take the photograph the relative moving speed of object, and determine the photosensitive coefficient of filming apparatus according to ambient brightness, according to photosensitive
Coefficient and default image quality, obtain initial shutter speed, then, according to relative moving speed, to initially
Shutter speed is adjusted, it is thus achieved that target shutter speed, thus improves the precision of shutter speed, i.e. uses
This target shutter speed can improve the quality of the image of shooting, it is to avoid the image virtualization shot.
Fig. 6 is the block diagram according to a kind of shutter speed acquisition device shown in another exemplary embodiment, and this is fast
Door speed acquisition device can pass through software, hardware or both be implemented in combination with becoming the part of filming apparatus
Or all.As shown in Figure 6, on the basis of embodiment illustrated in fig. 5, this target shutter speed obtains mould
Block 13 may include that and determines that submodule 130, first obtains submodule 131 and sets up submodule 132.
Determine submodule 130, be configured to the corresponding relation according to relative moving speed and adjusted value, determine tune
Whole value.
First obtains submodule 131, is configured to according to adjusted value, adjusts initial shutter speed, it is thus achieved that target
Shutter speed.
Set up submodule 132, be configured to according to historical experience value, set up relative moving speed and adjusted value
Corresponding relation.
In sum, the shutter speed acquisition device that the present embodiment provides, by according to relative moving speed and
The corresponding relation of adjusted value, determines adjusted value, and according to adjusted value, adjusts initial shutter speed, it is thus achieved that mesh
Mark shutter speed, which enhances the acquisition efficiency of target shutter speed.
Fig. 7 is the block diagram according to a kind of shutter speed acquisition device shown in another exemplary embodiment, and this is fast
Door speed acquisition device can pass through software, hardware or both be implemented in combination with becoming the part of filming apparatus
Or all.As it is shown in fig. 7, on the basis of embodiment illustrated in fig. 5, in this shutter speed acquisition device
Relative moving speed acquisition module 10 may include that reception submodule 101, second obtains submodule 102
Submodule 103 is determined with first.
Receive submodule 101, be configured to receive the translational speed message that object to be shot sends.
Second obtains submodule 102, is configured to obtain the translational speed of filming apparatus.
In a kind of possible implementation, second obtains submodule 102, including: translational speed acquiring unit
1020。
Translational speed acquiring unit 1020, is configured to gyroscope or the acceleration sensing of filming apparatus
Device, obtains the translational speed of filming apparatus.
First determines submodule 103, is configured to the translational speed according to filming apparatus and the movement of shooting object
Speed messages, determines the relative moving speed of filming apparatus and object to be shot.
In sum, the shutter speed acquisition device that the present embodiment provides, send by receiving object to be shot
Translational speed message, obtain the translational speed of filming apparatus, and according to the translational speed of filming apparatus and bat
Take the photograph the translational speed message of object, determine the relative moving speed of filming apparatus and object to be shot, so,
Improve the acquisition efficiency of filming apparatus and the relative moving speed of object to be shot.
Fig. 8 is the block diagram according to a kind of shutter speed acquisition device shown in further example embodiment, and this is fast
Door speed acquisition device can pass through software, hardware or both be implemented in combination with becoming the part of filming apparatus
Or all.As shown in Figure 8, on the basis of embodiment illustrated in fig. 5, in this shutter speed acquisition device
Relative moving speed acquisition module 10 may include that First Speed obtains submodule 104, second speed and obtains
Take submodule 105 and second and determine submodule 106.
First Speed obtains submodule 104, is configured to global position system GPS location technology, obtains
Take the translational speed of object to be shot.
Second speed obtains submodule 105, is configured to obtain the translational speed of filming apparatus.
Second determines submodule 106, is configured to the translational speed according to filming apparatus and the movement of shooting object
Speed, determines the relative moving speed of filming apparatus and object to be shot.
In sum, the shutter speed acquisition device that the present embodiment provides, fixed by global position system GPS
Position technology, the translational speed of acquisition object to be shot, and obtain the translational speed of filming apparatus, according to shooting
The translational speed of device and the translational speed of shooting object, determine that filming apparatus is relative with object to be shot and move
Dynamic speed, so, improves the acquisition efficiency of filming apparatus and the relative moving speed of object to be shot.
Fig. 9 is the block diagram according to a kind of shutter speed acquisition device shown in further example embodiment, and this is fast
Door speed acquisition device can pass through software, hardware or both be implemented in combination with becoming the part of filming apparatus
Or all.As it is shown in figure 9, on the basis of embodiment illustrated in fig. 5, in this shutter speed acquisition device
Relative moving speed acquisition module 10 may include that relative moving speed obtain submodule 107.
Relative moving speed obtains submodule 107, is configured to radar velocity measurement mode, obtains filming apparatus
Relative moving speed with object to be shot.
In sum, the shutter speed acquisition device that the present embodiment provides, by radar velocity measurement mode, obtain
Filming apparatus and the relative moving speed of object to be shot, so, improve filming apparatus and object to be shot
The acquisition efficiency of relative moving speed.
The foregoing describing inner function module and the structural representation of shutter speed acquisition device, Figure 10 is according to again
The block diagram of a kind of shutter speed acquisition device shown in one exemplary embodiment, as shown in Figure 10, this shutter speed
Degree acquisition device, including: memorizer 20 and processor 21.
Processor 21；
For storing the memorizer 20 of the executable instruction of processor 21；
Wherein, processor 21 is configured to:
Obtain the relative moving speed of filming apparatus and object to be shot；
The photosensitive coefficient of described filming apparatus is determined according to ambient brightness；
According to described photosensitive coefficient and default image quality, obtain initial shutter speed；
According to described relative moving speed, described initial shutter speed is adjusted, it is thus achieved that target shutter speed
Degree.
In the embodiment of above-mentioned shutter speed acquisition device, it should be appreciated that this processor can be that central authorities process
Unit (English: Central Processing Unit, be called for short: CPU), it is also possible to be other general processors,
Digital signal processor (English: Digital Signal Processor, DSP), special IC it is called for short:
(English: Application Specific Integrated Circuit, it is called for short: ASIC) etc..General processor can
To be microprocessor or this processor can also be the processor etc. of any routine, and aforesaid memorizer can
Be read only memory (English: read-only memory, ROM), random access memory (English abbreviation:
RAM), flash memory, hard disk or solid state hard disc literary composition: random access memory, is called for short:.
Hardware processor can be embodied directly in conjunction with the step of the method disclosed in disclosure embodiment to have performed,
Or combine execution by the hardware in processor and software module to complete.
In sum, the shutter speed acquisition device that the present embodiment provides, by obtaining filming apparatus and waiting to clap
Take the photograph the relative moving speed of object, and determine the photosensitive coefficient of filming apparatus according to ambient brightness, according to photosensitive
Coefficient and default image quality, obtain initial shutter speed, then, according to relative moving speed, to initially
Shutter speed is adjusted, it is thus achieved that target shutter speed, thus improves the precision of shutter speed, i.e. uses
This target shutter speed can improve the quality of the image of shooting, it is to avoid the image virtualization shot.
About the device in above-described embodiment, wherein modules performs the concrete mode of operation relevant
The embodiment of the method is described in detail, explanation will be not set forth in detail herein.
Figure 11 is the block diagram according to a kind of shutter speed acquisition device shown in further example embodiment.Such as,
This device 1300 can be mobile phone, computer, digital broadcast terminal, messaging devices, game control
Platform processed, tablet device, armarium, body-building equipment, personal digital assistant etc..
With reference to Figure 11, device 1300 can include following one or more assembly: processes assembly 1302, deposits
Reservoir 1304, power supply module 1306, multimedia groupware 1308, audio-frequency assembly 1310, input/output (I/O)
Interface 1312, sensor cluster 1314, and communications component 1316.
Process assembly 1302 and generally control the integrated operation of device 1300, such as with display, call,
The operation that data communication, camera operation and record operation are associated.Process assembly 1302 can include one or
Multiple processors 1320 perform instruction, to complete all or part of step of above-mentioned method.Additionally, place
Reason assembly 1302 can include one or more module, it is simple to processes between assembly 1302 and other assemblies
Alternately.Such as, process assembly 1302 and can include multi-media module, to facilitate multimedia groupware 1308 He
Process between assembly 1302 is mutual.
Memorizer 1304 is configured to store various types of data to support the operation at device 1300.This
The example of a little data includes any application program for operation on device 1300 or the instruction of method, contact
Personal data, telephone book data, message, picture, video etc..Memorizer 1304 can by any kind of easily
The property lost or non-volatile memory device or combinations thereof realize, such as static RAM
(SRAM), Electrically Erasable Read Only Memory (EEPROM), Erasable Programmable Read Only Memory EPROM
(EPROM), programmable read only memory (PROM), read only memory (ROM), magnetic memory,
Flash memory, disk or CD.
The various assemblies that power supply module 1306 is device 1300 provide electric power.Power supply module 1306 can include
Power-supply management system, one or more power supplys, and other with generate for device 1300, manage and distribute electric power
The assembly being associated.
The touch-control of one output interface of offer that multimedia groupware 1308 is included between device 1300 and user
Display screen.In certain embodiments, touching display screen can include liquid crystal display (LCD) and touch surface
Plate (TP).Touch panel includes that one or more touch sensor touches with sensing, slides and on touch panel
Gesture.Touch sensor can not only sense touch or the border of sliding action, but also detect and touch
Or slide relevant persistent period and pressure.In certain embodiments, multimedia groupware 1308 includes one
Individual front-facing camera and/or post-positioned pick-up head.When device 1300 is in operator scheme, such as screening-mode or video
During pattern, front-facing camera and/or post-positioned pick-up head can receive the multi-medium data of outside.Each preposition take the photograph
As head and post-positioned pick-up head can be fixing optical lens systems or have focal length and optical zoom energy
Power.
Audio-frequency assembly 1310 is configured to output and/or input audio signal.Such as, audio-frequency assembly 1310 wraps
Include a mike (MIC), when device 1300 is in operator scheme, such as call model, logging mode and language
During sound recognition mode, mike is configured to receive external audio signal.The audio signal received can be by
It is further stored in memorizer 1304 or sends via communications component 1316.In certain embodiments, audio frequency
Assembly 1310 also includes a speaker, is used for exporting audio signal.
I/O interface 1312 provides interface for processing between assembly 1302 and peripheral interface module, above-mentioned periphery connects
Mouth die block can be keyboard, puts striking wheel, button etc..These buttons may include but be not limited to: home button,
Volume button, start button and locking press button.
Sensor cluster 1314 includes one or more sensor, for providing various aspects for device 1300
State estimation.Such as, what sensor cluster 1314 can detect device 1300 opens/closed mode,
The relative localization of assembly, such as assembly are display and the keypad of device 1300, sensor cluster 1314
Can also detect device 1300 or the position change of 1,300 1 assemblies of device, user contacts with device 1300
Presence or absence, device 1300 orientation or acceleration/deceleration and the variations in temperature of device 1300.Sensor
Assembly 1314 can include proximity transducer, is configured to when not having any physical contact near detection
The existence of object.Sensor cluster 1314 can also include optical sensor, as CMOS or ccd image pass
Sensor, for using in imaging applications.In certain embodiments, this sensor cluster 1314 can also wrap
Include acceleration transducer, gyro sensor, Magnetic Sensor, pressure transducer or temperature sensor.
Communications component 1316 is configured to facilitate wired or wireless mode between device 1300 and other equipment
Communication.Device 1300 can access wireless network based on communication standard, such as WiFi, 2G or 3G, or it
Combination.In one exemplary embodiment, communications component 1316 receives from outside via broadcast channel
The broadcast singal of broadcasting management systems or broadcast related news.In one exemplary embodiment, communications component
1316 also include near-field communication (NFC) module, to promote junction service.Such as, can base in NFC module
In RF identification (RFID) technology, Infrared Data Association (IrDA) technology, ultra broadband (UWB) technology,
Bluetooth (BT) technology and other technologies realize.
In the exemplary embodiment, device 1300 can be by one or more application specific integrated circuits
(ASIC), digital signal processor (DSP), digital signal processing appts (DSPD), FPGA
Device (PLD), field programmable gate array (FPGA), controller, microcontroller, microprocessor or its
He realizes by electronic component, is used for performing above-mentioned document display method.
In the exemplary embodiment, a kind of non-transitory computer-readable storage medium including instruction is additionally provided
Matter, such as, include the memorizer 1304 of instruction, and above-mentioned instruction can be performed by the processor 1320 of device 1300
To complete said method.Such as, non-transitory computer-readable recording medium can be ROM, random access memory
Memorizer (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 storage medium is by device 1300
When reason device performs so that device 1300 is able to carry out a kind of shutter speed acquisition methods, and the method includes:
Obtain the relative moving speed of filming apparatus and object to be shot；
The photosensitive coefficient of described filming apparatus is determined according to ambient brightness；
According to described photosensitive coefficient and default image quality, obtain initial shutter speed；
According to described relative moving speed, described initial shutter speed is adjusted, it is thus achieved that target shutter speed
Degree.
Wherein, described according to described relative moving speed, described initial shutter speed is adjusted, it is thus achieved that
Described target shutter speed, including:
According to described relative moving speed and the corresponding relation of adjusted value, determine adjusted value；
According to described adjusted value, adjust described initial shutter speed, it is thus achieved that described target shutter speed.
Wherein, described according to described relative moving speed with the corresponding relation of adjusted value, before determining adjusted value,
Also include:
According to historical experience value, set up the corresponding relation of described relative moving speed and adjusted value.
Wherein, described acquisition filming apparatus and the relative moving speed of object to be shot, including:
Receive the translational speed message that described object to be shot sends；
Obtain the translational speed of described filming apparatus；
Translational speed according to described filming apparatus and the translational speed message of described shooting object, determine described
Filming apparatus and the relative moving speed of described object to be shot.
Wherein, the translational speed of the described filming apparatus of described acquisition, including:
By gyroscope or the acceleration transducer of described filming apparatus, obtain the movement of described filming apparatus
Speed.
Wherein, described acquisition filming apparatus and the relative moving speed of object to be shot, including:
By global position system GPS location technology, obtain the translational speed of described object to be shot；
Obtain the translational speed of described filming apparatus；
Translational speed according to described filming apparatus and the translational speed of described shooting object, determine described shooting
Device and the relative moving speed of described object to be shot.
Wherein, described acquisition filming apparatus and the relative moving speed of object to be shot, including:
By radar velocity measurement mode, obtain the relative moving speed of described filming apparatus and described object to be shot.
Those skilled in the art, after considering description and putting into practice invention disclosed herein, will readily occur to these public affairs
Other embodiment opened.The application is intended to any modification, purposes or the adaptations of the disclosure,
These modification, purposes or adaptations are followed the general principle of the disclosure and include that the disclosure is not disclosed
Common knowledge in the art or conventional techniques means.Description and embodiments is considered only as exemplary
, the true scope of the disclosure and spirit are pointed out by claim below.
It should be appreciated that the disclosure is not limited to accurate knot described above and illustrated in the accompanying drawings
Structure, and various modifications and changes can carried out without departing from the scope.The scope of the present disclosure is only by appended
Claim limits.
Claims (15)
1. a shutter speed acquisition methods, it is characterised in that including:
Obtain the relative moving speed of filming apparatus and object to be shot；
The photosensitive coefficient of described filming apparatus is determined according to ambient brightness；
According to described photosensitive coefficient and default image quality, obtain initial shutter speed；
According to described relative moving speed, described initial shutter speed is adjusted, it is thus achieved that target shutter speed
Degree.
Method the most according to claim 1, it is characterised in that described according to described relative moving speed,
Described initial shutter speed is adjusted, it is thus achieved that target shutter speed, including:
According to described relative moving speed and the corresponding relation of adjusted value, determine adjusted value；
According to described adjusted value, adjust described initial shutter speed, it is thus achieved that described target shutter speed.
Method the most according to claim 2, it is characterised in that described according to described relative moving speed
With the corresponding relation of adjusted value, before determining adjusted value, also include:
According to historical experience value, set up the corresponding relation of described relative moving speed and adjusted value.
Method the most according to claim 1, it is characterised in that described acquisition filming apparatus is with to be captured
The relative moving speed of object, including:
Receive the translational speed message that described object to be shot sends；
Obtain the translational speed of described filming apparatus；
Translational speed according to described filming apparatus and the translational speed message of described shooting object, determine described
Filming apparatus and the relative moving speed of described object to be shot.
Method the most according to claim 4, it is characterised in that the shifting of the described filming apparatus of described acquisition
Dynamic speed, including:
By gyroscope or the acceleration transducer of described filming apparatus, obtain the movement of described filming apparatus
Speed.
Method the most according to claim 1, it is characterised in that described acquisition filming apparatus is with to be captured
The relative moving speed of object, including:
By global position system GPS location technology, obtain the translational speed of described object to be shot；
Obtain the translational speed of described filming apparatus；
Translational speed according to described filming apparatus and the translational speed of described shooting object, determine described shooting
Device and the relative moving speed of described object to be shot.
Method the most according to claim 1, it is characterised in that described acquisition filming apparatus is with to be captured
The relative moving speed of object, including:
By radar velocity measurement mode, obtain the relative moving speed of described filming apparatus and described object to be shot.
8. a shutter speed acquisition device, it is characterised in that including:
Relative moving speed acquisition module, is configured to the relative movement obtaining filming apparatus with object to be shot
Speed；
Photosensitive coefficient acquisition module, is configured to determine the photosensitive coefficient of described filming apparatus according to ambient brightness；
Initial shutter speed acquisition module, is configured to, according to described photosensitive coefficient and default image quality, obtain
Take initial shutter speed；
Target shutter speed acquisition module, is configured to according to described relative moving speed, to described initial fast
Door speed is adjusted, it is thus achieved that target shutter speed.
Device the most according to claim 8, it is characterised in that described target shutter speed acquisition module,
Including:
Determine submodule, be configured to the corresponding relation according to described relative moving speed and adjusted value, determine
Adjusted value；
First obtains submodule, is configured to according to described adjusted value, adjusts described initial shutter speed, obtain
Obtain described target shutter speed.
Device the most according to claim 9, it is characterised in that described target shutter speed acquisition module,
Also include:
Set up submodule, be configured to, according to historical experience value, set up described relative moving speed and adjusted value
Corresponding relation.
11. devices according to claim 8, it is characterised in that described relative moving speed acquisition module,
Including:
Receive submodule, be configured to receive the translational speed message that described object to be shot sends；
Second obtains submodule, is configured to obtain the translational speed of described filming apparatus；
First determines submodule, is configured to the translational speed according to described filming apparatus and described shooting object
Translational speed message, determine the relative moving speed of described filming apparatus and described object to be shot.
12. devices according to claim 11, it is characterised in that second obtains submodule, including:
Translational speed acquiring unit, is configured to gyroscope or the acceleration sensing of described filming apparatus
Device, obtains the translational speed of described filming apparatus.
13. devices according to claim 8, it is characterised in that described relative moving speed acquisition module,
Including:
First Speed obtains submodule, is configured to global position system GPS location technology, obtains institute
State the translational speed of object to be shot；
Second speed obtains submodule, is configured to obtain the translational speed of described filming apparatus；
Second determines submodule, is configured to the translational speed according to described filming apparatus and described shooting object
Translational speed, determine the relative moving speed of described filming apparatus and described object to be shot.
14. devices according to claim 8, it is characterised in that described relative moving speed acquisition module,
Including:
Relative moving speed obtains submodule, is configured to radar velocity measurement mode, obtains described shooting dress
Put and the relative moving speed of described object to be shot.
15. 1 kinds of shutter speed acquisition device, it is characterised in that including:
Processor；
For storing the memorizer of the executable instruction of described processor；
Wherein, described processor is configured to:
Obtain the relative moving speed of filming apparatus and object to be shot；
The photosensitive coefficient of described filming apparatus is determined according to ambient brightness；
According to described photosensitive coefficient and default image quality, obtain initial shutter speed；
According to described relative moving speed, described initial shutter speed is adjusted, it is thus achieved that target shutter speed
Degree.
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| CN105959587B (en) | 2019-02-12 |
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