CN105657251B - Camera control method, photographing control device and camera system - Google Patents
Camera control method, photographing control device and camera system Download PDFInfo
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- CN105657251B CN105657251B CN201510999696.8A CN201510999696A CN105657251B CN 105657251 B CN105657251 B CN 105657251B CN 201510999696 A CN201510999696 A CN 201510999696A CN 105657251 B CN105657251 B CN 105657251B
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- self
- shooting bar
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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
- H04N23/60—Control of cameras or camera modules
- H04N23/66—Remote control of cameras or camera parts, e.g. by remote control devices
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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
- H04N23/60—Control of cameras or camera modules
- H04N23/67—Focus control based on electronic image sensor signals
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Studio Devices (AREA)
Abstract
The invention discloses a kind of camera control methods, for camera system to be controlled to focus, camera system includes electronic device and self-shooting bar, and electronic device is taken pictures for being arranged on self-shooting bar, for flexible to change the distance of taking pictures of electronic device, camera control method includes self-shooting bar：Obtain the length of self-shooting bar；Object distance is estimated according to length；And electronic device focusing is controlled according to object distance.The camera control method of embodiment of the present invention by the object distance of self-shooting bar extended length estimation imaging, with auxiliary electronic device rapid focus, enhances the functionality of self-shooting bar, user-friendly.The invention also discloses a kind of photographing control device and camera systems.
Description
Technical field
The present invention relates to self-shooting bar, more particularly to a kind of camera control method, photographing control device and camera system.
Background technology
At present, self-shooting bar is widely used, therefore, how to optimize self-shooting bar function have become it is urgently to be resolved hurrily
Problem.
Invention content
The present invention is directed at least solve one of technical problem in the prior art.For this purpose, the present invention needs offer one
Kind camera control method, a kind of photographing control device and a kind of camera system.
The embodiment of first aspect present invention provides a kind of camera control method, for camera system to be controlled to focus,
The camera system includes electronic device and self-shooting bar, and the electronic device is taken pictures for being arranged on the self-shooting bar, described
For flexible to change the distance of taking pictures of the electronic device, the camera control method includes self-shooting bar：
Obtain the length of the self-shooting bar；
Object distance is estimated according to the length；And
The electronic device focusing is controlled according to the object distance.
The camera control method of embodiment of the present invention, by the object distance of self-shooting bar extended length estimation imaging, with auxiliary
Electronic device rapid focus enhances the functionality of self-shooting bar, user-friendly.
The embodiment of second aspect of the present invention provides a kind of photographing control device, for camera system to be controlled to focus,
The camera system includes electronic device and self-shooting bar, and the electronic device is taken pictures for being arranged on the self-shooting bar, described
For flexible to change the distance of taking pictures of the electronic device, the photographing control device includes self-shooting bar：
Processing module, the processing module obtain the length of the self-shooting bar and estimate object distance according to the length；And
The control module being connect with the processing module, the control module are used to control the electronics according to the object distance
Device is focused.
The photographing control device of embodiment of the present invention, by the object distance of self-shooting bar extended length estimation imaging, with auxiliary
Electronic device rapid focus enhances the functionality of self-shooting bar, user-friendly.
The embodiment of third aspect present invention provides a kind of camera system, including electronic device, self-shooting bar and above-mentioned
Photographing control device.
The camera system of embodiment of the present invention, by the object distance of self-shooting bar extended length estimation imaging, with auxiliary electron
Device rapid focus enhances the functionality of self-shooting bar, user-friendly.
The advantages of additional aspect of the present invention, will be set forth in part in the description, and will partly become from the following description
It obtains significantly or is recognized by the practice of the present invention.
Description of the drawings
The above-mentioned and/or additional aspect and advantage of the present invention is from combining in description of the accompanying drawings below to embodiment by change
It obtains significantly and is readily appreciated that, wherein：
Fig. 1 is the flow diagram of camera control method according to one embodiment of the present invention.
Fig. 2 is the flow diagram according to the camera control method of another embodiment of the present invention.
Fig. 3 is the flow diagram according to the camera control method of another embodiment of the present invention.
Fig. 4 is the flow diagram according to the camera control method of another embodiment of the present invention.
Fig. 5 is the high-level schematic functional block diagram of photographing control device according to one embodiment of the present invention.
Fig. 6 is the status diagram of camera system according to one embodiment of the present invention.
Fig. 7 is the high-level schematic functional block diagram of camera system according to one embodiment of the present invention.
Specific embodiment
The embodiment of embodiments of the present invention is described below in detail, the example of the embodiment is shown in the accompanying drawings
Go out, wherein same or similar label represents same or similar element or the member with same or like function from beginning to end
Part.It is exemplary below with reference to the embodiment of attached drawing description, is only used for explaining embodiments of the present invention, and cannot
It is interpreted as the limitation to embodiments of the present invention.
Referring to Fig. 1, the camera control method of embodiment of the present invention, for camera system to be controlled to focus, camera system
Including electronic device and self-shooting bar, electronic device is set on self-shooting bar to take pictures, and self-shooting bar is scalable to be filled with changing electronics
The distance of taking pictures put.
Camera control method includes：
Step S1 obtains the length of self-shooting bar.
Self-shooting bar greatly facilitates the shooting of user so that need not when user finds a view as a kind of auxiliary tool of shooting
It is limited to the length range that arm can be held.So as to widen usage scenario of the electronic device such as mobile phone in shooting.It is special
Not in self-timer scene, self-shooting bar can be effectively increased the visual range of shooting by extending or rotating, therefore be widely used.
Self-shooting bar has generally included the components such as the body of rod, motor, fixed frame, connecting element and key system.
Self-shooting bar has scalability, and the body of rod can drive to extend and shorten in a certain range by motor.
Fixed frame is generally arranged at hand grip portion distal end, and electronic device can follow in a certain range after being fixed on fixed frame
Self-shooting bar stretches to increase viewfinder range.
After electronic device is fixed, it is connect by connecting element with self-shooting bar, in this way, passing through the key system pair on self-shooting bar
Electronic device carries out control of taking pictures, and key system may include for the shutter during taking pictures.In addition, key system further includes
Direction key, for control motor with drive self-shooting bar extend and shorten.
During taking pictures, self-shooting bar by button is extended to a certain position and prepares to take pictures by user, before focusing, from
Dabber obtains the length of its elongation, and acquired length is sent to electronic device.
Step S2 estimates object distance according to length.
According to imaging formula:
1/u+1/v=1/f；
Wherein, u is object distance, and v is image distance, and f is focal length.
In focus process, focal length f is certain, and object distance u is also determined therewith after object determines, therefore adjusts image distance v
So that it meets imaging formula, you can must complete focusing and obtain clearly image.
Electronic device is usually fixed at self-shooting bar front end, and therefore, in focus process, object distance can be approximately self-shooting bar
Extended length and user's arm extended length and.
It should be noted that since the length of user's arm differs, it, can be unified by arm length for convenience of object distance is estimated
It is approximately a definite value, when the later stage is finely adjusted again in focusing.
Step S3 controls the electronic device to focus according to object distance.
According to the object distance estimated in step S2, control device electronic device completes focusing.
In conclusion the camera control method of embodiment of the present invention, passes through the object of self-shooting bar extended length estimation imaging
Away from, with auxiliary electronic device rapid focus, the functionality of self-shooting bar is enhanced, it is user-friendly.
Referring to Fig. 2, in some embodiments, self-shooting bar includes motor, motor is used to that self-shooting bar to be driven to stretch.
The camera control method of present embodiment and the above embodiment are essentially identical, the difference is that, step S1
Including：
Step S11, control motor driving self-shooting bar stretch from default-length.
In some embodiments, default-length be self-shooting bar shortest length, at this point, control motor drive self-shooting bar from
Shortest length extends.In other embodiments, default-length is the extreme length of self-shooting bar, at this point, control motor driving
Self-shooting bar shortens from extreme length.
In this way, user can control self-shooting bar to elongate or shorten so that self-shooting bar reaches when self-shooting bar is in different length
Scheduled camera site.
Step S12 calculates the step number of motor to obtain the extended length of self-shooting bar.
Stepper motor can be used in self-shooting bar, and the step number of motor forward or backward is accurately controlled using stepper motor, therefore,
What the extended length of self-shooting bar was also to determine.
In this way, by checking that the step number of motor would know that the extended length of self-shooting bar, and object distance and then auxiliary are estimated with this
Electronic device is focused.
Specifically, referring to Fig. 3, step S12 is further included：
Step S121 establishes the relationship between the step number of motor and corresponding self-timer pole length；And
Step S122 converts to obtain stretching for self-shooting bar according to the relationship between the step number of motor and corresponding self-timer pole length
Length.
During concrete operations, self-shooting bar is driven by stepper motor to extend to a certain position, is corresponded to by the step number of motor
Self-shooting bar length can approximate estimation be imaging object distance.In order to obtain clearly as needing to drive the focusing motor of camera lens
Camera lens is pushed to adjust suitable image distance.Focusing motor can be stepper motor, accurately to push camera lens.By the corresponding image distance of object distance
The stepping step number of focusing motor is converted into, then camera lens is pushed to complete to focus to precalculated position according to the stepping step number of focusing motor
And it is taken pictures by electronic device completion.
The step number of self-shooting bar motor and the relationship of self-timer pole length and the correspondence of image distance and the focusing motor of camera lens
And can be stored in the memory of electronic device before manufacture by measuring, when being focused by electronic device according to
Relation above directly invokes corresponding step number control focusing motor and camera lens is pushed to complete to focus.
In some embodiments, camera control method further includes：
User's input is received to determine the step pitch of motor.
In concrete operations, user can input according to the telescopic extensions of self-shooting bar.
In some embodiments, estimate that object distance includes in step S2：The length of self-shooting bar elongation is added to the length of arm
Degree is used as the object distance.
In operation, user usually stretches arm and holds self-shooting bar, and electronic device is fixed on the distal end of self-shooting bar, therefore object
Away from should be self-shooting bar elongation length and arm length and, since the arm length of different user is generally different, for convenience
Arm length, can be set as certain certain value, for example, can be set as arm length according to the general arm length of adult by estimation
40 centimetres.
Although in this way, when can cause focusing, there are certain errors, can determine the substantially position of the focusing motor of camera lens
It puts, so as to improve focusing speed.
Referring to Fig. 4, in some embodiments, camera control method further includes after step S3：
Step S4 controls the focusing motor of electronic device to carry out focusing fine tuning within a predetermined range.
As noted previously, as when estimating object distance since arm length is preset value, different user can exist certain
Error.Therefore there may be the focusing motor determined according to the object distance of estimation stepping step number there is also error cause still without
Method is clearly imaged.
Therefore, it is necessary to continue to be finely adjusted before and after precalculated position after camera lens is pushed to precalculated position by focusing motor
Focusing with obtain clearly as.
Referring to Fig. 5, the photographing control device 10 of embodiment of the present invention, for camera system to be controlled to focus.
Camera system includes electronic device 20 and self-shooting bar 30, and electronic device 20 is taken pictures for being arranged on self-shooting bar 30,
Self-shooting bar 30 is used to stretch to change the distance of taking pictures of electronic device 20.
Photographing control device 10 includes processing module 100 and control module 200
Processing module 100 is used to obtain the length of self-shooting bar 30 and estimates object distance according to the length of self-shooting bar 30.
Control module 200 is connect with processing module 100, for electronic device 20 being controlled to focus according to object distance.
The photographing control device 10 of embodiment of the present invention, the object distance being imaged by the estimation of 30 extended length of self-shooting bar, with
20 rapid focus of auxiliary electronic device enhances the functionality of self-shooting bar 30, user-friendly.
It should be noted that the explanation of the embodiment of above-mentioned camera control method is also applied for embodiment party of the present invention
The photographing control device 10 of formula, details are not described herein again.
In some embodiments, self-shooting bar 30 includes motor (not shown), and motor is used to drive self-shooting bar 30 flexible.
Processing module 100 is used to that motor driving self-shooting bar 30 to be controlled to stretch from default-length and calculate the step number of motor to obtain
Extended length derived from dabber 30.
In this way, by checking that the step number of motor would know that the extended length of self-shooting bar 30, and object distance is estimated with this and then can
Auxiliary electronic device 20 is focused.
In some embodiments, default-length is the shortest length of self-shooting bar 30, at this point, control motor driving self-shooting bar
30 extend from shortest length.In other embodiments, default-length is the extreme length of self-shooting bar 30, at this point, control horse
Shorten up to driving self-shooting bar 30 from extreme length.
In this way, user can control self-shooting bar 30 to elongate or shorten so that self-shooting bar when self-shooting bar 30 is in different length
30 reach scheduled camera site.
In some embodiments, processing module 100 is used to establish the step number of motor and the elongation of corresponding self-shooting bar 30
Relationship between length simultaneously converts to obtain extended length according to the correspondence.
The step number of motor and the relationship of 30 length of self-shooting bar and the correspondence of image distance and the focusing motor of camera lens
It is measured, and is stored in the memory of electronic device 20 with passing through before manufacture, when being focused by 20 basis of electronic device
Relation above directly invokes corresponding step number control focusing motor and camera lens is pushed to complete to focus.
In some embodiments, processing module 100 is used to receive user's input to determine the step pitch of motor.
In concrete operations, user can input according to the telescopic extensions of self-shooting bar.
In some embodiments, processing module 100 is used to make length of the extended length of self-shooting bar 30 plus arm
Object distance during for imaging.
Although in this way, when can cause focusing, there are certain errors, can determine the substantially position of the focusing motor of camera lens
It puts, so as to improve focusing speed.
In some embodiments, control module 200 is additionally operable to the focusing motor of control electronic device 20 in preset range
Inside carry out focusing fine tuning.
Since when estimating object distance, since arm length is preset value, different user can there are certain errors.Cause
This there is also error to cause can not still to obtain clear there may be the stepping step number of the focusing motor determined according to the object distance of estimation
Clear imaging.
Therefore, it is necessary to continue to be finely adjusted before and after precalculated position after camera lens is pushed to precalculated position by focusing motor
Focusing with obtain clearly as.
It should be noted that the explanation of the embodiment of above-mentioned camera control method is also applied for present embodiment
Photographing control device 10, details are not described herein again.
Fig. 6 and Fig. 7 is please referred to, the camera system of embodiment of the present invention including electronic device 20, self-shooting bar 30 and is taken pictures
Control device 10.Photographing control device 10 is integrated on self-shooting bar 30 and/or electronic device 20.Electronic device 20 usually can be
Mobile phone or tablet computer etc. have the electronic device of camera function.
The camera system of embodiment of the present invention, by the object distance of 30 extended length of self-shooting bar estimation imaging, to assist electricity
20 rapid focus of sub-device enhances the functionality of self-shooting bar 30, user-friendly.
In some embodiments, self-shooting bar 30 and 20 wired or wireless connection of electronic device.
Self-shooting bar 30 and the connection of electronic device 20 can be wired connection or wireless connections.Wherein, wired connection can be with
To be connected by the earphone jack or USB interface of electronic device 20, radio connection can be short-range communication NFC connections,
Bluetooth communication connection, wireless communication connection or infrared communication connection etc..Certainly, connection mode includes but not limited to this implementation
The revealed mode of mode.
It should be noted that embodiment of the present invention camera system can by the above embodiment camera control method,
Photographing control device 10 realizes that not deployed part please refers to camera control method in embodiment of above, control dress of taking pictures
10 same or similar parts are put, details are not described herein again.
In the description of embodiments of the present invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length
Degree ", " width ", " thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ",
The orientation or position relationship of the instructions such as " outer ", " clockwise ", " counterclockwise " are based on orientation shown in the drawings or position relationship, only
It is that embodiments of the present invention and the device or element that simplify description rather than instruction or hint meaning are necessary for ease of description
With specific orientation, with specific azimuth configuration and operation, therefore it is not intended that limitation to embodiments of the present invention.
In addition, term " first ", " second " are only used for description purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity for indicating indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more feature.In the description of embodiments of the present invention, " multiple " are meant that two
It is a or more than two, unless otherwise specifically defined.
In the description of embodiments of the present invention, it should be noted that unless otherwise clearly defined and limited, term
" installation ", " connected ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected or one
Connect to body；Can be mechanically connected or be electrically connected or can mutually communicate；It can be directly connected, can also lead to
It crosses intermediary to be indirectly connected, can be the interaction relationship of connection inside two elements or two elements.For ability
For the those of ordinary skill in domain, it can understand that above-mentioned term in embodiments of the present invention specific contains as the case may be
Justice.
In embodiments of the present invention unless specifically defined or limited otherwise, fisrt feature second feature it
" on " or it " under " can be in direct contact including the first and second features, it is not directly to connect that can also include the first and second features
It touches but passes through the other characterisation contact between them.Moreover, fisrt feature second feature " on ", " top " and " on
Face " is including fisrt feature right over second feature and oblique upper or to be merely representative of fisrt feature level height special higher than second
Sign.Fisrt feature second feature " under ", " lower section " and " below " including fisrt feature right over second feature and tiltedly on
Side is merely representative of fisrt feature level height less than second feature.
Above disclosure provides many different embodiments or example is used for realizing embodiments of the present invention not
Same structure.In order to simplify the disclosure of embodiments of the present invention, above the component of specific examples and setting are described.When
So, they are merely examples, and is not intended to limit the present invention.In addition, embodiments of the present invention can be in different examples
Repeat reference numerals and/or reference letter in son, this repetition are for purposes of simplicity and clarity, itself not indicate to be begged for
By the relationship between various embodiments and/or setting.In addition, the various specific techniques that embodiments of the present invention provide
With the example of material, but those of ordinary skill in the art may realize that the application of other techniques and/or making for other materials
With.
In the description of this specification, reference term " embodiment ", " is schematically implemented " some embodiments "
The description of mode ", " example ", " specific example " or " some examples " etc. means the tool with reference to the embodiment or example description
Body characteristics, structure, material or feature are contained at least one embodiment or example of the present invention.In the present specification,
Schematic expression of the above terms are not necessarily referring to identical embodiment or example.Moreover, the specific features of description, knot
Structure, material or feature can in an appropriate manner combine in any one or more embodiments or example.
Any process described otherwise above or method description are construed as in flow chart or herein, represent to include
Module, segment or the portion of the code of the executable instruction of one or more the step of being used to implement specific logical function or process
Point, and the range of the preferred embodiment of the present invention includes other realization, wherein can not press shown or discuss suitable
Sequence, including according to involved function by it is basic simultaneously in the way of or in the opposite order, to perform function, this should be of the invention
Embodiment person of ordinary skill in the field understood.
Expression or logic and/or step described otherwise above herein in flow charts, for example, being considered use
In the order list for the executable instruction for realizing logic function, may be embodied in any computer-readable medium, for
Instruction execution system, device or equipment (such as computer based system, including the system of processing module or other can be from instruction
The system of execution system, device or equipment instruction fetch and execute instruction) use or combine these instruction execution systems, device or
Equipment and use.For the purpose of this specification, " computer-readable medium " can be it is any can include, store, communicating, propagating or
Transmission program uses for instruction execution system, device or equipment or with reference to these instruction execution systems, device or equipment
Device.The more specific example (non-exhaustive list) of computer-readable medium is including following：With one or more wiring
Electrical connection section (electronic device), portable computer diskette box (magnetic device), random access memory (RAM), read-only memory
(ROM), erasable edit read-only storage (EPROM or flash memory), fiber device and portable optic disk is read-only deposits
Reservoir (CDROM).In addition, computer-readable medium can even is that the paper that can print described program on it or other are suitable
Medium, because can be for example by carrying out optical scanner to paper or other media, then into edlin, interpretation or when necessary with it
His suitable method is handled electronically to obtain described program, is then stored in computer storage.
It should be appreciated that each section of embodiments of the present invention can be with hardware, software, firmware or combination thereof come real
It is existing.In the above-described embodiment, multiple steps or method can use storage in memory and by suitable instruction execution system
The software or firmware of execution is realized.If for example, being realized with hardware in another embodiment, ability can be used
Any one of following technology well known to domain or their combination are realized：With for data-signal realization logic function
The discrete logic of logic gates has the application-specific integrated circuit of suitable combinational logic gate circuit, programmable gate array
(PGA), field programmable gate array (FPGA) etc..
Those skilled in the art are appreciated that realize all or part of step that above-described embodiment method carries
Suddenly it is that relevant hardware can be instructed to complete by program, the program can be stored in a kind of computer-readable storage medium
In matter, the program when being executed, one or a combination set of the step of including embodiment of the method.
In addition, each functional unit in various embodiments of the present invention can be integrated in a processing module, also may be used
To be that each unit is individually physically present, can also two or more units be integrated in a module.It is above-mentioned integrated
The form that hardware had both may be used in module is realized, can also be realized in the form of software function module.The integrated module
If it is realized in the form of software function module and is independent product sale or in use, a calculating can also be stored in
In machine read/write memory medium.
Storage medium mentioned above can be read-only memory, disk or CD etc..
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is impossible to limitation of the present invention is interpreted as, those of ordinary skill in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, changes, replacing and modification.
Claims (16)
1. a kind of camera control method, for camera system to be controlled to focus, the camera system includes electronic device and self-shooting bar,
The electronic device is taken pictures for being arranged on the self-shooting bar, and the self-shooting bar is used to stretch to change the electronic device
It takes pictures distance, which is characterized in that the self-shooting bar includes the motor for the self-shooting bar to be driven to stretch, and the electronic device is pre-
It is equipped with the step number of the motor of the self-shooting bar and the length of the self-shooting bar and image distance and the focusing motor of the electronic device
The correspondence of the position of camera lens is driven, the camera control method includes：
The length of the self-shooting bar is obtained according to the correspondence of the step number of the motor of the self-shooting bar and the length of the self-shooting bar
Degree；
According to the length and arm length estimation object distance, the arm length is set as definite value；
Corresponding image distance is determined according to the object distance；
According to correspondence of the image distance with the position of the focusing motor driving camera lens of the electronic device and the corresponding image distance
Determine the stepping step number of the focusing motor；
The electronic device focusing is controlled according to the stepping step number.
2. camera control method as described in claim 1, which is characterized in that the step number of the motor according to the self-shooting bar
The step of obtaining the length of the self-shooting bar with the correspondence of the length of the self-shooting bar includes：
Control the motor that the self-shooting bar is driven to stretch from default-length；And
The step number of the motor is calculated with the length of the self-shooting bar after being stretched.
3. camera control method as claimed in claim 2, which is characterized in that the default-length be shortest length, the horse
It is extended up to the self-shooting bar is driven from the shortest length；Or
The default-length is extreme length, and the motor drives the self-shooting bar to shorten from the extreme length.
4. camera control method as claimed in claim 2, which is characterized in that the step number for calculating the motor is to be stretched
The step of length of the self-shooting bar after contracting, includes：
Establish the relationship between the step number of the motor and the length of the self-shooting bar after corresponding stretch；And
The length of the self-shooting bar to be converted according to the relationship after being stretched.
5. camera control method as claimed in claim 2, which is characterized in that the control method includes：
User's input is received to determine the step pitch of the motor.
6. camera control method as described in claim 1, which is characterized in that the control method is described according to the object distance
Include after the step of electronic device is controlled to focus：
The focusing motor of the electronic device is controlled to carry out focusing fine tuning within a predetermined range.
7. a kind of photographing control device, for camera system to be controlled to focus, the camera system includes electronic device and self-shooting bar,
The electronic device is taken pictures for being arranged on the self-shooting bar, and the self-shooting bar is used to stretch to change the electronic device
It takes pictures distance, which is characterized in that the self-shooting bar includes the motor for the self-shooting bar to be driven to stretch, and the electronic device is pre-
It is equipped with the step number of the motor of the self-shooting bar and the length of the self-shooting bar and image distance and the focusing motor of the electronic device
The correspondence of position, the photographing control device include：
Processing module, the processing module are used for：
The length of the self-shooting bar is obtained according to the correspondence of the step number of the motor of the self-shooting bar and the length of the self-shooting bar
It spends and object distance is estimated according to the length and arm length, the arm length is set as definite value；
Corresponding image distance is determined according to the object distance；
According to correspondence of the image distance with the position of the focusing motor driving camera lens of the electronic device and the corresponding image distance
Determine the stepping step number of the focusing motor；And
The control module being connect with the processing module, the control module are used for according to the object distance and the correspondence control
Make the electronic device focusing.
8. photographing control device as claimed in claim 7, which is characterized in that the processing module is used to that the motor to be controlled to drive
The self-shooting bar is moved to stretch from default-length and calculate the step number of the motor with the length of the self-shooting bar after being stretched.
9. photographing control device as claimed in claim 8, which is characterized in that the default-length be shortest length, the horse
It is extended up to the self-shooting bar is driven from the shortest length；Or
The default-length is extreme length, and the motor drives the self-shooting bar to shorten from the extreme length.
10. photographing control device as claimed in claim 8, which is characterized in that the processing module is used to establish the motor
Step number and it is corresponding it is flexible after the self-shooting bar length between relationship and converting according to the relationship stretched after
The length of the self-shooting bar.
11. photographing control device as claimed in claim 8, which is characterized in that the processing module is additionally operable to receive user defeated
Enter the step pitch to determine the motor.
12. photographing control device as claimed in claim 7, which is characterized in that the control module is additionally operable to control the electricity
The focusing motor of sub-device carries out focusing fine tuning within a predetermined range.
13. a kind of camera system, which is characterized in that including electronic device, self-shooting bar and such as claim 7-12 any one institute
The photographing control device stated.
14. camera system as claimed in claim 13, which is characterized in that the photographing control device is integrated in the self-shooting bar
And/or the electronic device.
15. camera system as claimed in claim 13, which is characterized in that the self-shooting bar and the electronic device are using wireless
Or wired mode connection.
16. camera system as claimed in claim 13, which is characterized in that the electronic device includes mobile phone or tablet computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510999696.8A CN105657251B (en) | 2015-12-24 | 2015-12-24 | Camera control method, photographing control device and camera system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510999696.8A CN105657251B (en) | 2015-12-24 | 2015-12-24 | Camera control method, photographing control device and camera system |
Publications (2)
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| CN106060396B (en) * | 2016-06-29 | 2018-09-04 | 广东欧珀移动通信有限公司 | A kind of focusing method and relevant device |
| CN106341593B (en) * | 2016-08-22 | 2019-04-23 | 深圳市金立通信设备有限公司 | Camera control method and terminal |
| CN106303244A (en) * | 2016-08-22 | 2017-01-04 | 深圳市金立通信设备有限公司 | Self-shooting bar and length calculation method, acquisition parameters control method and terminal |
| CN106331477A (en) * | 2016-08-22 | 2017-01-11 | 深圳市金立通信设备有限公司 | Selfie rod and length calculation method therefor, shooting parameter adjusting method and terminal |
| CN106303277A (en) * | 2016-08-22 | 2017-01-04 | 深圳市金立通信设备有限公司 | The parameter control method of light compensating lamp, terminal and self-shooting bar |
| CN107124535B (en) * | 2017-04-19 | 2020-11-10 | 宇龙计算机通信科技(深圳)有限公司 | Double-camera shooting method and device |
| CN106878621B (en) * | 2017-04-19 | 2020-12-18 | 宇龙计算机通信科技(深圳)有限公司 | Double-camera shooting method and device |
| CN107124547B (en) * | 2017-04-19 | 2020-10-16 | 宇龙计算机通信科技(深圳)有限公司 | Double-camera shooting method and device |
| CN107026979B (en) * | 2017-04-19 | 2020-09-11 | 宇龙计算机通信科技(深圳)有限公司 | Double-camera shooting method and device |
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| CN204879381U (en) * | 2015-07-02 | 2015-12-16 | 南京工程学院 | Can electronic adjustment position appearance from rapping bar |
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