CN109788199A - It is a kind of suitable for the focusing method with dual camera terminal - Google Patents
It is a kind of suitable for the focusing method with dual camera terminal Download PDFInfo
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Abstract
The present invention provides a kind of suitable for the focusing method with dual camera terminal, cannot provide a kind of focusing method based on dual camera interaction in the prior art for solving the problems, such as.Method include: when carrying out picture pick-up device focusing, while start the first camera module obtain the first image information and starting the second camera module obtain the second image information；First camera module is identical as second camera module, and the picture pick-up device of the picture pick-up device of first camera module and second camera module is arranged along preset direction, and the preset direction is parallel with the line direction of two eyeballs of user；First phase information is determined according to the first image information, and second phase information is determined according to second image information；Phase difference is determined according to the first phase information and the second phase information.
Description
Technical field
The present invention relates to intelligent terminal technical fields more particularly to a kind of suitable for the focusing side with dual camera terminal
Method.
Background technique
With the rapid development of intelligent terminal such as mobile phone or tablet computer etc., mobile terminal to the life of user, work,
Amusement etc. provides more and more helps.Wherein, shooting function has become the indispensable a part of mobile terminal, and
And with the raising of people's quality of the life, requirement of the people to shooting effect is higher and higher, therefore, the focusing effect in shooting process
Fruit is also more and more important.
In the prior art, when being focused, often a camera focus or two cameras it is independent into
Row focusing, i.e., two cameras do not have apparent interactive process.Due to not interacted between two cameras, it is easy to occur one
It is a camera shooting it is stable quickly, and another camera occur significantly draw bellows phenomenon (camera is shown as to search for back and forth,
User, which sees interface obviously, clear, fuzzy variation).
In conclusion a kind of focusing method based on dual camera interaction cannot be provided in the prior art.
Summary of the invention
The present invention provides a kind of suitable for the focusing method with dual camera terminal, in the prior art cannot for solving
The problem of a kind of focusing method based on dual camera interaction is provided.
On the one hand, the present invention provides a kind of suitable for the focusing method with dual camera terminal, which comprises
When carrying out picture pick-up device focusing, while starting the first camera module the first image information of acquisition and starting second and taking the photograph
As mould group obtains the second image information；First camera module is identical as second camera module, the first camera shooting mould
Group picture pick-up device and second camera module picture pick-up device along preset direction be arranged, the preset direction with user two
The line direction of eyeball is parallel；
First phase information is determined according to the first image information, and second phase is determined according to second image information
Information；
Phase difference is determined according to the first phase information and the second phase information.
Further, all pixels point in the first image information and second image information is for carrying out pair
It is burnt.
Further, the first phase information includes first curve of light distribution, and the second phase information includes the
Two curves of light distribution, it is described that first phase information is determined according to the first image information, according to second image information
Determine second phase information, comprising:
First curve of light distribution is determined according to the first image information, determines second according to second image information
The curve of light distribution；
It is described that phase difference is determined according to the first phase information and the second phase information, comprising:
The phase difference is determined according to first curve of light distribution and second curve of light distribution.
Further, it is described phase difference is determined according to the first phase image and the second phase image after, also
Include:
The mobile side of camera lens in first camera module and/or second camera module is determined according to the phase difference
To and distance so that the picture pick-up device of the picture pick-up device of first camera module and/or second camera module realize pair
It is burnt.
On the one hand, the embodiment of the present invention also provides a kind of terminal, including the first camera module, the second camera module and processing
Device, first camera module is identical as second camera module, the picture pick-up device of first camera module and described the
The picture pick-up device of two camera modules is arranged along preset direction, and the preset direction is parallel with the line direction of two eyeballs of user；
First camera module, for obtaining the first image information when carrying out picture pick-up device focusing；
First camera module, for obtaining the second image information when carrying out picture pick-up device focusing；
The processor, for starting first camera module and second camera module simultaneously；
The processor is also used to determine first phase information according to the first image information, according to second figure
As information determines second phase information；Phase difference is determined according to the first phase information and the second phase information.
Further, all pixels point in the first image information and second image information is for carrying out pair
It is burnt.
Further, the first phase information includes first curve of light distribution, and the second phase information includes the
Two curves of light distribution, the processor are specifically used for:
First curve of light distribution is determined according to the first image information, determines second according to second image information
The curve of light distribution；
The phase difference is determined according to first curve of light distribution and second curve of light distribution.
Further, the processor is also used to:
The mobile side of camera lens in first camera module and/or second camera module is determined according to the phase difference
To and distance；
First camera module is also used to:
It is focused according to the moving direction of the camera lens and distance；
Second camera module is also used to:
It is focused according to the moving direction of the camera lens and distance.
On the one hand, the embodiment of the present invention also provides a kind of terminal device, including at least one processing unit and at least one
A storage unit, wherein the storage unit is stored with computer program, when described program is executed by the processing unit,
So that the processing unit execute it is described above be suitable for have dual camera terminal focusing method the step of.
On the one hand, the embodiment of the present invention also provides a kind of computer-readable medium, and being stored with can be executed by input equipment
Computer program described above be suitable for when described program is run on the input so that the input equipment executes
There is the step of focusing method of dual camera terminal.
In the embodiment of the present invention, by with the line direction of two eyeballs of user two camera modules disposed in parallel come mould
Anthropomorphic left vision information and right vision information, can be so as to by two image-forming informations of two identical camera modules
The prompt phase difference for quickly determining that focusing needs can be realized compared with prior art using the interaction of two camera modules
The focusing of two camera modules.And in embodiments of the present invention, in the first image information and second image information
All pixels point and needs to sacrifice in the prior art some pixels in sensor (sensor) for focusing, so that portion
Point pixel, which cannot be imaged, can retain all Pixel Informations of element to realize that focusing is compared, and improve image quality.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly introduced, it should be apparent that, drawings in the following description are only some embodiments of the invention, for this
For the those of ordinary skill in field, without any creative labor, it can also be obtained according to these attached drawings
His attached drawing.
Fig. 1 is schematic illustration of focusing in the prior art；
Fig. 2 is the structural schematic diagram of sensor in the prior art；
Fig. 3 is a kind of structural schematic diagram of focusing method provided in an embodiment of the present invention；
Fig. 4 is the position view of the first picture pick-up device and the second picture pick-up device provided in an embodiment of the present invention；
Fig. 5 is the schematic diagram of first phase information provided in an embodiment of the present invention and second phase information；
Fig. 6 is a kind of structural schematic diagram of sensor provided in an embodiment of the present invention；
Fig. 7 is a kind of structural schematic diagram of terminal provided in an embodiment of the present invention；
Fig. 8 is a kind of structural schematic diagram of terminal device provided in an embodiment of the present invention.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with attached drawing to the present invention make into
It is described in detail to one step, it is clear that the described embodiments are only some of the embodiments of the present invention, rather than whole implementation
Example.Based on the embodiments of the present invention, obtained by those of ordinary skill in the art without making creative efforts
All other embodiment, shall fall within the protection scope of the present invention.
Focusing mode in the prior art is general as shown in Figure 1, obtaining a left side by imaging sensor by a camera
Eye image and eye image determine the phase difference of focusing, and the structure of imaging sensor is as shown in Fig. 2, in the image sensor
Many phase focusing pixels are constructed, these pixels pass through specially treated, and the left vision information and right vision for simulating people are believed
Breath.But part Pixel Information can be lost using phase focusing pixel in the prior art, affect image quality.
The embodiment of the present invention provide it is a kind of suitable for the focusing method with dual camera terminal, as shown in Figure 3, comprising:
Step 301, when carrying out picture pick-up device focusing, while starting the first camera module and obtaining the first image information and open
Dynamic second camera module obtains the second image information；First camera module is identical as second camera module, and described
The picture pick-up device of the picture pick-up device of one camera module and second camera module is arranged along preset direction, the preset direction with
The line direction of two eyeballs of user is parallel；
Step 302, first phase information is determined according to the first image information, is determined according to second image information
Second phase information；
Step 303, phase difference is determined according to the first phase information and the second phase information.
In embodiments of the present invention, the camera module of picture pick-up device has referred to the related camera of camera shooting, sensor etc.
The combination of component.
In step 301, as shown in figure 4, illustratively giving a kind of schematic diagram of terminal, which has double camera shootings
Head, and the camera module of two cameras is consistent, i.e. the first camera and second camera camera module having the same,
And first camera module the first picture pick-up device and the second camera module the second picture pick-up device along with two eyeballs of user
The parallel direction setting in line direction, for example, user is that handheld terminal is vertically taken pictures, then the first picture pick-up device is taken the photograph with second
As the line of centres and horizontal direction parallel of equipment；If user uses the conventional terminal laterally taken pictures, the first camera shooting is set
It is standby parallel with vertical direction with the line of centres of the second picture pick-up device.
In step 301, when picture pick-up device is focused, the first camera and second camera obtain image simultaneously
Information is respectively formed the first image information and the second image information, since the first image information is obtained by the first camera
It arrives, the second image information is obtained by second camera, by the first image information come a left side (or right) for analog subscriber
The imaging process of eye can be focused by the first image information come the imaging process of the right side (or left) eye of analog subscriber
The right and left eyes image-forming information needed in journey.
In step 302, first phase information can be determined by the first image information, it can be with by the second image information
Determine second phase information.
In embodiments of the present invention, the first image information is capable of forming the phase information at a kind of similar " peak ", the second image
Information is also capable of forming the phase information at a kind of similar " peak ", such as shown in Fig. 5, the position at " peak " caused by different focal lengths
Difference, correct focal length can allow two peaks to be completely coincident.
In step 303, when " peak " that " peak " and the second image that the first image information is formed are formed is completely coincident, i.e.,
Focusing is completed, so needing to calculate the difference of first phase information Yu second phase information.In as shown in Figure 5, between two " peaks "
Difference be exactly phase difference.
Optionally, in embodiments of the present invention, in step 301, single picture pick-up device in the prior art can also be utilized
Focusing method obtain the first image information and the second image information, for example, a left side can be obtained by the first camera
Left-eye image information (or right-eye image information) is used as the first image information by eye image information and right-eye image information；It is logical
It crosses second camera and obtains left-eye image information and right-eye image information, by right-eye image information (or left-eye image information)
As the second image information.
Optionally, in embodiments of the present invention, in order to improve image quality, as shown in fig. 6, in the embodiment of the present invention
In, the structure of sensor as shown in fig. 6, all pixels point in the first image information and the second image information for carrying out pair
It is burnt.It is imaged by the sensor of Fig. 6, all pixels information can be used, improve image quality.
Optionally, in embodiments of the present invention, after phase difference has been determined, the first camera shooting mould can be determined according to phase difference
The moving direction and distance of camera lens in group and/or the second camera module, so that the picture pick-up device of the first camera module and/or second
The picture pick-up device of camera module realizes focusing.Terminal is eliminated phase difference by the mobile eyeglass of control camera lens, and it is clear to obtain
Auto-focusing and focus success are realized in projection.
Based on the same technical idea, the embodiment of the present application provides a kind of terminal, as shown in fig. 7, comprises: including first
Camera module 701, the second camera module 702 and processor 703, the first camera module is identical as 701 second camera modules 702,
The picture pick-up device 70201 of the picture pick-up device 70101 of first camera module 701 and the second camera module 702 is arranged along preset direction,
Preset direction is parallel with the line direction of two eyeballs of user；
First camera module 701, for obtaining the first image information when carrying out the focusing of picture pick-up device 70101；
First camera module 702, for obtaining the second image information when carrying out the focusing of picture pick-up device 70201；
Processor 703 is used for while starting the first camera module 701 and the second camera module 702；
Processor 703 is also used to determine first phase information according to the first image information, be determined according to the second image information
Second phase information；Phase difference is determined according to first phase information and second phase information.
Further, all pixels point in the first image information and the second image information is for focusing.
Further, the first phase information includes first curve of light distribution, and the second phase information includes the
Two curves of light distribution, the processor 703 are specifically used for:
First curve of light distribution is determined according to the first image information, determines second according to second image information
The curve of light distribution；
Further, the processor 703 is also used to:
The mobile side of camera lens in first camera module and/or second camera module is determined according to the phase difference
To and distance；
First camera module 701 is also used to:
It is focused according to the moving direction of the camera lens and distance；
Second camera module 702 is also used to:
It is focused according to the moving direction of the camera lens and distance.
Based on the same technical idea, the embodiment of the present application provides a kind of terminal device, as shown in figure 8, including at least
One processor 801, and the memory 802 connecting at least one processor do not limit processor in the embodiment of the present application
Specific connection medium between 801 and memory 802 is connected as in Fig. 8 by bus between processor 801 and memory 802
Example.Bus can be divided into address bus, data/address bus, control bus etc..
In the embodiment of the present application, memory 602 is stored with the instruction that can be executed by least one processor 801, at least
The instruction that one processor 801 is stored by executing memory 602, can execute step included in aforementioned focusing method.
Wherein, processor 801 is the control centre of electronic equipment, can use various interfaces and connection electronic equipment
Various pieces, by running or executing the instruction being stored in memory 802 and calling is stored in number in memory 802
According to so that it is determined that focusing method.Optionally, processor 801 may include one or more processing units, and processor 801 can integrate
Application processor and modem processor, wherein the main processing operation system of application processor, user interface and application program
Deng modem processor mainly handles wireless communication.It is understood that above-mentioned modem processor can not also integrate
Into processor 601.In some embodiments, processor 801 and memory 802 can be realized on the same chip, some
In embodiment, they can also be realized respectively on independent chip.
Processor 801 can be general processor, such as central processing unit (CPU), digital signal processor, dedicated integrated
Circuit (Application Specific Integrated Circuit, ASIC), field programmable gate array or other can
Perhaps transistor logic, discrete hardware components may be implemented or execute the application implementation for programmed logic device, discrete gate
Each method, step and logic diagram disclosed in example.General processor can be microprocessor or any conventional processor
Deng.The step of method in conjunction with disclosed in the embodiment of the present application, can be embodied directly in hardware processor and execute completion, Huo Zheyong
Hardware and software module combination in processor execute completion.
Memory 802 is used as a kind of non-volatile computer readable storage medium storing program for executing, can be used for storing non-volatile software journey
Sequence, non-volatile computer executable program and module.Memory 802 may include the storage medium of at least one type,
It such as may include flash memory, hard disk, multimedia card, card-type memory, random access storage device (Random Access
Memory, RAM), static random-access memory (Static Random Access Memory, SRAM), may be programmed read-only deposit
Reservoir (Programmable Read Only Memory, PROM), read-only memory (Read Only Memory, ROM), band
Electrically erasable programmable read-only memory (Electrically Erasable Programmable Read-Only Memory,
EEPROM), magnetic storage, disk, CD etc..Memory 802 can be used for carrying or storing have instruction or data
The desired program code of structure type and can by any other medium of computer access, but not limited to this.The application is real
Applying the memory 802 in example can also be circuit or other devices that arbitrarily can be realized store function, for storing program
Instruction and/or data.
The present invention be referring to according to the method for the embodiment of the present invention, the process of equipment (system) and computer program product
Figure and/or block diagram describe.It should be understood that every one stream in flowchart and/or the block diagram can be realized by computer program instructions
The combination of process and/or box in journey and/or box and flowchart and/or the block diagram.It can provide these computer programs
Instruct the processor of general purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices to produce
A raw machine, so that being generated by the instruction that computer or the processor of other programmable data processing devices execute for real
The device for the function of being specified in present one or more flows of the flowchart and/or one or more blocks of the block diagram.
These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works, so that it includes referring to that instruction stored in the computer readable memory, which generates,
Enable the manufacture of device, the command device realize in one box of one or more flows of the flowchart and/or block diagram or
The function of being specified in multiple boxes.
These computer program instructions also can be loaded onto a computer or other programmable data processing device, so that counting
Series of operation steps are executed on calculation machine or other programmable devices to generate computer implemented processing, thus in computer or
The instruction executed on other programmable devices is provided for realizing in one or more flows of the flowchart and/or block diagram one
The step of function of being specified in a box or multiple boxes.
Although preferred embodiments of the present invention have been described, it is created once a person skilled in the art knows basic
Property concept, then additional changes and modifications may be made to these embodiments.So it includes excellent that the following claims are intended to be interpreted as
It selects embodiment and falls into all change and modification of the scope of the invention.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
Mind and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to include these modifications and variations.
Claims (10)
1. a kind of suitable for the focusing method with dual camera terminal, which is characterized in that the described method includes:
When carrying out picture pick-up device focusing, while starting the first camera module and obtaining the first image information and starting the second camera shooting mould
Group obtains the second image information；First camera module is identical as second camera module, first camera module
The picture pick-up device of picture pick-up device and second camera module is arranged along preset direction, the preset direction and two eyeballs of user
Line direction it is parallel；
First phase information is determined according to the first image information, determines that second phase is believed according to second image information
Breath；
Phase difference is determined according to the first phase information and the second phase information.
2. the method according to claim 1, wherein the first image information and second image information
In all pixels point for focusing.
3. the method according to claim 1, wherein the first phase information includes that the first light distribution is bent
Line, the second phase information includes second curve of light distribution, described to determine first phase according to the first image information
Information determines second phase information according to second image information, comprising:
First curve of light distribution is determined according to the first image information, and the second light intensity is determined according to second image information
Distribution curve；
It is described that phase difference is determined according to the first phase information and the second phase information, comprising:
The phase difference is determined according to first curve of light distribution and second curve of light distribution.
4. the method according to claim 1, wherein described according to the first phase image and described second
After phase image determines phase difference, further includes:
According to the phase difference determine in first camera module and/or second camera module moving direction of camera lens and
Distance, so that the picture pick-up device of the picture pick-up device of first camera module and/or second camera module realizes focusing.
5. a kind of terminal, which is characterized in that including the first camera module, the second camera module and processor, first camera shooting
Mould group is identical as second camera module, the camera shooting of the picture pick-up device of first camera module and second camera module
Equipment is arranged along preset direction, and the preset direction is parallel with the line direction of two eyeballs of user；
First camera module, for obtaining the first image information when carrying out picture pick-up device focusing；
First camera module, for obtaining the second image information when carrying out picture pick-up device focusing；
The processor, for starting first camera module and second camera module simultaneously；
The processor is also used to determine first phase information according to the first image information, be believed according to second image
It ceases and determines second phase information；Phase difference is determined according to the first phase information and the second phase information.
6. terminal according to claim 5, which is characterized in that the first image information and second image information
In all pixels point for focusing.
7. terminal according to claim 5, which is characterized in that the first phase information includes that the first light distribution is bent
Line, the second phase information include second curve of light distribution, and the processor is specifically used for:
First curve of light distribution is determined according to the first image information, and the second light intensity is determined according to second image information
Distribution curve；
The phase difference is determined according to first curve of light distribution and second curve of light distribution.
8. terminal according to claim 5, which is characterized in that the processor is also used to:
According to the phase difference determine in first camera module and/or second camera module moving direction of camera lens and
Distance；
First camera module is also used to:
It is focused according to the moving direction of the camera lens and distance；
Second camera module is also used to:
It is focused according to the moving direction of the camera lens and distance.
9. a kind of terminal device, which is characterized in that including at least one processing unit and at least one storage unit, wherein
The storage unit is stored with computer program, when described program is executed by the processing unit, so that the processing unit
Perform claim requires the step of 1~4 any claim the method.
10. a kind of computer-readable medium, which is characterized in that it is stored with the computer program that can be executed by terminal device, when
When described program is run on the terminal device, so that the terminal device perform claim requires the step of 1~4 any the method
Suddenly.
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| US11877057B2 (en) | 2019-11-28 | 2024-01-16 | Vivo Mobile Communication Co., Ltd. | Electronic device and focusing method |
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