CN109862271A - Phase difference focusing method, electronic equipment and computer storage medium - Google Patents
Phase difference focusing method, electronic equipment and computer storage medium Download PDFInfo
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- CN109862271A CN109862271A CN201910146665.6A CN201910146665A CN109862271A CN 109862271 A CN109862271 A CN 109862271A CN 201910146665 A CN201910146665 A CN 201910146665A CN 109862271 A CN109862271 A CN 109862271A
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Abstract
The present embodiments relate to image taking technology fields, disclose a kind of phase difference focusing method, include: the first phase for obtaining image to be taken the photograph using the first camera and second camera arranged along first level line, the second phase of image to be taken the photograph is obtained using the third camera and the first camera arranged along the first vertical line；Obtain the phase difference of first phase and second phase；Judge phase difference whether in preset field depth；If so, calculating focus phase according to first phase and the second phase；Focal position is moved to according to the first camera of focus phase controlling, second camera and third camera.A kind of electronic equipment i.e. computer storage medium is additionally provided in embodiment of the present invention.Phase difference focusing method, electronic equipment and computer storage medium provided by the invention make it possible to horizontal stripe scene of accurately focusing.
Description
Technical field
The present embodiments relate to image taking technology field, in particular to a kind of phase difference focusing method, electronic equipment
And computer storage medium.
Background technique
Existing in image taking, commonly the mode of focusing is divided into: phase focusing and continuous focusing；Wherein, continuous focusing
(CAF) the advantages of is that focus effects are preferable under each brightness, but disadvantage is that focusing speed is slow；The advantages of phase focusing (PDAF)
It is fast for focusing speed, but disadvantage is the scene containing nicking that can only focus, and dark place focusing is bad.Therefore currently used to do
Method is that continuous focusing and phase focusing combine, and is focused at brighter place using phase, utilizes continuous focusing compared with dark place, so both
The focusing speed at bright place can be improved, and the focusing accuracy of dark place can be improved.
However, it is found by the inventors that at least there are the following problems in the prior art: current continuous focusing and phase focusing phase
In conjunction with mode cannot achieve accurate focusing horizontal stripe scene.
Summary of the invention
Be designed to provide a kind of phase difference focusing method, electronic equipment and the computer storage of embodiment of the present invention are situated between
Matter makes it possible to horizontal stripe scene of accurately focusing.
In order to solve the above technical problems, embodiments of the present invention provide a kind of phase difference focusing method, comprising: utilize
The first camera and second camera along the arrangement of first level line obtain the first phase of image to be taken the photograph, using vertical along first
The third camera and the first camera of line arrangement obtain the second phase of image to be taken the photograph；Obtain first phase and second phase
Phase difference；Judge phase difference whether in preset field depth；If so, being calculated according to first phase and the second phase
Focus phase；Focal position is moved to according to the first camera of focus phase controlling, second camera and third camera.
Embodiments of the present invention additionally provide a kind of electronic equipment, comprising: along the first camera shooting of first level line arrangement
The third camera that head and second camera and the first camera are arranged along the first vertical line, electronic equipment realize such as above-mentioned reality
Apply the phase difference focusing method of mode.
Embodiments of the present invention additionally provide a kind of a kind of electronic equipment, comprising: along the first of the arrangement of first level line
Camera and second camera, the third camera arranged with the first camera along the first vertical line, with third camera along the
The 4th camera and the 4th camera and second camera of two horizontal lines arrangement are arranged along the second vertical line, and electronic equipment is real
Now such as the phase difference focusing method of above embodiment.
Embodiments of the present invention additionally provide a kind of computer readable storage medium, are stored with computer program, described
The phase difference focusing method of above embodiment is realized when computer program is executed by processor.
Embodiment of the present invention in terms of existing technologies, provides a kind of phase difference focusing method, focal position by
First phase and second phase determine that first phase utilizes the first camera arranged along first level line and the second camera shooting jointly
Head obtains, and second phase obtained using the third camera and the first camera arranged along the first vertical line；Due to left and right
The accurate focusing to horizontal stripe scene may be implemented in the camera of arrangement, and camera arranged up and down may be implemented to nicking field
The accurate focusing of scape, therefore, according to the focus phase determined jointly by first phase and second phase, to control the first camera shooting
Head, second camera and third camera are moved to focal position, realize under various complex scenes to horizontal stripe scene
With the accurate focusing of nicking scene；And since the phase difference of first phase and second phase is in preset field depth, really
Protect imaging clearly.
In addition, before obtaining the phase difference of first phase and second phase, further includes: arrange using along the second horizontal line
Third camera and the 4th camera obtain the third phase of image to be taken the photograph, utilize the second camera shooting arranged along the second vertical line
Head and the 4th camera obtain the 4th phase of image to be taken the photograph；Whether identical as third phase judge first phase, and judges
Whether two phase is identical as the 4th phase, if it is all the same, then execute the step for obtaining the phase difference of first phase and second phase
Suddenly；After calculating focus phase according to first phase and second phase, further includes: according to the 4th camera of focus phase controlling
It is moved to focal position.Increase the 4th camera in the program, is imaged with the first camera, second camera and third
Head group is in pairs up and down, double or so camera group, the focusing checking mechanism of horizontal stripe and nicking scene is realized, to realize at certain
When one frame data exception, it still is able to normally complete focusing.
In addition, after judging whether first phase is identical as third phase, further includes: if first phase and third phase are not
It is identical, then utilize the first phase that image to be taken the photograph is reacquired along the first camera and second camera of the arrangement of first level line
Position and the third phase that image to be taken the photograph is reacquired using the third camera and the 4th camera arranged along the second horizontal line,
Until first phase is identical as third phase.The first phase and third phase of image to be taken the photograph are obtained in the program by repetition,
Guarantee that first phase is identical as third phase, to realize the unification of focal position under horizontal stripe scene.
In addition, after judging whether second phase is identical as the 4th phase, further includes: if second phase and the 4th phase are not
It is identical, then utilize the second phase that image to be taken the photograph is reacquired along the third camera of the first vertical line arrangement and the first camera
Position and the 4th phase that image to be taken the photograph is reacquired using the second camera and the 4th camera arranged along the second vertical line,
Until second phase is identical as the 4th phase.The second phase and the 4th phase of image to be taken the photograph are obtained in the program by repetition,
Guarantee that second phase is identical as the 4th phase, to realize the unification of focal position under nicking scene.
In addition, focus phase is calculated according to first phase and second phase, specifically: calculate first phase and second phase
Average value, using average value as focus phase.
In addition, obtaining the first phase of image to be taken the photograph using the first camera and second camera arranged along first level line
Position, specifically include: using along the first camera and second camera that first level line is arranged any one as main camera,
Another is as secondary camera；It is treated with secondary camera and takes the photograph image and focus, and mobile main camera, make main camera
Focus is identical as the secondary focus of camera, obtains first phase according to focus.The of left and right arrangement is shown in particular in the program
How one camera and second camera specifically obtain first phase.
In addition, obtaining the second phase of image to be taken the photograph using the third camera and the first camera arranged along the first vertical line
Position, specifically include: using along the third camera and the first camera that the first vertical line arrange any one camera as lead
Camera, the secondary camera of another conduct；It is treated with secondary camera and takes the photograph image and focus, and mobile main camera, make to lead
The focus of camera is identical as the secondary focus of camera, obtains second phase according to focus.It is shown in particular in the program up and down
How the third camera and the first camera of arrangement specifically obtain second phase.
Detailed description of the invention
One or more embodiments are illustrated by the picture in corresponding attached drawing, these exemplary theorys
The bright restriction not constituted to embodiment, the element in attached drawing with same reference numbers label are expressed as similar element, remove
Non- to have special statement, composition does not limit the figure in attached drawing.
Fig. 1 is flow diagram in the phase difference focusing method of first embodiment according to the present invention；
Fig. 2 is flow diagram in the phase difference focusing method of second embodiment according to the present invention；
Fig. 3 is the schematic diagram of the electronic equipment of third embodiment according to the present invention；
Fig. 4 is the schematic diagram of the electronic equipment of the 4th embodiment according to the present invention.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with attached drawing to the present invention
Each embodiment be explained in detail.However, it will be understood by those skilled in the art that in each embodiment party of the present invention
In formula, in order to make the reader understand this application better, many technical details are proposed.But even if without these technical details
And various changes and modifications based on the following respective embodiments, the application technical solution claimed also may be implemented.
The first embodiment of the present invention is related to a kind of phase difference focusing methods, and the core of present embodiment is, provide
A kind of phase difference focusing method, using the first camera and second camera arranged along first level line obtains image to be taken the photograph
First phase, the second phase of image to be taken the photograph is obtained using the third camera and the first camera arranged along the first vertical line
Position；Whether the phase difference for obtaining first phase and second phase, judge phase difference in preset field depth；If so, root
Focus phase is calculated according to first phase and the second phase；According to the first camera of focus phase controlling, second camera with
And third camera is moved to focal position.Focal position is determined that first phase is utilized by first phase and second phase jointly
The first camera and second camera along the arrangement of first level line obtain, and second phase, which is utilized, arranges along the first vertical line
Third camera and the first camera obtain；Since the camera of left and right arrangement may be implemented to the accurate right of horizontal stripe scene
The accurate focusing to nicking scene may be implemented in coke, camera arranged up and down, therefore, according to by first phase and the second phase
The focus phase that position determines jointly, is moved to focal position to control the first camera, second camera and third camera,
Realize the accurate focusing under various complex scenes to horizontal stripe scene and nicking scene；And due to first phase and second
The phase difference of phase is in preset field depth, it is ensured that imaging clearly.
The realization details of the phase difference focusing method of present embodiment is specifically described below, the following contents is only
The realization details for understanding and providing is provided, the necessary of this programme is not implemented.
The flow diagram of phase difference focusing method in present embodiment is as shown in Figure 1:
Step 101: obtaining the of image to be taken the photograph using the first camera and second camera arranged along first level line
One phase obtains the second phase of image to be taken the photograph using the third camera and the first camera arranged along the first vertical line.
Specifically, the first of image to be taken the photograph is obtained using the first camera and second camera arranged along first level line
Phase specifically includes: using along the first camera and second camera that first level line is arranged any one as main camera shooting
Head, the secondary camera of another conduct；It is treated with secondary camera and takes the photograph image and focus, and mobile main camera, make main camera shooting
The focus of head is identical as the secondary focus of camera, obtains first phase according to focus.
Using any one in the first camera and second camera as main camera, another work in present embodiment
For secondary camera, due to mainly using secondary camera focusing after, directly by the focal adjustments of main camera and secondary camera
Focus is identical, it is thereby achieved that the rapid focus of the first camera and second camera, so as to quickly obtain the first camera shooting
The first phase of focal position when head and second camera focusing.And since the first camera and second camera are along first level
Line arrangement, therefore can realize quick, the accurate focusing of horizontal stripe scene.
Specifically, the second of image to be taken the photograph is obtained using the third camera and the first camera arranged along the first vertical line
Phase specifically includes: using along the third camera and the first camera that the first vertical line is arranged any one camera as
Main camera, the secondary camera of another conduct；It is treated with secondary camera and takes the photograph image and focus, and mobile main camera, made
The focus of main camera is identical as the secondary focus of camera, obtains second phase according to focus.
Using any one in the first camera and third camera as main camera, another work in present embodiment
For secondary camera, due to mainly using secondary camera focusing after, directly by the focal adjustments of main camera and secondary camera
Focus is identical, it is thereby achieved that the rapid focus of the first camera and third camera, so as to quickly obtain the first camera shooting
The second phase of focal position when head and third camera focusing.And since the first camera and third camera are vertical along first
Line arrangement, therefore can realize quick, the accurate focusing of nicking scene.
First is shared when from the above, it is seen that horizontal stripe scene and nicking scene being focused in present embodiment to take the photograph
As head, while realizing the focusing of horizontal, vertical striped scene, additionally it is possible to simplify the structure of equipment.
Step 102: obtaining the phase difference of first phase and second phase.
Specifically, as secondary camera might not first take the photograph when due to horizontal stripe scene and nicking scene
As head, therefore, focal position when horizontal stripe scene and nicking scene are focused is likely to not identical, i.e. first phase and the
Two phase is simultaneously unequal.
Step 103: phase difference is judged whether in preset field depth, if so, entering step 104；If it is not, then should
Process terminates.
Specifically, the so-called depth of field ((Depth of Field) refer to after the completion of focusing, before and after focus in the range of institute
The clear image of presentation, this distance range one in front and one in back is the depth of field.Therefore, to realize blur-free imaging, then horizontal stripe field
The difference of the distance between focus when the focus and nicking scene that scape focusing is are focused cannot be beyond preset field depth, i.e.,
The difference of first phase and second phase need in preset field depth, such as: preset field depth is ± 50, then the
The difference of one phase and second phase need to be within ± 50.For preset field depth and without limit in present embodiment
It is fixed, it can be according to actual photographed situation self-setting.
If it is determined that the difference of first phase and second phase then executes step in preset field depth in present embodiment
Rapid 104 calculate focus phase according to first phase and second phase；If process terminates not in preset field depth, this
Directly terminate process in embodiment for simplified flowchart, but in actual photographed, if the difference of first phase and second phase
In no longer preset field depth, step 101 execution is often returned to.
Step 104: focus phase is calculated according to first phase and second phase.
Specifically, the average value for calculating first phase and second phase, using average value as focus phase.Due to the first phase
Position with the phase difference of second phase in preset field depth, therefore using the average value of first phase and second phase as conjunction
When burnt phase, photo is shot necessarily clearly with the focus phase.The calculation of certain focus phase is not limited to this
This in embodiment is a kind of, can also calculate focus phase by distributing different weighted values for first phase and second phase
Position.Such as: assuming that first phase is 100, second phase 140, preset field depth is ± 50, then first phase and the
The phase difference of two phase is in preset field depth.If at this time using average value as focus phase, then focus phase is
120；If being calculated according to first phase weight 0.2, second phase weight 0.8, then focus phase is 132.It either " will
The average value of first phase and second phase is as focus phase " still " different power is distributed for first phase and second phase
Weight values calculate focus phase " within the protection scope of present embodiment.Wherein, how weighted value specifically distributes by user
Self-setting.
Step 105: focus is moved to according to the first camera of focus phase controlling, second camera and third camera
Position.
Specifically, after having determined focus phase, the first camera of motor control, second camera and third camera
It is moved to focal position, then completes the focusing of three cameras.
Compared with prior art, embodiment of the present invention provides a kind of phase difference focusing method, and focal position is by first
Phase and second phase determine jointly, first phase using the first camera and second camera arranged along first level line come
It obtains, second phase is obtained using the third camera and the first camera arranged along the first vertical line；Since left and right is arranged
Camera the accurate focusing to horizontal stripe scene may be implemented, camera arranged up and down may be implemented to nicking scene
Accurate focusing, therefore, according to the focus phase determined jointly by first phase and second phase, to control the first camera, the
Two cameras and third camera are moved to focal position, realize under various complex scenes to horizontal stripe scene and vertical bar
The accurate focusing of line scene；And since the phase difference of first phase and second phase is in preset field depth, it is ensured that imaging
Clearly.
Second embodiment of the present invention is related to a kind of phase difference focusing method.Second embodiment is to the first embodiment party
The improvement of formula, mainly thes improvement is that, increases the 4th camera, with the first camera, second camera and third
Camera group is in pairs up and down, double or so camera group, realizes the focusing checking mechanism of horizontal stripe and nicking scene, so that it is guaranteed that
When wherein abnormal (such as: data frame is lost extremely etc.) occurs in a certain phase when focusing under cross/nicking scene, it still is able to just
Often complete the focusing of horizontal stripe scene.
The flow diagram of phase difference focusing method in present embodiment is as shown in Fig. 2, specifically include:
Step 201: obtaining the of image to be taken the photograph using the first camera and second camera arranged along first level line
One phase obtains the second phase of image to be taken the photograph using the third camera and the first camera arranged along the first vertical line.
Above-mentioned steps 201 are roughly the same with the step 101 in first embodiment, and details are not described herein.
Step 202: obtaining the of image to be taken the photograph using the third camera arranged along the second horizontal line and the 4th camera
Three phases obtain the 4th phase of image to be taken the photograph using the second camera and the 4th camera arranged along the second vertical line.
Specifically, along the second horizontal line arrangement third camera and the 4th camera obtain third phase mode with
The mode for obtaining first phase along the first camera and second camera of the arrangement of first level line is roughly the same；It is vertical along first
The mode that the third camera and the first camera of line arrangement obtain second phase is imaged with along the second of the arrangement of the second vertical line
Head and the 4th camera acquisition the mode of the 4th phase it is roughly the same, in present embodiment for specific acquisition process without
It is described in detail.
Step 203: judging whether first phase is identical as third phase.If so, entering step 204；If it is not, then entering
Step 209.
Specifically, first phase and third phase are carried out to horizontal stripe scene to defocused obtained phase value.When obtaining
When taking that wherein abnormal (such as: data frame is lost extremely etc.) occurs in a certain phase, there are also the values of another phase to keep normal, thus
When ensuring that abnormal (such as: data frame is lost extremely etc.) occurs in wherein a certain phase when focusing under horizontal stripe scene, still can
Enough normally complete the focusing of horizontal stripe scene.Therefore, before calculating phase difference, it is ensured that first phase is identical as third phase,
Realize the unification of focal position under horizontal stripe scene.
If it is determined that first phase is identical as third phase in present embodiment, thens follow the steps 204 and continue to judge the second phase
Whether position is identical as the 4th phase；If it is determined that first phase is not identical as third phase, 209 reacquisitions first are thened follow the steps
Phase and second phase are until first phase is identical as third phase.
Step 204: judging whether second phase is identical as the 4th phase.If so, entering step 205；If it is not, then entering
Step 210.
Specifically, second phase and the 4th phase are carried out to vertical bar scene to defocused obtained phase value.When obtaining
When taking that wherein abnormal (such as: data frame is lost extremely etc.) occurs in a certain phase, there are also the values of another phase to keep normal, thus
When ensuring that abnormal (such as: data frame is lost extremely etc.) occurs in wherein a certain phase when focusing under nicking scene, still can
Enough normally complete the focusing of nicking scene.Therefore, before calculating phase difference, it is ensured that second phase is identical as the 4th phase,
Realize the unification of focal position under nicking scene.
If it is determined that second phase is identical as the 4th phase in present embodiment, then follow the steps 205 acquisition first phase with
The phase difference of second phase；If it is determined that second phase and the 4th phase be not identical, 210 reacquisition second phase are thened follow the steps
With the 4th phase until second phase is identical as the 4th phase.
Step 205: obtaining the phase difference of first phase and second phase.
Step 206: judging phase difference whether in preset field depth.If so, entering step 207；If it is not, then should
Process terminates.
Step 207: focus phase is calculated according to first phase and second phase.
Step 208: focus is moved to according to the first camera of focus phase controlling, second camera and third camera
Position.
Above-mentioned steps 205 are roughly the same to step 105 with the step 102 in first embodiment to step 208, herein not
It repeats again.
Step 209: focal position is moved to according to the 4th camera of focus phase controlling.
Specifically, drive the 4th camera of motor control to be moved to focal position after obtaining focus phase, complete to the
The focusing of four cameras.It is worth noting that being only to write to facilitate that step 209 is placed in after step 208 in present embodiment
It executes, but actually step 208 and step 209 have no specific sequencing relationship, step 209 can be held before step 208
Row, can also be performed simultaneously with step 208.
Step 210: reacquiring first phase and second phase until first phase is identical as third phase.
Specifically, utilizing the first camera shooting along the arrangement of first level line if first phase is not identical as third phase
Head and second camera reacquire the first phase of image to be taken the photograph and using the third camera arranged along the second horizontal line and
4th camera reacquires the third phase of image to be taken the photograph, until first phase is identical as third phase.Pass through in the program
Repetition obtains the first phase and third phase of image to be taken the photograph, and guarantees that first phase is identical as third phase, to realize horizontal stripe
The unification of focal position under line scene.After step 210 is finished, return step 204 is continued to execute.
Step 211: reacquiring second phase and the 4th phase until second phase is identical as the 4th phase.
Specifically, utilizing the third camera shooting along the arrangement of the first vertical line if second phase and the 4th phase be not identical
Head and the first camera reacquire the second phase of image to be taken the photograph and using the second camera arranged along the second vertical line and
4th camera reacquires the 4th phase of image to be taken the photograph, until second phase is identical as the 4th phase.Pass through in the program
Repetition obtains the second phase and the 4th phase of image to be taken the photograph, and guarantees that second phase is identical as the 4th phase, to realize vertical bar
The unification of focal position under line scene.After step 211 is finished, return step 205 is continued to execute.
It is executed it should be noted that only being write in present embodiment and facilitating for step 202 to be placed in after step 201, but
Actually step 201 and step 202 have no specific sequencing relationship, and step 202 also executes before step 201.Equally
, step 203 and step 204 be also to write to facilitate for step 204 to be placed in after step 203 and execute, actually step 203 and
Step 204 has no specific sequencing relationship, and step 204 can be executed before step 203 or is performed simultaneously with step 203.
Compared with prior art, a kind of phase difference focusing method is provided in embodiment of the present invention, is obtaining the first phase
Position with before the phase difference of second phase, further includes: utilization the third camera and the 4th camera arranged along the second horizontal line
The third phase for obtaining image to be taken the photograph obtains figure to be taken the photograph using the second camera and the 4th camera arranged along the second vertical line
4th phase of picture；Whether identical as third phase judge first phase, and judge whether second phase is identical as the 4th phase,
If it is all the same, then the step of executing the phase difference for obtaining first phase and second phase；According to first phase and the second phase
Position calculates after focus phase, further includes: is moved to focal position according to the 4th camera of focus phase controlling.Increase in the program
Add the 4th camera, and the first camera, second camera and third camera group be in pairs up and down, double or so camera
Group realizes the focusing checking mechanism of horizontal stripe and nicking scene, so that it is guaranteed that wherein a certain when focusing under cross/nicking scene
Phase appearance exception (such as: data frame is lost extremely etc.) when, it still is able to normally complete the focusing of horizontal stripe scene.
The step of various methods divide above, be intended merely to describe it is clear, when realization can be merged into a step or
Certain steps are split, multiple steps are decomposed into, as long as including identical logical relation, all in the protection scope of this patent
It is interior；To adding inessential modification in algorithm or in process or introducing inessential design, but its algorithm is not changed
Core design with process is all in the protection scope of the patent.
Third embodiment of the invention is related to a kind of electronic equipment, as shown in Figure 3, comprising: along the arrangement of first level line
The third camera 33 that first camera 31 and second camera 32 and the first camera 31 are arranged along the first vertical line, electronics
Equipment realizes the phase difference focusing method in first embodiment.
Four embodiment of the invention is related to a kind of electronic equipment, as shown in Figure 4, comprising: along the arrangement of first level line
First camera 31 and second camera 32, the third camera 33 arranged with the first camera 31 along the first vertical line, with the
The 4th camera 34 and the 4th camera 34 and second camera 32 that three cameras 33 are arranged along the second horizontal line are perpendicular along second
Straight line arrangement, electronic equipment realize the phase difference focusing method of above-mentioned first and/or second embodiment.
Embodiment further provides a kind of computer readable storage mediums by of the invention the 5th, are stored with computer program,
When the computer program is executed by processor in fact above-mentioned first and/or second embodiment phase difference focusing method.
That is, it will be understood by those skilled in the art that implement the method for the above embodiments be can be with
Relevant hardware is instructed to complete by program, which is stored in a storage medium, including some instructions are to make
It obtains an equipment (can be single-chip microcontroller, chip etc.) or processor (processor) executes side described in each embodiment of the application
The all or part of the steps of method.And storage medium above-mentioned includes: USB flash disk, mobile hard disk, read-only memory (ROM, Read-Only
Memory), random access memory (RAM, Random Access Memory), magnetic or disk etc. are various can store journey
The medium of sequence code.
It will be understood by those skilled in the art that the respective embodiments described above are to realize specific embodiments of the present invention,
And in practical applications, can to it, various changes can be made in the form and details, without departing from the spirit and scope of the present invention.
Claims (10)
1. a kind of phase difference focusing method characterized by comprising
The first phase that image to be taken the photograph is obtained using the first camera and second camera arranged along first level line, utilizes edge
The third camera and first camera of the arrangement of first vertical line obtain the second phase of image to be taken the photograph；
Obtain the phase difference of the first phase Yu the second phase；
Judge the phase difference whether in preset field depth；
If so, calculating focus phase according to the first phase and the second phase；
It is moved to according to the first camera described in the focus phase controlling, the second camera and the third camera
Focal position.
2. phase difference focusing method according to claim 1, which is characterized in that obtain the first phase and institute described
Before the phase difference for stating second phase, further includes:
The third phase of the image to be taken the photograph is obtained using the third camera arranged along the second horizontal line and the 4th camera
Position obtains the 4th of the image to be taken the photograph the using the second camera arranged along the second vertical line and the 4th camera
Phase；
Whether identical as the third phase judge the first phase, and judge the second phase whether with the 4th phase
Position is identical, if it is all the same, then the step of executing the phase difference for obtaining the first phase and the second phase；
It is described calculate according to the first phase and the second phase focus phase after, further includes:
The focal position is moved to according to the 4th camera described in the focus phase controlling.
3. phase difference focusing method according to claim 2, which is characterized in that it is described judge the first phase whether with
After the third phase is identical, further includes:
If the first phase and the third phase be not identical, the first camera and the along the arrangement of first level line is utilized
Two cameras reacquire the first phase of the image to be taken the photograph and utilize the third camera arranged along the second horizontal line
The third phase that the image to be taken the photograph is reacquired with the 4th camera, until the first phase and the third phase phase
Together.
4. phase difference focusing method according to claim 2, which is characterized in that it is described judge the second phase whether with
After 4th phase is identical, further includes:
If the second phase and the 4th phase be not identical, the third camera along the arrangement of the first vertical line and institute are utilized
The first camera is stated to reacquire the second phase of the image to be taken the photograph and take the photograph using arrange along the second vertical line described second
As head and the 4th camera reacquire the 4th phase of the image to be taken the photograph, up to the second phase and the described 4th
Phase is identical.
5. phase difference focusing method according to claim 1, which is characterized in that described according to the first phase and described
Second phase calculates focus phase, specifically:
The average value for calculating the first phase and the second phase, using the average value as the focus phase.
6. phase difference focusing method according to claim 1, which is characterized in that the utilization was arranged along first level line
First camera and second camera obtain the first phase of image to be taken the photograph, and specifically include:
Using it is described along first level line arrangement the first camera and second camera along any one as main camera, in addition
One as secondary camera；
It is focused with the secondary camera to the image to be taken the photograph, and the mobile main camera, makes the main camera
Focus is identical as the secondary focus of camera, obtains the first phase according to the focus.
7. phase difference focusing method according to claim 1, which is characterized in that utilize the third arranged along the first vertical line
Camera and first camera obtain the second phase of image to be taken the photograph, and specifically include:
Using along the third camera and first camera that the first vertical line is arranged any one camera as main camera shooting
Head, the secondary camera of another conduct；
It is focused with the secondary camera to the image to be taken the photograph, and the mobile main camera, makes the main camera
Focus is identical as the secondary focus of camera, obtains the second phase according to the focus.
8. a kind of electronic equipment characterized by comprising along first level line arrangement the first camera and second camera,
The third camera arranged with first camera along the first vertical line, the electronic equipment realize such as claim 1 and
Phase difference focusing method described in any one of 5 to 7.
9. a kind of electronic equipment characterized by comprising along first level line arrangement the first camera and second camera,
The third camera arranged with first camera along the first vertical line is arranged with the third camera along the second horizontal line
The 4th camera and the 4th camera and the second camera arrange along the second vertical line, the electronic equipment reality
The now phase difference focusing method as described in any one of claims 1 to 7.
10. a kind of computer storage medium, is stored with computer program, which is characterized in that the computer program is by processor
The phase difference focusing method as described in any one of claims 1 to 7 is realized when execution.
Priority Applications (1)
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| CN112866548A (en) * | 2019-11-12 | 2021-05-28 | Oppo广东移动通信有限公司 | Phase difference acquisition method and device and electronic equipment |
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