CN106773514B - A kind of parallel adjusting method of camera module optical axis and system - Google Patents
A kind of parallel adjusting method of camera module optical axis and system Download PDFInfo
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- CN106773514B CN106773514B CN201611192655.9A CN201611192655A CN106773514B CN 106773514 B CN106773514 B CN 106773514B CN 201611192655 A CN201611192655 A CN 201611192655A CN 106773514 B CN106773514 B CN 106773514B
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
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Abstract
The invention discloses a kind of parallel adjusting method of camera module optical axis and systems, method includes: to shoot same width calibration maps at least two camera modules to be regulated, obtain the calibration maps image of each camera module shooting, calibration maps are arranged towards at least two camera modules, and the photosurface of the camera module is vertical with its optical axis；According to the calibration maps image of acquisition, the photosurface of each camera module and the angle of calibration maps place plane are calculated separately；Fix the first camera module, according to the correspondence angle of the correspondence angle of the first camera module and another camera module, obtain the photosurface of another camera module and the angle of the first camera module photosurface, another camera module is adjusted according to the angle of the two photosurface, it is parallel to reach the two photosurface.It is adjusted between camera module compared with the parallel method of optical axis with existing based on camera module shape, the parallel adjusting method of camera module optical axis of the present invention and system, the optical axis that can more precisely adjust each camera module are parallel.
Description
Technical field
The present invention relates to optical technical fields, more particularly to a kind of parallel adjusting method of camera module optical axis and system.
Background technique
Using the mobile terminal device of double camera modules, it will be the development trend of future market.But for double camera shooting moulds
Group needs to keep the optical axis of two camera modules parallel, and the image that shooting obtains in this way, which just can guarantee, reaches good imaging effect.
In the prior art, be by camera module shape come position its optical axis and adjust keep the optical axis between mould group parallel, show
Right this method degree of regulation is not high, causes imaging effect poor.
Summary of the invention
The object of the present invention is to provide a kind of parallel adjusting method of camera module optical axis and systems, can more precisely adjust
The optical axis for saving each camera module is parallel.
To achieve the above object, the invention provides the following technical scheme:
A kind of parallel adjusting method of camera module optical axis, comprising:
Same width calibration maps are shot at least two camera modules to be regulated, obtain the mark of each camera module shooting
Determine figure image, the calibration maps are arranged towards at least two camera modules, the photosurface of the camera module and its optical axis
Vertically；
According to the calibration maps image of acquisition, photosurface and the calibration maps place for calculating separately each camera module are flat
The angle in face；
The first camera module is fixed, according to the correspondence angle and another camera module of first camera module
Correspondence angle, obtain the photosurface of another camera module and the angle of the first camera module photosurface, root
Another described camera module is adjusted according to the angle of the two photosurface, it is parallel to reach the two photosurface.
Optionally, calibration point is equipped in the calibration maps；
According to the calibration maps image of acquisition, the photosurface of the camera module and the folder of calibration maps place plane are calculated
Angle includes:
It is that xOy plane establishes three with plane where photosurface using any point of the camera module photosurface as origin
It ties up rectangular coordinate system and the mark is sought according to coordinate of the calibration point in the calibration maps in the three-dimensional cartesian coordinate system
Plane equation of the plane in the three-dimensional cartesian coordinate system where fixed figure；
The angle of plane and the camera module photosurface where calculating the calibration maps according to the plane equation.
Optionally, described using any point of the camera module photosurface as origin, it is xOy with plane where photosurface
Plane establishes three-dimensional cartesian coordinate system, according to coordinate of the calibration point in the calibration maps in the three-dimensional cartesian coordinate system,
Plane equation of the plane in the three-dimensional cartesian coordinate system includes: where seeking the calibration maps
It is that xOy plane establishes three-dimensional straight with plane where photosurface using the center of the camera module photosurface as origin
Angular coordinate system M at least sets three calibration points in the calibration maps, and the i-th calibration point is determined in the calibration maps image of shooting
Picpointed coordinate be (xi', yi', 0)；
The first calibration point in the calibration maps is measured to be calculated to the distance H on the camera module group lens surface according to following
Formula calculates the coordinate (x for obtaining the first calibration point in coordinate system M1, y1, z1), specifically:
Wherein, (Cx, Cy, 0) indicate camera module photosurface center coordinate, S indicate the first calibration point picture point arrive
The distance on the camera module group lens surface to be measured meetsF indicates the focal length of the camera module group lens；
X coordinate value and y-coordinate value of i-th calibration point in coordinate system M are calculated according to following calculating formula, specifically:
Wherein, (xi, yi, zi) indicate coordinate of i-th calibration point in coordinate system M, ziIt is unknown；
It is built according to other two arbitrary calibration point with the side of the constituted triangle of the first calibration point and the relationship at angle
Vertical equation group solves the z coordinate value of other two calibration point in coordinate system M；
According to first calibration point and at least coordinate of other two calibration point in coordinate system M, the mark is sought
Plane equation of the plane in coordinate system M where fixed figure.
Optionally, first calibration point and other two described calibration point are followed successively by A point, B point and C point, 3 points of compositions
Right angled triangle, the first calibration point A point are right angle electrical；
According toAndEquation group is established, the z coordinate value of B point, C point is solved.
Optionally, it according to first calibration point and at least coordinate of other two calibration point in coordinate system M, uses
Plane equation of the plane in coordinate system M where least square method fitting obtains the calibration maps, specifically:
Coordinate (x of each calibration point in coordinate system M in the calibration mapsi, yi, zi), if plane where the calibration maps
Plane equation is z=a*x+b*y+c；
It enablesIt is minimum with S value, it solves and obtains a, b, c.
Optionally, described that the calibration maps place plane and the camera module photosurface are calculated according to the plane equation
Angle include:
The plane equation of plane is z=a*x+b*y+c where solving the obtained calibration maps, in the plane equation
Arbitrarily take 3 points of (x01, y01, z01)、(x02, y02, z02) and (x03, y03, z03), it is put down where calculating calibration maps according to following calculating formula
The angle anglex of face and y-axis and angle angley with x-axis:
Optionally, described according to the correspondence angle of first camera module and the correspondence of another camera module
Angle obtains the photosurface of another camera module and the angle of the first camera module photosurface, according to the two
The angle of photosurface adjusts another described camera module, includes: in parallel to reach the two photosurface
According to the angle and the calibration maps of plane and the first camera module photosurface y-axis where the calibration maps
The angle of place plane and another camera module photosurface y-axis, obtain the first camera module photosurface y-axis with
The angle of another camera module photosurface y-axis, according to the angle of the two photosurface y-axis, adjust it is described another
Camera module, it is parallel with the y-axis for reaching the two photosurface；
According to the angle and the calibration maps of plane and the first camera module photosurface x-axis where the calibration maps
The angle of place plane and another camera module photosurface x-axis, obtain the first camera module photosurface x-axis with
The angle of another camera module photosurface x-axis, according to the angle of the two photosurface x-axis, adjust it is described another
Camera module, it is parallel with the x-axis for reaching the two photosurface.
A kind of parallel regulating system of camera module optical axis, comprising:
Control module is shot, same width calibration maps is shot for controlling at least two camera modules to be regulated, obtains
The calibration maps image of each camera module shooting, the calibration maps are described to take the photograph towards at least two camera module settings
As the photosurface of mould group is vertical with its optical axis；
Computing module calculates separately photosurface and the institute of each camera module for the calibration maps image according to acquisition
The angle of plane where stating calibration maps；
Adjustment module, for fixing the first camera module, according to the correspondence angle of first camera module, and in addition
The correspondence angle of one camera module, photosurface and first camera module for obtaining another camera module are photosensitive
The angle in face adjusts another described camera module according to the angle of the two photosurface, parallel to reach the two photosurface.
As shown from the above technical solution, the parallel adjusting method of camera module optical axis provided by the present invention and system, with mark
Determine figure to be arranged towards camera module, shoots same width calibration maps at least two camera modules to be regulated, obtain each camera shooting mould
The calibration maps image of group shooting；According to the calibration maps image of each camera module, the photosurface and mark of each camera module are calculated separately
The angle of plane where fixed figure；Fix the first camera module, according to the correspondence angle of the first camera module and another take the photograph
As the correspondence angle of mould group, the photosurface of another camera module to be regulated and the folder of the first camera module photosurface are obtained
Angle adjusts another described camera module according to the angle of the two photosurface, parallel to reach the two photosurface.Due to camera shooting
The photosurface of mould group is vertical with its optical axis, therefore the photosurface of two camera modules is parallel, then optical axis is respective parallel.
With optical axis between the existing adjusting camera module based on camera module shape compared with parallel method, camera module of the present invention
The parallel adjusting method of optical axis and system, the optical axis that can more precisely adjust each camera module are parallel.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is a kind of flow chart of the parallel adjusting method of camera module optical axis provided in an embodiment of the present invention；
Fig. 2 is plane where calculating camera module photosurface and calibration maps according to calibration maps image in the embodiment of the present invention
The method flow diagram of angle；
Fig. 3 is the schematic diagram of plane included angle where seeking camera module photosurface and calibration maps in the embodiment of the present invention；
Fig. 4 is a kind of schematic diagram of the parallel regulating system of camera module optical axis provided in an embodiment of the present invention.
Specific embodiment
Technical solution in order to enable those skilled in the art to better understand the present invention, below in conjunction with of the invention real
The attached drawing in example is applied, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described implementation
Example is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is common
Technical staff's every other embodiment obtained without making creative work, all should belong to protection of the present invention
Range.
Referring to FIG. 1, the embodiment of the present invention provides a kind of camera module optical axis parallel adjusting method, comprising steps of
S10: shooting same width calibration maps at least two camera modules to be regulated, obtains each camera module shooting
Calibration maps image, the calibration maps towards at least two camera modules settings, the photosurface of the camera module and its
Optical axis is vertical.
For more camera modules, such as double camera modules, each camera module is arranged side by side.By calibration maps towards camera module
Setting shoots image to same calibration maps with each camera module, obtains the calibration maps image of each camera module shooting.
S11: according to the calibration maps image of acquisition, calculate separately each camera module photosurface and the calibration maps institute
In the angle of plane.
S12: fixing the first camera module, according to the correspondence angle of first camera module and another camera shooting
The correspondence angle of mould group obtains the photosurface of another camera module and the folder of the first camera module photosurface
Angle adjusts another described camera module according to the angle of the two photosurface, parallel to reach the two photosurface.
The first camera module is fixed other camera modules are adjusted.Specifically, according to calculated first camera shooting mould
Plane where the angle and another camera module photosurface to be regulated and calibration maps of plane where group photosurface and calibration maps
Angle, obtain the first camera module photosurface and camera module photosurface to be regulated angle, according to the angle of the two adjusting
Camera module to be regulated keeps the two photosurface parallel.Since the photosurface of camera module is vertical with its optical axis, two camera shootings
The photosurface of mould group is parallel, then optical axis is respective parallel.
With optical axis between the existing adjusting camera module based on camera module shape compared with parallel method, the present embodiment images mould
The parallel adjusting method of group optical axis, the optical axis that can more precisely adjust each camera module are parallel.
The parallel adjusting method of the present embodiment camera module optical axis is described in further detail below.The present embodiment images mould
The parallel adjusting method of group optical axis the following steps are included:
S10: shooting same width calibration maps at least two camera modules to be regulated, obtains each camera module shooting
Calibration maps image, the calibration maps towards at least two camera modules settings, the photosurface of the camera module and its
Optical axis is vertical.
It is arranged with calibration maps towards camera module, chessboard trrellis diagram can be used in the calibration maps.
Image is shot to calibration maps with each camera module, obtains the calibration maps image of each camera module shooting.
S11: according to the calibration maps image of acquisition, calculate separately each camera module photosurface and the calibration maps institute
In the angle of plane.
In this step, the photosurface of camera module and the folder of calibration maps place plane are calculated according to the calibration maps image of shooting
Following methods can be used in angle, and calibration point is equipped in the calibration maps, can refer to Fig. 2, including step；
S110: being that xOy plane is built with plane where photosurface using any point of the camera module photosurface as origin
Vertical three-dimensional cartesian coordinate system seeks institute according to coordinate of the calibration point in the calibration maps in the three-dimensional cartesian coordinate system
Plane equation of the plane in the three-dimensional cartesian coordinate system where stating calibration maps.
In this specific step, the plane equation of plane where following methods seek calibration maps can be used, specifically include:
It is that xOy plane establishes three-dimensional straight with plane where photosurface using the center of the camera module photosurface as origin
Angular coordinate system M at least sets three calibration points in the calibration maps, and the i-th calibration point is determined in the calibration maps image of shooting
Picpointed coordinate be (xi', yi', 0), it can refer to Fig. 3.
In the calibration maps image of shooting, image corresponds to the xOy plane of coordinate system M, and picture centre corresponds to photosurface
Center, determines coordinate of the corresponding picture point of each calibration point in coordinate system M in calibration maps image, and the picture point of the i-th calibration point is sat
It is designated as (xi', yi', 0).
The first calibration point in the calibration maps is measured to be calculated to the distance H on the camera module group lens surface according to following
Formula calculates the coordinate (x for obtaining the first calibration point in coordinate system M1, y1, z1), specifically:
Wherein, (Cx, Cy, 0) indicate camera module photosurface center coordinate, S indicate the first calibration point picture point arrive
The distance on the camera module group lens surface to be measured meetsF indicates the focal length of the camera module group lens.This
Coordinate (x of the first calibration point of sample in coordinate system M1, y1, z1) known to determination.
X coordinate value and y-coordinate value of i-th calibration point in coordinate system M are calculated according to following calculating formula, specifically:
Wherein, (xi, yi, zi) indicate coordinate of i-th calibration point in coordinate system M, ziIt is unknown.
It is built according to other two arbitrary calibration point with the side of the constituted triangle of the first calibration point and the relationship at angle
Vertical equation group solves the z coordinate value of other two calibration point in coordinate system M.According to there are three calibration points to constitute triangle
The side of shape and the trigonometric function relationship at angle are established equation group using coordinate of each calibration point in coordinate system M, are asked by equation group
Solve z coordinate value of other two calibration point in coordinate system M.More calibration points in calibration maps can be solved by the method
Coordinate.
Illustratively, can refer to Fig. 3, the first calibration point is set in calibration maps and other two calibration point be followed successively by A point,
B point and C point, 3 form right angle triangles, the first calibration point A point are right angle electrical.A point coordinate (x1, y1, z1), B point coordinate
(x2, y2, z2), C point coordinate (x3, y3, z3)。
According toAndEstablish equation group:
By above-mentioned solving equations B point, the z-axis coordinate value of C point, the coordinate of B point, C point is obtained to solve.
Then, according to first calibration point and at least coordinate of other two calibration point in coordinate system M, institute is sought
Plane equation of the plane in coordinate system M where stating calibration maps.
Plane equation of the plane in coordinate system M where calibration maps can be acquired according to three calibration points in principle.But it is
Reduction error can solve and obtain multiple calibration points in calibration maps, obtain the calibration maps institute using least square method fitting
In plane equation of the plane in coordinate system M, specifically:
Coordinate (x of each calibration point in coordinate system M in the calibration mapsi, yi, zi), if plane where the calibration maps
Plane equation is z=a*x+b*y+c；It enables
It is minimum with S value, it solves and obtains a, b, c, to solve calibration maps institute
In the plane equation of plane.
S111: the folder of plane and the camera module photosurface where calculating the calibration maps according to the plane equation
Angle.
Plane where the calibration maps is acquired after the plane equation in coordinate system M in upper step, is obtained in solution flat
Arbitrarily take in the equation of face at 3 points, xOy plane (the camera module sense i.e. to be measured of plane and coordinate system M where calibration maps can be acquired
Smooth surface) angle.
Illustratively, 3 points of (x can arbitrarily be taken in solving obtained plane equation01, y01, z01)、(x02, y02, z02)
(x03, y03, z03), the angle anglex of plane and y-axis where calculating calibration maps according to following calculating formula and with the angle of x-axis
Angley:
In next step S12: the first camera module is fixed, according to the correspondence angle of first camera module, and
The correspondence angle of another camera module obtains the photosurface and first camera module of another camera module
The angle of photosurface adjusts another described camera module according to the angle of the two photosurface, flat to reach the two photosurface
Row, can specifically be adjusted by the following method:
It can be according to the angle and the mark of plane and the first camera module photosurface y-axis where the calibration maps
The angle of plane and another camera module photosurface y-axis, obtains the first camera module photosurface y where fixed figure
The angle of axis and another camera module photosurface y-axis, according to the angle of the two photosurface y-axis, adjusting is described in addition
One camera module, it is parallel with the y-axis for reaching the two photosurface.
It can be according to the angle and the calibration of plane and the first camera module photosurface x-axis where the calibration maps
The angle of plane and another camera module photosurface x-axis where figure, obtains the first camera module photosurface x-axis
Described other one is adjusted according to the angle of the two photosurface x-axis with the angle of another camera module photosurface x-axis
A camera module, it is parallel with the x-axis for reaching the two photosurface.
The parallel adjusting method of the present embodiment camera module optical axis, the optical axis that can be applied to adjust more camera modules is parallel, can
Double camera modules are applied particularly to, the optical axis that can adjust each camera module more accurately is parallel, reaches more camera modules
Good imaging effect.
Correspondingly, referring to FIG. 4, the embodiment of the present invention also provides a kind of camera module optical axis parallel regulating system, comprising:
Control module 20 is shot, same width calibration maps is shot for controlling at least two camera modules to be regulated, obtains
The calibration maps image of each camera module shooting is obtained, the calibration maps are described towards at least two camera modules settings
The photosurface of camera module is vertical with its optical axis；
Computing module 21, for the calibration maps image according to acquisition, calculate separately the photosurface of each camera module with
The angle of plane where the calibration maps；
Adjustment module 22, for fixing the first camera module, according to the correspondence angle of first camera module, Yi Jiling
The correspondence angle of an outer camera module, the photosurface of acquisition another camera module and the first camera module sense
The angle of smooth surface adjusts another described camera module according to the angle of the two photosurface, parallel to reach the two photosurface.
The parallel regulating system of the present embodiment camera module optical axis is arranged, with to be regulated towards camera module with calibration maps
At least two camera modules shoot same width calibration maps, obtain the calibration maps image of each camera module shooting；According to each camera shooting mould
The calibration maps image of group calculates separately the photosurface of each camera module and the angle of calibration maps place plane；Fix the first camera shooting
Mould group obtains to be regulated another according to the correspondence angle of the first camera module and the correspondence angle of another camera module
The photosurface of an outer camera module and the angle of the first camera module photosurface, according to the adjusting of the angle of the two photosurface
Another camera module, it is parallel to reach the two photosurface.Since the photosurface of camera module is vertical with its optical axis, two
The photosurface of a camera module is parallel, then optical axis is respective parallel.
With optical axis between the existing adjusting camera module based on camera module shape compared with parallel method, camera module of the present invention
The parallel regulating system of optical axis, the optical axis that can more precisely adjust each camera module are parallel.
A kind of parallel adjusting method of camera module optical axis provided by the present invention and system are described in detail above.
Used herein a specific example illustrates the principle and implementation of the invention, and the explanation of above embodiments is only used
In facilitating the understanding of the method and its core concept of the invention.It should be pointed out that for those skilled in the art,
Without departing from the principle of the present invention, can be with several improvements and modifications are made to the present invention, these improvement and modification
It falls into the protection scope of the claims in the present invention.
Claims (7)
1. a kind of parallel adjusting method of camera module optical axis characterized by comprising
Same width calibration maps are shot at least two camera modules to be regulated, obtain the calibration maps of each camera module shooting
Image, for the calibration maps towards at least two camera module settings, the photosurface of the camera module is vertical with its optical axis；
According to the calibration maps image of acquisition, the photosurface for calculating separately each camera module and plane where the calibration maps
Angle；
The first camera module is fixed, according to the correspondence angle of first camera module and pair of another camera module
Angle is answered, the photosurface of another camera module and the angle of the first camera module photosurface are obtained, according to two
The angle of person's photosurface adjusts another described camera module, parallel to reach the two photosurface；
Calibration point is equipped in the calibration maps；According to the calibration maps image of acquisition, calculate the photosurface of the camera module with
The angle of plane includes: where the calibration maps
It is that xOy plane establishes three-dimensional straight with plane where photosurface using any point of the camera module photosurface as origin
Angular coordinate system seeks the calibration maps according to coordinate of the calibration point in the calibration maps in the three-dimensional cartesian coordinate system
Plane equation of the place plane in the three-dimensional cartesian coordinate system；
The angle of plane and the camera module photosurface where calculating the calibration maps according to the plane equation.
2. the parallel adjusting method of camera module optical axis according to claim 1, which is characterized in that described with the camera shooting mould
Any point of group photosurface is origin, is that xOy plane establishes three-dimensional cartesian coordinate system with plane where photosurface, according to described
Coordinate of the calibration point in the three-dimensional cartesian coordinate system in calibration maps, plane is in the three-dimensional where seeking the calibration maps
Plane equation in rectangular coordinate system includes:
It is that xOy plane establishes three-dimensional right angle seat with plane where photosurface using the center of the camera module photosurface as origin
Mark system M at least sets three calibration points in the calibration maps, and the picture of the i-th calibration point is determined in the calibration maps image of shooting
Point coordinate is (xi', yi', 0)；
Measure the first calibration point in the calibration maps to the camera module group lens surface distance H, according to following calculating formula meter
Calculate the coordinate (x for obtaining the first calibration point in coordinate system M1, y1, z1), specifically:
Wherein, (Cx, Cy, 0) indicate camera module photosurface center coordinate, S indicate the first calibration point picture point arrive described in
The distance on camera module group lens surface meetsF indicates the focal length of the camera module group lens；
X coordinate value and y-coordinate value of i-th calibration point in coordinate system M are calculated according to following calculating formula, specifically:
Wherein, (xi, yi, zi) indicate coordinate of i-th calibration point in coordinate system M, ziIt is unknown；
According to other two arbitrary calibration point and the side of the constituted triangle of the first calibration point and the relationship foundation side at angle
Journey group solves the z coordinate value of other two calibration point in coordinate system M；
According to first calibration point and at least coordinate of other two calibration point in coordinate system M, the calibration maps are sought
Plane equation of the place plane in coordinate system M.
3. the parallel adjusting method of camera module optical axis according to claim 2, which is characterized in that first calibration point and
Other two described calibration point is followed successively by A point, B point and C point, and 3 form right angle triangles, the first calibration point A point is straight
Angle point；
According toAndEquation group is established, the z coordinate value of B point, C point is solved.
4. the parallel adjusting method of camera module optical axis according to claim 2, which is characterized in that according to first calibration
Point and at least coordinate of other two calibration point in coordinate system M obtain the calibration maps institute using least square method fitting
In plane equation of the plane in coordinate system M, specifically:
Coordinate (x of each calibration point in coordinate system M in the calibration mapsi, yi, zi), if the plane of plane where the calibration maps
Equation is z=a*x+b*y+c；
It enablesIt is minimum with S value, it solves and obtains a, b, c.
5. the parallel adjusting method of camera module optical axis according to claim 1-4, which is characterized in that the basis
Plane and the angle of the camera module photosurface include: where the plane equation calculates the calibration maps
The plane equation of plane where solving the obtained calibration maps is z=a*x+b*y+c, any in the plane equation
Take 3 points of (x01, y01, z01)、(x02, y02, z02) and (x03, y03, z03), according to following calculating formula calculate calibration maps where plane with
The angle anglex of y-axis and angle angley with x-axis:
6. the parallel adjusting method of camera module optical axis according to claim 5, which is characterized in that described according to described first
The correspondence angle of camera module and the correspondence angle of another camera module obtain another camera module
The angle of photosurface and the first camera module photosurface adjusts another described camera shooting according to the angle of the two photosurface
Mould group includes: in parallel both to reach photosurface
According to where the angle and the calibration maps of plane and the first camera module photosurface y-axis where the calibration maps
The angle of plane and another camera module photosurface y-axis, obtain the first camera module photosurface y-axis with it is described
The angle of another camera module photosurface y-axis adjusts another described camera shooting according to the angle of the two photosurface y-axis
Mould group, it is parallel with the y-axis for reaching the two photosurface；
According to where the angle and the calibration maps of plane and the first camera module photosurface x-axis where the calibration maps
The angle of plane and another camera module photosurface x-axis, obtain the first camera module photosurface x-axis with it is described
The angle of another camera module photosurface x-axis adjusts another described camera shooting according to the angle of the two photosurface x-axis
Mould group, it is parallel with the x-axis for reaching the two photosurface.
7. a kind of parallel regulating system of camera module optical axis characterized by comprising
Control module is shot, same width calibration maps is shot for controlling at least two camera modules to be regulated, obtains each institute
The calibration maps image of camera module shooting is stated, the calibration maps are arranged towards at least two camera modules, the camera shooting mould
The photosurface of group is vertical with its optical axis；
Computing module calculates separately the photosurface and the mark of each camera module for the calibration maps image according to acquisition
The angle of plane where fixed figure；
Adjustment module, for fixing the first camera module, according to the correspondence angle of first camera module and another
The correspondence angle of camera module obtains the photosurface and the first camera module photosurface of another camera module
Angle adjusts another described camera module according to the angle of the two photosurface, parallel to reach the two photosurface；
Calibration point is equipped in the calibration maps；According to the calibration maps image of acquisition, calculate the photosurface of the camera module with
The angle of plane includes: where the calibration maps
It is that xOy plane establishes three-dimensional straight with plane where photosurface using any point of the camera module photosurface as origin
Angular coordinate system seeks the calibration maps according to coordinate of the calibration point in the calibration maps in the three-dimensional cartesian coordinate system
Plane equation of the place plane in the three-dimensional cartesian coordinate system；
The angle of plane and the camera module photosurface where calculating the calibration maps according to the plane equation.
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| CN108848288A (en) * | 2018-06-13 | 2018-11-20 | 信利光电股份有限公司 | A kind of method and dual camera mould group adjusting dual camera optical axis on terminal display screen |
| CN108683831A (en) * | 2018-06-13 | 2018-10-19 | 信利光电股份有限公司 | A kind of method and dual camera module raising section dual camera optical axis in terminal cover board |
| CN108801226B (en) * | 2018-08-30 | 2021-03-02 | 歌尔光学科技有限公司 | Plane inclination testing method and equipment |
| CN109470450B (en) * | 2018-10-16 | 2020-07-31 | 浙江舜宇光学有限公司 | Method and device for evaluating parallelism of optical axes of double-camera lens group and computer medium |
| CN109462752B (en) * | 2018-11-19 | 2024-06-25 | 信利光电股份有限公司 | Method and device for measuring optical center position of camera module |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104730802A (en) * | 2015-03-27 | 2015-06-24 | 酷派软件技术（深圳）有限公司 | Optical axis included angle calibrating and focusing method and system and double-camera equipment |
| JP2016020980A (en) * | 2014-07-15 | 2016-02-04 | キヤノン株式会社 | Stereoscopic photographing system |
| CN105611138A (en) * | 2016-03-21 | 2016-05-25 | 信利光电股份有限公司 | Double-camera module, assembling method thereof, and electronic device |
| CN106060399A (en) * | 2016-07-01 | 2016-10-26 | 信利光电股份有限公司 | Automatic AA method and device for double cameras |
| CN106570906A (en) * | 2016-11-09 | 2017-04-19 | 东南大学 | Rectangular pattern-based method for detecting distances under camera angle deflection condition |
-
2016
- 2016-12-21 CN CN201611192655.9A patent/CN106773514B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016020980A (en) * | 2014-07-15 | 2016-02-04 | キヤノン株式会社 | Stereoscopic photographing system |
| CN104730802A (en) * | 2015-03-27 | 2015-06-24 | 酷派软件技术（深圳）有限公司 | Optical axis included angle calibrating and focusing method and system and double-camera equipment |
| CN105611138A (en) * | 2016-03-21 | 2016-05-25 | 信利光电股份有限公司 | Double-camera module, assembling method thereof, and electronic device |
| CN106060399A (en) * | 2016-07-01 | 2016-10-26 | 信利光电股份有限公司 | Automatic AA method and device for double cameras |
| CN106570906A (en) * | 2016-11-09 | 2017-04-19 | 东南大学 | Rectangular pattern-based method for detecting distances under camera angle deflection condition |
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