CN113452917B - Front-back shared camera automatic focusing method and system - Google Patents
Front-back shared camera automatic focusing method and system Download PDFInfo
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- CN113452917B CN113452917B CN202110765948.6A CN202110765948A CN113452917B CN 113452917 B CN113452917 B CN 113452917B CN 202110765948 A CN202110765948 A CN 202110765948A CN 113452917 B CN113452917 B CN 113452917B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/67—Focus control based on electronic image sensor signals
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/026—Details of the structure or mounting of specific components
- H04M1/0264—Details of the structure or mounting of specific components for a camera module assembly
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Abstract
The invention discloses an automatic focusing method and system for a front-back shared camera, wherein the method comprises the following sub-steps: acquiring the position of a front and rear shared camera; according to the position, before the front and rear shared cameras are started, corresponding focusing current values are configured; the front and back shared camera control unit automatically focuses according to the focusing current value; the system comprises a front-back shared camera module, a driving unit, a sensing detection unit and a control unit; the sensing detection unit is used for detecting the position of the front and rear shared camera module and the relative target distance information in real time and transmitting the position and the target distance information to the control unit; the control unit is used for controlling each unit to run and configuring corresponding focusing current information to the driving unit according to the position and the target distance information. By implementing the invention, the corresponding focusing current is configured to the driving unit in advance, so that the focusing time of the camera module is saved, and the photographing experience of a user is improved.
Description
Technical Field
The invention relates to the technical field of camera focusing, in particular to an automatic focusing method and an automatic focusing system for a front-back shared camera.
Background
According to data statistics, the permeability of the comprehensive screen in the smart machine market in 2017 is 6%, the permeability in 2018 is increased to 50%, and the permeability in 2021 is increased gradually.
The comprehensive screen is popular, the color value of the mobile phone is improved, the mobile phone looks more technological, and in addition, the area of the front surface of the mobile phone body can accommodate a larger screen, so that visual experience is improved remarkably. Such as when viewing video or playing games, etc., provides a good experience for the user.
At present, the overall screen design of the smart phone has a certain disadvantage, or the front and rear shared cameras like OPPO FIND X and vivo NEX are independently separated, so that the screen space on the front side of the smart phone is greatly occupied under the environment of higher integration, and the user experience is reduced. The problem of occupying the front screen is solved by the front and back shared cameras and the shared mobile phone, for example, the front camera, the receiver and the loudspeaker of the front and back shared camera shared mobile phone are not arranged on the front side of the mobile phone, the front screen space is not occupied, the mobile phone screen can be designed to be larger under the same mobile phone size, and full screen display is truly realized. When in self-shooting, the used camera is equivalent to a rear camera, and compared with the prior art, the front camera is used for self-shooting, and shooting is clearer.
However, due to the fact that the cameras are shared in front and back, focusing is needed to be repeated every time of switching, focusing time is long, and user experience is reduced to a certain extent.
Disclosure of Invention
In the prior art, due to the fact that the cameras are shared front and back, focusing is needed to be repeated every time of switching, focusing time is long, and user experience is reduced to a certain extent.
According to the front-back common camera automatic focusing method and system, motor focusing correction is carried out before the common camera module leaves a factory, focusing current values required by focusing at different positions and distances are obtained, and when the common camera module is about to rotate to a shooting position, corresponding focusing current is configured to a driving unit in advance, so that the focusing time of the camera module is saved, and the shooting experience of a user is improved.
An automatic focusing method for a front-back shared camera comprises the following sub-steps:
acquiring the position of the front and rear shared cameras;
according to the position, before the front and rear shared cameras are started, corresponding focusing current values are configured;
and the front and back shared camera control unit automatically focuses according to the focusing current value.
In combination with the front-rear common camera auto-focusing method of the present invention, in a first possible implementation manner, the steps include: the method for acquiring the position of the front and rear shared camera comprises the following substeps:
configuring a front position of the mobile phone as a first position;
configuring the rear position of the mobile phone as a second position;
configuring a position rotated from the first position to the second position as a first state;
a position rotated from the second position to the first position is configured to be in a second state.
In combination with the first possible embodiment of the present invention, in a second possible embodiment, the steps are as follows: the method for acquiring the position of the front and rear shared camera further comprises the following substeps:
acquiring the real-time position of the front and rear shared cameras;
and determining the real-time position as a first position, a first state, a second position or a second state.
With reference to the second possible embodiment of the present invention, in a third possible embodiment, the steps include: the method for acquiring the position of the front and rear shared camera further comprises the following substeps:
acquiring a target distance corresponding to the first position or the second position;
the target distance is respectively configured to be a first distance, a second distance and a third distance;
the magnitude relation among the first distance, the second distance and the third distance is as follows: the first distance is greater than the second distance, and the second distance is greater than the third distance.
With reference to the third possible embodiment of the present invention, in a fourth possible embodiment, the steps include: according to the position, before the front and rear shared cameras are started, corresponding focusing current values are configured, and the method comprises the following substeps:
if the real-time position is the first position or the second state and the target distance is the first distance, configuring a first focusing current value to the camera module;
if the real-time position is the first position or the second state and the target distance is the second distance, configuring a second focusing current value to the camera module;
and if the real-time position is the first position or the second state and the target distance is the third distance, configuring a third focusing current value to the camera module.
With reference to the third possible embodiment of the present invention, in a fifth possible embodiment, the steps include: according to the position, before the front and rear shared cameras are started, corresponding focusing current values are configured, and the method further comprises the following substeps:
the real-time position is a second position or a first state, and the target distance is a first distance, and a first focusing current value is configured to the camera module;
if the real-time position is the second position or the first state and the target distance is the second distance, configuring a second focusing current value to the camera module;
and if the real-time position is the second position or the first state and the target distance is the third distance, configuring a third focusing current value to the camera module.
In combination with the fourth or fifth possible implementation manners of the present invention, in a sixth possible implementation manner, the magnitude relation of the first focusing current value, the second focusing current value, and the third focusing current value is: the first focusing current value is larger than the second focusing current value, and the second focusing current value is larger than the third focusing current value.
In combination with the sixth possible embodiment of the present invention, in a seventh possible embodiment, the first distance, the second distance, and the third distance are divided into 10M, 40CM, and 10CM.
An auto-focus system for a front-back common camera, comprising:
the front and back share the camera module;
a driving unit;
a sensing detection unit;
a control unit;
the driving unit is used for driving the front and rear shared camera module to rotate to a shooting position according to the instruction of the control unit;
the sensing detection unit is used for detecting the position of the front and rear shared camera module and the relative target distance information in real time and transmitting the position and the target distance information to the control unit;
the control unit is used for controlling each unit to operate, and configuring corresponding focusing current information to the driving unit according to the position and the target distance information.
In combination with the front-rear common camera auto-focusing system of the present invention, in a first possible implementation manner, the sensing detection unit includes:
a position sensor module and a distance sensor module.
By implementing the front-back common camera automatic focusing method and system, the focusing current values required by focusing at different positions and distances are obtained by carrying out motor focusing correction before the common camera module leaves a factory, and when the common camera module is about to rotate to a shooting position, the corresponding focusing current is configured to a driving unit in advance, so that the focusing time of the camera module is saved, and the shooting experience of a user is improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic diagram of a first embodiment of an auto-focusing method for a front-back common camera according to the present invention;
FIG. 2 is a schematic diagram of a second embodiment of an auto-focusing method for a front-back common camera according to the present invention;
FIG. 3 is a schematic diagram of a third embodiment of an auto-focusing method for a front-back common camera according to the present invention;
FIG. 4 is a schematic diagram of a fourth embodiment of an auto-focusing method for a front-back common camera according to the present invention;
FIG. 5 is a schematic diagram of a fifth embodiment of an auto-focusing method for a front-back common camera according to the present invention;
FIG. 6 is a schematic diagram of a sixth embodiment of an auto-focusing method for a front-back common camera according to the present invention;
FIG. 7 is a schematic diagram of a front-to-back common camera auto-focus system according to a first embodiment of the present invention;
the site names indicated by the numerals in the drawings are: 100-automatic focusing system, 110-control unit, 120-front and back shared camera module, 130-driving unit, 140-sensing detection unit, 141-position sensor module, 142-distance sensor module.
Detailed Description
The following description of the embodiments of the present invention will be made more apparent and fully hereinafter with reference to the accompanying drawings, in which some, but not all embodiments of the invention are shown. Based on the embodiments of the present invention, other embodiments that may be obtained by those of ordinary skill in the art without undue burden are within the scope of the present invention.
In the prior art, due to the fact that the cameras are shared front and back, focusing is needed to be repeated every time of switching, focusing time is long, and user experience is reduced to a certain extent.
Aiming at the problems, the front-back common camera automatic focusing method and system are provided, and the motor focusing correction is carried out before the common camera module leaves the factory, so that focusing current values required by focusing at different positions and distances are obtained, and when the common camera module is about to rotate to a shooting position, corresponding focusing current is configured to the driving unit 130 in advance, so that the focusing time of the camera module is saved, and the shooting experience of a user is improved.
Fig. 1 is a schematic diagram showing a first embodiment of a front-back common camera auto-focusing method in the present invention, including the following sub-steps:
s1, acquiring the position of the front and rear shared cameras.
Preferably, as shown in fig. 2, fig. 2 is a schematic diagram of a second embodiment of an auto-focusing method for a front-back common camera in the present invention, and step S1 includes the following sub-steps:
s11, configuring the front position of the mobile phone as a first position; s12, configuring the rear position of the mobile phone as a second position; s13, configuring a position rotated from a first position to a second position into a first state; s14, configuring a position rotated from the second position to the first position into a second state.
Preferably, as shown in fig. 3, fig. 3 is a schematic diagram of a third embodiment of an auto-focusing method for a front-back shared camera in the present invention, and step S1 further includes the sub-steps of:
s15, acquiring the real-time position of the front and rear shared cameras; s16, determining the real-time position as a first position, a first state, a second position or a second state. The current position of the front and rear shared cameras is firstly determined, and the shooting position is determined whether the rotation is stopped in the rotation process or not.
Preferably, as shown in fig. 4, fig. 4 is a schematic diagram of a fourth embodiment of an auto-focusing method for a front-back shared camera in the present invention, and step S1 further includes the sub-steps of:
s17, acquiring a target distance corresponding to the first position or the second position; s18, configuring the target distance as a first distance, a second distance and a third distance respectively; the magnitude relation among the first distance, the second distance and the third distance is as follows: the first distance is greater than the second distance, and the second distance is greater than the third distance. Preferably, the first distance, the second distance, and the third distance are divided into 10M, 40CM, and 10CM.
And after the shooting position is determined, acquiring the distance information between the front and rear shared cameras and the shooting target.
S2, according to the position, before the front and rear shared cameras are started, corresponding focusing current values are configured.
Preferably, as shown in fig. 5, fig. 5 is a schematic diagram of a fifth embodiment of an auto-focusing method for a front-back common camera in the present invention, and step S2 includes the following sub-steps: s21, if the real-time position is in a first position or a second state and the target distance is a first distance, configuring a first focusing current value to the camera module; s22, if the real-time position is the first position or the second state and the target distance is the second distance, configuring a second focusing current value to the camera module; s23, if the real-time position is the first position or the second state and the target distance is the third distance, a third focusing current value is configured to the image pickup module.
Preferably, as shown in fig. 6, fig. 6 is a schematic diagram of a sixth embodiment of an auto-focusing method for a front-back common camera in the present invention, and step S2 further includes the sub-steps of:
s24, if the real-time position is the second position or the first state and the target distance is the first distance, configuring a first focusing current value to the camera module; s25, if the real-time position is the second position or the first state and the target distance is the second distance, configuring a second focusing current value to the camera module; s26, if the real-time position is the second position or the first state and the target distance is the third distance, a third focusing current value is configured to the image pickup module.
Preferably, the first focusing current value, the second focusing current value and the third focusing current value have the following magnitude relation: the first focusing current value is larger than the second focusing current value, and the second focusing current value is larger than the third focusing current value.
S3, the front and rear shared camera control unit 110 automatically focuses according to the focusing current value.
Fig. 7, fig. 7 is a schematic diagram of a front-rear common camera auto-focusing system 100 according to a first embodiment of the present invention, including: the front and rear share the camera module 120, the driving unit 130, the sensing detection unit 140 and the control unit 110; the driving unit 130 is configured to drive the front-rear common camera module 120 to rotate to a shooting position according to an instruction of the control unit 110; the sensing detection unit 140 is configured to detect the position and the relative target distance information of the front and rear common camera module 120 in real time, and transmit the position and the target distance information to the control unit 110; the control unit 110 is used for controlling the operation of each unit, and configuring corresponding focusing current information to the driving unit 130 according to the position and the target distance information.
Further, the sensing unit 140 includes a position sensor module 141 and a distance sensor module 142.
By implementing the front-back common camera automatic focusing method and system, the focusing current values required by focusing at different positions and distances are obtained by carrying out motor focusing correction before the common camera module leaves a factory, and when the common camera module is about to rotate to a shooting position, the corresponding focusing current is configured to the driving unit 130 in advance, so that the focusing time of the camera module is saved, and the shooting experience of a user is improved.
Unless defined otherwise, technical or scientific terms used in this disclosure should be given the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The terms "first," "second," and the like, as used in this disclosure, do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. Likewise, the terms "a," "an," or "the" and similar terms do not denote a limitation of quantity, but rather denote the presence of at least one. The word "comprising" or "comprises", and the like, means that elements or items preceding the word are included in the element or item listed after the word and equivalents thereof, but does not exclude other elements or items. The terms "connected" or "connected," and the like, are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect.
The foregoing is only illustrative of the present invention and is not to be construed as limiting thereof, but rather as various modifications, equivalent arrangements, improvements, etc., within the spirit and principles of the present invention.
Claims (1)
1. The front-back shared camera automatic focusing method is characterized by comprising the following steps of:
s1, acquiring the position of a front and rear shared camera;
step S1 comprises the sub-steps of:
s11, configuring the front position of the mobile phone as a first position;
s12, configuring the rear position of the mobile phone as a second position;
s13, configuring a position rotated from a first position to a second position into a first state;
s14, configuring a position rotated from the second position to the first position into a second state;
s15, acquiring the real-time position of the front and rear shared cameras;
s16, determining the real-time position as a first position, a first state, a second position or a second state, determining whether the current position of the front and rear shared cameras is in the rotating process or stopped rotating, and determining the shooting position;
s17, acquiring a target distance corresponding to the first position or the second position, and acquiring the target distance between the front and rear shared cameras and a shooting target after determining the shooting position;
s2, configuring corresponding focusing current values before starting the front and rear shared cameras according to the positions;
step S2 comprises the sub-steps of:
s21, if the real-time position is in a first position or a second state and the target distance is a first distance, configuring a first focusing current value to the camera module;
s22, if the real-time position is the first position or the second state and the target distance is the second distance, configuring a second focusing current value to the camera module;
s23, if the real-time position is the first position or the second state and the target distance is the third distance, configuring a third focusing current value to the camera module;
s24, if the real-time position is the second position or the first state and the target distance is the first distance, configuring a first focusing current value to the camera module;
s25, if the real-time position is the second position or the first state and the target distance is the second distance, configuring a second focusing current value to the camera module;
s26, if the real-time position is the second position or the first state and the target distance is the third distance, configuring a third focusing current value to the camera module;
the magnitude relation among the first focusing current value, the second focusing current value and the third focusing current value is as follows: the first focusing current value is larger than the second focusing current value, and the second focusing current value is larger than the third focusing current value;
s3, the front and rear shared camera control unit automatically focuses according to the focusing current value;
the magnitude relation among the first distance, the second distance and the third distance is as follows: the first distance is greater than the second distance, and the second distance is greater than the third distance; the first distance, the second distance, and the third distance are divided into 10M, 40CM, and 10CM.
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| CN204859339U (en) * | 2015-08-07 | 2015-12-09 | 信利光电股份有限公司 | Leading auto focus camera and electronic equipment |
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| CN104902173B (en) * | 2015-05-19 | 2018-07-06 | 广东欧珀移动通信有限公司 | A kind of method and apparatus for shooting control |
| CN105704380A (en) * | 2016-03-03 | 2016-06-22 | 上海与德通讯技术有限公司 | Camera focusing method and electric device |
| CN105652561B (en) * | 2016-03-18 | 2018-12-14 | 联想(北京)有限公司 | A kind of focus adjustment method and device |
| CN106341584B (en) * | 2016-09-23 | 2019-06-18 | 深圳市金立通信设备有限公司 | Camera module focusing production method, camera module and terminal |
| CN111133746A (en) * | 2017-09-30 | 2020-05-08 | 深圳传音通讯有限公司 | Camera focusing method, mobile terminal and computer readable storage medium |
| CN110392200B (en) * | 2018-04-20 | 2021-01-26 | 杭州海康威视数字技术股份有限公司 | Method and apparatus for auto-focusing |
| CN110213405B (en) * | 2019-04-24 | 2023-06-09 | 深圳市泰衡诺科技有限公司 | Mobile terminal and mobile terminal control method |
| CN113589473B (en) * | 2020-01-03 | 2023-09-29 | 支付宝(杭州)信息技术有限公司 | Focusing method, device and equipment of lens module |
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| CN204859339U (en) * | 2015-08-07 | 2015-12-09 | 信利光电股份有限公司 | Leading auto focus camera and electronic equipment |
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