CN104618654B - It is a kind of based on the mobile electronic device sequential focusing method and system for rocking detection - Google Patents
It is a kind of based on the mobile electronic device sequential focusing method and system for rocking detection Download PDFInfo
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- CN104618654B CN104618654B CN201510075807.6A CN201510075807A CN104618654B CN 104618654 B CN104618654 B CN 104618654B CN 201510075807 A CN201510075807 A CN 201510075807A CN 104618654 B CN104618654 B CN 104618654B
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Abstract
The invention discloses a kind of based on the mobile electronic device sequential focusing method and system for rocking detection, it is intended to light for mobile electronic device weight, the problem of easily being shaken during focusing and cause to focus on failure proposes a kind of based on rocking detection focus method.Technical key point includes：Detect the shaking degree of mobile electronic device, if shaking degree rocks threshold value more than or equal to first, then judge that mobile electronic device occurs commonly to rock, and triggering one-level is focused on when detecting shaking degree less than static threshold, if shaking degree rocks threshold value more than or equal to second, then judge that mobile electronic device occurs acutely to rock, and secondary focusing is triggered when detecting shaking degree less than static threshold；Described first, which rocks threshold value, rocks threshold value less than second, and static threshold rocks threshold value less than first.
Description
Technical field
The present invention relates to the focusing technology field of taking pictures of mobile electronic device.
Background technology
The portability of the mobile electronic devices such as mobile phone, flat board is very high, can almost be taken pictures under any scene, but by
In mobile electronic device, especially mobile phone, weight very little, therefore be easy to when taking pictures to focus on failure and cause interface of finding a view
It is fuzzy.It is current on the market, the focus method of mobile electronic device nothing more than Manual focusing, it is automatic focus on, touch screen is focused on etc..
Wherein Manual focusing refer to user can input focus parameter, mobile electronic device is focused according to the numerical value.From
Dynamic focusing refers to that mobile electronic device is calculated in shooting picture automatically and most clearly put as focus.Touch screen, which is focused on, refers to movement
The point that electronic equipment is touched according to user on screen is focused for focus.These focus methods are all existing main flow movement electricity
The focusing function that sub- equipment has.
But these focus methods are all self-existent, are not in contact with each other, the focusing booster action that plays nor
It is often limited.When touch screen is focused on, user is clicked on after screen, if hand wobble if the focus that focuses on of touch screen often taken by automatic focusing
Disappear so that user in use otherwise stop place screen amendment focus, or must be meticulous using process, and in hand
In dynamic focusing, automatic focus on is to be closed, and so causes automatic focus on to play a role completely again.
The content of the invention
It is light for mobile electronic device weight, the problem of easily being shaken during focusing and cause to focus on failure, this hair
Whether the bright one kind that proposes is shaken based on detection focus method is rocked using accelerometer detection mobile electronic device, and
Corresponding focus on is triggered in the case of rational.
In the present invention based on the mobile electronic device sequential focusing method for rocking detection, specifically include：
The shaking degree of mobile electronic device is detected, if shaking degree rocks threshold value more than or equal to first, judges to move
Dynamic electronic equipment occurs commonly to rock, if while currently focus on, cancelling the focus movement, and rock detecting
Triggering one-level is focused on when degree is less than static threshold, if shaking degree rocks threshold value more than or equal to second, judges mobile electricity
Sub- equipment occurs acutely to rock, and triggers secondary focusing when detecting shaking degree less than static threshold；Described first rocks
Threshold value rocks threshold value less than second, and static threshold rocks threshold value less than first.
Further, it is automatic focusing that the one-level, which is focused on secondary focusing,.
Further, when the screen for detecting mobile electronic device is accessible, triggering touch screen focuses on and preserves touch screen focusing
Obtained focus；The shaking degree of mobile electronic device is detected simultaneously, if shaking degree rocks threshold value more than or equal to first,
Judge that mobile electronic device occurs commonly to rock, if while currently focus on, cancel current focus movement, and
Triggering one-level is focused on when detecting shaking degree less than static threshold, if shaking degree rocks threshold value more than or equal to second,
Judge that mobile electronic device occurs acutely to rock, and secondary focusing is triggered when detecting shaking degree less than static threshold.
The one-level is focused to focus on obtained focus using the touch screen re-starts focusing as one-level focused spot；It is described
Secondary focusing is to empty the touch screen to focus on obtained focus, and focusing obtains new focus automatically.
Further, the shaking degree of mobile electronic device is detected in Manual focusing, if shaking degree is more than or equal to the
One rocks threshold value, then judge that mobile electronic device occurs commonly to rock, if while currently focus on, cancellation is currently
Focus movement, and triggering one-level is focused on when detecting shaking degree less than static threshold, if shaking degree is more than or equal to the
Two rock threshold value, then judge that mobile electronic device occurs acutely to rock, and touch when detecting shaking degree less than static threshold
Send out secondary focusing.
The focus that the one-level is focused to obtain using Manual focusing carries out spot light-metering as one-level focused spot；Described two grades are gathered
Jiao obtains new focus to empty the focus that the Manual focusing is obtained, and focusing on automatically.
Further, shaking degree is detected using the accelerometer of mobile electronic device；The rolling traverse detected when accelerometer
When degree rocks threshold value more than first, the detection frequency of accelerometer is raised；When the shaking degree of accelerometer detection is less than static
During threshold value, by the detection frequency recovery of accelerometer.
The present invention provide based on the mobile electronic device sequential focusing system for rocking detection, including：
Shaking degree detection module, the shaking degree for detecting mobile electronic device；
Shaking degree comparison module, for the shaking degree and static threshold, first to be rocked into threshold value, second threshold is rocked
Value is compared, if the shaking degree first rocks threshold value more than or equal to first, judges that mobile electronic device occurs general
It is logical to rock, if while currently focus on, cancel current focus movement, and detecting shaking degree be less than it is static
One-level focus module is triggered during threshold value；If shaking degree rocks threshold value more than or equal to second, judge that mobile electronic device is sent out
It is raw acutely to rock and trigger secondary focusing module when detecting shaking degree less than static threshold.
One-level focus module；And secondary focusing module.
Further, the one-level focus module is used to realize automatic focusing with secondary focusing module.
Further, in addition to touch screen focus module, for when the screen for detecting mobile electronic device is accessible, carrying out
Touch screen, which focuses on and preserves touch screen, focuses on obtained focus；The shaking degree detection module is additionally operable to examine while touch screen is focused on
Survey the shaking degree of mobile electronic device；The focus that the one-level focus module is used to obtain using touch screen focusing is poly- as one-level
Focus re-starts focusing；The secondary focusing module is used to empty the focus that the touch screen focusing is obtained, and focuses on automatically
Obtain new focus.
Further, the shaking degree detection module is additionally operable to detect the rolling traverse of mobile electronic device in Manual focusing
Degree；The focus that the one-level focus module is used to obtain using Manual focusing carries out spot light-metering as one-level focused spot；Described two grades
Focus module is used to empty the focus that the Manual focusing is obtained, and focusing obtains new focus automatically.
Further, in addition to accelerometer detection frequency adjustment module；The shaking degree detection module is used for using shifting
The accelerometer detection shaking degree of dynamic electronic equipment；The accelerometer detection frequency adjustment module is used for when accelerometer inspection
When the shaking degree of survey rocks threshold value more than first, the detection frequency of accelerometer is raised；The rolling traverse detected when accelerometer
When degree is less than static threshold, by the detection frequency recovery of accelerometer.
As a result of the above method, beneficial effects of the present invention are：
1. the present invention realizes shaking degree detection and starts corresponding focus on according to the shaking degree of mobile electronic device
Program, it is ensured that shooting picture is all clear available at any time so that user's operation is simpler, and Consumer's Experience is greatly promoted.
2. the present invention focuses on automatic focusing, Manual focusing, touch screen and the testing result of rocking of accelerometer carries out system
Change and integrate, given full play to the advantage of the various types of focusing.Particularly touch screen focus on and Manual focusing state under, allow accelerometer
Booster action it is more effective.Rationally rocked with mobile electronic device under the different focusing modes, be focused or
Light-metering, really meets photographed scene and user is expected at heart.At the same time, add and acutely rock detection, under this condition,
Usually user intends to cancel or switching photographed scene, it is necessary to focus again, therefore adds this detection user is made
It is substantially improved with convenience, it is ensured that picture is all clear available at any time.
3. during acceleration works, dynamic regulation detection frequency so that power consumption declines to a great extent.
Brief description of the drawings
Examples of the present invention will be described by way of reference to the accompanying drawings, wherein：
Fig. 1 is the flow chart of one specific embodiment of the inventive method.
Fig. 2 in the present invention in work pool focusing task workflow diagram.
Embodiment
All features disclosed in this specification, or disclosed all methods or during the step of, except mutually exclusive
Feature and/or step beyond, can combine in any way.
Any feature disclosed in this specification, unless specifically stated otherwise, can be equivalent by other or with similar purpose
Alternative features are replaced.I.e., unless specifically stated otherwise, each feature is an example in a series of equivalent or similar characteristics
.
Such as Fig. 1, basic thought of the invention is after the imaging program startup of mobile electronic device or camera focus function
After opening, the shaking degree of mobile electronic device is detected, if shaking degree rocks threshold value more than or equal to first, if while current
Focus on, then cancel current focus movement, then judge that mobile electronic device occurs commonly to rock, and detecting rolling
Triggering one-level is focused on when traverse degree is less than static threshold, if shaking degree rocks threshold value more than or equal to second, judges movement
Electronic equipment occurs acutely to rock, and triggers secondary focusing when detecting shaking degree less than static threshold；Described first shakes
Dynamic threshold value rocks threshold value less than second, and static threshold rocks threshold value less than first.
In first specific embodiment of the invention, it is automatic focusing that the one-level, which is focused on secondary focusing,.
Focused in view of most mobile electronic device also touch screen, the function of Manual focusing, another implementation of the invention
Example is integrated this several type of focusing, assigns the above-mentioned type of focusing different priority.Wherein, the priority of secondary focusing
The priority that the priority ＞ one-levels that the priority ＞ touch screens of ＞ Manual focusings are focused on are focused on.
Such as Fig. 2, work pool is set up, it is therefore intended that the same time only allows a kind of focusing task（It is secondary focusing, poly- manually
Burnt, touch screen is focused on or one-level is focused on）Perform.When a focusing task enters pond, it is immediately performed if sky is in work at present pond.
If the priority for being currently operating the focusing task of pond execution is less than or equal to the focusing task into pond, cancel current
The focusing task being carrying out, and be immediately performed the focusing task into pond, such as when adopting consecutive click chemical reaction screen, trigger touch screen
Focus on, touch screen focusing task is now entered into pond, if the touch screen focusing task of existing last time is carrying out in work pool, take
The touch screen being currently executing that disappears is focused on, and starts to perform the touch screen focusing task into pond.If being currently operating pond execution
The priority of focusing task is higher than the focusing task into pond, then cancels focusing task that this enters pond and return.
If commonly being rocked in addition, detecting and there occurs, judge whether there is some focusing task to hold in work pool
OK, if so, then cancelling the focusing task being currently executing.
The work characteristics of priority and work pool based on the type of focusing, the second embodiment of the present invention, the 3rd, which implement, is
It is such：
Second embodiment
When the screen for detecting mobile electronic device is accessible, triggering touch screen, which focuses on and preserves touch screen, focuses on obtained Jiao
Point.The shaking degree of mobile electronic device is detected simultaneously, if shaking degree rocks threshold value more than or equal to first, if while current
Focus on, then cancel current focus movement, then judge that mobile electronic device occurs commonly to rock, and detecting rolling
Triggering one-level is focused on when traverse degree is less than static threshold, if shaking degree rocks threshold value more than or equal to second, judges movement
Electronic equipment occurs acutely to rock, and triggers secondary focusing when detecting shaking degree less than static threshold.
In the present embodiment, the one-level is focused to as one-level focused spot again enter using the focus that touch screen focusing is obtained
Line focusing；The secondary focusing is to empty the touch screen to focus on obtained focus, and focusing obtains new focus automatically.
3rd embodiment
While user is focused by the Manual focusing function of mobile electronic device, the rolling of mobile electronic device is detected
Traverse degree, if shaking degree rocks threshold value more than or equal to first, judges that mobile electronic device occurs commonly to rock, if while
Currently focus on, then cancel current focus movement, and one is triggered when detecting shaking degree less than static threshold
Level is focused on, if shaking degree rocks threshold value more than or equal to second, judges that mobile electronic device occurs acutely to rock, and in inspection
Secondary focusing is triggered when measuring shaking degree less than static threshold.
In the present embodiment, the focus that the one-level is focused to obtain using Manual focusing carries out point survey as one-level focused spot
Light；The secondary focusing is to empty the focus that the Manual focusing is obtained, and focusing obtains new focus automatically.The spot light-metering
It is the generic term in camera work field, refers to and certain point is analyzed, measures the reflectivity that the point takes the photograph object, root
The brightness that the light exposure for adjusting camera lens according to reflectivity makes the point take the photograph object is normal.
In each above-mentioned embodiment, the accelerometer detection carried using mobile electronic device is rocked, mobile electronic device
There is provided the calling interface of accelerometer, the open and close of accelerometer can be controlled, the detection frequency of accelerometer is set
And read detected value of the accelerometer on x, y, z axle.
After camera lens is opened, accelerometer is opened, accelerometer is with certain frequency（Give tacit consent to 200ms once）To x, y, z three
Detected in individual direction.If shaking degree rocks threshold value more than or equal to first, then it is assumed that commonly rock beginning.The specific practice
It is that the value of currency and last time are subtracted each other in detection every time, when the currency and the difference of upper sub-value in some direction（Referred to hereinafter as
For：Direction difference）Absolute value be more than first shake moment threshold value, or some direction direction difference and the side of the last time direction
Then think to detect when rocking with threshold value more than first to the absolute value of the sum of difference and commonly rock beginning, accelerometer state is more
It is changed into ShakeStarting, and detection frequency is drawn high into (example：100ms is once).
Beginning commonly is rocked, is currently focused on if being detected simultaneously by, cancels current focus movement.
If when detecting the currency in some direction and the poor absolute value of upper sub-value and rocking threshold value more than second, then it is assumed that
Detect and acutely rock beginning.
If detect the shaking degree on each direction less than static threshold, then it is assumed that rock end.Specifically, when every
Individual direction currency and the difference of upper sub-value（Hereinafter referred to as：Direction difference）Absolute value when being respectively less than static poor threshold value, and often
When the absolute value of the sum of the direction difference in individual direction and the direction difference of the last time direction is respectively less than static and threshold value, then it is assumed that shake
Traverse degree is less than static threshold.End is now rocked, accelerometer state is changed to Ready, detection frequency returns to default value.
It is preferred that, the first scope for shaking moment threshold value is 0.078 ~ 0.082, first rock with the scope of threshold value for 0.080 ~
0.12, the second scope for rocking threshold value is 0.75 ~ 0.85, and the scope of static and threshold value is 0.038 ~ 0.042, static poor threshold value
Scope is 0.018 ~ 0.022.
The invention is not limited in foregoing embodiment.The present invention, which is expanded to, any in this manual to be disclosed
New feature or any new combination, and disclose any new method or process the step of or any new combination.
Claims (10)
1. it is a kind of based on the mobile electronic device sequential focusing method for rocking detection, it is characterised in that including：
The shaking degree of mobile electronic device is detected, if shaking degree rocks threshold value more than or equal to first, mobile electricity is judged
Sub- equipment occurs commonly to rock, if while currently focus on, cancelling current focus movement, and rock detecting
Triggering one-level is focused on when degree is less than static threshold, if shaking degree rocks threshold value more than or equal to second, judges mobile electricity
Sub- equipment occurs acutely to rock, and triggers secondary focusing when detecting shaking degree less than static threshold；Described first rocks
Threshold value rocks threshold value less than second, and static threshold rocks threshold value less than first.
2. according to claim 1 a kind of based on the mobile electronic device sequential focusing method for rocking detection, its feature exists
In it is automatic focusing that the one-level, which is focused on secondary focusing,.
3. according to claim 1 a kind of based on the mobile electronic device sequential focusing method for rocking detection, its feature exists
In when the screen for detecting mobile electronic device is accessible, triggering touch screen, which focuses on and preserves touch screen, focuses on obtained focus；Together
When detect mobile electronic device shaking degree, if shaking degree rocks threshold value more than or equal to first, judge mobile electron
Equipment occurs commonly to rock, if while currently focus on, cancelling current focus movement, and detecting rolling traverse
Triggering one-level is focused on when degree is less than static threshold, if shaking degree rocks threshold value more than or equal to second, judges mobile electron
Equipment occurs acutely to rock, and triggers secondary focusing when detecting shaking degree less than static threshold；
The one-level is focused to focus on obtained focus using the touch screen re-starts focusing as one-level focused spot；Described two grades
It is focused to empty the focus that the touch screen focusing is obtained, and focusing obtains new focus automatically.
4. according to claim 1 a kind of based on the mobile electronic device sequential focusing method for rocking detection, its feature exists
In, the shaking degree of mobile electronic device is detected in Manual focusing, if shaking degree rocks threshold value more than or equal to first,
Judge that mobile electronic device occurs commonly to rock, if while currently focus on, cancel current focus movement, and
Triggering one-level is focused on when detecting shaking degree less than static threshold, if shaking degree rocks threshold value more than or equal to second,
Judge that mobile electronic device occurs acutely to rock, and secondary focusing is triggered when detecting shaking degree less than static threshold；
The focus that the one-level is focused to obtain using Manual focusing carries out spot light-metering as one-level focused spot；The secondary focusing is
The focus that the Manual focusing is obtained is emptied, and focusing obtains new focus automatically.
5. it is a kind of based on the mobile electronic device sequential focusing side for rocking detection according to any one in claim 1 ~ 4
Method, it is characterised in that use the accelerometer detection shaking degree of mobile electronic device；The shaking degree detected when accelerometer
When rocking threshold value more than first, the detection frequency of accelerometer is raised；When the shaking degree that accelerometer is detected is less than static threshold
During value, by the detection frequency recovery of accelerometer.
6. it is a kind of based on the mobile electronic device sequential focusing system for rocking detection, it is characterised in that including：
Shaking degree detection module, the shaking degree for detecting mobile electronic device；
Shaking degree comparison module, for the shaking degree and static threshold, first to be rocked into threshold value, second threshold value is rocked and enters
Row compares, if the shaking degree rocks threshold value more than or equal to first, judges that mobile electronic device occurs commonly to rock, together
If when currently focus on, cancel current focus movement, and touch when detecting shaking degree less than static threshold
Send out one-level focus module；If shaking degree rocks threshold value more than or equal to second, judge that mobile electronic device occurs acutely to shake
Shake and trigger secondary focusing module when detecting shaking degree less than static threshold；
One-level focus module；
And secondary focusing module.
7. according to claim 6 a kind of based on the mobile electronic device sequential focusing system for rocking detection, its feature exists
In the one-level focus module is used to realize automatic focusing with secondary focusing module.
8. according to claim 6 a kind of based on the mobile electronic device sequential focusing system for rocking detection, its feature exists
In, in addition to touch screen focus module, for when the screen for detecting mobile electronic device is accessible, carrying out touch screen focusing and protecting
Deposit touch screen and focus on obtained focus；
The shaking degree detection module is additionally operable to detect the shaking degree of mobile electronic device while touch screen is focused on；
The one-level focus module re-starts focusing for focusing on obtained focus using the touch screen as one-level focused spot；
The secondary focusing module is used to empty the focus that the touch screen focusing is obtained, and focusing obtains new focus automatically.
9. according to claim 6 a kind of based on the mobile electronic device sequential focusing system for rocking detection, its feature exists
In the shaking degree detection module is additionally operable to detect the shaking degree of mobile electronic device in Manual focusing；
The focus that the one-level focus module is used to obtain using Manual focusing carries out spot light-metering as one-level focused spot；
The secondary focusing module is used to empty the focus that the Manual focusing is obtained, and focusing obtains new focus automatically.
10. it is a kind of based on the mobile electronic device sequential focusing for rocking detection according to any one in claim 6 ~ 9
System, it is characterised in that also detect frequency adjustment module including accelerometer；
The shaking degree detection module is used for the accelerometer detection shaking degree using mobile electronic device；
The accelerometer detection frequency adjustment module is used for when the shaking degree that accelerometer is detected rocks threshold value more than first
When, raise the detection frequency of accelerometer；When the shaking degree that accelerometer is detected is less than static threshold, by accelerometer
Detect frequency recovery.
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| CN105824569A (en) * | 2016-03-31 | 2016-08-03 | 小天才科技有限公司 | Method and device for adjusting photographing focus and wearable equipment |
| CN107124557A (en) | 2017-05-31 | 2017-09-01 | 广东欧珀移动通信有限公司 | Focusing method, device, computer-readable recording medium and terminal |
| CN107197152B (en) * | 2017-06-16 | 2020-01-14 | Oppo广东移动通信有限公司 | Focusing method, focusing device, computer readable storage medium and mobile terminal |
| WO2020019295A1 (en) * | 2018-07-27 | 2020-01-30 | 深圳市大疆创新科技有限公司 | Image acquisition method, imaging apparatus, and photographing system |
| CN108769539B (en) * | 2018-08-21 | 2020-12-18 | Oppo广东移动通信有限公司 | Focusing method, terminal and computer readable storage medium |
| CN111654618A (en) * | 2020-04-30 | 2020-09-11 | 昆山丘钛微电子科技有限公司 | Camera focusing sensitivity control method and device |
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