CN105763806B - Control method, control device and electronic installation - Google Patents
Control method, control device and electronic installation Download PDFInfo
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- CN105763806B CN105763806B CN201610116267.6A CN201610116267A CN105763806B CN 105763806 B CN105763806 B CN 105763806B CN 201610116267 A CN201610116267 A CN 201610116267A CN 105763806 B CN105763806 B CN 105763806B
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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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Abstract
The invention discloses a kind of control method, focused for controlling imaging device to switch to the second focal modes by the first focal modes.First focal modes are laser focal modes, and the second focal modes are contrast focal modes.Control method includes：Whether detection imaging device switches to the focusing of the second focal modes by the first focal modes；If so, the focusing sensitivity of imaging device is switched to the switch speeds of the second focal modes by the first focal modes to be lifted when then lifting scene switching shot.In addition, the invention also discloses a kind of control device and electronic installation.Control method, control device and the electronic installation of embodiment of the present invention are when detecting imaging device switching focal modes, the focusing sensitivity of lifting scene shot imaging device in switching, so as to lift the triggering speed of the second focal modes unlatching, and then lifted two kinds of focal modes switching speed with from general increase focus speed, improve Consumer's Experience.
Description
Technical field
The present invention relates to imaging technique, more particularly to a kind of control method, control device and electronic installation.
Background technology
Existing mobile phone carries out being limited in scope for ranging using laser focal modes, and contrast focusing mould is switched in remote burnt shoot
Handoff procedure is slower during formula so that the whole focus process time is longer, and Consumer's Experience is poor.
The content of the invention
It is contemplated that at least solving one of technical problem present in prior art.Therefore, the present invention needs offer one
Plant control method, control device and electronic installation.
The control method of embodiment of the present invention, the second focusing is switched to for controlling imaging device by the first focal modes
Pattern is focused, and first focal modes are laser focal modes, and second focal modes are contrast focal modes, the control
Method processed comprises the following steps：
Detecting step, detects whether the imaging device switches to second focal modes by first focal modes
Focusing；And
Switch step, when the imaging device switches to second focal modes by first focal modes and focused
During lifting shot scene switching the focusing sensitivity of the imaging device with lifted switched to by first focal modes it is described
The switch speed of second focal modes.
The control device of embodiment of the present invention, the second focusing is switched to for controlling imaging device by the first focal modes
Pattern is focused, and first focal modes are laser focal modes, and second focal modes are contrast focal modes, the control
Method processed comprises the following steps：
Detection module, the detection module is used to detect whether the imaging device is switched to by first focal modes
The second focal modes focusing；And
Handover module, the handover module is used to switch to described the by first focal modes in the imaging device
Lifting is shot the focusing sensitivity of imaging device when scene switches to be lifted by described first pair when two focal modes are focused
Burnt pattern switching to second focal modes switch speed.
The electronic installation of embodiment of the present invention includes imaging device and control device as described above.
Control method, control device and the electronic installation of embodiment of the present invention, are detecting imaging device switching focusing
During pattern, focusing sensitivity of the lifting scene shot in switching, so as to lift the triggering speed of the second focal modes unlatching, is entered
And lift the speed of the switching of two kinds of focal modes, from general increase focusing speed, to improve Consumer's Experience.
The advantage of the additional aspect of the present invention will be set forth in part in the description, and will partly become from the following description
Obtain substantially, or recognized by the practice of the present invention.
Brief description of the drawings
The above-mentioned and/or additional aspect and advantage of the present invention will become from description of the accompanying drawings below to embodiment is combined
Obtain substantially and be readily appreciated that, wherein：
Fig. 1 is the schematic flow sheet of the control method of embodiment of the present invention.
Fig. 2 is the high-level schematic functional block diagram of the control device of embodiment of the present invention.
Fig. 3 is the schematic flow sheet of the control method of some embodiments of the invention.
Fig. 4 is the high-level schematic functional block diagram of the control device of some embodiments of the invention.
Embodiment
Embodiments of the present invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning
Same or similar element or element with same or like function are represented to same or similar label eventually.Below by ginseng
The embodiment for examining accompanying drawing description is exemplary, is only used for explaining embodiments of the present invention, and it is not intended that to this hair
The limitation of bright embodiment.
Referring to Fig. 1, the control method of embodiment of the present invention, for controlling imaging device to be switched by the first focal modes
To the focusing of the second focal modes.Wherein, the first focal modes are laser focal modes, and the second focal modes are contrast focusing mould
Formula.
Control method comprises the following steps：
Whether S10, detection imaging device switches to the focusing of the second focal modes by the first focal modes；And
S20, the lifting scene switching shot when imaging device switches to the focusing of the second focal modes by the first focal modes
When imaging device focusing sensitivity the switch speeds of the second focal modes is switched to by the first focal modes to be lifted.
Referring to Fig. 2, the control device 100 of embodiment of the present invention includes detection module 10 and handover module 20.As
Example, the control method of embodiment of the present invention can be realized by the control device 100 of embodiment of the present invention, can be applied to electricity
Sub-device 1000, electronic installation 1000 can include control device 100 and imaging device 200.Imaging device 200 can use first
Focal modes or the second focal modes, i.e. laser focal modes and contrast formula focal modes are focused to object.
Wherein, the step S10 of the control method of embodiment of the present invention can be realized that step S20 can by detection module 10
To be realized by handover module 20.In other words, detection module 10 is used to detect whether imaging device 200 is cut by the first focal modes
Shift to the focusing of the second focal modes.And handover module 20 is used to switch to second pair by the first focal modes in imaging device 200
The focusing sensitivity of imaging device 200 is switched with being lifted by the first focal modes when lifting scene shot switches during burnt pattern focusing
To the switch speed of the second focal modes.
Specifically, laser focal modes are mainly difficult by force the characteristic of diffusion using infrared light centrality, infrared by recording
Light is emitted from laser ranging system, is reflected by target surface, the time difference finally received, by image-signal processor
To calculate target to the distance of imaging device.Object distance in the distance as focus process, further according to the focometer of eyeglass module
The concrete numerical value of the image distance of adjustment required for calculating and then adjustment focusing position, realize focusing.
And contrast focal modes then change according to the contrast of focal point picture, camera lens position during contrast maximum is found
Put.When captured picture contrast is maximum, it is most clear to be imaged, that is, realizes focusing.
The speed although laser focal modes are focused, the power consumption considerations for being generally limited by electronic installation consider and clapped
The influence of the ambient parameter of scene is taken the photograph, the coverage of laser focal modes is commonly available to focus during nearly burnt shooting, and is having
The object distance of measured object will be not accurate enough beyond effect distance, it is therefore desirable to switches to other focusing modes and is focused,
For example switch to the focusing of contrast focal modes.Compared to laser focal modes, contrast focal modes find contrast due to existing
Maximum process, therefore focusing speed is slower but preferable for vista shot focus effects.
In some instances, it is necessary to which it can be that scene shot changes to switch the scene that focal modes are focused.Example
Such as, it is vista shot to be shot scene by close shot shot change.In operation, into the camera applications of electronic installation, when initial, imaging
Device is focused using laser focal modes, when scene shot changes, such as sharp when by close shot shot change being vista shot
The object distance of object acquired in light focal modes will be no longer accurate, now need laser focal modes will switch to contrast focusing
Pattern is focused.In handoff procedure, contrast focal modes need certain triggered time to open, and prolong on the whole
Focusing time is grown.
In embodiment of the present invention, when detection module 10 detects the switching focal modes of imaging device 200, handover module
20 will be lifted at the focusing sensitivity of imaging device 200 when scene shot switches, so that the switch speed of focal modes is lifted, from
Focusing speed is lifted on the whole.
In summary, the control method of embodiment of the present invention, control device 100 and electronic installation 1000, are being detected
When imaging device 200 switches focal modes, focusing sensitivity of the lifting scene shot in switching, so as to lift the second focusing mould
The triggering speed that formula is opened, so lifted two kinds of focal modes switching speed to shorten focusing time, lifting pair from overall
Burnt speed, improves Consumer's Experience.
In some embodiments, electronic installation 1000 can be the electronics that mobile phone or tablet personal computer etc. have camera function
Terminal.And imaging device 200 includes preposition and/or rearmounted camera.
It is appreciated that electronic installation 1000 includes but is not limited to the example of present embodiment.
In some embodiments, imaging device obtains preview image when step S20 is switched by reducing scene shot
Frame number lifts the focusing sensitivity.
Generally, when switching to the second focal modes by the first focal modes, imaging device will obtain the second focal modes pair
The multiframe preview image for the scene shot answered, then can just trigger the unlatching of the second focal modes.Obtained by reducing imaging device
The frame number of preview image will shorten the triggered time of the second focal modes, so that overall accelerate focusing speed.If for example, imaging dress
Put needs to obtain 4 frame preview images originally, then 4 frame preview images is reduced into 2 frame preview images.In this way, second pair can be reduced
In the triggered time that burnt pattern is opened, user is without waiting for excessively for a long time.
In some embodiments, the rate of change of scene shot lifts institute when step S20 is switched by reduction scene shot
State focusing sensitivity.
Generally, when switching to the second focal modes by the first focal modes, imaging device needs to recognize shot after change
Scene, and trigger the second focal modes when the rate of change of scene shot reaches to a certain degree.Recognized by reducing imaging device
The rate of change of scene shot will shorten the triggered time of the second focal modes, so that overall accelerate focusing speed.If for example, originally
Imaging device needs the rate of change for recognizing scene shot to reach 30% the second focal modes of triggering, then by rate of change by 30% reduction
To 20%.In this way, the triggered time of the second focal modes unlatching can be reduced, user is without waiting for excessively for a long time.
Referring to Fig. 3, in some embodiments, control method also includes step：
S30, the focusing of display second is cancelled when imaging device switches to the focusing of the second focal modes by the first focal modes
The focus frame of pattern.
Referring to Fig. 4, in some embodiments, control device 100 also includes display module 30.Step S30 can be by
Display module 30 is realized.Display module 30 is used to switch to the second focusing by the first focal modes in imaging device 200 in other words
Cancel the focus frame for showing the second focal modes when pattern is focused.
It is appreciated that when using laser focal modes, for lifting focusing speed, display module 30 does not show focus frame.
And show focus frame when using contrast focal modes.Generally, the display process of focus frame needs 500 milliseconds, to a certain degree
On extend focusing time.Therefore, after focal modes switching, if turning to display focus frame, one by not showing that focus frame becomes
Consumer's Experience is poor from visual effect, and the two display processes for carrying out focus frame will also decrease the speed of whole focus process.Therefore,
In the present embodiment, focus frame is will no longer be shown in focal modes handoff procedure, that is to say cancellation display the second focusing mould
The focus frame of formula.So as to keep the coherent consistent of focus process from visual effect, and it can effectively shorten focusing time.
The control device 100 and the not deployed other parts of electronic installation 1000 of embodiment of the present invention, can join the above real
The corresponding part of the control method of mode is applied, is no longer developed in details herein.
In the description of embodiments of the present invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length
Degree ", " width ", " thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ",
The orientation or position relationship of the instruction such as " outer ", " clockwise ", " counterclockwise " are based on orientation shown in the drawings or position relationship, only
It is to be described for the ease of description embodiments of the present invention with simplified, rather than indicates or imply that the device or element of meaning are necessary
With specific orientation, with specific azimuth configuration and operation, therefore it is not intended that limitation to embodiments of the present invention.
In addition, term " first ", " second " are only used for describing purpose, and it is not intended that indicating or implying relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or
Implicitly include one or more feature.In the description of embodiments of the present invention, " multiple " are meant that two
Individual or two or more, unless otherwise specifically defined.
, it is necessary to illustrate in the description of embodiments of the present invention, unless otherwise clearly defined and limited, term
" installation ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or one
Connect body；It can be mechanical connection or electrical connection or can mutually communicate；Can be joined directly together, can also lead to
Cross intermediary to be indirectly connected to, can be connection or the interaction relationship of two elements of two element internals.For ability
For the those of ordinary skill in domain, it can understand that above-mentioned term in embodiments of the present invention specific contains as the case may be
Justice.
In embodiments of the present invention, unless otherwise clearly defined and limited, fisrt feature second feature it
" on " or it " under " can directly be contacted including the first and second features, it is not directly to connect that can also include the first and second features
Touch but pass through the other characterisation contact between them.Moreover, fisrt feature second feature " on ", " top " and " on
Face " includes fisrt feature directly over second feature and oblique upper, or to be merely representative of fisrt feature level height special higher than second
Levy.Fisrt feature second feature " under ", " lower section " and " below " include fisrt feature directly over second feature and tiltedly on
Side, or fisrt feature level height is merely representative of less than second feature.
Above disclosure provides many different embodiments or example is used for realizing embodiments of the present invention not
Same structure.In order to simplify the disclosure of embodiments of the present invention, above the part and setting of specific examples are described.When
So, they are only merely illustrative, and purpose does not lie in the limitation present invention.In addition, embodiments of the present invention can be in different examples
Repeat reference numerals and/or reference letter in son, this repetition are for purposes of simplicity and clarity, itself not indicate to be begged for
By the relation between various embodiments and/or setting.In addition, the various specific techniques that embodiments of the present invention are provided
With the example of material, but those of ordinary skill in the art can be appreciated that the application of other techniques and/or making for other materials
With.
In the description of this specification, reference term " embodiment ", " some embodiments ", " schematically implementation
The description of mode ", " example ", " specific example " or " some examples " etc. means the tool with reference to the embodiment or example description
Body characteristicses, structure, material or feature are contained at least one embodiment of the present invention or example.In this manual,
Identical embodiment or example are not necessarily referring to the schematic representation of above-mentioned term.Moreover, the specific features of description, knot
Structure, material or feature can in an appropriate manner be combined in any one or more embodiments or example.
Any process described otherwise above or method description are construed as in flow chart or herein, represent to include
Module, fragment or the portion of the code of one or more executable instructions for the step of realizing specific logical function or process
Point, and the scope of the preferred embodiment of the present invention includes other realization, wherein can not be by shown or discussion suitable
Sequence, including according to involved function by it is basic simultaneously in the way of or in the opposite order, carry out perform function, this should be of the invention
Embodiment person of ordinary skill in the field understood.
Represent in flow charts or logic and/or step described otherwise above herein, for example, being considered use
In the order list for the executable instruction for realizing logic function, it may be embodied in any computer-readable medium, for
Instruction execution system, device or equipment (such as computer based system including the system of processing module or other can be from instruction
The system of execution system, device or equipment instruction fetch and execute instruction) use, or combine these instruction execution systems, device or
Equipment and use.For the purpose of this specification, " computer-readable medium " can be it is any can include, store, communicating, propagating or
Transmission procedure uses for instruction execution system, device or equipment or with reference to these instruction execution systems, device or equipment
Device.The more specifically example (non-exhaustive list) of computer-readable medium includes following：With one or more wirings
Electrical connection section (electronic installation), portable computer diskette box (magnetic device), random access memory (RAM), read-only storage
(ROM), erasable edit read-only storage (EPROM or flash memory), fiber device, and portable optic disk is read-only deposits
Reservoir (CDROM).In addition, can even is that can be in the paper of printing described program thereon or other are suitable for computer-readable medium
Medium, because can then enter edlin, interpretation or if necessary with it for example by carrying out optical scanner to paper or other media
His suitable method is handled electronically to obtain described program, is then stored in computer storage.
It should be appreciated that each several part of embodiments of the present invention can be with hardware, software, firmware or combinations thereof come real
It is existing.In the above-described embodiment, multiple steps or method can be with storages in memory and by suitable instruction execution system
The software or firmware of execution is realized.If for example, being realized with hardware, with another embodiment, ability can be used
Any one of following technology known to domain or their combination are realized：With for realizing logic function to data-signal
The discrete logic of logic gates, the application specific integrated circuit with suitable combinational logic gate circuit, programmable gate array
(PGA), field programmable gate array (FPGA) etc..
Those skilled in the art are appreciated that to realize all or part of step that above-described embodiment method is carried
Rapid to can be by program to instruct the hardware of correlation to complete, described program can be stored in a kind of computer-readable storage medium
In matter, the program upon execution, including one or a combination set of the step of embodiment of the method.
In addition, each functional unit in various embodiments of the present invention can be integrated in a processing module, also may be used
To be that unit is individually physically present, can also two or more units be integrated in a module.It is above-mentioned integrated
Module can both be realized in the form of hardware, it would however also be possible to employ the form of software function module is realized.The integrated module
If being realized using in the form of software function module and as independent production marketing or in use, a calculating can also be stored in
In machine read/write memory medium.
Storage medium mentioned above can be read-only storage, disk or CD etc..
Although embodiments of the invention have been shown and described above, it is to be understood that above-described embodiment is example
Property, it is impossible to limitation of the present invention is interpreted as, one of ordinary skill in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, changed, replacing and modification.
Claims (11)
1. a kind of control method, it is characterised in that the control method is used to control imaging device by the first focal modes to be switched
To the focusing of the second focal modes, first focal modes are laser focal modes, and second focal modes are focused for contrast
Pattern, the control method comprises the following steps：
Detecting step, detects whether the imaging device switches to second focal modes pair by first focal modes
It is burnt；And
Switch step, is switched to when second focal modes are focused by first focal modes in the imaging device and is lifted
The focusing sensitivity of the imaging device switches to described second to be lifted by first focal modes during scene switching shot
The switch speed of focal modes.
2. control method as claimed in claim 1, it is characterised in that the switch step is cut by reducing the scene shot
The imaging device obtains the frame number lifting focusing sensitivity of preview image when changing.
3. control method as claimed in claim 1, it is characterised in that the switch step is cut by reducing the scene shot
The rate of change of the scene shot lifts the focusing sensitivity when changing.
4. control method as claimed in claim 1, it is characterised in that the control method also includes：
Switched to when second focal modes are focused and cancelled described in display by first focal modes in the imaging device
The focus frame of second focal modes.
5. a kind of control device, it is characterised in that the control device is used to control imaging device by the first focal modes to be switched
To the focusing of the second focal modes, first focal modes are laser focal modes, and second focal modes are focused for contrast
Pattern, the control device includes：
Detection module, the detection module is for detecting it is described whether the imaging device is switched to by first focal modes
Second focal modes are focused；And
Handover module, the handover module is used to switch to described second pair by first focal modes in the imaging device
Lifting is shot the focusing sensitivity of imaging device when scene switches to be lifted by the described first focusing mould during burnt pattern focusing
Formula switches to the switch speed of second focal modes.
6. control device as claimed in claim 5, it is characterised in that the handover module is cut by reducing the scene shot
The imaging device obtains the frame number lifting focusing sensitivity of preview image when changing.
7. control device as claimed in claim 5, it is characterised in that the handover module is cut by reducing the scene shot
The rate of change of the scene shot lifts the focusing sensitivity when changing.
8. control device as claimed in claim 5, it is characterised in that the control device also includes：
Display module, the display module is used to switch to described second pair by first focal modes in the imaging device
Cancel the focus frame of display second focal modes during burnt pattern focusing.
9. a kind of electronic installation, it is characterised in that the control dress including imaging device and as described in claim 5-8 any one
Put.
10. electronic installation as claimed in claim 9, it is characterised in that the electronic installation includes mobile phone or tablet personal computer.
11. electronic installation as claimed in claim 9, it is characterised in that the imaging device includes Front camera and/or rearmounted
Camera.
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| CN201610116267.6A CN105763806B (en) | 2016-02-29 | 2016-02-29 | Control method, control device and electronic installation |
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| CN201610116267.6A CN105763806B (en) | 2016-02-29 | 2016-02-29 | Control method, control device and electronic installation |
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| CN105763806B true CN105763806B (en) | 2017-10-03 |
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| EP2884737A1 (en) * | 2013-12-10 | 2015-06-17 | Samsung Electronics Co., Ltd | Apparatus, method and program for controlling phase difference autofocus in dependence upon object brightness |
| CN104811620A (en) * | 2015-04-28 | 2015-07-29 | 上海与德通讯技术有限公司 | Focusing method and focusing system |
| CN104885440A (en) * | 2013-01-04 | 2015-09-02 | 富士胶片株式会社 | Image processing device, imaging device, image processing method, and image processing program |
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| CN101783882B (en) * | 2009-01-15 | 2011-08-10 | 华晶科技股份有限公司 | Method and image capturing device for automatically determining scenario mode |
| JP6218434B2 (en) * | 2013-05-24 | 2017-10-25 | キヤノン株式会社 | Focus detection sensor |
| CN104954680A (en) * | 2015-06-16 | 2015-09-30 | 深圳市金立通信设备有限公司 | Camera focusing method and terminal |
| CN104994298B (en) * | 2015-07-14 | 2018-08-10 | 厦门美图之家科技有限公司 | A kind of the focusing triggering method and system of intelligent selection focal modes |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104885440A (en) * | 2013-01-04 | 2015-09-02 | 富士胶片株式会社 | Image processing device, imaging device, image processing method, and image processing program |
| EP2884737A1 (en) * | 2013-12-10 | 2015-06-17 | Samsung Electronics Co., Ltd | Apparatus, method and program for controlling phase difference autofocus in dependence upon object brightness |
| CN104811620A (en) * | 2015-04-28 | 2015-07-29 | 上海与德通讯技术有限公司 | Focusing method and focusing system |
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Address after: Changan town in Guangdong province Dongguan 523860 usha Beach Road No. 18 Patentee after: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., Ltd. Address before: Changan town in Guangdong province Dongguan 523859 usha Beach Road No. 18 Patentee before: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., Ltd. |