CN105763806A - Control method and device and electronic device - Google Patents
Control method and device and electronic device Download PDFInfo
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- CN105763806A CN105763806A CN201610116267.6A CN201610116267A CN105763806A CN 105763806 A CN105763806 A CN 105763806A CN 201610116267 A CN201610116267 A CN 201610116267A CN 105763806 A CN105763806 A CN 105763806A
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- focal modes
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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
Abstract
The invention discloses a control method, and the method is used for controlling the imaging device to be switched from a first focusing mode to a second focusing mode for focusing. The first focusing mode is a laser focusing mode, and the second focusing mode is a contrast focusing mode. The control method comprises the steps: detecting whether the imaging device is switched from the first focusing mode to the second focusing mode for focusing or not; improving the focusing sensitivity of the imaging device during the switching of a photographed scene if the imaging device is switched from the first focusing mode to the second focusing mode for focusing, so as to increasing the switching speed from the first focusing mode to the second focusing mode. The invention also discloses a control device and an electronic device. According to the embodiment of the invention, the method improves the focusing sensitivity of the imaging device during the switching of the photographed scene when the focusing mode of the imaging device is detected to be switched, thereby increasing the starting triggering speed of the second focusing mode, and further increasing the switching speed of two focusing modes, so as to increase the switching speed and improve the user experience.
Description
Technical field
The present invention relates to imaging technique, particularly to a kind of control method, control device and electronic installation.
Background technology
Existing mobile phone adopts what laser focal modes carried out finding range to be limited in scope, and when remote burnt shooting switches to contrast focal modes, handoff procedure is slower so that the whole focus process time is longer, and Consumer's Experience is poor.
Summary of the invention
It is contemplated that at least solve one of technical problem of existence in prior art.For this, the present invention needs to provide a kind of control method, control device and electronic installation.
The control method of embodiment of the present invention, the second focal modes focusing is switched to by the first focal modes for controlling imaging device, described first focal modes is laser focal modes, and described second focal modes is contrast focal modes, and described control method comprises the following steps:
Detecting step, detects whether described imaging device is switched to described second focal modes focusing by described first focal modes；And
Switch step, promotes the focusing sensitivity of described imaging device during scene being shot switching to promote the switch speed being switched to described second focal modes by described first focal modes when described imaging device is switched to described second focal modes focusing by described first focal modes.
The control device of embodiment of the present invention, the second focal modes focusing is switched to by the first focal modes for controlling imaging device, described first focal modes is laser focal modes, and described second focal modes is contrast focal modes, and described control method comprises the following steps:
Detection module, described detection module is used for detecting whether described imaging device is switched to described second focal modes focusing by described first focal modes；And
Handover module, when described handover module for promoting scene being shot switching when described imaging device is switched to described second focal modes focusing by described first focal modes, the focusing sensitivity of described imaging device is switched to the switch speed of described second focal modes with lifting by described first focal modes.
The electronic installation of embodiment of the present invention includes imaging device and controls device as above.
The control method of embodiment of the present invention, control device and electronic installation, when imaging device switching focal modes being detected, promote the scene being shot focusing sensitivity when switching, thus promoting the triggering speed that the second focal modes is opened, and then the speed of the switching of two kinds of focal modes of lifting is from general increase focusing speed, to improve Consumer's Experience.
The advantage of the additional aspect of the present invention will part provide in the following description, and part will become apparent from the description below, or is recognized by the practice of the present invention.
Accompanying drawing explanation
Above-mentioned and/or the additional aspect of the present invention and advantage are from conjunction with will be apparent from easy to understand the accompanying drawings below description to embodiment, 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 controlling device of embodiment of the present invention.
Fig. 3 is the schematic flow sheet of the control method of some embodiment of the present invention.
Fig. 4 is the high-level schematic functional block diagram controlling device of some embodiment of the present invention.
Detailed description of the invention
Being described below in detail embodiments of the present invention, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has the element of same or like function from start to finish.The embodiment described below with reference to accompanying drawing is illustrative of, and is only used for explaining embodiments of the present invention, and it is not intended that restriction to embodiments of the present invention.
Refer to Fig. 1, the control method of embodiment of the present invention, it is used for controlling imaging device and is switched to the second focal modes focusing by the first focal modes.Wherein, the first focal modes is laser focal modes, and the second focal modes is contrast focal modes.
Control method comprises the following steps:
S10, whether detection imaging device is switched to the second focal modes focusing by the first focal modes；And
S20, promotes the focusing sensitivity of imaging device during scene being shot switching to promote the switch speed being switched to the second focal modes by the first focal modes when imaging device is switched to the second focal modes focusing by the first focal modes.
Referring to Fig. 2, the control device 100 of embodiment of the present invention includes detection module 10 and handover module 20.As an 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 applicable to electronic installation 1000, and electronic installation 1000 can include controlling device 100 and imaging device 200.Imaging device 200 can adopt the first focal modes or the second focal modes, and namely object is focused by laser focal modes and contrast formula focal modes.
Wherein, the step S10 of the control method of embodiment of the present invention can be realized by detection module 10, and step S20 can be realized by handover module 20.In other words, detection module 10 is used for detecting whether imaging device 200 is switched to the second focal modes focusing by the first focal modes.And handover module 20 for being switched to the focusing sensitivity promoting imaging device 200 when scene being shot switches when the second focal modes is focused to promote the switch speed being switched to the second focal modes by the first focal modes at imaging device 200 by the first focal modes.
Specifically, laser focal modes mainly utilizes the characteristic that infrared light centrality not easily spreads by force, emits from laser ranging system by recording infrared light, reflects through target surface, the time difference finally received, is calculated the target distance to imaging device by image-signal processor.This distance is the object distance in focus process, and the focometer further according to eyeglass module calculates the concrete numerical value of the required image distance adjusted and then adjusts focusing position, it is achieved focusing.
Contrast focal modes then changes according to the contrast of focal point picture, lens location when searching contrast is maximum.When captured picture contrast is maximum, imaging is the most clear, namely realizes focusing.
Although laser focal modes focusing speed, but the power consumption considerations being generally limited by electronic installation considers and the impact of the ambient parameter of photographed scene, the coverage of laser focal modes is commonly available to focusing during nearly burnt shooting, and the object distance of object measured beyond coverage is by not accurate enough, focus it is thus desirable to switch to other focusing modes, for instance switch to the focusing of contrast focal modes.Compared to laser focal modes, contrast focal modes finds, owing to existing, the process that contrast is maximum, and therefore focusing speed is relatively slow, but better for vista shot focus effects.
In some instances, it is necessary to the sight that switching focal modes carries out focusing can be that scene being shot changes.Such as, scene being shot is vista shot by close shot shot change.In operation, enter the camera applications of electronic installation, time initial, imaging device adopts the focusing of laser focal modes, when scene being shot changes, such as, when being vista shot by close shot shot change, the object distance of the object that laser focal modes is acquired will be no longer accurate, now need that laser focal modes will be switched to contrast focal modes and focus.In handoff procedure, contrast focal modes needs certain triggered time to open, and extends focusing time on the whole.
In embodiment of the present invention, when detection module 10 detects that imaging device 200 switches focal modes, handover module 20 is by being lifted at the focusing sensitivity of imaging device 200 when scene being shot switches, thus promoting the switch speed of focal modes, promotes focusing speed on the whole.
In sum, the control method of embodiment of the present invention, control device 100 and electronic installation 1000, when detecting that imaging device 200 switches focal modes, promote the scene being shot focusing sensitivity when switching, thus promoting the triggering speed that the second focal modes is opened, and then the speed of the switching of two kinds of focal modes of lifting is from totally shortening focusing time, to promote focusing speed, to improve Consumer's Experience.
In some embodiments, electronic installation 1000 can be the electric terminal that mobile phone or panel computer etc. have camera function.And imaging device 200 includes preposition and/or rearmounted camera.
It is appreciated that electronic installation 1000 includes but not limited to the example of present embodiment.
In some embodiments, when step S20 is by reducing scene being shot switching, imaging device obtains the frame number described focusing sensitivity of lifting of preview image.
Generally, the first focal modes when switching to the second focal modes, imaging device to obtain the multiframe preview image of scene being shot corresponding to the second focal modes, then just can trigger the second focal modes and open.The frame number obtaining preview image by reducing imaging device will shorten the triggered time of the second focal modes, accelerates focusing speed thus overall.Such as, if imaging device needs to obtain 4 frame preview images originally, then 4 frame preview images are reduced to 2 frame preview images.So, can reducing the triggered time that the second focal modes is opened, user is without waiting for excessively long-time.
In some embodiments, when step S20 is by reducing scene being shot switching, the rate of change of scene being shot promotes described focusing sensitivity.
Generally, the first focal modes when switching to the second focal modes, imaging device needs the scene being shot after identifying change, and triggers the second focal modes when the rate of change of scene being shot reaches to a certain degree.The triggered time of the second focal modes will be shortened by reducing the rate of change of imaging device identification scene being shot, accelerate focusing speed thus overall.Such as, if imaging device needs to identify that the rate of change of scene being shot reaches 30% triggering the second focal modes originally, then rate of change is reduced to 20% by 30%.So, can reducing the triggered time that the second focal modes is opened, user is without waiting for excessively long-time.
Referring to Fig. 3, in some embodiments, control method further comprises the steps of:
S30, cancels the focusing frame of display the second focal modes when imaging device is switched to the second focal modes focusing by the first focal modes.
Refer to Fig. 4, in some embodiments, control device 100 and also include display module 30.Step S30 can be realized by display module 30.Display module 30 for cancelling the focusing frame of display the second focal modes when imaging device 200 is switched to the second focal modes focusing by the first focal modes in other words.
Being appreciated that when adopting laser focal modes, for promoting focusing speed, display module 30 does not show focusing frame.And focusing frame is shown when adopting contrast focal modes.Generally, the display process of focusing frame needs 500 milliseconds, extends focusing time to a certain extent.Therefore, after focal modes switches, if by not showing that focusing frame is changed to display focusing frame, one is poor from Consumer's Experience visual effect, and the two display processes focusing frame will also decrease the speed of whole focus process.Therefore, in the present embodiment, focal modes handoff procedure will no longer be shown focusing frame, that is to say the focusing frame cancelling display the second focal modes.Thus keeping the coherent consistent of focus process visual effect, and can effectively shorten focusing time.
Embodiment of the present invention control device 100 and not deployed other parts of electronic installation 1000, the corresponding part of the control method of embodiment of above can be joined, be no longer developed in details at this.
In the description of embodiments of the present invention, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end ", " interior ", " outward ", " clockwise ", orientation or the position relationship of the instruction such as " counterclockwise " are based on orientation shown in the drawings or position relationship, it is for only for ease of description embodiments of the present invention and simplifies description, rather than the device of instruction or hint indication or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that restriction to embodiments of the present invention.
Additionally, term " first ", " second " are only for descriptive purposes, and it is not intended that indicate or imply relative importance or the implicit quantity indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or implicitly include one or more described features.In the description of embodiments of the present invention, " multiple " are meant that two or more, unless otherwise expressly limited specifically.
In the description of embodiments of the present invention, it is necessary to explanation, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, for instance, it is possible to it is fixing connection, can also be removably connect, or connect integratedly；Can be mechanically connected, it is also possible to be electrical connection or can communication mutually；Can be joined directly together, it is also possible to be indirectly connected to by intermediary, it is possible to be connection or the interaction relationship of two elements of two element internals.For the ordinary skill in the art, it is possible to understand above-mentioned term concrete meaning in embodiments of the present invention as the case may be.
In embodiments of the present invention, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or D score can include the first and second features and directly contact, it is also possible to include the first and second features and be not directly contact but by the other characterisation contact between them.And, fisrt feature second feature " on ", " top " and " above " include fisrt feature directly over second feature and oblique upper, or be merely representative of fisrt feature level height higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " include fisrt feature directly over second feature and oblique upper, or be merely representative of fisrt feature level height less than second feature.
Above disclosure provides many different embodiments or example for realizing the different structure of embodiments of the present invention.In order to simplify disclosing of embodiments of the present invention, above parts and setting to specific examples are described.Certainly, they are only merely illustrative, and are not intended to the restriction present invention.Additionally, embodiments of the present invention can in different examples repeat reference numerals and/or reference letter, this repetition is for purposes of simplicity and clarity, the relation between itself not indicating discussed various embodiment and/or arranging.Additionally, the example of the various specific technique that provides of embodiments of the present invention and material, but those of ordinary skill in the art are it can be appreciated that the use of the application of other techniques and/or other materials.
In the description of this specification, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " exemplary embodiment ", " example ", " concrete example " or " some examples " etc. means in conjunction with described embodiment or example describe are contained at least one embodiment or the example of the present invention.In this manual, the schematic representation of above-mentioned term is not necessarily referring to identical embodiment or example.And, the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiments or example.
Describe in flow chart or in this any process described otherwise above or method and be construed as, represent and include the module of code of executable instruction of one or more step for realizing specific logical function or process, fragment or part, and the scope of the preferred embodiment of the present invention includes other realization, wherein can not press order that is shown or that discuss, including according to involved function by basic mode simultaneously or in the opposite order, performing function, this should be understood by embodiments of the invention person of ordinary skill in the field.
Represent in flow charts or in this logic described otherwise above and/or step, such as, it is considered the sequencing list of executable instruction for realizing logic function, may be embodied in any computer-readable medium, use for instruction execution system, device or equipment (such as computer based system, including the system of processing module or other can from instruction execution system, device or equipment instruction fetch the system performing instruction), or use in conjunction with these instruction execution systems, device or equipment.For the purpose of this specification, " computer-readable medium " can be any can comprise, store, communicate, propagate or transmission procedure is for instruction execution system, device or equipment or the device that uses in conjunction with these instruction execution systems, device or equipment.The example more specifically (non-exhaustive list) of computer-readable medium includes following: have the electrical connection section (electronic installation) of one or more wiring, portable computer diskette box (magnetic device), random access memory (RAM), read only memory (ROM), erasable edit read only memory (EPROM or flash memory), fiber device, and portable optic disk read only memory (CDROM).Additionally, computer-readable medium can even is that the paper that can print described program thereon or other suitable media, because can such as by paper or other media be carried out optical scanning, then carry out editing, interpreting or be processed to electronically obtain described program with other suitable methods if desired, be then stored in computer storage.
Should be appreciated that each several part of embodiments of the present invention can realize with hardware, software, firmware or their combination.In the above-described embodiment, multiple steps or method can realize with the storage software or firmware in memory and by suitable instruction execution system execution.Such as, if realized with hardware, the same in another embodiment, can realize by any one in following technology well known in the art or their combination: there is the discrete logic of logic gates for data signal realizes logic function, there is the special IC of suitable combination logic gate circuit, programmable gate array (PGA), field programmable gate array (FPGA) etc..
Those skilled in the art are appreciated that realizing all or part of step that above-described embodiment method carries can be by the hardware that program carrys out instruction relevant and complete, described program can be stored in a kind of computer-readable recording medium, this program upon execution, including the step one or a combination set of of embodiment of the method.
Additionally, each functional unit in various embodiments of the present invention can be integrated in a processing module, it is also possible to be that unit is individually physically present, it is also possible to two or more unit are integrated in a module.Above-mentioned integrated module both can adopt the form of hardware to realize, it would however also be possible to employ the form of software function module realizes.If described integrated module is using the form realization of software function module and as independent production marketing or use, it is also possible to be stored in a computer read/write memory medium.
Storage medium mentioned above can be read only memory, disk or CD etc..
Although above it has been shown and described that embodiments of the invention, it is understandable that, above-described embodiment is illustrative of, it is impossible to be interpreted as limitation of the present invention, and above-described embodiment can be changed, revises, replace and modification by those of ordinary skill in the art within the scope of the invention.
Claims (11)
1. a control method, it is characterized in that, described control method is used for controlling imaging device and is switched to the second focal modes focusing by the first focal modes, and described first focal modes is laser focal modes, described second focal modes is contrast focal modes, and described control method comprises the following steps:
Detecting step, detects whether described imaging device is switched to described second focal modes focusing by described first focal modes；And
Switch step, promotes the focusing sensitivity of described imaging device during scene being shot switching to promote the switch speed being switched to described second focal modes by described first focal modes when described imaging device is switched to described second focal modes focusing by described first focal modes.
2. control method as claimed in claim 1, it is characterised in that when described switch step is by reducing the switching of described scene being shot, the frame number of described imaging device acquisition preview image promotes described focusing sensitivity.
3. control method as claimed in claim 1, it is characterised in that when described switch step is by reducing the switching of described scene being shot, the rate of change of described scene being shot promotes described focusing sensitivity.
4. control method as claimed in claim 1, it is characterised in that described control method also includes:
The focusing frame showing described second focal modes is cancelled when described imaging device is switched to described second focal modes focusing by described first focal modes.
5. one kind controls device, it is characterized in that, described control device is used for controlling imaging device and is switched to the second focal modes focusing by the first focal modes, and described first focal modes is laser focal modes, described second focal modes is contrast focal modes, and described control method comprises the following steps:
Detection module, described detection module is used for detecting whether described imaging device is switched to described second focal modes focusing by described first focal modes；And
Handover module, when described handover module for promoting scene being shot switching when described imaging device is switched to described second focal modes focusing by described first focal modes, the focusing sensitivity of described imaging device is switched to the switch speed of described second focal modes with lifting by described first focal modes.
6. control device as claimed in claim 5, it is characterised in that when described handover module is by reducing the switching of described scene being shot, described imaging device obtains the frame number described focusing sensitivity of lifting of preview image.
7. control device as claimed in claim 5, it is characterised in that when described handover module is by reducing the switching of described scene being shot, the rate of change of described scene being shot promotes described focusing sensitivity.
8. control device as claimed in claim 5, it is characterised in that described control device also includes:
Display module, described display module is for cancelling, when described imaging device is switched to described second focal modes focusing by described first focal modes, the focusing frame showing described second focal modes.
9. an electronic installation, it is characterised in that include imaging device and the control device as described in claim 5-8 any one.
10. electronic installation as claimed in claim 9, it is characterised in that described electronic installation includes mobile phone or panel computer.
11. electronic installation as claimed in claim 9, it is characterised in that described 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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