CN105812656A - Control method, control apparatus and electronic apparatus - Google Patents
Control method, control apparatus and electronic apparatus Download PDFInfo
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- CN105812656A CN105812656A CN201610115850.5A CN201610115850A CN105812656A CN 105812656 A CN105812656 A CN 105812656A CN 201610115850 A CN201610115850 A CN 201610115850A CN 105812656 A CN105812656 A CN 105812656A
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- object distance
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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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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
- G01S17/02—Systems using the reflection of electromagnetic waves other than radio waves
- G01S17/06—Systems determining position data of a target
- G01S17/08—Systems determining position data of a target for measuring distance only
Abstract
The invention discloses a control method which is used to control the focusing of an imaging apparatus. The imaging apparatus comprises a laser adopted range measuring device. The control method is performed by the following steps of a first control step, a first processing step and a second control process. The first control step controls that the laser adopted range measuring device emits laser patterns to a plurality of shot spots. The first processing step processes laser from the returned laser patterns that the laser adopted range measuring device receives to obtain object distances among the plurality of shot spots. The second control step controls that the imaging apparatus does focusing according to the object distances. Further, the invention discloses a control apparatus and an electronic apparatus. According to the embodiments of the invention, the laser adopted range measuring device can emit a variety of laser patterns, and therefore, object distances can be measured at different shot spots under the same scenario and focusing can be done according to the object distances to improving focusing effect.
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 camera is poor at scene internal memory focus effects when the object that object distance is different, and image quality is undesirable.
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, is used for controlling imaging device focusing, and described imaging device includes laser ranging system, and described control method comprises the following steps:
First rate-determining steps, controls described laser ranging system and launches laser pattern extremely multiple points being shot；
First processes step, processes the laser of described laser pattern of the return that described laser ranging system receives to obtain the object distance of the plurality of point being shot；And
Second rate-determining steps, controls described imaging device and focuses according to the plurality of object distance.
The control device of embodiment of the present invention, is used for controlling imaging device focusing, and described imaging device includes laser ranging system, and described control method comprises the following steps:
First controls module, and described first controls module is used for controlling described laser ranging system transmitting laser pattern extremely multiple points being shot；
First processing module, described first processing module is used for the laser processing the described laser pattern of the return that described laser ranging system receives to obtain the object distance of the plurality of point being shot；And
Second controls module, and described second control module is used for controlling described imaging device and focuses according to the plurality of object distance.
The electronic installation of embodiment of the present invention, including imaging device and above-mentioned control device.
The control method of embodiment of the present invention, control device and electronic installation, owing to laser ranging system can launch multiple laser pattern, therefore can measure the object distance of point multiple being shot in Same Scene, and focus according to multiple object distances, it is possible to improve focus effects.
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.
Fig. 5 is the schematic flow sheet of the control method of some embodiment of the present invention.
Fig. 6 is the schematic flow sheet of the control method of some embodiment of the present invention.
Fig. 7 is the high-level schematic functional block diagram controlling device of some embodiment of the present invention.
Fig. 8 is the view of the control method of some embodiment of the present invention.
Fig. 9 is the schematic flow sheet of the control method of some embodiment of the present invention.
Figure 10 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 focusing.Wherein, imaging device includes laser ranging system.
Control method comprises the following steps:
S10, controls laser ranging system and launches laser pattern extremely multiple points being shot；
S20, processes the laser of laser pattern of the return that laser ranging system receives to obtain the object distance of multiple point being shot；And
S30, controls imaging device and focuses according to multiple object distances.
Referring to Fig. 2, the control device 100 of embodiment of the present invention includes first control module the 10, first processing module 20 and second and controls module 30.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 includes laser ranging system 50.
Wherein, the step S10 of the control method of embodiment of the present invention can be controlled module 10 by first and realize, and step S20 can be realized by the first processing module 20, and step S30 can be controlled module 30 by second and realize.In other words, first controls module 10 and is used for controlling laser ranging system 50 and launches laser pattern to multiple points being shot.First processing module 20 is used for the laser processing the laser pattern of the return that laser ranging system 50 receives to obtain the object distance of multiple point being shot.Second control module 30 is used for controlling imaging device 200 and focuses according to multiple object distances.
Laser focal modes is focused faster because of it speed, is increasingly widely applied in electronic installation.Laser focusing mainly utilizes the characteristic that infrared light centrality not easily spreads by force, emits from laser beam emitting device by recording infrared light, reflects through target surface, and the time difference finally received, image-signal processor calculates the target distance to imaging device.This distance is the object distance in focus process, further according to the corresponding relation of the object distance pre-set Yu focusing motor position, drives focusing motor to arrive focal position and completes focusing.
Laser ranging system 50 generally includes discharger (not shown) and receives device (not shown), and discharger is used for launching laser, receives device for receiving the laser reflected.Usual laser ranging system 50 is close to imaging lens and arranges.
User, after starting camera function, launches laser by the discharger of laser ranging system 50, and records the time launching laser, be recorded as the very first time.
The laser that laser ranging system 50 is launched can reflect after running into barrier, generally require there is no other barriers when shooting between imaging lens and object, the device reception that receives of laser ranging system 50 runs into the laser that object reflects, and record the time receiving reflection laser, it was recorded as the second time.
Owing to the aerial spread speed of laser is certain, therefore, according to the very first time, the second time and infrared light spread speed, the distance of object and laser ranging system 50 object distance during using this distance as shooting can be obtained.
The typical application scenarios of the control method of present embodiment is that region being shot comprises multiple shot subject, multiple shot subjects form multiple point being shot, in other words, multiple points being shot both can be on the object that same level is more, it is also possible to is lay respectively on different objects.Such as, when shooting one and being colored, multiple petals are focused.And for example, shoot when many people take a group photo multiple faces are focused.
In some instances, laser ranging system 50 includes multiple discharger, thus can launch multiple laser, and multiple laser forms specific laser pattern.It is appreciated that laser will not spread after transmitting, returns after running into point being shot, therefore for the point multiple being shot that front and back level is different, can carry out respectively finding range to obtain focus data, for the data that the imaging offer in later stage is required.
Such as, in some embodiments, process the object distance value of the point multiple being shot obtained to obtain an image distance value that can be used for focusing, and control imaging device imaging according to image distance value.In other embodiment, the image of correspondence can be obtained respectively according to each object distance value and multiple images are synthesized.
The control method of embodiment of the present invention, control device 100 and electronic installation 1000, owing to laser ranging system 50 can launch multiple laser pattern, therefore can measure the object distance of point multiple being shot in Same Scene, and focus according to multiple object distances, it is possible to improve focus effects.
In some embodiments, laser pattern include "+" font, " Lv " font, " # " font or "○" type.
Certainly, the pattern of laser pattern includes but not limited to the pattern that present embodiment is disclosed.
It is appreciated that and adopts laser pattern by increasing the area measured, in other words scene being shot for increase will can be detected measured point quantity.
Such as, laser pattern be "+" font, photographed scene is shooting a bunch of flowers, so, the laser of the "-" of "+" font and the intersection of " | " can measure the object distance of the flower being positioned at bouquet center, and the laser of selfing crunode bearing of trend vertically and horizontally then can measure the object distance of other flowers being located around bouquet center.
In some embodiments, laser pattern can include multiple pattern to tackle multiple shooting demand simultaneously.When different photographed scene, user can select laser pattern to switch over voluntarily.
Referring to Fig. 3, in some embodiments, imaging device includes imaging lens and focusing motor.Focusing motor is used for driving imaging lens to move to realize focusing.
Step S30 includes step:
Multiple object distances are converted into the step number of focusing motor by S32；And
S34, drives focusing motor according to step number so that imaging device is focused.
Referring to Fig. 4, in some embodiments, the imaging device 200 of embodiment of the present invention includes imaging lens 60 and focusing motor 70.Focusing motor 70 is used for driving imaging lens 60 to move to realize focusing.Second controls module 30 includes conversion module 32 and drives module 34.Step S32 can be realized by conversion module 32, and step S34 can by driving module 34 to realize.In other words, conversion module 32 for being converted into the step number of focusing motor 70 by multiple object distances, and drives module 34 for driving focusing motor 70 so that imaging device 200 is focused according to step number.
When imaging lens 60 is focused, record each focal position object distance and focusing motor 70 position corresponding relation, and corresponding relation is preserved to controlling device 100.In concrete operations, process the multiple object distances obtained and obtain processing costs, the position according to focusing motor 70 corresponding to processing costs, drive focusing motor 70 to arrive focal position.
In some embodiments, focusing motor 70 is stepper motor.It is appreciated that the step angle according to stepper motor and the final position of focusing motor 70, it may be determined that focusing motor 70 is advanced required step number.Drive module 34 to drive focusing motor 70 to advance according to step number, so, focusing can be completed.
Referring to Fig. 5, in some embodiments, step S32 includes step:
S321, value that multiple object distances are averaged calculates to obtain average object distance；And
S322, obtains step number after obtaining image distance according to average object distance.
Step S321 and step S322 can be realized by conversion module 32.
Owing to ensure point multiple being shot in a certain shooting area overall definition when imaging, and focusing motor and imaging lens only one of which, therefore, need many object distances are processed, to obtain one for the object distance value used of focusing, making when adopting this object distance value to focus, multiple points being shot each fall within field depth or make point being shot as much as possible fall into field depth.The mode calculating meansigma methods can be adopted when processing multiple object distance, obtain the step number of focusing motor 70 according to the average object distance value calculating image distance after calculating conversion, to realize focusing.
In some embodiments, when converting object distance value the object distance value of also comparable whole acquisition to obtain minimum object distance.In other embodiment, analogously, maximum object distance can be obtained.
Under normal circumstances, minimum object distance and maximum object distance are only used as focus data return and for calculating average object distance.Refer to Fig. 6, and in some embodiments, step S32 include step:
S323, relatively multiple object distances are to obtain minimum object distance, average object distance and maximum object distance；And
S324, obtains the step number of correspondence after obtaining image distance according to minimum object distance, average object distance and maximum object distance.
Control method further comprises the steps of:
S40, processes the image of the corresponding respectively minimum object distance of imaging device 200 output, average object distance and maximum object distance to obtain merging image.
Referring to Fig. 7, in some embodiments, step S323 and step S324 can be realized by conversion module 32.Controlling device 100 and also include the second control module 40, step S40 can be controlled module 40 by second and realize.In other words, second controls the image of the minimum object distance of correspondence respectively, average object distance and maximum object distance that module 40 exports for processing imaging device 200 to obtain merging image.
In such embodiment, imaging device 200 obtains an image after not only multiple object distances being processed, but all obtain an image at the image distance place corresponding to minimum object distance, maximum object distance and average object distance, and three images are synthesized, again image is shown to user after synthesis.In operation, focusing motor can be promoted at minimum object distance, average object distance and maximum object distance place to obtain the image of correspondence successively respectively.So, one can make focusing motor complete the acquisition of multiple images in a stepping process without moving repeatedly focusing motor, saves the time.Two in the image of synthesis, and minimum object distance, maximum object distance and average object distance place point being shot all can clearly show.
Referring to Fig. 8, in one example, scene being shot includes object A, B and C that dimensional orientation from the close-by examples to those far off stands, and A, B and C are spaced at equal intervals.Thus, minimum object distance place is object A, and maximum object distance place is object C, and average object distance place is object B.Imaging device 200 obtains object A, object B and three images that object C is focus successively, and in these three images, be taken object respectively A, B and C clearly.Process through the second processing module 40 and three images are synthesized.In the image of synthesis, object A, object B and object C all show clearly.
Referring to Fig. 9, in some embodiments, step S32 includes step:
S325, determines whether in the field depth that at least two object falls into imaging device according to multiple object distances；And
S326, if there being at least two object to fall in the field depth of imaging device, is converted into step number according to the centre position of at least two object as object distance.
Step S325 and step S326 can be realized by conversion module 32.
In some photographed scene, farther out, in other words when imaging, multiple points being shot are not positioned at field depth to each object spacing simultaneously.Now, the point main being shot that can select according to user, the point being shot outside field depth is ignored, with ensure mainly to focus point being shot and other be positioned at being shot some imaging clearly of field depth.Falling into field depth for two points being shot, now, the centre position of optional two points being shot is as object distance and then is converted into the step number of focusing motor 70 to realize focusing.Certainly, the embodiment carrying out synthesizing for multiple images is then without considering depth of field factor.
In such embodiment, step S42 further comprises the steps of:
S327, if not having any at least two point being shot to fall into prompting user during the field depth of imaging device.
Referring to Figure 10, in some embodiments, conversion module 32 includes reminding module 36, and step S327 can be realized by reminding module 36.
Information can be one or more in text prompt information, vibration prompt information or auditory tone cues information.Now according to prompting, user can reselect focusing area or one of them object directly carries out shooting imaging.
The part that the control device 100 of the invention process embodiment, electronic installation 1000 are not deployed, can join the corresponding part of the control method of embodiment of above, no longer be 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 (20)
1. a control method, is used for controlling imaging device focusing, it is characterised in that described imaging device includes laser ranging system, and described control method comprises the following steps:
First rate-determining steps, controls described laser ranging system and launches laser pattern extremely multiple points being shot；
First processes step, processes the laser of described laser pattern of the return that described laser ranging system receives to obtain the object distance of the plurality of point being shot；And
Second rate-determining steps, controls described imaging device and focuses according to the plurality of object distance.
2. control method as claimed in claim 1, it is characterised in that described laser pattern include "+" font, " Lv " font, " # " font or "○" type.
3. control method as claimed in claim 1, it is characterised in that described imaging device includes imaging lens and focusing motor, described focusing motor is used for driving described imaging lens to move to realize focusing, and described second rate-determining steps includes:
Scaling step, is converted into the step number of described focusing motor by the plurality of object distance；And
Actuation step, drives described focusing motor according to described step number so that described imaging device is focused.
4. control method as claimed in claim 3, it is characterised in that described scaling step includes:
Value that the plurality of object distance is averaged calculates to obtain average object distance；And
Described step number is obtained after obtaining image distance according to described average object distance.
5. control method as claimed in claim 3, it is characterised in that described scaling step includes:
Relatively the plurality of object distance is to obtain minimum object distance；And
Described step number is obtained after obtaining image distance according to described minimum object distance.
6. control method as claimed in claim 3, it is characterised in that described scaling step includes:
Relatively the plurality of object distance is to obtain maximum object distance；And
Described step number is obtained after obtaining image distance according to described maximum object distance.
7. control method as claimed in claim 3, it is characterised in that described scaling step includes:
Determine whether that described at least two, point being shot falls in the field depth of described imaging device according to the plurality of object distance；And
If there being point being shot described at least two to fall in the field depth of described imaging device, according to described at least two, the centre position of point being shot is converted into described step number as object distance.
8. control method as claimed in claim 7, it is characterised in that described scaling step includes:
If not having point being shot described at least two to fall in the field depth of described imaging device, point out user.
9. control method as claimed in claim 3, it is characterised in that described scaling step includes:
Relatively the plurality of object distance is to obtain minimum object distance, average object distance and maximum object distance；And
The described step number of correspondence is obtained after obtaining image distance according to described minimum object distance, described average object distance and described maximum object distance；
Described control method also includes:
Second processes step, processes the image of the corresponding respectively described minimum object distance of described imaging device output, described average object distance and described maximum object distance to obtain merging image.
10. control a device, be used for controlling imaging device focusing, it is characterised in that described imaging device includes laser ranging system, and described control method comprises the following steps:
First controls module, and described first controls module is used for controlling described laser ranging system transmitting laser pattern extremely multiple points being shot；
First processing module, described first processing module is used for the laser processing the described laser pattern of the return that described laser ranging system receives to obtain the object distance of the plurality of point being shot；And
Second controls module, and described second control module is used for controlling described imaging device and focuses according to the plurality of object distance.
11. control device as claimed in claim 10, it is characterised in that described laser pattern include "+" font, " Lv " font, " # " font or "○" type.
12. control device as claimed in claim 10, it is characterised in that described imaging device includes imaging lens and focusing motor, described focusing motor is used for driving described imaging lens to move to realize focusing, and described second controls module includes:
Conversion module, described conversion module for being converted into the step number of described focusing motor by the plurality of object distance；And
Driving module, described driving module is for driving described focusing motor according to described step number so that described imaging device is focused.
13. control device as claimed in claim 12, it is characterised in that described conversion module calculates for value that the plurality of object distance is averaged to obtain described step number after obtaining average object distance and obtaining image distance according to described average object distance.
14. control device as claimed in claim 12, it is characterised in that described conversion module is for comparing the plurality of object distance to obtain described step number after obtaining minimum object distance and obtaining image distance according to described minimum object distance.
15. control device as claimed in claim 12, it is characterised in that described conversion module is for comparing the plurality of object distance to obtain described step number after obtaining maximum object distance and obtaining image distance according to described maximum object distance.
16. control device as claimed in claim 12, it is characterized in that, according to the plurality of object distance, described conversion module is for determining whether that point being shot described at least two falls in the field depth of described imaging device and the centre position of point being shot according to described at least two is converted into described step number as object distance when having that described at least two, point being shot falls in the field depth of described imaging device.
17. control device as claimed in claim 16, it is characterised in that described conversion module includes reminding module, described reminding module for pointing out user when not having point being shot described at least two to fall in the field depth of described imaging device.
18. control device as claimed in claim 12, it is characterized in that, described conversion module is for comparing the plurality of object distance to obtain described step number after obtaining minimum object distance, average object distance and maximum object distance and obtaining image distance according to described minimum object distance, described average object distance and described maximum object distance；Described control device also includes: the second processing module, and described second processes for the image processing the corresponding respectively described minimum object distance of described imaging device output, described average object distance and described maximum object distance to obtain merging image.
19. an electronic installation, it is characterised in that include imaging device and the control device as described in claim 10-18 any one.
20. electronic installation as claimed in claim 19, it is characterised in that described electronic installation includes mobile phone or panel computer.
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| CN107580176A (en) * | 2017-08-02 | 2018-01-12 | 努比亚技术有限公司 | A kind of terminal taking control method, camera shooting terminal and computer-readable recording medium |
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