CN106791375A - One kind shoots focusing method and mobile terminal - Google Patents
One kind shoots focusing method and mobile terminal Download PDFInfo
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- CN106791375A CN106791375A CN201611078985.5A CN201611078985A CN106791375A CN 106791375 A CN106791375 A CN 106791375A CN 201611078985 A CN201611078985 A CN 201611078985A CN 106791375 A CN106791375 A CN 106791375A
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- camera
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- target object
- radar installations
- mobile terminal
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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 embodiment of the present invention provides a kind of shooting focusing method and mobile terminal, and wherein method is applied to the mobile terminal with radar installations, including：After camera is started, target object is determined；The target object according to radar installations acquisition is focused from the target range value of the camera.So, the embodiment of the present invention obtains distance value of the target object from camera by radar installations, and the focusing to target object is realized further according to the distance value.Because radar installations calculates the information such as the distance and object features of target using electromagnetic wave, the influence of ambient lighting brightness is not only restricted to.It can be seen that, the shooting focusing method of the embodiment of the present invention realizes the purpose that low light condition is accurately focused.
Description
Technical field
The present invention relates to communication technical field, more particularly to a kind of shooting focusing method and mobile terminal.
Background technology
At present, mobile terminal shoots conventional focusing mode mainly phase type focusing (PDAF, Phase Detection
Auto Focus) or laser type focusing (LDAF, Laser Diode Auto Focus).Wherein, phase type focusing needs to utilize
Masking pixel on photo-sensitive cell carries out phase-detection, and the requirement to light intensity is higher；Laser type focusing is according to hair
Penetrate and receiving infrared-ray between time difference calculate the distance of target object, focus effects are poor under low light condition.It can be seen that,
Focus effects are poor under the shooting focusing method of current mobile terminal has low light condition.
The content of the invention
The embodiment of the present invention provides a kind of shooting focusing method and mobile terminal, is deposited with solving existing shooting focusing method
The problem of focus effects difference under low light condition.
In a first aspect, the embodiment of the invention provides a kind of shooting focusing method, the movement with radar installations is applied to
Terminal, including：
After camera is started, target object is determined；
The target object according to radar installations acquisition is focused from the target range value of the camera.
Second aspect, the embodiment of the present invention also provides a kind of mobile terminal, with radar installations, including：
Determining module, for after camera is started, determining target object；
Focusing module, for the target object that is obtained according to the radar installations from the camera target range
Value, is focused.
So, in the embodiment of the present invention, after camera is started, target object is determined；Obtained according to the radar installations
The target object for taking is focused from the target range value of the camera.So, the embodiment of the present invention is filled by radar
The distance value for obtaining target object from camera is put, the focusing to target object is realized further according to the distance value.Due to radar dress
Put using information such as the distances and object features of electromagnetic wave measuring and calculating target, be not only restricted to the influence of ambient lighting brightness.It can be seen that, this
The shooting focusing method of inventive embodiments realizes the purpose that low light condition is accurately focused.Further, since radar installations measuring and calculating speed
Degree is very fast, and is not only restricted to the influence of target range, and the embodiment of the present invention also has focusing speed fast, can grow having away from focusing
Beneficial effect.
Brief description of the drawings
Technical scheme in order to illustrate more clearly the embodiments of the present invention, below will be to needed for embodiment of the present invention description
The accompanying drawing to be used is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention,
For those of ordinary skill in the art, without having to pay creative labor, can also be obtained according to these accompanying drawings
Take other accompanying drawings.
Fig. 1 is the flow chart of the shooting focusing method that first embodiment of the invention is provided；
Fig. 2 is the flow chart of the shooting focusing method that second embodiment of the invention is provided；
Fig. 3 is the flow chart of the shooting focusing method that third embodiment of the invention is provided；
Fig. 4 is one of structure chart of mobile terminal that fourth embodiment of the invention is provided；
Fig. 5 is one of structure chart of mobile terminal that fourth embodiment of the invention is provided；
Fig. 6 is the three of the structure chart of the mobile terminal that fourth embodiment of the invention is provided；
Fig. 7 is the four of the structure chart of the mobile terminal that fourth embodiment of the invention is provided；
Fig. 8 is the structure chart of the mobile terminal that fifth embodiment of the invention is provided；
Fig. 9 is the structure chart of the mobile terminal that sixth embodiment of the invention is provided.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is a part of embodiment of the invention, rather than whole embodiments.Based on this hair
Embodiment in bright, the acquired every other implementation under the premise of creative work is not made of those of ordinary skill in the art
Example, belongs to the scope of protection of the invention.
The big focusing technology of main at present three, including the focusing of contrast formula, phase type focusing and laser type focusing, above focusing
There is focusing time long or dim light focusing hardly possible or long away from the focusing low shortcoming of success rate in technology.In order to overcome disadvantages described above, this hair
Bright to provide a kind of technical scheme based on radar installations auxiliary focusing, the technical scheme needs to increase radar hair on mobile terminals
Injection device and radar reception device (referred to as " radar installations ").The radar installations can be automatically turned in mobile terminal-opening；
Or when camera is started, mobile terminal can automatically turn on the radar installations.It is mobile whole from from the point of view of energy saving
End automatically turns on radar installations when can pre-set startup camera.Radar installations using electromagnetic wave quickly calculate target away from
From and the information such as object features, be not only restricted to ambient lighting brightness and the influence of distance.
First embodiment
Referring to Fig. 1, Fig. 1 be it is provided in an embodiment of the present invention shooting focusing method flow chart, as shown in figure 1, including with
Lower step：
Step 101, start camera after, determine target object.
In the step, when camera is started, mobile terminal can control camera to gather the thing in coverage
The image of body, it is possible to which the image of collection is shown in imaging preview area.The process of above-mentioned determination target object can be moved
Dynamic terminal is automatically performed, or mobile terminal is completed according to the operational order of user；Can be based on it is existing really
Set the goal the technology, or the technology based on the object that newly sets the goal really of object.In this regard, the embodiment of the present invention is not limited
It is fixed.
For example, the object nearest from camera can be defaulted as target object by mobile terminal；Can also will meet object
The object of characteristic information is defaulted as target object, and (during such as, recognition of face shoots, mobile terminal can will meet face characteristic automatically
Object as target object)；The target image of imaging preview area can also be located at according to the locking of the specific operation of user, will
Object corresponding with target image is used as target object；Etc..
Step 102, according to the radar installations obtain the target object from the target range value of the camera, enter
Row focusing.
In the step, the target object that can be obtained according to radar installations is focused from the target range value of camera.
The distance value that radar installations obtains object can be in any time for starting camera between being focused.For example, can be with
It is that, when camera is started, radar installations is to obtain the distance value of object, or it is determined that after target object, radar
Device just obtains the distance value of object, and the embodiment of the present invention obtains the opportunity of object distance value to radar installations and is not construed as limiting.
It is the distance value based on object from camera in view of the distance value for focusing, therefore, above-mentioned distance value can be with
It is distance value of the object from camera.Above-mentioned acquisition target object, from the process of the distance value of camera, can be radar installations
Target object is first obtained from the distance value of radar installations, the distance value is modified to target object from shooting further according to amendment relation
The distance value of head；Can also be radar installations according to the amendment relation for setting, the distance value of acquisition is directly modified to target
Distance value of the object from camera.
In the step, above-mentioned radar installations obtains process of the target object from the distance value of camera, can be radar dress
The distance value for first obtaining all objects in coverage is put, then the locus according to target object further obtains
The target range value of target object.If for example, the locus of target object is the object nearest from camera, by radar
In the distance value that device is obtained minimum distance value as target object target range value.Can also be that radar installations is first obtained
The distance value and object features information of all objects in coverage, then the object features information according to target object
Further obtain the target range value of target object.If for example, target object is object (such as people for meeting object features information
The face that face identification technology is identified), then using with the distance value of the object features information matches as target object target
Distance value.
In the step, above-mentioned focusing is also referred to as to light or focusing, i.e., become by the Focusing mechanism (such as focusing motor) of camera
Animal away from position apart, make the process of target object imaging clearly.Above-mentioned focus process can be that radar installations will be obtained
The processor of mobile terminal is reported from the target range value of camera to target object, mobile terminal is according to the target range value
Focusing motor is pushed into corresponding position carries out focusing imaging.
It should be noted that the shooting focusing method is not only adapted to the focusing during taking pictures, it is also adapted to image
Focusing in journey.
In the embodiment of the present invention, above-mentioned mobile terminal can be any equipment with radar installations and camera, for example：
Mobile phone, panel computer (Tablet Personal Computer), kneetop computer (Laptop Computer), individual digital
Assistant (personal digital assistant, abbreviation PDA), mobile Internet access electronic equipment (Mobile Internet
Device, MID), Wearable device (Wearable Device) etc..
The shooting focusing method of the embodiment of the present invention, distance value of the target object from camera is obtained by radar installations,
The focusing to target object is realized further according to the distance value.Distance value, the side of target are obtained using electromagnetic wave due to radar installations
The information, its light intensity for not relying on environment such as position and object features.It can be seen that, the shooting focusing method reality of the embodiment of the present invention
The purpose that low light condition is accurately focused is showed.Further, since radar installations measuring and calculating speed is very fast, and it is not only restricted to target range
Influence, the embodiment of the present invention also has focusing speed fast, can grow the beneficial effect away from focusing.
Second embodiment
Referring to Fig. 2, Fig. 2 is the flow chart of shooting focusing method provided in an embodiment of the present invention, as shown in Fig. 2 the method
The mobile terminal with radar installations and touch-screen is applied to, is comprised the following steps：
Step 201, after camera is started, when the touch operation to the touch-screen is detected, obtain the touch
The touch location of operation.
In the step, when camera is started, mobile terminal can control camera to gather the thing in coverage
The image of body, it is possible to which the image of collection is shown in imaging preview area.After camera is started, mobile terminal can be examined
Survey touch operation of the user to touch-screen, it is possible to obtain the touch location of the touch operation.
Step 202, according to the touch location, determine target object.
In the step, the process of above-mentioned determination target object can be that mobile terminal is grasped according to user in the touch of touch-screen
The touch location of work determines.
So, mobile terminal determines the mode of target object according to the touch location of user's touch operation, can be preferably
The subjective demand of user is met, with more preferable Consumer's Experience.
Optionally, if the touch location is located at the imaging preview area outside shooting button region, by the imaging
Image in preview area positioned at the touch location determines object corresponding with the target image as target image
It is target object.
In embodiment of the present invention, corresponding target object can be indirectly determined by determining target image.Specifically,
Imaging preview area outside touch location is located at shooting button region, then can be located at the touch location by imaging region
Object corresponding with the target image is defined as target object by image as target image.When user expect photographed it is most clear
During clear certain object, image that only need to be to the object in preview area is imaged is touched.
Here, shooting button region can refer to take pictures button or shooting button, or camera button or shooting key.
Embodiment of the present invention can realize the photographing request of complex space and some special screnes, such as before mobile terminal
All there is object in side, now need the realtime graphic of user's finger touch imaging preview area to determine to clap in different distance
The target object taken the photograph, the space object that mobile terminal can in advance be obtained according to radar installations is distributed to realize to different spaces thing
The focusing of body.
Optionally, if the touch location is located at shooting button region, by the closest thing from the camera
Body is defined as target object.
In embodiment of the present invention, when touch location is located at shooting button region, that is to say, that shot when user touches
During button, it is meant that user expects directly to shoot nearest object, and mobile terminal can be by from the closest thing of camera
Body is defined as target object.
Here, shooting button region can refer to take pictures button or shooting button, or camera button or shooting key.
Embodiment of the present invention can realize the photographing request to some simple scenarios or auto heterodyne scene, and mobile terminal can be with
The front and rear object particular location of camera front space need not be obtained, it is only necessary to the acquiescence thing closest to camera front
Body is focused.
Step 203, by the radar installations obtain imaging preview area in each object with a distance from the camera
Value and corresponding object features information.
In the embodiment of the present invention, radar installations can be obtained first in imaging preview area (i.e. in coverage)
The distance value and object features information of all objects, the then object features information according to target object will be with its object features
The object of information match from camera distance value as target object from camera target range value.The radar installations is obtained
The mode that target object is taken from the target range value of camera is adaptable to any target object.
Wherein, object features information can refer to the resemblance information of object, and radar installations can obtain camera collection
Each object object features information.
In the step, can by radar installations obtain imaging preview area in each object from camera distance value and
Corresponding object features information.
It should be noted that by radar installations obtain imaging preview area in each object from camera distance value and
Corresponding object features information, the step for can start camera when be carried out, the step can be it is determined that target
Before the step of object, it is also possible to it is determined that after the step of target object, can also with the step of determining target object simultaneously
Carry out, in this regard, embodiment of the present invention and being not construed as limiting.
The distance value of step 204, the object that object features information and the target object match from the camera
It is defined as first object distance value.
In the step, the object that object features information and target object can match determines from the distance value of camera
It is first object distance value.
Step 205, according to the first object distance value, focused.
In the step, the first object distance value that can be determined according to step 204 is focused.Above-mentioned focusing is also referred to as to light
Or focus on, i.e., object distance and position apart are changed by the Focusing mechanism (such as focusing motor) of camera, it is imaged target object
Clearly process.Above-mentioned focus process can be that radar installations will get target object in the target range value of camera
The processor of mobile terminal is offered, focusing motor is pushed into corresponding position and is focused by mobile terminal according to the target range value
Imaging.
It should be noted that the shooting focusing method is not only adapted to the focusing during taking pictures, it is also adapted to image
Focusing in journey.
The shooting focusing method of the embodiment of the present invention, touch location according to user's touch operation determines target object,
And distance value of the target object from camera is obtained by radar installations, realize the focusing to target object.Due to radar installations
The information, its light intensity for not relying on environment such as distance value, orientation and the object features of target are obtained using electromagnetic wave.Can
See, the shooting focusing method of the embodiment of the present invention realizes the purpose that low light condition is accurately focused.Further, since radar installations is surveyed
Calculation speed is very fast, and is not only restricted to the influence of target range, and the embodiment of the present invention also has focusing speed fast, can grow away from focusing
Beneficial effect.Additionally, the embodiment of the present invention can also preferably meet the subjective demand of user, with more preferable Consumer's Experience.
3rd embodiment
Referring to Fig. 3, Fig. 3 is the flow chart of shooting focusing method provided in an embodiment of the present invention, as shown in figure 3, the method
The mobile terminal with radar installations and touch-screen is applied to, is comprised the following steps：
Step 301, after camera is started, when the touch operation to the touch-screen is detected, obtain the touch
The touch location of operation.
In the step, when camera is started, mobile terminal can control camera to gather the thing in coverage
The image of body, it is possible to which the image of collection is shown in imaging preview area.After camera is started, mobile terminal can be examined
Survey touch operation of the user to touch-screen, it is possible to obtain the touch location of the touch operation.
If step 302, the touch location are located at shooting button region, by the closest thing from the camera
Body is defined as target object.
In the step, when touch location is located at shooting button region, that is to say, that when user touches shooting button, meaning
Taste user and expects directly to shoot nearest object, and mobile terminal can will be defined as mesh from the closest object of camera
Mark object.
Here, shooting button region can refer to take pictures button or shooting button, or camera button or shooting key.
The embodiment of the present invention can realize the photographing request to some simple scenarios or auto heterodyne scene, and mobile terminal can not
Need the front and rear object particular location of acquisition camera front space, it is only necessary to the acquiescence object closest to camera front
Focused.
Step 303, by the radar installations obtain imaging preview area in each object with a distance from the camera
Value.
In the step, radar installations only obtains the distance value of all objects in coverage, then according to target
The locus of object further obtains the target range value of target object.
In embodiments of the present invention, as long as the locus of target object can unambiguously determine, for example, target object
It is the object nearest from camera, or target object is object farthest from camera, etc., it is possible to obtain target object
Target range value.
It should be noted that step 303 can be carried out when camera is started, the step can be it is determined that target
Before the step of object, it is also possible to it is determined that after the step of target object, can also with the step of determining target object simultaneously
Carry out, in this regard, embodiment of the present invention and being not construed as limiting.
Step 304, by the radar installations obtain lowest distance value be defined as the second target range value.
In the step, lowest distance value is defined as the second mesh in the distance value that can be obtained radar installations in step 303
Subject distance value.
Step 305, according to the second target range value, focused.
In the step, can be focused according to the second target range value determined in step 304.Above-mentioned focusing is also referred to as right
Light or focusing, i.e., change object distance and position apart by the Focusing mechanism (such as focusing motor) of camera, make target object into
As clearly process.Above-mentioned focus process can be that radar installations will get target range value of the target object from camera
Report the processor of mobile terminal, mobile terminal according to the target range value by focusing motor be pushed into corresponding position carry out it is right
Jiao's imaging.
It should be noted that the shooting focusing method is not only adapted to the focusing during taking pictures, it is also adapted to image
Focusing in journey.
The shooting focusing method of the embodiment of the present invention, touch location according to user's touch operation determines target object,
And distance value of the target object from camera is obtained by radar installations, realize the focusing to target object.Due to radar installations
The information, its light intensity for not relying on environment such as distance value, orientation and the object features of target are obtained using electromagnetic wave.Can
See, the shooting focusing method of the embodiment of the present invention realizes the purpose that low light condition is accurately focused.Further, since radar installations is surveyed
Calculation speed is very fast, and is not only restricted to the influence of target range, and the embodiment of the present invention also has focusing speed fast, can grow away from focusing
Beneficial effect.Additionally, the embodiment of the present invention can also preferably meet the subjective demand of user, with more preferable Consumer's Experience.
Fourth embodiment
Referring to Fig. 4, Fig. 4 is the structure chart of mobile terminal provided in an embodiment of the present invention, as shown in figure 4, mobile terminal 400
With radar installations, including determining module 401 and Focusing module 402, wherein it is determined that module 401 is connected with Focusing module 402.
Determining module 401, for after camera is started, determining target object；
Focusing module 402, for the target object that is obtained according to the radar installations from the camera target
Distance value, is focused.
Optionally, as shown in figure 5, the mobile terminal 400 also has touch-screen, the determining module 401 includes：
Acquisition submodule 4011, for after camera is started, when the touch operation to the touch-screen is detected, obtaining
Take the touch location of the touch operation；
First determination sub-module 4012, for according to the touch location, determining target object.
Optionally, first determination sub-module 4012 specifically for：If the touch location is located at shooting button region
Outside imaging preview area, then will it is described imaging preview area in be located at the touch location image as target image,
And object corresponding with the target image is defined as target object.
Optionally, first determination sub-module 4012 specifically for：If the touch location is located at shooting button region,
The closest object from the camera is then defined as target object.
Optionally, as shown in fig. 6, mobile terminal 400 also includes：
First acquisition module 403, for by the radar installations obtain imaging preview area in each object from described
The distance value of camera and corresponding object features information；
The Focusing module 402 includes：
Second determination sub-module 4021, for object that object features information matches with the target object from described
The distance value of camera is defined as first object distance value；
First focusing submodule 4022, for according to the first object distance value, being focused.
Optionally, as shown in fig. 7, mobile terminal 400 also includes：
Second acquisition module 404, for by the radar installations obtain imaging preview area in each object from described
The distance value of camera；
The Focusing module 402 includes：
3rd determination sub-module 4023, for by the lowest distance value that the radar installations is obtained be defined as the second target away from
From value；
Second focusing submodule 4024, for according to the second target range value, being focused.
Mobile terminal 400 can realize each process that terminal is realized in the embodiment of the method for Fig. 1 to Fig. 3, to avoid weight
It is multiple, repeat no more here.
The mobile terminal 400 of the embodiment of the present invention, after camera is started, determines target object；According to the radar
The target object that device is obtained is focused from the target range value of the camera.Because radar installations utilizes electromagnetism
Ripple obtains the information, its light intensity for not relying on environment such as distance value, orientation and the object features of target.It can be seen that, the present invention
Embodiment realizes the purpose that low light condition is accurately focused.Further, since radar installations measuring and calculating speed is very fast, and it is not only restricted to
The influence of target range, the embodiment of the present invention also has focusing speed fast, can grow the beneficial effect away from focusing.
5th embodiment
Referring to Fig. 8, Fig. 8 is the structure chart of the mobile terminal that the present invention implements offer, as shown in figure 8, mobile terminal 800 is wrapped
Include：At least one processor 801 and memory 802, at least one network interface 804 and user interface 803, at least one radar
Device 806, at least one camera 807.Each component in mobile terminal 800 is coupled by bus system 805.Can
Understand, bus system 805 is used to realize the connection communication between these components.Bus system 805 in addition to including data/address bus,
Also include power bus, controlling bus and status signal bus in addition.But for the sake of for clear explanation, in fig. 8 by various buses
All it is designated as bus system 805.
Wherein, user interface 803 can include display, keyboard or pointing device (for example, mouse, trace ball
(trackball), touch-sensitive plate or touch-screen etc..
It is appreciated that the memory 802 in the embodiment of the present invention can be volatile memory or nonvolatile memory,
Or may include both volatibility and nonvolatile memory.Wherein, nonvolatile memory can be read-only storage (Read-
Only Memory, ROM), programmable read only memory (Programmable ROM, PROM), the read-only storage of erasable programmable
Device (Erasable PROM, EPROM), Electrically Erasable Read Only Memory (Electrically EPROM, EEPROM) or
Flash memory.Volatile memory can be random access memory (Random Access Memory, RAM), and it is used as outside height
Speed caching.By exemplary but be not restricted explanation, the RAM of many forms can use, such as static RAM
(Static RAM, SRAM), dynamic random access memory (Dynamic RAM, DRAM), Synchronous Dynamic Random Access Memory
(Synchronous DRAM, SDRAM), double data speed synchronous dynamic RAM (Double Data Rate
SDRAM, DDRSDRAM), enhanced Synchronous Dynamic Random Access Memory (Enhanced SDRAM, ESDRAM), synchronized links
Dynamic random access memory (Synchlink DRAM, SLDRAM) and direct rambus random access memory
(DirectRambus RAM, DRRAM).The memory 802 of system and method described herein be intended to including but not limited to these
With the memory of any other suitable type.
In some embodiments, memory 802 stores following element, can perform module or data structure, or
Person their subset, or their superset：Operating system 8021 and application program 8022.
Wherein, operating system 8021, comprising various system programs, such as ccf layer, core library layer, driving layer etc. are used for
Realize various basic businesses and process hardware based task.Application program 8022, comprising various application programs, such as media
Player (Media Player), browser (Browser) etc., for realizing various applied business.Realize the embodiment of the present invention
The program of method may be embodied in application program 8022.
In embodiments of the present invention, by the program for calling memory 802 to store or instruction, specifically, can be application
The program stored in program 8022 or instruction, processor 801 are used for：After camera 807 is started, target object is determined；Root
According to the target object of the acquisition of the radar installations 806 from the target range value of the camera, focused.
The method that the embodiments of the present invention are disclosed can apply in processor 801, or be realized by processor 801.
Processor 801 is probably a kind of IC chip, the disposal ability with signal.In implementation process, the above method it is each
Step can be completed by the instruction of the integrated logic circuit of the hardware in processor 801 or software form.Above-mentioned treatment
Device 801 can be general processor, digital signal processor (Digital Signal Processor, DSP), special integrated electricity
Road (Application Specific Integrated Circuit, ASIC), ready-made programmable gate array (Field
Programmable Gate Array, FPGA) or other PLDs, discrete gate or transistor logic,
Discrete hardware components.Can realize or perform disclosed each method in the embodiment of the present invention, step and logic diagram.It is general
Processor can be microprocessor or the processor can also be any conventional processor etc..With reference to embodiment of the present invention institute
The step of disclosed method, can be embodied directly in hardware decoding processor and perform completion, or with the hardware in decoding processor
And software module combination performs completion.Software module may be located at random access memory, and flash memory, read-only storage may be programmed read-only
In the ripe storage medium in this area such as memory or electrically erasable programmable memory, register.The storage medium is located at
Memory 802, processor 801 reads the information in memory 802, with reference to the step of its hardware completion above method.
It is understood that embodiments described herein can with hardware, software, firmware, middleware, microcode or its
Combine to realize.Realized for hardware, processing unit can be realized in one or more application specific integrated circuits (Application
Specific Integrated Circuits, ASIC), digital signal processor (Digital Signal Processing,
DSP), digital signal processing appts (DSP Device, DSPD), programmable logic device (Programmable Logic
Device, PLD), field programmable gate array (Field-Programmable Gate Array, FPGA), general processor,
In controller, microcontroller, microprocessor, other electronic units for performing herein described function or its combination.
Realized for software, can be realized by performing the module (such as process, function etc.) of function described herein herein
Described technology.Software code is storable in memory and by computing device.Memory can within a processor or
Realize processor outside.
Optionally, processor 801 is additionally operable to：The mobile terminal also has touch-screen；When detecting to the touch-screen
Touch operation, obtain the touch location of the touch operation；According to the touch location, target object is determined.
Optionally, processor 801 is additionally operable to：If the touch location is located at the imaging preview region outside shooting button region
Domain, then will be located at the image of the touch location as target image in the imaging preview area, and will be with the target figure
As corresponding object is defined as target object.
Optionally, processor 801 is additionally operable to：If the touch location is located at shooting button region, will be from the shooting
First 807 closest object is defined as target object.
Optionally, processor 801 is additionally operable to：Obtained by the radar installations 806 and be imaged each object in preview area
From the distance value and corresponding object features information of the camera 807；By object features information and the object body phase
The object matched somebody with somebody is defined as first object distance value from the distance value of the camera 807；According to the first object distance value, enter
Row focusing.
Optionally, processor 801 is additionally operable to：Obtained by the radar installations 806 and be imaged each object in preview area
From the distance value of the camera 807；The lowest distance value that the radar installations 806 is obtained is defined as the second target range
Value；According to the second target range value, focused.
Mobile terminal 800 can realize each process of mobile terminal realization in previous embodiment, to avoid repeating, here
Repeat no more.
The mobile terminal 800 of the embodiment of the present invention, after camera is started, determines target object；According to the radar
The target object that device is obtained is focused from the target range value of the camera.Because radar installations utilizes electromagnetism
Ripple obtains the information, its light intensity for not relying on environment such as distance value, orientation and the object features of target.It can be seen that, the present invention
Embodiment realizes the purpose that low light condition is accurately focused.Further, since radar installations measuring and calculating speed is very fast, and it is not only restricted to
The influence of target range, the embodiment of the present invention also has focusing speed fast, can grow the beneficial effect away from focusing.
Sixth embodiment
Fig. 9 is referred to, Fig. 9 is the structure chart of the mobile terminal that the present invention implements offer, as shown in figure 9, mobile terminal 900
Including radio frequency (Radio Frequency, RF) circuit 910, memory 920, input block 930, display unit 940, processor
950th, voicefrequency circuit 960, communication module 970, power supply 980, radar installations 990, camera 1010.
Wherein, input block 930 can be used to receive the numeral or character information of user input, and produce and mobile terminal
900 user is set and the relevant signal input of function control.Specifically, in the embodiment of the present invention, the input block 930 can
With including contact panel 931.Contact panel 931, also referred to as touch-screen, can collect user thereon or neighbouring touch operation
(such as user uses the operations of any suitable object or annex on contact panel 931 such as finger, stylus), and according to advance
The formula of setting drives corresponding attachment means.Optionally, contact panel 931 may include touch detecting apparatus and touch controller
Two parts.Wherein, touch detecting apparatus detect the touch orientation of user, and detect the signal that touch operation brings, by signal
Send touch controller to；Touch controller receives touch information from touch detecting apparatus, and is converted into contact coordinate,
Give the processor 950 again, and the order sent of receiving processor 950 and can be performed.Furthermore, it is possible to using resistance-type,
The polytypes such as condenser type, infrared ray and surface acoustic wave realize contact panel 931.Except contact panel 931, input block
930 can also include other input equipments 932, and other input equipments 932 can include but is not limited to physical keyboard, function key
One or more in (such as volume control button, switch key etc.), trace ball, mouse, action bars etc..
Wherein, display unit 940 can be used for display by the information of user input or be supplied to the information and terminal of user
900 various menu interfaces.Display unit 940 may include display panel 941, optionally, can use LCD or organic light emission two
The forms such as pole pipe (Organic Light-Emitting Diode, OLED) configure display panel 941.
It should be noted that contact panel 931 can cover display panel 941, touch display screen is formed, when touch display screen inspection
Measure thereon or after neighbouring touch operation, processor 950 is sent to determine the type of touch event, with preprocessor
950 provide corresponding visual output according to the type of touch event in touch display screen.
Touch display screen includes Application Program Interface viewing area and conventional control viewing area.The Application Program Interface viewing area
And the arrangement mode of the conventional control viewing area is not limited, can be arranged above and below, left-right situs etc. can distinguish two and show
Show the arrangement mode in area.The Application Program Interface viewing area is displayed for the interface of application program.Each interface can be with
The interface element such as the icon comprising at least one application program and/or widget desktop controls.The Application Program Interface viewing area
It can also be the empty interface not comprising any content.The conventional control viewing area be used for show utilization rate control higher, for example,
Application icons such as settings button, interface numbering, scroll bar, phone directory icon etc..
Wherein processor 950 is the control centre of mobile terminal 900, using various interfaces and connection whole mobile phone
Various pieces, by running or performing software program and/or module of the storage in first memory 921, and call storage
Data in second memory 922, perform the various functions and processing data of mobile terminal 900, so as to mobile terminal 900
Carry out integral monitoring.Optionally, processor 950 may include one or more processing units.
In embodiments of the present invention, by call store the first memory 921 in software program and/or module and/
Or the data in the second memory 922, processor 950 is used for：After camera 1010 is started, target object is determined；Root
According to the target object of the acquisition of the radar installations 990 from the target range value of the camera 1010, focused.
Optionally, processor 950 is additionally operable to：The mobile terminal also has touch-screen；When detecting to the touch-screen
Touch operation, obtain the touch location of the touch operation；According to the touch location, target object is determined.
Optionally, processor 950 is additionally operable to：If the touch location is located at the imaging preview region outside shooting button region
Domain, then will be located at the image of the touch location as target image in the imaging preview area, and will be with the target figure
As corresponding object is defined as target object.
Optionally, processor 950 is additionally operable to：If the touch location is located at shooting button region, will be from the shooting
The closest object of head is defined as target object.
Optionally, processor 950 is additionally operable to：Obtained by the radar installations 990 and be imaged each object in preview area
From the distance value and corresponding object features information of the camera 1010；By object features information and the object body phase
The object matched somebody with somebody is defined as first object distance value from the distance value of the camera 1010；According to the first object distance value,
Focused.
Optionally, processor 950 is additionally operable to：Obtained by the radar installations 990 and be imaged each object in preview area
From the distance value of the camera 1010；The lowest distance value that the radar installations 990 is obtained is defined as the second target range
Value；According to the second target range value, focused.
Mobile terminal 900 can realize each process of mobile terminal realization in previous embodiment, to avoid repeating, here
Repeat no more.
The mobile terminal 900 of the embodiment of the present invention, distance value of the target object from camera is obtained by radar installations, then
Focusing to target object is realized according to the distance value.Distance value, the orientation of target are obtained using electromagnetic wave due to radar installations
And the information, its light intensity for not relying on environment such as object features.It can be seen that, it is accurate that the embodiment of the present invention realizes low light condition
The purpose of focusing.Further, since radar installations measuring and calculating speed is very fast, and is not only restricted to the influence of target range, the present invention is real
Applying example also has focusing speed fast, can grow the beneficial effect away from focusing.
Those of ordinary skill in the art are it is to be appreciated that the list of each example described with reference to the embodiments described herein
Unit and algorithm steps, can be realized with the combination of electronic hardware or computer software and electronic hardware.These functions are actually
Performed with hardware or software mode, depending on the application-specific and design constraint of technical scheme.Professional and technical personnel
Described function, but this realization can be realized it is not considered that exceeding using distinct methods to each specific application
The scope of the present invention.
It is apparent to those skilled in the art that, for convenience and simplicity of description, the system of foregoing description,
The specific work process of mobile terminal and unit, may be referred to the corresponding process in preceding method embodiment, will not be repeated here.
In embodiment provided herein, it should be understood that disclosed mobile terminal and method, can be by it
Its mode is realized.For example, mobile terminal embodiment described above is only schematical, for example, the unit is drawn
Point, only a kind of division of logic function can have other dividing mode when actually realizing, such as multiple units or component can
To combine or be desirably integrated into another system, or some features can be ignored, or not perform.It is another, it is shown or beg for
The coupling each other of opinion or direct-coupling or communication connection can be by some interfaces, mobile terminal or unit it is indirect
Coupling is communicated to connect, and can be electrical, mechanical or other forms.
The unit that is illustrated as separating component can be or may not be it is physically separate, it is aobvious as unit
The part for showing can be or may not be physical location, you can with positioned at a place, or can also be distributed to multiple
On NE.Some or all of unit therein can be according to the actual needs selected to realize embodiment of the present invention scheme
Purpose.
In addition, during each functional unit in each embodiment of the invention can be integrated in a processing unit, it is also possible to
It is that unit is individually physically present, it is also possible to which two or more units are integrated in a unit.
If the function is to realize in the form of SFU software functional unit and as independent production marketing or when using, can be with
Storage is in a computer read/write memory medium.Based on such understanding, technical scheme is substantially in other words
The part contributed to prior art or the part of the technical scheme can be embodied in the form of software product, the meter
Calculation machine software product is stored in a storage medium, including some instructions are used to so that a computer equipment (can be individual
People's computer, server, or network equipment etc.) perform all or part of step of each embodiment methods described of the invention.
And foregoing storage medium includes：USB flash disk, mobile hard disk, ROM, RAM, magnetic disc or CD etc. are various can be with store program codes
Medium.
The above, specific embodiment only of the invention, but protection scope of the present invention is not limited thereto, and it is any
Those familiar with the art the invention discloses technical scope in, change or replacement can be readily occurred in, should all contain
Cover within protection scope of the present invention.Therefore, protection scope of the present invention should be defined by scope of the claims.
Claims (12)
1. it is a kind of to shoot focusing method, it is characterised in that to be applied to the mobile terminal with radar installations, including：
After camera is started, target object is determined；
The target object according to radar installations acquisition is focused from the target range value of the camera.
2. method according to claim 1, it is characterised in that the mobile terminal also has touch-screen；
The determination target object, including：
When the touch operation to the touch-screen is detected, the touch location of the touch operation is obtained；
According to the touch location, target object is determined.
3. method according to claim 2, it is characterised in that described according to the touch location, determines target object, wraps
Include：
If the touch location is located at the imaging preview area outside shooting button region, by the imaging preview area middle position
In the touch location image as target image, and object corresponding with the target image is defined as target object.
4. method according to claim 2, it is characterised in that described according to the touch location, determines target object, wraps
Include：
If the touch location is located at shooting button region, the closest object from the camera is defined as target
Object.
5. the method according to claim 3 or 4, it is characterised in that described according to the radar installations is obtained
Target object from the target range value of the camera, the step of focused before, also include：
By the radar installations obtain imaging preview area in each object from the camera distance value and corresponding thing
Body characteristicses information；
The target object obtained according to the radar installations is focused from the target range value of the camera,
Including：
The object that object features information and the target object match is defined as the first mesh from the distance value of the camera
Subject distance value；
According to the first object distance value, focused.
6. method according to claim 4, it is characterised in that in the target obtained according to the radar installations
Object from the target range value of the camera, the step of focused before, also include：
By the radar installations obtain imaging preview area in each object from the camera distance value；
The target object obtained according to the radar installations is focused from the target range value of the camera,
Including：
The lowest distance value that the radar installations is obtained is defined as the second target range value；
According to the second target range value, focused.
7. a kind of mobile terminal, it is characterised in that with radar installations, including：
Determining module, for after camera is started, determining target object；
Focusing module, for the target object that is obtained according to the radar installations from the camera target range value,
Focused.
8. mobile terminal according to claim 7, it is characterised in that the mobile terminal also has touch-screen；
The determining module includes：
Acquisition submodule, for after camera is started, when the touch operation to the touch-screen is detected, obtains described touching
Touch the touch location of operation；
First determination sub-module, for according to the touch location, determining target object.
9. mobile terminal according to claim 8, it is characterised in that first determination sub-module specifically for：If institute
Imaging preview area of the touch location outside shooting button region is stated, then will be located at described touching in the imaging preview area
The image of position is touched as target image, and object corresponding with the target image is defined as target object.
10. mobile terminal according to claim 8, it is characterised in that first determination sub-module specifically for：If institute
Touch location is stated positioned at shooting button region, then the closest object from the camera is defined as target object.
11. mobile terminal according to claim 9 or 10, it is characterised in that also include：
First acquisition module, for by the radar installations obtain imaging preview area in each object from the camera
Distance value and corresponding object features information；
The Focusing module includes：
Second determination sub-module, for object that object features information and the target object match from the camera
Distance value is defined as first object distance value；
First focusing submodule, for according to the first object distance value, being focused.
12. mobile terminals according to claim 10, it is characterised in that also include：
Second acquisition module, for by the radar installations obtain imaging preview area in each object from the camera
Distance value；
The Focusing module includes：
3rd determination sub-module, for the lowest distance value that the radar installations is obtained to be defined as into the second target range value；
Second focusing submodule, for according to the second target range value, being focused.
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| CN106791375B (en) | 2019-10-15 |
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