CN107395997A - A kind of image pickup method and mobile terminal - Google Patents
A kind of image pickup method and mobile terminal Download PDFInfo
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- CN107395997A CN107395997A CN201710712237.6A CN201710712237A CN107395997A CN 107395997 A CN107395997 A CN 107395997A CN 201710712237 A CN201710712237 A CN 201710712237A CN 107395997 A CN107395997 A CN 107395997A
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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
- H04N23/70—Circuitry for compensating brightness variation in the scene
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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
- H04N23/70—Circuitry for compensating brightness variation in the scene
- H04N23/741—Circuitry for compensating brightness variation in the scene by increasing the dynamic range of the image compared to the dynamic range of the electronic image sensors
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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
- H04N23/95—Computational photography systems, e.g. light-field imaging systems
- H04N23/951—Computational photography systems, e.g. light-field imaging systems by using two or more images to influence resolution, frame rate or aspect ratio
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- Engineering & Computer Science (AREA)
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- Computing Systems (AREA)
- Theoretical Computer Science (AREA)
- Studio Devices (AREA)
Abstract
The present invention, which provides a kind of image pickup method and mobile terminal, the image pickup method, to be included：Monitor the reference object in shooting preview interface；If monitoring in shooting preview interface while Moving Objects and stationary objects be present, and shooting instruction is received, be then exposed respectively using the first time for exposure and the second time for exposure, generate the first image and the second image；Image synthesis, target image of the generation comprising the Moving Objects and the stationary objects are carried out to described first image and second image；Wherein, image-region where the Moving Objects is exposed using first time for exposure, and the first time for exposure was short exposure time, so as to avoid the fuzzy of Moving Objects, is made the Moving Objects in target image clear, is lifted picture quality；Image-region where the stationary objects is exposed using second time for exposure；Second time for exposure was the long time for exposure, so as to reduce the noise of stationary objects, lifted picture quality.
Description
Technical field
The present invention relates to communication technical field, more particularly to a kind of image pickup method and mobile terminal.
Background technology
It is very important function that motion, which is taken pictures with video record, but current mobile terminal high-speed motion is taken pictures and recorded a video
Function user experience is not high.The problem of typical is that motion blur or noise are too high.
Motion is taken pictures with during video record, and shortening the time for exposure is obscured to reduce moving object, but to be paid
The cost gone out is to improve stationary object noise.It is existing motion take pictures with video record technology find motion blur and
Appropriate compromise, the problem of motion blur and high noise being present with video record therefore current motion is taken pictures between strong noise.
The content of the invention
The embodiment of the present invention provides a kind of image pickup method and mobile terminal, is taken pictures and video with solving motion in the prior art
The problem of motion blur and high noise be present in video recording.
On the one hand, the embodiment of the present invention provides a kind of image pickup method, and applied to mobile terminal, the image pickup method includes：
Monitor the reference object in shooting preview interface；
If monitoring in shooting preview interface while Moving Objects and stationary objects be present, and shooting instruction is received, then
It is exposed respectively using the first time for exposure and the second time for exposure, generates the first image and the second image；
Carry out image synthesis to described first image and second image, generation includes Moving Objects and described quiet
The only target image of object；
Wherein, image-region where the Moving Objects is exposed using first time for exposure, described static right
As place image-region was exposed using second time for exposure；When first time for exposure is less than the described second exposure
Between.
On the other hand, the embodiment of the present invention also provides a kind of mobile terminal, and the mobile terminal includes：
Monitoring modular, for monitoring the reference object in shooting preview interface；
Exposure-processed module, if for monitoring in shooting preview interface while Moving Objects and stationary objects being present, and
Shooting instruction is received, then is exposed respectively using the first time for exposure and the second time for exposure, generates the first image and the
Two images；
Synthesis module, for carrying out image synthesis to described first image and second image, generation includes the fortune
The target image of dynamic object and the stationary objects；
Wherein, image-region where the Moving Objects is exposed using first time for exposure, described static right
As place image-region was exposed using second time for exposure；When first time for exposure is less than the described second exposure
Between.
On the other hand, the embodiment of the present invention also provides a kind of mobile terminal, including processor, memory and is stored in described
On memory and the computer program that can run on the processor, the computer program is by real during the computing device
Now the step of image pickup method as described above.
On the other hand, the embodiment of the present invention also provides a kind of computer-readable recording medium, the computer-readable storage
Computer program is stored with medium, the computer program realizes the step of image pickup method as described above when being executed by processor
Suddenly.
So, in the above-mentioned technical proposal of the embodiment of the present invention, distinguished by the first time for exposure and the second time for exposure
Photographed scene is exposed, then the first image obtained to exposure and the second image are synthesized to obtain target image；One side
Face, image-region where Moving Objects is exposed using the first time for exposure in target image, and the first time for exposure was
Short exposure time, so as to avoid the fuzzy of Moving Objects, make the Moving Objects in target image clear, lift image matter
Amount；On the other hand, image-region where the stationary objects in target image is exposed using the second time for exposure, and second
Time for exposure is the long time for exposure, so as to reduce the noise of stationary objects, lifts picture quality.
Brief description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below by institute in the description to the embodiment of the present invention
The accompanying drawing needed to use is briefly described, it should be apparent that, drawings in the following description are only some implementations of the present invention
Example, for those of ordinary skill in the art, without having to pay creative labor, can also be according to these accompanying drawings
Obtain other accompanying drawings.
Fig. 1 represents the step flow chart of image pickup method provided in an embodiment of the present invention；
Fig. 2 represents one of structural representation of mobile terminal provided in an embodiment of the present invention；
Fig. 3 represents the two of the structural representation of mobile terminal provided in an embodiment of the present invention；
Fig. 4 represents the three of the structural representation of mobile terminal provided in an embodiment of the present invention；
Fig. 5 represents the four of the structural representation of mobile terminal provided in an embodiment of the present invention；
Fig. 6 represents the five of the structural representation of mobile terminal provided in an embodiment of the present invention.
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 describes, it is clear that described embodiment is part of the embodiment of the present invention, rather than whole embodiments.Based on this hair
Embodiment in bright, the every other implementation that those of ordinary skill in the art are obtained under the premise of creative work is not made
Example, belongs to the scope of protection of the invention.
As shown in figure 1, the embodiment of the present invention provides a kind of image pickup method, applied to mobile terminal, the image pickup method bag
Include：
Step 101, the reference object in shooting preview interface is monitored.
In this step, mobile terminal at least has a camera, by least one camera of application program launching, leads to
Cross the camera started and monitor reference object in the shooting preview interface of the camera.
Step 102, if monitoring in shooting preview interface while Moving Objects and stationary objects be present, and shooting is received
Instruction, then be exposed respectively using the first time for exposure and the second time for exposure, generates the first image and the second image.
In this step, on Moving Objects and stationary objects monitoring can by contrast continuous multiframe preview image come
It is determined that it is not especially limited herein.
Specifically, first time for exposure is less than second time for exposure, i.e. when the first time for exposure is short exposure
Between, and the second time for exposure was the long time for exposure.As a rule, because the first image is using (the i.e. short exposure of the first time for exposure
Between light time) be exposed obtained image, then the noise of the stationary objects on the first image is generally large, and on the first image
Moving Objects it is more visible；Simultaneously because the second image is to be exposed to obtain using the second time for exposure (i.e. long time for exposure)
Image, then the Moving Objects on the second image are relatively fuzzy, and the stationary objects noise on the second image is smaller.
Step 103, image synthesis is carried out to described first image and second image, generation includes the Moving Objects
With the target image of the stationary objects；Wherein, image-region where the Moving Objects is entered using first time for exposure
Row exposure, image-region where the stationary objects are exposed using second time for exposure.
In order that mobile terminal shoots that Moving Objects are more visible in obtained image and stationary objects noise is smaller, this step
Suddenly image synthesis is carried out to the first image and the second image using preset algorithm so that image where Moving Objects in target image
Region is exposed using first time for exposure, and the first time for exposure was short exposure time, so as to avoid motion pair
Obscuring for elephant, makes the Moving Objects in target image clear, lifts picture quality；Cause stationary objects institute in target image simultaneously
It is exposed in image-region using second time for exposure, the second time for exposure was the long time for exposure, so as to reduce
The noise of stationary objects, lift picture quality；So as to improve user's visual experience.
It should be noted that above-mentioned steps 102 and step 103 are backstage (such as the image processor of mobile terminal
ISP) the process performed, in practical application, after terminal user triggers shooting instruction, the image that terminal can obtain is above-mentioned mesh
Logo image, the exposure process of its target image, building-up process etc. need not show terminal user, further lift user's vision body
Test.
Further, in the above embodiment of the present invention before step 102, methods described also includes：
Determine the first time for exposure of the Moving Objects；That is the first time for exposure is short exposure corresponding with Moving Objects
Time.
Obtain the second time for exposure of the default stationary objects；That is the second time for exposure is corresponding with stationary objects
The long time for exposure.
It should be noted that the second time for exposure of stationary objects is that mobile terminal is pre-set, it can be mobile whole
Bring out being set during factory or that user is set manually, can also be time for exposure that the terminal last time uses etc., herein
It is not especially limited.
Further, in the above embodiment of the present invention, the step of first time for exposure for determining the Moving Objects
Suddenly, including：
Obtain the current kinetic speed of the Moving Objects；
Determine target velocity section corresponding to the current kinetic speed；
According to default speed interval and the corresponding relation of time for exposure, during by being exposed corresponding to the target velocity section
Between be defined as the first time for exposure of the Moving Objects.
In the above embodiment of the present invention, the current kinetic speed of Moving Objects is detected by mobile terminal, such as is examined
The displacement of preset time period Moving Objects is surveyed, so as to calculate movement velocity；Or moved according on continuous multiple frames preview image
The current kinetic speed of Moving Objects is estimated in the position of object, is not especially limited herein.
Preferably, in order to avoid the first time for exposure caused power consumption of terminal to increase in change always, in the embodiment of the present invention
Speed interval and the corresponding relation of time for exposure are pre-set, such as the time for exposure corresponding to speed interval [V1, V2] is t1；Speed
Spend section (V2, V3] corresponding to the time for exposure be t2；Speed interval for (V3, V4] corresponding to the time for exposure be t3 etc., herein not
Enumerate one by one.
After terminal determines the current kinetic speed of Moving Objects, judge which speed interval it is in, and determine and be somebody's turn to do
Time for exposure corresponding to speed interval is the first time for exposure of the Moving Objects.For example, the current kinetic speed of Moving Objects
For 5km/h, if 5km/h falls between speed interval [V1, V2], then the first time for exposure of the Moving Objects is t1.
It should be noted that the setting of speed interval and the corresponding relation of time for exposure need to meet to utilize the time for exposure pair
Moving Objects in the speed interval, which are exposed, can reduce the fuzzy of Moving Objects, i.e., using the time for exposure to the speed
Moving Objects in section are exposed obtained Moving Objects clearly；The setting of its occurrence can pass through test of many times number
According to obtaining, no further details to be given herein.
Further, step 103 includes in the above embodiment of the present invention：
Moving Objects image-region is extracted from described first image；
Stationary objects image-region is extracted from second image；
The Moving Objects image-region and the stationary objects image-region are subjected to image synthesis, generation is comprising described
The target image of Moving Objects and the stationary objects.
In order that mobile terminal shoots that Moving Objects are more visible in obtained image and stationary objects noise is smaller, this step
Suddenly image synthesis is carried out to the first image and the second image using preset algorithm, specifically, the extraction motion pair from the first image
As image-region, the Moving Objects image-region is exposed processing using the first time for exposure and obtained, so as to keep away
Exempt from the fuzzy of Moving Objects, make the Moving Objects in target image clear, lift picture quality；And extracted from the second image quiet
Only object image area, the stationary objects image-region are exposed processing using the second time for exposure and obtained, so as to
To reduce the noise of stationary objects, picture quality is lifted；Preferably, image-region where Moving Objects uses institute in target image
Stating for the first time for exposure is exposed, and the first time for exposure was short exposure time, so as to avoid the fuzzy of Moving Objects, makes
Moving Objects in target image are clear, lift picture quality；Cause image-region where stationary objects in target image simultaneously
It is exposed using second time for exposure, the second time for exposure was the long time for exposure, so as to reduce stationary objects
Noise, lift picture quality；So as to improve user's visual experience.
It should be noted that the image pickup method that the above embodiment of the present invention provides not only goes for taking pictures in application,
It can be applicable in video record application.If specifically, the shooting instruction is photographing instruction, the target image is response
Image captured by the photographing instruction；Take pictures to apply that the target image can be preserved (can protect according to acquiescence approach
Deposit to picture library, user can also be responded and operate the position for preserving to user and wanting storage), the target image can also be compiled
Volume etc., it is not especially limited herein.
If the shooting instruction instructs for video record, the target image is to respond captured by the video record instruction
Video in a two field picture；If also Moving Objects and stationary objects be present simultaneously in next frame preview interface, according to this hair
The above method of bright embodiment generates next two field picture；If next frame preview interface only exist Moving Objects or only exist it is static right
As then generating next two field picture according to existing flow and (being exposed processing generation next frame for example with a time for exposure
Image), no further details to be given herein.
To sum up, the above embodiment of the present invention is entered to photographed scene respectively by the first time for exposure and the second time for exposure
Row exposure, then the first image obtained to exposure and the second image are synthesized to obtain target image；On the one hand, in target image
Image-region where Moving Objects is exposed using the first time for exposure, and the first time for exposure was short exposure time, from
And the fuzzy of Moving Objects can be avoided, make the Moving Objects in target image clear, lift picture quality；On the other hand, mesh
Image-region where stationary objects in logo image is exposed using the second time for exposure, and the second time for exposure exposed to be long
Between light time, so as to reduce the noise of stationary objects, picture quality is lifted.
As shown in Fig. 2 the embodiment of the present invention also provides a kind of mobile terminal 200, the mobile terminal includes：
Monitoring modular 201, for monitoring the reference object in shooting preview interface；
Exposure-processed module 202, if for monitoring in shooting preview interface while Moving Objects and stationary objects being present,
And receive shooting instruction, then be exposed respectively using the first time for exposure and the second time for exposure, generation the first image and
Second image；
Synthesis module 203, for carrying out image synthesis to described first image and second image, generation is comprising described
The target image of Moving Objects and the stationary objects；
Wherein, image-region where the Moving Objects is exposed using first time for exposure, described static right
As place image-region was exposed using second time for exposure；When first time for exposure is less than the described second exposure
Between.
Preferably, in the above embodiment of the present invention, as shown in figure 3, the mobile terminal 200 also includes：
Time for exposure determining module 204, for determining the first time for exposure of the Moving Objects；
Time for exposure acquisition module 205, for obtaining the second time for exposure of the default stationary objects.
Preferably, in the above embodiment of the present invention, as shown in figure 3, the time for exposure determining module 204 includes：
Speed determination sub-module 2041, for obtaining the current kinetic speed of the Moving Objects；
Section determination sub-module 2042, for determining target velocity section corresponding to the current kinetic speed；
Time for exposure determination sub-module 2043, will for the corresponding relation according to default speed interval and time for exposure
Time for exposure corresponding to the target velocity section is defined as the first time for exposure of the Moving Objects.
Preferably, in the above embodiment of the present invention, as shown in figure 3, the synthesis module 203 includes：
First extracting sub-module 2031, for extracting Moving Objects image-region from described first image；
Second extracting sub-module 2032, for extracting stationary objects image-region from second image；
Submodule 2033 is synthesized, for the Moving Objects image-region and the stationary objects image-region to be carried out into figure
As synthesis, target image of the generation comprising the Moving Objects and the stationary objects.
Preferably, in the above embodiment of the present invention, if the shooting instruction is photographing instruction, the target image is sound
Answer the image captured by the photographing instruction；
If the shooting instruction instructs for video record, the target image is to respond captured by the video record instruction
Video in a two field picture.
To sum up, the above embodiment of the present invention is entered to photographed scene respectively by the first time for exposure and the second time for exposure
Row exposure, then the first image obtained to exposure and the second image are synthesized to obtain target image；On the one hand, in target image
Image-region where Moving Objects is exposed using the first time for exposure, and the first time for exposure was short exposure time, from
And the fuzzy of Moving Objects can be avoided, make the Moving Objects in target image clear, lift picture quality；On the other hand, mesh
Image-region where stationary objects in logo image is exposed using the second time for exposure, and the second time for exposure exposed to be long
Between light time, so as to reduce the noise of stationary objects, picture quality is lifted.
It should be noted that mobile terminal provided in an embodiment of the present invention is that by the mobile end of above-mentioned image pickup method
End, then all embodiments of above-mentioned image pickup method are applied to the mobile terminal, and can reach identical beneficial effect.
The embodiment of the present invention provides a kind of mobile terminal, as shown in figure 4, including processor 400, memory 410, Yong Hujie
Mouthfuls 420 and it is stored in the computer program that can be run on the memory 410 and on the processor 400, the computer
Program realizes each process of image pickup method embodiment as described above when being performed by the processor 400, and can reach identical
Technique effect, to avoid repeating, repeat no more here.
The embodiment of the present invention also provides a kind of computer-readable recording medium, is stored on the computer-readable recording medium
There is computer program, the computer program realizes each mistake of image pickup method embodiment as described above when being executed by processor
Journey, and identical technique effect can be reached, to avoid repeating, repeat no more here.Wherein, described computer-readable storage medium
Matter, such as read-only storage (Read-Only Memory, abbreviation ROM), random access memory (Random Access
Memory, abbreviation RAM), magnetic disc or CD etc..
Fig. 5 is another block diagram of the mobile terminal of the embodiment of the present invention.Mobile terminal 500 shown in Fig. 5 includes：At least
One processor 501, memory 502, at least one network interface 504 and other users interface 503.In mobile terminal 500
Each component is coupled by bus system 505.It is understood that bus system 505 is used to realize the company between these components
Connect letter.Bus system 505 is in addition to including data/address bus, in addition to power bus, controlling bus and status signal bus in addition.But
It is for the sake of clear explanation, various buses is all designated as bus system 505 in Figure 5.
Wherein, user interface 503 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 502 in the embodiment of the present invention can be volatile memory or nonvolatile memory,
Or it 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 high
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 (Synch link DRAM, SLDRAM) and direct rambus random access memory (Direct
Ram bus RAM, DRRAM).The memory 502 of system and method described herein be intended to including but not limited to these and it is any
The memory of other suitable types.
In some embodiments, memory 502 stores following element, can perform module or data structure, or
Their subset of person, or their superset：Operating system 5021 and application program 5022.
Wherein, operating system 5021, comprising various system programs, such as ccf layer, core library layer, driving layer etc., it is used for
Realize various basic businesses and the hardware based task of processing.Application program 5022, include 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 5022.
In embodiments of the present invention, mobile terminal 500 also includes：It is stored on memory 502 and can be on processor 501
The computer program of operation, computer program realize following steps when being performed by processor 501：Monitor in shooting preview interface
Reference object；If monitoring in shooting preview interface while Moving Objects and stationary objects be present, and shooting instruction is received, then
It is exposed respectively using the first time for exposure and the second time for exposure, generates the first image and the second image；To described first
Image and second image carry out image synthesis, target image of the generation comprising the Moving Objects and the stationary objects；
Wherein, image-region where the Moving Objects is exposed using first time for exposure, is schemed where the stationary objects
As region was exposed using second time for exposure；First time for exposure is less than second time for exposure.
The method that the embodiments of the present invention disclose can apply in processor 501, or be realized by processor 501.
Processor 501 is probably a kind of IC chip, has the disposal ability of signal.In implementation process, the above method it is each
Step can be completed by the integrated logic circuit of the hardware in processor 501 or the instruction of software form.Above-mentioned processing
Device 501 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) either other PLDs, discrete gate or transistor logic,
Discrete hardware components.It can realize or perform disclosed each method, step and the logic diagram in the embodiment of the present invention.It is general
Processor can be microprocessor or the processor can also be any conventional processor etc..With reference to institute of the embodiment of the present invention
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 can be located at random access memory, 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 502, processor 501 read the information in memory 502, with reference to the step of its hardware completion above method.
It is understood that embodiments described herein can use 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 circuit (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.
Realize, can be realized herein by performing the module (such as process, function etc.) of function described herein for software
Described technology.Software code is storable in memory and passes through computing device.Memory can within a processor or
Realized outside processor.
Alternatively, following steps can be also realized when computer program is performed by processor 501：Determine the Moving Objects
First time for exposure；Obtain the second time for exposure of the default stationary objects.
Alternatively, following steps can be also realized when computer program is performed by processor 501：Obtain the Moving Objects
Current kinetic speed；Determine target velocity section corresponding to the current kinetic speed；According to default speed interval and exposure
The corresponding relation of time, when the time for exposure corresponding to the target velocity section to be defined as to the first exposure of the Moving Objects
Between.
Alternatively, following steps can be also realized when computer program is performed by processor 501：Carried from described first image
Take Moving Objects image-region；Stationary objects image-region is extracted from second image；By the Moving Objects image district
Domain and the stationary objects image-region carry out image synthesis, target of the generation comprising the Moving Objects and the stationary objects
Image.
Alternatively, if the shooting instruction is photographing instruction, the target image is captured by the response photographing instruction
Image；If the shooting instruction instructs for video record, the target image is to respond captured by the video record instruction
Video in a two field picture.
To sum up, the above embodiment of the present invention is entered to photographed scene respectively by the first time for exposure and the second time for exposure
Row exposure, then the first image obtained to exposure and the second image are synthesized to obtain target image；On the one hand, in target image
Image-region where Moving Objects is exposed using the first time for exposure, and the first time for exposure was short exposure time, from
And the fuzzy of Moving Objects can be avoided, make the Moving Objects in target image clear, lift picture quality；On the other hand, mesh
Image-region where stationary objects in logo image is exposed using the second time for exposure, and the second time for exposure exposed to be long
Between light time, so as to reduce the noise of stationary objects, picture quality is lifted.
It should be noted that mobile terminal provided in an embodiment of the present invention is that by the mobile end of above-mentioned image pickup method
End, then all embodiments of above-mentioned image pickup method are applied to the mobile terminal, and can reach identical beneficial effect.
Mobile terminal 500 can realize each process that mobile terminal is realized in previous embodiment, to avoid repeating, here
Repeat no more.
Fig. 6 is another structural representation of the mobile terminal of the embodiment of the present invention.Specifically, the mobile terminal in Fig. 6
600 can be mobile phone, tablet personal computer, personal digital assistant (Personal Digital Assistant, PDA) or vehicle mounted electric
Brain etc..
Mobile terminal 600 in Fig. 6 includes radio frequency (Radio Frequency, RF) circuit 610, memory 620, input
Unit 630, display unit 640, processor 660, voicefrequency circuit 670, Wi Fi (Wireless Fidelity) modules 680 and electricity
Source 690.
Wherein, input block 630 can be used for the numeral or character information for receiving user's input, and generation and mobile terminal
The signal input that 600 user is set and function control is relevant.Specifically, in the embodiment of the present invention, the input block 630 can
With including contact panel 631.Contact panel 631, also referred to as touch-screen, collect touch operation of the user on or near it
(for example user uses the operations of any suitable object or annex on contact panel 631 such as finger, stylus), and according to advance
The formula of setting drives corresponding attachment means.Optionally, contact panel 631 may include touch detecting apparatus and touch controller
Two parts.Wherein, the touch orientation of touch detecting apparatus detection user, and the signal that touch operation is brought is detected, by signal
Send touch controller to；Touch controller receives touch information from touch detecting apparatus, and is converted into contact coordinate,
Give the processor 660 again, and the order sent of reception processing device 660 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 631.Except contact panel 631, input block
630 can also include other input equipments 632, and other input equipments 632 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 640 can be used for display by the information of user's input or be supplied to information and the movement of user
The various menu interfaces of terminal 600.Display unit 640 may include display panel 641, optionally, can use LCD or organic hairs
The forms such as optical diode (Organic Light-Emitting Diode, OLED) configure display panel 641.
It should be noted that contact panel 631 can cover display panel 641, touch display screen is formed, when the touch display screen is examined
After measuring the touch operation on or near it, processor 660 is sent to determine the type of touch event, is followed by subsequent processing device
660 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 arrangement mode of the conventional control viewing area does not limit, can be arranged above and below, left-right situs etc. can distinguish two it is aobvious
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 is used to show the higher control of utilization rate, for example,
Application icons such as settings button, interface numbering, scroll bar, phone directory icon etc..
Wherein processor 660 is the control centre of mobile terminal 600, utilizes various interfaces and connection whole mobile phone
Various pieces, by running or performing the software program and/or module that are stored in first memory 621, and call storage
Data in second memory 622, the various functions and processing data of mobile terminal 600 are performed, so as to mobile terminal 600
Carry out integral monitoring.Optionally, processor 660 may include one or more processing units.
In embodiments of the present invention, mobile terminal 600 also includes：It is stored on memory 620 and can be on processor 660
The computer program of operation, computer program realize following steps when being performed by processor 660：Monitor in shooting preview interface
Reference object；If monitoring in shooting preview interface while Moving Objects and stationary objects be present, and shooting instruction is received, then
It is exposed respectively using the first time for exposure and the second time for exposure, generates the first image and the second image；To described first
Image and second image carry out image synthesis, target image of the generation comprising the Moving Objects and the stationary objects；
Wherein, image-region where the Moving Objects is exposed using first time for exposure, is schemed where the stationary objects
As region was exposed using second time for exposure；First time for exposure is less than second time for exposure.
Alternatively, following steps can be also realized when computer program is performed by processor 660：Determine the Moving Objects
First time for exposure；Obtain the second time for exposure of the default stationary objects.
Alternatively, following steps can be also realized when computer program is performed by processor 660：Obtain the Moving Objects
Current kinetic speed；Determine target velocity section corresponding to the current kinetic speed；According to default speed interval and exposure
The corresponding relation of time, when the time for exposure corresponding to the target velocity section to be defined as to the first exposure of the Moving Objects
Between.
Alternatively, following steps can be also realized when computer program is performed by processor 660：Carried from described first image
Take Moving Objects image-region；Stationary objects image-region is extracted from second image；By the Moving Objects image district
Domain and the stationary objects image-region carry out image synthesis, target of the generation comprising the Moving Objects and the stationary objects
Image.
Alternatively, if the shooting instruction is photographing instruction, the target image is captured by the response photographing instruction
Image；If the shooting instruction instructs for video record, the target image is to respond captured by the video record instruction
Video in a two field picture.
To sum up, the above embodiment of the present invention is entered to photographed scene respectively by the first time for exposure and the second time for exposure
Row exposure, then the first image obtained to exposure and the second image are synthesized to obtain target image；On the one hand, in target image
Image-region where Moving Objects is exposed using the first time for exposure, and the first time for exposure was short exposure time, from
And the fuzzy of Moving Objects can be avoided, make the Moving Objects in target image clear, lift picture quality；On the other hand, mesh
Image-region where stationary objects in logo image is exposed using the second time for exposure, and the second time for exposure exposed to be long
Between light time, so as to reduce the noise of stationary objects, picture quality is lifted.
It should be noted that mobile terminal provided in an embodiment of the present invention is that by the mobile end of above-mentioned image pickup method
End, then all embodiments of above-mentioned image pickup method are applied to the mobile terminal, and can reach identical beneficial effect.
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
Member and algorithm steps, it 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, application-specific and design constraint depending on technical scheme.Professional and technical personnel
Described function can be realized using distinct methods to each specific application, but this realization is it is not considered that exceed
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 device and unit, the corresponding process in preceding method embodiment is may be referred to, will not be repeated here.
In embodiment provided herein, it should be understood that disclosed apparatus and method, others can be passed through
Mode is realized.For example, device embodiment described above is only schematical, for example, the division of the unit, is only
A kind of division of logic function, can there is an other dividing mode when actually realizing, for example, multiple units or component can combine or
Person is desirably integrated into another system, or some features can be ignored, or does not perform.Another, shown or discussed is mutual
Between coupling or direct-coupling or communication connection can be INDIRECT COUPLING or communication link by some interfaces, device or unit
Connect, can be electrical, mechanical or other forms.
The unit illustrated as separating component can be or may not be physically separate, show as unit
The part shown 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 selected to realize the mesh of this embodiment scheme according to the actual needs
's.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, can also
That unit is individually physically present, can also two or more units it is integrated in a unit.
If the function is realized in the form of SFU software functional unit and is used as independent production marketing or in use, can be with
It is stored in a computer read/write memory medium.Based on such understanding, technical scheme is substantially in other words
The part to be 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 causing a computer equipment (can be
People's computer, server, or network equipment etc.) perform all or part of step of each embodiment methods described of the present 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 foregoing is only a specific embodiment of the invention, but protection scope of the present invention is not limited thereto, any
Those familiar with the art the invention discloses technical scope in, change or replacement can be readily occurred in, should all be contained
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. a kind of image pickup method, applied to mobile terminal, it is characterised in that the image pickup method includes：
Monitor the reference object in shooting preview interface；
If monitoring in shooting preview interface while Moving Objects and stationary objects be present, and shooting instruction is received, then used
First time for exposure and the second time for exposure are exposed respectively, generate the first image and the second image；
Carry out image synthesis to described first image and second image, generation includes Moving Objects and described static right
The target image of elephant；
Wherein, image-region where the Moving Objects is exposed using first time for exposure, the stationary objects institute
It is exposed in image-region using second time for exposure；First time for exposure is less than second time for exposure.
2. image pickup method according to claim 1, it is characterised in that when the first time for exposure of the use and the second exposure
Between be exposed respectively, generate the first image and the step of the second image before, methods described also includes：
Determine the first time for exposure of the Moving Objects；
Obtain the second time for exposure of the default stationary objects.
3. image pickup method according to claim 2, it is characterised in that during the first exposure of the determination Moving Objects
Between the step of, including：
Obtain the current kinetic speed of the Moving Objects；
Determine target velocity section corresponding to the current kinetic speed；
It is according to default speed interval and the corresponding relation of time for exposure, the time for exposure corresponding to the target velocity section is true
It is set to the first time for exposure of the Moving Objects.
4. image pickup method according to claim 1, it is characterised in that described to described first image and second image
Carry out image synthesis, the step of target image of the generation comprising the Moving Objects and the stationary objects, including：
Moving Objects image-region is extracted from described first image；
Stationary objects image-region is extracted from second image；
The Moving Objects image-region and the stationary objects image-region are subjected to image synthesis, generation includes the motion
The target image of object and the stationary objects.
5. image pickup method according to claim 1, it is characterised in that
If the shooting instruction is photographing instruction, the target image is the image captured by the response photographing instruction；
If the shooting instruction instructs for video record, to respond, the video record instruction is captured to be regarded the target image
A two field picture in frequency.
6. a kind of mobile terminal, it is characterised in that the mobile terminal includes：
Monitoring modular, for monitoring the reference object in shooting preview interface；
Exposure-processed module, if for monitoring in shooting preview interface while Moving Objects and stationary objects being present, and receive
Instruct, be then exposed respectively using the first time for exposure and the second time for exposure to shooting, generate the first image and the second figure
Picture；
Synthesis module, for carrying out image synthesis to described first image and second image, generation includes the motion pair
As the target image with the stationary objects；
Wherein, image-region where the Moving Objects is exposed using first time for exposure, the stationary objects institute
It is exposed in image-region using second time for exposure；First time for exposure is less than second time for exposure.
7. mobile terminal according to claim 6, it is characterised in that the mobile terminal also includes：
Time for exposure determining module, for determining the first time for exposure of the Moving Objects；
Time for exposure acquisition module, for obtaining the second time for exposure of the default stationary objects.
8. mobile terminal according to claim 7, it is characterised in that the time for exposure determining module includes：
Speed determination sub-module, for obtaining the current kinetic speed of the Moving Objects；
Section determination sub-module, for determining target velocity section corresponding to the current kinetic speed；
Time for exposure determination sub-module, for the corresponding relation according to default speed interval and time for exposure, by the target
Time for exposure corresponding to speed interval is defined as the first time for exposure of the Moving Objects.
9. mobile terminal according to claim 6, it is characterised in that the synthesis module includes：
First extracting sub-module, for extracting Moving Objects image-region from described first image；
Second extracting sub-module, for extracting stationary objects image-region from second image；
Submodule is synthesized, for the Moving Objects image-region and the stationary objects image-region to be carried out into image synthesis,
Target image of the generation comprising the Moving Objects and the stationary objects.
10. mobile terminal according to claim 6, it is characterised in that
If the shooting instruction is photographing instruction, the target image is the image captured by the response photographing instruction；
If the shooting instruction instructs for video record, to respond, the video record instruction is captured to be regarded the target image
A two field picture in frequency.
11. a kind of mobile terminal, it is characterised in that including processor, memory and be stored on the memory and can be in institute
The computer program run on processor is stated, the computer program is realized such as claim 1 to 5 during the computing device
Any one of image pickup method the step of.
12. a kind of computer-readable recording medium, it is characterised in that be stored with computer on the computer-readable recording medium
Program, the step of the image pickup method as any one of claim 1 to 5 is realized when the computer program is executed by processor
Suddenly.
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