CN109218626A - A kind of photographic method and terminal - Google Patents
A kind of photographic method and terminal Download PDFInfo
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- CN109218626A CN109218626A CN201811406422.3A CN201811406422A CN109218626A CN 109218626 A CN109218626 A CN 109218626A CN 201811406422 A CN201811406422 A CN 201811406422A CN 109218626 A CN109218626 A CN 109218626A
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- image
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- exposure
- exposure value
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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
- H04N23/62—Control of parameters via user interfaces
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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
- H04N23/80—Camera processing pipelines; Components thereof
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Human Computer Interaction (AREA)
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Abstract
The present invention provides a kind of photographic method and terminal, which includes: to obtain the overexposure preview image of photographed scene and owe to expose preview image；It shows the overexposure preview image and owes to expose preview image；Receive the first input of user；In response to first input, the overexposure preview image and the deficient exposure value for exposing preview image are adjusted, exposure value adjusted is obtained；Receive the second input of user；In response to second input, according to the exposure value adjusted, takes pictures, export target image.Therefore, the solution of the present invention solves under the scene of high contrast, using the ineffective problem of the HDR image of traditional image pickup method shooting.
Description
Technical field
The present embodiments relate to field of communication technology more particularly to a kind of photographic method and terminals.
Background technique
High dynamic range (High Dynamic Range, abbreviation HDR) image is with its level abundant, the picture sense of reality
By force, dynamic range of images is big, can more realistically restore the advantages that effect of shadow of approaching to reality scene has become domestic and international heat
Point research field.Thus, in the prior art, the camera of mobile phone can be taken pictures using HDR scheme, so that cell-phone camera is photographed
It increasingly keeps on improving, and can achieve the effect for the single-lens reflex camera that matches in excellence or beauty in some cases.
However, the HDR scheme of present mobile phone, depth of exposure is preset, if encountering high contrast scene, is taken pictures
Effect is bad.
Summary of the invention
The embodiment provides a kind of photographic method and terminals to be used with solving under the scene of high contrast
The ineffective problem of the HDR image of traditional image pickup method shooting.
In a first aspect, being applied to terminal, the photographic method packet the embodiment provides a kind of photographic method
It includes:
It obtains the overexposure preview image of photographed scene and owes to expose preview image；
It shows the overexposure preview image and owes to expose preview image；
Receive the first input of user；
In response to first input, the overexposure preview image and the deficient exposure value for exposing preview image are adjusted
It is whole, obtain exposure value adjusted；
Receive the second input of user；
In response to second input, according to the exposure value adjusted, takes pictures, export target image.
Second aspect, the embodiment provides a kind of terminals, comprising:
Preview image obtains module, for obtaining the overexposure preview image of photographed scene and owing to expose preview image；
Preview image display module, for showing the overexposure preview image and owing to expose preview image；
First receiving module, for receiving the first input of user；
Exposure value adjusts module, pre- to the overexposure preview image and the deficient exposure for inputting in response to described first
The exposure value of image look at is adjusted, and obtains exposure value adjusted；
Second receiving module, for receiving the second input of user；
Photo module, for according to the exposure value adjusted, taking pictures, exporting in response to second input
Target image.
The third aspect the embodiment provides a kind of terminal, including memory, processor and is stored in described deposit
On reservoir and the computer program that can run on the processor；The processor is realized described above when executing described program
Photographic method.
Fourth aspect, the embodiment provides a kind of computer readable storage mediums, are stored thereon with computer
Program, the program realize the step in photographic method described above when being executed by processor.
In embodiments of the present invention, by the overexposure preview image of photographed scene and owing according to the first of user the input
The exposure value for exposing preview image is adjusted, so that the contrast of exposure value adjusted and photographed scene height is adapted, from
And the high dynamic range images being more clear according to the details that exposure value adjusted can shoot dark portion and highlights.
Detailed description of the invention
Fig. 1 shows the flow charts of the photographic method of the embodiment of the present invention；
Fig. 2 indicates one of the schematic diagram of interface display of terminal in the photographic method of the embodiment of the present invention；
Fig. 3 indicates two of the schematic diagram of interface display of terminal in the photographic method of the embodiment of the present invention；
Fig. 4 indicates three of the schematic diagram of interface display of terminal in the photographic method of the embodiment of the present invention；
Fig. 5 indicates four of the schematic diagram of interface display of terminal in the photographic method of the embodiment of the present invention；
Fig. 6 indicates five of the schematic diagram of interface display of terminal in the photographic method of the embodiment of the present invention；
Fig. 7 indicates six of the schematic diagram of interface display of terminal in the photographic method of the embodiment of the present invention；
Fig. 8 shows seven of the schematic diagram of interface display of terminal in the photographic method of the embodiment of the present invention；
Fig. 9 indicates the structural block diagram of terminal provided in an embodiment of the present invention；
Figure 10 indicates a kind of hardware structural diagram for terminal that the embodiment of the present invention provides.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are some of the embodiments of the present invention, instead of all the embodiments.Based on this hair
Embodiment in bright, every other implementation obtained by those of ordinary skill in the art without making creative efforts
Example, shall fall within the protection scope of the present invention.
The embodiment provides a kind of photographic methods, as shown in Figure 1, this method comprises:
Step 101: obtaining the overexposure preview image of photographed scene and owe to expose preview image.
Step 102: showing the overexposure preview image and owe to expose preview image.
The photographic method of the embodiment of the present invention not only can be real in preview interface of taking pictures after terminal enters photographing mode
When show normal exposure preview image, can also show overexposure preview image and owe expose preview image.Wherein, overexposure preview image is used
To obtain the details of bloom part, owe to expose preview image to obtain dark portion details.
Step 103: receiving the first input of user.
Wherein, the first input can be inputted, be slidably inputed for click, long-pressing inputs etc..
Step 104: in response to first input, to the overexposure preview image and the deficient exposure for exposing preview image
Value is adjusted, and obtains exposure value adjusted.
After i.e. terminal enters photographing mode, the overexposure preview image of meeting real-time capture photographed scene and deficient exposure preview image,
And judge whether to receive the first input of user.When receiving the first input, then according to the first input to overexposure preview graph
Picture and the exposure value for owing to expose preview image are adjusted.
It wherein, can be with the contrast of photographed scene after overexposure preview image and the deficient exposure value for exposing preview image adjust
It is adapted, so that the dark portion of image and the details of highlights that final shooting obtains are more clear.
Step 105: receiving the second input of user.
Step 106: in response to second input, according to the exposure value adjusted, taking pictures, export target figure
Picture.
Therefore, it can be seen from the above, the embodiment of the present invention, by according to the first of user the input, to the mistake of photographed scene
The exposure value for exposing preview image and owing exposure preview image is adjusted, so that the contrast of exposure value adjusted and photographed scene
Height is adapted, thus the high dynamic range being more clear according to the details that exposure value adjusted can shoot dark portion and highlights
Image is enclosed, to solve under the scene of high contrast, using the ineffective problem of the HDR image of traditional image pickup method shooting.
Preferably, the overexposure preview image for obtaining photographed scene and deficient exposure preview image, comprising: obtain photographed scene
Normal exposure preview image；According to preset first exposure value, image procossing is carried out to the normal exposure preview image, is obtained
To overexposure preview image；According to preset second exposure value, image procossing is carried out to the normal exposure preview image, is owed
Expose preview image.
After i.e. terminal enters screening-mode, the overexposure preview image of the photographed scene of real-time capture and deficient exposure preview image,
It is to be obtained after carrying out image procossing according to the exposure value of default to normal exposure preview image respectively.It follows that overexposure is pre-
Look at image and owe expose preview image be to be obtained after handling same width normal exposure preview image, to ensure that overexposure
Preview image is identical with the picture material owed in exposure preview image.
Preferably, first input includes the first son input and the second son input；It is described to be inputted in response to described first,
The overexposure preview image and the deficient exposure value for exposing preview image are adjusted, exposure value adjusted is obtained, comprising:
In response to the first son input, the exposure value of the overexposure preview image is adjusted, the overexposure preview image is obtained
Bloom part details clearly first object exposure value；In response to the second son input, to the deficient exposure preview image
Exposure value is adjusted, and obtains the deficient dark portion details for exposing preview image clearly the second target light exposure value；Wherein, the tune
Exposure value after whole includes the first object exposure value and the second target light exposure value.
Such as shown in Fig. 3, overexposure preview image 4 is selected, finely tunes depth of exposure, for example upward sliding is that drawing is bright, is downwards
It draws secretly, gets customer satisfaction system dark portion details；The same manner operation owes to expose preview image 5, gets customer satisfaction system bloom
Part details.
It can be seen from the above, being to obtain according to purpose of the first of the user son input to the exposure value adjustment of overexposure preview image
First object exposure value when taking the bloom part details in overexposure preview image clear；It is inputted according to the second word to deficient exposure preview
The purpose of the exposure value adjustment of image is the second target light exposure value when the dark portion details in the deficient exposure preview image of acquisition is clear.
Wherein, clear by adjusting the bloom part of overexposure preview image, the deficient dark portion for exposing preview image is adjusted into clearly mode,
Come both adjust exposure value when, it is simple and convenient for the adjustment mode of exposure value, and adjustment effect is very clear.
Wherein, it during the exposure value to overexposure preview image is adjusted, real-time display can expose at the terminal
It is worth overexposure preview image adjusted.It equally, can be in terminal during being adjusted to the deficient exposure value for exposing preview image
Upper real-time display exposure value deficient exposure preview image adjusted.So that user can watch in real time exposure value adjusted
Image effect.
Further, described to be taken pictures according to the exposure value adjusted, export target image, comprising: control is taken the photograph
As head shoots normal exposure image；According to the first object exposure value, image procossing is carried out to the normal exposure image, is obtained
To the first image；According to the second target light exposure value, image procossing is carried out to the normal exposure image, obtains the second figure
Picture；The normal exposure image, the first image and second image are subjected to image synthesis, export target image.
For example, user clicks when taking pictures button, a normal exposure image is shot, then according to exposure value adjusted,
Algorithm process is carried out to the normal exposure image of shooting, obtain overexposure image and owes to expose image.Finally, as shown in figure 4, user's handle
Two images of vice screen 2 tow back to the HDR photo that main screen 1 synthesizes last high quality.
Wherein, the exposure value due to first object exposure value for the bloom part details in overexposure preview image when clear,
So the bloom part of the first image that normal exposure image obtain after image procossing according to first object exposure value
Details is clear.Since the second target light exposure value is exposure value when the deficient dark portion details exposed in preview image is clear, so, according to
The details of the dark portion for the second image that second target light exposure value obtain after image procossing to normal exposure image is clear.Cause
This, it is higher clear to have by the target image handled normal exposure image, the first image and the second image synthesis
Degree.
Further, described to be taken pictures according to the exposure value adjusted, export target image, comprising: will be described
First object exposure value is converted to the first shutter duration；The second target light exposure value is converted into the second shutter duration；Control
Camera is respectively adopted preset normal exposure parameter, the first shutter duration, the second shutter duration and is exposed, and obtains
Obtain normal exposure image, the first image and the second image；By the normal exposure image, the first image and second figure
As carrying out image synthesis, target image is exported.
For example, user clicks when taking pictures button, a normal exposure image is shot, then converts exposure value adjusted
For corresponding shutter duration, normal exposure image is shot according to normal exposure parameter, shoots overexposure according to the shutter duration of conversion
Image and deficient exposure image.Finally, as shown in figure 4, two images of vice screen 2 are towed back to main screen 1 by user synthesizes last high quality
HDR photo.
Wherein, by the way that first object exposure value and the second target light exposure value are converted to corresponding shutter duration, so that adopting
With the shutter duration of conversion take pictures acquisition the first image and the second image effect of taking pictures it is truer.
Further, the bloom part details for obtaining the overexposure preview image clearly first object exposure value it
Afterwards, the method also includes: show the first object exposure value；
The dark portion details for obtaining the deficient exposure preview image is clearly after the second target light exposure value, and the method is also
It include: display the second target light exposure value.
Wherein, it shows exposure value adjusted, user's degree that definitely exposure value is specifically adjusted can be made, from
And foundation can be provided during subsequent take pictures for user, allow user to accumulate the experience of taking pictures.
Preferably, the overexposure preview image for obtaining photographed scene and deficient exposure preview image, comprising:
Obtain the normal exposure preview image of photographed scene；
According to the first quantity of preset overexposure preview image and exposure value interval, to the normal exposure preview image into
Row image procossing obtains the overexposure preview image of first quantity；
According to preset deficient the second quantity for exposing preview image and the exposure value interval, to the normal exposure preview graph
As carrying out image procossing, the deficient exposure preview image of second quantity is obtained；
Wherein, be divided between the exposure value by the normal exposure preview image, the overexposure preview image and it is described owe
After exposure preview image is arranged according to the sequence of exposure value from small to large, the difference of the exposure value of two images of arbitrary neighborhood.
It follows that overexposure preview image and the deficient preview image that exposes can be not limited to a respectively width, also may respectively be
Several.I.e. overexposure preview image may also include the different preview image of multiple overexposure degree, and deficient exposure preview image may also include more
The different image of a deficient exposure preview degree.And after terminal enters photographing mode, default is obtained according to preset first quantity
Overexposure preview image is taken, is obtained according to preset second quantity and owes to expose preview image.Wherein, the first quantity and the second quantity
It can be identical.
Wherein, the overexposure preview image, normal exposure preview image of the first quantity, the second quantity deficient exposure preview image,
The depth of exposure of these images gradually successively decreases, so as to show that same photographed scene is each under each different depth of exposure
The readability of different details.
Further, first input includes the input of third and the 4th son input；
It is described in response to it is described first input, to the overexposure preview image and it is described it is deficient expose preview image exposure value into
Row adjustment, obtains exposure value adjusted, including
It is inputted in response to third, adjust the quantity of overexposure preview image and owes to expose the quantity of preview image, wherein
The quantity of the overexposure preview image and the deficient quantity for exposing preview image are related to the input parameter that third inputs
Connection；
In response to the 4th son input, the exposure value interval is adjusted, wherein the exposure value interval and the described 4th
The input parameter of son input is associated；
According to the quantity of overexposure preview image adjusted and the exposure value interval adjusted, each overexposure is determined
The exposure value of preview image；
According to the deficient quantity for exposing preview image adjusted and the exposure value interval adjusted, determine that each owes to expose
The exposure value of preview image；
Wherein, the quantity of the overexposure preview image is identical as the deficient exposure quantity of preview image.
Wherein, the input of third can be different input with the 4th son input, be also possible to same input, such as can be with
It is to slidably input, clicks input, long-pressing input etc..Specifically, such as adjustment overexposure preview image can be slided up and down and owe to expose
The quantity of preview image horizontally slips and adjusts exposure value interval；Or it as shown in figure 8, in overexposure preview image and owes to expose preview
It is slided up and down on the display position of the quantity of image, to adjust overexposure preview image and owe the quantity of exposure preview image,
It is slided up and down on the display position at exposure value interval, to adjust exposure value interval.
In addition, by adjusting overexposure preview image and the deficient quantity for exposing preview image and exposure value interval, it is available
More the overexposure preview image of difference depth of exposure and deficient exposure preview image, so that the photo finally shot is with higher
Dynamic range.
Further, described to be taken pictures according to the exposure value adjusted, export target image, comprising: control is taken the photograph
As head shoots normal exposure image；Successively according to the exposure value of each overexposure preview image, to the normal exposure image into
Row image procossing obtains overexposure image；The exposure value that exposure preview image is successively owed according to each, to the normal exposure image
Image procossing is carried out, obtains owing to expose image；The normal exposure image, the overexposure image and the deficient exposure image are subjected to figure
As synthesis, target image is exported.
For example, overexposure preview image adjusted and the quantity for owing exposure preview image are respectively two, then clicked in user
Take pictures button when, shoot a normal exposure image, then according to exposure value adjusted, to the normal exposure image of shooting into
Row algorithm process, obtains two overexposure images and two are owed to expose image.Finally, four images of vice screen are towed back to main screen then by user
Synthesize the HDR photo of high quality.
Wherein, overexposure image, normal exposure image and the deficient depth of exposure for exposing image gradually successively decrease, therefore, by mistake
The details for exposing image, normal exposure image and the deficient various pieces for exposing the target image that image synthesis is handled is more clear.
Sharp keen clearly picture can be shown by more different degrees of overexposure images and the deficient image that exposes, so as to shoot
The higher photo of dynamic range.
Further, described to be taken pictures according to the exposure value adjusted, export target image, comprising: will be each
The exposure value of a overexposure preview image and each exposure value for owing to expose preview image are respectively converted into shutter duration；Control camera shooting
Predetermined normal exposure parameter is respectively adopted in head, each shutter duration for being converted to is exposed, and obtains normal exposure
Image, overexposure image and deficient exposure image；The normal exposure image, the overexposure image and the deficient exposure image are subjected to image
Synthesis exports target image.
For example, overexposure preview image adjusted and the quantity for owing exposure preview image are respectively two, then clicked in user
Take pictures button when, shoot a normal exposure image, exposure value adjusted be then converted into corresponding shutter duration, then
Normal exposure image is shot according to normal exposure parameter, two overexposure images is shot according to the shutter duration of conversion and two is owed to expose
Image.Finally, user tows back to four images of vice screen in the HDR photo that main screen then synthesizes high quality.
Wherein, the exposure value of each overexposure preview image and each exposure value for owing to expose preview image are converted respectively
For shutter duration so that using the shutter duration of conversion take pictures acquisition overexposure image and owing expose image take pictures effect more
Really, so that synthesizing the effect of the target image handled more by overexposure image, normal exposure image and the deficient image that exposes
Add true.
Preferably, after the quantity and the deficient quantity for exposing preview image of the adjustment overexposure preview image, the method is also
It include: the quantity for showing the quantity of overexposure preview image adjusted and owing to expose preview image；
After the adjustment exposure value interval, the method also includes: show exposure value interval adjusted.
Wherein, it shows the quantity of overexposure preview image adjusted, owe to expose quantity and the exposure value interval of preview image,
User can be made very clear to the specific value of the object adjusted, so as to be user during subsequent take pictures
Foundation is provided, user is allowed to accumulate the experience of taking pictures.Specifically, it can show the quantity of overexposure preview image, owe to expose preview
The sum of quantity and the quantity of normal exposure preview image of image, such as " number 5 " shown in Fig. 7 indicate two overexposure previews
Image, two deficient exposure preview images and a normal exposure preview image.
Preferably, the overexposure preview image for obtaining photographed scene with before owing to expose preview image, also wrap by the method
It includes:
Receive the third input of user；
The third input is responded, the overexposure preview image for obtaining photographed scene is executed and owes to expose the step of preview image
Suddenly.
Wherein, above-mentioned third input, which can be, slidably inputs, and clicks input, long-pressing input etc..Then receiving user's
When third inputs, just triggering obtains the overexposure preview image of photographed scene and owes the step of exposing preview image.When not receiving use
The third at family inputs, then does not remove the overexposure preview image for obtaining photographed scene and owe to expose preview image, to save terminal
Electricity.
Further, the normal exposure preview image is shown in first area, the overexposure preview image and described owes
It exposes preview image and is shown in second area；The third input is slidably inputs, the sliding start bit set slidably inputed
In the first area, the sliding end position slidably inputed is located in the second area；It is described to receive user's
First input, comprising:
User is received in the first input of second area；
Wherein, the first area and the second area are the different zones of same display screen；Alternatively, the terminal packet
The first screen and the second screen are included, the first area is located on first screen, and the second area is located on the second screen.
For example, as shown in Figure 3 and Figure 7, normal exposure preview image 3 is shown in master when terminal includes main screen 1 and vice screen 2
On screen 1, overexposure preview image 4 and the deficient preview image 5 that exposes are shown in vice screen 2.
In addition, two suspensions can be generated in vice screen 2 as shown in Fig. 2, user in main screen 1 slides to vice screen 2 using two fingers
Frame shows main screen camera preview interface.Wherein, a suspended frame in vice screen shows that overexposure preview image (such as was defaulted as
Exposure+2EV), another suspended frame, which is shown, to be owed to expose preview image (such as being defaulted as -2EV).Alternatively, as shown in figure 5, user uses
Singly refer to and slide to vice screen 2 in main screen 1, a suspended frame can be generated in vice screen, main screen camera preview interface is shown, then such as Fig. 6 institute
Show that user two refers to the suspended frame for pinning vice screen 2, two refer to slide apart screen, thus default display exposure value interval as shown in Figure 7
It owes to expose preview image 5 for two overexposure preview images 4 of 1EV and two.
The embodiments of the present invention also provide a kind of terminals, as shown in figure 9, the terminal 900 includes:
Preview image obtains module 901, for obtaining the overexposure preview image of photographed scene and owing to expose preview image；
Preview image display module 902, for showing the overexposure preview image and owing to expose preview image；
First receiving module 903, for receiving the first input of user；
Exposure value adjusts module 904, for inputting in response to described first, to the overexposure preview image and the deficient exposure
The exposure value of preview image is adjusted, and obtains exposure value adjusted；
Second receiving module 905, for receiving the second input of user；
Photo module 906, it is defeated for according to the exposure value adjusted, taking pictures in response to second input
Target image out.
Preferably, the preview image acquisition module 901 includes:
First acquisition unit, for obtaining the normal exposure preview image of photographed scene；
First processing units, for carrying out image to the normal exposure preview image according to preset first exposure value
Processing, obtains overexposure preview image；
The second processing unit, for carrying out image to the normal exposure preview image according to preset second exposure value
Processing obtains owing to expose preview image.
Preferably, first input includes the first son input and the second son input；The exposure value adjustment module 904 is wrapped
It includes:
The first adjustment unit carries out the exposure value of the overexposure preview image for inputting in response to first son
Adjustment obtains the bloom part details of the overexposure preview image clearly first object exposure value；
Second adjustment unit carries out the deficient exposure value for exposing preview image for inputting in response to second son
Adjustment obtains the deficient dark portion details for exposing preview image clearly the second target light exposure value；
Wherein, the exposure value adjusted includes the first object exposure value and the second target light exposure value.
Preferably, the photo module 906 includes:
First shooting unit, for controlling camera shooting normal exposure image；
Third processing unit, for being carried out at image to the normal exposure image according to the first object exposure value
Reason, obtains the first image；
Fourth processing unit, for being carried out at image to the normal exposure image according to the second target light exposure value
Reason, obtains the second image；
First synthesis unit, for the normal exposure image, the first image and second image to be carried out figure
As synthesis, target image is exported.
Preferably, the photo module 906 includes:
First converting unit, for the first object exposure value to be converted to the first shutter duration；
Second converting unit, for the second target light exposure value to be converted to the second shutter duration；
Second shooting unit, when preset normal exposure parameter, first shutter is respectively adopted for controlling camera
Long, the described second shutter duration is exposed, and obtains normal exposure image, the first image and the second image；
Second synthesis unit, for the normal exposure image, the first image and second image to be carried out figure
As synthesis, target image is exported.
Preferably, the terminal 900 further include:
First display module, for showing the first object exposure value；
Second display module, for showing the second target light exposure value.
Preferably, the preview image acquisition module 901 includes:
Second acquisition unit, for obtaining the normal exposure preview image of photographed scene；
5th processing unit, for according to preset overexposure preview image the first quantity and exposure value interval, to described
Normal exposure preview image carries out image procossing, obtains the overexposure preview image of first quantity；
6th processing unit, for according to it is preset it is deficient expose preview image the second quantity and the exposure value interval, it is right
The normal exposure preview image carries out image procossing, obtains the deficient exposure preview image of second quantity；
Wherein, be divided between the exposure value by the normal exposure preview image, the overexposure preview image and it is described owe
After exposure preview image is arranged according to the sequence of exposure value from small to large, the difference of the exposure value of two images of arbitrary neighborhood.
Preferably, first input includes the input of third and the 4th son input；The exposure value adjustment module 904 is wrapped
It includes:
Third adjustment unit, for being inputted in response to third, adjusting the quantity of overexposure preview image and owing to expose pre-
Look at the quantity of image, wherein the quantity of the overexposure preview image and the deficient quantity for exposing preview image and third
The input parameter of input is associated；
4th adjustment unit adjusts the exposure value interval, wherein the exposure for inputting in response to the 4th son
Light value interval is associated with the input parameter of the 4th son input；
First determination unit, between the quantity and the exposure value adjusted according to overexposure preview image adjusted
Every determining the exposure value of each overexposure preview image；
Second determination unit, for according between the deficient quantity and the exposure value adjusted for exposing preview image adjusted
Every, determine each owe expose preview image exposure value；
Wherein, the quantity of the overexposure preview image is identical as the deficient exposure quantity of preview image.
Preferably, the photo module 906 includes:
Third shooting unit, for controlling camera shooting normal exposure image；
7th processing unit, for successively according to the exposure value of each overexposure preview image, to the normal exposure figure
As carrying out image procossing, overexposure image is obtained；
8th processing unit, for successively owing the exposure value of exposure preview image according to each, to the normal exposure figure
As carrying out image procossing, obtain owing to expose image；
Third synthesis unit, for the normal exposure image, the overexposure image and the deficient exposure image to be carried out figure
As synthesis, target image is exported.
Preferably, the photo module 906 includes:
Third converting unit, for the exposure value of each overexposure preview image to be owed to exposure of exposure preview image with each
Light value is respectively converted into shutter duration；
4th shooting unit for controlling camera is respectively adopted predetermined normal exposure parameter, is converted to
Each shutter duration is exposed, and is obtained normal exposure image, overexposure image and is owed to expose image；
4th synthesis unit, for the normal exposure image, the overexposure image and the deficient exposure image to be carried out figure
As synthesis, target image is exported.
Preferably, the terminal 900 further include:
Third display module, for showing the quantity of overexposure preview image adjusted and owing the quantity of exposure preview image；
4th display module, for showing exposure value interval adjusted.
Preferably, the terminal 900 further include:
Third receiving module, the third for receiving user input；
Respond module, for responding the third input, triggering preview image obtains module 901 and executes the acquisition shooting
The overexposure preview image of scene and deficient the step of exposing preview image.
Preferably, the normal exposure preview image is shown in first area, the overexposure preview image and the deficient exposure
Preview image is shown in second area；
To slidably input, the sliding initial position slidably inputed is located in the first area for the third input,
The sliding end position slidably inputed is located in the second area；
First receiving module is specifically used for:
User is received in the first input of second area；
Wherein, the first area and the second area are the different zones of same display screen；Alternatively, the terminal packet
The first screen and the second screen are included, the first area is located on first screen, and the second area is located on the second screen.
It can be seen from the above, the terminal 900 of the embodiment of the present invention, by being inputted according to the first of user, to photographed scene
Overexposure preview image and the exposure value for owing to expose preview image are adjusted, so that the comparison of exposure value adjusted and photographed scene
Degree height is adapted, thus the high dynamic being more clear according to the details that exposure value adjusted can shoot dark portion and highlights
Range image.
The embodiments of the present invention also provide a kind of terminals, and as shown in Figure 10, which includes but is not limited to: radio frequency
Unit 1001, network module 1002, audio output unit 1003, input unit 1004, sensor 1005, display unit 1006,
The components such as user input unit 1007, interface unit 1008, memory 10010, processor 1010 and power supply 1011.Ability
Field technique personnel are appreciated that the restriction of the not structure paired terminal of terminal structure shown in Figure 10, and terminal may include than figure
Show more or fewer components, perhaps combines certain components or different component layouts.In embodiments of the present invention, terminal
Including but not limited to mobile phone, tablet computer, laptop, palm PC, car-mounted terminal, wearable device and pedometer
Deng.
Wherein, processor 1010 is used to obtain the overexposure preview image of photographed scene and owes to expose preview image；Described in display
Overexposure preview image and deficient exposure preview image；Receive the first input of user；It is pre- to the overexposure in response to first input
Look at image and it is described it is deficient expose preview image exposure value be adjusted, obtain exposure value adjusted；Receive user second is defeated
Enter；In response to second input, according to the exposure value adjusted, takes pictures, export target image.
Therefore, the terminal 1000 of the embodiment of the present invention, it is pre- to the overexposure of photographed scene by being inputted according to the first of user
Image of looking at is adjusted with the exposure value for owing to expose preview image, so that the contrast of exposure value adjusted and photographed scene height
It is adapted, thus the high dynamic range figure being more clear according to the details that exposure value adjusted can shoot dark portion and highlights
Picture.
It should be understood that the embodiment of the present invention in, radio frequency unit 1001 can be used for receiving and sending messages or communication process in, signal
Send and receive, specifically, by from base station downlink data receive after, to processor 1010 handle；In addition, by uplink
Data are sent to base station.In general, radio frequency unit 1001 includes but is not limited to antenna, at least one amplifier, transceiver, coupling
Device, low-noise amplifier, duplexer etc..In addition, radio frequency unit 1001 can also by wireless communication system and network and other
Equipment communication.
Terminal provides wireless broadband internet by network module 1002 for user and accesses, and such as user is helped to receive and dispatch electricity
Sub- mail, browsing webpage and access streaming video etc..
Audio output unit 1003 can be received by radio frequency unit 1001 or network module 1002 or in memory
The audio data stored in 10010 is converted into audio signal and exports to be sound.Moreover, audio output unit 1003 can be with
Audio output relevant to the specific function that terminal 1000 executes is provided (for example, call signal receives sound, message sink sound
Etc.).Audio output unit 1003 includes loudspeaker, buzzer and receiver etc..
Input unit 1004 is for receiving audio or video signal.Input unit 1004 may include graphics processor
(Graphics Processing Unit, GPU) 10041 and microphone 10042, graphics processor 10041 are captured in video
In mode or image capture mode by image capture apparatus (such as camera) obtain static images or video image data into
Row processing.Treated, and picture frame may be displayed on display unit 1006.Through treated the picture frame of graphics processor 10041
It can store in memory 10010 (or other storage mediums) or carried out via radio frequency unit 1001 or network module 1002
It sends.Microphone 10042 can receive sound, and can be audio data by such acoustic processing.Audio that treated
Data can be converted to the lattice that mobile communication base station can be sent to via radio frequency unit 1001 in the case where telephone calling model
Formula output.
Terminal 1000 further includes at least one sensor 1005, such as optical sensor, motion sensor and other sensings
Device.Specifically, optical sensor includes ambient light sensor and proximity sensor, wherein ambient light sensor can be according to environment light
The light and shade of line adjusts the brightness of display panel 10061, and proximity sensor can close display when terminal 1000 is moved in one's ear
Panel 10061 and/or backlight.As a kind of motion sensor, accelerometer sensor can detect (generally three in all directions
Axis) acceleration size, can detect that size and the direction of gravity when static, can be used to identify terminal posture (such as horizontal/vertical screen
Switching, dependent game, magnetometer pose calibrating), Vibration identification correlation function (such as pedometer, tap) etc.；Sensor 1005
It can also include fingerprint sensor, pressure sensor, iris sensor, molecule sensor, gyroscope, barometer, hygrometer, temperature
Meter, infrared sensor etc. are spent, details are not described herein.
Display unit 1006 is for showing information input by user or being supplied to the information of user.Display unit 1006 can
Including display panel 10061, liquid crystal display (Liquid Crystal Display, LCD), organic light-emitting diodes can be used
Forms such as (Organic Light-Emitting Diode, OLED) are managed to configure display panel 10061.
User input unit 1007 can be used for receiving the number or character information of input, and generates and set with the user of terminal
It sets and the related key signals of function control inputs.Specifically, user input unit 1007 include touch panel 10071 and its
His input equipment 10072.Touch panel 10071, also referred to as touch screen collect the touch operation of user on it or nearby
(for example user uses any suitable objects or attachment such as finger, stylus on touch panel 10071 or in touch panel
Operation near 10071).Touch panel 10071 may include both touch detecting apparatus and touch controller.Wherein, it touches
The touch orientation of detection device detection user is touched, and detects touch operation bring signal, transmits a signal to touch controller；
Touch controller receives touch information from touch detecting apparatus, and is converted into contact coordinate, then gives processor 1010,
It receives the order that processor 1010 is sent and is executed.Furthermore, it is possible to using resistance-type, condenser type, infrared ray and surface
The multiple types such as sound wave realize touch panel 10071.In addition to touch panel 10071, user input unit 1007 can also include
Other input equipments 10072.Specifically, other input equipments 10072 can include but is not limited to physical keyboard, function key (ratio
Such as volume control button, switch key), trace ball, mouse, operating stick, details are not described herein.
Further, touch panel 10071 can be covered on display panel 10061, when touch panel 10071 detects
After touch operation on or near it, processor 1010 is sent to determine the type of touch event, is followed by subsequent processing device 1010
Corresponding visual output is provided on display panel 10061 according to the type of touch event.Although in Figure 10, touch panel
10071 and display panel 10061 are the functions that outputs and inputs of realizing terminal as two independent components, but certain
In embodiment, touch panel 10071 and display panel 10061 can be integrated and be realized the function that outputs and inputs of terminal, tool
Body is herein without limitation.
Interface unit 1008 is the interface that external device (ED) is connect with terminal 1000.For example, external device (ED) may include wired
Or wireless head-band earphone port, external power supply (or battery charger) port, wired or wireless data port, storage card end
Mouth, port, the port audio input/output (I/O), video i/o port, earphone end for connecting the device with identification module
Mouthful etc..Interface unit 1008 can be used for receiving the input (for example, data information, electric power etc.) from external device (ED) and
By one or more elements that the input received is transferred in terminal 1000 or can be used in terminal 1000 and external dress
Data are transmitted between setting.
Memory 10010 can be used for storing software program and various data.Memory 10010 can mainly include storage journey
Sequence area and storage data area, wherein storing program area can the (ratio of application program needed for storage program area, at least one function
Such as sound-playing function, image player function) etc.；Storage data area, which can be stored, uses created data according to mobile phone
(such as audio data, phone directory etc.) etc..In addition, memory 10010 may include high-speed random access memory, can also wrap
Include nonvolatile memory, a for example, at least disk memory, flush memory device or other volatile solid-state parts.
Processor 1010 is the control centre of terminal, using the various pieces of various interfaces and the entire terminal of connection,
By running or execute the software program and/or module that are stored in memory 10010, and calls and be stored in memory
Data in 10010 execute the various functions and processing data of terminal, to carry out integral monitoring to terminal.Processor 1010
It may include one or more processing units；Preferably, processor 1010 can integrate application processor and modem processor,
In, the main processing operation system of application processor, user interface and application program etc., modem processor are mainly handled wirelessly
Communication.It is understood that above-mentioned modem processor can not also be integrated into processor 1010.
Terminal 1000 can also include the power supply 1011 (such as battery) powered to all parts, it is preferred that power supply 1011
Can be logically contiguous by power-supply management system and processor 1010, to realize management charging by power-supply management system, put
The functions such as electricity and power managed.
In addition, terminal 1000 includes some unshowned functional modules, details are not described herein.
Preferably, the embodiment of the present invention also provides a kind of terminal, including processor 1010, and memory 10010 is stored in
On reservoir 10010 and the computer program that can run on the processor 1010, the computer program are held by processor 1010
Each process of above-mentioned photographic method embodiment is realized when row, and can reach identical technical effect, to avoid repeating, here not
It repeats again.
The embodiment of the present invention also provides a kind of computer readable storage medium, and meter is stored on computer readable storage medium
Calculation machine program, the computer program realize each process of above-mentioned photographic method embodiment when being executed by processor, and can reach
Identical technical effect, to avoid repeating, which is not described herein again.Wherein, the computer readable storage medium is deposited Ru read-only
Reservoir (Read-Only Memory, abbreviation ROM), random access memory (Random Access Memory, abbreviation RAM),
Magnetic or disk etc..
It should be noted that, in this document, the terms "include", "comprise" or its any other variant are intended to non-row
His property includes, so that the process, method, article or the device that include a series of elements not only include those elements, and
And further include other elements that are not explicitly listed, or further include for this process, method, article or device institute it is intrinsic
Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including being somebody's turn to do
There is also other identical elements in the process, method of element, article or device.
Through the above description of the embodiments, those skilled in the art can be understood that above-described embodiment side
Method can be realized by means of software and necessary general hardware platform, naturally it is also possible to by hardware, but in many cases
The former is more preferably embodiment.Based on this understanding, technical solution of the present invention substantially in other words does the prior art
The part contributed out can be embodied in the form of software products, which is stored in a storage medium
In (such as ROM/RAM, magnetic disk, CD), including some instructions are used so that a terminal (can be mobile phone, computer, service
Device, air conditioner or network equipment etc.) execute method described in each embodiment of the present invention.
The embodiment of the present invention is described with above attached drawing, but the invention is not limited to above-mentioned specific
Embodiment, the above mentioned embodiment is only schematical, rather than restrictive, those skilled in the art
Under the inspiration of the present invention, without breaking away from the scope protected by the purposes and claims of the present invention, it can also make very much
Form belongs within protection of the invention.
Claims (16)
1. a kind of photographic method, it is applied to terminal, which is characterized in that the photographic method includes:
It obtains the overexposure preview image of photographed scene and owes to expose preview image；
It shows the overexposure preview image and owes to expose preview image；
Receive the first input of user；
In response to first input, the overexposure preview image and the deficient exposure value for exposing preview image are adjusted,
Obtain exposure value adjusted；
Receive the second input of user；
In response to second input, according to the exposure value adjusted, takes pictures, export target image.
2. the method according to claim 1, wherein the overexposure preview image for obtaining photographed scene and deficient exposure
Preview image, comprising:
Obtain the normal exposure preview image of photographed scene；
According to preset first exposure value, image procossing is carried out to the normal exposure preview image, obtains overexposure preview image；
According to preset second exposure value, image procossing is carried out to the normal exposure preview image, obtains owing to expose preview image.
3. the method according to claim 1, wherein first input includes that the first son input and the second son are defeated
Enter；
It is described to be inputted in response to described first, the overexposure preview image and the deficient exposure value for exposing preview image are adjusted
It is whole, obtain exposure value adjusted, comprising:
In response to the first son input, the exposure value of the overexposure preview image is adjusted, the overexposure preview is obtained
The bloom part details of image clearly first object exposure value；
In response to the second son input, the deficient exposure value for exposing preview image is adjusted, the deficient exposure preview is obtained
The dark portion details of image clearly the second target light exposure value；
Wherein, the exposure value adjusted includes the first object exposure value and the second target light exposure value.
4. according to the method described in claim 3, it is characterized in that, described take pictures according to the exposure value adjusted,
Export target image, comprising:
It controls camera and shoots normal exposure image；
According to the first object exposure value, image procossing is carried out to the normal exposure image, obtains the first image；
According to the second target light exposure value, image procossing is carried out to the normal exposure image, obtains the second image；
The normal exposure image, the first image and second image are subjected to image synthesis, export target image.
5. according to the method described in claim 3, it is characterized in that, described take pictures according to the exposure value adjusted,
Export target image, comprising:
The first object exposure value is converted into the first shutter duration；
The second target light exposure value is converted into the second shutter duration；
Progress when preset normal exposure parameter, the first shutter duration, second shutter is respectively adopted in control camera
Row exposure, obtains normal exposure image, the first image and the second image；
The normal exposure image, the first image and second image are subjected to image synthesis, export target image.
6. according to the method described in claim 3, it is characterized in that, the bloom part for obtaining the overexposure preview image is thin
After saving clearly first object exposure value, the method also includes:
Show the first object exposure value；
The dark portion details for obtaining the deficient exposure preview image clearly after the second target light exposure value, also wrap by the method
It includes:
Show the second target light exposure value.
7. the method according to claim 1, wherein the overexposure preview image for obtaining photographed scene and deficient exposure
Preview image, comprising:
Obtain the normal exposure preview image of photographed scene；
According to the first quantity of preset overexposure preview image and exposure value interval, figure is carried out to the normal exposure preview image
As processing, the overexposure preview image of first quantity is obtained；
According to it is preset it is deficient expose preview image the second quantity and the exposure value interval, to the normal exposure preview image into
Row image procossing obtains the deficient exposure preview image of second quantity；
Wherein, it is divided between the exposure value normal exposure preview image, the overexposure preview image and the deficient exposure is pre-
After image of looking at is arranged according to the sequence of exposure value from small to large, the difference of the exposure value of two images of arbitrary neighborhood.
8. the method according to the description of claim 7 is characterized in that first input includes that the input of third and the 4th son are defeated
Enter；
It is described to be inputted in response to described first, the overexposure preview image and the deficient exposure value for exposing preview image are adjusted
It is whole, exposure value adjusted is obtained, including
It is inputted in response to third, adjust the quantity of overexposure preview image and owes to expose the quantity of preview image, wherein is described
The quantity of overexposure preview image and the deficient quantity for exposing preview image are associated with the input parameter that third inputs；
In response to the 4th son input, the exposure value interval is adjusted, wherein the exposure value interval and the 4th son are defeated
The input parameter entered is associated；
According to the quantity of overexposure preview image adjusted and the exposure value interval adjusted, each overexposure preview is determined
The exposure value of image；
According to the deficient quantity for exposing preview image adjusted and the exposure value interval adjusted, determine that each owes to expose preview
The exposure value of image；
Wherein, the quantity of the overexposure preview image is identical as the deficient exposure quantity of preview image.
9. according to the method described in claim 8, it is characterized in that, described take pictures according to the exposure value adjusted,
Export target image, comprising:
It controls camera and shoots normal exposure image；
Successively according to the exposure value of each overexposure preview image, image procossing is carried out to the normal exposure image, is obtained
Expose image；
The exposure value for successively owing to expose preview image according to each owes normal exposure image progress image procossing
Expose image；
The normal exposure image, the overexposure image and the deficient exposure image are subjected to image synthesis, export target image.
10. according to the method described in claim 8, being clapped it is characterized in that, described according to the exposure value adjusted
According to output target image, comprising:
When the exposure value of each overexposure preview image and each exposure value for owing exposure preview image are respectively converted into shutter
It is long；
Predetermined normal exposure parameter is respectively adopted in control camera, each shutter duration for being converted to is exposed,
It obtains normal exposure image, overexposure image and owes to expose image；
The normal exposure image, the overexposure image and the deficient exposure image are subjected to image synthesis, export target image.
11. according to the method described in claim 8, it is characterized in that, the quantity of the adjustment overexposure preview image and deficient exposure are pre-
It lookes at after the quantity of image, the method also includes:
It shows the quantity of overexposure preview image adjusted and owes to expose the quantity of preview image；
After the adjustment exposure value interval, the method also includes:
Show exposure value interval adjusted.
12. the method according to claim 2 or 7, which is characterized in that it is described obtain photographed scene overexposure preview image and
Before owing to expose preview image, the method also includes:
Receive the third input of user；
The third input is responded, the overexposure preview image for obtaining photographed scene is executed and is owed the step of exposing preview image.
13. according to the method for claim 12, which is characterized in that the normal exposure preview image is shown in the firstth area
Domain, the overexposure preview image and the deficient exposure preview image are shown in second area；
To slidably input, the sliding initial position slidably inputed is located in the first area, described for the third input
The sliding end position slidably inputed is located in the second area；
First input for receiving user, comprising:
User is received in the first input of second area；
Wherein, the first area and the second area are the different zones of same display screen；Alternatively, the terminal includes the
One screen and the second screen, the first area are located on first screen, and the second area is located on the second screen.
14. a kind of terminal characterized by comprising
Preview image obtains module, for obtaining the overexposure preview image of photographed scene and owing to expose preview image；
Preview image display module, for showing the overexposure preview image and owing to expose preview image；
First receiving module, for receiving the first input of user；
Exposure value adjusts module, for inputting in response to described first, to the overexposure preview image and the deficient exposure preview graph
The exposure value of picture is adjusted, and obtains exposure value adjusted；
Second receiving module, for receiving the second input of user；
Photo module, for according to the exposure value adjusted, taking pictures, exporting target in response to second input
Image.
15. a kind of terminal, including memory, processor and it is stored on the memory and can runs on the processor
Computer program；It is characterized in that, the processor is realized as described in any one of claims 1 to 13 when executing described program
Photographic method.
16. a kind of computer readable storage medium, is stored thereon with computer program, which is characterized in that the program is by processor
The step in the photographic method as described in any one of claims 1 to 13 is realized when execution.
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