CN106911886A - For the self-shoot guidance method and device of terminal of autodyning - Google Patents
For the self-shoot guidance method and device of terminal of autodyning Download PDFInfo
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- CN106911886A CN106911886A CN201510979681.5A CN201510979681A CN106911886A CN 106911886 A CN106911886 A CN 106911886A CN 201510979681 A CN201510979681 A CN 201510979681A CN 106911886 A CN106911886 A CN 106911886A
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- terminal
- area
- auto heterodyne
- remaining area
- area image
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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
- H04N23/60—Control of cameras or camera modules
- H04N23/63—Control of cameras or camera modules by using electronic viewfinders
Abstract
A kind of self-shoot guidance method and device for terminal of autodyning, methods described includes：Guiding window of the display with the first area is on the display screen of the auto heterodyne terminal；The area of the guiding window is gradually reduced to second area to the direction residing for the auto heterodyne terminal camera, the second area is less than first area.Above-mentioned scheme can improve the rate in blocks autodyned using auto heterodyne terminal so that the number of times that user repeats to autodyne is reduced, and saves the resources costs for shooting.
Description
Technical field
Technique for taking field the present invention relates to be used for intelligent terminal, more particularly to it is a kind of for terminal of autodyning
Self-shoot guidance method and device.
Background technology
At present, increasing intelligent terminal has all carried front camera, to facilitate user to make with oneself
Autodyned with these auto heterodyne terminals, by referring to the image exported on the terminal screen towards oneself
Adjustment shoots attitude, and is no longer shot to obtain suitable output image by other people.Example
Such as, present smart mobile phone has all carried front camera, and the front camera is generally positioned at Mobile phone screen
The top of curtain, exports the image that camera is photographed on mobile phone display screen, user is by referring to mobile phone screen
In image attitude is adjusted obtain suitable image.
Usually, when the image for shooting needs output facial image, it is required for photographer to try one's best and sees to shooting
Head, with the nature so that the image that shooting is obtained seems, so, in the scene autodyned, except special shooting
Effect is typically necessary user and sees to front camera outside needing.
However, user often forgets to see to camera when autodyning, consequently, it is possible to optimal right moment for camera is missed,
So that it is unnatural to shoot the image that obtains, user's reselection of having to is caused to restart to shoot, therefore,
The ratio (being referred to herein as rate in blocks) that shooting obtains natural photo is relatively low, wastes the money of shooting
Source cost.
The content of the invention
Present invention solves the technical problem that being how to improve the rate in blocks autodyned using auto heterodyne terminal, make
The number of times reduction that user repeats to autodyne is obtained, the resources costs of shooting are saved.
In order to solve the above technical problems, the embodiment of the present invention provides a kind of self-shoot guidance of user's auto heterodyne terminal
Method, including：
Guiding window of the display with the first area is on the display screen of the auto heterodyne terminal；
The area of the guiding window is gradually reduced to second to the direction residing for the auto heterodyne terminal camera
Area, the second area is less than first area.
Alternatively, the described self-shoot guidance method for terminal of autodyning also includes：
Monitor the selection imaging operation of user；
Before user's determination selection imaging operation is monitored, the guiding window from first face is repeated
The long-pending reduction process to the second area.
Alternatively, the guiding window is being gradually reduced to the direction residing for the auto heterodyne terminal camera
During area to second area, the contrast of remaining area image is reduced, wherein, the remaining area image
It is other images on the auto heterodyne terminal display screen in addition to the guiding window.
Alternatively, the contrast for reducing remaining area image, including：
Use formula L ' (X, Y)=(L (X, Y) -128) × alpha+offset reductions remaining area image
Contrast, wherein, L (X, Y) be reduce contrast before the remaining area image slices vegetarian refreshments brightness value,
L ' (X, Y) is the brightness value of the remaining area image slices vegetarian refreshments after reduction contrast, and alpha is the contrast
The multiplying power for reducing is spent, offset is the average value of the remaining area image all pixels point brightness value.
Alternatively, the guiding window is being gradually reduced to the direction residing for the auto heterodyne terminal camera
During area to second area, the saturation degree of remaining area image is reduced, wherein, the remaining area image
It is other images on the auto heterodyne terminal display screen in addition to the guiding window.
Alternatively, the saturation degree for reducing remaining area image, including：
Using formula u '=(u-128) × beta, v '=(v-128) × beta calculates the remaining area image slices vegetarian refreshments
Color component, wherein, u, v be reduce saturation degree before color component, u ', v ' for reduce saturation degree
Color component afterwards, beta is the multiplying power of the saturation degree reduction.
The embodiment of the present invention also provides a kind of self-shoot guidance device for terminal of autodyning, including：
Initial display unit, is suitable to guiding window of the display with the first area in the aobvious of the auto heterodyne terminal
In display screen；
Guidance unit, is suitable to the guiding window is gradually reduced to the direction residing for the auto heterodyne terminal camera
To second area, the second area is less than first area to the area of mouth.
Alternatively, the self-shoot guidance device for terminal of autodyning, also includes：
Monitoring unit, is suitable to monitor the selection imaging operation of user；
Cycling element, was suitable to before user's determination selection imaging operation is monitored, and repeated the guiding window
Mouth is from first area to the reduction process of the second area.
Alternatively, the guidance unit includes that contrast reduces unit, is suitable to：
The area of the guiding window to the is being gradually reduced to the direction residing for the auto heterodyne terminal camera
During two areas, the contrast of remaining area image is reduced, wherein, the remaining area image is except described
Other images on the auto heterodyne terminal display screen outside guiding window.
Alternatively, the contrast reduces unit, is suitable to：
Use formula L ' (X, Y)=(L (X, Y) -128) × alpha+offset reductions remaining area image
Contrast, wherein, L (X, Y) be reduce contrast before the remaining area image slices vegetarian refreshments brightness value,
L ' (X, Y) is the brightness value of the remaining area image slices vegetarian refreshments after reduction contrast, and alpha is the contrast
The multiplying power for reducing is spent, offset is the average value of the remaining area image all pixels point brightness value.
Alternatively, the guidance unit includes desaturation unit, is suitable to：
The area of the guiding window to the is being gradually reduced to the direction residing for the auto heterodyne terminal camera
During two areas, the saturation degree of remaining area image is reduced, wherein, the remaining area image is except described
Other images on the auto heterodyne terminal display screen outside guiding window.
Alternatively, the desaturation unit is suitable to：
Using formula u '=(u-128) × beta, v '=(v-128) × beta calculates the remaining area image slices vegetarian refreshments
Color component, wherein, u, v be reduce saturation degree before color component, u ', v ' for reduce saturation degree
Color component afterwards, beta is the multiplying power of the saturation degree reduction.
Compared with prior art, the technical scheme of the embodiment of the present invention has the advantages that：
The technical scheme of the embodiment of the present invention is by guiding window of the display with the first area in the auto heterodyne
On the display screen of terminal, the guiding window is gradually reduced to the direction residing for the auto heterodyne terminal camera
Area to second area, so as to remind and guide user to be looked with the direction of image down, with see to
Auto heterodyne terminal camera, so as to user be chosen to as when obtain natural shooting image, it is to avoid user
Forget to see that repetition shoots to camera, and then improve rate in blocks, reduce the number of times that user repeats to autodyne,
The terminal resource for shooting and taking is saved, while be also convenient for user using.
Further, the technical scheme of the embodiment of the present invention passes through to reduce described in addition to the guiding window
The contrast and saturation degree of other images on auto heterodyne terminal display screen, with the display of prominent guiding window,
User is set to be easier to notice guiding window and looked to auto heterodyne camera, so as to improve rate in blocks.
Brief description of the drawings
Fig. 1 is a kind of flow chart of the self-shoot guidance method for terminal of autodyning in the embodiment of the present invention；
Fig. 2 is flow chart of the another kind in the embodiment of the present invention for the self-shoot guidance method of terminal of autodyning；
Fig. 3 A to Fig. 3 D be in Fig. 2 described in step S202 to residing for the auto heterodyne terminal camera
Direction is gradually reduced the area of the guiding window to the process schematic of second area；
Fig. 4 is a kind of structural representation of the self-shoot guidance device for terminal of autodyning in the embodiment of the present invention
Figure；
Fig. 5 is that the another kind in the embodiment of the present invention shows for the structure of the self-shoot guidance device of terminal of autodyning
It is intended to.
Specific embodiment
As background technology is sayed, usually, when the image for shooting needs output facial image, it is required for
Photographer tries one's best and sees to camera, with the nature so that the image that shooting is obtained seems, so, what is autodyned
In scene, in addition to special shooting effect needs, it is typically necessary user and sees to front camera.However,
User often forgets to see to camera when autodyning so that the image that shooting is obtained is unnatural, causes user
Reselection of having to restarts to shoot, therefore, the ratio that shooting obtains natural photo is relatively low, wastes
The resources costs for shooting.
The embodiment of the present invention is by guiding window of the display with the first area in the display of the auto heterodyne terminal
On screen, the area of the guiding window to the is gradually reduced to the direction residing for the auto heterodyne terminal camera
Two areas, so as to remind and guide user to be looked with the direction of image down, taken the photograph to auto heterodyne terminal with being seen
As head, so as to user be chosen to as when obtain natural shooting image, it is to avoid user forgets to see to taking the photograph
Repeat to shoot as head, and then improve rate in blocks, save the terminal resource for shooting and taking, while also side
Just user uses.
It is understandable to enable above-mentioned purpose of the invention, feature and beneficial effect to become apparent, with reference to
Accompanying drawing is described in detail to specific embodiment of the invention.
Fig. 1 is a kind of flow chart of the self-shoot guidance method for terminal of autodyning in the embodiment of the present invention,
The self-shoot guidance method of user's auto heterodyne terminal as shown in Figure 1, may comprise steps of：
Step S101：Guiding window of the display with the first area is on the display screen of the auto heterodyne terminal.
In specific implementation, the auto heterodyne terminal can be mobile phone, camera or other take the photograph with preposition
The terminal device of user's auto heterodyne needs, the front camera and the display of the auto heterodyne terminal are met as head
Screen both faces towards user's face.
In specific implementation, when the auto heterodyne terminal enters self-timer mode, in the aobvious of the auto heterodyne terminal
Show that screen display has the guiding window of first area.Wherein, the first area of the guiding window
The display screen area of the auto heterodyne terminal can be less than, it is also possible to the display screen with the auto heterodyne terminal
Area equation.
Step S102：The guiding window is gradually reduced to the direction residing for the auto heterodyne terminal camera
To second area, the second area is less than first area to area.
In specific implementation, the guiding window is gradually reduced to second area, institute from first area
The guiding window for stating second area is located at the adjacent domain of the auto heterodyne terminal camera, therefore the guiding
Window is integrally gradually reduced to direction described in auto heterodyne terminal camera.
In specific implementation, to ensure preferable implementation result, second face can be arranged as required to
Product so that sight line is not seen substantially to camera when second area is unlikely to cause greatly very much guiding.Meanwhile,
The size of first area is preferably clearly distinguishable from the size of the second area so that guiding window contracting
Small process is more obvious.
In specific implementation, area to the mode of second area that the guiding window is gradually reduced can
In the way of being animation or other modes.Wherein, the guiding window from the first face is made in animated way
When product is reduced into the second area, animation time can be arranged as required to, i.e., from first area
Be contracted to the time of the second area, suitable animation time should it is long with ensure user have compared with
Good experience, while animation time too short can not be caused very much soon with avoiding the guiding window area from changing
Guiding effect on driving birds is not good, user easily ignores bootup process.
The present embodiment is by guiding window of the display with the first area in the display screen of the auto heterodyne terminal
On, the area of the guiding window is gradually reduced to second to the direction residing for the auto heterodyne terminal camera
Area, so as to remind and guide user to be looked with the direction of image down, imaged to auto heterodyne terminal with being seen
Head, so as to user be chosen to as when obtain natural shooting image, it is to avoid user forgets to see to shooting
Head and repeat to shoot, and then improve rate in blocks, the terminal resource for shooting and taking is saved, while being also convenient for
User uses.
Fig. 2 is a kind of flow chart of the self-shoot guidance method for terminal of autodyning in the embodiment of the present invention,
The self-shoot guidance method of user's auto heterodyne terminal as shown in Figure 2, may comprise steps of：
Step S201：Guiding window of the display with the first area is on the display screen of the auto heterodyne terminal；
Step S202：The guiding window is gradually reduced to the direction residing for the auto heterodyne terminal camera
To second area, the second area is less than first area to area；
Step S203：Monitor the selection imaging operation of user；
Step S204：Monitor user determine selection imaging operation before, repeat it is described guiding window from
First area to the second area reduction process.
The specific implementation of step S201 is identical with the implementation method of step S101 in Fig. 1, repeats no more.
In the specific implementation of step S202, gradually contracted to the direction residing for the auto heterodyne terminal camera
During area to the second area of the small guiding window, the contrast of remaining area image can be reduced, its
In, the remaining area image is other on the auto heterodyne terminal display screen in addition to the guiding window
Image.
Specifically, it is possible to use formula L ' (X, Y)=(L (X, Y) -128) × alpha+offset reductions are described surplus
The contrast of remaining area image, wherein, L (X, Y) is the remaining area image slices vegetarian refreshments before reduction contrast
Brightness value, L ' (X, Y) be reduce contrast after the remaining area image slices vegetarian refreshments brightness value, alpha
It is the multiplying power of contrast reduction, offset is the flat of the remaining area image all pixels point brightness value
Average.Work as alpha=1, during offset=128, the brightness value of the remaining area image slices vegetarian refreshments is constant.
When offset values are between 0~1, the excursion of the brightness value of the remaining area image slices vegetarian refreshments becomes
It is small, such that it is able to reduce contrast by adjusting the brightness of pixel in the remaining area image.Together
When, when offset values are less than 128, the luminance level of the remaining area image can decline, so that can
While contrast is reduced, to reduce the brightness of the remaining area.
In specific implementation, institute can also be gradually reduced to the direction residing for the auto heterodyne terminal camera
When stating area to the second area of guiding window, the saturation degree of remaining area image is reduced, wherein, it is described
Remaining area image is other images on the auto heterodyne terminal display screen in addition to the guiding window.
Specifically, using formula u '=(u-128) × beta, v '=(v-128) × beta calculates the remaining area figure
As the color component of pixel, wherein, u, v are to reduce the color component before saturation degree, and u ', v ' they are drop
Color component after low saturation, beta is the multiplying power of the saturation degree reduction.
Fig. 3 A to Fig. 3 D are refer to below, and said process is illustrated.Fig. 3 A to Fig. 3 D show
The animation process that the guiding window gone out in step S202 reduces, it can be seen that described autodyne eventually
End 30 is mobile phone, and the auto heterodyne terminal camera is the front camera M of mobile phone, the front camera
M both faces towards face with mobile phone display screen curtain.
The guiding window refers to the white portion in mobile phone display screen curtain image in Fig. 3 A to Fig. 3 D,
Original state is guiding window of the display with the first area 301 in the display screen of the auto heterodyne terminal 30
On, the area of the guiding window then is gradually reduced to institute to the direction residing for the front camera M
State second area 302.It should be noted that Fig. 3 A to Fig. 3 D illustrate only the aobvious of the auto heterodyne terminal
4 kinds of dispaly state schematic diagrames of display screen curtain, to illustrate that the guiding window is changed to Fig. 3 D's from Fig. 3 A
Situation, and the diminution process of actually described guiding window may also include the display screen of other auto heterodyne terminals
The dispaly state of curtain, those skilled in the art should be able to understand step S202 from the signal of Fig. 3 A to Fig. 3 D
Described in diminution it is described guiding window process.
At the same time, it is possible to use formula L ' (X, Y)=(L (X, Y) -128) × alpha+offset reductions are remaining
The brightness value of the image slices vegetarian refreshments of region 303, wherein, L (X, Y) (please for the remaining area before reducing contrast
Reference picture 3A to Fig. 3 D grey areas) 303 image slices vegetarian refreshments brightness value, L ' (X, Y) for reduce it is right
Than the brightness value of the image slices vegetarian refreshments of the remaining area after degree 303, alpha be contrast reduction times
Rate, offset is the average value of the auto heterodyne terminal screen output image all pixels point brightness value；
Formula u '=(u-128) × beta can also be used, v '=(v-128) × beta calculates the remaining area (please
Reference picture 3A to Fig. 3 D grey areas) image slices vegetarian refreshments color component, wherein, u, v for reduce
Color component before saturation degree, to reduce the color component after saturation degree, beta is the saturation degree for u ', v '
The multiplying power of reduction.
The present embodiment is by guiding window of the display with the first area in the display screen of the auto heterodyne terminal
On, the area of the guiding window is gradually reduced to second to the direction residing for the auto heterodyne terminal camera
Area, so as to remind and guide user to be looked with the direction of image down, imaged to auto heterodyne terminal with being seen
Head, so as to user be chosen to as when obtain natural shooting image, it is to avoid user forgets to see to shooting
Head misses optimal right moment for camera and repetition shoots, and then improves rate in blocks, and it is secondary that reduction user's repetition is autodyned
Number, saves the terminal resource for shooting and taking, while be also convenient for user using.
Further, the present embodiment is by reducing the auto heterodyne terminal display screen in addition to the guiding window
On other images contrast and saturation degree, with the display of prominent guiding window, user is easier note
Anticipate to guiding window and looked to auto heterodyne camera, so as to improve rate in blocks.
The present embodiment also add step S203 and step S204, monitor the selection imaging operation of user,
User is clicked on before shooting acknowledgement key determination selection imaging operation, repeats the guiding window from described first
Area to the second area reduction process so that user it is determined that can obtain all the time before being chosen to picture
To the guiding of the guiding window, so as to will not forget to see to camera.
Specifically, for example, guiding window to be contracted to second area from first area when described,
And user is not clicked on still when shooting acknowledgement key (not determining to select imaging operation), the guiding window
Size will again become first area again, and the S202 that repeats the above steps operation so that the guiding
Window is gradually reduced to the second area to the direction residing for the auto heterodyne terminal camera again.According to
Such repetitive mode, until the auto heterodyne terminal monitoring to user determines selection imaging operation.
The above-mentioned corresponding device of method will be further described in detail below.
Fig. 4 is a kind of structural representation of the self-shoot guidance device for terminal of autodyning in the embodiment of the present invention
Figure, self-shoot guidance device 40 as shown in Figure 4 can include：Initial display unit 401 and guiding are single
Unit 402；
The initial display unit 401, is suitable to guiding window of the display with the first area and is autodyned eventually in described
On the display screen at end；
The guidance unit 402, is suitable to be gradually reduced to the direction residing for the auto heterodyne terminal camera described
Guide the area of window to second area, the second area is less than first area.
The present embodiment is by guiding window of the display with the first area in the display screen of the auto heterodyne terminal
On, so that the area of the guiding window to the to be gradually reduced to the direction residing for the auto heterodyne terminal camera
Two areas, so as to remind and guide user to be looked with the direction of image down, taken the photograph to auto heterodyne terminal with being seen
As head, so as to user be chosen to as when obtain natural shooting image, it is to avoid user forgets to see to taking the photograph
Repeat to shoot as head, and then improve rate in blocks, reduce the number of times that user repeats to autodyne, save shooting
The terminal resource of occupancy, while be also convenient for user using.
Fig. 5 is that the another kind in the embodiment of the present invention shows for the structure of the self-shoot guidance device of terminal of autodyning
It is intended to, the self-shoot guidance device 50 for terminal of autodyning as shown in Figure 5 can include：Initial display
Unit 501, guidance unit 502, monitoring unit 503 and cycling element 504.Wherein：
The initial display unit 501, is suitable to guiding window of the display with the first area and is autodyned eventually in described
On the display screen at end；
The guidance unit 502, is suitable to be gradually reduced to the direction residing for the auto heterodyne terminal camera described
Guide the area of window to second area, the second area is less than first area；
The monitoring unit 503, is suitable to monitor the selection imaging operation of user；
The cycling element 504, was suitable to before user's determination selection imaging operation is monitored, and repeated described
Reduction process of the guiding window from first area to the second area.
In specific implementation, the guidance unit 502 includes that contrast reduces unit 5021, the contrast
Degree reduces unit 5021 and is suitable to the guiding is being gradually reduced to the direction residing for the auto heterodyne terminal camera
During the area of window to second area, the contrast of remaining area image is reduced, wherein, the remaining area
Area image is other images on the auto heterodyne terminal display screen in addition to the guiding window.
In specific implementation, described pair compares reduction unit 5021 and is suitable to：Use formula
The contrast of L ' (X, Y)=(L (X, Y) -128) × alpha+offset reductions remaining area image, its
In, L (X, Y) is the brightness value of the remaining area image slices vegetarian refreshments before reduction contrast, and L ' (X, Y) is drop
The brightness value of the remaining area image slices vegetarian refreshments after low contrast, alpha be contrast reduction times
Rate, offset is the average value of the remaining area image all pixels point brightness value.
In specific implementation, the guidance unit 502 can also include desaturation unit 5022, institute
Desaturation unit 5022 is stated to be suitable to institute is being gradually reduced to the direction residing for the auto heterodyne terminal camera
When stating area to the second area of guiding window, the saturation degree of remaining area image is reduced, wherein, it is described
Remaining area image is other images on the auto heterodyne terminal display screen in addition to the guiding window.
In specific implementation, the desaturation unit 5022 is suitable to：Use formula
U '=(u-128) × beta, v '=(v-128) × beta calculate the color component of the remaining area image slices vegetarian refreshments,
Wherein, u, v are to reduce the color component before saturation degree, and u ', v ' are the color component after reduction saturation degree,
Beta is the multiplying power of the saturation degree reduction.
The present embodiment is by guiding window of the display with the first area in the display screen of the auto heterodyne terminal
On, the area of the guiding window is gradually reduced to second to the direction residing for the auto heterodyne terminal camera
Area, so as to remind and guide user to be looked with the direction of image down, imaged to auto heterodyne terminal with being seen
Head, so as to user be chosen to as when obtain natural shooting image, it is to avoid user forgets to see to shooting
Head and repeat to shoot, and then improve rate in blocks, reduce the number of times that user repeats to autodyne, save shooting and account for
Terminal resource, while be also convenient for user using.
Further, the present embodiment is by reducing the auto heterodyne terminal display screen in addition to the guiding window
On other images contrast and saturation degree, with the display of prominent guiding window, user is easier note
Anticipate to guiding window and looked to auto heterodyne camera, so as to improve rate in blocks.
Further, the present embodiment is determined by monitoring the selection imaging operation of user user is being monitored
Before selection imaging operation, contracting of the guiding window from first area to the second area is repeated
Small step so that user it is determined that can be obtained all the time before being chosen to picture it is described guiding window guiding,
So as to forget to see to camera.
One of ordinary skill in the art will appreciate that all or part of step in the various methods of above-described embodiment
Rapid to can be by program to instruct the hardware of correlation to complete, the program can be stored in computer-readable
In storage medium, storage medium can include：ROM, RAM, disk or CD etc..
Although present disclosure is as above, the present invention is not limited to this.Any those skilled in the art,
Without departing from the spirit and scope of the present invention, can make various changes or modifications, therefore guarantor of the invention
Shield scope should be defined by claim limited range.
Claims (12)
1. a kind of self-shoot guidance method for terminal of autodyning, it is characterised in that including：
Guiding window of the display with the first area is on the display screen of the auto heterodyne terminal；
The area of the guiding window is gradually reduced to the second face to the direction residing for the auto heterodyne terminal camera
Product, the second area is less than first area.
2. the self-shoot guidance method for terminal of autodyning according to claim 1, it is characterised in that also wrap
Include：
Monitor the selection imaging operation of user；
Before user's determination selection imaging operation is monitored, the guiding window from first area is repeated
To the reduction process of the second area.
3. the self-shoot guidance method for terminal of autodyning according to claim 1, it is characterised in that to
Direction residing for the auto heterodyne terminal camera is gradually reduced the area of the guiding window to second area
When, the contrast of remaining area image is reduced, wherein, the remaining area image is except the guiding
Other images on the auto heterodyne terminal display screen outside window.
4. the self-shoot guidance method for terminal of autodyning according to claim 3, it is characterised in that described
The contrast of remaining area image is reduced, including：
Use formula L ' (X, Y)=(L (X, Y) -128) × alpha+offset reductions remaining area image
Contrast, wherein, L (X, Y) is the brightness value of the remaining area image slices vegetarian refreshments before reduction contrast,
L ' (X, Y) is the brightness value of the remaining area image slices vegetarian refreshments after reduction contrast, and alpha is described right
Than the multiplying power of degree reduction, offset is the average value of the remaining area image all pixels point brightness value.
5. the self-shoot guidance method for terminal of autodyning according to claim 1, it is characterised in that to
Direction residing for the auto heterodyne terminal camera is gradually reduced the area of the guiding window to second area
When, the saturation degree of remaining area image is reduced, wherein, the remaining area image is except the guiding
Other images on the auto heterodyne terminal display screen outside window.
6. the self-shoot guidance method for terminal of autodyning according to claim 5, it is characterised in that described
The saturation degree of remaining area image is reduced, including：
Using formula u '=(u-128) × beta, v '=(v-128) × beta calculates the remaining area image slices vegetarian refreshments
Color component, wherein, u, v are to reduce the color component before saturation degree, and u ', v ' they are reduction saturation degree
Color component afterwards, beta is the multiplying power of the saturation degree reduction.
7. a kind of self-shoot guidance device for terminal of autodyning, it is characterised in that including：
Initial display unit, is suitable to guiding window of the display with the first area in the display of the auto heterodyne terminal
On screen；
Guidance unit, is suitable to the guiding window is gradually reduced to the direction residing for the auto heterodyne terminal camera
Area to second area, the second area be less than first area.
8. the self-shoot guidance device for terminal of autodyning according to claim 7, it is characterised in that also wrap
Include：
Monitoring unit, is suitable to monitor the selection imaging operation of user；
Cycling element, was suitable to before user's determination selection imaging operation is monitored, and repeated the guiding window
From first area to the reduction process of the second area.
9. the self-shoot guidance device for terminal of autodyning according to claim 7, it is characterised in that described
Guidance unit includes that contrast reduces unit, is suitable to：
The area of the guiding window is being gradually reduced to the direction residing for the auto heterodyne terminal camera to second
During area, the contrast of remaining area image is reduced, wherein, the remaining area image is except described
Other images on the auto heterodyne terminal display screen outside guiding window.
10. the self-shoot guidance device for terminal of autodyning according to claim 9, it is characterised in that described
Contrast reduces unit, is suitable to：
Use formula L ' (X, Y)=(L (X, Y) -128) × alpha+offset reductions remaining area image
Contrast, wherein, L (X, Y) is the brightness value of the remaining area image slices vegetarian refreshments before reduction contrast,
L ' (X, Y) is the brightness value of the remaining area image slices vegetarian refreshments after reduction contrast, and alpha is described right
Than the multiplying power of degree reduction, offset is the average value of the remaining area image all pixels point brightness value.
The 11. self-shoot guidance devices for terminal of autodyning according to claim 7, it is characterised in that described
Guidance unit includes desaturation unit, is suitable to：
The area of the guiding window is being gradually reduced to the direction residing for the auto heterodyne terminal camera to second
During area, the saturation degree of remaining area image is reduced, wherein, the remaining area image is except described
Other images on the auto heterodyne terminal display screen outside guiding window.
The 12. self-shoot guidance devices for terminal of autodyning according to claim 11, it is characterised in that described
Desaturation unit is suitable to：
Using formula u '=(u-128) × beta, v '=(v-128) × beta calculates the remaining area image slices vegetarian refreshments
Color component, wherein, u, v are to reduce the color component before saturation degree, and u ', v ' they are reduction saturation degree
Color component afterwards, beta is the multiplying power of the saturation degree reduction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510979681.5A CN106911886A (en) | 2015-12-23 | 2015-12-23 | For the self-shoot guidance method and device of terminal of autodyning |
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| CN107277375A (en) * | 2017-07-31 | 2017-10-20 | 维沃移动通信有限公司 | A kind of self-timer method and mobile terminal |
| CN108650454A (en) * | 2018-04-23 | 2018-10-12 | 联想(北京)有限公司 | A kind of information processing method, electronic equipment and computer readable storage medium |
| CN110945862A (en) * | 2017-08-10 | 2020-03-31 | 华为技术有限公司 | Self-photographing guiding method and terminal |
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