CN109729272A - A kind of filming control method, terminal device and computer readable storage medium - Google Patents
A kind of filming control method, terminal device and computer readable storage medium Download PDFInfo
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- CN109729272A CN109729272A CN201910013635.8A CN201910013635A CN109729272A CN 109729272 A CN109729272 A CN 109729272A CN 201910013635 A CN201910013635 A CN 201910013635A CN 109729272 A CN109729272 A CN 109729272A
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Abstract
This application discloses a kind of filming control method, terminal device and computer readable storage mediums, are applied to technical field of image processing.This method comprises: whether there is the characteristic area of preset kind subject in detection preview screen；If so, determining the clarity and size of the characteristic area in preview screen；Whether the clarity of the characteristic area in detection preview screen reaches the first clarity threshold, and whether the size of the characteristic area in preview screen reaches first size threshold value；If clarity is not up to the first clarity threshold, when receiving shooting instruction, the first acquisition parameters are adjusted, so that the clarity of characteristic area reaches the first clarity threshold in the picture of shooting；If size is not up to first size threshold value, when receiving shooting instruction, the second acquisition parameters are adjusted, so that the size of characteristic area reaches first size threshold value in the picture of shooting.As it can be seen that being conducive to the image quality for improving image by implementing the embodiment of the present application.
Description
Technical field
This application involves technical field of image processing more particularly to a kind of filming control methods, terminal device and computer
Readable storage medium storing program for executing.
Background technique
With the continuous development of terminal technology, terminal device (for example, smart phone, plate etc.) is daily with people
It lives closely bound up, function is more and more, and operation is increasingly easier.The camera function of terminal device has become one at present
Very popular function.Terminal device shooting personage, animal, landscape etc. can be used to record life in user.
However find in practical applications, the image picture quality that terminal device is shot sometimes is not high, causes user can not
Identify the content in picture.Therefore, how to improve the image quality of the image of shooting is current urgent problem to be solved.
Summary of the invention
The embodiment of the present application provides a kind of filming control method, terminal device and computer readable storage medium, is conducive to
Improve the image quality of the image of shooting.
In a first aspect, the embodiment of the present application provides a kind of filming control method, comprising:
Terminal device detects the characteristic area that whether there is preset kind subject in preview screen；
If the terminal device determines the institute in the preview screen there are the characteristic area in the preview screen
State the clarity and size of characteristic area；
It is clear whether the clarity that the terminal device detects the characteristic area in the preview screen reaches first
Threshold value is spent, and whether the size of the characteristic area in the preview screen reaches first size threshold value；
If the clarity of the characteristic area in the preview screen is not up to first clarity threshold, connecing
When receiving shooting instruction, the terminal device is adjusted the first acquisition parameters, so that characteristic area described in the picture of shooting
The clarity in domain reaches first clarity threshold；
If the size of the characteristic area in the preview screen is not up to the first size threshold value, receiving
When shooting instruction, the terminal device is adjusted the second acquisition parameters, so that characteristic area described in the picture of shooting
Size reaches the first size threshold value.
Second aspect, the embodiment of the present application provide a kind of terminal device, which includes for executing above-mentioned
The unit of the method for one side.
The third aspect, the embodiment of the present application provide another terminal device, including processor, memory and camera,
The processor, memory and camera are connected with each other, wherein the memory executes above-mentioned for storage support identification equipment
The computer program of method, the computer program include program instruction, and the processor is configured for calling described program
Instruction, the method for executing above-mentioned first aspect.Optionally, which may also include user interface.
Fourth aspect, the embodiment of the present application provide a kind of computer readable storage medium, the computer-readable storage
Media storage has computer program, and the computer program includes program instruction, and described program instructs when being executed by a processor
The method for making the processor execute above-mentioned first aspect.
In the embodiment of the present application, terminal device can detecte the clear of the characteristic area of preset kind subject in preview screen
Clear degree and size.If the clarity in this feature region is lower, size is smaller, then is adjusted to acquisition parameters, so that shooting
Picture in this feature region clarity and size get a promotion, so that user is capable of the picture in preferably identification feature region
Face.Therefore, by implementing the embodiment of the present application, be conducive to the image quality for improving image.
Detailed description of the invention
Technical solution in ord to more clearly illustrate embodiments of the present application, below will be to needed in embodiment description
Attached drawing is briefly described, it should be apparent that, the accompanying drawings in the following description is some embodiments of the present application, general for this field
For logical technical staff, without creative efforts, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of flow diagram of filming control method provided by the embodiments of the present application；
Fig. 2 is a kind of schematic diagram of preview screen provided by the embodiments of the present application；
Fig. 3 is the flow diagram of another filming control method provided by the embodiments of the present application；
Fig. 4 is the flow diagram of another filming control method provided by the embodiments of the present application；
Fig. 5 is the flow diagram of another filming control method provided by the embodiments of the present application；
Fig. 6 is a kind of schematic diagram of facial area selection interface provided by the embodiments of the present application；
Fig. 7 is the flow diagram of another filming control method provided by the embodiments of the present application；
Fig. 8 is a kind of structural schematic diagram of terminal device provided by the embodiments of the present application；
Fig. 9 is the structural schematic diagram of another terminal device provided by the embodiments of the present application.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present application, technical solutions in the embodiments of the present application is described, and is shown
So, described embodiment is some embodiments of the present application, instead of all the embodiments.Based on the implementation in the application
Example, every other embodiment obtained by those of ordinary skill in the art without making creative efforts belong to
The range of the application protection.
In order to improve shooting image image quality, the embodiment of the present application provides a kind of filming control method, terminal
Equipment and computer readable storage medium.Wherein, which may include any equipment with camera function.For example, should
Terminal device can be mobile phone, computer, plate, personal computer, smartwatch, camera and unmanned plane etc., and the application does not limit
It is fixed.
Referring to Figure 1, Fig. 1 is a kind of flow diagram of filming control method provided by the embodiments of the present application.Specifically,
As shown in Figure 1, the filming control method may comprise steps of 101~step 105, in which:
101, it whether there is the characteristic area of preset kind subject in terminal device detection preview screen.
In the embodiment of the present application, terminal device can export preview screen before capturing the image, clap when camera is aligned
When taking the photograph object, the image of the subject can be shown in the preview screen.User can imitate according to the preview of subject in preview screen
Fruit decides whether to be shot.Optionally, terminal device enters after preview screen, so that it may detect in the preview screen whether
There are the characteristic areas of preset kind subject.Alternatively, terminal device enters after preview screen, user's input can receive
For starting the enabled instruction of clear mode；Terminal device starts clear mode, and detects in preview screen under clear mode
With the presence or absence of the characteristic area of preset kind subject.
Wherein, which can be the subject of the types such as personage, dog or cat.Preset kind subject
Characteristic area can be the facial area of preset kind subject, the head zone of preset kind subject or preset kind shooting
The whole body etc. of object.For example, the characteristic area of preset kind subject can be personage if preset kind subject is personage
Facial area.If preset kind subject is dog, the characteristic area of preset kind subject can be the header area of dog
Domain.If preset kind subject is cat, the characteristic area of preset kind subject can be the whole body of cat.
In the embodiment of the present application, if terminal device detects that there are the characteristic areas of preset kind subject in preview screen
Domain thens follow the steps 102.Optionally, if terminal device detects the feature that preset kind subject is not present in preview screen
Region, then terminal device continues to test the characteristic area that whether there is preset kind subject in preview screen.
If terminal device determines this feature region in preview screen 102, there are this feature region in preview screen
Clarity and size.
For example, terminal device detection whether there is the facial area of personage in preview screen.If terminal device detects
Into preview screen, there are the facial areas of personage, then terminal device determines the clarity of the facial area of personage in preview screen
And size.
As an alternative embodiment, terminal device can be according to the feature of preset kind subject in preview screen
The brightness value and color in region are made an uproar pixel quantity, determine the clarity of the characteristic area of preset kind subject in preview screen.
For example, if the brightness value of the facial area of personage is lower in preview screen, and color makes an uproar that pixel quantity is more, then terminal is set
It is standby to determine that the clarity of the facial area of personage in preview screen is lower.
Optionally, the corresponding relationship that brightness value and color are made an uproar between pixel quantity and clarity three can be preset,
To which terminal device is made an uproar according to the brightness value of the characteristic area of preset kind subject and color in the corresponding relationship and preview screen
Pixel quantity, so that it may determine the clarity of the characteristic area of preset kind subject in preview screen.For example, terminal device can
Preset the corresponding relationship that brightness value and color as shown in table 1 below are made an uproar between pixel quantity and clarity three.If pre-
The brightness value of the characteristic area of preset kind subject in picture of looking at is 100 nits (nit), and color pixel quantity of making an uproar is 200, then
The clarity of the characteristic area of preset kind subject is definition values 1 in preview screen.Brightness value is higher, and color is made an uproar pixel number
Amount is fewer, and corresponding clarity is higher.For example, as shown in table 1 below, definition values 3 are greater than definition values 2 and are greater than definition values 1.
Table 1
| Brightness value | Color is made an uproar pixel quantity | Clarity |
| 100 | 200 | Definition values 1 |
| 120 | 180 | Definition values 2 |
| 130 | 150 | Definition values 3 |
Optionally, when, there are when multiple characteristic areas, terminal device can be selected from multiple characteristic areas in preview screen
A characteristic area is selected as target signature region, and only determines the clarity and ruler of the target signature region in preview screen
It is very little.It determines in preview screen after the clarity and size of the target signature region, judges the target signature area in preview screen
Whether the clarity in domain reaches the first clarity threshold, and whether the size of the target signature region reaches in preview screen
One size threshold.If the clarity of the target signature region is not up to first clarity threshold in preview screen, receiving
When to shooting instruction, terminal device is adjusted the first acquisition parameters, so that the target signature region in the picture of shooting
Clarity reaches the first clarity threshold.If the size of target signature region is not up to the first size threshold value in preview screen,
Then when receiving shooting instruction, terminal device is adjusted the second acquisition parameters, so that target signature in the picture of shooting
The size in region reaches first size threshold value.
In practical applications, it is possible to occur multiple characteristic areas in preview screen, some of them characteristic area may be
Unessential characteristic area (such as facial area of passerby).Therefore, when there are the more of preset kind subject in preview screen
When a characteristic area, select a characteristic area as target signature region from multiple characteristic area, and only need to protect
The clarity and size for demonstrate,proving target signature region, are not necessary to guaranty that the clarity and size of all characteristic areas, are conducive in this way
Reduce the complexity of algorithm.
For example, it whether there is the facial area of personage in terminal device detection preview screen.As shown in Fig. 2, terminal
There are the facial areas of three personages in the preview screen of equipment.Terminal device needs are selected from the facial area of three personages
The facial area of a personage is selected as target signature region.For example, terminal device selects facial area 2 as target signature area
Domain.Terminal device determines the clarity and size in preview screen septum reset region 2.Terminal device judges preview screen septum reset area
Whether the clarity in domain 2 reaches the first clarity threshold, and whether the size in preview screen septum reset region 2 reaches the first ruler
Very little threshold value.If the clarity in preview screen septum reset region 2 is not up to first clarity threshold, shooting instruction is being received
When, terminal device is adjusted the first acquisition parameters, so that the clarity in the picture septum reset region 2 of shooting reaches first clearly
Clear degree threshold value.If the size of target signature region is not up to the first size threshold value in preview screen, refer to receiving shooting
When enabling, terminal device is adjusted the second acquisition parameters, so that the size in the picture septum reset region 2 of shooting reaches the first ruler
Very little threshold value.
Optionally, which can be characterized the nearest characteristic area in center of region distance preview screen
Domain.For example, center of the facial area 2 apart from preview screen is nearest in Fig. 2, then facial area 2 is target signature region.
By implementing the embodiment, most important characteristic area can be selected from the characteristic area of multiple subject.
Optionally, which can be characterized the maximum characteristic area of size in region.
Optionally, which can take the photograph the characteristic area of object for first count, which sets for terminal
The most subject of frequency of occurrence in the image of standby storage.Specifically, terminal device can extract feature letter from characteristic area
Breath, and search whether that there are the corresponding subject in this feature region in the image that terminal device stores according to this feature information.
By implementing the embodiment, most important characteristic area can be selected from the characteristic area of multiple subject.
For example, including the facial area 1 of personage 1, the facial area 2 of personage 2, the facial area of personage 3 in preview screen
3.Terminal device extracts the characteristic information of personage 1 from facial area 1, and is deposited according to the characteristic information of personage 1 in terminal device
Search whether that there are personages 1 in the image of storage.Terminal device extracts the characteristic information of personage 2 from facial area 2, and according to people
The characteristic information of object 2 searches whether that there are personages 2 in the image that terminal device stores.Terminal device is mentioned from facial area 3
The characteristic information of personage 3 is taken, and searches whether that there are personages in the image that terminal device stores according to the characteristic information of personage 3
3.If terminal device finds personage 1 in 10 images of storage, personage 2 is found in 30 images of storage,
Personage 3 is found in 20 images of storage, then terminal device determines that personage 2 is the first subject, and facial area 2 is that target is special
Levy region.
103, whether the clarity in this feature region in terminal device detection preview screen reaches the first clarity threshold,
And whether the size in this feature region in preview screen reaches first size threshold value.
In the embodiment of the present application, terminal device determines the clarity of the characteristic area of preset kind subject in preview screen
After size, whether the clarity for detecting this feature region in preview screen reaches the first clarity threshold, and preview is drawn
Whether the size in this feature region reaches first size threshold value in face.
Wherein, first clarity threshold and first size threshold value can be pre-configured fixed value.For example, feature
The definition values in region are not high or size is smaller will lead to that image picture quality is not high, and user can not see characteristic area.Cause
This, it is a biggish value that the first clarity threshold, which can be set, and first size threshold value is that user can be made to see characteristic area clearly
One suitably sized, and the image quality of the characteristic area for the image shot is improved with this.
Alternatively, the first clarity threshold and first size threshold value can also be determined by other means.How is determined
One clarity threshold for details, reference can be made to the description of Fig. 3 and Fig. 4, how first size threshold value for details, reference can be made to the descriptions of Fig. 5, herein
It does not repeat.
If the clarity in this feature region 104, in preview screen is not up to first clarity threshold, receiving
When shooting instruction, terminal device is adjusted the first acquisition parameters so that shooting picture in this feature region clarity
Reach the first clarity threshold.
If 105, the size of the characteristic area in preview screen is not up to the first size threshold value, refer to receiving shooting
When enabling, terminal device is adjusted the second acquisition parameters, so that the size in this feature region reaches first in the picture of shooting
Size threshold.
For example, terminal device detection whether there is the facial area of personage in preview screen.If terminal device
Detect that there are the facial areas of personage 1 in preview screen, then terminal device determines the facial area of personage 1 in preview screen
Clarity and size.If the clarity of the facial area of personage 1 is not up to the first clarity threshold in preview screen, and pre-
The size of the facial area of personage 1 in picture of looking at is not up to first size threshold value, then terminal device when receiving shooting instruction,
First acquisition parameters and the second acquisition parameters are adjusted so that shooting picture in personage 1 facial area clarity
Reach the first clarity threshold, size reaches first size threshold value.Optionally, the first acquisition parameters can be the time for exposure.Example
Such as, the clarity of the facial area of personage 1 in picture of the time for exposure to improve shooting can be increased.Second acquisition parameters can be with
For focal length.For example, focal length can be increased, the size of the facial area of personage 1 in the picture to increase shooting.
The characteristic area of subject is one of most important part in image, in the method depicted in fig. 1, terminal device
It can detecte the clarity and size of the characteristic area of preset kind subject in preview screen.If this feature region is clear
Spend lower, size is smaller, then acquisition parameters are adjusted so that in the picture of shooting this feature region clarity and size
It gets a promotion, so that user is capable of the picture in preferably identification feature region.Therefore, by implementing method described in Fig. 1, have
Conducive to the image quality for improving image.And in the method depicted in fig. 1, terminal device, which only detects, presets class in preview screen
The clarity and size of the characteristic area of type subject do not detect the clarity and size in other regions, advantageously reduce in this way
The power consumption of terminal device.
Fig. 3 is referred to, Fig. 3 is the flow diagram of another filming control method provided by the embodiments of the present application.Specifically
, as shown in figure 3, the filming control method may comprise steps of 301~step 308, in which:
301, it whether there is the characteristic area of preset kind subject in terminal device detection preview screen.
If terminal device determines this feature region in preview screen 302, there are this feature region in preview screen
Clarity and size.
Wherein, the specific embodiment of step 301 and step 302 and step 101 shown in FIG. 1 and step 102 is specific
Embodiment is identical, and for details, reference can be made to the specific embodiments of above-mentioned steps 101 and step 102, and this will not be repeated here.
303, terminal device detects the first light intensity value.
Wherein, step 303~step 305 can execute before step 302, or execute after step 302, and the application is real
Apply example without limitation.Terminal device detects that terminal is set there are after the characteristic area of preset kind subject in preview screen
Standby just detectable first light intensity value.
Optionally, terminal device can detect the first light intensity value by light sensor.First light intensity value is
Ambient light intensity value locating for terminal device.
304, terminal device is according to the corresponding pass between preset light intensity value, pixel value and clarity threshold three
System obtains the corresponding clarity threshold of pixel value of the first light intensity value and terminal device.
305, terminal device determines the corresponding clarity threshold of the pixel value of the first light intensity value and terminal device
For the first clarity threshold.
In the embodiment of the present application, pixel value is the pixel value of terminal device camera.For example, the pixel value of terminal device can
Think 12,000,000 pixels, 20,000,000 pixels, 25,000,000 pixels etc..
For example, terminal device can be preset between light intensity value, pixel value and clarity threshold three
Corresponding relationship.For example, the corresponding relationship can be as shown in table 2 below.Light intensity value 100 and the corresponding clarity threshold of pixel value 1000
1.Light intensity value 200 and the corresponding clarity threshold 2 of pixel value 1100.Light intensity value 300 and pixel value 2000 are corresponding clear
Spend threshold value 3.If terminal device obtain light intensity be 100 luxs (Lx), terminal device pixel value be 10,000,000 pictures
Element, then the first clarity threshold that terminal device determines are clarity threshold 1.Optionally, light intensity value is bigger, pixel value more
Height, corresponding clarity threshold is with regard to big.For example, clarity threshold 3 is greater than clarity threshold 2, clarity threshold 2 is greater than clarity
Threshold value 1.
Table 2
| Light intensity value | Pixel value | Clarity threshold |
| 100 | 1000 | Clarity threshold 1 |
| 200 | 1100 | Clarity threshold 2 |
| 300 | 2000 | Clarity threshold 3 |
In practical applications, if current environment dark, how no matter terminal device, which adjust acquisition parameters, is all difficult
Shoot the picture being apparent.If biggish first clarity threshold of fixation is arranged, terminal device be will be unable to first
Acquisition parameters are adjusted, so that the clarity of characteristic area is greater than the first clarity threshold in the image shot.And such as
The pixel value of fruit terminal device itself is lower, and the first clarity threshold is larger, and terminal device also can not be to the first acquisition parameters
It is adjusted, so that the clarity of characteristic area is greater than the first clarity threshold in the image shot.
Therefore, by 303~step 305 of implementation steps, terminal device can be according to current ambient light intensity and end
The pixel value at end neatly determines suitable first clarity threshold.
306, whether the clarity in this feature region in terminal device detection preview screen reaches the first clarity threshold,
And whether the size in this feature region in preview screen reaches first size threshold value.
If the clarity in this feature region 307, in preview screen is not up to first clarity threshold, receiving
When shooting instruction, terminal device is adjusted the first acquisition parameters so that shooting picture in this feature region clarity
Reach the first clarity threshold.
If 308, the size of the characteristic area in preview screen is not up to the first size threshold value, refer to receiving shooting
When enabling, terminal device is adjusted the second acquisition parameters, so that the size in this feature region reaches first in the picture of shooting
Size threshold.
Wherein, step 306~step 308 specific embodiment and step 103~step 105 shown in FIG. 1 is specific
Embodiment is identical, and for details, reference can be made to the specific embodiments of 103~step 105 of above-mentioned steps, and this will not be repeated here.
Fig. 4 is referred to, Fig. 4 is the flow diagram of another filming control method provided by the embodiments of the present application.Specifically
, as shown in figure 4, the filming control method may comprise steps of 401~step 409, in which:
401, terminal device obtains all target figures including preset kind subject from the image that terminal device stores
Picture.
Optionally, the first clarity threshold can be determined as the period using preset time.For example, every 10 days are a week
Phase determines that first clarity threshold, i.e. step 401~step 404 can be executed primary with every 10 days.
402, terminal device calculates the clarity of the characteristic area of preset kind subject in each target image.
403, terminal device calculates the clarity average value of all target sharpness.
404, the clarity average value is determined as the first clarity threshold by terminal device.
For example, the characteristic area of preset kind subject is the facial area of personage.Terminal device stores 100
Image.Wherein, 1~image of image 50 includes the facial area of personage.Therefore, 1~image of image 50 is target image.Terminal is set
It is standby that 1~image of image 50 is obtained from 100 images of storage.Terminal device determines the clear of the facial area of personage in image 1
The clarity 50 of the facial area of personage in clear degree 1~image 50.The clarity of terminal device calculating 1~clarity of clarity 50
Average value, and the clarity average value is determined as the first clarity threshold.
In practical applications, the value of maximum articulation that the picture of different terminal equipment shooting can reach is not identical.If
One the first fixed clarity threshold is set, which may be more than the picture that terminal device is shot most
Big definition values.Therefore, if one the first fixed clarity threshold of setting will not be able to satisfy the demand of all terminal devices.
By 401~step 404 of implementation steps, a suitable terminal can be determined according to the history image that terminal device itself is shot
First clarity threshold of equipment.Therefore, by 401~step 404 of implementation steps, the first clarity threshold can be neatly determined
Value.
405, it whether there is the characteristic area of the preset kind subject in terminal device detection preview screen.
If terminal device determines this feature region in preview screen 406, there are this feature region in preview screen
Clarity and size.
407, whether the clarity in this feature region in terminal device detection preview screen reaches the first clarity threshold,
And whether the size in this feature region in preview screen reaches first size threshold value.
If the clarity in this feature region 408, in preview screen is not up to first clarity threshold, receiving
When shooting instruction, terminal device is adjusted the first acquisition parameters, so that the clarity of characteristic area reaches in the picture of shooting
To the first clarity threshold.
If 409, the size of the characteristic area in preview screen is not up to the first size threshold value, refer to receiving shooting
When enabling, terminal device is adjusted the second acquisition parameters, so that the size of characteristic area reaches the first ruler in the picture of shooting
Very little threshold value.
Wherein, step 405~step 409 specific embodiment and step 101~step 105 shown in FIG. 1 is specific
Embodiment is identical, and for details, reference can be made to the specific embodiments of 101~step 105 of above-mentioned steps, and this will not be repeated here.
Fig. 5 is referred to, Fig. 5 is the flow diagram of another filming control method provided by the embodiments of the present application.Specifically
, as shown in figure 5, the filming control method may comprise steps of 501~step 508, in which:
501, terminal device receives the image selection instruction of user's input.
502, it includes default class that terminal device, which instructs according to image selection and selects one from the image that terminal device stores,
The target image of type subject.
503, the characteristic area of the preset kind subject in the target image of selection is sized to by terminal device
First size threshold value.
For example, preset kind subject is personage, and characteristic area is facial area.Terminal device stores 100
Image.If user is satisfied to the size of the facial area of personage in image 1, user can be inputted for selecting image
1 image selection instruction.After terminal device receives image selection instruction, image 1 is selected, and by the face of personage in image 1
Portion region is sized to first size threshold value.
Optionally, terminal device has the setting button for first size threshold value to be arranged, and user clicks the setting button
Later, all pictures that terminal device can store in outlet terminal equipment, user can be to the picture stored in terminal device
It is selected.
In practical applications, different users requires the size of the picture of shooting possible different.If setting one solid
Fixed first size threshold value, it is impossible to meet the needs of all users.By 501~step 503 of implementation steps, user can root
A suitable first size threshold value is selected according to the demand oneself of itself.It therefore, can by 501~step 503 of implementation steps
Neatly determine first size threshold value.
As an alternative embodiment, if with multiple features of preset kind subject in the target image of selection
Region, then terminal device marks multiple characteristic area in the target image；Terminal device prompts user from multiple feature
A characteristic area is selected in region；Terminal device receives user by touching the characteristic area choosing that fisrt feature region is inputted
Select instruction；Correspondingly, terminal device determines the size of the characteristic area of the preset kind subject in the target image of selection
For the specific embodiment of first size threshold value are as follows: fisrt feature region is sized to first size threshold by terminal device
Value.Based on the optional embodiment, first size threshold value can be neatly determined.
For example, preset kind subject is personage, and characteristic area is facial area.Terminal device stores 100
Image.For example, as shown in fig. 6, user has selected image 1.The facial area of facial area 1, personage 2 in image 1 including personage 1
The facial area 3 in domain 2 and personage 3.Terminal device select image 1 after, mark in the image 1 personage 1 facial area 1,
The facial area 2 of personage 2 and the facial area 3 of personage 3, and prompt information is exported in interface, to prompt user from multiple faces
A facial area is selected in portion region.User can carry out touch operation to facial area, to input for facial area
Carry out the selection instruction of selection.For example, as shown in fig. 6, terminal device selects facial area if user touches facial area 1
Domain 1, and facial area 1 is sized to first size threshold value.
Optionally, if with multiple characteristic areas of preset kind subject, terminal device in the target image of selection
It is also an option that maximum characteristic area is sized to first size threshold value, or preset kinds all in target image are shot
The average value of the size of the characteristic area of object is determined as first size threshold value.
Optionally, if with multiple characteristic areas of preset kind subject, terminal device in the target image of selection
Also a fisrt feature region can be randomly selected, and the fisrt feature region is sized to first size threshold value.Example
Such as, multiple characteristic area includes facial area 1 and facial area 2, if the difference of the size of facial area 1 and facial area 2
Within preset range, i.e. the size of facial area 1 and facial area 2 is not much different, then terminal device can randomly choose face
Region 1 or facial area 2 are used as fisrt feature region.
504, it whether there is the characteristic area of the preset kind subject in terminal device detection preview screen.
If terminal device determines this feature region in preview screen 505, there are this feature region in preview screen
Clarity and size.
506, whether the clarity in this feature region in terminal device detection preview screen reaches the first clarity threshold,
And whether the size in this feature region in preview screen reaches first size threshold value.
If the clarity in this feature region 507, in preview screen is not up to first clarity threshold, receiving
When shooting instruction, terminal device is adjusted the first acquisition parameters, so that the clarity of characteristic area reaches in the picture of shooting
To the first clarity threshold.
If 508, the size of the characteristic area in preview screen is not up to the first size threshold value, refer to receiving shooting
When enabling, terminal device is adjusted the second acquisition parameters, so that the size of characteristic area reaches the first ruler in the picture of shooting
Very little threshold value.
Wherein, step 504~step 508 specific embodiment and step 101~step 105 shown in FIG. 1 is specific
Embodiment is identical, and for details, reference can be made to the specific embodiments of 101~step 105 of above-mentioned steps, and this will not be repeated here.
Fig. 7 is referred to, Fig. 7 is the flow diagram of another filming control method provided by the embodiments of the present application.Specifically
, as shown in fig. 7, the filming control method may comprise steps of 701~step 710:
701, it whether there is the characteristic area of the preset kind subject in terminal device detection preview screen.
If terminal device determines this feature region in preview screen 702, there are this feature region in preview screen
Clarity and size.
703, whether the clarity in this feature region in terminal device detection preview screen reaches the first clarity threshold,
And whether the size in this feature region in preview screen reaches first size threshold value.
If the clarity in this feature region 704, in preview screen is not up to first clarity threshold, receiving
When shooting instruction, terminal device is adjusted the first acquisition parameters so that shooting picture in this feature region clarity
Reach the first clarity threshold.
If 705, the size of the characteristic area in preview screen is not up to the first size threshold value, refer to receiving shooting
When enabling, terminal device is adjusted the second acquisition parameters, so that the size in this feature region reaches first in the picture of shooting
Size threshold.
Wherein, step 701~step 705 specific embodiment and step 101~step 105 shown in FIG. 1 is specific
Embodiment is identical, and for details, reference can be made to the specific embodiments of 101~step 105 of above-mentioned steps, and this will not be repeated here.
If the characteristic area of preset kind subject 706, is not present in preview screen, terminal device is according to default rotation
Speed rotating camera.
In the embodiment of the present application, terminal device has rotating camera.Terminal device can control camera and rotate to the left
Or it rotates to the right.
707, terminal device whether there is preset kind subject in detection preview screen during camera rotates
Characteristic area.
In the embodiment of the present application, terminal device will continue to whether deposit in detection preview screen during camera rotates
In the characteristic area of the subject of preset kind.Optionally, if terminal device camera rotation duration be more than preset duration
When be also not detected in preview screen there are the characteristic area of preset kind subject, then terminal device can stop rotating camera shooting
Head.
If 708, detecting that there are the characteristic areas of preset kind subject in preview screen during camera rotates
Domain, then whether the characteristic area of terminal device detection preset kind subject is in the middle position of preview screen.
Optionally, if detecting the spy that preset kind subject is not present in preview screen during camera rotation
Region is levied, then continues rotating camera, and whether there is preset kind in detection preview screen during camera rotation
The characteristic area of subject.
709, the camera if so, terminal device stops rotating.
Optionally, after terminal device stops rotating camera, step 702 can be jumped to, that is, is determined in preview screen
The clarity and size in this feature region.
710, if it is not, then terminal device rotating camera is in preview screen until the characteristic area of preset kind subject
Middle position.
Optionally, terminal device rotating camera is in preview screen until the characteristic area of preset kind subject
Between after position, step 702 can be jumped to, that is, determine the clarity and size in this feature region in preview screen.
By execute step 706~step 710, terminal device can automatic rotating camera so that preset kind clap
The characteristic area for taking the photograph object can appear in preview screen.
Above method embodiment is all to the filming control method of the application for example, description to each embodiment
It all emphasizes particularly on different fields, there is no the part being described in detail in some embodiment, reference can be made to the related descriptions of other embodiments.
Fig. 8 is referred to, Fig. 8 is a kind of structural schematic diagram of terminal device provided by the embodiments of the present application.The application is implemented
The terminal device of example includes the unit for executing above-mentioned filming control method.Specifically, the terminal device 800 of the present embodiment can
It include: detection unit 801, determination unit 802 and shooting unit 803.Wherein, detection unit 801, for detecting in preview screen
With the presence or absence of the characteristic area of preset kind subject；
Determination unit 802, it is pre- there are determining when this feature region in preview screen for being detected in detection unit 801
Look at the clarity and size in this feature region in picture；
Whether detection unit 801, the clarity for being also used to detect this feature region in preview screen reach first clearly
Threshold value is spent, and whether the size in this feature region in preview screen reaches first size threshold value；
Shooting unit 803, for detecting that the clarity in this feature region in preview screen does not reach in detection unit 801
When to the first clarity threshold, when receiving shooting instruction, the first acquisition parameters are adjusted, so that in the picture of shooting
The clarity in this feature region reaches the first clarity threshold；
Shooting unit 803, for detecting that the size in this feature region in preview screen is not up in detection unit 801
When first size threshold value, when receiving shooting instruction, the second acquisition parameters are adjusted, so that the spy in the picture of shooting
The size in sign region reaches first size threshold value.
Optionally, terminal device further includes acquiring unit, in which:
Whether detection unit 801, the clarity for being also used to detect the characteristic area in preview screen in detection unit 801 reach
To before the first clarity threshold, the first light intensity value is detected；
Acquiring unit, for according to the corresponding pass between preset light intensity value, pixel value and clarity threshold three
System obtains the corresponding clarity threshold of pixel value of the first light intensity value and terminal device；
Determination unit 802 is also used to the corresponding clarity threshold of the pixel value of the first light intensity value and terminal device
Value is determined as the first clarity threshold.
Optionally, terminal device further includes acquiring unit and computing unit, in which:
Whether acquiring unit, the clarity for detecting the characteristic area in preview screen in detection unit 801 reach the
Before one clarity threshold, all target images including preset kind subject are obtained from the image that terminal device stores；
Computing unit, for calculating the target sharpness of the characteristic area in each target image；
Computing unit is also used to calculate the clarity average value of all target sharpness；
Determination unit 802 is also used to clarity average value being determined as the first clarity threshold.
Optionally, terminal device further includes receiving unit and selecting unit, in which:
Whether receiving unit, the clarity for detecting the characteristic area in preview screen in detection unit 801 reach the
Before one clarity threshold, the image selection instruction of user's input is received；
Selecting unit includes default class for selecting one from the image that terminal device stores according to image selection instruction
The target image of type subject；
Determination unit 802, the size of the characteristic area of preset kind subject is true in the target image for being also used to select
It is set to first size threshold value.
Optionally, terminal device further includes marking unit and prompt unit, in which:
Marking unit is selecting one according to image selection instruction for selecting unit from the image that terminal device stores
After target image including preset kind subject, if with multiple spies of preset kind subject in the target image of selection
Region is levied, then marks multiple characteristic areas in the target image；
Prompt unit, for prompting user to select a characteristic area from multiple characteristic areas；
Receiving unit is also used to receive the characteristic area selection instruction that user is inputted by touching fisrt feature region；
The characteristic area of preset kind subject in the target image of selection is sized to first by determination unit 802
The mode of size threshold specifically: fisrt feature region is sized to first size threshold value by determination unit 802.
Optionally, determination unit 802 determines the mode of the clarity of the characteristic area in preview screen specifically: determines single
Member 802 is made an uproar pixel quantity according to the brightness value and color of the characteristic area in preview screen, determines the characteristic area in preview screen
The clarity in domain.
Optionally, rotary unit and control unit, in which:
Rotary unit, for detecting the feature that preset kind subject is not present in preview screen in detection unit 801
When region, according to default rotation speed rotating camera；
Detection unit 801 is also used to whether there is preset kind in detection preview screen during camera rotates
The characteristic area of subject；
Detection unit 801 is also used to detect that there are preset kind bats in preview screen during camera rotates
When taking the photograph the characteristic area of object, whether the characteristic area of detection preset kind subject is in the middle position of preview screen；
Control unit detects that the characteristic area of preset kind subject is in preview screen for detection unit 801
When middle position, stop rotating camera.
Rotary unit is also used to detection unit 801 and detects that the characteristic area of preset kind subject is not in preview picture
When the middle position in face, rotating camera is in the middle position of preview screen until the characteristic area of preset kind subject.
Specifically, the terminal device can realize shooting control of the above-mentioned Fig. 1 into embodiment illustrated in fig. 7 by said units
Step some or all of in method.It should be understood that the embodiment of the present application is the Installation practice of corresponding method embodiment, to method
The description of embodiment, is also applied for the embodiment of the present application.
Fig. 9 is referred to, for the embodiment of the invention provides a kind of structural schematic diagrams of terminal device.As shown in figure 9, the end
End equipment includes: processor 901, memory 902 and camera 903.Optionally, which further includes communication bus, should
Communication bus is for realizing the connection communication between these components.Wherein, memory 905 can be high speed RAM memory, can also
To be non-labile memory (non-volatile memory), for example, at least a magnetic disk storage.Memory 902 can
Choosing can also be that at least one is located remotely from the storage device of aforementioned processor 901.Wherein, one group is stored in memory 902
Program code, and processor 901 calls the program code stored in memory 902, for performing the following operations:
Detect the characteristic area that whether there is preset kind subject in preview screen；
If existing characteristics region in preview screen, it is determined that the clarity and size of the characteristic area in preview screen；
Whether the clarity of the characteristic area in detection preview screen reaches the first clarity threshold, and in preview screen
The size of characteristic area whether reach first size threshold value；
If the clarity of the characteristic area in preview screen is not up to the first clarity threshold, shooting instruction is being received
When, the first acquisition parameters are adjusted, so that the clarity of characteristic area reaches first clearly in the picture that camera 903 is shot
Clear degree threshold value；
If the size of the characteristic area in preview screen is not up to first size threshold value, when receiving shooting instruction,
Second acquisition parameters are adjusted, so that the size of characteristic area reaches first size threshold in the picture that camera 903 is shot
Value.
Optionally, whether the clarity that processor 901 detects the characteristic area in preview screen reaches the first clarity threshold
Before value, it can also carry out following steps:
Detect the first light intensity value；
According to the corresponding relationship between preset light intensity value, pixel value and clarity threshold three, the first light is obtained
The corresponding clarity threshold of the pixel value of line intensity value and terminal device；
The corresponding clarity threshold of the pixel value of first light intensity value and terminal device is determined as the first clarity
Threshold value.
Optionally, whether the clarity that processor 901 detects the characteristic area in preview screen reaches the first clarity threshold
Before value, it can also carry out following steps:
All target images including preset kind subject are obtained from the image that terminal device stores；
Calculate the target sharpness of the characteristic area in each target image；
Calculate the clarity average value of all target sharpness；
Clarity average value is determined as the first clarity threshold.
Optionally, processor 901 detect preview screen in characteristic area size whether reach first size threshold value it
Before, it can also carry out following steps:
Receive the image selection instruction of user's input；
The mesh including preset kind subject is selected from the image that terminal device stores according to image selection instruction
Logo image；
The characteristic area of preset kind subject in the target image of selection is sized to first size threshold value.
Optionally, it includes pre- that processor 901, which instructs according to image selection and selects one from the image that terminal device stores,
If can also carry out following steps after the target image of type subject:
If being marked in the target image in the target image of selection with multiple characteristic areas of preset kind subject
Multiple characteristic areas out；
Prompt user selects a characteristic area from multiple characteristic areas；
Receive the characteristic area selection instruction that user is inputted by touching fisrt feature region；
The characteristic area of preset kind subject in the target image of selection is sized to the first ruler by processor 901
The mode of very little threshold value specifically:
Fisrt feature region is sized to first size threshold value.
Optionally, processor 901 determines the mode of the clarity of the characteristic area in preview screen specifically:
It is made an uproar pixel quantity according to the brightness value of the characteristic area in preview screen and color, determines the feature in preview screen
The clarity in region.
Optionally, processor 901 calls the program code stored in memory 902, is also used to execute following operation:
If the characteristic area of preset kind subject is not present in preview screen, imaged according to rotation speed rotation is preset
First 903；
It whether there is the characteristic area of preset kind subject in detection preview screen during camera 903 rotates
Domain；
If detecting that there are the characteristic areas of preset kind subject in preview screen during camera 903 rotates
Whether domain, the then characteristic area for detecting preset kind subject are in the middle position of preview screen；
If so, the camera 903 that stops rotating.
If it is not, then rotating camera 903 is in the interposition of preview screen until the characteristic area of preset kind subject
It sets.
In the specific implementation, above-mentioned Fig. 1 can be performed to shown in Fig. 7 in processor 901 etc. described in the embodiment of the present application
The implementation of each unit described in the embodiment of the present application Fig. 8 also can be performed in implementation described in embodiment of the method,
It does not repeat herein.
The embodiment of the present application also provides a kind of computer readable storage medium, the computer-readable recording medium storage
There is computer program, bat described in embodiment corresponding to Fig. 1 to Fig. 7 can be realized when the computer program is executed by processor
Step some or all of is taken the photograph in control method, can also realize the function of the terminal device of the application Fig. 8 or embodiment illustrated in fig. 9
Can, it does not repeat herein.
The embodiment of the present application also provides a kind of computer program products comprising instruction, when it runs on computers
When, so that step some or all of in the computer execution above method.
The computer readable storage medium can be the storage inside list of identification equipment described in aforementioned any embodiment
Member, such as the hard disk or memory of identification equipment.The computer readable storage medium is also possible to the outside of the identification equipment
The plug-in type hard disk being equipped in storage equipment, such as the identification equipment, intelligent memory card (Smart Media Card, SMC),
Secure digital (Secure Digital, SD) card, flash card (Flash Card) etc..
In this application, term "and/or", only a kind of incidence relation for describing affiliated partner, indicates may exist
Three kinds of relationships, for example, A and/or B, can indicate: individualism A exists simultaneously A and B, these three situations of individualism B.Separately
Outside, character "/" herein typicallys represent the relationship that forward-backward correlation object is a kind of "or".
In the various embodiments of the application, magnitude of the sequence numbers of the above procedures are not meant to the elder generation of execution sequence
Afterwards, the execution sequence of each process should be determined by its function and internal logic, the implementation process structure without coping with the embodiment of the present application
At any restriction.
The above, the only some embodiments of the application, but the protection scope of the application is not limited thereto, it is any
Those familiar with the art within the technical scope of the present application, can readily occur in various equivalent modifications or replace
It changes, these modifications or substitutions should all cover within the scope of protection of this application.
Claims (10)
1. a kind of filming control method, which is characterized in that the described method includes:
Terminal device detects the characteristic area that whether there is preset kind subject in preview screen；
If the terminal device determines the spy in the preview screen there are the characteristic area in the preview screen
Levy the clarity and size in region；
Whether the clarity that the terminal device detects the characteristic area in the preview screen reaches the first clarity threshold
Value, and whether the size of the characteristic area in the preview screen reaches first size threshold value；
If the clarity of the characteristic area in the preview screen is not up to first clarity threshold, receiving
When shooting instruction, the terminal device is adjusted the first acquisition parameters, so that characteristic area described in the picture of shooting
Clarity reaches first clarity threshold；
If the size of the characteristic area in the preview screen is not up to the first size threshold value, shooting is being received
When instruction, the terminal device is adjusted the second acquisition parameters, so that the size of characteristic area described in the picture of shooting
Reach the first size threshold value.
2. the method according to claim 1, wherein the terminal device detect it is described in the preview screen
Before whether the clarity of characteristic area reaches the first clarity threshold, the method also includes:
The terminal device detects the first light intensity value；
The terminal device is obtained according to the corresponding relationship between preset light intensity value, pixel value and clarity threshold three
Take the corresponding clarity threshold of the pixel value of first light intensity value and the terminal device；
The terminal device is by the corresponding clarity threshold of the pixel value of first light intensity value and the terminal device
It is determined as the first clarity threshold.
3. the method according to claim 1, wherein the terminal device detect it is described in the preview screen
Before whether the clarity of characteristic area reaches the first clarity threshold, the method also includes:
The terminal device obtains all mesh including the preset kind subject from the image that the terminal device stores
Logo image；
The terminal device calculates the target sharpness of the characteristic area in each target image；
The terminal device calculates the clarity average value of all target sharpness；
The clarity average value is determined as the first clarity threshold by the terminal device.
4. the method according to claim 1, wherein the terminal device detect it is described in the preview screen
Before whether the size of characteristic area reaches first size threshold value, the method also includes:
The terminal device receives the image selection instruction of user's input；
It includes institute that the terminal device selects one according to described image selection instruction from the image that the terminal device stores
State the target image of preset kind subject；
The characteristic area of preset kind subject described in target image of the terminal device by selection is sized to
One size threshold.
5. according to the method described in claim 4, it is characterized in that, the terminal device is according to described image selection instruction from institute
It states in the image of terminal device storage after one target image including the preset kind subject of selection, the method is also
Include:
If with multiple characteristic areas of the preset kind subject, the terminal device in the target image of selection
The multiple characteristic area is marked in the target image；
The terminal device prompt user selects a characteristic area from the multiple characteristic area；
The terminal device receives the characteristic area selection instruction that user is inputted by touching fisrt feature region；
The characteristic area of preset kind subject described in target image of the terminal device by selection is sized to
One size threshold, comprising:
The fisrt feature region is sized to first size threshold value by the terminal device.
6. method described according to claim 1~any one of 5, which is characterized in that the terminal device determines described pre-
The clarity for the characteristic area look in picture, comprising:
The terminal device is made an uproar pixel quantity according to the brightness value and color of the characteristic area in the preview screen, is determined
The clarity of the characteristic area in the preview screen.
7. method described according to claim 1~any one of 5, which is characterized in that the method also includes:
If the characteristic area of the preset kind subject is not present in the preview screen, the terminal device is according to default
Rotation speed rotating camera；
The terminal device is detected in the preview screen during camera rotates and is clapped with the presence or absence of the preset kind
Take the photograph the characteristic area of object；
If detecting that there are the characteristic areas of the preset kind subject in the preview screen during camera rotation
Whether domain, the then characteristic area that the terminal device detects the preset kind subject are in the interposition of the preview screen
It sets；
If being in the middle position of the preview screen, the terminal device stops rotating camera；
If being not at the middle position of the preview screen, the terminal device rotating camera is clapped until the preset kind
The characteristic area for taking the photograph object is in the middle position of the preview screen.
8. a kind of terminal device, which is characterized in that including for executing the side as described in any one of claim 1-7 claim
The unit of method.
9. a kind of terminal device, which is characterized in that including processor, memory and camera, the processor, memory and take the photograph
As head is connected with each other, wherein the memory is for storing computer program, and the computer program includes program instruction, institute
It states processor to be configured for calling described program instruction, executes the method according to claim 1 to 7.
10. a kind of computer readable storage medium, which is characterized in that the computer-readable recording medium storage has computer journey
Sequence, the computer program include program instruction, and described program instruction executes the processor such as
The described in any item methods of claim 1-7.
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| CN201910013635.8A CN109729272B (en) | 2019-01-04 | 2019-01-04 | Shooting control method, terminal device and computer readable storage medium |
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|---|---|---|---|
| CN201910013635.8A CN109729272B (en) | 2019-01-04 | 2019-01-04 | Shooting control method, terminal device and computer readable storage medium |
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