CN108171155A - A kind of image-scaling method and terminal - Google Patents
A kind of image-scaling method and terminal Download PDFInfo
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- CN108171155A CN108171155A CN201711441650.XA CN201711441650A CN108171155A CN 108171155 A CN108171155 A CN 108171155A CN 201711441650 A CN201711441650 A CN 201711441650A CN 108171155 A CN108171155 A CN 108171155A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
- G06V40/16—Human faces, e.g. facial parts, sketches or expressions
- G06V40/168—Feature extraction; Face representation
- G06V40/171—Local features and components; Facial parts ; Occluding parts, e.g. glasses; Geometrical relationships
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
- G06F3/0484—Interaction techniques based on graphical user interfaces [GUI] for the control of specific functions or operations, e.g. selecting or manipulating an object, an image or a displayed text element, setting a parameter value or selecting a range
- G06F3/04845—Interaction techniques based on graphical user interfaces [GUI] for the control of specific functions or operations, e.g. selecting or manipulating an object, an image or a displayed text element, setting a parameter value or selecting a range for image manipulation, e.g. dragging, rotation, expansion or change of colour
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Abstract
The embodiment of the invention discloses a kind of image-scaling method and terminals, wherein method includes, after terminal opens the first zoom function, obtain the facial image comprising eyebrow and pupil, and detect the vertical range in the facial image between eyebrow and pupil, according to the correspondence of distance and scaling speed, the corresponding target scale speed of the vertical range is got, and processing is zoomed in and out to the image that terminal is currently shown according to the target scale speed.By implementing the above method, terminal can be made to zoom in and out processing to the image that terminal is currently shown according to the eyebrow and the distance of pupil that detect, the scaling of image can be realized without the slide of user's finger on the touchscreen, enhance the intelligent of terminal-pair image scaling processing.
Description
Technical field
The present invention relates to electronic technology field more particularly to a kind of image-scaling method and terminals.
Background technology
At present, with universal, the terminal work indispensable in having become for people's lives of terminal (mobile phone, tablet computer etc.)
One of tool.Terminal can store various images in picture library, when user needs to check the image stored in picture library, use
Then family is needing the position that scales to carry out two fingers kneading operation firstly the need of the position people of determining scaling, user equipment can be with
Two fingers mediate the scaling that picture is carried out centered on the central point of the line of screen drop point.If the distance between finger increases, put
The image shown in big terminal, if distance reduces between finger, reduces the image shown in terminal.
The method of above-mentioned control image scaling needs one hand rest of user to live terminal, and the finger of another hand is sliding on touch screen
It is dynamic, that is, need the control of user's both hands that could realize the scaling of image, terminal also must could be to image by receiving touch operation
It zooms in and out, it is impossible to processing is intelligently zoomed in and out to image.
Invention content
Technical problem to be solved of the embodiment of the present invention is, provides a kind of image-scaling method and terminal, is conducive to
The scaling of the realization picture of intelligence.
In order to solve the above-mentioned technical problem, first aspect of the embodiment of the present invention discloses a kind of image-scaling method, described
Method includes：
The first zoom function is opened, first zoom function is that image is carried out according to the distance between eyebrow and pupil
The function of scaling；
The facial image comprising eyebrow and pupil is obtained, and is detected vertical between eyebrow and pupil in the facial image
Distance；
According to the correspondence of distance and scaling speed, the corresponding target scale speed of the vertical range is obtained；
Processing is zoomed in and out to the image that terminal is currently shown according to the target scale speed.
Second aspect of the embodiment of the present invention discloses a kind of terminal, and the terminal includes：
Receiving unit, for opening the first zoom function, first zoom function is according between eyebrow and pupil
The function that distance zooms in and out image；
Acquiring unit, for obtaining the facial image comprising eyebrow and pupil, and detect in the facial image eyebrow and
Vertical range between pupil；
The acquiring unit is additionally operable to the correspondence with scaling speed according to distance, obtains the vertical range and corresponds to
Target scale speed；
Processing unit, for zooming in and out processing to the image that terminal is currently shown according to the target scale speed.
The third aspect of the embodiment of the present invention discloses a kind of terminal, and the terminal is set including processor, input equipment, output
Standby and memory, the processor, input equipment, output equipment and memory are connected with each other, wherein, the memory is used to deposit
Computer program is stored up, the computer program includes program instruction, and the processor is configured for calling described program instruction,
The method for performing described image scaling.
Fourth aspect of the embodiment of the present invention discloses a kind of computer readable storage medium, and the computer storage media is deposited
Computer program is contained, the computer program includes program instruction, and described program instruction makes described when being executed by a processor
The method that processor performs described image scaling.
In the embodiment of the present invention, after terminal opens the first zoom function, the facial image comprising eyebrow and pupil is obtained, and
The vertical range between eyebrow and pupil in the facial image is detected, according to the correspondence of distance and scaling speed, is obtained
To the corresponding target scale speed of the vertical range, and according to the target scale speed to the image that terminal is currently shown into
The processing of row scaling.By implementing the above method, terminal can be made according to the eyebrow and the distance of pupil detected to currently showing
Image zoom in and out processing, the scaling of image can be realized without receiving the slide of user's finger on the touchscreen, increase
Strong terminal-pair image scaling processing it is intelligent.
Description of the drawings
It in order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to institute in embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the present invention
Example, for those of ordinary skill in the art, without creative efforts, can also obtain according to these attached drawings
Obtain other attached drawings.
Fig. 1 is a kind of flow diagram of image-scaling method provided in an embodiment of the present invention；
Fig. 2 is the flow diagram of another image-scaling method provided in an embodiment of the present invention；
Fig. 3 a are a kind of terminal display interface schematic diagram provided in an embodiment of the present invention；
Fig. 3 b are a kind of terminal display interface schematic diagram provided in an embodiment of the present invention；
Fig. 4 is a kind of structure diagram of terminal provided in an embodiment of the present invention；
Fig. 5 is the structure diagram of another terminal provided in an embodiment of the present invention.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work
Embodiment shall fall within the protection scope of the present invention.
Fig. 1 is referred to, is a kind of flow diagram of image-scaling method provided in an embodiment of the present invention, this method can wrap
It includes：
S101, terminal open the first zoom function.
Wherein, which is the function of being zoomed in and out according to the distance between eyebrow and pupil to image.
Wherein, which may include but be not limited to the terminals such as smart mobile phone, tablet computer, laptop, desktop computer.
The operating system of the terminal may include but be not limited to Android operation system, IOS operating system, Symbian (Saipan) operations system
System, Black Berry (blackberry, blueberry) operating system and Windows operating system etc., the embodiment of the present invention do not limit.
In the embodiment of the present invention, when the content that terminal is currently shown is image, first zoom function can be detected whether
For opening, if first zoom function is not opened, terminal can open first zoom function in the following manner.
Optionally, after terminal detects that user clicks an image, the image of full screen display user's click, and before unlatching
It puts camera and obtains facial image, if facial image has not been obtained, optionally, terminate this flow, if getting facial image,
Detect whether the facial image matches with the facial image in default picture library, if so, first zoom function is opened, if
It is no, optionally, terminate this flow.It should be noted that it can be that user voluntarily adds that the image in default picture library, which is, Yong Huke
It is put into the default picture library with that will have characteristic facial image, the characteristic facial image of the tool can be that user's one eye is opened
It opens, image that the image or user that another eye is closed are frowned etc., the embodiment of the present invention does not limit.
For example, include the image that a user frowns in default picture library, when terminal is displayed in full screen an image,
The image of front camera acquisition face is opened at interval of preset duration, and detects whether the facial image got frowns
Image, if so, opening the first zoom function.
Optionally, when terminal present displayed content is image, the pressing operation that user is directed to image input is received, if
The press pressure value of pressing operation input by user is more than preset pressure value, alternatively, during the pressing of pressing operation input by user
It is long to be more than preset duration, then open the first zoom function.
Optionally, it when terminal present displayed content is image, detects rocking for terminal, opens the first scaling work(
Energy.
Optionally, user selects to open the first zoom function in interface is set, for the tool of first zoom function
Body opening ways, the embodiment of the present invention do not limit.
S102, terminal obtain the facial image comprising eyebrow and pupil, and detect in facial image between eyebrow and pupil
Vertical range.
In the embodiment of the present invention, after terminal opens the first zoom function, the face comprising eyebrow and pupil can be obtained
Image, and detect the vertical range between the facial image mesophryon hair and pupil.It should be noted that between eyebrow and pupil
Vertical range can be between left eye eyebrow and pupil of left eye vertical range or right eye eyebrow and pupil of right eye between it is vertical
Distance, the embodiment of the present invention do not limit.
Optionally, when face is constant with a distance from terminal, user can control eyebrow to move up, then the eyebrow that terminal detects
The distance between hair and pupil can increase；Alternatively, user's control eyebrow moves down, then between terminal detects eyebrow and pupil
Distance can reduce.
Optionally, user does not have to the movement of control eyebrow, when face becomes near with a distance from terminal, eyebrow that terminal is got
The distance between hair and pupil can increase, when face becomes remote with a distance from terminal, between eyebrow and pupil that terminal is got
Distance can reduce.
S103, terminal are obtained in facial image according to the correspondence of distance and scaling speed between eyebrow and pupil
The corresponding target scale speed of vertical range.
In the embodiment of the present invention, if terminal detects that the vertical range between eyebrow and pupil is more than pre-determined distance, root
According to distance and the correspondence for amplifying speed, the corresponding target amplification speed of vertical range between eyebrow and pupil is obtained；And
Difference between vertical range and pre-determined distance is bigger, and target amplification speed is bigger.
If terminal detects that the vertical range between eyebrow and pupil is less than pre-determined distance, according to distance with reducing speed
Correspondence, obtain the corresponding shrinking of object speed of vertical range between eyebrow and pupil, and vertical range with it is default away from
Difference between is bigger, and shrinking of object speed is bigger.
S104, terminal zoom in and out processing according to target scale speed to the image that terminal is currently shown.
In the embodiment of the present invention, if vertical range between eyebrow and pupil is more than pre-determined distance, according to this vertically away from
Processing is amplified to the image that terminal is currently shown from corresponding target amplification speed.If between eyebrow and pupil it is vertical away from
From less than pre-determined distance, then the image that terminal is currently shown is reduced according to the vertical range corresponding shrinking of object speed
Processing.
Optionally, terminal obtains facial image at interval of preset duration, and detect from facial image eyebrow and pupil it
Between distance, it should be noted that the preset duration can be 0.1 second, 0.2 second, 0.5 second etc., the embodiment of the present invention does not limit
It is fixed.
For example, terminal using the distance between eyebrow and pupil in the facial image got for the first time as it is default away from
From 0.5 second and then the secondary distance for obtaining face and eyebrow, if the distance is more than the pre-determined distance.Then according to image with putting
The correspondence of big speed obtains the corresponding target amplification speed of the vertical range.Target amplification speed was amplified for every 0.5 second
1.1 times, terminal is by 1.1 times of the image magnification of display.After 0.5 second, terminal obtains facial image again by camera, lays equal stress on
Above-mentioned steps are answered to zoom in and out processing to image.
Optionally, after terminal gets pre-determined distance by camera, which is extended to a section model
It encloses, for example, the pre-determined distance got is 1 centimetre, terminal is extended to the interval range between 0.95 centimetre to 1.05, inspection
If surveying the distance between the eyebrow got after preset duration and pupil between 0.95 to 1.05, figure is currently shown to terminal
As without scaling processing.By setting an interval range for the pre-determined distance got, user's normal browsing figure can be made
During picture, the minor change of the vertical range between eyebrow and pupil will not imaged image scaling, avoid terminal accidentally scaling
Situation.
Optionally, when terminal is after the first zoom function is opened, facial image is not detected in preset time period, eventually
First zoom function is closed at end.It should be noted that the preset time period can be 10 seconds, 20 seconds etc., the embodiment of the present invention
It does not limit.
It should be noted that when terminal zooms in and out place according to the target scale speed to the image that terminal is currently shown
After reason, display scaling treated image.Optionally, when the facial image for getting human eye closure, first contracting is closed
Playing function.
In the embodiment of the present invention, after terminal opens the first zoom function, the facial image comprising eyebrow and pupil is obtained,
And the vertical range between the facial image mesophryon hair and pupil is detected, according to the correspondence of distance and scaling speed, obtain
The image that terminal is currently shown is zoomed in and out to the corresponding target scale speed of the vertical range, and according to target scale speed
Processing.By implementing the above method, terminal can be made according to the eyebrow and the distance of pupil detected to the image that currently shows
Processing is zoomed in and out, the scaling of image can be realized without the slide of user's finger on the touchscreen, enhance terminal-pair
Image scaling is handled intelligent.
Fig. 2 is referred to, for the flow diagram of another image-scaling method provided in an embodiment of the present invention, this method can
Including：
S201, terminal open camera identification human face expression.
In the embodiment of the present invention, when terminal detects the content currently shown as image, open camera and obtain face figure
Picture, and identify the expression of face in image.If the human face expression recognized matches with preset human face expression, step is performed
S202。
Optionally, default human face expression can be smile, grin, dejected etc., can specifically be selected by user, work as end
After end gets facial image, will recognise that the expression of face in facial image, and judge the human face expression recognized whether with
Preset human face expression matches.
Optionally, default human face expression can will include user by user setting, terminal according to the move received
The image of face is put into the default expression picture library in terminal, and terminal determines that the image in default expression picture library is default face
Facial expression image.Optionally, default Facial Expression Image can be the simple eye facial image for opening simple eye closure of user, mouth opening
Facial image or other facial images.After terminal opens camera acquisition facial image, by the facial image got with presetting
The facial image stored in expression picture library is compared, if the facial image got and the facial image in default expression picture library
Similarity is more than predetermined threshold value, it is determined that the human face expression got matches with default expression.
It should be noted that the manner of comparison of the facial image got and default facial image can be to calculate image
Cryptographic Hash, if the difference through cryptographic Hash that two images are calculated is within preset range, it is determined that the face table got
Feelings match with default expression.Optionally, two images are subjected to binary conversion treatments, count 0 after binary conversion treatment in image
The number occurred with 1, if the 0 and 1 number difference occurred is within preset range in two images, it is determined that the face table got
Feelings match with default expression.Optionally, terminal can also be by other image procossing modes come to the facial image got
It is compared with default facial image, the embodiment of the present invention does not limit.
If S202, terminal recognition to human face expression match with preset human face expression, open the first zoom function.
In the embodiment of the present invention, when terminal recognition to human face expression and preset human face expression match after, open the
One zoom function, first zoom function are the function of being zoomed in and out according to the distance between eyebrow and pupil to image.
S203, scaling centre mark is shown in terminal currently shows image.
It, as shown in Figure 3a, can be in currently display image after terminal opens the first zoom function in the embodiment of the present invention
Display scaling centre mark 320.
When terminal moves, optionally, scaling centre mark 320 is moved with pre-set velocity, scales centre mark
320 moving direction is identical with the moving direction of terminal, and optionally, terminal is according to the movement speed of terminal and scaling centre mark
The correspondence of 320 movement speed determines 320 movement speed of scaling centre mark, optionally, scaling centre mark 320
Moving direction is opposite with the moving direction of terminal.
When terminal is static, stop the movement to scaling centre mark 320, and the position residing for by scaling centre mark 320
Put the center as image scaling.When the static duration of terminal is more than preset duration, optionally, scaling terminal label is hidden
320, when detect again terminal it is mobile when, terminal shows that scaling and is moved centre mark 320 accordingly again.
Optionally, when terminal receives clicking operation of the user for image input, the position of the clicking operation can be obtained, and
Scaling centre mark 320 is moved to the position in the corresponding terminal of clicking operation.Optionally, terminal receives user in scaling
The slide that heart label 320 inputs, and scaling centre mark 320 is slided accordingly.
S204, terminal obtain the facial image comprising eyebrow and pupil, detect in facial image between eyebrow and pupil
Vertical range.
In the embodiment of the present invention, after terminal opens the first zoom function, the image comprising face can be obtained, and from acquisition
To image in detection eyebrow and pupil between vertical range.It should be noted that the vertical range between eyebrow and pupil
Vertical range between vertical range or right eye eyebrow and pupil of right eye that can be between left eye eyebrow and pupil of left eye.
Optionally, terminal can detect moving up degree or moving down degree for the eyebrow achieved by user.Specifically, terminal
The maximum distance between prompt message prompting user setting eyebrow and pupil is sent out, then terminal is obtained by camera comprising eyebrow
The facial image of hair and pupil, and the distance between eyebrow and pupil are detected, and using the distance as maximum distance；Optionally,
Terminal sends out the minimum range between prompt message prompting user setting eyebrow and pupil, and then terminal is obtained by camera and wrapped
Facial image containing eyebrow and pupil, and the distance between eyebrow and pupil are detected, and using the distance as minimum range.
After maximum distance and minimum range is determined, optionally, 4 etc. are set between maximum distance and minimum range
Grade, respectively the first pre-determined distance, the second pre-determined distance, third pre-determined distance and the 4th pre-determined distance.Wherein, third preset away from
From more than the first pre-determined distance, the first pre-determined distance is more than the second pre-determined distance, and the second pre-determined distance is more than the 4th pre-determined distance.
Optionally, if the vertical range is more than the first pre-determined distance and less than third pre-determined distance, according to distance with
Amplify the correspondence of speed, obtain the corresponding target amplification speed of the vertical range；
Optionally, after terminal detects the vertical range between eyebrow and pupil, the vertical range and first is calculated in advance
If the difference of distance, according to the correspondence of preset difference and amplification speed, the vertical range and the first pre-determined distance are obtained
Difference corresponding target amplification speed.
Optionally, preset difference can be 0.1 centimetre of corresponding 1.1 times of amplification per second with the correspondence for amplifying speed,
0.2 centimetre of correspondence, 1.2 times of amplification per second, it should be noted that the correspondence of difference and amplification speed may be other feelings
Condition is set by the user, and the embodiment of the present invention does not limit.
It should be noted that after terminal detects the distance between eyebrow and pupil, can also directly according to vertically away from
Target amplification speed is got from amplifying the correspondence of speed or according to vertical range and the ratio of the first pre-determined distance
Target amplification speed is obtained, the embodiment of the present invention does not limit.
Optionally, if the vertical range is less than the second pre-determined distance and more than the 4th pre-determined distance, according to distance with
The correspondence of speed is reduced, obtains the corresponding shrinking of object speed of the vertical range.
Optionally, if the vertical range is more than third pre-determined distance, terminal currently being shown to, image is preset by first
Multiple is amplified.
Optionally, during terminal counting user each enlarged drawing image amplification factor, and put access times are most
Big multiple is as the first preset multiple；Optionally, terminal using maximum multiple as the first preset multiple wherein, which is
User is amplified image the upper limit value of processing；Optionally, the concrete numerical value of the first preset multiple can also set by user
It puts in interface and sets, for the concrete numerical value of the first preset multiple, the embodiment of the present invention does not limit.
Optionally, if the vertical range is less than the 4th pre-determined distance, terminal currently being shown to, image is preset by second
Multiple is reduced.
Optionally, during terminal counting user each downscaled images image minification, and by the most contracting of access times
Small multiple is as the second preset multiple, optionally, terminal using minimum multiple as the second preset multiple, wherein, the minimum multiple
To image reduce the lower limiting value of processing for user；Optionally, which can also be by user at setting interface
Middle setting, for the concrete numerical value of the second preset multiple, the embodiment of the present invention does not limit.
Optionally, shown in current display interface between eyebrow and pupil apart from schematic diagram, Fig. 3 a are real for the present invention
A kind of terminal display interface schematic diagram of example offer is applied, as shown in figure 3, the distance between eyebrow and pupil schematic diagram 310 is in
The lower right corner of Fig. 3, including corresponding first vertical line 311 of the first pre-determined distance, corresponding first vertical line 312 of the second pre-determined distance,
Corresponding first vertical line 313 of third pre-determined distance, corresponding 4th vertical line 314 of the 4th pre-determined distance, the eyebrow and pupil got
The corresponding vertical line 315 in the distance between hole.Minimum range 310 and maximum distance 316.
If receiving for operation is single clickd on apart from schematic diagram 310, Figure 31 0 is amplified, as shown in Figure 3b, is being schemed
In 3b, user can slide vertical line and change the value of the distance corresponding to vertical line, for example, user slides to the right the first vertical line 311
1 centimetre dynamic, then the first pre-determined distance accordingly increases by 0.1 centimetre or the first vertical line 311 is slided to the right 1 centimetre by user,
Then the first pre-determined distance accordingly increases by 0.2 centimetre, the specific change for the corresponding pre-determined distance of the corresponding vertical line of sliding distance
Numerical value, the embodiment of the present invention do not limit.Optionally, when the clicking operation for receiving user again, by this apart from schematic diagram
310 are contracted to shown in Fig. 3 a.Optionally, when receiving user and being more than default for the pressing duration apart from schematic diagram 310
During long pressing operation, this is hidden apart from schematic diagram 310.
S205, terminal zoom in and out processing according to target scale speed to the image that terminal is currently shown.
In the embodiment of the present invention, after terminal is determined to currently showing the target scale speed of image, it can be contracted according to target
It puts speed and processing is zoomed in and out to the image that terminal is currently shown.
Optionally, the vertical range between eyebrow and pupil is more than the first pre-determined distance, then according to distance with amplifying speed
Correspondence, obtain the vertical range corresponding target amplification speed, and speed is amplified to scale center mark according to target
Position where note is amplified image processing.
Optionally, the vertical range between eyebrow and pupil is less than the first pre-determined distance, then according to distance with reducing speed
Correspondence, obtain the corresponding shrinking of object speed of the vertical range, and according to shrinking of object speed to scale center mark
Position where note is amplified image processing.
Optionally, after terminal-pair image zooms in and out processing, default human face expression is detected by camera, closes institute
State the first zoom function.
In the embodiment of the present invention, after the first zoom function is opened, terminal can show a scaling center in the picture
Label, the label can change position in the picture with the movement of terminal so that user only needs mobile terminal, it is possible to
Change the center of image scaling.When the control eyebrow of user moves up, the distance of eyebrow and pupil increase to it is default more than first away from
From then terminal-pair currently shows that image is amplified, and when user's control eyebrow moves down, the distance of eyebrow and pupil decreases below
Second pre-determined distance, then terminal-pair currently show that image is reduced.According to the eyebrow and the distance of pupil detected to terminal
Processing currently is zoomed in and out to the image of display, the contracting of image can be realized without the slide of user's finger on the touchscreen
It puts, enhances the intelligent of terminal-pair image scaling processing.
It describes in detail below in conjunction with attached drawing 4 to terminal provided in an embodiment of the present invention.It should be noted that attached drawing
Terminal shown in 4 for performing the method for Fig. 1-embodiment illustrated in fig. 2 of the present invention, for convenience of description, illustrates only and this hair
The bright relevant part of embodiment, particular technique details do not disclose, through with reference to Fig. 1 of the present invention-embodiment shown in Fig. 2.
Fig. 4 is referred to, is a kind of structure diagram of terminal provided by the invention；The terminal 40 may include：Receiving unit
401st, acquiring unit 402, processing unit 403.
Opening unit 401, for opening the first zoom function, first zoom function is according between eyebrow and pupil
The function that is zoomed in and out to image of distance；
Acquiring unit 402 for obtaining the facial image comprising eyebrow and pupil, and detects eyebrow in the facial image
Vertical range between pupil；
The acquiring unit 402 is additionally operable to the correspondence with scaling speed according to distance, obtains the vertical range pair
The target scale speed answered；
Processing unit 403, for zooming in and out processing to the image that terminal is currently shown according to the target scale speed.
Optionally, the terminal described in the embodiment of the present invention can also include：
Display unit 404, for showing scaling centre mark in currently showing image in terminal
Mobile unit 405, for when the terminal moves, being moved with pre-set velocity to the scaling centre mark
Dynamic, the moving direction of the scaling centre mark is identical with the moving direction of the terminal；
The mobile unit 405 is additionally operable to when the terminal is static, stop the movement to the scaling centre mark.
Optionally, the terminal described in the embodiment of the present invention can also include：
Recognition unit 406, for identifying human face expression；
It is described to open list if the human face expression that the recognition unit 406 recognizes matches with preset human face expression
Member 401 opens first zoom function.
Optionally, if the vertical range is more than the first pre-determined distance, the acquiring unit 402 is according to distance and amplification speed
The correspondence of degree obtains the corresponding target amplification speed of the vertical range；
Optionally, if the vertical range is less than the second pre-determined distance, the acquiring unit 402 is according to distance with reducing speed
The correspondence of degree, obtains the corresponding shrinking of object speed of the vertical range, and first pre-determined distance is more than described second
Pre-determined distance.
Optionally, the terminal described in the embodiment of the present invention can also include：
Amplifying unit 407 if the vertical range is more than third pre-determined distance, terminal is currently shown image by first
Preset multiple is amplified, and the third pre-determined distance is more than first pre-determined distance；
Reducing unit 408 if the vertical range is less than the 4th pre-determined distance, terminal is currently shown image by second
Preset multiple is reduced, and the 4th pre-determined distance is less than second pre-determined distance.
In the embodiment of the present invention, when the display content for detecting terminal includes image, opening unit 401 opens the first contracting
After playing function, acquiring unit 402 obtains the facial image comprising eyebrow and pupil, and detect in facial image eyebrow and pupil it
Between vertical range；Acquiring unit 402 gets the corresponding target of vertical range according to the correspondence of distance and scaling speed
Scaling speed, processing unit 403 zoom in and out processing according to target scale speed to the image that terminal is currently shown.Pass through implementation
The above method can make terminal zoom in and out place to the image that terminal is currently shown according to the eyebrow and the distance of pupil that detect
Reason, the scaling of image can be realized without the slide of user's finger on the touchscreen, enhance at terminal-pair image scaling
That manages is intelligent.
Fig. 5 is referred to, is the structure diagram an embodiment of the present invention provides another terminal.As shown in figure 5, the terminal
Including：At least one processor 501, input equipment 503, output equipment 504, memory 505, at least one communication bus 502.
Wherein, communication bus 502 is used to implement the connection communication between these components.Wherein, input equipment 503 can be control panel
Or microphone etc., output equipment 504 can be display screens etc..Wherein, memory 505 can be high-speed RAM memory, also may be used
To be non-labile memory (non-volatile memory), for example, at least a magnetic disk storage.Memory 505 can
Choosing can also be at least one storage device for being located remotely from aforementioned processor 501.Wherein processor 501 can combine Fig. 4
Described terminal stores batch processing code, and processor 501, input equipment 503, output equipment 504 in memory 505
The program code stored in memory 505 is called, for performing the following operations：
Processor 501 opens the first zoom function；First zoom function is according to the distance between eyebrow and pupil
The function of being zoomed in and out to image；
Input equipment 503 obtains the facial image comprising eyebrow and pupil, and processor 501 detects the facial image mesophryon
Vertical range between hair and pupil；
Processor 501 obtains the corresponding target scale of the vertical range according to the correspondence of distance and scaling speed
Speed；
Processor 501 zooms in and out processing according to the target scale speed to the image that terminal is currently shown.
Output equipment 504 shows scaling centre mark in terminal currently shows image；
When the terminal moves, processor 501 moves the scaling centre mark with pre-set velocity, the contracting
The moving direction for putting centre mark is identical with the moving direction of the terminal；
When the terminal is static, processor 501 stops the movement to the scaling centre mark.
Human face expression is identified by input equipment 503；
If the human face expression recognized matches with preset human face expression, processor 501 opens first scaling
Function.
If the vertical range is more than the first pre-determined distance, processor 501 is according to distance and the corresponding pass of amplification speed
System, input equipment 503 obtain the corresponding target amplification speed of the vertical range；
If the vertical range is less than the second pre-determined distance, processor 501 is according to distance and the corresponding pass for reducing speed
System, input equipment 503 obtain the corresponding shrinking of object speed of the vertical range, and first pre-determined distance is more than described second
Pre-determined distance.
If the vertical range is more than third pre-determined distance, terminal is currently shown that image is pre- by first by processor 501
If multiple is amplified, the third pre-determined distance is more than first pre-determined distance；
If the vertical range is less than the 4th pre-determined distance, terminal is currently shown that image is pre- by second by processor 501
If multiple is reduced, the 4th pre-determined distance is less than second pre-determined distance.
In the embodiment of the present invention, after processor 501 opens the first zoom function, input equipment 503 is obtained comprising eyebrow
With the facial image of pupil, processor 501 detects the vertical range between eyebrow and pupil, processor in the facial image
501, according to the correspondence of distance and scaling speed, obtain the corresponding target scale speed of the vertical range, processor 501
Processing is zoomed in and out to the image that terminal is currently shown according to the target scale speed.By implementing the above method, can make
Terminal zooms in and out processing according to the eyebrow and the distance of pupil that detect to the image that terminal is currently shown, without user's finger
The scaling of image can be realized in slide on the touchscreen, enhances the intelligent of terminal-pair image scaling processing.
Unit described in the embodiment of the present invention can pass through universal integrated circuit, such as CPU (Central
Processing Unit, central processing unit) or pass through ASIC (Application Specific Integrated
Circuit, application-specific integrated circuit) it realizes.
It should be appreciated that in embodiments of the present invention, alleged processor 501 can be central processing unit (Central
Processing Unit, CPU), which can also be other general processors, digital signal processor (Digital
Signal Processor, DSP), application-specific integrated circuit (Application Specific Integrated Circuit,
ASIC), ready-made programmable gate array (Field-Programmable Gate Array, FPGA) or other programmable logic
Device, discrete gate or transistor logic, discrete hardware components etc..General processor can be microprocessor or this at
It can also be any conventional processor etc. to manage device.
Bus 504 can be that industry standard architecture (Industry Standard Architecture, ISA) is total
Line, Peripheral Component Interconnect (Peripheral Component, PCI) bus or extended industry-standard architecture (Extended
Industry Standard Architecture, EISA) bus etc., it is total which can be divided into address bus, data
Line, controlling bus etc., for ease of representing, Fig. 5 is only represented with a thick line, it is not intended that an only bus or a type
Bus.
One of ordinary skill in the art will appreciate that realizing all or part of flow in above-described embodiment method, being can be with
Relevant hardware is instructed to complete by computer program, the program can be stored in computer storage media, the journey
Sequence is when being executed, it may include such as the flow of the embodiment of above-mentioned each method.Wherein, the computer storage media can be magnetic
Dish, CD, read-only memory (Read-Only Memory, ROM) or random access memory (Random Access
Memory, RAM) etc..
The above disclosure is only the preferred embodiments of the present invention, cannot limit the right model of the present invention with this certainly
It encloses, therefore equivalent variations made according to the claims of the present invention, is still within the scope of the present invention.
One of ordinary skill in the art will appreciate that realizing all or part of flow in above-described embodiment method, being can be with
Relevant hardware is instructed to complete by computer program, the program can be stored in computer storage media, the journey
Sequence is when being executed, it may include such as the flow of the embodiment of above-mentioned each method.Wherein, the computer storage media can be magnetic
Dish, CD, read-only memory (Read-Only Memory, ROM) or random access memory (Random Access
Memory, RAM) etc..
The above disclosure is only the preferred embodiments of the present invention, cannot limit the right model of the present invention with this certainly
It encloses, therefore equivalent variations made according to the claims of the present invention, is still within the scope of the present invention.
Claims (10)
1. a kind of image-scaling method, which is characterized in that including：
The first zoom function is opened, first zoom function is zooms in and out image according to the distance between eyebrow and pupil
Function；
Obtain the facial image comprising eyebrow and pupil, and detect in the facial image between eyebrow and pupil it is vertical away from
From；
According to the correspondence of distance and scaling speed, the corresponding target scale speed of the vertical range is obtained；
Processing is zoomed in and out to the image that terminal is currently shown according to the target scale speed.
2. according to the method described in claim 1, it is characterized in that, after unlatching first zoom function, further include：
Scaling centre mark is shown in terminal currently shows image；
When the terminal moves, the scaling centre mark is moved with pre-set velocity, the scaling centre mark
Moving direction is identical with the moving direction of the terminal；
When the terminal is static, stop the movement to the scaling centre mark.
3. according to the method described in claim 1, it is characterized in that, it is described open first zoom function before, the side
Method further includes：
Human face expression is identified by camera；
If the human face expression recognized matches with preset human face expression, first zoom function is opened.
4. according to the method described in claim 1, it is characterized in that, the correspondence according to distance and scaling speed, is obtained
The corresponding target scale speed of the vertical range is taken, including：
If the vertical range is more than the first pre-determined distance, according to distance and the correspondence for amplifying speed, described hang down is obtained
Directly amplify speed apart from corresponding target；
If the vertical range is less than the second pre-determined distance, according to distance and the correspondence for reducing speed, described hang down is obtained
Directly apart from corresponding shrinking of object speed, first pre-determined distance is more than second pre-determined distance.
5. according to the method described in claim 4, it is characterized in that, in the detection facial image between eyebrow and pupil
Vertical range after, further include：
If the vertical range is more than third pre-determined distance, terminal currently being shown to, image is put by the first preset multiple
Greatly, the third pre-determined distance is more than first pre-determined distance；
If the vertical range is less than the 4th pre-determined distance, terminal currently being shown to, image contracts by the second preset multiple
Small, the 4th pre-determined distance is less than second pre-determined distance.
6. a kind of terminal, which is characterized in that the terminal includes：
Opening unit, for opening the first zoom function, first zoom function is according to the distance between eyebrow and pupil
The function of being zoomed in and out to image；
Acquiring unit for obtaining the facial image comprising eyebrow and pupil, and detects eyebrow and pupil in the facial image
Between vertical range；
The acquiring unit is additionally operable to the correspondence with scaling speed according to distance, obtains the corresponding mesh of the vertical range
Mark scaling speed；
Processing unit, for zooming in and out processing to the image that terminal is currently shown according to the target scale speed.
7. terminal according to claim 6, which is characterized in that the terminal further includes：
Display unit, for showing scaling centre mark in currently showing image in terminal；
Mobile unit, for when the terminal moves, being moved with pre-set velocity to the scaling centre mark, the contracting
The moving direction for putting centre mark is identical with the moving direction of the terminal；
The mobile unit is additionally operable to when the terminal is static, stop the movement to the scaling centre mark.
8. terminal according to claim 6, which is characterized in that the terminal further includes：
Recognition unit, for identifying human face expression；
The opening unit is specifically used for：
If the human face expression that the recognition unit recognizes matches with preset human face expression, the first scaling work(is opened
Energy.
9. a kind of terminal, which is characterized in that the processor, defeated including processor, input equipment, output equipment and memory
Enter equipment, output equipment and memory to be connected with each other, wherein, the memory is used to store computer program, the computer
Program includes program instruction, and the processor is configured for calling described program instruction, perform such as any one of claim 1-5
The method.
10. a kind of computer readable storage medium, which is characterized in that the computer storage media is stored with computer program,
The computer program includes program instruction, and described program instruction makes the processor perform such as right when being executed by a processor
It is required that 1-5 any one of them methods.
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| CN201711441650.XA CN108171155A (en) | 2017-12-26 | 2017-12-26 | A kind of image-scaling method and terminal |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711441650.XA CN108171155A (en) | 2017-12-26 | 2017-12-26 | A kind of image-scaling method and terminal |
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| CN108171155A true CN108171155A (en) | 2018-06-15 |
Family
ID=62521753
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| CN201711441650.XA Pending CN108171155A (en) | 2017-12-26 | 2017-12-26 | A kind of image-scaling method and terminal |
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