CN106933487A - A kind of image-scaling method and terminal - Google Patents
A kind of image-scaling method and terminal Download PDFInfo
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- CN106933487A CN106933487A CN201710153903.7A CN201710153903A CN106933487A CN 106933487 A CN106933487 A CN 106933487A CN 201710153903 A CN201710153903 A CN 201710153903A CN 106933487 A CN106933487 A CN 106933487A
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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]
- G06F3/0487—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser
- G06F3/0488—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser using a touch-screen or digitiser, e.g. input of commands through traced gestures
- G06F3/04883—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser using a touch-screen or digitiser, e.g. input of commands through traced gestures for inputting data by handwriting, e.g. gesture or text
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
- G06F2203/048—Indexing scheme relating to G06F3/048
- G06F2203/04806—Zoom, i.e. interaction techniques or interactors for controlling the zooming operation
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Abstract
The present invention discloses a kind of image-scaling method and terminal, and the method includes：Detection zooms in or out operation to image；Obtain the region that described image is operated；If the region for being operated includes characteristic information, the corresponding characteristic area of the characteristic information is obtained；Size according to the characteristic area determines actual multiplication factor or actual minification；Described image is zoomed in or out according to the actual multiplication factor or actual minification.The image-scaling method and terminal of the embodiment of the present invention, when being zoomed in and out to image, if user zooms in and out for a certain characteristic area, size according to characteristic area is zoomed in and out, when being scaled for less characteristic area, using larger multiplication factor or less minification zoomed image, when being scaled for larger characteristic area, using less multiplication factor or larger minification zoomed image.
Description
Technical field
The present invention relates to electronic technology field, more particularly to a kind of image-scaling method and terminal.
Background technology
At present, with intelligent terminal, the especially popularization of smart mobile phone, it is essential that mobile phone increasingly becomes people's life
Instrument.User is taken pictures by mobile phone, when photo is checked, is amplified with opening by the kneading of finger and contracted
Small picture.When user start to open it is double refer to amplification pictures or mediate finger and reduce picture when, finger open or mediate away from
From bigger, the multiple for zooming in or out is bigger.
In some cases, when user need to some less features carry out the amplification of larger multiple on picture when, it is double
Referring to needs the distance slided very big, feature can be amplified to one than larger ratio, or because of certain particular case
, it is necessary to very big sliding distance can meet requirement when needing to narrow down to certain proportion to a certain larger feature, this shadow
Ring the operating experience of user.
The content of the invention
The embodiment provides a kind of image-scaling method and terminal, the characteristic area that can be exaggerated as needed
The size in domain carries out image scaling.
In a first aspect, the embodiment of the invention provides a kind of image-scaling method, the method includes：
Detection zooms in or out operation to image；
Obtain the region that described image is operated；
If the region for being operated includes characteristic information, the corresponding characteristic area of the characteristic information is obtained；
Size according to the characteristic area determines actual multiplication factor or actual minification；
Described image is zoomed in or out according to the actual multiplication factor or actual minification.
Second aspect, the embodiment of the present invention additionally provides a kind of terminal, and the terminal includes：
Detection unit, operation is zoomed in or out for detecting to image；
First acquisition unit, for obtaining the region that described image is operated；
Second acquisition unit, if including characteristic information for the region for being operated, obtains the characteristic information pair
The characteristic area answered；
Determining unit, for determining actual multiplication factor or actual minification according to the size of the characteristic area；
Unit for scaling, for described image to be amplified or contracted according to the actual multiplication factor or actual minification
It is small.
The image-scaling method and terminal of the embodiment of the present invention, when being zoomed in and out to the image comprising characteristic area, if
User is zoomed in and out for a certain characteristic area, then the size according to characteristic area is zoomed in and out, for less characteristic area
During scaling, using larger multiplication factor or less minification zoomed image, when being scaled for larger characteristic area, adopt
With less multiplication factor or larger minification zoomed image, user need not slide larger distance to contract by finger
Put image.
Brief description of the drawings
Technical scheme in order to illustrate more clearly the embodiments of the present invention, embodiment will be described below needed for be used
Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are some embodiments of the present invention, general for this area
For logical technical staff, on the premise of not paying creative work, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is a kind of schematic flow diagram of image-scaling method provided in an embodiment of the present invention；
Fig. 2 is a kind of another schematic flow diagram of image-scaling method provided in an embodiment of the present invention；
Fig. 3 is a kind of schematic block diagram of terminal provided in an embodiment of the present invention；
Fig. 4 is the schematic block diagram of determining unit provided in an embodiment of the present invention；
Fig. 5 is a kind of another schematic block diagram of terminal provided in an embodiment of the present invention；
Fig. 6 is another schematic block diagram of determining unit provided in an embodiment of the present invention；
Fig. 7 is a kind of structural schematic block diagram of terminal provided in an embodiment of the present invention.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is a part of embodiment of the invention, rather than whole embodiments.Based on this hair
Embodiment in bright, the every other implementation that those of ordinary skill in the art are obtained under the premise of creative work is not made
Example, belongs to the scope of protection of the invention.
It should be appreciated that when using in this specification and in the appended claims, term " including " and "comprising" instruction
The presence of described feature, entirety, step, operation, element and/or component, but it is not precluded from one or more of the other feature, whole
The presence or addition of body, step, operation, element, component and/or its set.
It is also understood that the term used in this description of the invention is merely for the sake of the mesh for describing specific embodiment
And be not intended to limit the present invention.As used in description of the invention and appended claims, unless on
Other situations are hereafter clearly indicated, otherwise " one " of singulative, " one " and " being somebody's turn to do " is intended to include plural form.
Fig. 1 is referred to, Fig. 1 is a kind of schematic flow diagram of image-scaling method provided in an embodiment of the present invention.The method
Intelligent terminal (such as Android phone, IOS mobile phones) is can apply to, the method comprises the following steps S101~S105.
S101, detection zoom in or out operation to image.
Further, the operation that zooms in or out to image includes double referring to slides or singly referring to that behaviour is clicked in repetition
Make.
User opens the image for being stored in terminal, and image is displayed in touch screen, and user is by two fingers in touch screen table
Face enters line slip and opens or mediate, i.e., double finger slides, can zoom in and out operation to image, or user is fast with a finger
Fast double-click image same place, i.e., singly refer to repetition clicking operation, and operation can be zoomed in and out to image.If a terminal detects that double fingers
Slide singly refers to repetition clicking operation, then illustrate that user needs to zoom in or out operation to image.
The region that S102, acquisition described image are operated.
Further, if the operation that zooms in or out to image refers to slide, the region that described image is operated for double
It is the border circular areas formed by diameter with the line of the contact point of screen with double fingers, or is the contact point with double fingers with screen
Line is the rectangular area that diagonal is formed；If zooming in or out operation singly to refer to repetition clicking operation, the figure to image
As the region that is operated be with finger repeat touch point in clicking operation as the center of circle, the border circular areas that are formed of predetermined length radius,
Or centered on touch point in finger clicking operation, the rectangular area of preset length diagonal formation.
In embodiments of the present invention, the predetermined length is 0.5cm-1.5cm, and the preset length is 0.5cm-1.5cm,
More specifically, the predetermined length elects 0.5cm as, the preset length elects 1cm as.
In specific implementation process, if centered on touch point in finger clicking operation, the diagonal of predetermined length formed
Rectangular area be the region for being operated, cornerwise angle of inclination is preferably 45 °.
In addition, in specific implementation process, rectangle is preferably square by operating area.
If S103, the region for being operated include characteristic information, the corresponding characteristic area of the characteristic information is obtained.
The region for being operated is being obtained, i.e., after the object that user's needs are zoomed in and out, is judging whether the region has
There is characteristic information, if having characteristic information, then it is assumed that it is the corresponding spy of this feature information that user needs the specific object of scaling
Region is levied, the scaled image according to characteristic area, otherwise, according to existing zoom technology zoomed image.
Characteristic information can be multiple, and characteristic area can be multiple, for example, the characteristic information is believed for face characteristic
Breath, including at least one in human eye, nose and face, the characteristic area are human face region.The region for being operated can
Eyes, face and/or the nose of same person can be included, then the corresponding characteristic area of these characteristic informations is a face
Region, the region for being operated is likely to include the face characteristic information of different people, then characteristic area is respective people
The respective human face region of face characteristic information correspondence.
S104, according to the size of the characteristic area determine actual multiplication factor or actual minification.
It is currently practical according to characteristic area after above-mentioned steps obtain out the characteristic area that user's needs are zoomed in and out
Size is shown to determine its actual multiplication factor or actual minification.
In embodiments of the present invention, the step S104 includes：
If the human face region is one, the size of the human face region is calculated, obtain the size of the human face region
The interval corresponding benchmark multiplication factor in place or benchmark minification, the benchmark multiplication factor or benchmark minification are actual
Multiplication factor or actual minification；
If the human face region is at least two, the size of each human face region is calculated respectively, everyone is obtained respectively
Interval corresponding benchmark multiplication factor or benchmark minification where the size in face region, calculate mean baseline multiplication factor or flat
Equal benchmark minification, the mean baseline multiplication factor or mean baseline minification are actual multiplication factor or actual diminution
Multiple.
If the face characteristic of the region one-man operated in image, illustrate that user wants to carry out a face
Scaling, actual multiplication factor or actual minification are related to the size of the human face region, and where the size of human face region one
Individual interval correspondence one benchmark multiplication factor or benchmark minification, calculate the size of this human face region, find the size
Corresponding interval, just can obtain corresponding benchmark multiplication factor or benchmark minification.
If the region operated in image has the face characteristic of at least two people, illustrate user it is desired to this at least two
The face of people is zoomed in and out, and actual multiplication factor or actual minification are related to the size of at least two human face region, meter
The size of at least two human face region is calculated, the corresponding interval of the size is found respectively, obtain at least two human face region
Corresponding benchmark multiplication factor or benchmark minification, take average benchmark multiplication factor or mean baseline minification in fact respectively
Border multiplication factor or actual minification.
In the present embodiment, human face region is square or ellipse, if square, the size available width of human face region,
Length or cartographic represenation of area, if oval, the size of human face region can use oval major axis, short axle or cartographic represenation of area.
With human face region as square, as a example by size length is represented, if size it is interval (0,1], benchmark multiplication factor is
5, size it is interval (1,1.5], benchmark multiplication factor is 4, size it is interval (1.5,2], benchmark multiplication factor is 3, and size exists
It is interval (2,3], benchmark multiplication factor is 2, size it is interval (3,4.5] benchmark multiplication factor is 1.5, size it is interval (4,
∞), benchmark multiplication factor is 1.
If size is in interval (12, ∞), benchmark minification is 4, size it is interval (12,9], benchmark minification is 3,
Size it is interval (8,6], benchmark minification is 2, size it is interval (6,3], benchmark minification is 1.5, and size is in interval
(3,0], benchmark minification is 1.
The above is interval and interval corresponding benchmark multiplication factor or benchmark minification are only an implementation of the invention
Example, in specific implementation process, interval and interval corresponding benchmark multiplication factor or benchmark minification can be other relations.
S105, described image is zoomed in or out according to the actual multiplication factor or actual minification.
The actual multiplication factor or actual minification are related to the size of characteristic area, therefore, if when user needs
When carrying out the scaling of larger multiple to image with double finger slides, it is to be capable of achieving that finger slides shorter distance.
After a zoom operations are carried out to image using the above method, if not reaching the zooming effect of user's needs, user
Can be repeated the above steps on the basis of the image being scaled carries out secondary or even multiple zoom operations.
A kind of image-scaling method of the embodiment of the present invention, when being zoomed in and out to the image comprising characteristic area, if with
Family is zoomed in and out for a certain characteristic area, then the size according to characteristic area is zoomed in and out, for the contracting of less characteristic area
When putting, using larger multiplication factor or less minification zoomed image, when being scaled for larger characteristic area, use
Less multiplication factor or larger minification zoomed image.
Fig. 2 is referred to, Fig. 2 is a kind of another schematic flow diagram of image-scaling method provided in an embodiment of the present invention, should
Method comprises the following steps S201~S205.
S201, detection zoom in or out operation to image.
Further, the operation that zooms in or out to image includes double referring to slides or singly referring to that behaviour is clicked in repetition
Make.
The region that S202, acquisition described image are operated, and if the operation that zooms in or out to image refers to cunning for double
Dynamic operation, calculates double total distances for referring to and sliding.
Further, if the operation that zooms in or out to image refers to slide, the region that described image is operated for double
It is the border circular areas formed by diameter with the line of the contact point of screen with double fingers, or is the contact point with double fingers with screen
Line is the rectangular area that diagonal is formed；If zooming in or out operation singly to refer to repetition clicking operation, the figure to image
As the region that is operated be with finger repeat touch point in clicking operation as the center of circle, the border circular areas that are formed of predetermined length radius,
Or centered on touch point in finger clicking operation, the rectangular area of preset length diagonal formation.
It is double to refer to that the total distance slided is relevant with the actual scaling multiple of image, it is double to refer to that the total distance slided is bigger, image
Actual scaling multiple is bigger.
If S203, the region for being operated include characteristic information, the corresponding characteristic area of the characteristic information is obtained.
Further, the characteristic information is at least one in face characteristic information, including human eye, nose and face,
The characteristic area is human face region.The region for being operated may include eyes, face and/or the nose of same person
Son, then the corresponding characteristic area of these characteristic informations is a human face region, and the region for being operated is likely to include
The face characteristic information of different people, then characteristic area is the respective face characteristic information respective human face region of correspondence.
S204, the size according to the characteristic area and total distance determine actual multiplication factor or actual diminution times
Number.
In embodiments of the present invention, the step S205 includes：
If the human face region is one, the size of the human face region is calculated, obtain the size of the human face region
The interval corresponding benchmark multiplication factor in place or benchmark minification, calculate actual multiplication factor or actual minification, actual
Multiplication factor or actual minification are multiplied by the benchmark multiplication factor equal to total distance or total distance be multiplied by it is described
Benchmark minification；
If the human face region is at least two, the size of each human face region is calculated respectively, everyone is obtained respectively
Interval corresponding benchmark multiplication factor or benchmark minification where the size in face region, calculate mean baseline multiplication factor or flat
Equal benchmark minification, calculates actual multiplication factor or actual minification, and actual multiplication factor or actual minification are equal to
Total distance is multiplied by the mean baseline multiplication factor or total distance is multiplied by the mean baseline minification.
If the face characteristic of the region one-man for being operated, illustrate that user wants to contract a face
Put, actual multiplication factor or actual minification are related to the size of the human face region, one where the size of human face region
Interval correspondence one benchmark multiplication factor or benchmark minification, calculate the size of this human face region, find the size pair
The interval answered, just can obtain corresponding benchmark multiplication factor or benchmark minification, and it is Ncm that double fingers slide total distance, then actual
Multiplication factor (actual minification)=N* benchmark multiplication factor (benchmark minification).
If the region for being operated has the face characteristic of at least two people, illustrate that user is wanted at least two people
Face zoom in and out, actual multiplication factor or actual minification are related to the size of at least two human face region, calculate
Go out the size of at least two human face region, the corresponding interval of the size is found respectively, obtain at least two human face region point
Not corresponding benchmark multiplication factor or benchmark minification, it is reality to take average benchmark multiplication factor or mean baseline minification
Multiplication factor or actual minification, it is Ncm that double fingers slide total distance, then actual multiplication factor (actual minification)=N* puts down
Equal benchmark multiplication factor (mean baseline minification).
With human face region as square, as a example by the size length of human face region is represented, interval where size (0,1] correspondence
Benchmark multiplication factor be 5, it is interval (1,1.5] corresponding benchmark multiplication factor is 4, interval (1.5,2] corresponding benchmark amplifies
Multiple is 3, interval (2,3] corresponding benchmark multiplication factor is 2, interval (3,4.5] corresponding benchmark multiplication factor is 1.5, area
Between (4, ∞) corresponding benchmark multiplication factor be 1.
Interval (12, ∞) corresponding benchmark minification is 4, interval (12,9] corresponding benchmark minification is 3, interval
(8,6] corresponding benchmark minification is 2, interval (6,3] corresponding benchmark minification is 1.5, size it is interval (3,0] it is right
The benchmark minification answered is 1.
S205, described image is zoomed in or out according to the actual multiplication factor or actual minification.
The size and the distance of double finger slides of the actual multiplication factor or actual minification and characteristic area
It is relevant, when being scaled for less characteristic area, using larger multiplication factor or less minification zoomed image, for
When larger characteristic area is scaled, using less multiplication factor or larger minification zoomed image, finger slide always away from
From bigger, actual scaling multiple is bigger, therefore, when user needs to carry out image by double finger slides the contracting of larger multiple
When putting, it is to be capable of achieving that finger slides shorter distance, and when user needs to carry out the scaling of bigger multiple to image, is somewhat increased
Plus a little always distance of sliding is capable of achieving.
Fig. 3 is referred to, Fig. 3 is a kind of schematic block diagram of terminal 100 provided in an embodiment of the present invention, and the terminal 100 is wrapped
Include detection unit 101, first acquisition unit 102, second acquisition unit 103, determining unit 104 and unit for scaling 105.
The detection unit 101, operation is zoomed in or out for detecting to image.
Further, the operation that zooms in or out to image includes double referring to slides or singly referring to that behaviour is clicked in repetition
Make.
The first acquisition unit 102, for obtaining the region that described image is operated.
Further, if the operation that zooms in or out to image refers to slide, the region that described image is operated for double
It is the border circular areas formed by diameter with the line of the contact point of screen with double fingers, or is the contact point with double fingers with screen
Line is the rectangular area that diagonal is formed.
If zooming in or out operation singly to refer to repetition clicking operation to image, the region that described image is operated is with hand
Refer to that touch point is the center of circle, the border circular areas of predetermined length radius formation in repeating clicking operation, or touched with finger clicking operation
Centered on touching a little, preset length diagonal formed rectangular area.
The second acquisition unit 103, if including characteristic information for the region for being operated, obtains the feature
The corresponding characteristic area of information.
Terminal 100 detects double finger and is opened with slip or kneading action in touch-control screen surfaces, or to detect finger quick
Double-click image same place, then explanation needs to zoom in or out operation to image, and now terminal 100 obtains the area that image is operated
Domain, judges whether the region has characteristic information, if having characteristic information, then it is assumed that it is the spy that user needs the object of scaling
Reference ceases corresponding characteristic area, the scaled image according to characteristic area.
Further, the characteristic information is at least one in face characteristic information, including human eye, nose and face,
The characteristic area is human face region.
The determining unit 104, for determining actual multiplication factor or actual diminution according to the size of the characteristic area
Multiple.
Further, as shown in figure 4, the determining unit 104, including computation subunit 1041 and first obtains subelement
1042。
The computation subunit 1041, the size for calculating each human face region.
Described first obtains subelement 1042, is used for：
If the human face region is one, interval corresponding benchmark times magnification where the size of the human face region is obtained
Number or benchmark minification, the benchmark multiplication factor or benchmark minification are actual multiplication factor or actual minification；
Or
If the human face region is at least two, interval corresponding base where the size of each human face region is obtained respectively
Quasi- multiplication factor or benchmark minification, calculate mean baseline multiplication factor or mean baseline minification, the mean baseline
Multiplication factor or mean baseline minification are actual multiplication factor or actual minification.
The unit for scaling 105, for being carried out to described image according to the actual multiplication factor or actual minification
Zoom in or out.
Actual multiplication factor or actual minification are related to the size of characteristic area, when user need to carry out image compared with
During the scaling of big multiple, actual multiplication factor or actual minification are determined by the size of characteristic area.
After a zoom operations are carried out to image, if not reaching the zooming effect of user's needs, user can be contracted
Secondary or even multiple zoom operations are carried out on the basis of the image put.
A kind of terminal 100 of the embodiment of the present invention, when user scales for less characteristic area, using larger amplification
Multiple or less minification zoomed image, scale, using less multiplication factor or larger for larger characteristic area
Minification zoomed image, user need not slide larger distance come zoomed image by finger.
Fig. 5 is referred to, Fig. 5 is a kind of schematic block diagram of terminal provided in an embodiment of the present invention, and the terminal includes detection
Unit 201, first acquisition unit 202, computing unit 203, second acquisition unit 204, determining unit 205 and unit for scaling 206.
The detection unit 201, operation is zoomed in or out for detecting to image.
Further, the operation that zooms in or out to image includes double referring to slides or singly referring to that behaviour is clicked in repetition
Make.
The first acquisition unit 202, the region where for obtaining double fingers.
Further, if the operation that zooms in or out to image refers to slide, the region that described image is operated for double
It is the border circular areas formed by diameter with the line of the contact point of screen with double fingers, or is the contact point with double fingers with screen
Line is the rectangular area that diagonal is formed；If zooming in or out operation singly to refer to repetition clicking operation, the figure to image
As the region that is operated be with finger repeat touch point in clicking operation as the center of circle, the border circular areas that are formed of predetermined length radius,
Or centered on touch point in finger clicking operation, the rectangular area of preset length diagonal formation.
The computing unit 203, if referring to slide for double for the operation that zooms in or out to image, calculates double
Refer to the total distance slided.
The second acquisition unit 204, if including characteristic information for the region for being operated, obtains the feature
The corresponding characteristic area of information.
Further, the characteristic information is at least one in face characteristic information, including human eye, nose and face,
The characteristic area is human face region.
The determining unit 205, actual times magnification is determined for the size according to the characteristic area and total distance
Number or actual minification.
Further, as shown in fig. 6, the determining unit 205, including computation subunit 2051 and second obtains subelement
2052。
The computation subunit 2051, the size for calculating each human face region；
Described second obtains subelement 2052, is used for：
If the human face region is one, interval corresponding benchmark times magnification where the size of the human face region is obtained
Number or benchmark minification, calculate actual multiplication factor or actual minification, actual multiplication factor or actual minification etc.
The benchmark multiplication factor is multiplied by total distance or total distance is multiplied by the benchmark minification；Or
If the human face region is at least two, interval corresponding base where the size of each human face region is obtained respectively
Quasi- multiplication factor or benchmark minification, calculate mean baseline multiplication factor or mean baseline minification, calculate actual amplification
Multiple or actual minification, actual multiplication factor or actual minification are multiplied by the mean baseline equal to total distance to be put
Big multiple or total distance are multiplied by the mean baseline minification.
If the face characteristic of the region one-man operated in image, illustrate that user wants to carry out a face
Scaling, actual multiplication factor or actual minification are related to the size of the human face region, and where the size of human face region one
Individual interval correspondence one benchmark multiplication factor or benchmark minification, calculate the size of this human face region, find the size
Corresponding interval, just can obtain corresponding benchmark multiplication factor or benchmark minification, and it is Ncm that double fingers slide total distance, then real
Border multiplication factor (actual minification)=N* benchmark multiplication factor (benchmark minification).
If the region operated in image has the face characteristic of at least two people, illustrate user it is desired to this at least two
The face of people is zoomed in and out, and actual multiplication factor or actual minification are related to the size of at least two human face region, meter
The size of at least two human face region is calculated, the corresponding interval of the size is found respectively, obtain at least two human face region
Corresponding benchmark multiplication factor or benchmark minification, take average benchmark multiplication factor or mean baseline minification in fact respectively
Border multiplication factor or actual minification, it is Ncm that double fingers slide total distance, then actual multiplication factor (actual minification)=N*
Mean baseline multiplication factor (mean baseline minification).
The unit for scaling 206, for being carried out to described image according to the actual multiplication factor or actual minification
Zoom in or out.
The terminal of the embodiment of the present invention, the actual multiplication factor or actual minification of image and the size of characteristic area with
And double distance dependents for referring to slide, for less characteristic area scaling, using larger multiplication factor or less contracting
Small multiple zoomed image, scales for larger characteristic area, is scaled using less multiplication factor or larger minification
Image, always distance is bigger for finger slip, and actual scaling multiple is bigger, therefore, when user is entered by pair finger slides to image
During the scaling of the larger multiple of row, it is to be capable of achieving that finger slides shorter distance, and working as user needs to carry out bigger multiple to image
Scaling when, somewhat increase and a little slide total distance and be capable of achieving.
Fig. 7 is referred to, Fig. 7 is a kind of structure composition schematic diagram of terminal 300 provided in an embodiment of the present invention.The terminal
300 memory 302, the outputs that can include input equipment 301, include one or more computer-readable recording mediums
Equipment 303, transceiver 304 and include the part such as or the processor 305 of more than one processing core.Ability
Field technique personnel are appreciated that the restriction of the structure of terminal 300 shown in Fig. 7 not structure paired terminal 300, can include than figure
Show more or less part, or combine some parts, or different part arrangements.
Input equipment 301 can be used to receive the numeral or character information of input, and produce the key relevant with function control
Disk, mouse, action bars, optics or trace ball signal input.Specifically, in a specific embodiment, input equipment 301
May include Touch sensitive surface and other input units.Touch sensitive surface, also referred to as touch display screen or Trackpad, can collect user
Thereon or neighbouring touch operation (such as user is using any suitable objects such as finger, stylus or annex in Touch sensitive surface
The upper or operation near Touch sensitive surface), and corresponding attachment means are driven according to formula set in advance.Optionally, it is touch-sensitive
Surface may include two parts of touch detecting apparatus and touch controller.Wherein, touch detecting apparatus detect the touch side of user
Position, and the signal that touch operation brings is detected, transmit a signal to touch controller；Touch controller is from touch detecting apparatus
Touch information is received, and is converted into contact coordinate, then give processor 305, and the order that energy receiving processor 305 is sent
And performed.Furthermore, it is possible to realize touch-sensitive table using polytypes such as resistance-type, condenser type, infrared ray and surface acoustic waves
Face.Except Touch sensitive surface, input equipment 301 can also include other input units.
Memory 302 can be used to store application program and data.Include and can hold in the application program of the storage of memory 302
Line code.Application program can constitute various functions module.Processor 305 is by running application journey of the storage in memory 302
Sequence, so as to perform various function application and data processing.Memory 302 can mainly include storing program area and data storage
Area, wherein, application program that storing program area can be needed for storage program area, at least one function (such as sound-playing function,
Image player function etc.) etc.；Storage data field can store according to terminal 300 use created data (such as voice data,
Phone directory etc.) etc..Additionally, memory 302 can include high-speed random access memory, non-volatile memories can also be included
Device, for example, at least one disk memory, flush memory device or other volatile solid-state parts.Correspondingly, memory
302 can also include Memory Controller, to provide access of the processor 305 to memory 302.
Output equipment 303 is used for the output data of external output terminal 300, it may include display, loudspeaker etc..Further
, the display panel of display can cover Touch sensitive surface, when Touch sensitive surface is detected thereon or after neighbouring touch operation, pass
Processor 305 is given to determine the type of touch event, with preprocessor 305 according to the type of touch event on a display panel
Corresponding visual output is provided.
Transceiver 304, for sending data to other equipment or receiving data from other equipment.In general, receiving
Hair equipment 304 may include bluetooth, radio-frequency antenna, near-field communication module etc..
Processor 305 is the control centre of terminal 300, using each of various interfaces and the whole terminal 300300 of connection
Individual part, by running or performing application program of the storage in memory 302, and calls storage in memory 302
Data, perform the various functions and processing data of terminal 300, so as to carry out integral monitoring to terminal 300.Optionally, processor
305 may include one or more processing cores；Preferably, processor 305 can integrated application processor and modem processor,
Wherein, application processor mainly processes operating system, user interface and application program etc., and modem processor mainly processes nothing
Line communicates.It is understood that above-mentioned modem processor can not also be integrated into processor 305.
Although not shown in Fig. 7, it will be understood to those skilled in the art that terminal 300 can also include camera, indigo plant
Tooth, Wireless Fidelity etc., will not be repeated here.
Specifically in the present embodiment, the processor 305 of terminal 300 can be according to following instruction, by one or more
Application program the corresponding executable code of process or data be loaded into memory 302, run by processor 305 or grasped
Program code in the memory 302 or data are stored, and performs following operation：
Detection zooms in or out operation to image；Obtain the region that described image is operated；If the area for being operated
Domain includes characteristic information, then obtain the corresponding characteristic area of the characteristic information；Size according to the characteristic area determines real
Border multiplication factor or actual minification；Described image is amplified according to the actual multiplication factor or actual minification
Or reduce.
Further, the processor 305 also performs following operation：Detection zooms in or out operation to image；Obtain
The region that described image is operated, and if the operation that zooms in or out to image is pair finger slides, the double finger cunnings of calculating
Dynamic total distance；If the region for being operated includes characteristic information, the corresponding characteristic area of the characteristic information is obtained；Root
Size and total distance according to the characteristic area determine actual multiplication factor or actual minification；Actually put according to described
Big multiple or actual minification are zoomed in or out to described image.
Those of ordinary skill in the art are it is to be appreciated that the list of each example described with reference to the embodiments described herein
Unit and algorithm steps, can be realized, with electronic hardware, computer software or the combination of the two in order to clearly demonstrate hardware
With the interchangeability of software, the composition and step of each example are generally described according to function in the above description.This
A little functions are performed with hardware or software mode actually, depending on the application-specific and design constraint of technical scheme.Specially
Industry technical staff can realize described function to each specific application using distinct methods, but this realization is not
It is considered as beyond the scope of this invention.
It is apparent to those skilled in the art that, for convenience of description and succinctly, the end of foregoing description
End and the specific work process of unit, may be referred to the corresponding process in preceding method embodiment, will not be repeated here.
In several embodiments provided herein, it should be understood that disclosed terminal and method, can be by it
Its mode is realized.For example, device embodiment described above is only schematical, for example, the division of the unit, only
Only a kind of division of logic function, can there is other dividing mode when actually realizing, such as multiple units or component can be tied
Another system is closed or is desirably integrated into, or some features can be ignored, or do not perform.In addition, shown or discussed phase
Coupling or direct-coupling or communication connection between mutually can be INDIRECT COUPLING or the communication by some interfaces, device or unit
Connection, or electricity, machinery or other forms connections.
Step in present invention method can according to actual needs carry out order adjustment, merge and delete.
Unit in embodiment of the present invention terminal can according to actual needs be merged, divides and deleted.
The unit that is illustrated as separating component can be or may not be it is physically separate, it is aobvious as unit
The part for showing can be or may not be physical location, you can with positioned at a place, or can also be distributed to multiple
On NE.Some or all of unit therein can be according to the actual needs selected to realize embodiment of the present invention scheme
Purpose.
In addition, during each functional unit in each embodiment of the invention can be integrated in a processing unit, it is also possible to
It is that unit is individually physically present, or two or more units are integrated in a unit.It is above-mentioned integrated
Unit can both be realized in the form of hardware, it would however also be possible to employ the form of SFU software functional unit is realized.
If the integrated unit is to realize in the form of SFU software functional unit and as independent production marketing or use
When, can store in a computer read/write memory medium.Based on such understanding, technical scheme is substantially
The part for being contributed to prior art in other words, or all or part of the technical scheme can be in the form of software product
Embody, the computer software product is stored in a storage medium, including some instructions are used to so that a computer
Equipment (can be personal computer, server, or network equipment etc.) performs the complete of each embodiment methods described of the invention
Portion or part steps.And foregoing storage medium includes：USB flash disk, mobile hard disk, read-only storage (ROM, Read-Only
Memory), random access memory (RAM, Random Access Memory), magnetic disc or CD etc. are various can store journey
The medium of sequence code.
The above, specific embodiment only of the invention, but protection scope of the present invention is not limited thereto, and it is any
Those familiar with the art the invention discloses technical scope in, various equivalent modifications can be readily occurred in or replaced
Change, these modifications or replacement should all be included within the scope of the present invention.Therefore, protection scope of the present invention should be with right
It is required that protection domain be defined.
Claims (10)
1. a kind of image-scaling method, it is characterised in that including：
Detection zooms in or out operation to image；
Obtain the region that described image is operated；
If the region for being operated includes characteristic information, the corresponding characteristic area of the characteristic information is obtained；
Size according to the characteristic area determines actual multiplication factor or actual minification；
Described image is zoomed in or out according to the actual multiplication factor or actual minification.
2. the method for claim 1, it is characterised in that the operation that zooms in or out to image includes that double finger slides
Operation singly refers to repetition clicking operation；
If the operation that zooms in or out to image refers to slide for double, the region that described image is operated is with double fingers and screen
Contact point the border circular areas that are formed by diameter of line, or be the line with double fingers and the contact point of screen as diagonally linear
Into rectangular area；
If zooming in or out operation singly to refer to repetition clicking operation to image, the region that described image is operated is with finger weight
Touch point is the center of circle, the border circular areas of predetermined length radius formation in multiple clicking operation, or with touch point in finger clicking operation
Centered on, preset length diagonal formed rectangular area.
3. method as claimed in claim 2, it is characterised in that the characteristic information is face characteristic information, including human eye, nose
Son and face at least one, the characteristic area be human face region.
4. method as claimed in claim 3, it is characterised in that described that actual amplification is calculated according to the size of the characteristic area
Multiple or actual minification, including：
If the human face region is one, the size of the human face region is calculated, obtain the size place of the human face region
Interval corresponding benchmark multiplication factor or benchmark minification, the benchmark multiplication factor or benchmark minification amplify for actual
Multiple or actual minification；
If the human face region is at least two, the size of each human face region is calculated respectively, each face area is obtained respectively
Interval corresponding benchmark multiplication factor or benchmark minification where the size in domain, calculate mean baseline multiplication factor or average base
Quasi- minification, the mean baseline multiplication factor or mean baseline minification are actual multiplication factor or actual diminution times
Number.
5. method as claimed in claim 3, it is characterised in that also include：If the operation that zooms in or out to image is double fingers
Slide, calculates double total distances for referring to and sliding；
It is described that actual multiplication factor or actual minification are determined according to the size of the characteristic area, including：
If the human face region is one, the size of the human face region is calculated, obtain the size place of the human face region
Interval corresponding benchmark multiplication factor or benchmark minification, calculate actual multiplication factor or actual minification, actual to amplify
Multiple or actual minification are multiplied by the benchmark multiplication factor equal to total distance or total distance is multiplied by the benchmark
Minification；
If the human face region is at least two, the size of each human face region is calculated respectively, each face area is obtained respectively
Interval corresponding benchmark multiplication factor or benchmark minification where the size in domain, calculate mean baseline multiplication factor or average base
Quasi- minification, calculates actual multiplication factor or actual minification, and actual multiplication factor or actual minification are equal to described
Total distance is multiplied by the mean baseline multiplication factor or total distance is multiplied by the mean baseline minification.
6. a kind of terminal, it is characterised in that including：
Detection unit, operation is zoomed in or out for detecting to image；
First acquisition unit, for obtaining the region that described image is operated；
Second acquisition unit, if including characteristic information for the region for being operated, obtains the characteristic information corresponding
Characteristic area；
Determining unit, for determining actual multiplication factor or actual minification according to the size of the characteristic area；
Unit for scaling, for being zoomed in or out to described image according to the actual multiplication factor or actual minification.
7. terminal as claimed in claim 6, it is characterised in that the operation that zooms in or out to image includes that double finger slides
Operation singly refers to repetition clicking operation；
If the operation that zooms in or out to image refers to slide for double, the region that described image is operated is with double fingers and screen
Contact point the border circular areas that are formed by diameter of line, or be the line with double fingers and the contact point of screen as diagonally linear
Into rectangular area；
If zooming in or out operation singly to refer to repetition clicking operation to image, the region that described image is operated is with finger weight
Touch point is the center of circle, the border circular areas of predetermined length radius formation in multiple clicking operation, or with touch point in finger clicking operation
Centered on, preset length diagonal formed rectangular area.
8. terminal as claimed in claim 7, it is characterised in that the characteristic information is face characteristic information, including human eye, nose
Son and face at least one, the characteristic area be human face region.
9. terminal as claimed in claim 8, it is characterised in that the determining unit, including：
Computation subunit, the size for calculating each human face region；
First obtains subelement, is used for：
If the human face region is one, obtain interval corresponding benchmark multiplication factor where the size of the human face region or
Benchmark minification, the benchmark multiplication factor or benchmark minification are actual multiplication factor or actual minification；Or
If the human face region is at least two, interval corresponding benchmark where the size of each human face region is obtained respectively is put
Big multiple or benchmark minification, calculate mean baseline multiplication factor or mean baseline minification, and the mean baseline amplifies
Multiple or mean baseline minification are actual multiplication factor or actual minification.
10. terminal as claimed in claim 8, it is characterised in that also including computing unit, the computing unit is used for：If right
The operation that zooms in or out of image refers to slide for double, calculates double total distances for referring to and sliding；
The determining unit, including：
Computation subunit, the size for calculating each human face region；
Second obtains subelement, is used for：
If the human face region is one, obtain interval corresponding benchmark multiplication factor where the size of the human face region or
Benchmark minification, calculates actual multiplication factor or actual minification, and actual multiplication factor or actual minification are equal to institute
State that total distance is multiplied by the benchmark multiplication factor or total distance is multiplied by the benchmark minification；Or
If the human face region is at least two, interval corresponding benchmark where the size of each human face region is obtained respectively is put
Big multiple or benchmark minification, calculate mean baseline multiplication factor or mean baseline minification, calculate actual multiplication factor
Or actual minification, actual multiplication factor or actual minification are multiplied by the mean baseline times magnification equal to total distance
Several or described total distance is multiplied by the mean baseline minification.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710153903.7A CN106933487A (en) | 2017-03-15 | 2017-03-15 | A kind of image-scaling method and terminal |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710153903.7A CN106933487A (en) | 2017-03-15 | 2017-03-15 | A kind of image-scaling method and terminal |
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| CN201710153903.7A Withdrawn CN106933487A (en) | 2017-03-15 | 2017-03-15 | A kind of image-scaling method and terminal |
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