CN107896303A - A kind of image-pickup method, system and equipment and computer-readable recording medium - Google Patents
A kind of image-pickup method, system and equipment and computer-readable recording medium Download PDFInfo
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- CN107896303A CN107896303A CN201710995421.6A CN201710995421A CN107896303A CN 107896303 A CN107896303 A CN 107896303A CN 201710995421 A CN201710995421 A CN 201710995421A CN 107896303 A CN107896303 A CN 107896303A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/67—Focus control based on electronic image sensor signals
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/724—User interfaces specially adapted for cordless or mobile telephones
- H04M1/72403—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality
- H04M1/7243—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality with interactive means for internal management of messages
- H04M1/72439—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality with interactive means for internal management of messages for image or video messaging
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/62—Control of parameters via user interfaces
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- Human Computer Interaction (AREA)
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Abstract
The invention discloses a kind of image-pickup method, and applied to mobile terminal, methods described includes：Image acquisition equipment is called, and image to be displayed is acquired according to the Image Processing parameter pre-set, obtains and shows two field picture；The display two field picture is shown, and receives user's region of interest ROI based on determined by the display two field picture；Determine the zoom parameters of the area-of-interest；Based on the zoom parameters, image is re-started to the area-of-interest and obtains and shows.In addition, the embodiment of the present invention additionally provides a kind of image capturing system, equipment and computer-readable recording medium, pass through embodiment provided in an embodiment of the present invention, automatically calculate suitable zoom magnification and then carry out image procossing and display, then defocused image will be become and be presented to user, the running cost of user is reduced, zoom operation is simpler direct, improves Consumer's Experience.
Description
Technical field
The present invention relates to mobile terminal technical field of image acquisition, more particularly to a kind of image-pickup method, system
With equipment and computer-readable recording medium.
Background technology
The equipment such as existing smart mobile phone, handheld terminal often all have the function of taking pictures, and the function of taking pictures is that have shooting
Head and interact and realize installed in the software of equipment.In practical application, when the distance found a view is longer or shorter, often
Need to carry out focus adjustment, and carry out zoom, be to be amplified by eyeglass movement with reducing the scenery for needing to shoot, optical zoom
Multiple is bigger, and the scenery that can be shot is more remote, is contrasted for the not strong camera of zoom performance, adjusts the long-range shooting of focal length
It is relatively clear.
Zoom is primary demand when shooting photo, and the zoom of present mobile terminal usually requires user and gone manually
The controller (such as double slider bars for referring to scaling, sliding zoom etc.) of zoom is operated, zoom is carried out according to the coefficient of zoom.By
Error be present in human hand, customer satisfaction system find a view can just be zoomed to by generally requiring multi-pass operation.
The content of the invention
It is a primary object of the present invention to propose a kind of image-pickup method, system and equipment and computer-readable storage medium
Matter, it is intended to the display interface for the application program that a user is concerned about is suspended on the interface of other applications, so that with
When observe application program current change, without repeatedly go operation find application program, improve Consumer's Experience.
To achieve the above object, the present invention proposes a kind of image-pickup method, applied to mobile terminal, methods described bag
Include：
Image acquisition equipment is called, and image to be displayed is acquired according to the Image Processing parameter pre-set, is obtained
Two field picture must be shown；
The display two field picture is shown, and receives user's region of interest ROI based on determined by the display two field picture；
Determine the zoom parameters of the area-of-interest；
Based on the zoom parameters, image is re-started to the area-of-interest and obtains and shows.
Optionally, methods described also includes：
Image taking instruction is obtained, obtains the image of the area-of-interest, and preserve the image of the area-of-interest.
Optionally, methods described also includes：
The hardware parameter of equipment and the image processing algorithm of mobile terminal, zoom magnification ginseng are obtained according at least to described image
The content of several, described display two field picture, calculate the zoom threshold information of the region of interest ROI.
Optionally, methods described also includes：
The zoom threshold information of the region of interest ROI is placed on the display interface of the mobile terminal.
Optionally, obtained according to the display two field picture, the area-of-interest, described image at equipment and described image
Adjustment method, determine target camera；
It is described to be based on the zoom parameters, image is re-started to the area-of-interest and obtains and shows, including：
Based on the zoom parameters and target camera, image is re-started to the area-of-interest and obtains and shows.
In addition, to achieve the above object, the present invention proposes a kind of image capturing system, including：Image capture module point
It is not connected in image interactive module, zoom computing module；
Described image acquisition module, for calling image acquisition equipment, and according to the Image Processing parameter pair pre-set
Image to be displayed is acquired, and is obtained and is shown two field picture；
Described image interactive module, for showing the display two field picture, and receive user and be based on the display two field picture
Identified region of interest ROI；
The zoom computing module, for determining the zoom parameters of the area-of-interest, and send to described image and adopt
Collect module, so that described image acquisition module enters again according to the zoom parameters of the area-of-interest to the area-of-interest
Row image obtains, and sends to described image interactive module and shown.
Optionally, display module, for obtaining image taking instruction, the image of the area-of-interest is obtained, and preserve
The image of the area-of-interest.
Optionally, the hardware parameter of equipment and the image processing algorithm of mobile terminal obtained according at least to described image, become
The content of burnt multiple parameter, the display two field picture, calculates the zoom threshold information of the region of interest ROI, and feed back to
Described image acquisition module.
In addition, to achieve the above object, the present invention proposes a kind of image capture device, it is described applied to mobile terminal
Image capture device includes：Memory, processor and communication bus；
The communication bus is used to realize the connection communication between processor and memory；
The processor is used to perform image acquisition procedure, to realize following steps：
Image acquisition equipment is called, and image to be displayed is acquired according to the Image Processing parameter pre-set, is obtained
Two field picture must be shown；
The display two field picture is shown, and receives user's region of interest ROI based on determined by the display two field picture；
Determine the zoom parameters of the area-of-interest；
Based on the zoom parameters, image is re-started to the area-of-interest and obtains and shows.
Optionally, the processor is additionally operable to perform image acquisition procedure, to realize following steps：
Image taking instruction is obtained, obtains the image of the area-of-interest, and preserve the image of the area-of-interest.
Optionally, the processor is additionally operable to perform image acquisition procedure, to realize following steps：
The hardware parameter of equipment and the image processing algorithm of mobile terminal, zoom magnification ginseng are obtained according at least to described image
The content of several, described display two field picture, calculate the zoom threshold information of the region of interest ROI.
Optionally, the processor is used to perform image acquisition procedure, to realize following steps：
The zoom threshold information of the region of interest ROI is placed on the display interface of the mobile terminal.
Optionally, the processor is used to perform image acquisition procedure, to realize following steps：
Equipment and described image Processing Algorithm are obtained according to the display two field picture, the area-of-interest, described image,
Determine target camera；
It is described to be based on the zoom parameters, image is re-started to the area-of-interest and obtains and shows, including：
Based on the zoom parameters and target camera, image is re-started to the area-of-interest and obtains and shows.
To achieve the above object, the present invention proposes a kind of computer-readable recording medium, described applied to mobile terminal
Computer-readable recording medium storage has one or more program, and one or more of programs can be by one or more
Computing device, so that one or more of computing device steps：
Image acquisition equipment is called, and image to be displayed is acquired according to the Image Processing parameter pre-set, is obtained
Two field picture must be shown；
The display two field picture is shown, and receives user's region of interest ROI based on determined by the display two field picture；
Determine the zoom parameters of the area-of-interest；
Based on the zoom parameters, image is re-started to the area-of-interest and obtains and shows.
Further, one or more of programs are also by one or more of computing devices, with realize with
Lower step：
Image taking instruction is obtained, obtains the image of the area-of-interest, and preserve the image of the area-of-interest.
Further, one or more of programs are also by one or more of computing devices, with realize with
Lower step：
The hardware parameter of equipment and the image processing algorithm of mobile terminal, zoom magnification ginseng are obtained according at least to described image
The content of several, described display two field picture, calculate the zoom threshold information of the region of interest ROI.
Further, one or more of programs are also by one or more of computing devices, with realize with
Lower step：
The zoom threshold information of the region of interest ROI is placed on the display interface of the mobile terminal.
Further, one or more of programs are also by one or more of computing devices, with realize with
Lower step：
Equipment and described image Processing Algorithm are obtained according to the display two field picture, the area-of-interest, described image,
Determine target camera；
It is described to be based on the zoom parameters, image is re-started to the area-of-interest and obtains and shows, including：
Based on the zoom parameters and target camera, image is re-started to the area-of-interest and obtains and shows.
Therefore, compared to prior art, image-pickup method proposed by the invention, system and equipment and computer-readable
Storage medium, image to be displayed is carried out two field picture and to show to obtain display by using pushing to obtain equipment, for based on
Display two field picture determines ROI, and mobile terminal is emerging to the sense it is determined that ROI zoom parameters, are then based on the zoom parameters
Interesting region re-starts image and obtains and show.Thus, it is possible to automatically determine ROI zoom parameters, solves prior art
In, it is necessary to carry out the focus adjustment of current display image manually, the problem of causing focus adjustment inconvenience.Therefore, it is automatic to calculate
Go out suitable zoom magnification and then carry out image procossing and display, then will become defocused image and be presented to user, reduce user
Running cost, zoom operation more it is simple directly, improve Consumer's Experience.
Brief description of the drawings
Fig. 1 is the hardware architecture diagram for realizing an optional mobile terminal in each embodiment of the present invention；
Fig. 2 is the wireless communication system schematic diagram of mobile terminal as shown in Figure 1；
Fig. 3 is the schematic flow sheet of image-pickup method of the present invention；
Fig. 4 is the embodiment schematic diagram of application image capturing system of the present invention；
Fig. 5 is the embodiment schematic diagram of application image-pickup method of the present invention；
Fig. 6 uses schematic diagram for image-pickup method of the present invention；
Fig. 7 is the structural representation of image capture device of the present invention.
Reference：
The realization, functional characteristics and advantage of the object of the invention will be described further referring to the drawings in conjunction with the embodiments.
Embodiment
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
In follow-up description, the suffix using such as " module ", " part " or " unit " for representing element is only
Be advantageous to the explanation of the present invention, itself there is no a specific meaning.Therefore, " module ", " part " or " unit " can mix
Ground uses.
Terminal can be implemented in a variety of manners.For example, the terminal described in the present invention can include such as mobile phone, flat board
Computer, notebook computer, palm PC, personal digital assistant (Personal Digital Assistant, PDA), portable
Media player (Portable Media Player, PMP), guider, wearable device, Intelligent bracelet, pedometer etc. move
Dynamic terminal, and the fixed terminal such as digital TV, desktop computer.
It will be illustrated in subsequent descriptions by taking mobile terminal as an example, it will be appreciated by those skilled in the art that except special
Outside element for moving purpose, construction according to the embodiment of the present invention can also apply to the terminal of fixed type.
Referring to Fig. 1, its hardware architecture diagram for a kind of mobile terminal of each embodiment of the realization present invention, the shifting
Dynamic terminal 100 can include：RF (Radio Frequency, radio frequency) unit 101, WiFi modules 102, audio output unit
103rd, A/V (audio/video) input block 104, sensor 105, display unit 106, user input unit 107, interface unit
108th, the part such as memory 109, processor 110 and power supply 111.It will be understood by those skilled in the art that shown in Fig. 1
Mobile terminal structure does not form the restriction to mobile terminal, and mobile terminal can be included than illustrating more or less parts,
Either combine some parts or different parts arrangement.
The all parts of mobile terminal are specifically introduced with reference to Fig. 1：
Radio frequency unit 101 can be used for receiving and sending messages or communication process in, the reception and transmission of signal, specifically, by base station
Downlink information receive after, handled to processor 110；In addition, up data are sent to base station.Generally, radio frequency unit 101
Including but not limited to antenna, at least one amplifier, transceiver, coupler, low-noise amplifier, duplexer etc..In addition, penetrate
Frequency unit 101 can also be communicated by radio communication with network and other equipment.Above-mentioned radio communication can use any communication
Standard or agreement, including but not limited to GSM (Global System ofMobile communication, global system for mobile telecommunications
System), GPRS (General Packet Radio Service, general packet radio service), CDMA2000 (Code
Division MultipleAccess 2000, CDMA 2000), WCDMA (Wideband Code
DivisionMultipleAccess, WCDMA), TD-SCDMA (Time Division-Synchronous Code
Division Multiple Access, TD SDMA), FDD-LTE (Frequency Division
Duplexing-Long Term Evolution, FDD Long Term Evolution) and TDD-LTE (Time Division
Duplexing-Long Term Evolution, time division duplex Long Term Evolution) etc..
WiFi belongs to short range wireless transmission technology, and mobile terminal can help user to receive and dispatch electricity by WiFi module 102
Sub- mail, browse webpage and access streaming video etc., it has provided the user wireless broadband internet and accessed.Although Fig. 1 shows
Go out WiFi module 102, but it is understood that, it is simultaneously not belonging to must be configured into for mobile terminal, completely can be according to need
To be omitted in the essential scope for do not change invention.
Audio output unit 103 can be in call signal reception pattern, call mode, record mould in mobile terminal 100
When under the isotypes such as formula, speech recognition mode, broadcast reception mode, by radio frequency unit 101 or WiFi module 102 it is receiving or
It is sound that the voice data that person stores in memory 109, which is converted into audio signal and exported,.Moreover, audio output unit
103 can also provide performed to mobile terminal 100 the related audio output of specific function (for example, call signal reception sound,
Message sink sound etc.).Audio output unit 103 can include loudspeaker, buzzer etc..
A/V input blocks 104 are used to receive audio or video signal.A/V input blocks 104 can include graphics processor
(Graphics Processing Unit, GPU) 1041 and microphone 1042, graphics processor 1041 is in video acquisition mode
Or the static images or the view data of video obtained in image capture mode by image capture apparatus (such as camera) are carried out
Reason.Picture frame after processing may be displayed on display unit 106.Picture frame after the processing of graphics processor 1041 can be deposited
Storage is transmitted in memory 109 (or other storage mediums) or via radio frequency unit 101 or WiFi module 102.Mike
Wind 1042 can connect in telephone calling model, logging mode, speech recognition mode etc. operational mode via microphone 1042
Quiet down sound (voice data), and can be voice data by such acoustic processing.Audio (voice) data after processing can
To be converted to the form output that mobile communication base station can be sent to via radio frequency unit 101 in the case of telephone calling model.
Microphone 1042 can implement various types of noises and eliminate (or suppression) algorithm to eliminate (or suppression) in reception and send sound
Caused noise or interference during frequency signal.
Mobile terminal 100 also includes at least one sensor 105, such as optical sensor, motion sensor and other biographies
Sensor.Specifically, optical sensor includes ambient light sensor and proximity transducer, wherein, ambient light sensor can be according to environment
The light and shade of light adjusts the brightness of display panel 1061, and proximity transducer can close when mobile terminal 100 is moved in one's ear
Display panel 1061 and/or backlight.As one kind of motion sensor, accelerometer sensor can detect in all directions (general
For three axles) size of acceleration, size and the direction of gravity are can detect that when static, the application available for identification mobile phone posture
(such as horizontal/vertical screen switching, dependent game, magnetometer pose calibrating), Vibration identification correlation function (such as pedometer, percussion) etc.；
The fingerprint sensor that can also configure as mobile phone, pressure sensor, iris sensor, molecule sensor, gyroscope, barometer,
The other sensors such as hygrometer, thermometer, infrared ray sensor, will not be repeated here.
Display unit 106 is used for the information for showing the information inputted by user or being supplied to user.Display unit 106 can wrap
Display panel 1061 is included, liquid crystal display (Liquid Crystal Display, LCD), Organic Light Emitting Diode can be used
Forms such as (Organic Light-Emitting Diode, OLED) configures display panel 1061.
User input unit 107 can be used for the numeral or character information for receiving input, and produce the use with mobile terminal
The key signals input that family is set and function control is relevant.Specifically, user input unit 107 may include contact panel 1071
And other input equipments 1072.Contact panel 1071, also referred to as touch-screen, collect touch behaviour of the user on or near it
Make (for example user uses any suitable objects or annex such as finger, stylus on contact panel 1071 or in contact panel
Operation near 1071), and corresponding attachment means are driven according to formula set in advance.Contact panel 1071 may include to touch
Two parts of detection means and touch controller.Wherein, the touch orientation of touch detecting apparatus detection user, and detect touch behaviour
Make the signal brought, transmit a signal to touch controller；Touch controller receives touch information from touch detecting apparatus, and
Contact coordinate is converted into, then gives processor 110, and the order sent of reception processing device 110 and can be performed.This
Outside, the polytypes such as resistance-type, condenser type, infrared ray and surface acoustic wave can be used to realize contact panel 1071.Except touching
Panel 1071 is controlled, user input unit 107 can also include other input equipments 1072.Specifically, other input equipments 1072
Physical keyboard, function key (such as volume control button, switch key etc.), trace ball, mouse, operation can be included but is not limited to
One or more in bar etc., are not limited specifically herein.
Further, contact panel 1071 can cover display panel 1061, detect thereon when contact panel 1071 or
After neighbouring touch operation, processor 110 is sent to determine the type of touch event, is followed by subsequent processing device 110 according to touch thing
The type of part provides corresponding visual output on display panel 1061.Although in Fig. 1, contact panel 1071 and display panel
1061 be the part independent as two to realize the input of mobile terminal and output function, but in certain embodiments, can
Input and the output function of mobile terminal are realized so that contact panel 1071 and display panel 1061 is integrated, specifically herein not
Limit.
Interface unit 108 is connected the interface that can pass through as at least one external device (ED) with mobile terminal 100.For example,
External device (ED) can include wired or wireless head-band earphone port, external power source (or battery charger) port, wired or nothing
Line FPDP, memory card port, the port for connecting the device with identification module, audio input/output (I/O) end
Mouth, video i/o port, ear port etc..Interface unit 108 can be used for receiving the input from external device (ED) (for example, number
It is believed that breath, electric power etc.) and the input received is transferred to one or more elements in mobile terminal 100 or can be with
For transmitting data between mobile terminal 100 and external device (ED).
Memory 109 can be used for storage software program and various data.Memory 109 can mainly include storing program area
And storage data field, wherein, storing program area can storage program area, application program (such as the sound needed at least one function
Sound playing function, image player function etc.) etc.；Storage data field can store according to mobile phone use created data (such as
Voice data, phone directory etc.) etc..In addition, memory 109 can include high-speed random access memory, can also include non-easy
The property lost memory, a for example, at least disk memory, flush memory device or other volatile solid-state parts.
Processor 110 is the control centre of mobile terminal, utilizes each of various interfaces and the whole mobile terminal of connection
Individual part, by running or performing the software program and/or module that are stored in memory 109, and call and be stored in storage
Data in device 109, the various functions and processing data of mobile terminal are performed, so as to carry out integral monitoring to mobile terminal.Place
Reason device 110 may include one or more processing units；Preferably, processor 110 can integrate application processor and modulatedemodulate is mediated
Device is managed, wherein, application processor mainly handles operating system, user interface and application program etc., and modem processor is main
Handle radio communication.It is understood that above-mentioned modem processor can not also be integrated into processor 110.
Mobile terminal 100 can also include the power supply 111 (such as battery) to all parts power supply, it is preferred that power supply 111
Can be logically contiguous by power-supply management system and processor 110, so as to realize management charging by power-supply management system, put
The function such as electricity and power managed.
Although Fig. 1 is not shown, mobile terminal 100 can also will not be repeated here including bluetooth module etc..
For the ease of understanding the embodiment of the present invention, the communications network system being based on below to the mobile terminal of the present invention enters
Row description.
Referring to Fig. 2, Fig. 2 is a kind of communications network system Organization Chart provided in an embodiment of the present invention, the communication network system
Unite as the LTE system of universal mobile communications technology, the UE that the LTE system includes communicating connection successively (User Equipment, is used
Family equipment) 201, E-UTRAN (Evolved UMTS Terrestrial Radio Access Network, evolved UMTS lands
Ground wireless access network) 202, EPC (Evolved Packet Core, evolved packet-based core networks) 203 and operator IP operation
204。
Specifically, UE201 can be above-mentioned terminal 100, and here is omitted.
E-UTRAN202 includes eNodeB2021 and other eNodeB2022 etc..Wherein, eNodeB2021 can be by returning
Journey (backhaul) (such as X2 interface) is connected with other eNodeB2022, and eNodeB2021 is connected to EPC203,
ENodeB2021 can provide UE201 to EPC203 access.
EPC203 can include MME (Mobility Management Entity, mobility management entity) 2031, HSS
(Home Subscriber Server, home subscriber server) 2032, other MME2033, SGW (Serving Gate
Way, gateway) 2034, PGW (PDN Gate Way, grouped data network gateway) 2035 and PCRF (Policy and
Charging Rules Function, policy and rate functional entity) 2036 etc..Wherein, MME2031 be processing UE201 and
The control node of signaling between EPC203, there is provided carrying and connection management.HSS2032 is all to manage for providing some registers
Such as the function of attaching position register (not shown) etc, and preserve some and used about service features, data rate etc.
The special information in family.All customer data can be transmitted by SGW2034, and PGW2035 can provide UE 201 IP
Address is distributed and other functions, and PCRF2036 is strategy and the charging control strategic decision-making of business data flow and IP bearing resources
Point, it selects and provided available strategy and charging control decision-making with charge execution function unit (not shown) for strategy.
IP operation 204 can include internet, Intranet, IMS (IP Multimedia Subsystem, IP multimedias
Subsystem) or other IP operations etc..
Although above-mentioned be described by taking LTE system as an example, those skilled in the art it is to be understood that the present invention not only
Suitable for LTE system, be readily applicable to other wireless communication systems, such as GSM, CDMA2000, WCDMA, TD-SCDMA with
And following new network system etc., do not limit herein.
Based on above-mentioned mobile terminal hardware configuration and communications network system, each embodiment of the inventive method is proposed.
To solve prior art problem, the present invention proposes a kind of image-pickup method, system and equipment and a kind of calculating
Machine readable storage medium storing program for executing, is described in detail individually below.
As shown in figure 3, in the present embodiment, at least one camera can be installed on mobile terminal, needing to carry out figure
As being transferred when shooting, carry out obtaining corresponding picture, image proposed by the present invention by being directed at object to be captured
Acquisition method can be divided into following steps：Step S310 is acquisition step：Call image acquisition equipment, and according to pre-setting
Image Processing parameter is acquired to image to be displayed, is obtained and is shown two field picture；Step S320 is step display：Show described aobvious
Show two field picture, and receive user's region of interest ROI based on determined by the display two field picture；Step S330 walks for determination
Suddenly：Determine the zoom parameters of the area-of-interest；Step S340 is obtaining step：Based on the zoom parameters, to the sense
Interest region re-starts image and obtains and show.These above-mentioned steps are according to different demand adjustment orders, or omit certain
A little steps.Or the step of other can also be supplemented according to demand.
It is understood that the executive agent of the image-pickup method of the embodiment of the present invention can be image capture device
And/or image capturing system, described image collecting device and the operation of described image acquisition system are in the terminal, whole in movement
End needs be called when IMAQ.
It should be noted that ROI (region ofinterest), i.e. area-of-interest, in machine vision, image procossing
In, being sketched the contours of from processed image in a manner of square frame, circle, ellipse, irregular polygon etc. needs region to be processed, referred to as feels
Interest region.Various operators (Operator) and function are commonly used on the machine vision softwares such as Halcon, OpenCV, Matlab
To try to achieve region of interest ROI, and carry out the next step processing of image.
In image processing field, area-of-interest (ROI) is the image-region selected from image, and this region is
Your graphical analysis emphasis of interest.The region is drawn a circle to approve to be further processed.You, which is drawn a circle to approve, using ROI thinks the mesh of reading
Mark, it is possible to reduce processing time, increase precision.
S310, image acquisition equipment is called, and image to be displayed is adopted according to the Image Processing parameter pre-set
Collection, obtain and show two field picture.
It should be noted that be provided with image acquisition equipment in mobile terminal in advance, specifically, image acquisition equipment can be with
For camera, the shooting to image can be realized by camera.It will be appreciated by persons skilled in the art that in mobile terminal
Camera need that driver application is installed, therefore, user directly can be realized pair by operation to driver application
The operation of camera.For example, the work(such as the regulation to the opening of camera, closing, switching and tone are realized in application program
Energy.
Exemplary, two cameras are included in mobile terminal, can arbitrarily transfer any one camera as image
Obtain equipment.
It will be appreciated by persons skilled in the art that each camera can correspond to an Image Processing parameter, for example,
Resolution ratio, tone, brightness etc., based on this, it is real that an image acquisition equipment can carry out information gathering to object to be captured
The process now shot, the image of a corresponding object is obtained with after shooting process is realized, as shows two field picture.
Exemplary, camera A is shot to flat management, obtains an image information on flat management, should
Picture is display two field picture.
S320, the display two field picture is shown, and receive user's region of interest based on determined by the display two field picture
Domain ROI.
Display module is included in mobile terminal, specifically, can be LCD/LED display screens etc., can by display module
So that display two field picture to be carried out being shown to user so that user is observed that present image obtains the image acquired in equipment,
The adjustment found a view in order to user.When user determines to show that two field picture need not be adjusted, for what is currently shown
Picture, user can carry out delimitation image-region using manual, for example, delimiting a circle, the garden in two field picture is shown
Area is user's region of interest ROI, after mobile terminal receives the circle that user delimit, image-region that circle is formed
It is defined as ROI.
Exemplary, display two field picture is the gate in whole park, and user wants to shoot the park name directly over gate, thought
Special display is carried out, so picture rectangle is carried out in the region of the surface park name at gate with finger, by the name in park
In title is integrally incorporated in, then the region comprising park name of the delimitation is ROI.
In addition, it is necessary to explanation, the region that user delimited manually can be the shape of rule or not advise
Shape then, it is exemplary, can be circular, oval, square, polygon；Can be irregular polygon, as long as besieged city
The region of one closing, then the region is then considered as area-of-interest.
S330, determine the zoom parameters of the area-of-interest.
It is to allow the image in the region to enter with the image in other regions it is understood that when user determines ROI
Row one distinctly displays, and often for the image that more interesting image regions are showed, such as is amplified, clearly shows
Etc..So the zoom parameters of area-of-interest can be different from the zoom parameters in other regions, that is to say, that ROI zoom parameters
It can change.
, can be according to when the algorithm limit of preceding camera hardware limitation, image procossing in order to automatically obtain ROI zoom parameters
System, the limitation of zoom magnification, the content etc. of current display frame image, can provide active user's energy in real time by zoom computational algorithm
The threshold value of the ROI scopes enough manipulated.
It is understood that zoom computational algorithm, can be the condition image processing algorithm for pre-setting hardware camera
With the corresponding relation of zoom magnification, so as to obtain ROI zoom parameters, the scope of a zoom parameters, current ROI can be provided
Display can be any one value in the zoom parameters scope or carry out one of default setting based on experience value
Optimal value (can set an optimal value) in each scope all in accordance with experience, can directly be used if user is satisfied with
The optimal value, it can be adjusted if user is dissatisfied in above-mentioned zoom parameters scope.
S340, based on the zoom parameters, image is re-started to the area-of-interest and obtains and shows.
It will be appreciated by persons skilled in the art that the zoom parameters for being directed to ROI, institute are had been obtained in S330
To need to show ROI image information again on the basis of the zoom parameters, to reach the mesh that zoom is carried out to ROI
's.
Image acquisition equipment needs to obtain the image of ROI section herein in the process, the foundation this time obtained
It is that the zoom parameters based on S330 are obtained, and the image after acquisition is shown.
Exemplary, the zoom parameters that S330 is obtained are to amplify 2.5 times, therefore, for the park name on flat management
2.5 times are amplified, the other parts with display two field picture so display is had any different.
Can be with, the present invention proposes a kind of more easily zoom operation, and user need to only be irised out with hand desired on display terminal
The scenery taken, the region that background process is selected according to user, suitable Zoom factors is calculated automatically and issue mobile terminal
Background process part, it then will become defocused image and be presented to user, reduce the running cost of user, zoom operation is simpler straight
Connect, be adapted to various scenes, the zoom shot of various different configurating terminals.
Compared to prior art, image-pickup method proposed by the invention, by using push to obtain equipment treat it is aobvious
Diagram picture is carried out to obtain display two field picture and show, for determining ROI based on display two field picture, mobile terminal is it is determined that ROI
Zoom parameters, be then based on the zoom parameters, the area-of-interest is re-started image obtain and display.Thus,
ROI zoom parameters can be automatically determined, are solved in the prior art, it is necessary to which the focal length for carrying out current display image manually is adjusted
Section, the problem of causing focus adjustment inconvenience.Therefore, suitable zoom magnification is calculated automatically and then is carried out image procossing and is shown
Show, then will become defocused image and be presented to user, reduce the running cost of user, zoom operation is simpler direct, improves
Consumer's Experience.
In one embodiment of the invention, methods described also includes：Image taking instruction is obtained, is obtained described interested
The image in region, and preserve the image of the area-of-interest.In the embodiment of the present invention, zoom processing is being carried out to ROI section
And after showing, user can retransmit the instruction of a shooting, and ROI region is shot, and the ROI measured after shooting is entered
Row storage, it is thereby achieved that while shooting image shows frame, in addition obtain ROI picture.Specifically, ROI
Save location can be acquiescence region, all be used for preserve ROI picture or with show two field picture identical store
In address, the embodiment of the present invention is not specifically limited herein.
It is further, it is necessary to explanation, it is described determine the area-of-interest zoom parameters the step of, including：
The hardware parameter of equipment and the image processing algorithm of mobile terminal, zoom magnification ginseng are obtained according at least to described image
The content of several, described display two field picture, calculate the zoom threshold information of the region of interest ROI.Zoom computational algorithm, can be with
It is the corresponding relation of the condition image processing algorithm and zoom magnification that pre-set hardware camera, so as to obtain ROI zoom
Parameter, can provide the scope of a zoom parameters, and current ROI display can be any one in the zoom parameters scope
Value or an optimal value for carrying out default setting based on experience value.Can be according to statistics using the design of optimal value
The best image parameter obtained in value, user's optimal selection of one acquiescence can be so given, can be direct if user agrees to
Using the parameter, if disagreed, zoom parameters can also be presented in mobile terminal in the form of scroll bar, sliding button etc.
On.
In addition, the zoom threshold information of the region of interest ROI is placed on the display interface of the mobile terminal, allow
User can easily obtain the selection of other zoom parameters, therefore, it is diversified to zoom parameters further meet user
Demand, further increase Consumer's Experience.
In second of implementation of the present invention, the situation of more than one camera is included in described image acquisition equipment
Under, before the zoom parameters for determining the area-of-interest, in addition to：It is emerging according to the display two field picture, the sense
Interesting region, described image obtain equipment and described image Processing Algorithm, determine target camera；It is described to be joined based on the zoom
Number, image is re-started to the area-of-interest and obtains and shows, including：Based on the zoom parameters and target camera,
Image is re-started to the area-of-interest to obtain and show.It is understood that generally can be with existing mobile terminal
Comprising at least one camera, in the case of more than one camera, mobile terminal can also realize the selection of camera
Journey.If two cameras hardware X1, X2, and respectively different aperture (without considering if this is not present), first
Debugged by effect, it may be determined that go out the empirical value of some different zoom scenes, for example X1 cameras are under common photoenvironment
Multiplication factor<Y, image image quality are more preferable.According to the current camera found a view, current display two field picture, original during calculating
The output two field picture and user ROI of beginning, the zoom magnification based on current selection camera is calculated, then according to the value and before
The empirical value of setting, suitable camera is selected, and calculate the zoom magnification based on the camera.Therefore, provided using the present invention
Embodiment can further be bonded the usage scenarios of existing multiple cameras, so as to further improve the quality for obtaining ROI.
In order to realize the image acquisition process described in the embodiment of the present invention, as shown in figure 4, image capture module is respectively at figure
As interactive module, zoom computing module are connected；Described image acquisition module, for calling image acquisition equipment, and according to advance
The Image Processing parameter of setting is acquired to image to be displayed, is obtained and is shown two field picture；Described image interactive module, for showing
Show the display two field picture, and receive user's region of interest ROI based on determined by the display two field picture；The zoom meter
Module is calculated, for determining the zoom parameters of the area-of-interest, and is sent to described image acquisition module, so that described image
Acquisition module re-starts image to the area-of-interest according to the zoom parameters of the area-of-interest and obtained, and sends extremely
Described image interactive module is shown.
Image capture module is the module of collection and image procossing, is responsible for the data of acquisition camera hardware, and according to pre-
If efficacy parameter carry out image effect processing, then give the view data of generation to image interactive module and shown.
Image interactive module is that image is shown and the module of user mutual control, the module receive image capture module transmission
View data, in real-time display to mobile terminal, in the window area that image is shown, circle that user can be manual on window
Go out image ROI interested.After image interactive module captures the ROI of user, ROI and current display image frame are conveyed
Zoom computing module.
Zoom computing module is responsible for the threshold information that image interactive module provides zoom ROI.Receive and interacted from image
After the two field picture and ROI of module, ROI is verified, then utilizes current display frame image information, the ROI of user, camera
Hardware equipment information and image processing algorithm restrictive condition, currently practical image frame information, rational camera hardware is selected (to move
Dynamic terminal can also dispose multiple different cameras), suitable aperture size (if supporting aperture variable), calculate phase
The zoom magnification answered, result is fed back into image capture module, and according to the camera hardware and zoom magnification after adjustment, collection
Data output gives image interactive module.
In a kind of implementation of the present invention, display module, for obtaining image taking instruction, the region of interest is obtained
The image in domain, and preserve the image of the area-of-interest.
Specifically, the zoom computing module, is specifically used for：According at least to described image obtain equipment hardware parameter and
The image processing algorithm of mobile terminal, zoom magnification parameter, the content of the display two field picture, calculate the area-of-interest
ROI zoom threshold information, and feed back to described image acquisition module.
Therefore, using Fig. 4 of the present invention shown in embodiment, by using push to obtain equipment to image to be displayed carry out with
Obtain and show that two field picture is simultaneously shown, for determining ROI based on display two field picture, mobile terminal is it is determined that ROI zoom parameters, so
The zoom parameters are based on afterwards, and image is re-started to the area-of-interest and obtains and shows.Thus, it is possible to automatically determine
ROI zoom parameters, solve in the prior art, it is necessary to carry out the focus adjustment of current display image manually, cause focal length to adjust
Save the problem of inconvenient.Therefore, suitable zoom magnification is calculated automatically and then carries out image procossing and display, then by zoom
Image afterwards is presented to user, reduces the running cost of user, zoom operation is simpler direct, improves Consumer's Experience.
Referring to Fig. 5, Fig. 5 is a kind of embodiment schematic diagram of application image-pickup method of the present invention, including as follows
Step：
S510, mobile terminal camera is called, image to be displayed is adopted according to the Image Processing parameter pre-set
Collection, obtain and show two field picture；
S520, the finger slip instruction of user is received, obtain the image-region of a closing, be defined as ROI；
S530, based on predetermined zoom parameters list, determine the zoom parameters of the ROI；
S540, ROI is shown and preserved again according to determined zoom parameters.
In addition, the embodiment of the present invention also provides Fig. 6, picture corresponding to current ROI is preserved to ask user to be confirmed whether, is strengthened
Understanding and application consciousness of the user to ROI.
Referring to Fig. 7, Fig. 7 is image capture device 700, and applied to mobile terminal, the application image collecting device includes：
Processor 110, memory 109 and communication bus 730；
The communication bus 730 is used to realize the connection communication between processor 110 and memory 109；
The processor 110 is used to perform image acquisition procedure, to realize following steps：
Image acquisition equipment is called, and image to be displayed is acquired according to the Image Processing parameter pre-set, is obtained
Two field picture must be shown；
The display two field picture is shown, and receives user's region of interest ROI based on determined by the display two field picture；
Determine the zoom parameters of the area-of-interest；
Based on the zoom parameters, image is re-started to the area-of-interest and obtains and shows.
Further, the processor 110 is additionally operable to perform image acquisition procedure, to realize following steps：
Image taking instruction is obtained, obtains the image of the area-of-interest, and preserve the image of the area-of-interest.
Further, the processor 110 is additionally operable to perform image acquisition procedure, to realize following steps：To by described in
The zoom threshold information of region of interest ROI is placed on the display interface of the mobile terminal.
Further, the processor 110 is used to perform image acquisition procedure, to realize following steps：
In the case where described image obtains equipment comprising more than one camera, the area-of-interest is determined described
Zoom parameters before, in addition to：
Equipment and described image Processing Algorithm are obtained according to the display two field picture, the area-of-interest, described image,
Determine target camera；
It is described to be based on the zoom parameters, image is re-started to the area-of-interest and obtains and shows, including：
Based on the zoom parameters and target camera, image is re-started to the area-of-interest and obtains and shows.
In image processing field, area-of-interest (ROI) is the image-region selected from image, and this region is
Your graphical analysis emphasis of interest.The region is drawn a circle to approve to be further processed.You, which is drawn a circle to approve, using ROI thinks the mesh of reading
Mark, it is possible to reduce processing time, increase precision.
It should be noted that be provided with image acquisition equipment in mobile terminal in advance, specifically, image acquisition equipment can be with
For camera, the shooting to image can be realized by camera.It will be appreciated by persons skilled in the art that in mobile terminal
Camera need that driver application is installed, therefore, user directly can be realized pair by operation to driver application
The operation of camera.For example, the work(such as the regulation to the opening of camera, closing, switching and tone are realized in application program
Energy.
Exemplary, two cameras are included in mobile terminal, can arbitrarily transfer any one camera as image
Obtain equipment.
It will be appreciated by persons skilled in the art that each camera can correspond to an Image Processing parameter, for example,
Resolution ratio, tone, brightness etc., based on this, it is real that an image acquisition equipment can carry out information gathering to object to be captured
The process now shot, the image of a corresponding object is obtained with after shooting process is realized, as shows two field picture.
Image to be displayed is carried out to obtain display two field picture and show, for based on aobvious by using acquisition equipment is pushed to
Show that two field picture determines ROI, mobile terminal is it is determined that ROI zoom parameters, are then based on the zoom parameters, to described interested
Region re-starts image and obtains and show.Thus, it is possible to automatically determine ROI zoom parameters, solve in the prior art,
Need to carry out the focus adjustment of current display image manually, the problem of causing focus adjustment inconvenience.Therefore, conjunction is calculated automatically
Suitable zoom magnification and then progress image procossing and display, then will become defocused image and are presented to user, reduce the behaviour of user
Make cost, zoom operation is simpler direct, improves Consumer's Experience.
Using graphic display terminal provided in an embodiment of the present invention, image to be displayed is entered by using acquisition equipment is pushed to
Row is to obtain display two field picture and show, for determining ROI based on display two field picture, mobile terminal is it is determined that ROI zoom ginseng
Number, is then based on the zoom parameters, and image is re-started to the area-of-interest and obtains and shows.It is thus, it is possible to automatic
Determination ROI zoom parameters, solve in the prior art, it is necessary to carry out the focus adjustment of current display image manually, cause
The problem of focus adjustment inconvenience.Therefore, suitable zoom magnification is calculated automatically and then carries out image procossing and display, then
The image for becoming defocused is presented to user, reduces the running cost of user, zoom operation is simpler direct, improves user's body
Test.
Further, present invention also offers a kind of computer-readable recording medium, applied to mobile terminal, the calculating
Machine readable storage medium storing program for executing is stored with one or more program, and one or more of programs can be handled by one or more
Device performs, to realize following steps：
Image acquisition equipment is called, and image to be displayed is acquired according to the Image Processing parameter pre-set, is obtained
Two field picture must be shown；
The display two field picture is shown, and receives user's region of interest ROI based on determined by the display two field picture；
Determine the zoom parameters of the area-of-interest；
Based on the zoom parameters, image is re-started to the area-of-interest and obtains and shows.
Further, one or more of programs are also by one or more of computing devices, with realize with
Lower step：
Image taking instruction is obtained, obtains the image of the area-of-interest, and preserve the image of the area-of-interest.
Further, one or more of programs are also by one or more of computing devices, with realize with
Lower step：
The hardware parameter of equipment and the image processing algorithm of mobile terminal, zoom magnification ginseng are obtained according at least to described image
The content of several, described display two field picture, calculate the zoom threshold information of the region of interest ROI.
Further, one or more of programs are also by one or more of computing devices, with realize with
Lower step：
The zoom threshold information of the region of interest ROI is placed on the display interface of the mobile terminal.
Further, one or more of programs are also by one or more of computing devices, with realize with
Lower step：
Equipment and described image Processing Algorithm are obtained according to the display two field picture, the area-of-interest, described image,
Determine target camera；
It is described to be based on the zoom parameters, image is re-started to the area-of-interest and obtains and shows, including：
Based on the zoom parameters and target camera, image is re-started to the area-of-interest and obtains and shows.
Compared to prior art, computer-readable recording medium proposed by the invention, by using push to obtain equipment
Image to be displayed is carried out to obtain display two field picture and show, for determining ROI based on display two field picture, mobile terminal is true
Determine ROI zoom parameters, be then based on the zoom parameters, image is re-started to the area-of-interest and obtains and shows.
Thus, it is possible to automatically determine ROI zoom parameters, solve in the prior art, it is necessary to carry out current display image manually
Focus adjustment, the problem of causing focus adjustment inconvenience.Therefore, suitable zoom magnification is calculated automatically and then is carried out at image
Reason and display, then will become defocused image and are presented to user, reduce the running cost of user, and zoom operation is simpler direct,
Improve Consumer's Experience.
The embodiments of the present invention are for illustration only, do not represent the quality of embodiment.
Through the above description of the embodiments, those skilled in the art can be understood that above-described embodiment side
Method can add the mode of required general hardware platform to realize by software, naturally it is also possible to by hardware, but in many cases
The former is more preferably embodiment.Based on such understanding, technical scheme is substantially done to prior art in other words
Going out the part of contribution can be embodied in the form of software product, and the computer software product is stored in a storage medium
In (such as ROM/RAM, magnetic disc, CD), including some instructions to cause a station terminal equipment (can be mobile phone, computer, clothes
Be engaged in device, air conditioner, or the network equipment, robot etc.) perform method described in each embodiment of the present invention.
The preferred embodiments of the present invention are these are only, are not intended to limit the scope of the invention, it is every to utilize this hair
The equivalent structure or equivalent flow conversion that bright specification and accompanying drawing content are made, or directly or indirectly it is used in other related skills
Art field, is included within the scope of the present invention.
Claims (10)
1. a kind of image-pickup method, it is characterised in that applied to mobile terminal, methods described includes：
Image acquisition equipment is called, and image to be displayed is acquired according to the Image Processing parameter pre-set, is shown
Show two field picture；
The display two field picture is shown, and receives user's region of interest ROI based on determined by the display two field picture；
Determine the zoom parameters of the area-of-interest；
Based on the zoom parameters, image is re-started to the area-of-interest and obtains and shows.
2. image-pickup method according to claim 1, it is characterised in that methods described also includes：
Image taking instruction is obtained, obtains the image of the area-of-interest, and preserve the image of the area-of-interest.
3. image-pickup method according to claim 1, it is characterised in that the zoom for determining the area-of-interest
The step of parameter, including：
According at least to described image obtain equipment hardware parameter and the image processing algorithm of mobile terminal, zoom magnification parameter,
The content of the display two field picture, calculate the zoom threshold information of the region of interest ROI.
4. image-pickup method according to claim 3, it is characterised in that also include：
The zoom threshold information of the region of interest ROI is placed on the display interface of the mobile terminal.
5. image-pickup method according to claim 1, it is characterised in that obtain equipment in described image and include more than one
In the case of individual camera, before the zoom parameters for determining the area-of-interest, in addition to：
Equipment and described image Processing Algorithm are obtained according to the display two field picture, the area-of-interest, described image, it is determined that
Target camera；
It is described to be based on the zoom parameters, image is re-started to the area-of-interest and obtains and shows, including：
Based on the zoom parameters and target camera, image is re-started to the area-of-interest and obtains and shows.
6. a kind of image capturing system, it is characterised in that applied to mobile terminal, the system includes：Image capture module point
It is not connected in image interactive module, zoom computing module；
Described image acquisition module, for calling image acquisition equipment, and treated according to the Image Processing parameter pre-set aobvious
Diagram picture is acquired, and is obtained and is shown two field picture；
Described image interactive module, for showing the display two field picture, and receive user and be based on the display two field picture institute really
Fixed region of interest ROI；
The zoom computing module, for determining the zoom parameters of the area-of-interest, and send to described image and gather mould
Block, so that described image acquisition module re-starts figure according to the zoom parameters of the area-of-interest to the area-of-interest
As obtaining, and send to described image interactive module and shown.
7. image capturing system according to claim 6, it is characterised in that also include：
Display module, for obtaining image taking instruction, the image of the area-of-interest is obtained, and preserve the region of interest
The image in domain.
8. image capturing system according to claim 6, it is characterised in that the zoom computing module, be specifically used for：
According at least to described image obtain equipment hardware parameter and the image processing algorithm of mobile terminal, zoom magnification parameter,
The content of the display two field picture, calculates the zoom threshold information of the region of interest ROI, and feeds back to described image collection
Module.
9. a kind of image capture device, it is characterised in that applied to mobile terminal, described image collecting device includes：Memory,
Processor and communication bus；
The communication bus is used to realize the connection communication between processor and memory；
Described image capture program, to realize following steps：
Image acquisition equipment is called, and image to be displayed is acquired according to the Image Processing parameter pre-set, is shown
Show two field picture；
The display two field picture is shown, and receives user's region of interest ROI based on determined by the display two field picture；
Determine the zoom parameters of the area-of-interest；
Based on the zoom parameters, image is re-started to the area-of-interest and obtains and shows.
A kind of 10. computer-readable recording medium, applied to mobile terminal, it is characterised in that the computer-readable storage medium
Matter is stored with one or more program, one or more of programs can by one or more computing device so that
The step of image-pickup method of one or more of computing devices as described in claim any one of 1-5.
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| CN114095629A (en) * | 2021-10-20 | 2022-02-25 | 浪潮金融信息技术有限公司 | Camera operation system, method and medium for linux terminal |
| CN114095629B (en) * | 2021-10-20 | 2023-10-31 | 浪潮金融信息技术有限公司 | Camera operation system, method and medium for linux terminal |
| CN116055607A (en) * | 2022-08-16 | 2023-05-02 | 荣耀终端有限公司 | Zoom smoothness evaluation method and device and electronic equipment |
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Application publication date: 20180410 |